mirror of
https://github.com/signalwire/freeswitch.git
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g729 codec add (this needs to leave somwhere else)
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@106 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Michael Jerris
parent
77980897b9
commit
0ce22f5ac7
193
src/mod/mod_codec_g729/mod_codec_g729.c
Normal file
193
src/mod/mod_codec_g729/mod_codec_g729.c
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@ -0,0 +1,193 @@
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/*
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* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
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* Copyright (C) 2005/2006, Anthony Minessale II <anthmct@yahoo.com>
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*
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* Version: MPL 1.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
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*
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* The Initial Developer of the Original Code is
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* Anthony Minessale II <anthmct@yahoo.com>
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* Portions created by the Initial Developer are Copyright (C)
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Anthony Minessale II <anthmct@yahoo.com>
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*
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*
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* mod_codec_g729.c -- G729 Codec Module
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*
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*/
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#include "switch.h"
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#include "g729.h"
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static const char modname[] = "mod_codec_g729";
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struct g729_context {
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struct dec_state *decoder_object;
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struct cod_state *encoder_object;
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};
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static switch_status switch_g729_init(switch_codec *codec, switch_codec_flag flags, const struct switch_codec_settings *codec_settings)
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{
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struct dec_state *decoder_object = NULL;
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struct cod_state *encoder_object = NULL;
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struct g729_context *context = NULL;
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int encoding, decoding;
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encoding = (flags & SWITCH_CODEC_FLAG_ENCODE);
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decoding = (flags & SWITCH_CODEC_FLAG_DECODE);
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if (!(encoding || decoding) || (!(context = switch_core_alloc(codec->memory_pool, sizeof(*context))))) {
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return SWITCH_STATUS_FALSE;
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} else {
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if ((encoding) && (!(encoder_object = switch_core_alloc(codec->memory_pool, sizeof(*encoder_object))))) {
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return SWITCH_STATUS_FALSE;
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}
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if ((decoding) && (!(decoder_object = switch_core_alloc(codec->memory_pool, sizeof(*decoder_object))))) {
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return SWITCH_STATUS_FALSE;
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}
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if (encoder_object) {
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g729_init_coder(encoder_object, 0);
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}
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if (decoder_object) {
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g729_init_decoder(decoder_object);
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}
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context->decoder_object = decoder_object;
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context->encoder_object = encoder_object;
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codec->private = context;
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return SWITCH_STATUS_SUCCESS;
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}
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}
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static switch_status switch_g729_destroy(switch_codec *codec)
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{
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codec->private = NULL;
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return SWITCH_STATUS_SUCCESS;
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}
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static switch_status switch_g729_encode(switch_codec *codec,
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switch_codec *other_codec,
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void *decoded_data,
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size_t decoded_data_len,
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void *encoded_data,
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size_t *encoded_data_len,
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unsigned int *flag)
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{
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struct g729_context *context = codec->private;
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struct cod_state *encoder_object = context->encoder_object;
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short *dbuf;
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unsigned char *ebuf;
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int cbret = 0;
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if (!context)
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return SWITCH_STATUS_FALSE;
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dbuf = decoded_data;
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ebuf = encoded_data;
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if (decoded_data_len < (size_t)codec->implementation->samples_per_frame*2 || *encoded_data_len < (size_t)codec->implementation->encoded_bytes_per_frame)
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return SWITCH_STATUS_FALSE;
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g729_coder(encoder_object, (short *) dbuf, ebuf, &cbret);
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*encoded_data_len = (codec->implementation->encoded_bytes_per_frame / 2);
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return SWITCH_STATUS_SUCCESS;
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}
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static switch_status switch_g729_decode(switch_codec *codec,
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switch_codec *other_codec,
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void *encoded_data,
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size_t encoded_data_len,
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void *decoded_data,
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size_t *decoded_data_len,
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unsigned int *flag)
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{
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struct g729_context *context = codec->private;
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struct dec_state *decoder_object = context->decoder_object;
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short *dbuf;
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unsigned char *ebuf;
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if (!context)
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return SWITCH_STATUS_FALSE;
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dbuf = decoded_data;
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ebuf = encoded_data;
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if ((encoded_data_len * 2) < (size_t)codec->implementation->encoded_bytes_per_frame)
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return SWITCH_STATUS_FALSE;
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if (*flag & SWITCH_CODEC_FLAG_SILENCE) {
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memset(dbuf, 0, codec->implementation->bytes_per_frame);
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*decoded_data_len = codec->implementation->bytes_per_frame;
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} else {
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g729_decoder(decoder_object, decoded_data, (void *) encoded_data, (int)encoded_data_len);
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*decoded_data_len = codec->implementation->bytes_per_frame;
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}
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return SWITCH_STATUS_SUCCESS;
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}
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/* Registration */
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static const switch_codec_implementation g729_8k_implementation = {
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/*.samples_per_second*/ 8000,
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/*.bits_per_second*/ 64000,
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/*.microseconds_per_frame*/ 20000,
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/*.samples_per_frame*/ 160,
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/*.bytes_per_frame*/ 320,
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/*.encoded_bytes_per_frame*/ 20,
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/*.number_of_channels*/ 1,
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/*.pref_frames_per_packet*/ 6,
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/*.max_frames_per_packet*/ 24,
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/*.init*/ switch_g729_init,
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/*.encode*/ switch_g729_encode,
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/*.decode*/ switch_g729_decode,
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/*.destroy*/ switch_g729_destroy,
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};
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static const switch_codec_interface g729_codec_interface = {
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/*.interface_name*/ "g729",
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/*.codec_type*/ SWITCH_CODEC_TYPE_AUDIO,
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/*.ianacode*/ 18,
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/*.iananame*/ "G729",
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/*.implementations*/ &g729_8k_implementation,
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};
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static switch_loadable_module_interface g729_module_interface = {
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/*.module_name*/ modname,
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/*.endpoint_interface*/ NULL,
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/*.timer_interface*/ NULL,
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/*.dialplan_interface*/ NULL,
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/*.codec_interface*/ &g729_codec_interface,
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/*.application_interface*/ NULL
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};
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SWITCH_MOD_DECLARE(switch_status) switch_module_load(const switch_loadable_module_interface **interface, char *filename) {
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/* connect my internal structure to the blank pointer passed to me */
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*interface = &g729_module_interface;
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/* indicate that the module should continue to be loaded */
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return SWITCH_STATUS_SUCCESS;
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}
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209
src/mod/mod_codec_g729/mod_codec_g729.vcproj
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209
src/mod/mod_codec_g729/mod_codec_g729.vcproj
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@ -0,0 +1,209 @@
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<?xml version="1.0" encoding="Windows-1252"?>
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<VisualStudioProject
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ProjectType="Visual C++"
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Version="8.00"
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Name="mod_codec_g729"
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ProjectGUID="{B1FE4613-3F4B-4DAF-9714-2472BF8F56AE}"
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RootNamespace="mod_codec_g729"
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Keyword="Win32Proj"
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>
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<Platforms>
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<Platform
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Name="Win32"
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/>
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</Platforms>
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|
<ToolFiles>
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|
</ToolFiles>
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|
<Configurations>
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|
<Configuration
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|
Name="Debug|Win32"
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|
OutputDirectory="Debug"
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|
IntermediateDirectory="Debug"
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|
ConfigurationType="2"
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|
InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC71.vsprops"
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|
CharacterSet="2"
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||||||
|
>
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||||||
|
<Tool
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||||||
|
Name="VCPreBuildEventTool"
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||||||
|
/>
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||||||
|
<Tool
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||||||
|
Name="VCCustomBuildTool"
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||||||
|
/>
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||||||
|
<Tool
|
||||||
|
Name="VCXMLDataGeneratorTool"
|
||||||
|
/>
|
||||||
|
<Tool
|
||||||
|
Name="VCWebServiceProxyGeneratorTool"
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||||||
|
/>
|
||||||
|
<Tool
|
||||||
|
Name="VCMIDLTool"
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||||||
|
/>
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||||||
|
<Tool
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|
Name="VCCLCompilerTool"
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|
Optimization="0"
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|
AdditionalIncludeDirectories=""$(InputDir)..\..\include";"$(InputDir)..\..\..\libs\apr\include";"$(InputDir)..\..\..\libs\libg729""
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PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;MOD_EXPORTS"
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|
MinimalRebuild="true"
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|
BasicRuntimeChecks="3"
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|
RuntimeLibrary="1"
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|
UsePrecompiledHeader="0"
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||||||
|
WarningLevel="3"
|
||||||
|
Detect64BitPortabilityProblems="true"
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||||||
|
DebugInformationFormat="4"
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|
/>
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||||||
|
<Tool
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||||||
|
Name="VCManagedResourceCompilerTool"
|
||||||
|
/>
|
||||||
|
<Tool
|
||||||
|
Name="VCResourceCompilerTool"
|
||||||
|
/>
|
||||||
|
<Tool
|
||||||
|
Name="VCPreLinkEventTool"
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||||||
|
/>
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||||||
|
<Tool
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|
Name="VCLinkerTool"
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|
AdditionalDependencies="libapr-1.lib libg729.lib FreeSwitchCore.lib"
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|
OutputFile="..\..\..\w32\vsnet\$(OutDir)/mod/mod_codec_g729.dll"
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LinkIncremental="2"
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|
AdditionalLibraryDirectories=""$(InputDir)..\..\..\libs\apr\Debug";"$(InputDir)..\..\..\libs\libg729\Debug";..\..\..\w32\vsnet\Debug"
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|
GenerateDebugInformation="true"
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|
ProgramDatabaseFile="$(OutDir)/mod_codec_g729.pdb"
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|
SubSystem="2"
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|
ImportLibrary="$(OutDir)/mod_codec_g729.lib"
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TargetMachine="1"
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|
/>
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|
<Tool
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||||||
|
Name="VCALinkTool"
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||||||
|
/>
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||||||
|
<Tool
|
||||||
|
Name="VCManifestTool"
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||||||
|
/>
|
||||||
|
<Tool
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||||||
|
Name="VCXDCMakeTool"
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||||||
|
/>
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||||||
|
<Tool
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||||||
|
Name="VCBscMakeTool"
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||||||
|
/>
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||||||
|
<Tool
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||||||
|
Name="VCFxCopTool"
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||||||
|
/>
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||||||
|
<Tool
|
||||||
|
Name="VCAppVerifierTool"
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||||||
|
/>
|
||||||
|
<Tool
|
||||||
|
Name="VCWebDeploymentTool"
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||||||
|
/>
|
||||||
|
<Tool
|
||||||
|
Name="VCPostBuildEventTool"
|
||||||
|
/>
|
||||||
|
</Configuration>
|
||||||
|
<Configuration
|
||||||
|
Name="Release|Win32"
|
||||||
|
OutputDirectory="Release"
|
||||||
|
IntermediateDirectory="Release"
|
||||||
|
ConfigurationType="2"
|
||||||
|
InheritedPropertySheets="$(VCInstallDir)VCProjectDefaults\UpgradeFromVC71.vsprops"
|
||||||
|
CharacterSet="2"
|
||||||
|
>
|
||||||
|
<Tool
|
||||||
|
Name="VCPreBuildEventTool"
|
||||||
|
/>
|
||||||
|
<Tool
|
||||||
|
Name="VCCustomBuildTool"
|
||||||
|
/>
|
||||||
|
<Tool
|
||||||
|
Name="VCXMLDataGeneratorTool"
|
||||||
|
/>
|
||||||
|
<Tool
|
||||||
|
Name="VCWebServiceProxyGeneratorTool"
|
||||||
|
/>
|
||||||
|
<Tool
|
||||||
|
Name="VCMIDLTool"
|
||||||
|
/>
|
||||||
|
<Tool
|
||||||
|
Name="VCCLCompilerTool"
|
||||||
|
AdditionalIncludeDirectories=""$(InputDir)..\..\include";"$(InputDir)..\..\..\libs\apr\include";"$(InputDir)..\..\..\libs\libg729""
|
||||||
|
PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;MOD_EXPORTS"
|
||||||
|
RuntimeLibrary="0"
|
||||||
|
UsePrecompiledHeader="0"
|
||||||
|
WarningLevel="3"
|
||||||
|
Detect64BitPortabilityProblems="true"
|
||||||
|
DebugInformationFormat="3"
|
||||||
|
/>
|
||||||
|
<Tool
|
||||||
|
Name="VCManagedResourceCompilerTool"
|
||||||
|
/>
|
||||||
|
<Tool
|
||||||
|
Name="VCResourceCompilerTool"
|
||||||
|
/>
|
||||||
|
<Tool
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||||||
|
Name="VCPreLinkEventTool"
|
||||||
|
/>
|
||||||
|
<Tool
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||||||
|
Name="VCLinkerTool"
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||||||
|
AdditionalDependencies="libapr-1.lib libg729.lib FreeSwitchCore.lib"
|
||||||
|
OutputFile="..\..\..\w32\vsnet\$(OutDir)/mod/mod_codec_g729.dll"
|
||||||
|
LinkIncremental="1"
|
||||||
|
AdditionalLibraryDirectories=""$(InputDir)..\..\..\libs\apr\Release";"$(InputDir)..\..\..\libs\libg729\Release";..\..\..\w32\vsnet\Release"
|
||||||
|
GenerateDebugInformation="true"
|
||||||
|
SubSystem="2"
|
||||||
|
OptimizeReferences="2"
|
||||||
|
EnableCOMDATFolding="2"
|
||||||
|
ImportLibrary="$(OutDir)/mod_codec_g729.lib"
|
||||||
|
TargetMachine="1"
|
||||||
|
/>
|
||||||
|
<Tool
|
||||||
|
Name="VCALinkTool"
|
||||||
|
/>
|
||||||
|
<Tool
|
||||||
|
Name="VCManifestTool"
|
||||||
|
/>
|
||||||
|
<Tool
|
||||||
|
Name="VCXDCMakeTool"
|
||||||
|
/>
|
||||||
|
<Tool
|
||||||
|
Name="VCBscMakeTool"
|
||||||
|
/>
|
||||||
|
<Tool
|
||||||
|
Name="VCFxCopTool"
|
||||||
|
/>
|
||||||
|
<Tool
|
||||||
|
Name="VCAppVerifierTool"
|
||||||
|
/>
|
||||||
|
<Tool
|
||||||
|
Name="VCWebDeploymentTool"
|
||||||
|
/>
|
||||||
|
<Tool
|
||||||
|
Name="VCPostBuildEventTool"
|
||||||
|
/>
|
||||||
|
</Configuration>
|
||||||
|
</Configurations>
|
||||||
|
<References>
|
||||||
|
</References>
|
||||||
|
<Files>
|
||||||
|
<Filter
|
||||||
|
Name="Source Files"
|
||||||
|
Filter="cpp;c;cxx;def;odl;idl;hpj;bat;asm;asmx"
|
||||||
|
UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}"
|
||||||
|
>
|
||||||
|
<File
|
||||||
|
RelativePath="mod_codec_g729.c"
|
||||||
|
>
|
||||||
|
</File>
|
||||||
|
</Filter>
|
||||||
|
<Filter
|
||||||
|
Name="Header Files"
|
||||||
|
Filter="h;hpp;hxx;hm;inl;inc;xsd"
|
||||||
|
UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}"
|
||||||
|
>
|
||||||
|
</Filter>
|
||||||
|
<Filter
|
||||||
|
Name="Resource Files"
|
||||||
|
Filter="rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx"
|
||||||
|
UniqueIdentifier="{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}"
|
||||||
|
>
|
||||||
|
</Filter>
|
||||||
|
</Files>
|
||||||
|
<Globals>
|
||||||
|
</Globals>
|
||||||
|
</VisualStudioProject>
|
||||||
Loading…
x
Reference in New Issue
Block a user