skypiax: nothin to see here

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@16618 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/endpoints/mod_skypiax/072_low_latency/Makefile

@@ -0,0 +1,610 @@
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+# src/mod/endpoints/mod_skypiax/Makefile.  Generated from Makefile.in by configure.
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005  Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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+
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+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \
+		&& exit 0; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu  src/mod/endpoints/mod_skypiax/Makefile'; \
+	cd $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu  src/mod/endpoints/mod_skypiax/Makefile
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+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
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+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
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+	test -z "$(moddir)" || $(mkdir_p) "$(DESTDIR)$(moddir)"
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+	    f=$(am__strip_dir) \
+	    echo " $(LIBTOOL) --mode=install $(modLTLIBRARIES_INSTALL) $(INSTALL_STRIP_FLAG) '$$p' '$(DESTDIR)$(moddir)/$$f'"; \
+	    $(LIBTOOL) --mode=install $(modLTLIBRARIES_INSTALL) $(INSTALL_STRIP_FLAG) "$$p" "$(DESTDIR)$(moddir)/$$f"; \
+	  else :; fi; \
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+	@set -x; list='$(mod_LTLIBRARIES)'; for p in $$list; do \
+	  p=$(am__strip_dir) \
+	  echo " $(LIBTOOL) --mode=uninstall rm -f '$(DESTDIR)$(moddir)/$$p'"; \
+	  $(LIBTOOL) --mode=uninstall rm -f "$(DESTDIR)$(moddir)/$$p"; \
+	done
+
+clean-modLTLIBRARIES:
+	-test -z "$(mod_LTLIBRARIES)" || rm -f $(mod_LTLIBRARIES)
+	@list='$(mod_LTLIBRARIES)'; for p in $$list; do \
+	  dir="`echo $$p | sed -e 's|/[^/]*$$||'`"; \
+	  test "$$dir" != "$$p" || dir=.; \
+	  echo "rm -f \"$${dir}/so_locations\""; \
+	  rm -f "$${dir}/so_locations"; \
+	done
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+	$(LINK) -rpath $(moddir) $(mod_skypiax_la_LDFLAGS) $(mod_skypiax_la_OBJECTS) $(mod_skypiax_la_LIBADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
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+distclean-compile:
+	-rm -f *.tab.c
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+include ./$(DEPDIR)/mod_skypiax_la-mod_skypiax.Plo
+include ./$(DEPDIR)/mod_skypiax_la-skypiax_protocol.Plo
+
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+	if $(COMPILE) -MT $@ -MD -MP -MF "$(DEPDIR)/$*.Tpo" -c -o $@ $<; \
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+#	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) \
+#	$(COMPILE) -c $<
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+	if $(COMPILE) -MT $@ -MD -MP -MF "$(DEPDIR)/$*.Tpo" -c -o $@ `$(CYGPATH_W) '$<'`; \
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+	if $(LTCOMPILE) -MT $@ -MD -MP -MF "$(DEPDIR)/$*.Tpo" -c -o $@ $<; \
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+#	$(LTCOMPILE) -c -o $@ $<
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+mod_skypiax_la-mod_skypiax.lo: mod_skypiax.c
+	if $(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(mod_skypiax_la_CFLAGS) $(CFLAGS) -MT mod_skypiax_la-mod_skypiax.lo -MD -MP -MF "$(DEPDIR)/mod_skypiax_la-mod_skypiax.Tpo" -c -o mod_skypiax_la-mod_skypiax.lo `test -f 'mod_skypiax.c' || echo '$(srcdir)/'`mod_skypiax.c; \
+	then mv -f "$(DEPDIR)/mod_skypiax_la-mod_skypiax.Tpo" "$(DEPDIR)/mod_skypiax_la-mod_skypiax.Plo"; else rm -f "$(DEPDIR)/mod_skypiax_la-mod_skypiax.Tpo"; exit 1; fi
+#	source='mod_skypiax.c' object='mod_skypiax_la-mod_skypiax.lo' libtool=yes \
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+
+mod_skypiax_la-skypiax_protocol.lo: skypiax_protocol.c
+	if $(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(mod_skypiax_la_CFLAGS) $(CFLAGS) -MT mod_skypiax_la-skypiax_protocol.lo -MD -MP -MF "$(DEPDIR)/mod_skypiax_la-skypiax_protocol.Tpo" -c -o mod_skypiax_la-skypiax_protocol.lo `test -f 'skypiax_protocol.c' || echo '$(srcdir)/'`skypiax_protocol.c; \
+	then mv -f "$(DEPDIR)/mod_skypiax_la-skypiax_protocol.Tpo" "$(DEPDIR)/mod_skypiax_la-skypiax_protocol.Plo"; else rm -f "$(DEPDIR)/mod_skypiax_la-skypiax_protocol.Tpo"; exit 1; fi
+#	source='skypiax_protocol.c' object='mod_skypiax_la-skypiax_protocol.lo' libtool=yes \
+#	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) \
+#	$(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(mod_skypiax_la_CFLAGS) $(CFLAGS) -c -o mod_skypiax_la-skypiax_protocol.lo `test -f 'skypiax_protocol.c' || echo '$(srcdir)/'`skypiax_protocol.c
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+distclean-libtool:
+	-rm -f libtool
+uninstall-info-am:
+
+ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
+	list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '    { files[$$0] = 1; } \
+	       END { for (i in files) print i; }'`; \
+	mkid -fID $$unique
+tags: TAGS
+
+TAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
+		$(TAGS_FILES) $(LISP)
+	tags=; \
+	here=`pwd`; \
+	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '    { files[$$0] = 1; } \
+	       END { for (i in files) print i; }'`; \
+	if test -z "$(ETAGS_ARGS)$$tags$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	    $$tags $$unique; \
+	fi
+ctags: CTAGS
+CTAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
+		$(TAGS_FILES) $(LISP)
+	tags=; \
+	here=`pwd`; \
+	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '    { files[$$0] = 1; } \
+	       END { for (i in files) print i; }'`; \
+	test -z "$(CTAGS_ARGS)$$tags$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$tags $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && cd $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) $$here
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+	$(mkdir_p) $(distdir)/../../../../build
+	@srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's|.|.|g'`; \
+	list='$(DISTFILES)'; for file in $$list; do \
+	  case $$file in \
+	    $(srcdir)/*) file=`echo "$$file" | sed "s|^$$srcdirstrip/||"`;; \
+	    $(top_srcdir)/*) file=`echo "$$file" | sed "s|^$$topsrcdirstrip/|$(top_builddir)/|"`;; \
+	  esac; \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  dir=`echo "$$file" | sed -e 's,/[^/]*$$,,'`; \
+	  if test "$$dir" != "$$file" && test "$$dir" != "."; then \
+	    dir="/$$dir"; \
+	    $(mkdir_p) "$(distdir)$$dir"; \
+	  else \
+	    dir=''; \
+	  fi; \
+	  if test -d $$d/$$file; then \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -pR $(srcdir)/$$file $(distdir)$$dir || exit 1; \
+	    fi; \
+	    cp -pR $$d/$$file $(distdir)$$dir || exit 1; \
+	  else \
+	    test -f $(distdir)/$$file \
+	    || cp -p $$d/$$file $(distdir)/$$file \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(LTLIBRARIES)
+installdirs:
+	for dir in "$(DESTDIR)$(moddir)"; do \
+	  test -z "$$dir" || $(mkdir_p) "$$dir"; \
+	done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-modLTLIBRARIES \
+	mostlyclean-am
+
+distclean: distclean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-libtool distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+info: info-am
+
+info-am:
+
+install-data-am: install-modLTLIBRARIES
+
+install-exec-am:
+
+install-info: install-info-am
+
+install-man:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-info-am uninstall-modLTLIBRARIES
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
+	clean-libtool clean-modLTLIBRARIES ctags distclean \
+	distclean-compile distclean-generic distclean-libtool \
+	distclean-tags distdir dvi dvi-am html html-am info info-am \
+	install install-am install-data install-data-am install-exec \
+	install-exec-am install-info install-info-am install-man \
+	install-modLTLIBRARIES install-strip installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags uninstall uninstall-am uninstall-info-am \
+	uninstall-modLTLIBRARIES
+
+
+all-modules: all
+depend-modules: depend
+clean-modules: clean
+install-modules: install
+uninstall-modules: uninstall
+distclean-modules: distclean
+extraclean-modules: extraclean
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:

src/mod/endpoints/mod_skypiax/072_low_latency/dummy.c

@@ -0,0 +1,964 @@
+/*
+ *  Dummy soundcard
+ *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ *
+ */
+
+#include <sound/driver.h>		//giova
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/jiffies.h>
+#include <linux/slab.h>
+#include <linux/time.h>
+#include <linux/wait.h>
+#include <linux/moduleparam.h>
+#include <sound/core.h>
+#include <sound/control.h>
+#include <sound/tlv.h>
+#include <sound/pcm.h>
+#include <sound/rawmidi.h>
+#include <sound/initval.h>
+
+
+MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
+MODULE_DESCRIPTION("Dummy soundcard (/dev/null)");
+MODULE_LICENSE("GPL");
+MODULE_SUPPORTED_DEVICE("{{ALSA,Dummy soundcard}}");
+
+#define GIOVAMULTI		1
+#define MAX_PCM_DEVICES		4
+#define MAX_PCM_SUBSTREAMS	128
+#define MAX_MIDI_DEVICES	2
+
+#if 0							/* emu10k1 emulation */
+#define MAX_BUFFER_SIZE		(128 * 1024)
+static int emu10k1_playback_constraints(struct snd_pcm_runtime *runtime)
+{
+	int err;
+	err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
+	if (err < 0)
+		return err;
+	err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX);
+	if (err < 0)
+		return err;
+	return 0;
+}
+
+#define add_playback_constraints emu10k1_playback_constraints
+#endif
+
+#if 0							/* RME9652 emulation */
+#define MAX_BUFFER_SIZE		(26 * 64 * 1024)
+#define USE_FORMATS		SNDRV_PCM_FMTBIT_S32_LE
+#define USE_CHANNELS_MIN	26
+#define USE_CHANNELS_MAX	26
+#define USE_PERIODS_MIN		2
+#define USE_PERIODS_MAX		2
+#endif
+
+#if 0							/* ICE1712 emulation */
+#define MAX_BUFFER_SIZE		(256 * 1024)
+#define USE_FORMATS		SNDRV_PCM_FMTBIT_S32_LE
+#define USE_CHANNELS_MIN	10
+#define USE_CHANNELS_MAX	10
+#define USE_PERIODS_MIN		1
+#define USE_PERIODS_MAX		1024
+#endif
+
+#if 0							/* UDA1341 emulation */
+#define MAX_BUFFER_SIZE		(16380)
+#define USE_FORMATS		SNDRV_PCM_FMTBIT_S16_LE
+#define USE_CHANNELS_MIN	2
+#define USE_CHANNELS_MAX	2
+#define USE_PERIODS_MIN		2
+#define USE_PERIODS_MAX		255
+#endif
+
+#if 0							/* simple AC97 bridge (intel8x0) with 48kHz AC97 only codec */
+#define USE_FORMATS		SNDRV_PCM_FMTBIT_S16_LE
+#define USE_CHANNELS_MIN	2
+#define USE_CHANNELS_MAX	2
+#define USE_RATE		SNDRV_PCM_RATE_48000
+#define USE_RATE_MIN		48000
+#define USE_RATE_MAX		48000
+#endif
+
+#if 0							/* CA0106 */
+#define USE_FORMATS		SNDRV_PCM_FMTBIT_S16_LE
+#define USE_CHANNELS_MIN	2
+#define USE_CHANNELS_MAX	2
+#define USE_RATE		(SNDRV_PCM_RATE_48000|SNDRV_PCM_RATE_96000|SNDRV_PCM_RATE_192000)
+#define USE_RATE_MIN		48000
+#define USE_RATE_MAX		192000
+#define MAX_BUFFER_SIZE		((65536-64)*8)
+#define MAX_PERIOD_SIZE		(65536-64)
+#define USE_PERIODS_MIN		2
+#define USE_PERIODS_MAX		8
+#endif
+
+
+/* defaults */
+#ifndef MAX_BUFFER_SIZE
+//#define MAX_BUFFER_SIZE		(64*1024)
+#define MAX_BUFFER_SIZE		(256*1024)
+#endif
+#ifndef MAX_PERIOD_SIZE
+#define MAX_PERIOD_SIZE		MAX_BUFFER_SIZE
+#endif
+#ifndef USE_FORMATS
+//#define USE_FORMATS 		(SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE)
+#define USE_FORMATS 		SNDRV_PCM_FMTBIT_S16_LE
+#endif
+#ifndef USE_RATE
+//#define USE_RATE		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000
+#define USE_RATE		SNDRV_PCM_RATE_8000
+//#define USE_RATE_MIN		5500
+#define USE_RATE_MIN		8000
+//#define USE_RATE_MAX		48000
+#define USE_RATE_MAX		8000
+#endif
+#ifndef USE_CHANNELS_MIN
+#define USE_CHANNELS_MIN 	1
+#endif
+#ifndef USE_CHANNELS_MAX
+#define USE_CHANNELS_MAX 	2
+#endif
+#ifndef USE_PERIODS_MIN
+#define USE_PERIODS_MIN 	1
+#endif
+#ifndef USE_PERIODS_MAX
+#define USE_PERIODS_MAX 	1024
+#endif
+#ifndef add_playback_constraints
+#define add_playback_constraints(x) 0
+#endif
+#ifndef add_capture_constraints
+#define add_capture_constraints(x) 0
+#endif
+
+static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
+static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
+static int enable[SNDRV_CARDS] = { 1,[1 ... (SNDRV_CARDS - 1)] = 0 };
+static int pcm_devs[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1 };
+static int pcm_substreams[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 128 };
+
+//static int midi_devs[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
+
+module_param_array(index, int, NULL, 0444);
+MODULE_PARM_DESC(index, "Index value for dummy soundcard.");
+module_param_array(id, charp, NULL, 0444);
+MODULE_PARM_DESC(id, "ID string for dummy soundcard.");
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(enable, "Enable this dummy soundcard.");
+module_param_array(pcm_devs, int, NULL, 0444);
+MODULE_PARM_DESC(pcm_devs, "PCM devices # (0-4) for dummy driver.");
+module_param_array(pcm_substreams, int, NULL, 0444);
+MODULE_PARM_DESC(pcm_substreams, "PCM substreams # (1-64) for dummy driver.");
+//module_param_array(midi_devs, int, NULL, 0444);
+//MODULE_PARM_DESC(midi_devs, "MIDI devices # (0-2) for dummy driver.");
+
+static struct platform_device *devices[SNDRV_CARDS];
+static struct timer_list giovatimer;	//giova
+static int giovastarted = 0;
+static int giovaindex = 0;
+static spinlock_t giovalock;
+struct giovadpcm {
+	struct snd_pcm_substream *substream;
+	struct snd_dummy_pcm *dpcm;
+	int started;
+};
+static struct giovadpcm giovadpcms[MAX_PCM_SUBSTREAMS];
+
+#define MIXER_ADDR_MASTER	0
+#define MIXER_ADDR_LINE		1
+#define MIXER_ADDR_MIC		2
+#define MIXER_ADDR_SYNTH	3
+#define MIXER_ADDR_CD		4
+#define MIXER_ADDR_LAST		4
+
+static void snd_card_dummy_pcm_timer_function(unsigned long data);
+struct snd_dummy {
+	struct snd_card *card;
+	struct snd_pcm *pcm;
+	spinlock_t mixer_lock;
+	int mixer_volume[MIXER_ADDR_LAST + 1][2];
+	int capture_source[MIXER_ADDR_LAST + 1][2];
+};
+
+struct snd_dummy_pcm {
+	struct snd_dummy *dummy;
+	spinlock_t lock;
+	struct timer_list timer;
+	unsigned int pcm_buffer_size;
+	unsigned int pcm_period_size;
+	unsigned int pcm_bps;		/* bytes per second */
+	unsigned int pcm_hz;		/* HZ */
+	unsigned int pcm_irq_pos;	/* IRQ position */
+	unsigned int pcm_buf_pos;	/* position in buffer */
+	struct snd_pcm_substream *substream;
+};
+
+
+static inline void snd_card_dummy_pcm_timer_start(struct snd_dummy_pcm *dpcm)
+{
+	int i;
+	int found = 0;
+
+
+//printk("giova: 1 timer_start %d %p\n", __LINE__, dpcm);
+	for (i = 0; i < giovaindex + 1; i++) {
+		if (i > MAX_PCM_SUBSTREAMS || giovaindex > MAX_PCM_SUBSTREAMS) {
+			printk("giova, %s:%d, i=%d, giovaindex=%d dpcm=%p\n", __FILE__, __LINE__, i, giovaindex, dpcm);
+		}
+
+		if (giovadpcms[i].dpcm == dpcm) {
+			giovadpcms[i].started = 1;
+			found = 1;
+		}
+	}
+	if (!found) {
+		printk("skypiax: start, NOT found?\n");
+	}
+
+//printk("giova: 2 timer_start %d %p\n", __LINE__, dpcm);
+}
+
+static inline void snd_card_dummy_pcm_timer_stop(struct snd_dummy_pcm *dpcm)
+{
+	//del_timer(&dpcm->timer);
+	int i;
+	int found = 0;
+
+//printk("giova: 1 timer_stop %d %p\n", __LINE__, dpcm);
+	for (i = 0; i < giovaindex + 1; i++) {
+
+		if (i > MAX_PCM_SUBSTREAMS || giovaindex > MAX_PCM_SUBSTREAMS) {
+			printk("giova, %s:%d, i=%d, giovaindex=%d dpcm=%p\n", __FILE__, __LINE__, i, giovaindex, dpcm);
+		}
+		if (giovadpcms[i].dpcm == dpcm) {
+			giovadpcms[i].started = 0;
+			found = 1;
+		}
+	}
+	if (!found) {
+		//printk("skypiax: stop, NOT found?\n");
+	} else {
+		//printk("skypiax: stop, YES found!\n"); 
+	}
+
+
+
+//printk("giova: 2 timer_stop %d %p\n", __LINE__, dpcm);
+}
+
+static int snd_card_dummy_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_dummy_pcm *dpcm = runtime->private_data;
+	int err = 0;
+
+	//spin_lock(&dpcm->lock, flags);
+	spin_lock_bh(&giovalock);
+	switch (cmd) {
+	case SNDRV_PCM_TRIGGER_START:
+	case SNDRV_PCM_TRIGGER_RESUME:
+//printk("giova: trigger timer_start %d %p\n", __LINE__, dpcm);
+		snd_card_dummy_pcm_timer_start(dpcm);
+		break;
+	case SNDRV_PCM_TRIGGER_STOP:
+	case SNDRV_PCM_TRIGGER_SUSPEND:
+//printk("giova: trigger timer_stop %d %p\n", __LINE__, dpcm);
+		snd_card_dummy_pcm_timer_stop(dpcm);
+		break;
+	default:
+		err = -EINVAL;
+		break;
+	}
+	//spin_unlock(&dpcm->lock, flags);
+	spin_unlock_bh(&giovalock);
+	return 0;
+}
+
+static int snd_card_dummy_pcm_prepare(struct snd_pcm_substream *substream)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_dummy_pcm *dpcm = runtime->private_data;
+	int bps;
+
+	bps = snd_pcm_format_width(runtime->format) * runtime->rate * runtime->channels / 8;
+
+	if (bps <= 0)
+		return -EINVAL;
+
+	dpcm->pcm_bps = bps;
+	dpcm->pcm_hz = HZ;
+	dpcm->pcm_buffer_size = snd_pcm_lib_buffer_bytes(substream);
+	dpcm->pcm_period_size = snd_pcm_lib_period_bytes(substream);
+	dpcm->pcm_irq_pos = 0;
+	dpcm->pcm_buf_pos = 0;
+	snd_pcm_format_set_silence(runtime->format, runtime->dma_area, bytes_to_samples(runtime, runtime->dma_bytes));
+
+//printk("giova: prepare %d %p\n", __LINE__, dpcm);
+	return 0;
+}
+
+static void snd_card_dummy_pcm_timer_function(unsigned long data)
+{
+	//struct snd_dummy_pcm *dpcm = (struct snd_dummy_pcm *)data;
+	struct snd_dummy_pcm *dpcm = NULL;
+	//unsigned long flags;
+	int i;
+
+
+	giovatimer.expires = (HZ/100 * (GIOVAMULTI)) + jiffies;
+	add_timer(&giovatimer);
+
+	for (i = 0; i < giovaindex + 1; i++) {
+
+		if (i > MAX_PCM_SUBSTREAMS || giovaindex > MAX_PCM_SUBSTREAMS) {
+			printk("giova, %s:%d, i=%d, giovaindex=%d dpcm=%p\n", __FILE__, __LINE__, i, giovaindex, dpcm);
+		}
+//printk("giova: timer_func %d i=%d\n", __LINE__, i);
+
+		if (giovadpcms[i].started != 1)
+			continue;
+		dpcm = giovadpcms[i].dpcm;
+		if (dpcm == NULL) {
+			printk("giova: timer_func %d %d NULL: continue\n", __LINE__, i);
+			continue;
+		}
+		//spin_lock_bh(&dpcm->lock);
+		//if (in_irq())
+			//printk("giova: timer_func %d %d we are in HARDWARE IRQ\n", __LINE__, i);
+		//if(in_softirq())
+		//printk("giova: timer_func %d %d we are in SOFT IRQ\n", __LINE__, i);
+//printk("giova: timer_func %d %d\n", __LINE__, i);
+		//spin_lock_irqsave(&dpcm->lock, flags);
+		//LOCK spin_lock_bh(&dpcm->lock);
+//CICOPET printk("%d %s, dpcm=%p, dpcm->pcm_irq_pos=%u\t\t dpcm->pcm_bps=%u\t\t dpcm->pcm_buf_pos=%u\n", __LINE__, __FILE__, dpcm, dpcm->pcm_irq_pos, dpcm->pcm_bps,  dpcm->pcm_buf_pos);
+		//dpcm->pcm_irq_pos += dpcm->pcm_bps * ((HZ / 100) * GIOVAMULTI);
+		//dpcm->pcm_irq_pos += (dpcm->pcm_bps * ((HZ / 100) * GIOVAMULTI));
+		dpcm->pcm_irq_pos += (dpcm->pcm_bps * ( (HZ / 100) * GIOVAMULTI));
+//CICOPET printk("%d %s, dpcm=%p, dpcm->pcm_irq_pos=%u\t\t dpcm->pcm_bps=%u\t\t dpcm->pcm_buf_pos=%u\n", __LINE__, __FILE__, dpcm, dpcm->pcm_irq_pos, dpcm->pcm_bps,  dpcm->pcm_buf_pos);
+		//dpcm->pcm_buf_pos += (dpcm->pcm_bps * ((HZ / 100) * GIOVAMULTI));
+		dpcm->pcm_buf_pos += (dpcm->pcm_bps * ( (HZ / 100) * GIOVAMULTI));
+//CICOPET printk("%d %s, dpcm=%p, dpcm->pcm_irq_pos=%u\t\t dpcm->pcm_bps=%u\t\t dpcm->pcm_buf_pos=%u\n", __LINE__, __FILE__, dpcm, dpcm->pcm_irq_pos, dpcm->pcm_bps,  dpcm->pcm_buf_pos);
+		//dpcm->pcm_buf_pos %= (dpcm->pcm_buffer_size * dpcm->pcm_hz * GIOVAMULTI);
+		dpcm->pcm_buf_pos %= (dpcm->pcm_buffer_size * dpcm->pcm_hz );
+//BUONI printk("%d %s, dpcm=%p, dpcm->pcm_irq_pos=%u\t\t dpcm->pcm_bps=%u\t\t dpcm->pcm_buf_pos=%u (dpcm->pcm_period_size * dpcm->pcm_hz)=%u\n", __LINE__, __FILE__, dpcm, dpcm->pcm_irq_pos, dpcm->pcm_bps,  dpcm->pcm_buf_pos, (dpcm->pcm_period_size * dpcm->pcm_hz));
+		if (dpcm->pcm_irq_pos >= (dpcm->pcm_period_size * dpcm->pcm_hz)) {
+//CICOPET printk("%d %s, dpcm=%p, dpcm->pcm_irq_pos=%u\t\t dpcm->pcm_bps=%u\t\t dpcm->pcm_buf_pos=%u\n", __LINE__, __FILE__, dpcm, dpcm->pcm_irq_pos, dpcm->pcm_bps,  dpcm->pcm_buf_pos);
+			dpcm->pcm_irq_pos %= (dpcm->pcm_period_size * dpcm->pcm_hz);
+//BUONI printk("%d %s, dpcm=%p, dpcm->pcm_irq_pos=%u\t\t dpcm->pcm_bps=%u\t\t dpcm->pcm_buf_pos=%u PASSATO!\n", __LINE__, __FILE__, dpcm, dpcm->pcm_irq_pos, dpcm->pcm_bps,  dpcm->pcm_buf_pos);
+			//spin_unlock_irqrestore(&dpcm->lock, flags);
+			//spin_unlock_bh(&dpcm->lock);
+			snd_pcm_period_elapsed(dpcm->substream);
+		} else {
+			//spin_unlock_irqrestore(&dpcm->lock, flags);
+			//spin_unlock_bh(&dpcm->lock);
+		}
+	}
+}
+
+static snd_pcm_uframes_t snd_card_dummy_pcm_pointer(struct snd_pcm_substream *substream)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_dummy_pcm *dpcm = runtime->private_data;
+
+snd_pcm_uframes_t ciapa=0;
+
+		//spin_lock_bh(&dpcm->lock);
+//ciapa = (dpcm->pcm_buf_pos / dpcm->pcm_hz) / (dpcm->pcm_bps/8000);
+//ciapa = bytes_to_frames(runtime, (dpcm->pcm_buf_pos / (dpcm->pcm_hz ))) / GIOVAMULTI;
+//printk("%d %s, dpcm=%p, dpcm->pcm_irq_pos=%u\t\t dpcm->pcm_bps=%u\t\t dpcm->pcm_buf_pos=%u, ciapa=%u\n", __LINE__, __FILE__, dpcm, dpcm->pcm_irq_pos, dpcm->pcm_bps,  dpcm->pcm_buf_pos, ciapa);
+ciapa = bytes_to_frames(runtime, (dpcm->pcm_buf_pos / (dpcm->pcm_hz )));
+
+		//spin_unlock_bh(&dpcm->lock);
+//printk("%d %s, dpcm=%p, dpcm->pcm_irq_pos=%u\t\t dpcm->pcm_bps=%u\t\t dpcm->pcm_buf_pos=%u, ciapa=%u\n", __LINE__, __FILE__, dpcm, dpcm->pcm_irq_pos, dpcm->pcm_bps,  dpcm->pcm_buf_pos, (unsigned int)ciapa);
+return ciapa;
+	//return bytes_to_frames(runtime, (dpcm->pcm_buf_pos / (dpcm->pcm_hz )) / GIOVAMULTI);
+	//return (dpcm->pcm_buf_pos / dpcm->pcm_hz) / (dpcm->pcm_bps/8000);
+}
+
+static struct snd_pcm_hardware snd_card_dummy_playback = {
+	.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID),
+	.formats = USE_FORMATS,
+	.rates = USE_RATE,
+	.rate_min = USE_RATE_MIN,
+	.rate_max = USE_RATE_MAX,
+	.channels_min = USE_CHANNELS_MIN,
+	.channels_max = USE_CHANNELS_MAX,
+	.buffer_bytes_max = MAX_BUFFER_SIZE,
+	.period_bytes_min = 64,
+	.period_bytes_max = MAX_PERIOD_SIZE,
+	.periods_min = USE_PERIODS_MIN,
+	.periods_max = USE_PERIODS_MAX,
+	.fifo_size = 0,
+};
+
+static struct snd_pcm_hardware snd_card_dummy_capture = {
+	.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID),
+	.formats = USE_FORMATS,
+	.rates = USE_RATE,
+	.rate_min = USE_RATE_MIN,
+	.rate_max = USE_RATE_MAX,
+	.channels_min = USE_CHANNELS_MIN,
+	.channels_max = USE_CHANNELS_MAX,
+	.buffer_bytes_max = MAX_BUFFER_SIZE,
+	.period_bytes_min = 64,
+	.period_bytes_max = MAX_PERIOD_SIZE,
+	.periods_min = USE_PERIODS_MIN,
+	.periods_max = USE_PERIODS_MAX,
+	.fifo_size = 0,
+};
+
+static void snd_card_dummy_runtime_free(struct snd_pcm_runtime *runtime)
+{
+	int i;
+//int found=0;
+
+//printk("snd_card_dummy_runtime_free giova 1 giovaindex=%d dpcm=%p runtime=%p\n", giovaindex, runtime->private_data, runtime);
+	spin_lock_bh(&giovalock);
+
+	for (i = 0; i < giovaindex; i++) {
+
+		if (i > MAX_PCM_SUBSTREAMS || giovaindex > MAX_PCM_SUBSTREAMS) {
+			printk("giova, %s:%d, i=%d, giovaindex=%d \n", __FILE__, __LINE__, i, giovaindex);
+		}
+		//if((giovadpcms[i].substream == substream)  && (giovadpcms[i].dpcm == dpcm)){
+		if ((giovadpcms[i].dpcm == runtime->private_data)) {
+			//printk("giova, %s:%d, i=%d, giovaindex=%d %p==%p YES I AM!!!!\n", __FILE__, __LINE__, i, giovaindex, giovadpcms[i].dpcm , runtime->private_data);
+			//giovadpcms[i].dpcm = NULL;
+			//giovadpcms[i].substream = NULL;
+			giovadpcms[i].started = 0;
+			//break;
+		} else {
+			//printk("giova, %s:%d, i=%d, giovaindex=%d %p!=%p NOT ME\n", __FILE__, __LINE__, i, giovaindex, giovadpcms[i].dpcm , runtime->private_data);
+		}
+	}
+
+	spin_unlock_bh(&giovalock);
+	kfree(runtime->private_data);
+}
+
+static int snd_card_dummy_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params)
+{
+	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
+}
+
+static int snd_card_dummy_hw_free(struct snd_pcm_substream *substream)
+{
+	return snd_pcm_lib_free_pages(substream);
+}
+
+static struct snd_dummy_pcm *new_pcm_stream(struct snd_pcm_substream *substream)
+{
+	struct snd_dummy_pcm *dpcm;
+	int i;
+	int found = 0;
+
+	//printk("giova, %s:%d, i=%d, giovaindex=%d %p==%p YES I AM!!!!\n", __FILE__, __LINE__, i, giovaindex, giovadpcms[i].dpcm , runtime->private_data);
+	//printk("giova, %s:%d, giovaindex=%d\n", __FILE__, __LINE__, giovaindex);
+	dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL);
+	//printk("giova, %s:%d, giovaindex=%d\n", __FILE__, __LINE__, giovaindex);
+	if (!dpcm) {
+		//spin_unlock_bh(&giovalock);
+		printk("giova, %s:%d, giovaindex=%d NO MEMORY!!!!\n", __FILE__, __LINE__, giovaindex);
+		return dpcm;
+	}
+	//printk("giova, %s:%d, giovaindex=%d dpcm=%p\n", __FILE__, __LINE__, giovaindex, dpcm);
+	init_timer(&dpcm->timer);
+	//dpcm->timer.data = (unsigned long) dpcm;
+	//dpcm->timer.function = snd_card_dummy_pcm_timer_function;
+	spin_lock_init(&dpcm->lock);
+	dpcm->substream = substream;
+
+	spin_lock_bh(&giovalock);
+	//printk("giova 1 giovaindex=%d dpcm=%p substream=%p sizeof=%lu\n", giovaindex, dpcm, substream, sizeof(*dpcm));
+	for (i = 0; i < giovaindex; i++) {
+
+		if (i > MAX_PCM_SUBSTREAMS || giovaindex > MAX_PCM_SUBSTREAMS) {
+			printk("giova, %s:%d, i=%d, giovaindex=%d dpcm=%p\n", __FILE__, __LINE__, i, giovaindex, dpcm);
+		}
+		//if((giovadpcms[i].substream == substream)  && (giovadpcms[i].dpcm == dpcm))
+		if ((giovadpcms[i].substream == substream)) {
+			found = 1;
+			break;
+		}
+
+	}
+
+	if (!found) {
+
+		giovadpcms[giovaindex].substream = substream;
+		giovaindex++;
+		//printk("giova 2 giovaindex=%d dpcm=%p substream=%p\n", giovaindex, dpcm, substream);
+	}
+
+
+
+	found = 0;
+	for (i = 0; i < giovaindex; i++) {
+
+		if (i > MAX_PCM_SUBSTREAMS || giovaindex > MAX_PCM_SUBSTREAMS) {
+			printk("giova, %s:%d, i=%d, giovaindex=%d dpcm=%p\n", __FILE__, __LINE__, i, giovaindex, dpcm);
+		}
+		if (giovadpcms[i].substream == substream) {
+			giovadpcms[i].dpcm = dpcm;
+			giovadpcms[i].started = 0;
+			found = 1;
+			//printk("giova 3 giovaindex=%d dpcm=%p substream=%p\n", giovaindex, dpcm, substream);
+			break;
+		}
+
+	}
+
+	spin_unlock_bh(&giovalock);
+	if (!found) {
+		printk("skypiax giovaindex=%d NOT found????\n", giovaindex);
+	}
+	//printk("giova, %s:%d, giovaindex=%d\n", __FILE__, __LINE__, giovaindex);
+	return dpcm;
+}
+
+static int snd_card_dummy_playback_open(struct snd_pcm_substream *substream)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_dummy_pcm *dpcm;
+	int err;
+
+	if ((dpcm = new_pcm_stream(substream)) == NULL)
+		return -ENOMEM;
+	//printk("giova, %s:%d, giovaindex=%d dpcm=%p\n", __FILE__, __LINE__, giovaindex, dpcm);
+	runtime->private_data = dpcm;
+	/* makes the infrastructure responsible for freeing dpcm */
+	runtime->private_free = snd_card_dummy_runtime_free;
+	runtime->hw = snd_card_dummy_playback;
+	if (substream->pcm->device & 1) {
+		runtime->hw.info &= ~SNDRV_PCM_INFO_INTERLEAVED;
+		runtime->hw.info |= SNDRV_PCM_INFO_NONINTERLEAVED;
+	}
+	if (substream->pcm->device & 2)
+		runtime->hw.info &= ~(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID);
+	err = add_playback_constraints(runtime);
+	if (err < 0)
+		return err;
+
+	return 0;
+}
+
+static int snd_card_dummy_capture_open(struct snd_pcm_substream *substream)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_dummy_pcm *dpcm;
+	int err;
+
+	if ((dpcm = new_pcm_stream(substream)) == NULL)
+		return -ENOMEM;
+	//printk("giova, %s:%d, giovaindex=%d dpcm=%p\n", __FILE__, __LINE__, giovaindex, dpcm);
+	runtime->private_data = dpcm;
+	/* makes the infrastructure responsible for freeing dpcm */
+	runtime->private_free = snd_card_dummy_runtime_free;
+	runtime->hw = snd_card_dummy_capture;
+	if (substream->pcm->device == 1) {
+		runtime->hw.info &= ~SNDRV_PCM_INFO_INTERLEAVED;
+		runtime->hw.info |= SNDRV_PCM_INFO_NONINTERLEAVED;
+	}
+	if (substream->pcm->device & 2)
+		runtime->hw.info &= ~(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID);
+	err = add_capture_constraints(runtime);
+	if (err < 0)
+		return err;
+
+	return 0;
+}
+
+static int snd_card_dummy_playback_close(struct snd_pcm_substream *substream)
+{
+//printk("play giova 1 giovaindex=%d dpcm=%p substream=%p\n", giovaindex, substream->private_data, substream);
+	snd_card_dummy_pcm_timer_stop(substream->private_data);
+	return 0;
+}
+
+static int snd_card_dummy_capture_close(struct snd_pcm_substream *substream)
+{
+//printk("capt giova 2 giovaindex=%d dpcm=%p substream=%p\n", giovaindex, substream->private_data, substream);
+	snd_card_dummy_pcm_timer_stop(substream->private_data);
+	return 0;
+}
+
+static struct snd_pcm_ops snd_card_dummy_playback_ops = {
+	.open = snd_card_dummy_playback_open,
+	.close = snd_card_dummy_playback_close,
+	.ioctl = snd_pcm_lib_ioctl,
+	.hw_params = snd_card_dummy_hw_params,
+	.hw_free = snd_card_dummy_hw_free,
+	.prepare = snd_card_dummy_pcm_prepare,
+	.trigger = snd_card_dummy_pcm_trigger,
+	.pointer = snd_card_dummy_pcm_pointer,
+};
+
+static struct snd_pcm_ops snd_card_dummy_capture_ops = {
+	.open = snd_card_dummy_capture_open,
+	.close = snd_card_dummy_capture_close,
+	.ioctl = snd_pcm_lib_ioctl,
+	.hw_params = snd_card_dummy_hw_params,
+	.hw_free = snd_card_dummy_hw_free,
+	.prepare = snd_card_dummy_pcm_prepare,
+	.trigger = snd_card_dummy_pcm_trigger,
+	.pointer = snd_card_dummy_pcm_pointer,
+};
+
+static int __devinit snd_card_dummy_pcm(struct snd_dummy *dummy, int device, int substreams)
+{
+	struct snd_pcm *pcm;
+	int err;
+
+	err = snd_pcm_new(dummy->card, "Dummy PCM", device, substreams, substreams, &pcm);
+	if (err < 0)
+		return err;
+	dummy->pcm = pcm;
+	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_card_dummy_playback_ops);
+	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_card_dummy_capture_ops);
+	pcm->private_data = dummy;
+	pcm->info_flags = 0;
+	strcpy(pcm->name, "Dummy PCM");
+	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS, snd_dma_continuous_data(GFP_KERNEL), 128 * 1024, 1024 * 1024);
+
+	return 0;
+}
+
+#define DUMMY_VOLUME(xname, xindex, addr) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+  .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
+  .name = xname, .index = xindex, \
+  .info = snd_dummy_volume_info, \
+  .get = snd_dummy_volume_get, .put = snd_dummy_volume_put, \
+  .private_value = addr, \
+  .tlv = { .p = db_scale_dummy } }
+
+static int snd_dummy_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+	uinfo->count = 2;
+	uinfo->value.integer.min = -50;
+	uinfo->value.integer.max = 100;
+	return 0;
+}
+
+static int snd_dummy_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_dummy *dummy = snd_kcontrol_chip(kcontrol);
+	int addr = kcontrol->private_value;
+	//unsigned long flags;
+
+	if (in_irq())
+		printk("giova: line %d we are in HARDWARE IRQ\n", __LINE__);
+//printk("giova: volume get %d %d\n", __LINE__, addr);
+	//spin_lock_irq(&dummy->mixer_lock);
+	//spin_lock_irqsave(&dummy->mixer_lock, flags);
+	spin_lock_bh(&dummy->mixer_lock);
+	ucontrol->value.integer.value[0] = dummy->mixer_volume[addr][0];
+	ucontrol->value.integer.value[1] = dummy->mixer_volume[addr][1];
+	//spin_unlock_irqrestore(&dummy->mixer_lock, flags);
+	spin_unlock_bh(&dummy->mixer_lock);
+	return 0;
+}
+
+static int snd_dummy_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_dummy *dummy = snd_kcontrol_chip(kcontrol);
+	int change, addr = kcontrol->private_value;
+	int left, right;
+	//unsigned long flags;
+
+	if (in_irq())
+		printk("giova: line %d we are in HARDWARE IRQ\n", __LINE__);
+	left = ucontrol->value.integer.value[0];
+	if (left < -50)
+		left = -50;
+	if (left > 100)
+		left = 100;
+	right = ucontrol->value.integer.value[1];
+	if (right < -50)
+		right = -50;
+	if (right > 100)
+		right = 100;
+//printk("giova: volume put %d %d\n", __LINE__, addr);
+	//spin_lock_irq(&dummy->mixer_lock);
+	//spin_lock_irqsave(&dummy->mixer_lock, flags);
+	spin_lock_bh(&dummy->mixer_lock);
+	change = dummy->mixer_volume[addr][0] != left || dummy->mixer_volume[addr][1] != right;
+	dummy->mixer_volume[addr][0] = left;
+	dummy->mixer_volume[addr][1] = right;
+	//spin_unlock_irq(&dummy->mixer_lock);
+	//spin_unlock_irqrestore(&dummy->mixer_lock, flags);
+	spin_unlock_bh(&dummy->mixer_lock);
+	return change;
+}
+
+static const DECLARE_TLV_DB_SCALE(db_scale_dummy, -4500, 30, 0);
+
+#define DUMMY_CAPSRC(xname, xindex, addr) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
+  .info = snd_dummy_capsrc_info, \
+  .get = snd_dummy_capsrc_get, .put = snd_dummy_capsrc_put, \
+  .private_value = addr }
+
+#define snd_dummy_capsrc_info	snd_ctl_boolean_stereo_info
+
+static int snd_dummy_capsrc_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_dummy *dummy = snd_kcontrol_chip(kcontrol);
+	int addr = kcontrol->private_value;
+	//unsigned long flags;
+
+	if (in_irq())
+		printk("giova: line %d we are in HARDWARE IRQ\n", __LINE__);
+	//spin_lock_irq(&dummy->mixer_lock);
+	//spin_lock_irqsave(&dummy->mixer_lock, flags);
+	spin_lock_bh(&dummy->mixer_lock);
+	ucontrol->value.integer.value[0] = dummy->capture_source[addr][0];
+	ucontrol->value.integer.value[1] = dummy->capture_source[addr][1];
+	//spin_unlock_irq(&dummy->mixer_lock);
+	//spin_unlock_irqrestore(&dummy->mixer_lock, flags);
+	spin_unlock_bh(&dummy->mixer_lock);
+//printk("giova: capsrc_get %d %d\n", __LINE__, addr);
+	return 0;
+}
+
+static int snd_dummy_capsrc_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_dummy *dummy = snd_kcontrol_chip(kcontrol);
+	int change, addr = kcontrol->private_value;
+	int left, right;
+	//unsigned long flags;
+
+	if (in_irq())
+		printk("giova: line %d we are in HARDWARE IRQ\n", __LINE__);
+	left = ucontrol->value.integer.value[0] & 1;
+	right = ucontrol->value.integer.value[1] & 1;
+	//spin_lock_irq(&dummy->mixer_lock);
+	//spin_lock_irqsave(&dummy->mixer_lock, flags);
+	spin_lock_bh(&dummy->mixer_lock);
+	change = dummy->capture_source[addr][0] != left && dummy->capture_source[addr][1] != right;
+	dummy->capture_source[addr][0] = left;
+	dummy->capture_source[addr][1] = right;
+	//spin_unlock_irq(&dummy->mixer_lock);
+	//spin_unlock_irqrestore(&dummy->mixer_lock, flags);
+	spin_unlock_bh(&dummy->mixer_lock);
+//printk("giova: capsrc_put %d %d\n", __LINE__, addr);
+	return change;
+}
+
+static struct snd_kcontrol_new snd_dummy_controls[] = {
+	DUMMY_VOLUME("Master Volume", 0, MIXER_ADDR_MASTER),
+	DUMMY_CAPSRC("Master Capture Switch", 0, MIXER_ADDR_MASTER),
+	DUMMY_VOLUME("Synth Volume", 0, MIXER_ADDR_SYNTH),
+	DUMMY_CAPSRC("Synth Capture Switch", 0, MIXER_ADDR_SYNTH),
+	DUMMY_VOLUME("Line Volume", 0, MIXER_ADDR_LINE),
+	DUMMY_CAPSRC("Line Capture Switch", 0, MIXER_ADDR_LINE),
+	DUMMY_VOLUME("Mic Volume", 0, MIXER_ADDR_MIC),
+	DUMMY_CAPSRC("Mic Capture Switch", 0, MIXER_ADDR_MIC),
+	DUMMY_VOLUME("CD Volume", 0, MIXER_ADDR_CD),
+	DUMMY_CAPSRC("CD Capture Switch", 0, MIXER_ADDR_CD)
+};
+
+static int __devinit snd_card_dummy_new_mixer(struct snd_dummy *dummy)
+{
+	struct snd_card *card = dummy->card;
+	unsigned int idx;
+	int err;
+
+	//giova if (snd_BUG_ON(!dummy))
+	//giova return -EINVAL;
+	spin_lock_init(&dummy->mixer_lock);
+	strcpy(card->mixername, "Dummy Mixer");
+//printk("giova: new_mixer %d\n", __LINE__);
+	return 0;					//giova no mixer
+
+	for (idx = 0; idx < ARRAY_SIZE(snd_dummy_controls); idx++) {
+		err = snd_ctl_add(card, snd_ctl_new1(&snd_dummy_controls[idx], dummy));
+		if (err < 0)
+			return err;
+	}
+	return 0;
+}
+
+static int __devinit snd_dummy_probe(struct platform_device *devptr)
+{
+	struct snd_card *card;
+	struct snd_dummy *dummy;
+	int idx, err;
+	int dev = devptr->id;
+
+	card = snd_card_new(index[dev], id[dev], THIS_MODULE, sizeof(struct snd_dummy));
+	if (card == NULL)
+		return -ENOMEM;
+
+	//giova err = snd_card_create(index[dev], id[dev], THIS_MODULE,
+	//giova sizeof(struct snd_dummy), &card);
+	//giova if (err < 0)
+	//giova return err;
+	dummy = card->private_data;
+	dummy->card = card;
+	for (idx = 0; idx < MAX_PCM_DEVICES && idx < pcm_devs[dev]; idx++) {
+		if (pcm_substreams[dev] < 1)
+			pcm_substreams[dev] = 1;
+		if (pcm_substreams[dev] > MAX_PCM_SUBSTREAMS)
+			pcm_substreams[dev] = MAX_PCM_SUBSTREAMS;
+		err = snd_card_dummy_pcm(dummy, idx, pcm_substreams[dev]);
+		if (err < 0)
+			goto __nodev;
+	}
+	err = snd_card_dummy_new_mixer(dummy);
+	if (err < 0)
+		goto __nodev;
+	strcpy(card->driver, "Dummy");
+	strcpy(card->shortname, "Dummy");
+	sprintf(card->longname, "Dummy %i", dev + 1);
+
+	snd_card_set_dev(card, &devptr->dev);
+
+	err = snd_card_register(card);
+	if (err == 0) {
+		platform_set_drvdata(devptr, card);
+		return 0;
+	}
+  __nodev:
+	snd_card_free(card);
+	return err;
+}
+
+static int __devexit snd_dummy_remove(struct platform_device *devptr)
+{
+
+	del_timer(&giovatimer);
+	snd_card_free(platform_get_drvdata(devptr));
+	platform_set_drvdata(devptr, NULL);
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int snd_dummy_suspend(struct platform_device *pdev, pm_message_t state)
+{
+	struct snd_card *card = platform_get_drvdata(pdev);
+	struct snd_dummy *dummy = card->private_data;
+
+	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
+	snd_pcm_suspend_all(dummy->pcm);
+	return 0;
+}
+
+static int snd_dummy_resume(struct platform_device *pdev)
+{
+	struct snd_card *card = platform_get_drvdata(pdev);
+
+	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
+	return 0;
+}
+#endif
+
+#define SND_DUMMY_DRIVER	"snd_dummy"
+
+static struct platform_driver snd_dummy_driver = {
+	.probe = snd_dummy_probe,
+	.remove = __devexit_p(snd_dummy_remove),
+#ifdef CONFIG_PM
+	.suspend = snd_dummy_suspend,
+	.resume = snd_dummy_resume,
+#endif
+	.driver = {
+			   .name = SND_DUMMY_DRIVER},
+};
+
+static void snd_dummy_unregister_all(void)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(devices); ++i)
+		platform_device_unregister(devices[i]);
+	platform_driver_unregister(&snd_dummy_driver);
+}
+
+static int __init alsa_card_dummy_init(void)
+{
+	int i, cards, err;
+
+	err = platform_driver_register(&snd_dummy_driver);
+	if (err < 0)
+		return err;
+
+	if (!giovastarted) {
+		giovastarted = 1;
+		spin_lock_init(&giovalock);
+
+		spin_lock_bh(&giovalock);
+		for (i = 0; i < MAX_PCM_SUBSTREAMS; i++) {
+
+			if (i > MAX_PCM_SUBSTREAMS || giovaindex > MAX_PCM_SUBSTREAMS) {
+				printk("giova, %s:%d, i=%d, giovaindex=%d \n", __FILE__, __LINE__, i, giovaindex);
+			}
+			giovadpcms[i].substream = NULL;
+			giovadpcms[i].dpcm = NULL;
+			giovadpcms[i].started = 0;
+		}
+		init_timer(&giovatimer);
+		//giovatimer.data = (unsigned long) dpcm;
+		giovatimer.data = (unsigned long) &giovadpcms;
+		giovatimer.function = snd_card_dummy_pcm_timer_function;
+		giovatimer.expires = ((HZ / 1000) *GIOVAMULTI)+ jiffies;
+		add_timer(&giovatimer);
+		printk("003 snd-dummy skypiax driver, %s:%d working on a machine with %dHZ kernel\n", __FILE__, __LINE__, HZ);
+		spin_unlock_bh(&giovalock);
+	}
+
+
+	cards = 0;
+	for (i = 0; i < SNDRV_CARDS; i++) {
+		struct platform_device *device;
+		if (!enable[i])
+			continue;
+		device = platform_device_register_simple(SND_DUMMY_DRIVER, i, NULL, 0);
+		if (IS_ERR(device))
+			continue;
+		if (!platform_get_drvdata(device)) {
+			platform_device_unregister(device);
+			continue;
+		}
+		devices[i] = device;
+		cards++;
+	}
+	if (!cards) {
+#ifdef MODULE
+		printk(KERN_ERR "Dummy soundcard not found or device busy\n");
+#endif
+		snd_dummy_unregister_all();
+		return -ENODEV;
+	}
+	return 0;
+}
+
+static void __exit alsa_card_dummy_exit(void)
+{
+	del_timer(&giovatimer);
+	snd_dummy_unregister_all();
+}
+
+module_init(alsa_card_dummy_init)
+	module_exit(alsa_card_dummy_exit)

src/mod/endpoints/mod_skypiax/072_low_latency/skypiax.h

@@ -0,0 +1,332 @@
+/*
+ * FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ * Copyright (C) 2005/2006, Anthony Minessale II <anthmct@yahoo.com>
+ *
+ * Version: MPL 1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ *
+ * The Initial Developer of the Original Code is
+ * Anthony Minessale II <anthmct@yahoo.com>
+ * Portions created by the Initial Developer are Copyright (C)
+ * the Initial Developer. All Rights Reserved.
+ *
+ * This module (mod_skypiax) has been contributed by:
+ *
+ * Giovanni Maruzzelli (gmaruzz@gmail.com)
+ *
+ *
+ * Further Contributors:
+ *
+ *
+ *
+ * mod_skypiax.c -- Skype compatible Endpoint Module
+ *
+ */
+
+#include <switch.h>
+#include <switch_version.h>
+
+#ifndef WIN32
+#include <sys/time.h>
+#include <X11/Xlib.h>
+#include <X11/Xlibint.h>
+#include <X11/Xatom.h>
+#endif //WIN32
+
+#ifdef _MSC_VER
+//Windows macro  for FD_SET includes a warning C4127: conditional expression is constant
+#pragma warning(push)
+#pragma warning(disable:4127)
+#endif
+
+#define MY_EVENT_INCOMING_CHATMESSAGE "skypiax::incoming_chatmessage"
+
+#define SAMPLERATE_SKYPIAX 16000
+#define SAMPLES_PER_FRAME SAMPLERATE_SKYPIAX/50
+
+#ifndef SKYPIAX_SVN_VERSION
+#define SKYPIAX_SVN_VERSION SWITCH_VERSION_REVISION
+#endif /* SKYPIAX_SVN_VERSION */
+
+typedef enum {
+	TFLAG_IO = (1 << 0),
+	TFLAG_INBOUND = (1 << 1),
+	TFLAG_OUTBOUND = (1 << 2),
+	TFLAG_DTMF = (1 << 3),
+	TFLAG_VOICE = (1 << 4),
+	TFLAG_HANGUP = (1 << 5),
+	TFLAG_LINEAR = (1 << 6),
+	TFLAG_CODEC = (1 << 7),
+	TFLAG_BREAK = (1 << 8)
+} TFLAGS;
+
+typedef enum {
+	GFLAG_MY_CODEC_PREFS = (1 << 0)
+} GFLAGS;
+
+#define DEBUGA_SKYPE(...)  switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, 		"rev "SKYPIAX_SVN_VERSION "[%p|%-7lx][DEBUG_SKYPE  %-5d][%-10s][%2d,%2d,%2d] " __VA_ARGS__ );
+#define DEBUGA_CALL(...)  switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, 		"rev "SKYPIAX_SVN_VERSION "[%p|%-7lx][DEBUG_CALL  %-5d][%-10s][%2d,%2d,%2d] " __VA_ARGS__ );
+#define DEBUGA_PBX(...)  switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, 		"rev "SKYPIAX_SVN_VERSION "[%p|%-7lx][DEBUG_PBX  %-5d][%-10s][%2d,%2d,%2d] " __VA_ARGS__ );
+#define ERRORA(...)  switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, 		"rev "SKYPIAX_SVN_VERSION "[%p|%-7lx][ERRORA  %-5d][%-10s][%2d,%2d,%2d] " __VA_ARGS__ );
+#define WARNINGA(...)  switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, 		"rev "SKYPIAX_SVN_VERSION "[%p|%-7lx][WARNINGA  %-5d][%-10s][%2d,%2d,%2d] " __VA_ARGS__ );
+#define NOTICA(...)  switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, 		"rev "SKYPIAX_SVN_VERSION "[%p|%-7lx][NOTICA  %-5d][%-10s][%2d,%2d,%2d] " __VA_ARGS__ );
+
+#define SKYPIAX_P_LOG NULL, (unsigned long)55, __LINE__, tech_pvt ? tech_pvt->name ? tech_pvt->name : "none" : "none", -1, tech_pvt ? tech_pvt->interface_state : -1, tech_pvt ? tech_pvt->skype_callflow : -1
+
+/*********************************/
+#define SKYPIAX_CAUSE_NORMAL		1
+/*********************************/
+#define SKYPIAX_FRAME_DTMF			1
+/*********************************/
+#define SKYPIAX_CONTROL_RINGING		1
+#define SKYPIAX_CONTROL_ANSWER		2
+
+/*********************************/
+#define		SKYPIAX_STATE_IDLE					0
+#define		SKYPIAX_STATE_DOWN					1
+#define		SKYPIAX_STATE_RING					2
+#define		SKYPIAX_STATE_DIALING				3
+#define		SKYPIAX_STATE_BUSY					4
+#define		SKYPIAX_STATE_UP					5
+#define		SKYPIAX_STATE_RINGING				6
+#define		SKYPIAX_STATE_PRERING				7
+#define		SKYPIAX_STATE_ERROR_DOUBLE_CALL		8
+#define		SKYPIAX_STATE_SELECTED				9
+#define 	SKYPIAX_STATE_HANGUP_REQUESTED		10
+#define		SKYPIAX_STATE_PREANSWER				11
+/*********************************/
+/* call flow from the device */
+#define 	CALLFLOW_CALL_IDLE					0
+#define 	CALLFLOW_CALL_DOWN					1
+#define 	CALLFLOW_INCOMING_RING				2
+#define 	CALLFLOW_CALL_DIALING				3
+#define 	CALLFLOW_CALL_LINEBUSY				4
+#define 	CALLFLOW_CALL_ACTIVE				5
+#define 	CALLFLOW_INCOMING_HANGUP			6
+#define 	CALLFLOW_CALL_RELEASED				7
+#define 	CALLFLOW_CALL_NOCARRIER				8
+#define 	CALLFLOW_CALL_INFLUX				9
+#define 	CALLFLOW_CALL_INCOMING				10
+#define 	CALLFLOW_CALL_FAILED				11
+#define 	CALLFLOW_CALL_NOSERVICE				12
+#define 	CALLFLOW_CALL_OUTGOINGRESTRICTED	13
+#define 	CALLFLOW_CALL_SECURITYFAIL			14
+#define 	CALLFLOW_CALL_NOANSWER				15
+#define 	CALLFLOW_STATUS_FINISHED			16
+#define 	CALLFLOW_STATUS_CANCELLED			17
+#define 	CALLFLOW_STATUS_FAILED				18
+#define 	CALLFLOW_STATUS_REFUSED				19
+#define 	CALLFLOW_STATUS_RINGING				20
+#define 	CALLFLOW_STATUS_INPROGRESS			21
+#define 	CALLFLOW_STATUS_UNPLACED			22
+#define 	CALLFLOW_STATUS_ROUTING				23
+#define 	CALLFLOW_STATUS_EARLYMEDIA			24
+#define 	CALLFLOW_INCOMING_CALLID			25
+#define 	CALLFLOW_STATUS_REMOTEHOLD			26
+
+/*********************************/
+
+#define SKYPIAX_MAX_INTERFACES 64
+
+#ifndef WIN32
+struct SkypiaxHandles {
+	Window skype_win;
+	Display *disp;
+	Window win;
+	int currentuserhandle;
+	int api_connected;
+	int fdesc[2];
+};
+#else //WIN32
+
+struct SkypiaxHandles {
+	HWND win32_hInit_MainWindowHandle;
+	HWND win32_hGlobal_SkypeAPIWindowHandle;
+	HINSTANCE win32_hInit_ProcessHandle;
+	char win32_acInit_WindowClassName[128];
+	UINT win32_uiGlobal_MsgID_SkypeControlAPIAttach;
+	UINT win32_uiGlobal_MsgID_SkypeControlAPIDiscover;
+	int currentuserhandle;
+	int api_connected;
+	switch_file_t *fdesc[2];
+};
+#endif //WIN32
+
+#define MAX_CHATS 10
+
+struct chat {
+	char chatname[256];
+	char dialog_partner[256];
+};
+typedef struct chat chat_t;
+
+#define MAX_CHATMESSAGES 10
+
+struct chatmessage {
+	char id[256];
+	char type[256];
+	char chatname[256];
+	char from_handle[256];
+	char from_dispname[256];
+	char body[512];
+};
+typedef struct chatmessage chatmessage_t;
+struct private_object {
+	unsigned int flags;
+	switch_codec_t read_codec;
+	switch_codec_t write_codec;
+	switch_frame_t read_frame;
+	unsigned char databuf[SWITCH_RECOMMENDED_BUFFER_SIZE];
+	char session_uuid_str[SWITCH_UUID_FORMATTED_LENGTH + 1];
+	switch_caller_profile_t *caller_profile;
+	switch_mutex_t *mutex;
+	switch_mutex_t *flag_mutex;
+	switch_mutex_t *flag_audio_cli_mutex;
+	switch_mutex_t *flag_audio_srv_mutex;
+
+	char interface_id[80];
+	char name[80];
+	char dialplan[80];
+	char context[80];
+	char dial_regex[256];
+	char fail_dial_regex[256];
+	char hold_music[256];
+	char type[256];
+	char X11_display[256];
+#ifdef WIN32
+	unsigned short tcp_cli_port;
+	unsigned short tcp_srv_port;
+#else
+	int tcp_cli_port;
+	int tcp_srv_port;
+#endif
+	struct SkypiaxHandles SkypiaxHandles;
+
+	int interface_state;		/*!< \brief 'state' of the interface (channel) */
+	char language[80];			/*!< \brief default Asterisk dialplan language for this interface */
+	char exten[80];				/*!< \brief default Asterisk dialplan extension for this interface */
+	int skypiax_sound_rate;		/*!< \brief rate of the sound device, in Hz, eg: 8000 */
+	char callid_name[50];
+	char callid_number[50];
+	double playback_boost;
+	double capture_boost;
+	int stripmsd;
+	char skype_call_id[512];
+	int skype_call_ongoing;
+	char skype_friends[4096];
+	char skype_fullname[512];
+	char skype_displayname[512];
+	int skype_callflow;			/*!< \brief 'callflow' of the skype interface (as opposed to phone interface) */
+	int skype;					/*!< \brief config flag, bool, Skype support on this interface (0 if false, -1 if true) */
+	int control_to_send;
+#ifdef WIN32
+	switch_file_t *audiopipe_srv[2];
+	switch_file_t *audiopipe_cli[2];
+	switch_file_t *skypiax_sound_capt_fd;	/*!< \brief file descriptor for sound capture dev */
+#else							/* WIN32 */
+	int audiopipe_srv[2];
+	int audiopipe_cli[2];
+	int skypiax_sound_capt_fd;	/*!< \brief file descriptor for sound capture dev */
+#endif							/* WIN32 */
+	switch_thread_t *tcp_srv_thread;
+	switch_thread_t *tcp_cli_thread;
+	switch_thread_t *skypiax_signaling_thread;
+	switch_thread_t *skypiax_api_thread;
+	short audiobuf[SAMPLES_PER_FRAME];
+	int audiobuf_is_loaded;
+	short audiobuf_cli[SAMPLES_PER_FRAME];
+	switch_mutex_t *mutex_audio_cli;
+	int flag_audio_cli;
+	short audiobuf_srv[SAMPLES_PER_FRAME];
+	switch_mutex_t *mutex_audio_srv;
+	int flag_audio_srv;
+
+	//int phonebook_listing;
+	//int phonebook_querying;
+	//int phonebook_listing_received_calls;
+
+	//int phonebook_first_entry;
+	//int phonebook_last_entry;
+	//int phonebook_number_lenght;
+	//int phonebook_text_lenght;
+	FILE *phonebook_writing_fp;
+	int skypiax_dir_entry_extension_prefix;
+	char skype_user[256];
+	char skype_password[256];
+	char destination[256];
+	struct timeval answer_time;
+
+	struct timeval transfer_time;
+	char transfer_callid_number[50];
+	char skype_transfer_call_id[512];
+	int running;
+	uint32_t ib_calls;
+	uint32_t ob_calls;
+	uint32_t ib_failed_calls;
+	uint32_t ob_failed_calls;
+
+	chatmessage_t chatmessages[MAX_CHATMESSAGES];
+	chat_t chats[MAX_CHATS];
+	uint32_t report_incoming_chatmessages;
+	switch_timer_t timer_read;
+	switch_timer_t timer_write;
+unsigned int writefd;
+unsigned int readfd;
+};
+
+typedef struct private_object private_t;
+
+void *SWITCH_THREAD_FUNC skypiax_api_thread_func(switch_thread_t * thread, void *obj);
+int skypiax_audio_read(private_t * tech_pvt);
+int skypiax_audio_init(private_t * tech_pvt);
+int skypiax_signaling_write(private_t * tech_pvt, char *msg_to_skype);
+int skypiax_signaling_read(private_t * tech_pvt);
+
+int skypiax_call(private_t * tech_pvt, char *idest, int timeout);
+int skypiax_senddigit(private_t * tech_pvt, char digit);
+
+void *skypiax_do_tcp_srv_thread_func(void *obj);
+void *SWITCH_THREAD_FUNC skypiax_do_tcp_srv_thread(switch_thread_t * thread, void *obj);
+
+void *skypiax_do_tcp_cli_thread_func(void *obj);
+void *SWITCH_THREAD_FUNC skypiax_do_tcp_cli_thread(switch_thread_t * thread, void *obj);
+
+void *skypiax_do_skypeapi_thread_func(void *obj);
+void *SWITCH_THREAD_FUNC skypiax_do_skypeapi_thread(switch_thread_t * thread, void *obj);
+int dtmf_received(private_t * tech_pvt, char *value);
+int start_audio_threads(private_t * tech_pvt);
+int new_inbound_channel(private_t * tech_pvt);
+int outbound_channel_answered(private_t * tech_pvt);
+int skypiax_signaling_write(private_t * tech_pvt, char *msg_to_skype);
+#if defined(WIN32) && !defined(__CYGWIN__)
+int skypiax_pipe_read(switch_file_t * pipe, short *buf, int howmany);
+int skypiax_pipe_write(switch_file_t * pipe, short *buf, int howmany);
+/* Visual C do not have strsep ? */
+char *strsep(char **stringp, const char *delim);
+#else
+int skypiax_pipe_read(int pipe, short *buf, int howmany);
+int skypiax_pipe_write(int pipe, short *buf, int howmany);
+#endif /* WIN32 */
+int skypiax_close_socket(unsigned int fd);
+private_t *find_available_skypiax_interface_rr(private_t * tech_pvt_calling);
+int remote_party_is_ringing(private_t * tech_pvt);
+int remote_party_is_early_media(private_t * tech_pvt);
+int skypiax_answer(private_t * tech_pvt, char *id, char *value);
+int skypiax_transfer(private_t * tech_pvt, char *id, char *value);
+#ifndef WIN32
+int skypiax_socket_create_and_bind(private_t * tech_pvt, int *which_port);
+#else
+int skypiax_socket_create_and_bind(private_t * tech_pvt, unsigned short *which_port);
+#endif //WIN32
+int incoming_chatmessage(private_t * tech_pvt, int which);

src/mod/endpoints/mod_skypiax/073_low_latency/1.diff

@@ -0,0 +1,55 @@
+Index: skypiax_protocol.c
+===================================================================
+--- skypiax_protocol.c	(revision 16583)
++++ skypiax_protocol.c	(working copy)
+@@ -1040,22 +1040,35 @@
+ 					fdselect = fd;
+ 					FD_SET(fdselect, &fs);
+ 
++#if 1
+ 					//FIXME rt = select(fdselect + 1, NULL, &fs, NULL, &to);
+ 					while (tech_pvt->flag_audio_cli == 0) {
+ #ifdef WIN32
+ 						skypiax_sleep(100);	//0.1 millisec
+ #else
+-						skypiax_sleep(1000);	//1 millisec
++						skypiax_sleep(10000);	//10 millisec
+ #endif //WIN32
+ 						//WARNINGA("write now is 0\n", SKYPIAX_P_LOG);
+ 					}
+ 					//ERRORA("write is now 1\n", SKYPIAX_P_LOG);
+ 
+ 					rt = 1;
++#endif //0
++					//rt = select(fdselect + 1, NULL, &fs, NULL, NULL);
+ 
+ 					if (rt > 0) {
+ 						int counter;
+-
++#if 0
++					while (tech_pvt->flag_audio_cli == 0) {
++#ifdef WIN32
++						skypiax_sleep(100);	//0.1 millisec
++#else
++						skypiax_sleep(10000);	//10 millisec
++#endif //WIN32
++						WARNINGA("write now is 0\n", SKYPIAX_P_LOG);
++					}
++#endif //0
++	
+ 						/* until we drained the pipe to empty */
+ 						//for (counter = 0; counter < 10; counter++) {
+ 						for (counter = 0; counter < 1; counter++) {
+@@ -1155,10 +1168,10 @@
+ #ifdef WIN32
+ 		skypiax_sleep(100);		//0.1 millisec
+ #else
+-		skypiax_sleep(1000);	//1 millisec
++		skypiax_sleep(10000);	//10 millisec
+ #endif //WIN32
+ 
+-		//WARNINGA("read now is 0\n", SKYPIAX_P_LOG);
++		WARNINGA("read now is 0\n", SKYPIAX_P_LOG);
+ 	}
+ 	//ERRORA("read is now 1\n", SKYPIAX_P_LOG);
+ 	//samples = skypiax_pipe_read(tech_pvt->audiopipe_srv[0], tech_pvt->read_frame.data, SAMPLES_PER_FRAME * sizeof(short));

src/mod/endpoints/mod_skypiax/073_low_latency/Makefile

@@ -0,0 +1,610 @@
+# Makefile.in generated by automake 1.9.6 from Makefile.am.
+# src/mod/endpoints/mod_skypiax/Makefile.  Generated from Makefile.in by configure.
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005  Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+
+
+srcdir = .
+top_srcdir = ../../../..
+
+pkgdatadir = $(datadir)/libfreeswitch
+pkglibdir = $(libdir)/libfreeswitch
+pkgincludedir = $(includedir)/libfreeswitch
+top_builddir = ../../../..
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+INSTALL = /usr/bin/install -c
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = i686-redhat-linux-gnu
+host_triplet = i686-redhat-linux-gnu
+DIST_COMMON = README $(srcdir)/Makefile.am $(srcdir)/Makefile.in \
+	$(top_srcdir)/build/modmake.rulesam
+subdir = src/mod/endpoints/mod_skypiax
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/acinclude.m4 \
+	$(top_srcdir)/build/config/ax_compiler_vendor.m4 \
+	$(top_srcdir)/build/config/ax_cflags_warn_all_ansi.m4 \
+	$(top_srcdir)/build/config/ax_cc_maxopt.m4 \
+	$(top_srcdir)/build/config/ax_check_compiler_flags.m4 \
+	$(top_srcdir)/build/config/ac_gcc_archflag.m4 \
+	$(top_srcdir)/build/config/ac_gcc_x86_cpuid.m4 \
+	$(top_srcdir)/build/config/ax_lib_mysql.m4 \
+	$(top_srcdir)/build/config/ax_check_java.m4 \
+	$(top_srcdir)/build/config/erlang.m4 \
+	$(top_srcdir)/build/config/odbc.m4 \
+	$(top_srcdir)/build/config/sched_setaffinity.m4 \
+	$(top_srcdir)/libs/apr/build/apr_common.m4 \
+	$(top_srcdir)/libs/sofia-sip/m4/sac-pkg-config.m4 \
+	$(top_srcdir)/libs/sofia-sip/m4/sac-openssl.m4 \
+	$(top_srcdir)/build/config/libcurl.m4 \
+	$(top_srcdir)/configure.in
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/src/include/switch_private.h \
+	$(top_builddir)/libs/xmlrpc-c/xmlrpc_amconfig.h
+CONFIG_CLEAN_FILES =
+am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
+am__vpath_adj = case $$p in \
+    $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \
+    *) f=$$p;; \
+  esac;
+am__strip_dir = `echo $$p | sed -e 's|^.*/||'`;
+am__installdirs = "$(DESTDIR)$(moddir)"
+modLTLIBRARIES_INSTALL = $(INSTALL)
+LTLIBRARIES = $(mod_LTLIBRARIES)
+mod_skypiax_la_DEPENDENCIES = $(switch_builddir)/libfreeswitch.la
+am_mod_skypiax_la_OBJECTS = mod_skypiax_la-mod_skypiax.lo \
+	mod_skypiax_la-skypiax_protocol.lo
+mod_skypiax_la_OBJECTS = $(am_mod_skypiax_la_OBJECTS)
+DEFAULT_INCLUDES = -I. -I$(srcdir) -I$(top_builddir)/src/include -I$(top_builddir)/libs/xmlrpc-c
+depcomp = $(SHELL) $(top_srcdir)/build/config/depcomp
+am__depfiles_maybe = depfiles
+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) \
+	$(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \
+	$(AM_CFLAGS) $(CFLAGS)
+CCLD = $(CC)
+LINK = $(LIBTOOL) --tag=CC --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+	$(AM_LDFLAGS) $(LDFLAGS) -o $@
+SOURCES = $(mod_skypiax_la_SOURCES)
+DIST_SOURCES = $(mod_skypiax_la_SOURCES)
+ETAGS = etags
+CTAGS = ctags
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+ACLOCAL = ${SHELL} /usr/src/freeswitch/build/config/missing --run aclocal-1.9
+AMDEP_FALSE = #
+AMDEP_TRUE = 
+AMTAR = ${SHELL} /usr/src/freeswitch/build/config/missing --run tar
+AM_MAKEFLAGS = `test -n "$(VERBOSE)" || echo -s`
+AR = ar
+ATTR_UNUSED = __attribute__((__unused__))
+AUTOCONF = ${SHELL} /usr/src/freeswitch/build/config/missing --run autoconf
+AUTOHEADER = ${SHELL} /usr/src/freeswitch/build/config/missing --run autoheader
+AUTOMAKE = ${SHELL} /usr/src/freeswitch/build/config/missing --run automake-1.9
+AWK = gawk
+CC = gcc
+CCDEPMODE = depmode=gcc3
+CFLAGS = -g -O2
+CONF_DISABLED_MODULES = $$(grep "\#" $(switch_builddir)/modules.conf | grep -v "\#\#" | sed -e "s|^.*/||" | sort | uniq )
+CONF_MODULES = $$(grep -v "\#" $(switch_builddir)/modules.conf | sed -e "s|^.*/||" | sort | uniq )
+CPP = gcc -E
+CPPFLAGS = 
+CURL = /usr/bin/curl
+CXX = g++
+CXXCPP = g++ -E
+CXXDEPMODE = depmode=gcc3
+CXXFLAGS = -g -O2
+CYGPATH_W = echo
+DEFS = -DHAVE_CONFIG_H
+DEPDIR = .deps
+DIRECTORY_SEPARATOR = /
+DYNAMIC_LIB_EXTEN = so
+ECHO = echo
+ECHO_C = 
+ECHO_N = -n
+ECHO_T = 
+EGREP = grep -E
+ENABLE_CPP_FALSE = #
+ENABLE_CPP_TRUE = 
+ENABLE_ZRTP_FALSE = 
+ENABLE_ZRTP_TRUE = #
+ERLANG = no
+ERLANG_CFLAGS = 
+ERLANG_LDFLAGS = 
+ESL_LDFLAGS = 
+EXEEXT = 
+GETLIB = cd /usr/src/freeswitch/libs && /bin/sh /usr/src/freeswitch/build/getlib.sh
+GETSOUNDS = /bin/sh /usr/src/freeswitch/build/getsounds.sh
+HAVE_LIBEDIT_FALSE = #
+HAVE_LIBEDIT_TRUE = 
+HAVE_LIBWWW_SSL_DEFINE = 0
+HAVE_MYSQL_FALSE = 
+HAVE_MYSQL_TRUE = #
+HAVE_ODBC_FALSE = 
+HAVE_ODBC_TRUE = #
+HAVE_TLS_FALSE = 
+HAVE_TLS_TRUE = #
+HAVE_WCHAR_H_DEFINE = 1
+HasJava_FALSE = 
+HasJava_TRUE = #
+INSTALL_DATA = ${INSTALL} -m 644
+INSTALL_PROGRAM = ${INSTALL}
+INSTALL_SCRIPT = ${INSTALL}
+INSTALL_STRIP_PROGRAM = ${SHELL} $(install_sh) -c -s
+IS64BITLINUX_FALSE = 
+IS64BITLINUX_TRUE = #
+ISLINUX_FALSE = #
+ISLINUX_TRUE = 
+ISMAC_FALSE = 
+ISMAC_TRUE = #
+JACK_CFLAGS = 
+JACK_LIBS = 
+JAVA_FLAGS = 
+JAVA_HOME = 
+LDFLAGS = 
+LIBCURL = ${switch_builddir}/libs/curl/lib/libcurl.la
+LIBCURL_CPPFLAGS = -I${switch_srcdir}/libs/curl/include
+LIBCURL_DEPS = ${switch_builddir}/libs/curl/lib/libcurl.la
+LIBOBJS = 
+# Dirty trick to override the link output
+LIBS = -lncurses  > $(MODNAME).log || error="yes";if test -n "$(VERBOSE)" \
+	-o "$$error" = "yes";then cat $(MODNAME).log;fi;if test \
+	"$$error" = "yes";then exit 1;fi
+#we should set all these vars from configure, no reason to have these in each Makefile.am
+LIBTOOL = echo "`link=\`echo $@|grep .la;echo $@|grep .so;echo $@|grep .dll\`;if test -n "$$link"; then echo Creating $@;fi`";`if test -z "$(VERBOSE)" ; \
+then echo $(SHELL) $(switch_builddir)/quiet_libtool ;else echo $(SHELL) $(switch_builddir)/libtool;  fi`
+
+LIBTOOL_LIB_EXTEN = so
+LIB_JAVA = 
+LIB_SUBDIR = lib
+LN_S = ln -s
+LTLIBOBJS = 
+MAKEINFO = ${SHELL} /usr/src/freeswitch/build/config/missing --run makeinfo
+OBJEXT = o
+ODBC_INC_DIR = 
+ODBC_INC_FLAGS = 
+ODBC_LIB_DIR = 
+ODBC_LIB_FLAGS = 
+OUR_CLEAN_MODS = $$(if test -z "$(MODULES)" ; then tmp_mods="$(CONF_MODULES)"; else tmp_mods="$(MODULES)" ; fi ; mods="$$(for i in $$tmp_mods ; do echo $$i-clean ; done )"; echo $$mods )
+OUR_DISABLED_CLEAN_MODS = $$(tmp_mods="$(CONF_DISABLED_MODULES)";  mods="$$(for i in $$tmp_mods ; do echo $$i-clean ; done )"; echo $$mods )
+OUR_DISABLED_INSTALL_MODS = $$(tmp_mods="$(CONF_DISABLED_MODULES)"; mods="$$(for i in $$tmp_mods ; do echo $$i-install ; done)"; echo $$mods )
+OUR_DISABLED_MODS = $$(tmp_mods="$(CONF_DISABLED_MODULES)"; mods="$$(for i in $$tmp_mods ; do echo $$i-all ; done )"; echo $$mods )
+OUR_DISABLED_UNINSTALL_MODS = $$(tmp_mods="$(CONF_DISABLED_MODULES)"; mods="$$(for i in $$tmp_mods ; do echo $$i-uninstall ; done)"; echo $$mods )
+OUR_INSTALL_MODS = $$(if test -z "$(MODULES)" ; then tmp_mods="$(CONF_MODULES)"; else tmp_mods="$(MODULES)" ; fi ; mods="$$(for i in $$tmp_mods ; do echo $$i-install ; done)"; echo $$mods )
+OUR_MODS = $$(if test -z "$(MODULES)" ; then tmp_mods="$(CONF_MODULES)"; else tmp_mods="$(MODULES)" ; fi ; mods="$$(for i in $$tmp_mods ; do echo $$i-all ; done )"; echo $$mods )
+OUR_UNINSTALL_MODS = $$(if test -z "$(MODULES)" ; then tmp_mods="$(CONF_MODULES)"; else tmp_mods="$(MODULES)" ; fi ; mods="$$(for i in $$tmp_mods ; do echo $$i-uninstall ; done)"; echo $$mods )
+PACKAGE = libfreeswitch
+PACKAGE_BUGREPORT = BUG-REPORT-ADDRESS
+PACKAGE_NAME = freeswitch
+PACKAGE_STRING = freeswitch 1.0.trunk
+PACKAGE_TARNAME = freeswitch
+PACKAGE_VERSION = 1.0.trunk
+PATH_SEPARATOR = :
+PA_LIBS = 
+PKG_CONFIG = no
+PLATFORM_CORE_DEPLIBS = 
+PRTDIAG = 
+PYTHON = /usr/bin/python
+PYTHON_CFLAGS = -I/usr/include/python2.4 -I/usr/include/python2.4 -fno-strict-aliasing -DNDEBUG -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m32 -march=i386 -mtune=generic -fasynchronous-unwind-tables -D_GNU_SOURCE -fPIC
+PYTHON_LDFLAGS = -lpthread -ldl -lutil -lm -lpython2.4
+PYTHON_SITE_DIR = /usr/lib/python2.4/site-packages
+RANLIB = ranlib
+SED = /bin/sed
+SET_MAKE = 
+SHELL = /bin/sh
+SOLINK = -shared -Xlinker -x
+STRIP = strip
+SWITCH_AM_CFLAGS = -I/usr/src/freeswitch/src/include -I/usr/src/freeswitch/src/include -I/usr/src/freeswitch/libs/libteletone/src -fPIC -Werror -fvisibility=hidden -DSWITCH_API_VISIBILITY=1 -DHAVE_VISIBILITY=1 -g -ggdb
+SWITCH_AM_CXXFLAGS = -I/usr/src/freeswitch/src/include -I/usr/src/freeswitch/src/include -I/usr/src/freeswitch/libs/libteletone/src -fPIC -fvisibility=hidden -DSWITCH_API_VISIBILITY=1 -DHAVE_VISIBILITY=1
+SWITCH_AM_LDFLAGS = -lm
+SWITCH_ANSI_CFLAGS =  -Wall -std=c99 -pedantic -Wdeclaration-after-statement
+SWITCH_VERSION_MAJOR = 1
+SWITCH_VERSION_MICRO = trunk
+SWITCH_VERSION_MINOR = 0
+TAR = /bin/gtar
+TOUCH_TARGET = if test -f "$@";then touch "$@";fi;
+VA_LIST_IS_ARRAY_DEFINE = 0
+VERSION = 0.1
+WANT_DEBUG_FALSE = #
+WANT_DEBUG_TRUE = 
+WGET = /usr/bin/wget
+ZCAT = /bin/gunzip
+_libcurl_config = 
+ac_ct_AR = ar
+ac_ct_CC = gcc
+ac_ct_CXX = g++
+ac_ct_RANLIB = ranlib
+ac_ct_STRIP = strip
+am__fastdepCC_FALSE = #
+am__fastdepCC_TRUE = 
+am__fastdepCXX_FALSE = #
+am__fastdepCXX_TRUE = 
+am__include = include
+am__leading_dot = .
+am__quote = 
+am__tar = ${AMTAR} chof - "$$tardir"
+am__untar = ${AMTAR} xf -
+bindir = ${exec_prefix}/bin
+build = i686-redhat-linux-gnu
+build_alias = 
+build_cpu = i686
+build_os = linux-gnu
+build_vendor = redhat
+confdir = /usr/local/freeswitch/conf
+datadir = ${prefix}/share
+dbdir = /usr/local/freeswitch/db
+exec_prefix = ${prefix}
+grammardir = /usr/local/freeswitch/grammar
+host = i686-redhat-linux-gnu
+host_alias = 
+host_cpu = i686
+host_os = linux-gnu
+host_vendor = redhat
+htdocsdir = /usr/local/freeswitch/htdocs
+includedir = ${prefix}/include
+infodir = ${prefix}/info
+install_sh = /usr/src/freeswitch/build/config/install-sh
+int64_t_fmt = #define SWITCH_INT64_T_FMT "lld"
+int64_value = long long
+int_value = int
+libdir = ${exec_prefix}/lib
+libexecdir = ${exec_prefix}/libexec
+localstatedir = ${prefix}/var
+logfiledir = /usr/local/freeswitch/log
+long_value = long long
+mandir = ${prefix}/man
+mkdir_p = mkdir -p --
+modulesdir = /usr/local/freeswitch/mod
+oldincludedir = /usr/include
+openssl_CFLAGS = 
+openssl_LIBS = 
+prefix = /usr/local/freeswitch
+program_transform_name = s,x,x,
+recordingsdir = /usr/local/freeswitch/recordings
+runtimedir = /usr/local/freeswitch/run
+sbindir = ${exec_prefix}/sbin
+scriptdir = /usr/local/freeswitch/scripts
+sharedstatedir = ${prefix}/com
+short_value = short
+size_t_fmt = #define SWITCH_SIZE_T_FMT "d"
+size_t_value = size_t
+soundsdir = /usr/local/freeswitch/sounds
+ssize_t_fmt = #define SWITCH_SSIZE_T_FMT "d"
+ssize_t_value = ssize_t
+subdirs =  libs/srtp libs/sqlite libs/libedit libs/pcre libs/apr libs/apr-util libs/ilbc libs/curl libs/iksemel libs/js/nsprpub libs/js libs/libdingaling libs/libsndfile libs/sofia-sip libs/speex libs/portaudio libs/openzap libs/unimrcp libs/tiff-3.8.2 libs/spandsp libs/broadvoice libs/libg722_1
+switch_builddir = /usr/src/freeswitch
+switch_srcdir = /usr/src/freeswitch
+sysconfdir = /usr/local/freeswitch/conf
+target_alias = 
+uint64_t_fmt = #define SWITCH_UINT64_T_FMT "llu"
+voidp_size = 4
+AM_CFLAGS = $(SWITCH_AM_CFLAGS) $(SWITCH_ANSI_CFLAGS)
+AM_CPPFLAGS = $(SWITCH_AM_CXXFLAGS)
+AM_LDFLAGS = $(SWITCH_AM_LDFLAGS)
+moddir = /usr/local/freeswitch/mod
+MODNAME = mod_skypiax
+mod_LTLIBRARIES = mod_skypiax.la
+mod_skypiax_la_SOURCES = mod_skypiax.c skypiax_protocol.c
+mod_skypiax_la_CFLAGS = $(AM_CFLAGS) -DSKYPIAX_SVN_VERSION=\"`cat $(switch_builddir)/.version`\"
+mod_skypiax_la_LIBADD = $(switch_builddir)/libfreeswitch.la
+mod_skypiax_la_LDFLAGS = -avoid-version -module -no-undefined -shared -lX11
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am $(top_srcdir)/build/modmake.rulesam $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \
+		&& exit 0; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu  src/mod/endpoints/mod_skypiax/Makefile'; \
+	cd $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu  src/mod/endpoints/mod_skypiax/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure:  $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+install-modLTLIBRARIES: $(mod_LTLIBRARIES)
+	@$(NORMAL_INSTALL)
+	test -z "$(moddir)" || $(mkdir_p) "$(DESTDIR)$(moddir)"
+	@list='$(mod_LTLIBRARIES)'; for p in $$list; do \
+	  if test -f $$p; then \
+	    f=$(am__strip_dir) \
+	    echo " $(LIBTOOL) --mode=install $(modLTLIBRARIES_INSTALL) $(INSTALL_STRIP_FLAG) '$$p' '$(DESTDIR)$(moddir)/$$f'"; \
+	    $(LIBTOOL) --mode=install $(modLTLIBRARIES_INSTALL) $(INSTALL_STRIP_FLAG) "$$p" "$(DESTDIR)$(moddir)/$$f"; \
+	  else :; fi; \
+	done
+
+uninstall-modLTLIBRARIES:
+	@$(NORMAL_UNINSTALL)
+	@set -x; list='$(mod_LTLIBRARIES)'; for p in $$list; do \
+	  p=$(am__strip_dir) \
+	  echo " $(LIBTOOL) --mode=uninstall rm -f '$(DESTDIR)$(moddir)/$$p'"; \
+	  $(LIBTOOL) --mode=uninstall rm -f "$(DESTDIR)$(moddir)/$$p"; \
+	done
+
+clean-modLTLIBRARIES:
+	-test -z "$(mod_LTLIBRARIES)" || rm -f $(mod_LTLIBRARIES)
+	@list='$(mod_LTLIBRARIES)'; for p in $$list; do \
+	  dir="`echo $$p | sed -e 's|/[^/]*$$||'`"; \
+	  test "$$dir" != "$$p" || dir=.; \
+	  echo "rm -f \"$${dir}/so_locations\""; \
+	  rm -f "$${dir}/so_locations"; \
+	done
+mod_skypiax.la: $(mod_skypiax_la_OBJECTS) $(mod_skypiax_la_DEPENDENCIES) 
+	$(LINK) -rpath $(moddir) $(mod_skypiax_la_LDFLAGS) $(mod_skypiax_la_OBJECTS) $(mod_skypiax_la_LIBADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+include ./$(DEPDIR)/mod_skypiax_la-mod_skypiax.Plo
+include ./$(DEPDIR)/mod_skypiax_la-skypiax_protocol.Plo
+
+.c.o:
+	if $(COMPILE) -MT $@ -MD -MP -MF "$(DEPDIR)/$*.Tpo" -c -o $@ $<; \
+	then mv -f "$(DEPDIR)/$*.Tpo" "$(DEPDIR)/$*.Po"; else rm -f "$(DEPDIR)/$*.Tpo"; exit 1; fi
+#	source='$<' object='$@' libtool=no \
+#	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) \
+#	$(COMPILE) -c $<
+
+.c.obj:
+	if $(COMPILE) -MT $@ -MD -MP -MF "$(DEPDIR)/$*.Tpo" -c -o $@ `$(CYGPATH_W) '$<'`; \
+	then mv -f "$(DEPDIR)/$*.Tpo" "$(DEPDIR)/$*.Po"; else rm -f "$(DEPDIR)/$*.Tpo"; exit 1; fi
+#	source='$<' object='$@' libtool=no \
+#	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) \
+#	$(COMPILE) -c `$(CYGPATH_W) '$<'`
+
+.c.lo:
+	if $(LTCOMPILE) -MT $@ -MD -MP -MF "$(DEPDIR)/$*.Tpo" -c -o $@ $<; \
+	then mv -f "$(DEPDIR)/$*.Tpo" "$(DEPDIR)/$*.Plo"; else rm -f "$(DEPDIR)/$*.Tpo"; exit 1; fi
+#	source='$<' object='$@' libtool=yes \
+#	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) \
+#	$(LTCOMPILE) -c -o $@ $<
+
+mod_skypiax_la-mod_skypiax.lo: mod_skypiax.c
+	if $(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(mod_skypiax_la_CFLAGS) $(CFLAGS) -MT mod_skypiax_la-mod_skypiax.lo -MD -MP -MF "$(DEPDIR)/mod_skypiax_la-mod_skypiax.Tpo" -c -o mod_skypiax_la-mod_skypiax.lo `test -f 'mod_skypiax.c' || echo '$(srcdir)/'`mod_skypiax.c; \
+	then mv -f "$(DEPDIR)/mod_skypiax_la-mod_skypiax.Tpo" "$(DEPDIR)/mod_skypiax_la-mod_skypiax.Plo"; else rm -f "$(DEPDIR)/mod_skypiax_la-mod_skypiax.Tpo"; exit 1; fi
+#	source='mod_skypiax.c' object='mod_skypiax_la-mod_skypiax.lo' libtool=yes \
+#	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) \
+#	$(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(mod_skypiax_la_CFLAGS) $(CFLAGS) -c -o mod_skypiax_la-mod_skypiax.lo `test -f 'mod_skypiax.c' || echo '$(srcdir)/'`mod_skypiax.c
+
+mod_skypiax_la-skypiax_protocol.lo: skypiax_protocol.c
+	if $(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(mod_skypiax_la_CFLAGS) $(CFLAGS) -MT mod_skypiax_la-skypiax_protocol.lo -MD -MP -MF "$(DEPDIR)/mod_skypiax_la-skypiax_protocol.Tpo" -c -o mod_skypiax_la-skypiax_protocol.lo `test -f 'skypiax_protocol.c' || echo '$(srcdir)/'`skypiax_protocol.c; \
+	then mv -f "$(DEPDIR)/mod_skypiax_la-skypiax_protocol.Tpo" "$(DEPDIR)/mod_skypiax_la-skypiax_protocol.Plo"; else rm -f "$(DEPDIR)/mod_skypiax_la-skypiax_protocol.Tpo"; exit 1; fi
+#	source='skypiax_protocol.c' object='mod_skypiax_la-skypiax_protocol.lo' libtool=yes \
+#	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) \
+#	$(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(mod_skypiax_la_CFLAGS) $(CFLAGS) -c -o mod_skypiax_la-skypiax_protocol.lo `test -f 'skypiax_protocol.c' || echo '$(srcdir)/'`skypiax_protocol.c
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+distclean-libtool:
+	-rm -f libtool
+uninstall-info-am:
+
+ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
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src/mod/endpoints/mod_skypiax/073_low_latency/Makefile.in

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+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:

src/mod/endpoints/mod_skypiax/073_low_latency/README

@@ -0,0 +1,9 @@
+Skypiax, Skype Endpoint and Trunk
+
+All documentation on compiling, using, configuring, 
+tricks and tweaks, possible problems at: 
+
+http://wiki.freeswitch.org/wiki/Skypiax_Skype_Endpoint_and_Trunk
+
+< gmaruzz at gmail dot com >
+

src/mod/endpoints/mod_skypiax/073_low_latency/dummy.c

@@ -0,0 +1,964 @@
+/*
+ *  Dummy soundcard
+ *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ *
+ */
+
+#include <sound/driver.h>		//giova
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/jiffies.h>
+#include <linux/slab.h>
+#include <linux/time.h>
+#include <linux/wait.h>
+#include <linux/moduleparam.h>
+#include <sound/core.h>
+#include <sound/control.h>
+#include <sound/tlv.h>
+#include <sound/pcm.h>
+#include <sound/rawmidi.h>
+#include <sound/initval.h>
+
+
+MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
+MODULE_DESCRIPTION("Dummy soundcard (/dev/null)");
+MODULE_LICENSE("GPL");
+MODULE_SUPPORTED_DEVICE("{{ALSA,Dummy soundcard}}");
+
+#define GIOVAMULTI		1
+#define MAX_PCM_DEVICES		4
+#define MAX_PCM_SUBSTREAMS	128
+#define MAX_MIDI_DEVICES	2
+
+#if 0							/* emu10k1 emulation */
+#define MAX_BUFFER_SIZE		(128 * 1024)
+static int emu10k1_playback_constraints(struct snd_pcm_runtime *runtime)
+{
+	int err;
+	err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
+	if (err < 0)
+		return err;
+	err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX);
+	if (err < 0)
+		return err;
+	return 0;
+}
+
+#define add_playback_constraints emu10k1_playback_constraints
+#endif
+
+#if 0							/* RME9652 emulation */
+#define MAX_BUFFER_SIZE		(26 * 64 * 1024)
+#define USE_FORMATS		SNDRV_PCM_FMTBIT_S32_LE
+#define USE_CHANNELS_MIN	26
+#define USE_CHANNELS_MAX	26
+#define USE_PERIODS_MIN		2
+#define USE_PERIODS_MAX		2
+#endif
+
+#if 0							/* ICE1712 emulation */
+#define MAX_BUFFER_SIZE		(256 * 1024)
+#define USE_FORMATS		SNDRV_PCM_FMTBIT_S32_LE
+#define USE_CHANNELS_MIN	10
+#define USE_CHANNELS_MAX	10
+#define USE_PERIODS_MIN		1
+#define USE_PERIODS_MAX		1024
+#endif
+
+#if 0							/* UDA1341 emulation */
+#define MAX_BUFFER_SIZE		(16380)
+#define USE_FORMATS		SNDRV_PCM_FMTBIT_S16_LE
+#define USE_CHANNELS_MIN	2
+#define USE_CHANNELS_MAX	2
+#define USE_PERIODS_MIN		2
+#define USE_PERIODS_MAX		255
+#endif
+
+#if 0							/* simple AC97 bridge (intel8x0) with 48kHz AC97 only codec */
+#define USE_FORMATS		SNDRV_PCM_FMTBIT_S16_LE
+#define USE_CHANNELS_MIN	2
+#define USE_CHANNELS_MAX	2
+#define USE_RATE		SNDRV_PCM_RATE_48000
+#define USE_RATE_MIN		48000
+#define USE_RATE_MAX		48000
+#endif
+
+#if 0							/* CA0106 */
+#define USE_FORMATS		SNDRV_PCM_FMTBIT_S16_LE
+#define USE_CHANNELS_MIN	2
+#define USE_CHANNELS_MAX	2
+#define USE_RATE		(SNDRV_PCM_RATE_48000|SNDRV_PCM_RATE_96000|SNDRV_PCM_RATE_192000)
+#define USE_RATE_MIN		48000
+#define USE_RATE_MAX		192000
+#define MAX_BUFFER_SIZE		((65536-64)*8)
+#define MAX_PERIOD_SIZE		(65536-64)
+#define USE_PERIODS_MIN		2
+#define USE_PERIODS_MAX		8
+#endif
+
+
+/* defaults */
+#ifndef MAX_BUFFER_SIZE
+//#define MAX_BUFFER_SIZE		(64*1024)
+#define MAX_BUFFER_SIZE		(256*1024)
+#endif
+#ifndef MAX_PERIOD_SIZE
+#define MAX_PERIOD_SIZE		MAX_BUFFER_SIZE
+#endif
+#ifndef USE_FORMATS
+//#define USE_FORMATS 		(SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE)
+#define USE_FORMATS 		SNDRV_PCM_FMTBIT_S16_LE
+#endif
+#ifndef USE_RATE
+//#define USE_RATE		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000
+#define USE_RATE		SNDRV_PCM_RATE_8000
+//#define USE_RATE_MIN		5500
+#define USE_RATE_MIN		8000
+//#define USE_RATE_MAX		48000
+#define USE_RATE_MAX		8000
+#endif
+#ifndef USE_CHANNELS_MIN
+#define USE_CHANNELS_MIN 	1
+#endif
+#ifndef USE_CHANNELS_MAX
+#define USE_CHANNELS_MAX 	2
+#endif
+#ifndef USE_PERIODS_MIN
+#define USE_PERIODS_MIN 	1
+#endif
+#ifndef USE_PERIODS_MAX
+#define USE_PERIODS_MAX 	1024
+#endif
+#ifndef add_playback_constraints
+#define add_playback_constraints(x) 0
+#endif
+#ifndef add_capture_constraints
+#define add_capture_constraints(x) 0
+#endif
+
+static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
+static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
+static int enable[SNDRV_CARDS] = { 1,[1 ... (SNDRV_CARDS - 1)] = 0 };
+static int pcm_devs[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1 };
+static int pcm_substreams[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 128 };
+
+//static int midi_devs[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
+
+module_param_array(index, int, NULL, 0444);
+MODULE_PARM_DESC(index, "Index value for dummy soundcard.");
+module_param_array(id, charp, NULL, 0444);
+MODULE_PARM_DESC(id, "ID string for dummy soundcard.");
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(enable, "Enable this dummy soundcard.");
+module_param_array(pcm_devs, int, NULL, 0444);
+MODULE_PARM_DESC(pcm_devs, "PCM devices # (0-4) for dummy driver.");
+module_param_array(pcm_substreams, int, NULL, 0444);
+MODULE_PARM_DESC(pcm_substreams, "PCM substreams # (1-64) for dummy driver.");
+//module_param_array(midi_devs, int, NULL, 0444);
+//MODULE_PARM_DESC(midi_devs, "MIDI devices # (0-2) for dummy driver.");
+
+static struct platform_device *devices[SNDRV_CARDS];
+static struct timer_list giovatimer;	//giova
+static int giovastarted = 0;
+static int giovaindex = 0;
+static spinlock_t giovalock;
+struct giovadpcm {
+	struct snd_pcm_substream *substream;
+	struct snd_dummy_pcm *dpcm;
+	int started;
+};
+static struct giovadpcm giovadpcms[MAX_PCM_SUBSTREAMS];
+
+#define MIXER_ADDR_MASTER	0
+#define MIXER_ADDR_LINE		1
+#define MIXER_ADDR_MIC		2
+#define MIXER_ADDR_SYNTH	3
+#define MIXER_ADDR_CD		4
+#define MIXER_ADDR_LAST		4
+
+static void snd_card_dummy_pcm_timer_function(unsigned long data);
+struct snd_dummy {
+	struct snd_card *card;
+	struct snd_pcm *pcm;
+	spinlock_t mixer_lock;
+	int mixer_volume[MIXER_ADDR_LAST + 1][2];
+	int capture_source[MIXER_ADDR_LAST + 1][2];
+};
+
+struct snd_dummy_pcm {
+	struct snd_dummy *dummy;
+	spinlock_t lock;
+	struct timer_list timer;
+	unsigned int pcm_buffer_size;
+	unsigned int pcm_period_size;
+	unsigned int pcm_bps;		/* bytes per second */
+	unsigned int pcm_hz;		/* HZ */
+	unsigned int pcm_irq_pos;	/* IRQ position */
+	unsigned int pcm_buf_pos;	/* position in buffer */
+	struct snd_pcm_substream *substream;
+};
+
+
+static inline void snd_card_dummy_pcm_timer_start(struct snd_dummy_pcm *dpcm)
+{
+	int i;
+	int found = 0;
+
+
+//printk("giova: 1 timer_start %d %p\n", __LINE__, dpcm);
+	for (i = 0; i < giovaindex + 1; i++) {
+		if (i > MAX_PCM_SUBSTREAMS || giovaindex > MAX_PCM_SUBSTREAMS) {
+			printk("giova, %s:%d, i=%d, giovaindex=%d dpcm=%p\n", __FILE__, __LINE__, i, giovaindex, dpcm);
+		}
+
+		if (giovadpcms[i].dpcm == dpcm) {
+			giovadpcms[i].started = 1;
+			found = 1;
+		}
+	}
+	if (!found) {
+		printk("skypiax: start, NOT found?\n");
+	}
+
+//printk("giova: 2 timer_start %d %p\n", __LINE__, dpcm);
+}
+
+static inline void snd_card_dummy_pcm_timer_stop(struct snd_dummy_pcm *dpcm)
+{
+	//del_timer(&dpcm->timer);
+	int i;
+	int found = 0;
+
+//printk("giova: 1 timer_stop %d %p\n", __LINE__, dpcm);
+	for (i = 0; i < giovaindex + 1; i++) {
+
+		if (i > MAX_PCM_SUBSTREAMS || giovaindex > MAX_PCM_SUBSTREAMS) {
+			printk("giova, %s:%d, i=%d, giovaindex=%d dpcm=%p\n", __FILE__, __LINE__, i, giovaindex, dpcm);
+		}
+		if (giovadpcms[i].dpcm == dpcm) {
+			giovadpcms[i].started = 0;
+			found = 1;
+		}
+	}
+	if (!found) {
+		//printk("skypiax: stop, NOT found?\n");
+	} else {
+		//printk("skypiax: stop, YES found!\n"); 
+	}
+
+
+
+//printk("giova: 2 timer_stop %d %p\n", __LINE__, dpcm);
+}
+
+static int snd_card_dummy_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_dummy_pcm *dpcm = runtime->private_data;
+	int err = 0;
+
+	//spin_lock(&dpcm->lock, flags);
+	spin_lock_bh(&giovalock);
+	switch (cmd) {
+	case SNDRV_PCM_TRIGGER_START:
+	case SNDRV_PCM_TRIGGER_RESUME:
+//printk("giova: trigger timer_start %d %p\n", __LINE__, dpcm);
+		snd_card_dummy_pcm_timer_start(dpcm);
+		break;
+	case SNDRV_PCM_TRIGGER_STOP:
+	case SNDRV_PCM_TRIGGER_SUSPEND:
+//printk("giova: trigger timer_stop %d %p\n", __LINE__, dpcm);
+		snd_card_dummy_pcm_timer_stop(dpcm);
+		break;
+	default:
+		err = -EINVAL;
+		break;
+	}
+	//spin_unlock(&dpcm->lock, flags);
+	spin_unlock_bh(&giovalock);
+	return 0;
+}
+
+static int snd_card_dummy_pcm_prepare(struct snd_pcm_substream *substream)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_dummy_pcm *dpcm = runtime->private_data;
+	int bps;
+
+	bps = snd_pcm_format_width(runtime->format) * runtime->rate * runtime->channels / 8;
+
+	if (bps <= 0)
+		return -EINVAL;
+
+	dpcm->pcm_bps = bps;
+	dpcm->pcm_hz = HZ;
+	dpcm->pcm_buffer_size = snd_pcm_lib_buffer_bytes(substream);
+	dpcm->pcm_period_size = snd_pcm_lib_period_bytes(substream);
+	dpcm->pcm_irq_pos = 0;
+	dpcm->pcm_buf_pos = 0;
+	snd_pcm_format_set_silence(runtime->format, runtime->dma_area, bytes_to_samples(runtime, runtime->dma_bytes));
+
+//printk("giova: prepare %d %p\n", __LINE__, dpcm);
+	return 0;
+}
+
+static void snd_card_dummy_pcm_timer_function(unsigned long data)
+{
+	//struct snd_dummy_pcm *dpcm = (struct snd_dummy_pcm *)data;
+	struct snd_dummy_pcm *dpcm = NULL;
+	//unsigned long flags;
+	int i;
+
+
+	giovatimer.expires = (HZ/100 * (GIOVAMULTI)) + jiffies;
+	add_timer(&giovatimer);
+
+	for (i = 0; i < giovaindex + 1; i++) {
+
+		if (i > MAX_PCM_SUBSTREAMS || giovaindex > MAX_PCM_SUBSTREAMS) {
+			printk("giova, %s:%d, i=%d, giovaindex=%d dpcm=%p\n", __FILE__, __LINE__, i, giovaindex, dpcm);
+		}
+//printk("giova: timer_func %d i=%d\n", __LINE__, i);
+
+		if (giovadpcms[i].started != 1)
+			continue;
+		dpcm = giovadpcms[i].dpcm;
+		if (dpcm == NULL) {
+			printk("giova: timer_func %d %d NULL: continue\n", __LINE__, i);
+			continue;
+		}
+		//spin_lock_bh(&dpcm->lock);
+		//if (in_irq())
+			//printk("giova: timer_func %d %d we are in HARDWARE IRQ\n", __LINE__, i);
+		//if(in_softirq())
+		//printk("giova: timer_func %d %d we are in SOFT IRQ\n", __LINE__, i);
+//printk("giova: timer_func %d %d\n", __LINE__, i);
+		//spin_lock_irqsave(&dpcm->lock, flags);
+		//LOCK spin_lock_bh(&dpcm->lock);
+//CICOPET printk("%d %s, dpcm=%p, dpcm->pcm_irq_pos=%u\t\t dpcm->pcm_bps=%u\t\t dpcm->pcm_buf_pos=%u\n", __LINE__, __FILE__, dpcm, dpcm->pcm_irq_pos, dpcm->pcm_bps,  dpcm->pcm_buf_pos);
+		//dpcm->pcm_irq_pos += dpcm->pcm_bps * ((HZ / 100) * GIOVAMULTI);
+		//dpcm->pcm_irq_pos += (dpcm->pcm_bps * ((HZ / 100) * GIOVAMULTI));
+		dpcm->pcm_irq_pos += (dpcm->pcm_bps * ( (HZ / 100) * GIOVAMULTI));
+//CICOPET printk("%d %s, dpcm=%p, dpcm->pcm_irq_pos=%u\t\t dpcm->pcm_bps=%u\t\t dpcm->pcm_buf_pos=%u\n", __LINE__, __FILE__, dpcm, dpcm->pcm_irq_pos, dpcm->pcm_bps,  dpcm->pcm_buf_pos);
+		//dpcm->pcm_buf_pos += (dpcm->pcm_bps * ((HZ / 100) * GIOVAMULTI));
+		dpcm->pcm_buf_pos += (dpcm->pcm_bps * ( (HZ / 100) * GIOVAMULTI));
+//CICOPET printk("%d %s, dpcm=%p, dpcm->pcm_irq_pos=%u\t\t dpcm->pcm_bps=%u\t\t dpcm->pcm_buf_pos=%u\n", __LINE__, __FILE__, dpcm, dpcm->pcm_irq_pos, dpcm->pcm_bps,  dpcm->pcm_buf_pos);
+		//dpcm->pcm_buf_pos %= (dpcm->pcm_buffer_size * dpcm->pcm_hz * GIOVAMULTI);
+		dpcm->pcm_buf_pos %= (dpcm->pcm_buffer_size * dpcm->pcm_hz );
+//BUONI printk("%d %s, dpcm=%p, dpcm->pcm_irq_pos=%u\t\t dpcm->pcm_bps=%u\t\t dpcm->pcm_buf_pos=%u (dpcm->pcm_period_size * dpcm->pcm_hz)=%u\n", __LINE__, __FILE__, dpcm, dpcm->pcm_irq_pos, dpcm->pcm_bps,  dpcm->pcm_buf_pos, (dpcm->pcm_period_size * dpcm->pcm_hz));
+		if (dpcm->pcm_irq_pos >= (dpcm->pcm_period_size * dpcm->pcm_hz)) {
+//CICOPET printk("%d %s, dpcm=%p, dpcm->pcm_irq_pos=%u\t\t dpcm->pcm_bps=%u\t\t dpcm->pcm_buf_pos=%u\n", __LINE__, __FILE__, dpcm, dpcm->pcm_irq_pos, dpcm->pcm_bps,  dpcm->pcm_buf_pos);
+			dpcm->pcm_irq_pos %= (dpcm->pcm_period_size * dpcm->pcm_hz);
+//BUONI printk("%d %s, dpcm=%p, dpcm->pcm_irq_pos=%u\t\t dpcm->pcm_bps=%u\t\t dpcm->pcm_buf_pos=%u PASSATO!\n", __LINE__, __FILE__, dpcm, dpcm->pcm_irq_pos, dpcm->pcm_bps,  dpcm->pcm_buf_pos);
+			//spin_unlock_irqrestore(&dpcm->lock, flags);
+			//spin_unlock_bh(&dpcm->lock);
+			snd_pcm_period_elapsed(dpcm->substream);
+		} else {
+			//spin_unlock_irqrestore(&dpcm->lock, flags);
+			//spin_unlock_bh(&dpcm->lock);
+		}
+	}
+}
+
+static snd_pcm_uframes_t snd_card_dummy_pcm_pointer(struct snd_pcm_substream *substream)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_dummy_pcm *dpcm = runtime->private_data;
+
+snd_pcm_uframes_t ciapa=0;
+
+		//spin_lock_bh(&dpcm->lock);
+//ciapa = (dpcm->pcm_buf_pos / dpcm->pcm_hz) / (dpcm->pcm_bps/8000);
+//ciapa = bytes_to_frames(runtime, (dpcm->pcm_buf_pos / (dpcm->pcm_hz ))) / GIOVAMULTI;
+//printk("%d %s, dpcm=%p, dpcm->pcm_irq_pos=%u\t\t dpcm->pcm_bps=%u\t\t dpcm->pcm_buf_pos=%u, ciapa=%u\n", __LINE__, __FILE__, dpcm, dpcm->pcm_irq_pos, dpcm->pcm_bps,  dpcm->pcm_buf_pos, ciapa);
+ciapa = bytes_to_frames(runtime, (dpcm->pcm_buf_pos / (dpcm->pcm_hz )));
+
+		//spin_unlock_bh(&dpcm->lock);
+//printk("%d %s, dpcm=%p, dpcm->pcm_irq_pos=%u\t\t dpcm->pcm_bps=%u\t\t dpcm->pcm_buf_pos=%u, ciapa=%u\n", __LINE__, __FILE__, dpcm, dpcm->pcm_irq_pos, dpcm->pcm_bps,  dpcm->pcm_buf_pos, (unsigned int)ciapa);
+return ciapa;
+	//return bytes_to_frames(runtime, (dpcm->pcm_buf_pos / (dpcm->pcm_hz )) / GIOVAMULTI);
+	//return (dpcm->pcm_buf_pos / dpcm->pcm_hz) / (dpcm->pcm_bps/8000);
+}
+
+static struct snd_pcm_hardware snd_card_dummy_playback = {
+	.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID),
+	.formats = USE_FORMATS,
+	.rates = USE_RATE,
+	.rate_min = USE_RATE_MIN,
+	.rate_max = USE_RATE_MAX,
+	.channels_min = USE_CHANNELS_MIN,
+	.channels_max = USE_CHANNELS_MAX,
+	.buffer_bytes_max = MAX_BUFFER_SIZE,
+	.period_bytes_min = 64,
+	.period_bytes_max = MAX_PERIOD_SIZE,
+	.periods_min = USE_PERIODS_MIN,
+	.periods_max = USE_PERIODS_MAX,
+	.fifo_size = 0,
+};
+
+static struct snd_pcm_hardware snd_card_dummy_capture = {
+	.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID),
+	.formats = USE_FORMATS,
+	.rates = USE_RATE,
+	.rate_min = USE_RATE_MIN,
+	.rate_max = USE_RATE_MAX,
+	.channels_min = USE_CHANNELS_MIN,
+	.channels_max = USE_CHANNELS_MAX,
+	.buffer_bytes_max = MAX_BUFFER_SIZE,
+	.period_bytes_min = 64,
+	.period_bytes_max = MAX_PERIOD_SIZE,
+	.periods_min = USE_PERIODS_MIN,
+	.periods_max = USE_PERIODS_MAX,
+	.fifo_size = 0,
+};
+
+static void snd_card_dummy_runtime_free(struct snd_pcm_runtime *runtime)
+{
+	int i;
+//int found=0;
+
+//printk("snd_card_dummy_runtime_free giova 1 giovaindex=%d dpcm=%p runtime=%p\n", giovaindex, runtime->private_data, runtime);
+	spin_lock_bh(&giovalock);
+
+	for (i = 0; i < giovaindex; i++) {
+
+		if (i > MAX_PCM_SUBSTREAMS || giovaindex > MAX_PCM_SUBSTREAMS) {
+			printk("giova, %s:%d, i=%d, giovaindex=%d \n", __FILE__, __LINE__, i, giovaindex);
+		}
+		//if((giovadpcms[i].substream == substream)  && (giovadpcms[i].dpcm == dpcm)){
+		if ((giovadpcms[i].dpcm == runtime->private_data)) {
+			//printk("giova, %s:%d, i=%d, giovaindex=%d %p==%p YES I AM!!!!\n", __FILE__, __LINE__, i, giovaindex, giovadpcms[i].dpcm , runtime->private_data);
+			//giovadpcms[i].dpcm = NULL;
+			//giovadpcms[i].substream = NULL;
+			giovadpcms[i].started = 0;
+			//break;
+		} else {
+			//printk("giova, %s:%d, i=%d, giovaindex=%d %p!=%p NOT ME\n", __FILE__, __LINE__, i, giovaindex, giovadpcms[i].dpcm , runtime->private_data);
+		}
+	}
+
+	spin_unlock_bh(&giovalock);
+	kfree(runtime->private_data);
+}
+
+static int snd_card_dummy_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params)
+{
+	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
+}
+
+static int snd_card_dummy_hw_free(struct snd_pcm_substream *substream)
+{
+	return snd_pcm_lib_free_pages(substream);
+}
+
+static struct snd_dummy_pcm *new_pcm_stream(struct snd_pcm_substream *substream)
+{
+	struct snd_dummy_pcm *dpcm;
+	int i;
+	int found = 0;
+
+	//printk("giova, %s:%d, i=%d, giovaindex=%d %p==%p YES I AM!!!!\n", __FILE__, __LINE__, i, giovaindex, giovadpcms[i].dpcm , runtime->private_data);
+	//printk("giova, %s:%d, giovaindex=%d\n", __FILE__, __LINE__, giovaindex);
+	dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL);
+	//printk("giova, %s:%d, giovaindex=%d\n", __FILE__, __LINE__, giovaindex);
+	if (!dpcm) {
+		//spin_unlock_bh(&giovalock);
+		printk("giova, %s:%d, giovaindex=%d NO MEMORY!!!!\n", __FILE__, __LINE__, giovaindex);
+		return dpcm;
+	}
+	//printk("giova, %s:%d, giovaindex=%d dpcm=%p\n", __FILE__, __LINE__, giovaindex, dpcm);
+	init_timer(&dpcm->timer);
+	//dpcm->timer.data = (unsigned long) dpcm;
+	//dpcm->timer.function = snd_card_dummy_pcm_timer_function;
+	spin_lock_init(&dpcm->lock);
+	dpcm->substream = substream;
+
+	spin_lock_bh(&giovalock);
+	//printk("giova 1 giovaindex=%d dpcm=%p substream=%p sizeof=%lu\n", giovaindex, dpcm, substream, sizeof(*dpcm));
+	for (i = 0; i < giovaindex; i++) {
+
+		if (i > MAX_PCM_SUBSTREAMS || giovaindex > MAX_PCM_SUBSTREAMS) {
+			printk("giova, %s:%d, i=%d, giovaindex=%d dpcm=%p\n", __FILE__, __LINE__, i, giovaindex, dpcm);
+		}
+		//if((giovadpcms[i].substream == substream)  && (giovadpcms[i].dpcm == dpcm))
+		if ((giovadpcms[i].substream == substream)) {
+			found = 1;
+			break;
+		}
+
+	}
+
+	if (!found) {
+
+		giovadpcms[giovaindex].substream = substream;
+		giovaindex++;
+		//printk("giova 2 giovaindex=%d dpcm=%p substream=%p\n", giovaindex, dpcm, substream);
+	}
+
+
+
+	found = 0;
+	for (i = 0; i < giovaindex; i++) {
+
+		if (i > MAX_PCM_SUBSTREAMS || giovaindex > MAX_PCM_SUBSTREAMS) {
+			printk("giova, %s:%d, i=%d, giovaindex=%d dpcm=%p\n", __FILE__, __LINE__, i, giovaindex, dpcm);
+		}
+		if (giovadpcms[i].substream == substream) {
+			giovadpcms[i].dpcm = dpcm;
+			giovadpcms[i].started = 0;
+			found = 1;
+			//printk("giova 3 giovaindex=%d dpcm=%p substream=%p\n", giovaindex, dpcm, substream);
+			break;
+		}
+
+	}
+
+	spin_unlock_bh(&giovalock);
+	if (!found) {
+		printk("skypiax giovaindex=%d NOT found????\n", giovaindex);
+	}
+	//printk("giova, %s:%d, giovaindex=%d\n", __FILE__, __LINE__, giovaindex);
+	return dpcm;
+}
+
+static int snd_card_dummy_playback_open(struct snd_pcm_substream *substream)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_dummy_pcm *dpcm;
+	int err;
+
+	if ((dpcm = new_pcm_stream(substream)) == NULL)
+		return -ENOMEM;
+	//printk("giova, %s:%d, giovaindex=%d dpcm=%p\n", __FILE__, __LINE__, giovaindex, dpcm);
+	runtime->private_data = dpcm;
+	/* makes the infrastructure responsible for freeing dpcm */
+	runtime->private_free = snd_card_dummy_runtime_free;
+	runtime->hw = snd_card_dummy_playback;
+	if (substream->pcm->device & 1) {
+		runtime->hw.info &= ~SNDRV_PCM_INFO_INTERLEAVED;
+		runtime->hw.info |= SNDRV_PCM_INFO_NONINTERLEAVED;
+	}
+	if (substream->pcm->device & 2)
+		runtime->hw.info &= ~(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID);
+	err = add_playback_constraints(runtime);
+	if (err < 0)
+		return err;
+
+	return 0;
+}
+
+static int snd_card_dummy_capture_open(struct snd_pcm_substream *substream)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_dummy_pcm *dpcm;
+	int err;
+
+	if ((dpcm = new_pcm_stream(substream)) == NULL)
+		return -ENOMEM;
+	//printk("giova, %s:%d, giovaindex=%d dpcm=%p\n", __FILE__, __LINE__, giovaindex, dpcm);
+	runtime->private_data = dpcm;
+	/* makes the infrastructure responsible for freeing dpcm */
+	runtime->private_free = snd_card_dummy_runtime_free;
+	runtime->hw = snd_card_dummy_capture;
+	if (substream->pcm->device == 1) {
+		runtime->hw.info &= ~SNDRV_PCM_INFO_INTERLEAVED;
+		runtime->hw.info |= SNDRV_PCM_INFO_NONINTERLEAVED;
+	}
+	if (substream->pcm->device & 2)
+		runtime->hw.info &= ~(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID);
+	err = add_capture_constraints(runtime);
+	if (err < 0)
+		return err;
+
+	return 0;
+}
+
+static int snd_card_dummy_playback_close(struct snd_pcm_substream *substream)
+{
+//printk("play giova 1 giovaindex=%d dpcm=%p substream=%p\n", giovaindex, substream->private_data, substream);
+	snd_card_dummy_pcm_timer_stop(substream->private_data);
+	return 0;
+}
+
+static int snd_card_dummy_capture_close(struct snd_pcm_substream *substream)
+{
+//printk("capt giova 2 giovaindex=%d dpcm=%p substream=%p\n", giovaindex, substream->private_data, substream);
+	snd_card_dummy_pcm_timer_stop(substream->private_data);
+	return 0;
+}
+
+static struct snd_pcm_ops snd_card_dummy_playback_ops = {
+	.open = snd_card_dummy_playback_open,
+	.close = snd_card_dummy_playback_close,
+	.ioctl = snd_pcm_lib_ioctl,
+	.hw_params = snd_card_dummy_hw_params,
+	.hw_free = snd_card_dummy_hw_free,
+	.prepare = snd_card_dummy_pcm_prepare,
+	.trigger = snd_card_dummy_pcm_trigger,
+	.pointer = snd_card_dummy_pcm_pointer,
+};
+
+static struct snd_pcm_ops snd_card_dummy_capture_ops = {
+	.open = snd_card_dummy_capture_open,
+	.close = snd_card_dummy_capture_close,
+	.ioctl = snd_pcm_lib_ioctl,
+	.hw_params = snd_card_dummy_hw_params,
+	.hw_free = snd_card_dummy_hw_free,
+	.prepare = snd_card_dummy_pcm_prepare,
+	.trigger = snd_card_dummy_pcm_trigger,
+	.pointer = snd_card_dummy_pcm_pointer,
+};
+
+static int __devinit snd_card_dummy_pcm(struct snd_dummy *dummy, int device, int substreams)
+{
+	struct snd_pcm *pcm;
+	int err;
+
+	err = snd_pcm_new(dummy->card, "Dummy PCM", device, substreams, substreams, &pcm);
+	if (err < 0)
+		return err;
+	dummy->pcm = pcm;
+	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_card_dummy_playback_ops);
+	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_card_dummy_capture_ops);
+	pcm->private_data = dummy;
+	pcm->info_flags = 0;
+	strcpy(pcm->name, "Dummy PCM");
+	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS, snd_dma_continuous_data(GFP_KERNEL), 128 * 1024, 1024 * 1024);
+
+	return 0;
+}
+
+#define DUMMY_VOLUME(xname, xindex, addr) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+  .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
+  .name = xname, .index = xindex, \
+  .info = snd_dummy_volume_info, \
+  .get = snd_dummy_volume_get, .put = snd_dummy_volume_put, \
+  .private_value = addr, \
+  .tlv = { .p = db_scale_dummy } }
+
+static int snd_dummy_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+	uinfo->count = 2;
+	uinfo->value.integer.min = -50;
+	uinfo->value.integer.max = 100;
+	return 0;
+}
+
+static int snd_dummy_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_dummy *dummy = snd_kcontrol_chip(kcontrol);
+	int addr = kcontrol->private_value;
+	//unsigned long flags;
+
+	if (in_irq())
+		printk("giova: line %d we are in HARDWARE IRQ\n", __LINE__);
+//printk("giova: volume get %d %d\n", __LINE__, addr);
+	//spin_lock_irq(&dummy->mixer_lock);
+	//spin_lock_irqsave(&dummy->mixer_lock, flags);
+	spin_lock_bh(&dummy->mixer_lock);
+	ucontrol->value.integer.value[0] = dummy->mixer_volume[addr][0];
+	ucontrol->value.integer.value[1] = dummy->mixer_volume[addr][1];
+	//spin_unlock_irqrestore(&dummy->mixer_lock, flags);
+	spin_unlock_bh(&dummy->mixer_lock);
+	return 0;
+}
+
+static int snd_dummy_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_dummy *dummy = snd_kcontrol_chip(kcontrol);
+	int change, addr = kcontrol->private_value;
+	int left, right;
+	//unsigned long flags;
+
+	if (in_irq())
+		printk("giova: line %d we are in HARDWARE IRQ\n", __LINE__);
+	left = ucontrol->value.integer.value[0];
+	if (left < -50)
+		left = -50;
+	if (left > 100)
+		left = 100;
+	right = ucontrol->value.integer.value[1];
+	if (right < -50)
+		right = -50;
+	if (right > 100)
+		right = 100;
+//printk("giova: volume put %d %d\n", __LINE__, addr);
+	//spin_lock_irq(&dummy->mixer_lock);
+	//spin_lock_irqsave(&dummy->mixer_lock, flags);
+	spin_lock_bh(&dummy->mixer_lock);
+	change = dummy->mixer_volume[addr][0] != left || dummy->mixer_volume[addr][1] != right;
+	dummy->mixer_volume[addr][0] = left;
+	dummy->mixer_volume[addr][1] = right;
+	//spin_unlock_irq(&dummy->mixer_lock);
+	//spin_unlock_irqrestore(&dummy->mixer_lock, flags);
+	spin_unlock_bh(&dummy->mixer_lock);
+	return change;
+}
+
+static const DECLARE_TLV_DB_SCALE(db_scale_dummy, -4500, 30, 0);
+
+#define DUMMY_CAPSRC(xname, xindex, addr) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
+  .info = snd_dummy_capsrc_info, \
+  .get = snd_dummy_capsrc_get, .put = snd_dummy_capsrc_put, \
+  .private_value = addr }
+
+#define snd_dummy_capsrc_info	snd_ctl_boolean_stereo_info
+
+static int snd_dummy_capsrc_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_dummy *dummy = snd_kcontrol_chip(kcontrol);
+	int addr = kcontrol->private_value;
+	//unsigned long flags;
+
+	if (in_irq())
+		printk("giova: line %d we are in HARDWARE IRQ\n", __LINE__);
+	//spin_lock_irq(&dummy->mixer_lock);
+	//spin_lock_irqsave(&dummy->mixer_lock, flags);
+	spin_lock_bh(&dummy->mixer_lock);
+	ucontrol->value.integer.value[0] = dummy->capture_source[addr][0];
+	ucontrol->value.integer.value[1] = dummy->capture_source[addr][1];
+	//spin_unlock_irq(&dummy->mixer_lock);
+	//spin_unlock_irqrestore(&dummy->mixer_lock, flags);
+	spin_unlock_bh(&dummy->mixer_lock);
+//printk("giova: capsrc_get %d %d\n", __LINE__, addr);
+	return 0;
+}
+
+static int snd_dummy_capsrc_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_dummy *dummy = snd_kcontrol_chip(kcontrol);
+	int change, addr = kcontrol->private_value;
+	int left, right;
+	//unsigned long flags;
+
+	if (in_irq())
+		printk("giova: line %d we are in HARDWARE IRQ\n", __LINE__);
+	left = ucontrol->value.integer.value[0] & 1;
+	right = ucontrol->value.integer.value[1] & 1;
+	//spin_lock_irq(&dummy->mixer_lock);
+	//spin_lock_irqsave(&dummy->mixer_lock, flags);
+	spin_lock_bh(&dummy->mixer_lock);
+	change = dummy->capture_source[addr][0] != left && dummy->capture_source[addr][1] != right;
+	dummy->capture_source[addr][0] = left;
+	dummy->capture_source[addr][1] = right;
+	//spin_unlock_irq(&dummy->mixer_lock);
+	//spin_unlock_irqrestore(&dummy->mixer_lock, flags);
+	spin_unlock_bh(&dummy->mixer_lock);
+//printk("giova: capsrc_put %d %d\n", __LINE__, addr);
+	return change;
+}
+
+static struct snd_kcontrol_new snd_dummy_controls[] = {
+	DUMMY_VOLUME("Master Volume", 0, MIXER_ADDR_MASTER),
+	DUMMY_CAPSRC("Master Capture Switch", 0, MIXER_ADDR_MASTER),
+	DUMMY_VOLUME("Synth Volume", 0, MIXER_ADDR_SYNTH),
+	DUMMY_CAPSRC("Synth Capture Switch", 0, MIXER_ADDR_SYNTH),
+	DUMMY_VOLUME("Line Volume", 0, MIXER_ADDR_LINE),
+	DUMMY_CAPSRC("Line Capture Switch", 0, MIXER_ADDR_LINE),
+	DUMMY_VOLUME("Mic Volume", 0, MIXER_ADDR_MIC),
+	DUMMY_CAPSRC("Mic Capture Switch", 0, MIXER_ADDR_MIC),
+	DUMMY_VOLUME("CD Volume", 0, MIXER_ADDR_CD),
+	DUMMY_CAPSRC("CD Capture Switch", 0, MIXER_ADDR_CD)
+};
+
+static int __devinit snd_card_dummy_new_mixer(struct snd_dummy *dummy)
+{
+	struct snd_card *card = dummy->card;
+	unsigned int idx;
+	int err;
+
+	//giova if (snd_BUG_ON(!dummy))
+	//giova return -EINVAL;
+	spin_lock_init(&dummy->mixer_lock);
+	strcpy(card->mixername, "Dummy Mixer");
+//printk("giova: new_mixer %d\n", __LINE__);
+	return 0;					//giova no mixer
+
+	for (idx = 0; idx < ARRAY_SIZE(snd_dummy_controls); idx++) {
+		err = snd_ctl_add(card, snd_ctl_new1(&snd_dummy_controls[idx], dummy));
+		if (err < 0)
+			return err;
+	}
+	return 0;
+}
+
+static int __devinit snd_dummy_probe(struct platform_device *devptr)
+{
+	struct snd_card *card;
+	struct snd_dummy *dummy;
+	int idx, err;
+	int dev = devptr->id;
+
+	card = snd_card_new(index[dev], id[dev], THIS_MODULE, sizeof(struct snd_dummy));
+	if (card == NULL)
+		return -ENOMEM;
+
+	//giova err = snd_card_create(index[dev], id[dev], THIS_MODULE,
+	//giova sizeof(struct snd_dummy), &card);
+	//giova if (err < 0)
+	//giova return err;
+	dummy = card->private_data;
+	dummy->card = card;
+	for (idx = 0; idx < MAX_PCM_DEVICES && idx < pcm_devs[dev]; idx++) {
+		if (pcm_substreams[dev] < 1)
+			pcm_substreams[dev] = 1;
+		if (pcm_substreams[dev] > MAX_PCM_SUBSTREAMS)
+			pcm_substreams[dev] = MAX_PCM_SUBSTREAMS;
+		err = snd_card_dummy_pcm(dummy, idx, pcm_substreams[dev]);
+		if (err < 0)
+			goto __nodev;
+	}
+	err = snd_card_dummy_new_mixer(dummy);
+	if (err < 0)
+		goto __nodev;
+	strcpy(card->driver, "Dummy");
+	strcpy(card->shortname, "Dummy");
+	sprintf(card->longname, "Dummy %i", dev + 1);
+
+	snd_card_set_dev(card, &devptr->dev);
+
+	err = snd_card_register(card);
+	if (err == 0) {
+		platform_set_drvdata(devptr, card);
+		return 0;
+	}
+  __nodev:
+	snd_card_free(card);
+	return err;
+}
+
+static int __devexit snd_dummy_remove(struct platform_device *devptr)
+{
+
+	del_timer(&giovatimer);
+	snd_card_free(platform_get_drvdata(devptr));
+	platform_set_drvdata(devptr, NULL);
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int snd_dummy_suspend(struct platform_device *pdev, pm_message_t state)
+{
+	struct snd_card *card = platform_get_drvdata(pdev);
+	struct snd_dummy *dummy = card->private_data;
+
+	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
+	snd_pcm_suspend_all(dummy->pcm);
+	return 0;
+}
+
+static int snd_dummy_resume(struct platform_device *pdev)
+{
+	struct snd_card *card = platform_get_drvdata(pdev);
+
+	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
+	return 0;
+}
+#endif
+
+#define SND_DUMMY_DRIVER	"snd_dummy"
+
+static struct platform_driver snd_dummy_driver = {
+	.probe = snd_dummy_probe,
+	.remove = __devexit_p(snd_dummy_remove),
+#ifdef CONFIG_PM
+	.suspend = snd_dummy_suspend,
+	.resume = snd_dummy_resume,
+#endif
+	.driver = {
+			   .name = SND_DUMMY_DRIVER},
+};
+
+static void snd_dummy_unregister_all(void)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(devices); ++i)
+		platform_device_unregister(devices[i]);
+	platform_driver_unregister(&snd_dummy_driver);
+}
+
+static int __init alsa_card_dummy_init(void)
+{
+	int i, cards, err;
+
+	err = platform_driver_register(&snd_dummy_driver);
+	if (err < 0)
+		return err;
+
+	if (!giovastarted) {
+		giovastarted = 1;
+		spin_lock_init(&giovalock);
+
+		spin_lock_bh(&giovalock);
+		for (i = 0; i < MAX_PCM_SUBSTREAMS; i++) {
+
+			if (i > MAX_PCM_SUBSTREAMS || giovaindex > MAX_PCM_SUBSTREAMS) {
+				printk("giova, %s:%d, i=%d, giovaindex=%d \n", __FILE__, __LINE__, i, giovaindex);
+			}
+			giovadpcms[i].substream = NULL;
+			giovadpcms[i].dpcm = NULL;
+			giovadpcms[i].started = 0;
+		}
+		init_timer(&giovatimer);
+		//giovatimer.data = (unsigned long) dpcm;
+		giovatimer.data = (unsigned long) &giovadpcms;
+		giovatimer.function = snd_card_dummy_pcm_timer_function;
+		giovatimer.expires = ((HZ / 1000) *GIOVAMULTI)+ jiffies;
+		add_timer(&giovatimer);
+		printk("003 snd-dummy skypiax driver, %s:%d working on a machine with %dHZ kernel\n", __FILE__, __LINE__, HZ);
+		spin_unlock_bh(&giovalock);
+	}
+
+
+	cards = 0;
+	for (i = 0; i < SNDRV_CARDS; i++) {
+		struct platform_device *device;
+		if (!enable[i])
+			continue;
+		device = platform_device_register_simple(SND_DUMMY_DRIVER, i, NULL, 0);
+		if (IS_ERR(device))
+			continue;
+		if (!platform_get_drvdata(device)) {
+			platform_device_unregister(device);
+			continue;
+		}
+		devices[i] = device;
+		cards++;
+	}
+	if (!cards) {
+#ifdef MODULE
+		printk(KERN_ERR "Dummy soundcard not found or device busy\n");
+#endif
+		snd_dummy_unregister_all();
+		return -ENODEV;
+	}
+	return 0;
+}
+
+static void __exit alsa_card_dummy_exit(void)
+{
+	del_timer(&giovatimer);
+	snd_dummy_unregister_all();
+}
+
+module_init(alsa_card_dummy_init)
+	module_exit(alsa_card_dummy_exit)

src/mod/endpoints/mod_skypiax/073_low_latency/mod_skypiax.2008.vcproj

@@ -0,0 +1,164 @@
+<?xml version="1.0" encoding="Windows-1252"?>
+<VisualStudioProject
+	ProjectType="Visual C++"
+	Version="9.00"
+	Name="mod_skypiax"
+	ProjectGUID="{C6E78A4C-DB1E-47F4-9B63-4DC27D86343F}"
+	RootNamespace="mod_skypiax"
+	Keyword="Win32Proj"
+	TargetFrameworkVersion="131072"
+	>
+	<Platforms>
+		<Platform
+			Name="Win32"
+		/>
+	</Platforms>
+	<ToolFiles>
+	</ToolFiles>
+	<Configurations>
+		<Configuration
+			Name="Debug|Win32"
+			ConfigurationType="2"
+			InheritedPropertySheets="..\..\..\..\w32\module_debug.vsprops"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				UsePrecompiledHeader="0"
+				WarningLevel="4"
+				WarnAsError="false"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalOptions="rpcrt4.lib "
+				RandomizedBaseAddress="1"
+				DataExecutionPrevention="0"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="Release|Win32"
+			ConfigurationType="2"
+			InheritedPropertySheets="..\..\..\..\w32\module_release.vsprops"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				UsePrecompiledHeader="0"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalOptions="rpcrt4.lib "
+				RandomizedBaseAddress="1"
+				DataExecutionPrevention="0"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+	</Configurations>
+	<References>
+	</References>
+	<Files>
+		<File
+			RelativePath="..\mod_skypiax\mod_skypiax.c"
+			>
+		</File>
+		<File
+			RelativePath=".\skypiax.h"
+			>
+		</File>
+		<File
+			RelativePath=".\skypiax_protocol.c"
+			>
+		</File>
+	</Files>
+	<Globals>
+	</Globals>
+</VisualStudioProject>

src/mod/endpoints/mod_skypiax/073_low_latency/mod_skypiax.log

@@ -0,0 +1,5 @@
+gcc -shared  .libs/mod_skypiax_la-mod_skypiax.o .libs/mod_skypiax_la-skypiax_protocol.o  -Wl,--rpath -Wl,/usr/src/freeswitch/.libs -Wl,--rpath -Wl,/usr/local/freeswitch/lib -lm -lX11 /usr/src/freeswitch/.libs/libfreeswitch.so -L/usr/src/freeswitch/libs/apr-util/xml/expat/lib -L/usr/src/freeswitch/libs/apr-util/xml/expat/lib/.libs -L/usr/src/freeswitch/libs/apr/.libs -L/usr/src/freeswitch/libs/srtp -lncurses  -Wl,-soname -Wl,mod_skypiax.so -o .libs/mod_skypiax.so
+ar cru .libs/mod_skypiax.a  mod_skypiax_la-mod_skypiax.o mod_skypiax_la-skypiax_protocol.o
+ranlib .libs/mod_skypiax.a
+creating mod_skypiax.la
+(cd .libs && rm -f mod_skypiax.la && ln -s ../mod_skypiax.la mod_skypiax.la)

src/mod/endpoints/mod_skypiax/073_low_latency/skypiax.h

@@ -0,0 +1,332 @@
+/*
+ * FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ * Copyright (C) 2005/2006, Anthony Minessale II <anthmct@yahoo.com>
+ *
+ * Version: MPL 1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ *
+ * The Initial Developer of the Original Code is
+ * Anthony Minessale II <anthmct@yahoo.com>
+ * Portions created by the Initial Developer are Copyright (C)
+ * the Initial Developer. All Rights Reserved.
+ *
+ * This module (mod_skypiax) has been contributed by:
+ *
+ * Giovanni Maruzzelli (gmaruzz@gmail.com)
+ *
+ *
+ * Further Contributors:
+ *
+ *
+ *
+ * mod_skypiax.c -- Skype compatible Endpoint Module
+ *
+ */
+
+#include <switch.h>
+#include <switch_version.h>
+
+#ifndef WIN32
+#include <sys/time.h>
+#include <X11/Xlib.h>
+#include <X11/Xlibint.h>
+#include <X11/Xatom.h>
+#endif //WIN32
+
+#ifdef _MSC_VER
+//Windows macro  for FD_SET includes a warning C4127: conditional expression is constant
+#pragma warning(push)
+#pragma warning(disable:4127)
+#endif
+
+#define MY_EVENT_INCOMING_CHATMESSAGE "skypiax::incoming_chatmessage"
+
+#define SAMPLERATE_SKYPIAX 16000
+#define SAMPLES_PER_FRAME SAMPLERATE_SKYPIAX/50
+
+#ifndef SKYPIAX_SVN_VERSION
+#define SKYPIAX_SVN_VERSION SWITCH_VERSION_REVISION
+#endif /* SKYPIAX_SVN_VERSION */
+
+typedef enum {
+	TFLAG_IO = (1 << 0),
+	TFLAG_INBOUND = (1 << 1),
+	TFLAG_OUTBOUND = (1 << 2),
+	TFLAG_DTMF = (1 << 3),
+	TFLAG_VOICE = (1 << 4),
+	TFLAG_HANGUP = (1 << 5),
+	TFLAG_LINEAR = (1 << 6),
+	TFLAG_CODEC = (1 << 7),
+	TFLAG_BREAK = (1 << 8)
+} TFLAGS;
+
+typedef enum {
+	GFLAG_MY_CODEC_PREFS = (1 << 0)
+} GFLAGS;
+
+#define DEBUGA_SKYPE(...)  switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, 		"rev "SKYPIAX_SVN_VERSION "[%p|%-7lx][DEBUG_SKYPE  %-5d][%-10s][%2d,%2d,%2d] " __VA_ARGS__ );
+#define DEBUGA_CALL(...)  switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, 		"rev "SKYPIAX_SVN_VERSION "[%p|%-7lx][DEBUG_CALL  %-5d][%-10s][%2d,%2d,%2d] " __VA_ARGS__ );
+#define DEBUGA_PBX(...)  switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, 		"rev "SKYPIAX_SVN_VERSION "[%p|%-7lx][DEBUG_PBX  %-5d][%-10s][%2d,%2d,%2d] " __VA_ARGS__ );
+#define ERRORA(...)  switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, 		"rev "SKYPIAX_SVN_VERSION "[%p|%-7lx][ERRORA  %-5d][%-10s][%2d,%2d,%2d] " __VA_ARGS__ );
+#define WARNINGA(...)  switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, 		"rev "SKYPIAX_SVN_VERSION "[%p|%-7lx][WARNINGA  %-5d][%-10s][%2d,%2d,%2d] " __VA_ARGS__ );
+#define NOTICA(...)  switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, 		"rev "SKYPIAX_SVN_VERSION "[%p|%-7lx][NOTICA  %-5d][%-10s][%2d,%2d,%2d] " __VA_ARGS__ );
+
+#define SKYPIAX_P_LOG NULL, (unsigned long)55, __LINE__, tech_pvt ? tech_pvt->name ? tech_pvt->name : "none" : "none", -1, tech_pvt ? tech_pvt->interface_state : -1, tech_pvt ? tech_pvt->skype_callflow : -1
+
+/*********************************/
+#define SKYPIAX_CAUSE_NORMAL		1
+/*********************************/
+#define SKYPIAX_FRAME_DTMF			1
+/*********************************/
+#define SKYPIAX_CONTROL_RINGING		1
+#define SKYPIAX_CONTROL_ANSWER		2
+
+/*********************************/
+#define		SKYPIAX_STATE_IDLE					0
+#define		SKYPIAX_STATE_DOWN					1
+#define		SKYPIAX_STATE_RING					2
+#define		SKYPIAX_STATE_DIALING				3
+#define		SKYPIAX_STATE_BUSY					4
+#define		SKYPIAX_STATE_UP					5
+#define		SKYPIAX_STATE_RINGING				6
+#define		SKYPIAX_STATE_PRERING				7
+#define		SKYPIAX_STATE_ERROR_DOUBLE_CALL		8
+#define		SKYPIAX_STATE_SELECTED				9
+#define 	SKYPIAX_STATE_HANGUP_REQUESTED		10
+#define		SKYPIAX_STATE_PREANSWER				11
+/*********************************/
+/* call flow from the device */
+#define 	CALLFLOW_CALL_IDLE					0
+#define 	CALLFLOW_CALL_DOWN					1
+#define 	CALLFLOW_INCOMING_RING				2
+#define 	CALLFLOW_CALL_DIALING				3
+#define 	CALLFLOW_CALL_LINEBUSY				4
+#define 	CALLFLOW_CALL_ACTIVE				5
+#define 	CALLFLOW_INCOMING_HANGUP			6
+#define 	CALLFLOW_CALL_RELEASED				7
+#define 	CALLFLOW_CALL_NOCARRIER				8
+#define 	CALLFLOW_CALL_INFLUX				9
+#define 	CALLFLOW_CALL_INCOMING				10
+#define 	CALLFLOW_CALL_FAILED				11
+#define 	CALLFLOW_CALL_NOSERVICE				12
+#define 	CALLFLOW_CALL_OUTGOINGRESTRICTED	13
+#define 	CALLFLOW_CALL_SECURITYFAIL			14
+#define 	CALLFLOW_CALL_NOANSWER				15
+#define 	CALLFLOW_STATUS_FINISHED			16
+#define 	CALLFLOW_STATUS_CANCELLED			17
+#define 	CALLFLOW_STATUS_FAILED				18
+#define 	CALLFLOW_STATUS_REFUSED				19
+#define 	CALLFLOW_STATUS_RINGING				20
+#define 	CALLFLOW_STATUS_INPROGRESS			21
+#define 	CALLFLOW_STATUS_UNPLACED			22
+#define 	CALLFLOW_STATUS_ROUTING				23
+#define 	CALLFLOW_STATUS_EARLYMEDIA			24
+#define 	CALLFLOW_INCOMING_CALLID			25
+#define 	CALLFLOW_STATUS_REMOTEHOLD			26
+
+/*********************************/
+
+#define SKYPIAX_MAX_INTERFACES 64
+
+#ifndef WIN32
+struct SkypiaxHandles {
+	Window skype_win;
+	Display *disp;
+	Window win;
+	int currentuserhandle;
+	int api_connected;
+	int fdesc[2];
+};
+#else //WIN32
+
+struct SkypiaxHandles {
+	HWND win32_hInit_MainWindowHandle;
+	HWND win32_hGlobal_SkypeAPIWindowHandle;
+	HINSTANCE win32_hInit_ProcessHandle;
+	char win32_acInit_WindowClassName[128];
+	UINT win32_uiGlobal_MsgID_SkypeControlAPIAttach;
+	UINT win32_uiGlobal_MsgID_SkypeControlAPIDiscover;
+	int currentuserhandle;
+	int api_connected;
+	switch_file_t *fdesc[2];
+};
+#endif //WIN32
+
+#define MAX_CHATS 10
+
+struct chat {
+	char chatname[256];
+	char dialog_partner[256];
+};
+typedef struct chat chat_t;
+
+#define MAX_CHATMESSAGES 10
+
+struct chatmessage {
+	char id[256];
+	char type[256];
+	char chatname[256];
+	char from_handle[256];
+	char from_dispname[256];
+	char body[512];
+};
+typedef struct chatmessage chatmessage_t;
+struct private_object {
+	unsigned int flags;
+	switch_codec_t read_codec;
+	switch_codec_t write_codec;
+	switch_frame_t read_frame;
+	unsigned char databuf[SWITCH_RECOMMENDED_BUFFER_SIZE];
+	char session_uuid_str[SWITCH_UUID_FORMATTED_LENGTH + 1];
+	switch_caller_profile_t *caller_profile;
+	switch_mutex_t *mutex;
+	switch_mutex_t *flag_mutex;
+	switch_mutex_t *flag_audio_cli_mutex;
+	switch_mutex_t *flag_audio_srv_mutex;
+
+	char interface_id[80];
+	char name[80];
+	char dialplan[80];
+	char context[80];
+	char dial_regex[256];
+	char fail_dial_regex[256];
+	char hold_music[256];
+	char type[256];
+	char X11_display[256];
+#ifdef WIN32
+	unsigned short tcp_cli_port;
+	unsigned short tcp_srv_port;
+#else
+	int tcp_cli_port;
+	int tcp_srv_port;
+#endif
+	struct SkypiaxHandles SkypiaxHandles;
+
+	int interface_state;		/*!< \brief 'state' of the interface (channel) */
+	char language[80];			/*!< \brief default Asterisk dialplan language for this interface */
+	char exten[80];				/*!< \brief default Asterisk dialplan extension for this interface */
+	int skypiax_sound_rate;		/*!< \brief rate of the sound device, in Hz, eg: 8000 */
+	char callid_name[50];
+	char callid_number[50];
+	double playback_boost;
+	double capture_boost;
+	int stripmsd;
+	char skype_call_id[512];
+	int skype_call_ongoing;
+	char skype_friends[4096];
+	char skype_fullname[512];
+	char skype_displayname[512];
+	int skype_callflow;			/*!< \brief 'callflow' of the skype interface (as opposed to phone interface) */
+	int skype;					/*!< \brief config flag, bool, Skype support on this interface (0 if false, -1 if true) */
+	int control_to_send;
+#ifdef WIN32
+	switch_file_t *audiopipe_srv[2];
+	switch_file_t *audiopipe_cli[2];
+	switch_file_t *skypiax_sound_capt_fd;	/*!< \brief file descriptor for sound capture dev */
+#else							/* WIN32 */
+	int audiopipe_srv[2];
+	int audiopipe_cli[2];
+	int skypiax_sound_capt_fd;	/*!< \brief file descriptor for sound capture dev */
+#endif							/* WIN32 */
+	switch_thread_t *tcp_srv_thread;
+	switch_thread_t *tcp_cli_thread;
+	switch_thread_t *skypiax_signaling_thread;
+	switch_thread_t *skypiax_api_thread;
+	short audiobuf[SAMPLES_PER_FRAME];
+	int audiobuf_is_loaded;
+	short audiobuf_cli[SAMPLES_PER_FRAME];
+	switch_mutex_t *mutex_audio_cli;
+	int flag_audio_cli;
+	short audiobuf_srv[SAMPLES_PER_FRAME];
+	switch_mutex_t *mutex_audio_srv;
+	int flag_audio_srv;
+
+	//int phonebook_listing;
+	//int phonebook_querying;
+	//int phonebook_listing_received_calls;
+
+	//int phonebook_first_entry;
+	//int phonebook_last_entry;
+	//int phonebook_number_lenght;
+	//int phonebook_text_lenght;
+	FILE *phonebook_writing_fp;
+	int skypiax_dir_entry_extension_prefix;
+	char skype_user[256];
+	char skype_password[256];
+	char destination[256];
+	struct timeval answer_time;
+
+	struct timeval transfer_time;
+	char transfer_callid_number[50];
+	char skype_transfer_call_id[512];
+	int running;
+	uint32_t ib_calls;
+	uint32_t ob_calls;
+	uint32_t ib_failed_calls;
+	uint32_t ob_failed_calls;
+
+	chatmessage_t chatmessages[MAX_CHATMESSAGES];
+	chat_t chats[MAX_CHATS];
+	uint32_t report_incoming_chatmessages;
+	switch_timer_t timer_read;
+	switch_timer_t timer_write;
+unsigned int writefd;
+unsigned int readfd;
+};
+
+typedef struct private_object private_t;
+
+void *SWITCH_THREAD_FUNC skypiax_api_thread_func(switch_thread_t * thread, void *obj);
+int skypiax_audio_read(private_t * tech_pvt);
+int skypiax_audio_init(private_t * tech_pvt);
+int skypiax_signaling_write(private_t * tech_pvt, char *msg_to_skype);
+int skypiax_signaling_read(private_t * tech_pvt);
+
+int skypiax_call(private_t * tech_pvt, char *idest, int timeout);
+int skypiax_senddigit(private_t * tech_pvt, char digit);
+
+void *skypiax_do_tcp_srv_thread_func(void *obj);
+void *SWITCH_THREAD_FUNC skypiax_do_tcp_srv_thread(switch_thread_t * thread, void *obj);
+
+void *skypiax_do_tcp_cli_thread_func(void *obj);
+void *SWITCH_THREAD_FUNC skypiax_do_tcp_cli_thread(switch_thread_t * thread, void *obj);
+
+void *skypiax_do_skypeapi_thread_func(void *obj);
+void *SWITCH_THREAD_FUNC skypiax_do_skypeapi_thread(switch_thread_t * thread, void *obj);
+int dtmf_received(private_t * tech_pvt, char *value);
+int start_audio_threads(private_t * tech_pvt);
+int new_inbound_channel(private_t * tech_pvt);
+int outbound_channel_answered(private_t * tech_pvt);
+int skypiax_signaling_write(private_t * tech_pvt, char *msg_to_skype);
+#if defined(WIN32) && !defined(__CYGWIN__)
+int skypiax_pipe_read(switch_file_t * pipe, short *buf, int howmany);
+int skypiax_pipe_write(switch_file_t * pipe, short *buf, int howmany);
+/* Visual C do not have strsep ? */
+char *strsep(char **stringp, const char *delim);
+#else
+int skypiax_pipe_read(int pipe, short *buf, int howmany);
+int skypiax_pipe_write(int pipe, short *buf, int howmany);
+#endif /* WIN32 */
+int skypiax_close_socket(unsigned int fd);
+private_t *find_available_skypiax_interface_rr(private_t * tech_pvt_calling);
+int remote_party_is_ringing(private_t * tech_pvt);
+int remote_party_is_early_media(private_t * tech_pvt);
+int skypiax_answer(private_t * tech_pvt, char *id, char *value);
+int skypiax_transfer(private_t * tech_pvt, char *id, char *value);
+#ifndef WIN32
+int skypiax_socket_create_and_bind(private_t * tech_pvt, int *which_port);
+#else
+int skypiax_socket_create_and_bind(private_t * tech_pvt, unsigned short *which_port);
+#endif //WIN32
+int incoming_chatmessage(private_t * tech_pvt, int which);

src/mod/endpoints/mod_skypiax/074_low_latency/1.diff

@@ -0,0 +1,55 @@
+Index: skypiax_protocol.c
+===================================================================
+--- skypiax_protocol.c	(revision 16583)
++++ skypiax_protocol.c	(working copy)
+@@ -1040,22 +1040,35 @@
+ 					fdselect = fd;
+ 					FD_SET(fdselect, &fs);
+ 
++#if 1
+ 					//FIXME rt = select(fdselect + 1, NULL, &fs, NULL, &to);
+ 					while (tech_pvt->flag_audio_cli == 0) {
+ #ifdef WIN32
+ 						skypiax_sleep(100);	//0.1 millisec
+ #else
+-						skypiax_sleep(1000);	//1 millisec
++						skypiax_sleep(10000);	//10 millisec
+ #endif //WIN32
+ 						//WARNINGA("write now is 0\n", SKYPIAX_P_LOG);
+ 					}
+ 					//ERRORA("write is now 1\n", SKYPIAX_P_LOG);
+ 
+ 					rt = 1;
++#endif //0
++					//rt = select(fdselect + 1, NULL, &fs, NULL, NULL);
+ 
+ 					if (rt > 0) {
+ 						int counter;
+-
++#if 0
++					while (tech_pvt->flag_audio_cli == 0) {
++#ifdef WIN32
++						skypiax_sleep(100);	//0.1 millisec
++#else
++						skypiax_sleep(10000);	//10 millisec
++#endif //WIN32
++						WARNINGA("write now is 0\n", SKYPIAX_P_LOG);
++					}
++#endif //0
++	
+ 						/* until we drained the pipe to empty */
+ 						//for (counter = 0; counter < 10; counter++) {
+ 						for (counter = 0; counter < 1; counter++) {
+@@ -1155,10 +1168,10 @@
+ #ifdef WIN32
+ 		skypiax_sleep(100);		//0.1 millisec
+ #else
+-		skypiax_sleep(1000);	//1 millisec
++		skypiax_sleep(10000);	//10 millisec
+ #endif //WIN32
+ 
+-		//WARNINGA("read now is 0\n", SKYPIAX_P_LOG);
++		WARNINGA("read now is 0\n", SKYPIAX_P_LOG);
+ 	}
+ 	//ERRORA("read is now 1\n", SKYPIAX_P_LOG);
+ 	//samples = skypiax_pipe_read(tech_pvt->audiopipe_srv[0], tech_pvt->read_frame.data, SAMPLES_PER_FRAME * sizeof(short));

src/mod/endpoints/mod_skypiax/074_low_latency/Makefile

@@ -0,0 +1,610 @@
+# Makefile.in generated by automake 1.9.6 from Makefile.am.
+# src/mod/endpoints/mod_skypiax/Makefile.  Generated from Makefile.in by configure.
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005  Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+
+
+srcdir = .
+top_srcdir = ../../../..
+
+pkgdatadir = $(datadir)/libfreeswitch
+pkglibdir = $(libdir)/libfreeswitch
+pkgincludedir = $(includedir)/libfreeswitch
+top_builddir = ../../../..
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+INSTALL = /usr/bin/install -c
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = i686-redhat-linux-gnu
+host_triplet = i686-redhat-linux-gnu
+DIST_COMMON = README $(srcdir)/Makefile.am $(srcdir)/Makefile.in \
+	$(top_srcdir)/build/modmake.rulesam
+subdir = src/mod/endpoints/mod_skypiax
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = $(top_srcdir)/acinclude.m4 \
+	$(top_srcdir)/build/config/ax_compiler_vendor.m4 \
+	$(top_srcdir)/build/config/ax_cflags_warn_all_ansi.m4 \
+	$(top_srcdir)/build/config/ax_cc_maxopt.m4 \
+	$(top_srcdir)/build/config/ax_check_compiler_flags.m4 \
+	$(top_srcdir)/build/config/ac_gcc_archflag.m4 \
+	$(top_srcdir)/build/config/ac_gcc_x86_cpuid.m4 \
+	$(top_srcdir)/build/config/ax_lib_mysql.m4 \
+	$(top_srcdir)/build/config/ax_check_java.m4 \
+	$(top_srcdir)/build/config/erlang.m4 \
+	$(top_srcdir)/build/config/odbc.m4 \
+	$(top_srcdir)/build/config/sched_setaffinity.m4 \
+	$(top_srcdir)/libs/apr/build/apr_common.m4 \
+	$(top_srcdir)/libs/sofia-sip/m4/sac-pkg-config.m4 \
+	$(top_srcdir)/libs/sofia-sip/m4/sac-openssl.m4 \
+	$(top_srcdir)/build/config/libcurl.m4 \
+	$(top_srcdir)/configure.in
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/src/include/switch_private.h \
+	$(top_builddir)/libs/xmlrpc-c/xmlrpc_amconfig.h
+CONFIG_CLEAN_FILES =
+am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
+am__vpath_adj = case $$p in \
+    $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \
+    *) f=$$p;; \
+  esac;
+am__strip_dir = `echo $$p | sed -e 's|^.*/||'`;
+am__installdirs = "$(DESTDIR)$(moddir)"
+modLTLIBRARIES_INSTALL = $(INSTALL)
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+mod_skypiax_la_DEPENDENCIES = $(switch_builddir)/libfreeswitch.la
+am_mod_skypiax_la_OBJECTS = mod_skypiax_la-mod_skypiax.lo \
+	mod_skypiax_la-skypiax_protocol.lo
+mod_skypiax_la_OBJECTS = $(am_mod_skypiax_la_OBJECTS)
+DEFAULT_INCLUDES = -I. -I$(srcdir) -I$(top_builddir)/src/include -I$(top_builddir)/libs/xmlrpc-c
+depcomp = $(SHELL) $(top_srcdir)/build/config/depcomp
+am__depfiles_maybe = depfiles
+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) \
+	$(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \
+	$(AM_CFLAGS) $(CFLAGS)
+CCLD = $(CC)
+LINK = $(LIBTOOL) --tag=CC --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+	$(AM_LDFLAGS) $(LDFLAGS) -o $@
+SOURCES = $(mod_skypiax_la_SOURCES)
+DIST_SOURCES = $(mod_skypiax_la_SOURCES)
+ETAGS = etags
+CTAGS = ctags
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+ACLOCAL = ${SHELL} /usr/src/freeswitch/build/config/missing --run aclocal-1.9
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+CONF_MODULES = $$(grep -v "\#" $(switch_builddir)/modules.conf | sed -e "s|^.*/||" | sort | uniq )
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+GETSOUNDS = /bin/sh /usr/src/freeswitch/build/getsounds.sh
+HAVE_LIBEDIT_FALSE = #
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+HasJava_FALSE = 
+HasJava_TRUE = #
+INSTALL_DATA = ${INSTALL} -m 644
+INSTALL_PROGRAM = ${INSTALL}
+INSTALL_SCRIPT = ${INSTALL}
+INSTALL_STRIP_PROGRAM = ${SHELL} $(install_sh) -c -s
+IS64BITLINUX_FALSE = 
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+LIBOBJS = 
+# Dirty trick to override the link output
+LIBS = -lncurses  > $(MODNAME).log || error="yes";if test -n "$(VERBOSE)" \
+	-o "$$error" = "yes";then cat $(MODNAME).log;fi;if test \
+	"$$error" = "yes";then exit 1;fi
+#we should set all these vars from configure, no reason to have these in each Makefile.am
+LIBTOOL = echo "`link=\`echo $@|grep .la;echo $@|grep .so;echo $@|grep .dll\`;if test -n "$$link"; then echo Creating $@;fi`";`if test -z "$(VERBOSE)" ; \
+then echo $(SHELL) $(switch_builddir)/quiet_libtool ;else echo $(SHELL) $(switch_builddir)/libtool;  fi`
+
+LIBTOOL_LIB_EXTEN = so
+LIB_JAVA = 
+LIB_SUBDIR = lib
+LN_S = ln -s
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+MAKEINFO = ${SHELL} /usr/src/freeswitch/build/config/missing --run makeinfo
+OBJEXT = o
+ODBC_INC_DIR = 
+ODBC_INC_FLAGS = 
+ODBC_LIB_DIR = 
+ODBC_LIB_FLAGS = 
+OUR_CLEAN_MODS = $$(if test -z "$(MODULES)" ; then tmp_mods="$(CONF_MODULES)"; else tmp_mods="$(MODULES)" ; fi ; mods="$$(for i in $$tmp_mods ; do echo $$i-clean ; done )"; echo $$mods )
+OUR_DISABLED_CLEAN_MODS = $$(tmp_mods="$(CONF_DISABLED_MODULES)";  mods="$$(for i in $$tmp_mods ; do echo $$i-clean ; done )"; echo $$mods )
+OUR_DISABLED_INSTALL_MODS = $$(tmp_mods="$(CONF_DISABLED_MODULES)"; mods="$$(for i in $$tmp_mods ; do echo $$i-install ; done)"; echo $$mods )
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+OUR_MODS = $$(if test -z "$(MODULES)" ; then tmp_mods="$(CONF_MODULES)"; else tmp_mods="$(MODULES)" ; fi ; mods="$$(for i in $$tmp_mods ; do echo $$i-all ; done )"; echo $$mods )
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+PACKAGE_BUGREPORT = BUG-REPORT-ADDRESS
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+PYTHON_LDFLAGS = -lpthread -ldl -lutil -lm -lpython2.4
+PYTHON_SITE_DIR = /usr/lib/python2.4/site-packages
+RANLIB = ranlib
+SED = /bin/sed
+SET_MAKE = 
+SHELL = /bin/sh
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+
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+	cd $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu  src/mod/endpoints/mod_skypiax/Makefile
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+	@case '$?' in \
+	  *config.status*) \
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+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+install-modLTLIBRARIES: $(mod_LTLIBRARIES)
+	@$(NORMAL_INSTALL)
+	test -z "$(moddir)" || $(mkdir_p) "$(DESTDIR)$(moddir)"
+	@list='$(mod_LTLIBRARIES)'; for p in $$list; do \
+	  if test -f $$p; then \
+	    f=$(am__strip_dir) \
+	    echo " $(LIBTOOL) --mode=install $(modLTLIBRARIES_INSTALL) $(INSTALL_STRIP_FLAG) '$$p' '$(DESTDIR)$(moddir)/$$f'"; \
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+	  else :; fi; \
+	done
+
+uninstall-modLTLIBRARIES:
+	@$(NORMAL_UNINSTALL)
+	@set -x; list='$(mod_LTLIBRARIES)'; for p in $$list; do \
+	  p=$(am__strip_dir) \
+	  echo " $(LIBTOOL) --mode=uninstall rm -f '$(DESTDIR)$(moddir)/$$p'"; \
+	  $(LIBTOOL) --mode=uninstall rm -f "$(DESTDIR)$(moddir)/$$p"; \
+	done
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+clean-modLTLIBRARIES:
+	-test -z "$(mod_LTLIBRARIES)" || rm -f $(mod_LTLIBRARIES)
+	@list='$(mod_LTLIBRARIES)'; for p in $$list; do \
+	  dir="`echo $$p | sed -e 's|/[^/]*$$||'`"; \
+	  test "$$dir" != "$$p" || dir=.; \
+	  echo "rm -f \"$${dir}/so_locations\""; \
+	  rm -f "$${dir}/so_locations"; \
+	done
+mod_skypiax.la: $(mod_skypiax_la_OBJECTS) $(mod_skypiax_la_DEPENDENCIES) 
+	$(LINK) -rpath $(moddir) $(mod_skypiax_la_LDFLAGS) $(mod_skypiax_la_OBJECTS) $(mod_skypiax_la_LIBADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+include ./$(DEPDIR)/mod_skypiax_la-mod_skypiax.Plo
+include ./$(DEPDIR)/mod_skypiax_la-skypiax_protocol.Plo
+
+.c.o:
+	if $(COMPILE) -MT $@ -MD -MP -MF "$(DEPDIR)/$*.Tpo" -c -o $@ $<; \
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+#	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) \
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+	if $(LTCOMPILE) -MT $@ -MD -MP -MF "$(DEPDIR)/$*.Tpo" -c -o $@ $<; \
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+#	$(LTCOMPILE) -c -o $@ $<
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+mod_skypiax_la-mod_skypiax.lo: mod_skypiax.c
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+	then mv -f "$(DEPDIR)/mod_skypiax_la-mod_skypiax.Tpo" "$(DEPDIR)/mod_skypiax_la-mod_skypiax.Plo"; else rm -f "$(DEPDIR)/mod_skypiax_la-mod_skypiax.Tpo"; exit 1; fi
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+mod_skypiax_la-skypiax_protocol.lo: skypiax_protocol.c
+	if $(LIBTOOL) --tag=CC --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(mod_skypiax_la_CFLAGS) $(CFLAGS) -MT mod_skypiax_la-skypiax_protocol.lo -MD -MP -MF "$(DEPDIR)/mod_skypiax_la-skypiax_protocol.Tpo" -c -o mod_skypiax_la-skypiax_protocol.lo `test -f 'skypiax_protocol.c' || echo '$(srcdir)/'`skypiax_protocol.c; \
+	then mv -f "$(DEPDIR)/mod_skypiax_la-skypiax_protocol.Tpo" "$(DEPDIR)/mod_skypiax_la-skypiax_protocol.Plo"; else rm -f "$(DEPDIR)/mod_skypiax_la-skypiax_protocol.Tpo"; exit 1; fi
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src/mod/endpoints/mod_skypiax/074_low_latency/Makefile.am

@@ -0,0 +1,7 @@
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+MODNAME=mod_skypiax
+mod_LTLIBRARIES = mod_skypiax.la
+mod_skypiax_la_SOURCES  = mod_skypiax.c skypiax_protocol.c
+mod_skypiax_la_CFLAGS   = $(AM_CFLAGS) -DSKYPIAX_SVN_VERSION=\"`cat $(switch_builddir)/.version`\"
+mod_skypiax_la_LIBADD   = $(switch_builddir)/libfreeswitch.la
+mod_skypiax_la_LDFLAGS  = -avoid-version -module -no-undefined -shared -lX11

src/mod/endpoints/mod_skypiax/074_low_latency/Makefile.in

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+	$(top_srcdir)/libs/sofia-sip/m4/sac-openssl.m4 \
+	$(top_srcdir)/build/config/libcurl.m4 \
+	$(top_srcdir)/configure.in
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+	$(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/src/include/switch_private.h \
+	$(top_builddir)/libs/xmlrpc-c/xmlrpc_amconfig.h
+CONFIG_CLEAN_FILES =
+am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
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+	$(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \
+	$(AM_CFLAGS) $(CFLAGS)
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+	$(AM_LDFLAGS) $(LDFLAGS) -o $@
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+LIBOBJS = @LIBOBJS@
+# Dirty trick to override the link output
+LIBS = @LIBS@ > $(MODNAME).log || error="yes";if test -n "$(VERBOSE)" \
+	-o "$$error" = "yes";then cat $(MODNAME).log;fi;if test \
+	"$$error" = "yes";then exit 1;fi
+#we should set all these vars from configure, no reason to have these in each Makefile.am
+LIBTOOL = echo "`link=\`echo $@|grep .la;echo $@|grep .so;echo $@|grep .dll\`;if test -n "$$link"; then echo Creating $@;fi`";`if test -z "$(VERBOSE)" ; \
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+mod_skypiax_la_LIBADD = $(switch_builddir)/libfreeswitch.la
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+.SUFFIXES:
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+$(srcdir)/Makefile.in:  $(srcdir)/Makefile.am $(top_srcdir)/build/modmake.rulesam $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \
+		&& exit 0; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu  src/mod/endpoints/mod_skypiax/Makefile'; \
+	cd $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu  src/mod/endpoints/mod_skypiax/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure:  $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4):  $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+install-modLTLIBRARIES: $(mod_LTLIBRARIES)
+	@$(NORMAL_INSTALL)
+	test -z "$(moddir)" || $(mkdir_p) "$(DESTDIR)$(moddir)"
+	@list='$(mod_LTLIBRARIES)'; for p in $$list; do \
+	  if test -f $$p; then \
+	    f=$(am__strip_dir) \
+	    echo " $(LIBTOOL) --mode=install $(modLTLIBRARIES_INSTALL) $(INSTALL_STRIP_FLAG) '$$p' '$(DESTDIR)$(moddir)/$$f'"; \
+	    $(LIBTOOL) --mode=install $(modLTLIBRARIES_INSTALL) $(INSTALL_STRIP_FLAG) "$$p" "$(DESTDIR)$(moddir)/$$f"; \
+	  else :; fi; \
+	done
+
+uninstall-modLTLIBRARIES:
+	@$(NORMAL_UNINSTALL)
+	@set -x; list='$(mod_LTLIBRARIES)'; for p in $$list; do \
+	  p=$(am__strip_dir) \
+	  echo " $(LIBTOOL) --mode=uninstall rm -f '$(DESTDIR)$(moddir)/$$p'"; \
+	  $(LIBTOOL) --mode=uninstall rm -f "$(DESTDIR)$(moddir)/$$p"; \
+	done
+
+clean-modLTLIBRARIES:
+	-test -z "$(mod_LTLIBRARIES)" || rm -f $(mod_LTLIBRARIES)
+	@list='$(mod_LTLIBRARIES)'; for p in $$list; do \
+	  dir="`echo $$p | sed -e 's|/[^/]*$$||'`"; \
+	  test "$$dir" != "$$p" || dir=.; \
+	  echo "rm -f \"$${dir}/so_locations\""; \
+	  rm -f "$${dir}/so_locations"; \
+	done
+mod_skypiax.la: $(mod_skypiax_la_OBJECTS) $(mod_skypiax_la_DEPENDENCIES) 
+	$(LINK) -rpath $(moddir) $(mod_skypiax_la_LDFLAGS) $(mod_skypiax_la_OBJECTS) $(mod_skypiax_la_LIBADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
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+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+distclean-libtool:
+	-rm -f libtool
+uninstall-info-am:
+
+ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
+	list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '    { files[$$0] = 1; } \
+	       END { for (i in files) print i; }'`; \
+	mkid -fID $$unique
+tags: TAGS
+
+TAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
+		$(TAGS_FILES) $(LISP)
+	tags=; \
+	here=`pwd`; \
+	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '    { files[$$0] = 1; } \
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+	    $$tags $$unique; \
+	fi
+ctags: CTAGS
+CTAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
+		$(TAGS_FILES) $(LISP)
+	tags=; \
+	here=`pwd`; \
+	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
+	unique=`for i in $$list; do \
+	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+	  done | \
+	  $(AWK) '    { files[$$0] = 1; } \
+	       END { for (i in files) print i; }'`; \
+	test -z "$(CTAGS_ARGS)$$tags$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$tags $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && cd $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) $$here
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+	$(mkdir_p) $(distdir)/../../../../build
+	@srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's|.|.|g'`; \
+	list='$(DISTFILES)'; for file in $$list; do \
+	  case $$file in \
+	    $(srcdir)/*) file=`echo "$$file" | sed "s|^$$srcdirstrip/||"`;; \
+	    $(top_srcdir)/*) file=`echo "$$file" | sed "s|^$$topsrcdirstrip/|$(top_builddir)/|"`;; \
+	  esac; \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  dir=`echo "$$file" | sed -e 's,/[^/]*$$,,'`; \
+	  if test "$$dir" != "$$file" && test "$$dir" != "."; then \
+	    dir="/$$dir"; \
+	    $(mkdir_p) "$(distdir)$$dir"; \
+	  else \
+	    dir=''; \
+	  fi; \
+	  if test -d $$d/$$file; then \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -pR $(srcdir)/$$file $(distdir)$$dir || exit 1; \
+	    fi; \
+	    cp -pR $$d/$$file $(distdir)$$dir || exit 1; \
+	  else \
+	    test -f $(distdir)/$$file \
+	    || cp -p $$d/$$file $(distdir)/$$file \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(LTLIBRARIES)
+installdirs:
+	for dir in "$(DESTDIR)$(moddir)"; do \
+	  test -z "$$dir" || $(mkdir_p) "$$dir"; \
+	done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	  install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	  `test -z '$(STRIP)' || \
+	    echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-modLTLIBRARIES \
+	mostlyclean-am
+
+distclean: distclean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-libtool distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+info: info-am
+
+info-am:
+
+install-data-am: install-modLTLIBRARIES
+
+install-exec-am:
+
+install-info: install-info-am
+
+install-man:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -rf ./$(DEPDIR)
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-info-am uninstall-modLTLIBRARIES
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
+	clean-libtool clean-modLTLIBRARIES ctags distclean \
+	distclean-compile distclean-generic distclean-libtool \
+	distclean-tags distdir dvi dvi-am html html-am info info-am \
+	install install-am install-data install-data-am install-exec \
+	install-exec-am install-info install-info-am install-man \
+	install-modLTLIBRARIES install-strip installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags uninstall uninstall-am uninstall-info-am \
+	uninstall-modLTLIBRARIES
+
+
+all-modules: all
+depend-modules: depend
+clean-modules: clean
+install-modules: install
+uninstall-modules: uninstall
+distclean-modules: distclean
+extraclean-modules: extraclean
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:

src/mod/endpoints/mod_skypiax/074_low_latency/README

@@ -0,0 +1,9 @@
+Skypiax, Skype Endpoint and Trunk
+
+All documentation on compiling, using, configuring, 
+tricks and tweaks, possible problems at: 
+
+http://wiki.freeswitch.org/wiki/Skypiax_Skype_Endpoint_and_Trunk
+
+< gmaruzz at gmail dot com >
+

src/mod/endpoints/mod_skypiax/074_low_latency/dummy.c

@@ -0,0 +1,964 @@
+/*
+ *  Dummy soundcard
+ *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ *
+ */
+
+#include <sound/driver.h>		//giova
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/jiffies.h>
+#include <linux/slab.h>
+#include <linux/time.h>
+#include <linux/wait.h>
+#include <linux/moduleparam.h>
+#include <sound/core.h>
+#include <sound/control.h>
+#include <sound/tlv.h>
+#include <sound/pcm.h>
+#include <sound/rawmidi.h>
+#include <sound/initval.h>
+
+
+MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
+MODULE_DESCRIPTION("Dummy soundcard (/dev/null)");
+MODULE_LICENSE("GPL");
+MODULE_SUPPORTED_DEVICE("{{ALSA,Dummy soundcard}}");
+
+#define GIOVAMULTI		1
+#define MAX_PCM_DEVICES		4
+#define MAX_PCM_SUBSTREAMS	128
+#define MAX_MIDI_DEVICES	2
+
+#if 0							/* emu10k1 emulation */
+#define MAX_BUFFER_SIZE		(128 * 1024)
+static int emu10k1_playback_constraints(struct snd_pcm_runtime *runtime)
+{
+	int err;
+	err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
+	if (err < 0)
+		return err;
+	err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX);
+	if (err < 0)
+		return err;
+	return 0;
+}
+
+#define add_playback_constraints emu10k1_playback_constraints
+#endif
+
+#if 0							/* RME9652 emulation */
+#define MAX_BUFFER_SIZE		(26 * 64 * 1024)
+#define USE_FORMATS		SNDRV_PCM_FMTBIT_S32_LE
+#define USE_CHANNELS_MIN	26
+#define USE_CHANNELS_MAX	26
+#define USE_PERIODS_MIN		2
+#define USE_PERIODS_MAX		2
+#endif
+
+#if 0							/* ICE1712 emulation */
+#define MAX_BUFFER_SIZE		(256 * 1024)
+#define USE_FORMATS		SNDRV_PCM_FMTBIT_S32_LE
+#define USE_CHANNELS_MIN	10
+#define USE_CHANNELS_MAX	10
+#define USE_PERIODS_MIN		1
+#define USE_PERIODS_MAX		1024
+#endif
+
+#if 0							/* UDA1341 emulation */
+#define MAX_BUFFER_SIZE		(16380)
+#define USE_FORMATS		SNDRV_PCM_FMTBIT_S16_LE
+#define USE_CHANNELS_MIN	2
+#define USE_CHANNELS_MAX	2
+#define USE_PERIODS_MIN		2
+#define USE_PERIODS_MAX		255
+#endif
+
+#if 0							/* simple AC97 bridge (intel8x0) with 48kHz AC97 only codec */
+#define USE_FORMATS		SNDRV_PCM_FMTBIT_S16_LE
+#define USE_CHANNELS_MIN	2
+#define USE_CHANNELS_MAX	2
+#define USE_RATE		SNDRV_PCM_RATE_48000
+#define USE_RATE_MIN		48000
+#define USE_RATE_MAX		48000
+#endif
+
+#if 0							/* CA0106 */
+#define USE_FORMATS		SNDRV_PCM_FMTBIT_S16_LE
+#define USE_CHANNELS_MIN	2
+#define USE_CHANNELS_MAX	2
+#define USE_RATE		(SNDRV_PCM_RATE_48000|SNDRV_PCM_RATE_96000|SNDRV_PCM_RATE_192000)
+#define USE_RATE_MIN		48000
+#define USE_RATE_MAX		192000
+#define MAX_BUFFER_SIZE		((65536-64)*8)
+#define MAX_PERIOD_SIZE		(65536-64)
+#define USE_PERIODS_MIN		2
+#define USE_PERIODS_MAX		8
+#endif
+
+
+/* defaults */
+#ifndef MAX_BUFFER_SIZE
+//#define MAX_BUFFER_SIZE		(64*1024)
+#define MAX_BUFFER_SIZE		(256*1024)
+#endif
+#ifndef MAX_PERIOD_SIZE
+#define MAX_PERIOD_SIZE		MAX_BUFFER_SIZE
+#endif
+#ifndef USE_FORMATS
+//#define USE_FORMATS 		(SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE)
+#define USE_FORMATS 		SNDRV_PCM_FMTBIT_S16_LE
+#endif
+#ifndef USE_RATE
+//#define USE_RATE		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000
+#define USE_RATE		SNDRV_PCM_RATE_8000
+//#define USE_RATE_MIN		5500
+#define USE_RATE_MIN		8000
+//#define USE_RATE_MAX		48000
+#define USE_RATE_MAX		8000
+#endif
+#ifndef USE_CHANNELS_MIN
+#define USE_CHANNELS_MIN 	1
+#endif
+#ifndef USE_CHANNELS_MAX
+#define USE_CHANNELS_MAX 	2
+#endif
+#ifndef USE_PERIODS_MIN
+#define USE_PERIODS_MIN 	1
+#endif
+#ifndef USE_PERIODS_MAX
+#define USE_PERIODS_MAX 	1024
+#endif
+#ifndef add_playback_constraints
+#define add_playback_constraints(x) 0
+#endif
+#ifndef add_capture_constraints
+#define add_capture_constraints(x) 0
+#endif
+
+static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-MAX */
+static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* ID for this card */
+static int enable[SNDRV_CARDS] = { 1,[1 ... (SNDRV_CARDS - 1)] = 0 };
+static int pcm_devs[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 1 };
+static int pcm_substreams[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 128 };
+
+//static int midi_devs[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
+
+module_param_array(index, int, NULL, 0444);
+MODULE_PARM_DESC(index, "Index value for dummy soundcard.");
+module_param_array(id, charp, NULL, 0444);
+MODULE_PARM_DESC(id, "ID string for dummy soundcard.");
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(enable, "Enable this dummy soundcard.");
+module_param_array(pcm_devs, int, NULL, 0444);
+MODULE_PARM_DESC(pcm_devs, "PCM devices # (0-4) for dummy driver.");
+module_param_array(pcm_substreams, int, NULL, 0444);
+MODULE_PARM_DESC(pcm_substreams, "PCM substreams # (1-64) for dummy driver.");
+//module_param_array(midi_devs, int, NULL, 0444);
+//MODULE_PARM_DESC(midi_devs, "MIDI devices # (0-2) for dummy driver.");
+
+static struct platform_device *devices[SNDRV_CARDS];
+static struct timer_list giovatimer;	//giova
+static int giovastarted = 0;
+static int giovaindex = 0;
+static spinlock_t giovalock;
+struct giovadpcm {
+	struct snd_pcm_substream *substream;
+	struct snd_dummy_pcm *dpcm;
+	int started;
+};
+static struct giovadpcm giovadpcms[MAX_PCM_SUBSTREAMS];
+
+#define MIXER_ADDR_MASTER	0
+#define MIXER_ADDR_LINE		1
+#define MIXER_ADDR_MIC		2
+#define MIXER_ADDR_SYNTH	3
+#define MIXER_ADDR_CD		4
+#define MIXER_ADDR_LAST		4
+
+static void snd_card_dummy_pcm_timer_function(unsigned long data);
+struct snd_dummy {
+	struct snd_card *card;
+	struct snd_pcm *pcm;
+	spinlock_t mixer_lock;
+	int mixer_volume[MIXER_ADDR_LAST + 1][2];
+	int capture_source[MIXER_ADDR_LAST + 1][2];
+};
+
+struct snd_dummy_pcm {
+	struct snd_dummy *dummy;
+	spinlock_t lock;
+	struct timer_list timer;
+	unsigned int pcm_buffer_size;
+	unsigned int pcm_period_size;
+	unsigned int pcm_bps;		/* bytes per second */
+	unsigned int pcm_hz;		/* HZ */
+	unsigned int pcm_irq_pos;	/* IRQ position */
+	unsigned int pcm_buf_pos;	/* position in buffer */
+	struct snd_pcm_substream *substream;
+};
+
+
+static inline void snd_card_dummy_pcm_timer_start(struct snd_dummy_pcm *dpcm)
+{
+	int i;
+	int found = 0;
+
+
+//printk("giova: 1 timer_start %d %p\n", __LINE__, dpcm);
+	for (i = 0; i < giovaindex + 1; i++) {
+		if (i > MAX_PCM_SUBSTREAMS || giovaindex > MAX_PCM_SUBSTREAMS) {
+			printk("giova, %s:%d, i=%d, giovaindex=%d dpcm=%p\n", __FILE__, __LINE__, i, giovaindex, dpcm);
+		}
+
+		if (giovadpcms[i].dpcm == dpcm) {
+			giovadpcms[i].started = 1;
+			found = 1;
+		}
+	}
+	if (!found) {
+		printk("skypiax: start, NOT found?\n");
+	}
+
+//printk("giova: 2 timer_start %d %p\n", __LINE__, dpcm);
+}
+
+static inline void snd_card_dummy_pcm_timer_stop(struct snd_dummy_pcm *dpcm)
+{
+	//del_timer(&dpcm->timer);
+	int i;
+	int found = 0;
+
+//printk("giova: 1 timer_stop %d %p\n", __LINE__, dpcm);
+	for (i = 0; i < giovaindex + 1; i++) {
+
+		if (i > MAX_PCM_SUBSTREAMS || giovaindex > MAX_PCM_SUBSTREAMS) {
+			printk("giova, %s:%d, i=%d, giovaindex=%d dpcm=%p\n", __FILE__, __LINE__, i, giovaindex, dpcm);
+		}
+		if (giovadpcms[i].dpcm == dpcm) {
+			giovadpcms[i].started = 0;
+			found = 1;
+		}
+	}
+	if (!found) {
+		//printk("skypiax: stop, NOT found?\n");
+	} else {
+		//printk("skypiax: stop, YES found!\n"); 
+	}
+
+
+
+//printk("giova: 2 timer_stop %d %p\n", __LINE__, dpcm);
+}
+
+static int snd_card_dummy_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_dummy_pcm *dpcm = runtime->private_data;
+	int err = 0;
+
+	//spin_lock(&dpcm->lock, flags);
+	spin_lock_bh(&giovalock);
+	switch (cmd) {
+	case SNDRV_PCM_TRIGGER_START:
+	case SNDRV_PCM_TRIGGER_RESUME:
+//printk("giova: trigger timer_start %d %p\n", __LINE__, dpcm);
+		snd_card_dummy_pcm_timer_start(dpcm);
+		break;
+	case SNDRV_PCM_TRIGGER_STOP:
+	case SNDRV_PCM_TRIGGER_SUSPEND:
+//printk("giova: trigger timer_stop %d %p\n", __LINE__, dpcm);
+		snd_card_dummy_pcm_timer_stop(dpcm);
+		break;
+	default:
+		err = -EINVAL;
+		break;
+	}
+	//spin_unlock(&dpcm->lock, flags);
+	spin_unlock_bh(&giovalock);
+	return 0;
+}
+
+static int snd_card_dummy_pcm_prepare(struct snd_pcm_substream *substream)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_dummy_pcm *dpcm = runtime->private_data;
+	int bps;
+
+	bps = snd_pcm_format_width(runtime->format) * runtime->rate * runtime->channels / 8;
+
+	if (bps <= 0)
+		return -EINVAL;
+
+	dpcm->pcm_bps = bps;
+	dpcm->pcm_hz = HZ;
+	dpcm->pcm_buffer_size = snd_pcm_lib_buffer_bytes(substream);
+	dpcm->pcm_period_size = snd_pcm_lib_period_bytes(substream);
+	dpcm->pcm_irq_pos = 0;
+	dpcm->pcm_buf_pos = 0;
+	snd_pcm_format_set_silence(runtime->format, runtime->dma_area, bytes_to_samples(runtime, runtime->dma_bytes));
+
+//printk("giova: prepare %d %p\n", __LINE__, dpcm);
+	return 0;
+}
+
+static void snd_card_dummy_pcm_timer_function(unsigned long data)
+{
+	//struct snd_dummy_pcm *dpcm = (struct snd_dummy_pcm *)data;
+	struct snd_dummy_pcm *dpcm = NULL;
+	//unsigned long flags;
+	int i;
+
+
+	giovatimer.expires = (HZ/100 * (GIOVAMULTI)) + jiffies;
+	add_timer(&giovatimer);
+
+	for (i = 0; i < giovaindex + 1; i++) {
+
+		if (i > MAX_PCM_SUBSTREAMS || giovaindex > MAX_PCM_SUBSTREAMS) {
+			printk("giova, %s:%d, i=%d, giovaindex=%d dpcm=%p\n", __FILE__, __LINE__, i, giovaindex, dpcm);
+		}
+//printk("giova: timer_func %d i=%d\n", __LINE__, i);
+
+		if (giovadpcms[i].started != 1)
+			continue;
+		dpcm = giovadpcms[i].dpcm;
+		if (dpcm == NULL) {
+			printk("giova: timer_func %d %d NULL: continue\n", __LINE__, i);
+			continue;
+		}
+		//spin_lock_bh(&dpcm->lock);
+		//if (in_irq())
+			//printk("giova: timer_func %d %d we are in HARDWARE IRQ\n", __LINE__, i);
+		//if(in_softirq())
+		//printk("giova: timer_func %d %d we are in SOFT IRQ\n", __LINE__, i);
+//printk("giova: timer_func %d %d\n", __LINE__, i);
+		//spin_lock_irqsave(&dpcm->lock, flags);
+		//LOCK spin_lock_bh(&dpcm->lock);
+//CICOPET printk("%d %s, dpcm=%p, dpcm->pcm_irq_pos=%u\t\t dpcm->pcm_bps=%u\t\t dpcm->pcm_buf_pos=%u\n", __LINE__, __FILE__, dpcm, dpcm->pcm_irq_pos, dpcm->pcm_bps,  dpcm->pcm_buf_pos);
+		//dpcm->pcm_irq_pos += dpcm->pcm_bps * ((HZ / 100) * GIOVAMULTI);
+		//dpcm->pcm_irq_pos += (dpcm->pcm_bps * ((HZ / 100) * GIOVAMULTI));
+		dpcm->pcm_irq_pos += (dpcm->pcm_bps * ( (HZ / 100) * GIOVAMULTI));
+//CICOPET printk("%d %s, dpcm=%p, dpcm->pcm_irq_pos=%u\t\t dpcm->pcm_bps=%u\t\t dpcm->pcm_buf_pos=%u\n", __LINE__, __FILE__, dpcm, dpcm->pcm_irq_pos, dpcm->pcm_bps,  dpcm->pcm_buf_pos);
+		//dpcm->pcm_buf_pos += (dpcm->pcm_bps * ((HZ / 100) * GIOVAMULTI));
+		dpcm->pcm_buf_pos += (dpcm->pcm_bps * ( (HZ / 100) * GIOVAMULTI));
+//CICOPET printk("%d %s, dpcm=%p, dpcm->pcm_irq_pos=%u\t\t dpcm->pcm_bps=%u\t\t dpcm->pcm_buf_pos=%u\n", __LINE__, __FILE__, dpcm, dpcm->pcm_irq_pos, dpcm->pcm_bps,  dpcm->pcm_buf_pos);
+		//dpcm->pcm_buf_pos %= (dpcm->pcm_buffer_size * dpcm->pcm_hz * GIOVAMULTI);
+		dpcm->pcm_buf_pos %= (dpcm->pcm_buffer_size * dpcm->pcm_hz );
+//BUONI printk("%d %s, dpcm=%p, dpcm->pcm_irq_pos=%u\t\t dpcm->pcm_bps=%u\t\t dpcm->pcm_buf_pos=%u (dpcm->pcm_period_size * dpcm->pcm_hz)=%u\n", __LINE__, __FILE__, dpcm, dpcm->pcm_irq_pos, dpcm->pcm_bps,  dpcm->pcm_buf_pos, (dpcm->pcm_period_size * dpcm->pcm_hz));
+		if (dpcm->pcm_irq_pos >= (dpcm->pcm_period_size * dpcm->pcm_hz)) {
+//CICOPET printk("%d %s, dpcm=%p, dpcm->pcm_irq_pos=%u\t\t dpcm->pcm_bps=%u\t\t dpcm->pcm_buf_pos=%u\n", __LINE__, __FILE__, dpcm, dpcm->pcm_irq_pos, dpcm->pcm_bps,  dpcm->pcm_buf_pos);
+			dpcm->pcm_irq_pos %= (dpcm->pcm_period_size * dpcm->pcm_hz);
+//BUONI printk("%d %s, dpcm=%p, dpcm->pcm_irq_pos=%u\t\t dpcm->pcm_bps=%u\t\t dpcm->pcm_buf_pos=%u PASSATO!\n", __LINE__, __FILE__, dpcm, dpcm->pcm_irq_pos, dpcm->pcm_bps,  dpcm->pcm_buf_pos);
+			//spin_unlock_irqrestore(&dpcm->lock, flags);
+			//spin_unlock_bh(&dpcm->lock);
+			snd_pcm_period_elapsed(dpcm->substream);
+		} else {
+			//spin_unlock_irqrestore(&dpcm->lock, flags);
+			//spin_unlock_bh(&dpcm->lock);
+		}
+	}
+}
+
+static snd_pcm_uframes_t snd_card_dummy_pcm_pointer(struct snd_pcm_substream *substream)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_dummy_pcm *dpcm = runtime->private_data;
+
+snd_pcm_uframes_t ciapa=0;
+
+		//spin_lock_bh(&dpcm->lock);
+//ciapa = (dpcm->pcm_buf_pos / dpcm->pcm_hz) / (dpcm->pcm_bps/8000);
+//ciapa = bytes_to_frames(runtime, (dpcm->pcm_buf_pos / (dpcm->pcm_hz ))) / GIOVAMULTI;
+//printk("%d %s, dpcm=%p, dpcm->pcm_irq_pos=%u\t\t dpcm->pcm_bps=%u\t\t dpcm->pcm_buf_pos=%u, ciapa=%u\n", __LINE__, __FILE__, dpcm, dpcm->pcm_irq_pos, dpcm->pcm_bps,  dpcm->pcm_buf_pos, ciapa);
+ciapa = bytes_to_frames(runtime, (dpcm->pcm_buf_pos / (dpcm->pcm_hz )));
+
+		//spin_unlock_bh(&dpcm->lock);
+//printk("%d %s, dpcm=%p, dpcm->pcm_irq_pos=%u\t\t dpcm->pcm_bps=%u\t\t dpcm->pcm_buf_pos=%u, ciapa=%u\n", __LINE__, __FILE__, dpcm, dpcm->pcm_irq_pos, dpcm->pcm_bps,  dpcm->pcm_buf_pos, (unsigned int)ciapa);
+return ciapa;
+	//return bytes_to_frames(runtime, (dpcm->pcm_buf_pos / (dpcm->pcm_hz )) / GIOVAMULTI);
+	//return (dpcm->pcm_buf_pos / dpcm->pcm_hz) / (dpcm->pcm_bps/8000);
+}
+
+static struct snd_pcm_hardware snd_card_dummy_playback = {
+	.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID),
+	.formats = USE_FORMATS,
+	.rates = USE_RATE,
+	.rate_min = USE_RATE_MIN,
+	.rate_max = USE_RATE_MAX,
+	.channels_min = USE_CHANNELS_MIN,
+	.channels_max = USE_CHANNELS_MAX,
+	.buffer_bytes_max = MAX_BUFFER_SIZE,
+	.period_bytes_min = 64,
+	.period_bytes_max = MAX_PERIOD_SIZE,
+	.periods_min = USE_PERIODS_MIN,
+	.periods_max = USE_PERIODS_MAX,
+	.fifo_size = 0,
+};
+
+static struct snd_pcm_hardware snd_card_dummy_capture = {
+	.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID),
+	.formats = USE_FORMATS,
+	.rates = USE_RATE,
+	.rate_min = USE_RATE_MIN,
+	.rate_max = USE_RATE_MAX,
+	.channels_min = USE_CHANNELS_MIN,
+	.channels_max = USE_CHANNELS_MAX,
+	.buffer_bytes_max = MAX_BUFFER_SIZE,
+	.period_bytes_min = 64,
+	.period_bytes_max = MAX_PERIOD_SIZE,
+	.periods_min = USE_PERIODS_MIN,
+	.periods_max = USE_PERIODS_MAX,
+	.fifo_size = 0,
+};
+
+static void snd_card_dummy_runtime_free(struct snd_pcm_runtime *runtime)
+{
+	int i;
+//int found=0;
+
+//printk("snd_card_dummy_runtime_free giova 1 giovaindex=%d dpcm=%p runtime=%p\n", giovaindex, runtime->private_data, runtime);
+	spin_lock_bh(&giovalock);
+
+	for (i = 0; i < giovaindex; i++) {
+
+		if (i > MAX_PCM_SUBSTREAMS || giovaindex > MAX_PCM_SUBSTREAMS) {
+			printk("giova, %s:%d, i=%d, giovaindex=%d \n", __FILE__, __LINE__, i, giovaindex);
+		}
+		//if((giovadpcms[i].substream == substream)  && (giovadpcms[i].dpcm == dpcm)){
+		if ((giovadpcms[i].dpcm == runtime->private_data)) {
+			//printk("giova, %s:%d, i=%d, giovaindex=%d %p==%p YES I AM!!!!\n", __FILE__, __LINE__, i, giovaindex, giovadpcms[i].dpcm , runtime->private_data);
+			//giovadpcms[i].dpcm = NULL;
+			//giovadpcms[i].substream = NULL;
+			giovadpcms[i].started = 0;
+			//break;
+		} else {
+			//printk("giova, %s:%d, i=%d, giovaindex=%d %p!=%p NOT ME\n", __FILE__, __LINE__, i, giovaindex, giovadpcms[i].dpcm , runtime->private_data);
+		}
+	}
+
+	spin_unlock_bh(&giovalock);
+	kfree(runtime->private_data);
+}
+
+static int snd_card_dummy_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params)
+{
+	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
+}
+
+static int snd_card_dummy_hw_free(struct snd_pcm_substream *substream)
+{
+	return snd_pcm_lib_free_pages(substream);
+}
+
+static struct snd_dummy_pcm *new_pcm_stream(struct snd_pcm_substream *substream)
+{
+	struct snd_dummy_pcm *dpcm;
+	int i;
+	int found = 0;
+
+	//printk("giova, %s:%d, i=%d, giovaindex=%d %p==%p YES I AM!!!!\n", __FILE__, __LINE__, i, giovaindex, giovadpcms[i].dpcm , runtime->private_data);
+	//printk("giova, %s:%d, giovaindex=%d\n", __FILE__, __LINE__, giovaindex);
+	dpcm = kzalloc(sizeof(*dpcm), GFP_KERNEL);
+	//printk("giova, %s:%d, giovaindex=%d\n", __FILE__, __LINE__, giovaindex);
+	if (!dpcm) {
+		//spin_unlock_bh(&giovalock);
+		printk("giova, %s:%d, giovaindex=%d NO MEMORY!!!!\n", __FILE__, __LINE__, giovaindex);
+		return dpcm;
+	}
+	//printk("giova, %s:%d, giovaindex=%d dpcm=%p\n", __FILE__, __LINE__, giovaindex, dpcm);
+	init_timer(&dpcm->timer);
+	//dpcm->timer.data = (unsigned long) dpcm;
+	//dpcm->timer.function = snd_card_dummy_pcm_timer_function;
+	spin_lock_init(&dpcm->lock);
+	dpcm->substream = substream;
+
+	spin_lock_bh(&giovalock);
+	//printk("giova 1 giovaindex=%d dpcm=%p substream=%p sizeof=%lu\n", giovaindex, dpcm, substream, sizeof(*dpcm));
+	for (i = 0; i < giovaindex; i++) {
+
+		if (i > MAX_PCM_SUBSTREAMS || giovaindex > MAX_PCM_SUBSTREAMS) {
+			printk("giova, %s:%d, i=%d, giovaindex=%d dpcm=%p\n", __FILE__, __LINE__, i, giovaindex, dpcm);
+		}
+		//if((giovadpcms[i].substream == substream)  && (giovadpcms[i].dpcm == dpcm))
+		if ((giovadpcms[i].substream == substream)) {
+			found = 1;
+			break;
+		}
+
+	}
+
+	if (!found) {
+
+		giovadpcms[giovaindex].substream = substream;
+		giovaindex++;
+		//printk("giova 2 giovaindex=%d dpcm=%p substream=%p\n", giovaindex, dpcm, substream);
+	}
+
+
+
+	found = 0;
+	for (i = 0; i < giovaindex; i++) {
+
+		if (i > MAX_PCM_SUBSTREAMS || giovaindex > MAX_PCM_SUBSTREAMS) {
+			printk("giova, %s:%d, i=%d, giovaindex=%d dpcm=%p\n", __FILE__, __LINE__, i, giovaindex, dpcm);
+		}
+		if (giovadpcms[i].substream == substream) {
+			giovadpcms[i].dpcm = dpcm;
+			giovadpcms[i].started = 0;
+			found = 1;
+			//printk("giova 3 giovaindex=%d dpcm=%p substream=%p\n", giovaindex, dpcm, substream);
+			break;
+		}
+
+	}
+
+	spin_unlock_bh(&giovalock);
+	if (!found) {
+		printk("skypiax giovaindex=%d NOT found????\n", giovaindex);
+	}
+	//printk("giova, %s:%d, giovaindex=%d\n", __FILE__, __LINE__, giovaindex);
+	return dpcm;
+}
+
+static int snd_card_dummy_playback_open(struct snd_pcm_substream *substream)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_dummy_pcm *dpcm;
+	int err;
+
+	if ((dpcm = new_pcm_stream(substream)) == NULL)
+		return -ENOMEM;
+	//printk("giova, %s:%d, giovaindex=%d dpcm=%p\n", __FILE__, __LINE__, giovaindex, dpcm);
+	runtime->private_data = dpcm;
+	/* makes the infrastructure responsible for freeing dpcm */
+	runtime->private_free = snd_card_dummy_runtime_free;
+	runtime->hw = snd_card_dummy_playback;
+	if (substream->pcm->device & 1) {
+		runtime->hw.info &= ~SNDRV_PCM_INFO_INTERLEAVED;
+		runtime->hw.info |= SNDRV_PCM_INFO_NONINTERLEAVED;
+	}
+	if (substream->pcm->device & 2)
+		runtime->hw.info &= ~(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID);
+	err = add_playback_constraints(runtime);
+	if (err < 0)
+		return err;
+
+	return 0;
+}
+
+static int snd_card_dummy_capture_open(struct snd_pcm_substream *substream)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	struct snd_dummy_pcm *dpcm;
+	int err;
+
+	if ((dpcm = new_pcm_stream(substream)) == NULL)
+		return -ENOMEM;
+	//printk("giova, %s:%d, giovaindex=%d dpcm=%p\n", __FILE__, __LINE__, giovaindex, dpcm);
+	runtime->private_data = dpcm;
+	/* makes the infrastructure responsible for freeing dpcm */
+	runtime->private_free = snd_card_dummy_runtime_free;
+	runtime->hw = snd_card_dummy_capture;
+	if (substream->pcm->device == 1) {
+		runtime->hw.info &= ~SNDRV_PCM_INFO_INTERLEAVED;
+		runtime->hw.info |= SNDRV_PCM_INFO_NONINTERLEAVED;
+	}
+	if (substream->pcm->device & 2)
+		runtime->hw.info &= ~(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID);
+	err = add_capture_constraints(runtime);
+	if (err < 0)
+		return err;
+
+	return 0;
+}
+
+static int snd_card_dummy_playback_close(struct snd_pcm_substream *substream)
+{
+//printk("play giova 1 giovaindex=%d dpcm=%p substream=%p\n", giovaindex, substream->private_data, substream);
+	snd_card_dummy_pcm_timer_stop(substream->private_data);
+	return 0;
+}
+
+static int snd_card_dummy_capture_close(struct snd_pcm_substream *substream)
+{
+//printk("capt giova 2 giovaindex=%d dpcm=%p substream=%p\n", giovaindex, substream->private_data, substream);
+	snd_card_dummy_pcm_timer_stop(substream->private_data);
+	return 0;
+}
+
+static struct snd_pcm_ops snd_card_dummy_playback_ops = {
+	.open = snd_card_dummy_playback_open,
+	.close = snd_card_dummy_playback_close,
+	.ioctl = snd_pcm_lib_ioctl,
+	.hw_params = snd_card_dummy_hw_params,
+	.hw_free = snd_card_dummy_hw_free,
+	.prepare = snd_card_dummy_pcm_prepare,
+	.trigger = snd_card_dummy_pcm_trigger,
+	.pointer = snd_card_dummy_pcm_pointer,
+};
+
+static struct snd_pcm_ops snd_card_dummy_capture_ops = {
+	.open = snd_card_dummy_capture_open,
+	.close = snd_card_dummy_capture_close,
+	.ioctl = snd_pcm_lib_ioctl,
+	.hw_params = snd_card_dummy_hw_params,
+	.hw_free = snd_card_dummy_hw_free,
+	.prepare = snd_card_dummy_pcm_prepare,
+	.trigger = snd_card_dummy_pcm_trigger,
+	.pointer = snd_card_dummy_pcm_pointer,
+};
+
+static int __devinit snd_card_dummy_pcm(struct snd_dummy *dummy, int device, int substreams)
+{
+	struct snd_pcm *pcm;
+	int err;
+
+	err = snd_pcm_new(dummy->card, "Dummy PCM", device, substreams, substreams, &pcm);
+	if (err < 0)
+		return err;
+	dummy->pcm = pcm;
+	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_card_dummy_playback_ops);
+	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_card_dummy_capture_ops);
+	pcm->private_data = dummy;
+	pcm->info_flags = 0;
+	strcpy(pcm->name, "Dummy PCM");
+	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS, snd_dma_continuous_data(GFP_KERNEL), 128 * 1024, 1024 * 1024);
+
+	return 0;
+}
+
+#define DUMMY_VOLUME(xname, xindex, addr) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+  .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
+  .name = xname, .index = xindex, \
+  .info = snd_dummy_volume_info, \
+  .get = snd_dummy_volume_get, .put = snd_dummy_volume_put, \
+  .private_value = addr, \
+  .tlv = { .p = db_scale_dummy } }
+
+static int snd_dummy_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+	uinfo->count = 2;
+	uinfo->value.integer.min = -50;
+	uinfo->value.integer.max = 100;
+	return 0;
+}
+
+static int snd_dummy_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_dummy *dummy = snd_kcontrol_chip(kcontrol);
+	int addr = kcontrol->private_value;
+	//unsigned long flags;
+
+	if (in_irq())
+		printk("giova: line %d we are in HARDWARE IRQ\n", __LINE__);
+//printk("giova: volume get %d %d\n", __LINE__, addr);
+	//spin_lock_irq(&dummy->mixer_lock);
+	//spin_lock_irqsave(&dummy->mixer_lock, flags);
+	spin_lock_bh(&dummy->mixer_lock);
+	ucontrol->value.integer.value[0] = dummy->mixer_volume[addr][0];
+	ucontrol->value.integer.value[1] = dummy->mixer_volume[addr][1];
+	//spin_unlock_irqrestore(&dummy->mixer_lock, flags);
+	spin_unlock_bh(&dummy->mixer_lock);
+	return 0;
+}
+
+static int snd_dummy_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_dummy *dummy = snd_kcontrol_chip(kcontrol);
+	int change, addr = kcontrol->private_value;
+	int left, right;
+	//unsigned long flags;
+
+	if (in_irq())
+		printk("giova: line %d we are in HARDWARE IRQ\n", __LINE__);
+	left = ucontrol->value.integer.value[0];
+	if (left < -50)
+		left = -50;
+	if (left > 100)
+		left = 100;
+	right = ucontrol->value.integer.value[1];
+	if (right < -50)
+		right = -50;
+	if (right > 100)
+		right = 100;
+//printk("giova: volume put %d %d\n", __LINE__, addr);
+	//spin_lock_irq(&dummy->mixer_lock);
+	//spin_lock_irqsave(&dummy->mixer_lock, flags);
+	spin_lock_bh(&dummy->mixer_lock);
+	change = dummy->mixer_volume[addr][0] != left || dummy->mixer_volume[addr][1] != right;
+	dummy->mixer_volume[addr][0] = left;
+	dummy->mixer_volume[addr][1] = right;
+	//spin_unlock_irq(&dummy->mixer_lock);
+	//spin_unlock_irqrestore(&dummy->mixer_lock, flags);
+	spin_unlock_bh(&dummy->mixer_lock);
+	return change;
+}
+
+static const DECLARE_TLV_DB_SCALE(db_scale_dummy, -4500, 30, 0);
+
+#define DUMMY_CAPSRC(xname, xindex, addr) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
+  .info = snd_dummy_capsrc_info, \
+  .get = snd_dummy_capsrc_get, .put = snd_dummy_capsrc_put, \
+  .private_value = addr }
+
+#define snd_dummy_capsrc_info	snd_ctl_boolean_stereo_info
+
+static int snd_dummy_capsrc_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_dummy *dummy = snd_kcontrol_chip(kcontrol);
+	int addr = kcontrol->private_value;
+	//unsigned long flags;
+
+	if (in_irq())
+		printk("giova: line %d we are in HARDWARE IRQ\n", __LINE__);
+	//spin_lock_irq(&dummy->mixer_lock);
+	//spin_lock_irqsave(&dummy->mixer_lock, flags);
+	spin_lock_bh(&dummy->mixer_lock);
+	ucontrol->value.integer.value[0] = dummy->capture_source[addr][0];
+	ucontrol->value.integer.value[1] = dummy->capture_source[addr][1];
+	//spin_unlock_irq(&dummy->mixer_lock);
+	//spin_unlock_irqrestore(&dummy->mixer_lock, flags);
+	spin_unlock_bh(&dummy->mixer_lock);
+//printk("giova: capsrc_get %d %d\n", __LINE__, addr);
+	return 0;
+}
+
+static int snd_dummy_capsrc_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+	struct snd_dummy *dummy = snd_kcontrol_chip(kcontrol);
+	int change, addr = kcontrol->private_value;
+	int left, right;
+	//unsigned long flags;
+
+	if (in_irq())
+		printk("giova: line %d we are in HARDWARE IRQ\n", __LINE__);
+	left = ucontrol->value.integer.value[0] & 1;
+	right = ucontrol->value.integer.value[1] & 1;
+	//spin_lock_irq(&dummy->mixer_lock);
+	//spin_lock_irqsave(&dummy->mixer_lock, flags);
+	spin_lock_bh(&dummy->mixer_lock);
+	change = dummy->capture_source[addr][0] != left && dummy->capture_source[addr][1] != right;
+	dummy->capture_source[addr][0] = left;
+	dummy->capture_source[addr][1] = right;
+	//spin_unlock_irq(&dummy->mixer_lock);
+	//spin_unlock_irqrestore(&dummy->mixer_lock, flags);
+	spin_unlock_bh(&dummy->mixer_lock);
+//printk("giova: capsrc_put %d %d\n", __LINE__, addr);
+	return change;
+}
+
+static struct snd_kcontrol_new snd_dummy_controls[] = {
+	DUMMY_VOLUME("Master Volume", 0, MIXER_ADDR_MASTER),
+	DUMMY_CAPSRC("Master Capture Switch", 0, MIXER_ADDR_MASTER),
+	DUMMY_VOLUME("Synth Volume", 0, MIXER_ADDR_SYNTH),
+	DUMMY_CAPSRC("Synth Capture Switch", 0, MIXER_ADDR_SYNTH),
+	DUMMY_VOLUME("Line Volume", 0, MIXER_ADDR_LINE),
+	DUMMY_CAPSRC("Line Capture Switch", 0, MIXER_ADDR_LINE),
+	DUMMY_VOLUME("Mic Volume", 0, MIXER_ADDR_MIC),
+	DUMMY_CAPSRC("Mic Capture Switch", 0, MIXER_ADDR_MIC),
+	DUMMY_VOLUME("CD Volume", 0, MIXER_ADDR_CD),
+	DUMMY_CAPSRC("CD Capture Switch", 0, MIXER_ADDR_CD)
+};
+
+static int __devinit snd_card_dummy_new_mixer(struct snd_dummy *dummy)
+{
+	struct snd_card *card = dummy->card;
+	unsigned int idx;
+	int err;
+
+	//giova if (snd_BUG_ON(!dummy))
+	//giova return -EINVAL;
+	spin_lock_init(&dummy->mixer_lock);
+	strcpy(card->mixername, "Dummy Mixer");
+//printk("giova: new_mixer %d\n", __LINE__);
+	return 0;					//giova no mixer
+
+	for (idx = 0; idx < ARRAY_SIZE(snd_dummy_controls); idx++) {
+		err = snd_ctl_add(card, snd_ctl_new1(&snd_dummy_controls[idx], dummy));
+		if (err < 0)
+			return err;
+	}
+	return 0;
+}
+
+static int __devinit snd_dummy_probe(struct platform_device *devptr)
+{
+	struct snd_card *card;
+	struct snd_dummy *dummy;
+	int idx, err;
+	int dev = devptr->id;
+
+	card = snd_card_new(index[dev], id[dev], THIS_MODULE, sizeof(struct snd_dummy));
+	if (card == NULL)
+		return -ENOMEM;
+
+	//giova err = snd_card_create(index[dev], id[dev], THIS_MODULE,
+	//giova sizeof(struct snd_dummy), &card);
+	//giova if (err < 0)
+	//giova return err;
+	dummy = card->private_data;
+	dummy->card = card;
+	for (idx = 0; idx < MAX_PCM_DEVICES && idx < pcm_devs[dev]; idx++) {
+		if (pcm_substreams[dev] < 1)
+			pcm_substreams[dev] = 1;
+		if (pcm_substreams[dev] > MAX_PCM_SUBSTREAMS)
+			pcm_substreams[dev] = MAX_PCM_SUBSTREAMS;
+		err = snd_card_dummy_pcm(dummy, idx, pcm_substreams[dev]);
+		if (err < 0)
+			goto __nodev;
+	}
+	err = snd_card_dummy_new_mixer(dummy);
+	if (err < 0)
+		goto __nodev;
+	strcpy(card->driver, "Dummy");
+	strcpy(card->shortname, "Dummy");
+	sprintf(card->longname, "Dummy %i", dev + 1);
+
+	snd_card_set_dev(card, &devptr->dev);
+
+	err = snd_card_register(card);
+	if (err == 0) {
+		platform_set_drvdata(devptr, card);
+		return 0;
+	}
+  __nodev:
+	snd_card_free(card);
+	return err;
+}
+
+static int __devexit snd_dummy_remove(struct platform_device *devptr)
+{
+
+	del_timer(&giovatimer);
+	snd_card_free(platform_get_drvdata(devptr));
+	platform_set_drvdata(devptr, NULL);
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int snd_dummy_suspend(struct platform_device *pdev, pm_message_t state)
+{
+	struct snd_card *card = platform_get_drvdata(pdev);
+	struct snd_dummy *dummy = card->private_data;
+
+	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
+	snd_pcm_suspend_all(dummy->pcm);
+	return 0;
+}
+
+static int snd_dummy_resume(struct platform_device *pdev)
+{
+	struct snd_card *card = platform_get_drvdata(pdev);
+
+	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
+	return 0;
+}
+#endif
+
+#define SND_DUMMY_DRIVER	"snd_dummy"
+
+static struct platform_driver snd_dummy_driver = {
+	.probe = snd_dummy_probe,
+	.remove = __devexit_p(snd_dummy_remove),
+#ifdef CONFIG_PM
+	.suspend = snd_dummy_suspend,
+	.resume = snd_dummy_resume,
+#endif
+	.driver = {
+			   .name = SND_DUMMY_DRIVER},
+};
+
+static void snd_dummy_unregister_all(void)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(devices); ++i)
+		platform_device_unregister(devices[i]);
+	platform_driver_unregister(&snd_dummy_driver);
+}
+
+static int __init alsa_card_dummy_init(void)
+{
+	int i, cards, err;
+
+	err = platform_driver_register(&snd_dummy_driver);
+	if (err < 0)
+		return err;
+
+	if (!giovastarted) {
+		giovastarted = 1;
+		spin_lock_init(&giovalock);
+
+		spin_lock_bh(&giovalock);
+		for (i = 0; i < MAX_PCM_SUBSTREAMS; i++) {
+
+			if (i > MAX_PCM_SUBSTREAMS || giovaindex > MAX_PCM_SUBSTREAMS) {
+				printk("giova, %s:%d, i=%d, giovaindex=%d \n", __FILE__, __LINE__, i, giovaindex);
+			}
+			giovadpcms[i].substream = NULL;
+			giovadpcms[i].dpcm = NULL;
+			giovadpcms[i].started = 0;
+		}
+		init_timer(&giovatimer);
+		//giovatimer.data = (unsigned long) dpcm;
+		giovatimer.data = (unsigned long) &giovadpcms;
+		giovatimer.function = snd_card_dummy_pcm_timer_function;
+		giovatimer.expires = ((HZ / 1000) *GIOVAMULTI)+ jiffies;
+		add_timer(&giovatimer);
+		printk("003 snd-dummy skypiax driver, %s:%d working on a machine with %dHZ kernel\n", __FILE__, __LINE__, HZ);
+		spin_unlock_bh(&giovalock);
+	}
+
+
+	cards = 0;
+	for (i = 0; i < SNDRV_CARDS; i++) {
+		struct platform_device *device;
+		if (!enable[i])
+			continue;
+		device = platform_device_register_simple(SND_DUMMY_DRIVER, i, NULL, 0);
+		if (IS_ERR(device))
+			continue;
+		if (!platform_get_drvdata(device)) {
+			platform_device_unregister(device);
+			continue;
+		}
+		devices[i] = device;
+		cards++;
+	}
+	if (!cards) {
+#ifdef MODULE
+		printk(KERN_ERR "Dummy soundcard not found or device busy\n");
+#endif
+		snd_dummy_unregister_all();
+		return -ENODEV;
+	}
+	return 0;
+}
+
+static void __exit alsa_card_dummy_exit(void)
+{
+	del_timer(&giovatimer);
+	snd_dummy_unregister_all();
+}
+
+module_init(alsa_card_dummy_init)
+	module_exit(alsa_card_dummy_exit)

src/mod/endpoints/mod_skypiax/074_low_latency/mod_skypiax.2008.vcproj

@@ -0,0 +1,164 @@
+<?xml version="1.0" encoding="Windows-1252"?>
+<VisualStudioProject
+	ProjectType="Visual C++"
+	Version="9.00"
+	Name="mod_skypiax"
+	ProjectGUID="{C6E78A4C-DB1E-47F4-9B63-4DC27D86343F}"
+	RootNamespace="mod_skypiax"
+	Keyword="Win32Proj"
+	TargetFrameworkVersion="131072"
+	>
+	<Platforms>
+		<Platform
+			Name="Win32"
+		/>
+	</Platforms>
+	<ToolFiles>
+	</ToolFiles>
+	<Configurations>
+		<Configuration
+			Name="Debug|Win32"
+			ConfigurationType="2"
+			InheritedPropertySheets="..\..\..\..\w32\module_debug.vsprops"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				UsePrecompiledHeader="0"
+				WarningLevel="4"
+				WarnAsError="false"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalOptions="rpcrt4.lib "
+				RandomizedBaseAddress="1"
+				DataExecutionPrevention="0"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="Release|Win32"
+			ConfigurationType="2"
+			InheritedPropertySheets="..\..\..\..\w32\module_release.vsprops"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				UsePrecompiledHeader="0"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalOptions="rpcrt4.lib "
+				RandomizedBaseAddress="1"
+				DataExecutionPrevention="0"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+	</Configurations>
+	<References>
+	</References>
+	<Files>
+		<File
+			RelativePath="..\mod_skypiax\mod_skypiax.c"
+			>
+		</File>
+		<File
+			RelativePath=".\skypiax.h"
+			>
+		</File>
+		<File
+			RelativePath=".\skypiax_protocol.c"
+			>
+		</File>
+	</Files>
+	<Globals>
+	</Globals>
+</VisualStudioProject>

src/mod/endpoints/mod_skypiax/074_low_latency/mod_skypiax.log

@@ -0,0 +1,5 @@
+gcc -shared  .libs/mod_skypiax_la-mod_skypiax.o .libs/mod_skypiax_la-skypiax_protocol.o  -Wl,--rpath -Wl,/usr/src/freeswitch/.libs -Wl,--rpath -Wl,/usr/local/freeswitch/lib -lm -lX11 /usr/src/freeswitch/.libs/libfreeswitch.so -L/usr/src/freeswitch/libs/apr-util/xml/expat/lib -L/usr/src/freeswitch/libs/apr-util/xml/expat/lib/.libs -L/usr/src/freeswitch/libs/apr/.libs -L/usr/src/freeswitch/libs/srtp -lncurses  -Wl,-soname -Wl,mod_skypiax.so -o .libs/mod_skypiax.so
+ar cru .libs/mod_skypiax.a  mod_skypiax_la-mod_skypiax.o mod_skypiax_la-skypiax_protocol.o
+ranlib .libs/mod_skypiax.a
+creating mod_skypiax.la
+(cd .libs && rm -f mod_skypiax.la && ln -s ../mod_skypiax.la mod_skypiax.la)

src/mod/endpoints/mod_skypiax/074_low_latency/skypiax.h

@@ -0,0 +1,332 @@
+/*
+ * FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ * Copyright (C) 2005/2006, Anthony Minessale II <anthmct@yahoo.com>
+ *
+ * Version: MPL 1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ *
+ * The Initial Developer of the Original Code is
+ * Anthony Minessale II <anthmct@yahoo.com>
+ * Portions created by the Initial Developer are Copyright (C)
+ * the Initial Developer. All Rights Reserved.
+ *
+ * This module (mod_skypiax) has been contributed by:
+ *
+ * Giovanni Maruzzelli (gmaruzz@gmail.com)
+ *
+ *
+ * Further Contributors:
+ *
+ *
+ *
+ * mod_skypiax.c -- Skype compatible Endpoint Module
+ *
+ */
+
+#include <switch.h>
+#include <switch_version.h>
+
+#ifndef WIN32
+#include <sys/time.h>
+#include <X11/Xlib.h>
+#include <X11/Xlibint.h>
+#include <X11/Xatom.h>
+#endif //WIN32
+
+#ifdef _MSC_VER
+//Windows macro  for FD_SET includes a warning C4127: conditional expression is constant
+#pragma warning(push)
+#pragma warning(disable:4127)
+#endif
+
+#define MY_EVENT_INCOMING_CHATMESSAGE "skypiax::incoming_chatmessage"
+
+#define SAMPLERATE_SKYPIAX 16000
+#define SAMPLES_PER_FRAME SAMPLERATE_SKYPIAX/50
+
+#ifndef SKYPIAX_SVN_VERSION
+#define SKYPIAX_SVN_VERSION SWITCH_VERSION_REVISION
+#endif /* SKYPIAX_SVN_VERSION */
+
+typedef enum {
+	TFLAG_IO = (1 << 0),
+	TFLAG_INBOUND = (1 << 1),
+	TFLAG_OUTBOUND = (1 << 2),
+	TFLAG_DTMF = (1 << 3),
+	TFLAG_VOICE = (1 << 4),
+	TFLAG_HANGUP = (1 << 5),
+	TFLAG_LINEAR = (1 << 6),
+	TFLAG_CODEC = (1 << 7),
+	TFLAG_BREAK = (1 << 8)
+} TFLAGS;
+
+typedef enum {
+	GFLAG_MY_CODEC_PREFS = (1 << 0)
+} GFLAGS;
+
+#define DEBUGA_SKYPE(...)  switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, 		"rev "SKYPIAX_SVN_VERSION "[%p|%-7lx][DEBUG_SKYPE  %-5d][%-10s][%2d,%2d,%2d] " __VA_ARGS__ );
+#define DEBUGA_CALL(...)  switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, 		"rev "SKYPIAX_SVN_VERSION "[%p|%-7lx][DEBUG_CALL  %-5d][%-10s][%2d,%2d,%2d] " __VA_ARGS__ );
+#define DEBUGA_PBX(...)  switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, 		"rev "SKYPIAX_SVN_VERSION "[%p|%-7lx][DEBUG_PBX  %-5d][%-10s][%2d,%2d,%2d] " __VA_ARGS__ );
+#define ERRORA(...)  switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, 		"rev "SKYPIAX_SVN_VERSION "[%p|%-7lx][ERRORA  %-5d][%-10s][%2d,%2d,%2d] " __VA_ARGS__ );
+#define WARNINGA(...)  switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, 		"rev "SKYPIAX_SVN_VERSION "[%p|%-7lx][WARNINGA  %-5d][%-10s][%2d,%2d,%2d] " __VA_ARGS__ );
+#define NOTICA(...)  switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, 		"rev "SKYPIAX_SVN_VERSION "[%p|%-7lx][NOTICA  %-5d][%-10s][%2d,%2d,%2d] " __VA_ARGS__ );
+
+#define SKYPIAX_P_LOG NULL, (unsigned long)55, __LINE__, tech_pvt ? tech_pvt->name ? tech_pvt->name : "none" : "none", -1, tech_pvt ? tech_pvt->interface_state : -1, tech_pvt ? tech_pvt->skype_callflow : -1
+
+/*********************************/
+#define SKYPIAX_CAUSE_NORMAL		1
+/*********************************/
+#define SKYPIAX_FRAME_DTMF			1
+/*********************************/
+#define SKYPIAX_CONTROL_RINGING		1
+#define SKYPIAX_CONTROL_ANSWER		2
+
+/*********************************/
+#define		SKYPIAX_STATE_IDLE					0
+#define		SKYPIAX_STATE_DOWN					1
+#define		SKYPIAX_STATE_RING					2
+#define		SKYPIAX_STATE_DIALING				3
+#define		SKYPIAX_STATE_BUSY					4
+#define		SKYPIAX_STATE_UP					5
+#define		SKYPIAX_STATE_RINGING				6
+#define		SKYPIAX_STATE_PRERING				7
+#define		SKYPIAX_STATE_ERROR_DOUBLE_CALL		8
+#define		SKYPIAX_STATE_SELECTED				9
+#define 	SKYPIAX_STATE_HANGUP_REQUESTED		10
+#define		SKYPIAX_STATE_PREANSWER				11
+/*********************************/
+/* call flow from the device */
+#define 	CALLFLOW_CALL_IDLE					0
+#define 	CALLFLOW_CALL_DOWN					1
+#define 	CALLFLOW_INCOMING_RING				2
+#define 	CALLFLOW_CALL_DIALING				3
+#define 	CALLFLOW_CALL_LINEBUSY				4
+#define 	CALLFLOW_CALL_ACTIVE				5
+#define 	CALLFLOW_INCOMING_HANGUP			6
+#define 	CALLFLOW_CALL_RELEASED				7
+#define 	CALLFLOW_CALL_NOCARRIER				8
+#define 	CALLFLOW_CALL_INFLUX				9
+#define 	CALLFLOW_CALL_INCOMING				10
+#define 	CALLFLOW_CALL_FAILED				11
+#define 	CALLFLOW_CALL_NOSERVICE				12
+#define 	CALLFLOW_CALL_OUTGOINGRESTRICTED	13
+#define 	CALLFLOW_CALL_SECURITYFAIL			14
+#define 	CALLFLOW_CALL_NOANSWER				15
+#define 	CALLFLOW_STATUS_FINISHED			16
+#define 	CALLFLOW_STATUS_CANCELLED			17
+#define 	CALLFLOW_STATUS_FAILED				18
+#define 	CALLFLOW_STATUS_REFUSED				19
+#define 	CALLFLOW_STATUS_RINGING				20
+#define 	CALLFLOW_STATUS_INPROGRESS			21
+#define 	CALLFLOW_STATUS_UNPLACED			22
+#define 	CALLFLOW_STATUS_ROUTING				23
+#define 	CALLFLOW_STATUS_EARLYMEDIA			24
+#define 	CALLFLOW_INCOMING_CALLID			25
+#define 	CALLFLOW_STATUS_REMOTEHOLD			26
+
+/*********************************/
+
+#define SKYPIAX_MAX_INTERFACES 64
+
+#ifndef WIN32
+struct SkypiaxHandles {
+	Window skype_win;
+	Display *disp;
+	Window win;
+	int currentuserhandle;
+	int api_connected;
+	int fdesc[2];
+};
+#else //WIN32
+
+struct SkypiaxHandles {
+	HWND win32_hInit_MainWindowHandle;
+	HWND win32_hGlobal_SkypeAPIWindowHandle;
+	HINSTANCE win32_hInit_ProcessHandle;
+	char win32_acInit_WindowClassName[128];
+	UINT win32_uiGlobal_MsgID_SkypeControlAPIAttach;
+	UINT win32_uiGlobal_MsgID_SkypeControlAPIDiscover;
+	int currentuserhandle;
+	int api_connected;
+	switch_file_t *fdesc[2];
+};
+#endif //WIN32
+
+#define MAX_CHATS 10
+
+struct chat {
+	char chatname[256];
+	char dialog_partner[256];
+};
+typedef struct chat chat_t;
+
+#define MAX_CHATMESSAGES 10
+
+struct chatmessage {
+	char id[256];
+	char type[256];
+	char chatname[256];
+	char from_handle[256];
+	char from_dispname[256];
+	char body[512];
+};
+typedef struct chatmessage chatmessage_t;
+struct private_object {
+	unsigned int flags;
+	switch_codec_t read_codec;
+	switch_codec_t write_codec;
+	switch_frame_t read_frame;
+	unsigned char databuf[SWITCH_RECOMMENDED_BUFFER_SIZE];
+	char session_uuid_str[SWITCH_UUID_FORMATTED_LENGTH + 1];
+	switch_caller_profile_t *caller_profile;
+	switch_mutex_t *mutex;
+	switch_mutex_t *flag_mutex;
+	switch_mutex_t *flag_audio_cli_mutex;
+	switch_mutex_t *flag_audio_srv_mutex;
+
+	char interface_id[80];
+	char name[80];
+	char dialplan[80];
+	char context[80];
+	char dial_regex[256];
+	char fail_dial_regex[256];
+	char hold_music[256];
+	char type[256];
+	char X11_display[256];
+#ifdef WIN32
+	unsigned short tcp_cli_port;
+	unsigned short tcp_srv_port;
+#else
+	int tcp_cli_port;
+	int tcp_srv_port;
+#endif
+	struct SkypiaxHandles SkypiaxHandles;
+
+	int interface_state;		/*!< \brief 'state' of the interface (channel) */
+	char language[80];			/*!< \brief default Asterisk dialplan language for this interface */
+	char exten[80];				/*!< \brief default Asterisk dialplan extension for this interface */
+	int skypiax_sound_rate;		/*!< \brief rate of the sound device, in Hz, eg: 8000 */
+	char callid_name[50];
+	char callid_number[50];
+	double playback_boost;
+	double capture_boost;
+	int stripmsd;
+	char skype_call_id[512];
+	int skype_call_ongoing;
+	char skype_friends[4096];
+	char skype_fullname[512];
+	char skype_displayname[512];
+	int skype_callflow;			/*!< \brief 'callflow' of the skype interface (as opposed to phone interface) */
+	int skype;					/*!< \brief config flag, bool, Skype support on this interface (0 if false, -1 if true) */
+	int control_to_send;
+#ifdef WIN32
+	switch_file_t *audiopipe_srv[2];
+	switch_file_t *audiopipe_cli[2];
+	switch_file_t *skypiax_sound_capt_fd;	/*!< \brief file descriptor for sound capture dev */
+#else							/* WIN32 */
+	int audiopipe_srv[2];
+	int audiopipe_cli[2];
+	int skypiax_sound_capt_fd;	/*!< \brief file descriptor for sound capture dev */
+#endif							/* WIN32 */
+	switch_thread_t *tcp_srv_thread;
+	switch_thread_t *tcp_cli_thread;
+	switch_thread_t *skypiax_signaling_thread;
+	switch_thread_t *skypiax_api_thread;
+	short audiobuf[SAMPLES_PER_FRAME];
+	int audiobuf_is_loaded;
+	short audiobuf_cli[SAMPLES_PER_FRAME];
+	switch_mutex_t *mutex_audio_cli;
+	int flag_audio_cli;
+	short audiobuf_srv[SAMPLES_PER_FRAME];
+	switch_mutex_t *mutex_audio_srv;
+	int flag_audio_srv;
+
+	//int phonebook_listing;
+	//int phonebook_querying;
+	//int phonebook_listing_received_calls;
+
+	//int phonebook_first_entry;
+	//int phonebook_last_entry;
+	//int phonebook_number_lenght;
+	//int phonebook_text_lenght;
+	FILE *phonebook_writing_fp;
+	int skypiax_dir_entry_extension_prefix;
+	char skype_user[256];
+	char skype_password[256];
+	char destination[256];
+	struct timeval answer_time;
+
+	struct timeval transfer_time;
+	char transfer_callid_number[50];
+	char skype_transfer_call_id[512];
+	int running;
+	uint32_t ib_calls;
+	uint32_t ob_calls;
+	uint32_t ib_failed_calls;
+	uint32_t ob_failed_calls;
+
+	chatmessage_t chatmessages[MAX_CHATMESSAGES];
+	chat_t chats[MAX_CHATS];
+	uint32_t report_incoming_chatmessages;
+	switch_timer_t timer_read;
+	switch_timer_t timer_write;
+unsigned int writefd;
+unsigned int readfd;
+};
+
+typedef struct private_object private_t;
+
+void *SWITCH_THREAD_FUNC skypiax_api_thread_func(switch_thread_t * thread, void *obj);
+int skypiax_audio_read(private_t * tech_pvt);
+int skypiax_audio_init(private_t * tech_pvt);
+int skypiax_signaling_write(private_t * tech_pvt, char *msg_to_skype);
+int skypiax_signaling_read(private_t * tech_pvt);
+
+int skypiax_call(private_t * tech_pvt, char *idest, int timeout);
+int skypiax_senddigit(private_t * tech_pvt, char digit);
+
+void *skypiax_do_tcp_srv_thread_func(void *obj);
+void *SWITCH_THREAD_FUNC skypiax_do_tcp_srv_thread(switch_thread_t * thread, void *obj);
+
+void *skypiax_do_tcp_cli_thread_func(void *obj);
+void *SWITCH_THREAD_FUNC skypiax_do_tcp_cli_thread(switch_thread_t * thread, void *obj);
+
+void *skypiax_do_skypeapi_thread_func(void *obj);
+void *SWITCH_THREAD_FUNC skypiax_do_skypeapi_thread(switch_thread_t * thread, void *obj);
+int dtmf_received(private_t * tech_pvt, char *value);
+int start_audio_threads(private_t * tech_pvt);
+int new_inbound_channel(private_t * tech_pvt);
+int outbound_channel_answered(private_t * tech_pvt);
+int skypiax_signaling_write(private_t * tech_pvt, char *msg_to_skype);
+#if defined(WIN32) && !defined(__CYGWIN__)
+int skypiax_pipe_read(switch_file_t * pipe, short *buf, int howmany);
+int skypiax_pipe_write(switch_file_t * pipe, short *buf, int howmany);
+/* Visual C do not have strsep ? */
+char *strsep(char **stringp, const char *delim);
+#else
+int skypiax_pipe_read(int pipe, short *buf, int howmany);
+int skypiax_pipe_write(int pipe, short *buf, int howmany);
+#endif /* WIN32 */
+int skypiax_close_socket(unsigned int fd);
+private_t *find_available_skypiax_interface_rr(private_t * tech_pvt_calling);
+int remote_party_is_ringing(private_t * tech_pvt);
+int remote_party_is_early_media(private_t * tech_pvt);
+int skypiax_answer(private_t * tech_pvt, char *id, char *value);
+int skypiax_transfer(private_t * tech_pvt, char *id, char *value);
+#ifndef WIN32
+int skypiax_socket_create_and_bind(private_t * tech_pvt, int *which_port);
+#else
+int skypiax_socket_create_and_bind(private_t * tech_pvt, unsigned short *which_port);
+#endif //WIN32
+int incoming_chatmessage(private_t * tech_pvt, int which);

src/mod/endpoints/mod_skypiax/mod_skypiax.c

@@ -36,7 +36,12 @@
 
 #include "skypiax.h"
 #define MDL_CHAT_PROTO "skype"
+#undef TIMERS_ON
+#ifdef TIMERS_ON
 #define TIMER_WRITE
+#else
+#undef TIMER_WRITE
+#endif
 
 #ifdef WIN32
 /***************/
@@ -258,6 +263,7 @@ switch_status_t skypiax_tech_init(private_t * tech_pvt, switch_core_session_t *s
 		return SWITCH_STATUS_FALSE;
 	}
 
+#ifdef TIMERS_ON
 	if (switch_core_timer_init(&tech_pvt->timer_read, "soft", 20, tech_pvt->read_codec.implementation->samples_per_packet, skypiax_module_pool) !=
 		SWITCH_STATUS_SUCCESS) {
 		ERRORA("setup timer failed\n", SKYPIAX_P_LOG);
@@ -265,6 +271,7 @@ switch_status_t skypiax_tech_init(private_t * tech_pvt, switch_core_session_t *s
 	}
 
 	switch_core_timer_sync(&tech_pvt->timer_read);
+#endif// TIMERS_ON
 
 #ifdef TIMER_WRITE
 	if (switch_core_timer_init(&tech_pvt->timer_write, "soft", 20, tech_pvt->write_codec.implementation->samples_per_packet, skypiax_module_pool) !=
@@ -482,7 +489,9 @@ static switch_status_t channel_on_destroy(switch_core_session_t *session)
 			switch_core_codec_destroy(&tech_pvt->write_codec);
 		}
 
+#ifdef TIMERS_ON
 		switch_core_timer_destroy(&tech_pvt->timer_read);
+#endif// TIMERS_ON
 #ifdef TIMER_WRITE
 
 		switch_core_timer_destroy(&tech_pvt->timer_write);
@@ -675,6 +684,7 @@ static switch_status_t channel_read_frame(switch_core_session_t *session, switch
 	switch_channel_t *channel = NULL;
 	private_t *tech_pvt = NULL;
 	switch_byte_t *data;
+//unsigned int len;
 
 	channel = switch_core_session_get_channel(session);
 	switch_assert(channel != NULL);
@@ -693,7 +703,14 @@ static switch_status_t channel_read_frame(switch_core_session_t *session, switch
 
 	//switch_core_timer_next(&tech_pvt->timer_read);
 
-	if (!skypiax_audio_read(tech_pvt)) {
+						if (tech_pvt->skype_callflow != CALLFLOW_STATUS_REMOTEHOLD) {
+							tech_pvt->read_frame.datalen = recv(tech_pvt->readfd, (char *) tech_pvt->read_frame.data, 320, 0);	//seems that Skype only sends 320 bytes at time
+						} else {
+							tech_pvt->read_frame.datalen = 0;
+						}
+
+	//if (!skypiax_audio_read(tech_pvt)) {
+	if (!tech_pvt->read_frame.datalen) {
 
 		ERRORA("skypiax_audio_read ERROR\n", SKYPIAX_P_LOG);
 
@@ -719,7 +736,9 @@ static switch_status_t channel_read_frame(switch_core_session_t *session, switch
 				DEBUGA_SKYPE("CHANNEL READ CONTINUE\n", SKYPIAX_P_LOG);
 				continue;
 			}
+#ifdef TIMERS_ON
 			switch_core_timer_check(&tech_pvt->timer_read, SWITCH_TRUE);
+#endif// TIMERS_ON
 			*frame = &tech_pvt->read_frame;
 #if SWITCH_BYTE_ORDER == __BIG_ENDIAN
 			if (switch_test_flag(tech_pvt, TFLAG_LINEAR)) {
@@ -752,7 +771,7 @@ static switch_status_t channel_write_frame(switch_core_session_t *session, switc
 {
 	switch_channel_t *channel = NULL;
 	private_t *tech_pvt = NULL;
-	unsigned int sent;
+	unsigned int sent=0;
 
 	channel = switch_core_session_get_channel(session);
 	switch_assert(channel != NULL);
@@ -771,26 +790,50 @@ static switch_status_t channel_write_frame(switch_core_session_t *session, switc
 	}
 #endif
 
+#if 0
 	sent = frame->datalen;
 #ifdef WIN32
 	//switch_file_write(tech_pvt->audiopipe_cli[1], frame->data, &sent);
 #else /* WIN32 */
 	//sent = write(tech_pvt->audiopipe_cli[1], frame->data, sent);
 #endif /* WIN32 */
-	if (tech_pvt->flag_audio_cli == 1) {
+	//if (tech_pvt->flag_audio_cli == 0) {
-		switch_sleep(1000);		//1 millisec
-	}
-	if (tech_pvt->flag_audio_cli == 0) {
 #ifdef TIMER_WRITE
-
 		switch_core_timer_next(&tech_pvt->timer_write);
 #endif // TIMER_WRITE
 
+	//while (tech_pvt->flag_audio_cli == 1) {
+		//switch_sleep(1000);		//10 millisec
+						//WARNINGA("write now is 1\n", SKYPIAX_P_LOG);
+	//}
+	switch_mutex_lock(tech_pvt->flag_audio_cli_mutex);
 		memcpy(tech_pvt->audiobuf_cli, frame->data, frame->datalen);
 		tech_pvt->flag_audio_cli = 1;
-	}
+	switch_mutex_unlock(tech_pvt->flag_audio_cli_mutex);
+	//}
 	//NOTICA("write \n", SKYPIAX_P_LOG);
+#endif //0
 
+#ifdef TIMER_WRITE
+/* NONBLOCKING ? */
+		//switch_core_timer_next(&tech_pvt->timer_write);
+		//switch_core_timer_check(&tech_pvt->timer_write, SWITCH_TRUE);
+#endif // TIMER_WRITE
+	/* send the 16khz frame to the Skype client waiting for incoming audio to be sent to the remote party */
+								if (tech_pvt->skype_callflow != CALLFLOW_STATUS_REMOTEHOLD) {
+									sent = send(tech_pvt->writefd, (char *) frame->data, frame->datalen, 0);
+									if (sent == -1) {
+										ERRORA("EXIT? sent=%d\n", SKYPIAX_P_LOG, sent);
+									} else if (sent != frame->datalen) {
+										ERRORA("sent=%d\n", SKYPIAX_P_LOG, sent);
+									}
+								}
+
+
+#ifdef TIMER_WRITE
+/* BLOCKING ? */
+		//switch_core_timer_check(&tech_pvt->timer_write, SWITCH_TRUE);
+#endif // TIMER_WRITE
 	if (sent != frame->datalen && sent != -1) {
 		DEBUGA_SKYPE("CLI PIPE write %d\n", SKYPIAX_P_LOG, sent);
 	}
@@ -831,7 +874,9 @@ static switch_status_t channel_receive_message(switch_core_session_t *session, s
 		{
 			DEBUGA_SKYPE("MSG_ID=%d, TO BE ANSWERED!\n", SKYPIAX_P_LOG, msg->message_id);
 
+#ifdef TIMERS_ON
 			switch_core_timer_sync(&tech_pvt->timer_read);
+#endif// TIMERS_ON
 #ifdef TIMER_WRITE
 			switch_core_timer_sync(&tech_pvt->timer_write);
 #endif // TIMER_WRITE
@@ -842,7 +887,9 @@ static switch_status_t channel_receive_message(switch_core_session_t *session, s
 
 		DEBUGA_SKYPE("%s CHANNEL got SWITCH_MESSAGE_INDICATE_AUDIO_SYNC\n", SKYPIAX_P_LOG, switch_channel_get_name(channel));
 
+#ifdef TIMERS_ON
 		switch_core_timer_sync(&tech_pvt->timer_read);
+#endif// TIMERS_ON
 #ifdef TIMER_WRITE
 		switch_core_timer_sync(&tech_pvt->timer_write);
 #endif // TIMER_WRITE
@@ -850,7 +897,9 @@ static switch_status_t channel_receive_message(switch_core_session_t *session, s
 	default:
 		{
 
+#ifdef TIMERS_ON
 			switch_core_timer_sync(&tech_pvt->timer_read);
+#endif// TIMERS_ON
 #ifdef TIMER_WRITE
 
 			switch_core_timer_sync(&tech_pvt->timer_write);
@@ -1395,6 +1444,8 @@ static switch_status_t load_config(int reload_type)
 
 				skypiax_audio_init(&globals.SKYPIAX_INTERFACES[interface_id]);
 
+	switch_mutex_init(&globals.SKYPIAX_INTERFACES[interface_id].flag_audio_srv_mutex, SWITCH_MUTEX_NESTED, skypiax_module_pool);
+	switch_mutex_init(&globals.SKYPIAX_INTERFACES[interface_id].flag_audio_cli_mutex, SWITCH_MUTEX_NESTED, skypiax_module_pool);
 				NOTICA
 					("WAITING roughly 10 seconds to find a running Skype client and connect to its SKYPE API for interface_id=%d\n",
 					 SKYPIAX_P_LOG, interface_id);

src/mod/endpoints/mod_skypiax/skypiax.h

@@ -192,6 +192,8 @@ struct private_object {
 	switch_caller_profile_t *caller_profile;
 	switch_mutex_t *mutex;
 	switch_mutex_t *flag_mutex;
+	switch_mutex_t *flag_audio_cli_mutex;
+	switch_mutex_t *flag_audio_srv_mutex;
 
 	char interface_id[80];
 	char name[80];
@@ -279,6 +281,8 @@ struct private_object {
 	uint32_t report_incoming_chatmessages;
 	switch_timer_t timer_read;
 	switch_timer_t timer_write;
+unsigned int writefd;
+unsigned int readfd;
 };
 
 typedef struct private_object private_t;

src/mod/endpoints/mod_skypiax/skypiax_protocol.c

@@ -55,8 +55,9 @@ int skypiax_socket_create_and_bind(private_t * tech_pvt, unsigned short *which_p
 		start_port = *which_port;
 
 	my_addr.sin_port = htons(start_port);
+/* NONBLOCKING ? */
 	//fcntl(s, F_SETFL, O_NONBLOCK);
-	//tech_pvt->tcp_cli_port = start_port;
+
 	*which_port = start_port;
 	while (bind(s, (struct sockaddr *) &my_addr, sizeof(struct sockaddr)) < 0) {
 		DEBUGA_SKYPE("*which_port=%d, tech_pvt->tcp_cli_port=%d, tech_pvt->tcp_srv_port=%d\n", SKYPIAX_P_LOG, *which_port, tech_pvt->tcp_cli_port,
@@ -723,22 +724,22 @@ void *skypiax_do_tcp_srv_thread_func(void *obj)
 	private_t *tech_pvt = obj;
 	int s;
 	unsigned int len;
-	unsigned int i;
+	//unsigned int i;
-	unsigned int a;
+	//unsigned int a;
 #if defined(WIN32) && !defined(__CYGWIN__)
 	int sin_size;
 #else /* WIN32 */
 	unsigned int sin_size;
 #endif /* WIN32 */
 	unsigned int fd;
-	short srv_in[SAMPLES_PER_FRAME];
+	//short srv_in[SAMPLES_PER_FRAME];
-	short srv_out[SAMPLES_PER_FRAME / 2];
+	//short srv_out[SAMPLES_PER_FRAME / 2];
 	//struct sockaddr_in my_addr;
 	struct sockaddr_in remote_addr;
 	//int exit = 0;
 	unsigned int kill_cli_size;
 	short kill_cli_buff[SAMPLES_PER_FRAME];
-	short totalbuf[SAMPLES_PER_FRAME];
+	//short totalbuf[SAMPLES_PER_FRAME];
 	int sockbufsize = 0;
 	unsigned int size = sizeof(int);
 
@@ -798,6 +799,13 @@ void *skypiax_do_tcp_srv_thread_func(void *obj)
 						   || tech_pvt->skype_callflow == CALLFLOW_STATUS_EARLYMEDIA
 						   || tech_pvt->skype_callflow == CALLFLOW_STATUS_REMOTEHOLD || tech_pvt->skype_callflow == SKYPIAX_STATE_UP)) {
 
+					tech_pvt->readfd = fd;
+						WARNINGA("read HERE\n", SKYPIAX_P_LOG);
+						skypiax_sleep(100000);
+
+
+#ifdef NOLOOP
+
 					unsigned int fdselect;
 					int rt;
 					fd_set fs;
@@ -867,13 +875,16 @@ void *skypiax_do_tcp_srv_thread_func(void *obj)
 
 
 								howmany = SAMPLES_PER_FRAME * sizeof(short);
-								if (tech_pvt->flag_audio_srv == 1) {
+								//while (tech_pvt->flag_audio_srv == 1) {
-									switch_sleep(1000);	//1 millisec
+									//switch_sleep(1000);	//10 millisec
-								}
+						//WARNINGA("read now is 1\n", SKYPIAX_P_LOG);
-								if (tech_pvt->flag_audio_srv == 0) {
+								//}
+								//if (tech_pvt->flag_audio_srv == 0) {
+	switch_mutex_lock(tech_pvt->flag_audio_srv_mutex);
 									memcpy(tech_pvt->audiobuf_srv, totalbuf, SAMPLES_PER_FRAME * sizeof(short));
 									tech_pvt->flag_audio_srv = 1;
-								}
+	switch_mutex_unlock(tech_pvt->flag_audio_srv_mutex);
+								//}
 								//NOTICA("read \n", SKYPIAX_P_LOG);
 								if (howmany != SAMPLES_PER_FRAME * sizeof(short)) {
 									ERRORA("howmany is %d, but was expected to be %d\n", SKYPIAX_P_LOG,
@@ -895,6 +906,7 @@ void *skypiax_do_tcp_srv_thread_func(void *obj)
 						skypiax_sleep(10000);
 					}
 
+#endif// NOLOOP
 				}
 
 				/* let's send some frame in the pipes, so both tcp_cli and tcp_srv will have an occasion to die */
@@ -919,6 +931,7 @@ void *skypiax_do_tcp_srv_thread_func(void *obj)
 				skypiax_sleep(2000);
 				DEBUGA_SKYPE("Skype incoming audio GONE\n", SKYPIAX_P_LOG);
 				skypiax_close_socket(fd);
+				break;
 			}
 		}
 	}
@@ -935,13 +948,15 @@ void *skypiax_do_tcp_cli_thread_func(void *obj)
 	int s;
 	//struct sockaddr_in my_addr;
 	struct sockaddr_in remote_addr;
+#ifdef NOVARS
 	unsigned int got;
 	unsigned int len;
 	unsigned int i;
 	unsigned int a;
-	unsigned int fd;
 	short cli_out[SAMPLES_PER_FRAME * 2];
 	short cli_in[SAMPLES_PER_FRAME];
+#endif// NOVARS
+	unsigned int fd;
 #ifdef WIN32
 	int sin_size;
 #else
@@ -1010,10 +1025,19 @@ void *skypiax_do_tcp_cli_thread_func(void *obj)
 
 				if (!(running && tech_pvt->running))
 					break;
+
+
+
+
 				while (tech_pvt->interface_state != SKYPIAX_STATE_DOWN
 					   && (tech_pvt->skype_callflow == CALLFLOW_STATUS_INPROGRESS
 						   || tech_pvt->skype_callflow == CALLFLOW_STATUS_EARLYMEDIA
 						   || tech_pvt->skype_callflow == CALLFLOW_STATUS_REMOTEHOLD || tech_pvt->skype_callflow == SKYPIAX_STATE_UP)) {
+					tech_pvt->writefd = fd;
+						NOTICA("write HERE\n", SKYPIAX_P_LOG);
+						skypiax_sleep(100000);
+#if 0
+#ifdef NOVARS
 					unsigned int fdselect;
 					int rt;
 					fd_set fs;
@@ -1040,32 +1064,46 @@ void *skypiax_do_tcp_cli_thread_func(void *obj)
 					fdselect = fd;
 					FD_SET(fdselect, &fs);
 
-					//FIXME rt = select(fdselect + 1, NULL, &fs, NULL, &to);
+#endif// NOVARS
+#if 0
+					rt = select(fdselect + 1, NULL, &fs, NULL, NULL);
 					while (tech_pvt->flag_audio_cli == 0) {
 #ifdef WIN32
 						skypiax_sleep(100);	//0.1 millisec
 #else
-						skypiax_sleep(1000);	//1 millisec
+						skypiax_sleep(1000);	//10 millisec
 #endif //WIN32
-						//WARNINGA("write now is 0\n", SKYPIAX_P_LOG);
+						NOTICA("write now is 0\n", SKYPIAX_P_LOG);
 					}
 					//ERRORA("write is now 1\n", SKYPIAX_P_LOG);
 
 					rt = 1;
+#endif //0
+					//rt = select(fdselect + 1, NULL, &fs, NULL, NULL);
 
+#ifdef NOLOOP
 					if (rt > 0) {
 						int counter;
-
+#if 0
+					while (tech_pvt->flag_audio_cli == 0) {
+#ifdef WIN32
+						skypiax_sleep(100);	//0.1 millisec
+#else
+						skypiax_sleep(10000);	//10 millisec
+#endif //WIN32
+						WARNINGA("write now is 0\n", SKYPIAX_P_LOG);
+					}
+#endif //0
+	
 						/* until we drained the pipe to empty */
-						//for (counter = 0; counter < 10; counter++) {
 						for (counter = 0; counter < 1; counter++) {
 							/* read from the pipe the audio frame we are supposed to send out */
 							//got = skypiax_pipe_read(tech_pvt->audiopipe_cli[0], cli_in, SAMPLES_PER_FRAME * sizeof(short));
 
 
 							got = SAMPLES_PER_FRAME * sizeof(short);
+	switch_mutex_lock(tech_pvt->flag_audio_cli_mutex);
 							memcpy(cli_in, tech_pvt->audiobuf_cli, SAMPLES_PER_FRAME * sizeof(short));
-							tech_pvt->flag_audio_cli = 0;
 
 
 
@@ -1101,6 +1139,7 @@ void *skypiax_do_tcp_cli_thread_func(void *obj)
 								/* send the 16khz frame to the Skype client waiting for incoming audio to be sent to the remote party */
 								if (tech_pvt->skype_callflow != CALLFLOW_STATUS_REMOTEHOLD) {
 									len = send(fd, (char *) cli_out, got, 0);
+							tech_pvt->flag_audio_cli = 0;
 									//skypiax_sleep(5000);  //5 msec
 
 									if (len == -1) {
@@ -1112,6 +1151,7 @@ void *skypiax_do_tcp_cli_thread_func(void *obj)
 									}
 								}
 
+	switch_mutex_unlock(tech_pvt->flag_audio_cli_mutex);
 							} else {
 
 								WARNINGA("got is %d, but was expected to be %d\n", SKYPIAX_P_LOG, got, (int) (SAMPLES_PER_FRAME * sizeof(short)));
@@ -1134,9 +1174,12 @@ void *skypiax_do_tcp_cli_thread_func(void *obj)
 						skypiax_sleep(1000);
 					}
 
+#endif// NOLOOP
+#endif// 0
 				}
 				DEBUGA_SKYPE("Skype outbound audio GONE\n", SKYPIAX_P_LOG);
 				skypiax_close_socket(fd);
+				break;
 			}
 		}
 	}
@@ -1151,20 +1194,24 @@ int skypiax_audio_read(private_t * tech_pvt)
 {
 	unsigned int samples;
 
+#if 0
 	while (tech_pvt->flag_audio_srv == 0) {
 #ifdef WIN32
 		skypiax_sleep(100);		//0.1 millisec
 #else
-		skypiax_sleep(1000);	//1 millisec
+		skypiax_sleep(1000);	//10 millisec
 #endif //WIN32
 
-		//WARNINGA("read now is 0\n", SKYPIAX_P_LOG);
+		WARNINGA("read now is 0\n", SKYPIAX_P_LOG);
 	}
+#endif //0
 	//ERRORA("read is now 1\n", SKYPIAX_P_LOG);
 	//samples = skypiax_pipe_read(tech_pvt->audiopipe_srv[0], tech_pvt->read_frame.data, SAMPLES_PER_FRAME * sizeof(short));
 	samples = SAMPLES_PER_FRAME * sizeof(short);
+	switch_mutex_lock(tech_pvt->flag_audio_srv_mutex);
 	memcpy(tech_pvt->read_frame.data, tech_pvt->audiobuf_srv, SAMPLES_PER_FRAME * sizeof(short));
 	tech_pvt->flag_audio_srv = 0;
+	switch_mutex_unlock(tech_pvt->flag_audio_srv_mutex);
 
 	if (samples != SAMPLES_PER_FRAME * sizeof(short)) {
 		if (samples)