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FS-9142 [avmd] Dynamic settings 

Add check of per session settings
in avmd_callback and init_avmd_session
This commit is contained in:
Piotr Gregor 2016-06-04 21:52:04 +01:00
parent 15d250ed7c
commit 54d7c13a11
2 changed files with 136 additions and 227 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
src/mod/applications/mod_avmd/avmd_options.h
View File

@ -14,40 +14,12 @@
#define __AVMD_OPTIONS_H__ #define __AVMD_OPTIONS_H__
/* define/undefine this to enable/disable printing of avmd
* intermediate computations to log */
/*#define AVMD_DEBUG*/
/* define/undef this to enable/disable reporting of beep
* detection status after session ended */
#define AVMD_REPORT_STATUS
/* define/undefine this to enable/disable faster computation /* define/undefine this to enable/disable faster computation
* of arcus cosine - table will be created mapping floats * of arcus cosine - table will be created mapping floats
* to integers and returning arc cos values given these integer * to integers and returning arc cos values given these integer
* indices into table */ * indices into table */
/* #define AVMD_FAST_MATH */ /* #define AVMD_FAST_MATH */
/* define/undefine this to classify avmd beep detection as valid
* only when there is required number of consecutive elements
* in the SMA buffer without reset */
#define AVMD_REQUIRE_CONTINUOUS_STREAK
/* define number of samples to skip starting from the beginning
* of the frame and after reset */
#define AVMD_SAMLPE_TO_SKIP_N 6
/* define/undefine this to enable/disable simplified estimation
* of frequency based on approximation of sin(x) with (x)
* in the range x=[0,PI/2] */
#define AVMD_SIMPLIFIED_ESTIMATION
/* define/undefine to enable/disable avmd on internal channel */
/*#define AVMD_INBOUND_CHANNEL*/
/* define/undefine to enable/disable avmd on external channel */
#define AVMD_OUTBOUND_CHANNEL
#endif /* __AVMD_OPTIONS_H__ */ #endif /* __AVMD_OPTIONS_H__ */

335
src/mod/applications/mod_avmd/mod_avmd.c
View File

@ -96,10 +96,6 @@ int __isnan(double);
/* decrease this value to eliminate false positives */ /* decrease this value to eliminate false positives */
#define VARIANCE_THRESHOLD (0.00025) #define VARIANCE_THRESHOLD (0.00025)
#ifdef AVMD_REQUIRE_CONTINUOUS_STREAK
/* increase this value to eliminate false positives */
#define SAMPLES_CONSECUTIVE_STREAK 15
#endif
/*! Syntax of the API call. */ /*! Syntax of the API call. */
#define AVMD_SYNTAX "<uuid> < start | stop | set [inbound|outbound|default] | load [inbound|outbound] | reload | show >" #define AVMD_SYNTAX "<uuid> < start | stop | set [inbound|outbound|default] | load [inbound|outbound] | reload | show >"
@ -184,10 +180,7 @@ typedef struct {
/* freq_table_t ft; */ /* freq_table_t ft; */
avmd_state_t state; avmd_state_t state;
switch_time_t start_time; switch_time_t start_time;
#ifdef AVMD_REQUIRE_CONTINUOUS_STREAK size_t samples_streak; /* number of DESA samples in single streak without reset needed to validate SMA estimator */
size_t samples_streak; /* number of DESA samples in single streak without reset
needed to validate SMA estimator */
#endif
size_t sample_count; size_t sample_count;
} avmd_session_t; } avmd_session_t;
@ -200,17 +193,13 @@ struct avmd_globals
static void avmd_process(avmd_session_t *session, switch_frame_t *frame); static void avmd_process(avmd_session_t *session, switch_frame_t *frame);
static switch_bool_t avmd_callback(switch_media_bug_t * bug, static switch_bool_t avmd_callback(switch_media_bug_t * bug, void *user_data, switch_abc_type_t type);
void *user_data, switch_abc_type_t type); static switch_status_t avmd_register_all_events(void);
static switch_status_t
avmd_register_all_events(void); static void avmd_unregister_all_events(void);
static void static void
avmd_unregister_all_events(void); avmd_fire_event(enum avmd_event type, switch_core_session_t *fs_s, double freq, double v, avmd_beep_state_t beep_status, uint8_t info);
static void
avmd_fire_event(enum avmd_event type, switch_core_session_t *fs_s,
double freq, double v);
/* API [set default], reset to factory settings */ /* API [set default], reset to factory settings */
static void avmd_set_xml_default_configuration(switch_mutex_t *mutex); static void avmd_set_xml_default_configuration(switch_mutex_t *mutex);
@ -241,8 +230,7 @@ avmd_show(switch_stream_handle_t *stream, switch_mutex_t *mutex);
* @details Avmd globals mutex must be locked. * @details Avmd globals mutex must be locked.
*/ */
static switch_status_t static switch_status_t
init_avmd_session_data(avmd_session_t *avmd_session, init_avmd_session_data(avmd_session_t *avmd_session, switch_core_session_t *fs_session, switch_mutex_t *mutex)
switch_core_session_t *fs_session, switch_mutex_t *mutex)
{ {
size_t buf_sz; size_t buf_sz;
switch_status_t status = SWITCH_STATUS_SUCCESS; switch_status_t status = SWITCH_STATUS_SUCCESS;
@ -254,10 +242,7 @@ init_avmd_session_data(avmd_session_t *avmd_session,
/*! This is a worst case sample rate estimate */ /*! This is a worst case sample rate estimate */
avmd_session->rate = 48000; avmd_session->rate = 48000;
INIT_CIRC_BUFFER(&avmd_session->b, INIT_CIRC_BUFFER(&avmd_session->b, (size_t)BEEP_LEN(avmd_session->rate), (size_t)FRAME_LEN(avmd_session->rate), fs_session);
(size_t)BEEP_LEN(avmd_session->rate),
(size_t)FRAME_LEN(avmd_session->rate),
fs_session);
if (avmd_session->b.buf == NULL) { if (avmd_session->b.buf == NULL) {
status = SWITCH_STATUS_MEMERR; status = SWITCH_STATUS_MEMERR;
goto end; goto end;
@ -267,12 +252,9 @@ init_avmd_session_data(avmd_session_t *avmd_session,
avmd_session->f = 0.0; avmd_session->f = 0.0;
avmd_session->state.last_beep = 0; avmd_session->state.last_beep = 0;
avmd_session->state.beep_state = BEEP_NOTDETECTED; avmd_session->state.beep_state = BEEP_NOTDETECTED;
#ifdef AVMD_REQUIRE_CONTINUOUS_STREAK avmd_session->samples_streak = 0;
avmd_session->samples_streak = SAMPLES_CONSECUTIVE_STREAK;
#endif
memcpy(&avmd_session->settings, &avmd_globals.settings, sizeof(struct avmd_settings)); memcpy(&avmd_session->settings, &avmd_globals.settings, sizeof(struct avmd_settings));
switch_mutex_init(&avmd_session->mutex, SWITCH_MUTEX_DEFAULT, switch_mutex_init(&avmd_session->mutex, SWITCH_MUTEX_DEFAULT, switch_core_session_get_pool(fs_session));
switch_core_session_get_pool(fs_session));
avmd_session->sample_count = 0; avmd_session->sample_count = 0;
buf_sz = BEEP_LEN((uint32_t)avmd_session->rate) / (uint32_t)SINE_LEN(avmd_session->rate); buf_sz = BEEP_LEN((uint32_t)avmd_session->rate) / (uint32_t)SINE_LEN(avmd_session->rate);
@ -309,94 +291,87 @@ end:
* @param type The switch callback type. * @param type The switch callback type.
* @return The success or failure of the function. * @return The success or failure of the function.
*/ */
static switch_bool_t avmd_callback(switch_media_bug_t * bug, static switch_bool_t
void *user_data, switch_abc_type_t type) avmd_callback(switch_media_bug_t * bug, void *user_data, switch_abc_type_t type)
{ {
avmd_session_t *avmd_session; avmd_session_t *avmd_session;
#ifdef AVMD_OUTBOUND_CHANNEL
switch_codec_t *read_codec; switch_codec_t *read_codec;
#endif
#ifdef AVMD_INBOUND_CHANNEL
switch_codec_t *write_codec; switch_codec_t *write_codec;
#endif
switch_frame_t *frame; switch_frame_t *frame;
switch_core_session_t *fs_session; switch_core_session_t *fs_session;
avmd_session = (avmd_session_t *) user_data; avmd_session = (avmd_session_t *) user_data;
if (avmd_session == NULL) { if (avmd_session == NULL) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "No avmd session assigned!\n");
"No avmd session assigned!\n");
return SWITCH_FALSE; return SWITCH_FALSE;
} }
if (type != SWITCH_ABC_TYPE_INIT) {
switch_mutex_lock(avmd_session->mutex);
}
fs_session = avmd_session->session; fs_session = avmd_session->session;
if (fs_session == NULL) { if (fs_session == NULL) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, if (type != SWITCH_ABC_TYPE_INIT) {
"No FreeSWITCH session assigned!\n"); switch_mutex_lock(avmd_session->mutex);
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "No FreeSWITCH session assigned!\n");
return SWITCH_FALSE; return SWITCH_FALSE;
} }
switch (type) { switch (type) {
case SWITCH_ABC_TYPE_INIT: case SWITCH_ABC_TYPE_INIT:
#ifdef AVMD_OUTBOUND_CHANNEL if (avmd_session->settings.outbound_channnel == 1) {
read_codec = switch_core_session_get_read_codec(fs_session); read_codec = switch_core_session_get_read_codec(fs_session);
if (read_codec == NULL) { if (read_codec == NULL) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(fs_session), SWITCH_LOG_WARNING, switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(fs_session), SWITCH_LOG_WARNING, "No read codec assigned, default session rate to 8000 samples/s\n");
"No read codec assigned, default session rate to 8000 samples/s\n"); avmd_session->rate = 8000;
avmd_session->rate = 8000;
} else {
if (read_codec->implementation == NULL) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(fs_session), SWITCH_LOG_WARNING,
"No read codec implementation assigned, default session rate to 8000 samples/s\n");
avmd_session->rate = 8000;
} else { } else {
avmd_session->rate = read_codec->implementation->samples_per_second; if (read_codec->implementation == NULL) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(fs_session), SWITCH_LOG_WARNING, "No read codec implementation assigned, default session rate to 8000 samples/s\n");
avmd_session->rate = 8000;
} else {
avmd_session->rate = read_codec->implementation->samples_per_second;
}
} }
} }
#endif if (avmd_session->settings.inbound_channnel == 1) {
#ifdef AVMD_INBOUND_CHANNEL write_codec = switch_core_session_get_write_codec(fs_session);
write_codec = switch_core_session_get_write_codec(fs_session); if (write_codec == NULL) {
if (write_codec == NULL) { switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(fs_session), SWITCH_LOG_WARNING, "No write codec assigned, default session rate to 8000 samples/s\n");
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(fs_session), SWITCH_LOG_WARNING, avmd_session->rate = 8000;
"No write codec assigned, default session rate to 8000 samples/s\n");
avmd_session->rate = 8000;
} else {
if (write_codec->implementation == NULL) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(fs_session), SWITCH_LOG_WARNING,
"No write codec implementation assigned, default session rate to 8000 samples/s\n");
avmd_session->rate = 8000;
} else { } else {
avmd_session->rate = write_codec->implementation->samples_per_second; if (write_codec->implementation == NULL) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(fs_session), SWITCH_LOG_WARNING, "No write codec implementation assigned, default session rate to 8000 samples/s\n");
avmd_session->rate = 8000;
} else {
avmd_session->rate = write_codec->implementation->samples_per_second;
}
} }
} }
#endif
avmd_session->start_time = switch_micro_time_now(); avmd_session->start_time = switch_micro_time_now();
/* avmd_session->vmd_codec.channels = /* avmd_session->vmd_codec.channels =
* read_codec->implementation->number_of_channels; */ * read_codec->implementation->number_of_channels; */
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(fs_session),SWITCH_LOG_INFO, switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(fs_session),SWITCH_LOG_INFO, "Avmd session initialized, [%u] samples/s\n", avmd_session->rate);
"Avmd session initialized, [%u] samples/s\n", avmd_session->rate);
break; break;
case SWITCH_ABC_TYPE_READ_REPLACE: case SWITCH_ABC_TYPE_READ_REPLACE:
frame = switch_core_media_bug_get_read_replace_frame(bug); frame = switch_core_media_bug_get_read_replace_frame(bug);
switch_mutex_lock(avmd_session->mutex);
avmd_process(avmd_session, frame); avmd_process(avmd_session, frame);
switch_mutex_unlock(avmd_session->mutex); break;
return SWITCH_TRUE;
case SWITCH_ABC_TYPE_WRITE_REPLACE: case SWITCH_ABC_TYPE_WRITE_REPLACE:
frame = switch_core_media_bug_get_write_replace_frame(bug); frame = switch_core_media_bug_get_write_replace_frame(bug);
switch_mutex_lock(avmd_session->mutex);
avmd_process(avmd_session, frame); avmd_process(avmd_session, frame);
switch_mutex_unlock(avmd_session->mutex); break;
return SWITCH_TRUE;
default: default:
break; break;
} }
if (type != SWITCH_ABC_TYPE_INIT) {
switch_mutex_unlock(avmd_session->mutex);
}
return SWITCH_TRUE; return SWITCH_TRUE;
} }
@ -408,8 +383,7 @@ avmd_register_all_events(void)
while (e != NULL) while (e != NULL)
{ {
if (switch_event_reserve_subclass(e) != SWITCH_STATUS_SUCCESS) { if (switch_event_reserve_subclass(e) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Couldn't register subclass [%s]!\n", e);
"Couldn't register subclass [%s]!\n", e);
return SWITCH_STATUS_TERM; return SWITCH_STATUS_TERM;
} }
++idx; ++idx;
@ -433,7 +407,7 @@ avmd_unregister_all_events(void)
} }
static void static void
avmd_fire_event(enum avmd_event type, switch_core_session_t *fs_s, double freq, double v) avmd_fire_event(enum avmd_event type, switch_core_session_t *fs_s, double freq, double v, avmd_beep_state_t beep_status, uint8_t info)
{ {
int res; int res;
switch_event_t *event; switch_event_t *event;
@ -441,43 +415,40 @@ avmd_fire_event(enum avmd_event type, switch_core_session_t *fs_s, double freq,
switch_event_t *event_copy; switch_event_t *event_copy;
char buf[AVMD_CHAR_BUF_LEN]; char buf[AVMD_CHAR_BUF_LEN];
status = switch_event_create_subclass(&event, status = switch_event_create_subclass(&event, SWITCH_EVENT_CUSTOM, avmd_events_str[type]);
SWITCH_EVENT_CUSTOM, avmd_events_str[type]);
if (status != SWITCH_STATUS_SUCCESS) { if (status != SWITCH_STATUS_SUCCESS) {
return; return;
} }
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Unique-ID", switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Unique-ID", switch_core_session_get_uuid(fs_s));
switch_core_session_get_uuid(fs_s));
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "call-command", "avmd"); switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "call-command", "avmd");
switch (type) switch (type)
{ {
case AVMD_EVENT_BEEP: case AVMD_EVENT_BEEP:
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Beep-Status", "DETECTED");
"Beep-Status", "detected");
res = snprintf(buf, AVMD_CHAR_BUF_LEN, "%f", freq); res = snprintf(buf, AVMD_CHAR_BUF_LEN, "%f", freq);
if (res < 0 || res > AVMD_CHAR_BUF_LEN - 1) { if (res < 0 || res > AVMD_CHAR_BUF_LEN - 1) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(fs_s), switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(fs_s), SWITCH_LOG_ERROR, "Frequency truncated [%s], [%d] attempted!\n", buf, res);
SWITCH_LOG_ERROR, "Frequency truncated [%s], [%d] attempted!\n", switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "frequency", "ERROR (TRUNCATED)");
buf, res);
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "frequency",
"ERROR (TRUNCATED)");
} }
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "frequency", buf);
"frequency", buf);
res = snprintf(buf, AVMD_CHAR_BUF_LEN, "%f", v); res = snprintf(buf, AVMD_CHAR_BUF_LEN, "%f", v);
if (res < 0 || res > AVMD_CHAR_BUF_LEN - 1) { if (res < 0 || res > AVMD_CHAR_BUF_LEN - 1) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(fs_s), switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(fs_s), SWITCH_LOG_ERROR, "Error, truncated [%s], [%d] attempeted!\n", buf, res);
SWITCH_LOG_ERROR, "Error, truncated [%s], [%d] attempeted!\n", switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "variance", "ERROR (TRUNCATED)");
buf, res);
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM,
"variance", "ERROR (TRUNCATED)");
} }
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "variance", buf); switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "variance", buf);
break; break;
case AVMD_EVENT_SESSION_START: case AVMD_EVENT_SESSION_START:
break;
case AVMD_EVENT_SESSION_STOP: case AVMD_EVENT_SESSION_STOP:
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "Beep-Status", beep_status == BEEP_DETECTED ? "DETECTED" : "NOTDETECTED");
if (info == 0) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(fs_s), SWITCH_LOG_ERROR, "Error, avmd session object not found in media bug!\n");
switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "stop-status", "ERROR (AVMD SESSION OBJECT NOT FOUND IN MEDIA BUG)");
}
break; break;
default: default:
@ -731,15 +702,13 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_avmd_load)
*module_interface = switch_loadable_module_create_module_interface(pool, modname); *module_interface = switch_loadable_module_create_module_interface(pool, modname);
if (avmd_register_all_events() != SWITCH_STATUS_SUCCESS) { if (avmd_register_all_events() != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Couldn't register avmd events!\n");
"Couldn't register avmd events!\n");
return SWITCH_STATUS_TERM; return SWITCH_STATUS_TERM;
} }
memset(&avmd_globals, 0, sizeof(avmd_globals)); memset(&avmd_globals, 0, sizeof(avmd_globals));
if (pool == NULL) { if (pool == NULL) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "No memory pool assigned!\n");
"No memory pool assigned!\n");
return SWITCH_STATUS_TERM; return SWITCH_STATUS_TERM;
} }
switch_mutex_init(&avmd_globals.mutex, SWITCH_MUTEX_DEFAULT, pool); switch_mutex_init(&avmd_globals.mutex, SWITCH_MUTEX_DEFAULT, pool);
@ -747,16 +716,12 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_avmd_load)
if (avmd_load_xml_configuration(NULL) != SWITCH_STATUS_SUCCESS) if (avmd_load_xml_configuration(NULL) != SWITCH_STATUS_SUCCESS)
{ {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Couldn't load XML configuration! Loading default settings\n");
"Couldn't load XML configuration! Loading default settings\n");
avmd_set_xml_default_configuration(NULL); avmd_set_xml_default_configuration(NULL);
} }
if ((switch_event_bind(modname, SWITCH_EVENT_RELOADXML, NULL, if ((switch_event_bind(modname, SWITCH_EVENT_RELOADXML, NULL, avmd_reloadxml_event_handler, NULL) != SWITCH_STATUS_SUCCESS)) {
avmd_reloadxml_event_handler, NULL) != SWITCH_STATUS_SUCCESS)) { switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Couldn't bind our reloadxml handler! Module will not react to changes made in XML configuration\n");
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR,
"Couldn't bind our reloadxml handler! Module will not react "
"to changes made in XML configuration\n");
/* Not so severe to prevent further loading, well - it depends, anyway */ /* Not so severe to prevent further loading, well - it depends, anyway */
} }
@ -768,52 +733,32 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_avmd_load)
switch (ret) { switch (ret) {
case -1: case -1:
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Can't access file [%s], error [%s]\n", ACOS_TABLE_FILENAME, err);
"Can't access file [%s], error [%s]\n",
ACOS_TABLE_FILENAME, err);
break; break;
case -2: case -2:
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error creating file [%s], error [%s]\n", ACOS_TABLE_FILENAME, err);
"Error creating file [%s], error [%s]\n",
ACOS_TABLE_FILENAME, err);
break; break;
case -3: case -3:
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Access rights are OK but can't open file [%s], error [%s]\n", ACOS_TABLE_FILENAME, err);
"Access rights are OK but can't open file [%s], error [%s]\n",
ACOS_TABLE_FILENAME, err);
break; break;
case -4: case -4:
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Access rights are OK but can't mmap file [%s], error [%s]\n",ACOS_TABLE_FILENAME, err);
"Access rights are OK but can't mmap file [%s], error [%s]\n",
ACOS_TABLE_FILENAME, err);
break; break;
default: default:
switch_log_printf(SWITCH_CHANNEL_LOG,SWITCH_LOG_ERROR, switch_log_printf(SWITCH_CHANNEL_LOG,SWITCH_LOG_ERROR, "Unknown error [%d] while initializing fast cos table [%s], errno [%s]\n", ret, ACOS_TABLE_FILENAME, err);
"Unknown error [%d] while initializing fast cos table [%s], "
"errno [%s]\n", ret, ACOS_TABLE_FILENAME, err);
return SWITCH_STATUS_TERM; return SWITCH_STATUS_TERM;
} }
return SWITCH_STATUS_TERM; return SWITCH_STATUS_TERM;
} else } else
switch_log_printf( switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Advanced voicemail detection: fast math enabled, arc cosine table is [%s]\n", ACOS_TABLE_FILENAME);
SWITCH_CHANNEL_LOG,
SWITCH_LOG_NOTICE,
"Advanced voicemail detection: fast math enabled, arc cosine table "
"is [%s]\n", ACOS_TABLE_FILENAME
);
} }
#endif #endif
SWITCH_ADD_APP(app_interface, "avmd_start","Start avmd detection", SWITCH_ADD_APP(app_interface, "avmd_start","Start avmd detection", "Start avmd detection", avmd_start_app, "", SAF_NONE);
"Start avmd detection", avmd_start_app, "", SAF_NONE); SWITCH_ADD_APP(app_interface, "avmd_stop","Stop avmd detection", "Stop avmd detection", avmd_stop_app, "", SAF_NONE);
SWITCH_ADD_APP(app_interface, "avmd_stop","Stop avmd detection", SWITCH_ADD_APP(app_interface, "avmd","Beep detection", "Advanced detection of voicemail beeps", avmd_start_function, AVMD_SYNTAX, SAF_NONE);
"Stop avmd detection", avmd_stop_app, "", SAF_NONE);
SWITCH_ADD_APP(app_interface, "avmd","Beep detection",
"Advanced detection of voicemail beeps", avmd_start_function,
AVMD_SYNTAX, SAF_NONE);
SWITCH_ADD_API(api_interface, "avmd", "Voicemail beep detection", SWITCH_ADD_API(api_interface, "avmd", "Voicemail beep detection", avmd_api_main, AVMD_SYNTAX);
avmd_api_main, AVMD_SYNTAX);
switch_console_set_complete("add avmd ::console::list_uuid ::[start:stop"); switch_console_set_complete("add avmd ::console::list_uuid ::[start:stop");
switch_console_set_complete("add avmd set inbound"); /* set inbound = 1, outbound = 0 */ switch_console_set_complete("add avmd set inbound"); /* set inbound = 1, outbound = 0 */
@ -825,11 +770,9 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_avmd_load)
* folder, not module's conf/autoload_configs */ * folder, not module's conf/autoload_configs */
switch_console_set_complete("add avmd show"); switch_console_set_complete("add avmd show");
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Advanced voicemail detection enabled\n");
"Advanced voicemail detection enabled\n");
/* indicate that the module should continue to be loaded */ return SWITCH_STATUS_SUCCESS; /* indicate that the module should continue to be loaded */
return SWITCH_STATUS_SUCCESS;
} }
void void
@ -879,13 +822,13 @@ avmd_parse_cmd_data_one_entry(char *candidate, struct avmd_settings *settings)
/* candidate string has "=" somewhere in the middle and some value, /* candidate string has "=" somewhere in the middle and some value,
* try to find what option it is by comparing at most given number of bytes */ * try to find what option it is by comparing at most given number of bytes */
if (!strcmp(key, "debug")) { if (!strcmp(key, "debug")) {
settings->debug = (uint8_t) switch_true(val); settings->debug = switch_true(val);
} else if (!strcmp(key, "report_status")) { } else if (!strcmp(key, "report_status")) {
settings->report_status = (uint8_t) switch_true(val); settings->report_status = switch_true(val);
} else if (!strcmp(key, "fast_math")) { } else if (!strcmp(key, "fast_math")) {
settings->fast_math = (uint8_t) switch_true(val); settings->fast_math = switch_true(val);
} else if (!strcmp(key, "require_continuous_streak")) { } else if (!strcmp(key, "require_continuous_streak")) {
settings->require_continuous_streak = (uint8_t) switch_true(val); settings->require_continuous_streak = switch_true(val);
} else if (!strcmp(key, "sample_n_continuous_streak")) { } else if (!strcmp(key, "sample_n_continuous_streak")) {
if(avmd_parse_u16_user_input(val, &settings->sample_n_continuous_streak, 0, UINT16_MAX) == -1) { if(avmd_parse_u16_user_input(val, &settings->sample_n_continuous_streak, 0, UINT16_MAX) == -1) {
return SWITCH_STATUS_FALSE; return SWITCH_STATUS_FALSE;
@ -895,11 +838,11 @@ avmd_parse_cmd_data_one_entry(char *candidate, struct avmd_settings *settings)
return SWITCH_STATUS_FALSE; return SWITCH_STATUS_FALSE;
} }
} else if (!strcmp(key, "simplified_estimation")) { } else if (!strcmp(key, "simplified_estimation")) {
settings->simplified_estimation = (uint8_t) switch_true(val); settings->simplified_estimation = switch_true(val);
} else if (!strcmp(key, "inbound_channel")) { } else if (!strcmp(key, "inbound_channel")) {
settings->inbound_channnel = (uint8_t) switch_true(val); settings->inbound_channnel = switch_true(val);
} else if (!strcmp(key, "outbound_channel")) { } else if (!strcmp(key, "outbound_channel")) {
settings->outbound_channnel = (uint8_t) switch_true(val); settings->outbound_channnel = switch_true(val);
} else { } else {
return SWITCH_STATUS_NOTFOUND; return SWITCH_STATUS_NOTFOUND;
} }
@ -1033,11 +976,9 @@ SWITCH_STANDARD_APP(avmd_start_app)
} }
/* Allocate memory attached to this FreeSWITCH session for use in the callback routine and to store state information */ /* Allocate memory attached to this FreeSWITCH session for use in the callback routine and to store state information */
avmd_session = (avmd_session_t *) switch_core_session_alloc( avmd_session = (avmd_session_t *) switch_core_session_alloc(session, sizeof(avmd_session_t));
session, sizeof(avmd_session_t));
if (avmd_session == NULL) { if (avmd_session == NULL) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Can't allocate memory for avmd session!\n");
"Can't allocate memory for avmd session!\n");
goto end; goto end;
} }
@ -1045,24 +986,16 @@ SWITCH_STANDARD_APP(avmd_start_app)
if (status != SWITCH_STATUS_SUCCESS) { if (status != SWITCH_STATUS_SUCCESS) {
switch (status) { switch (status) {
case SWITCH_STATUS_MEMERR: case SWITCH_STATUS_MEMERR:
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Failed to init avmd session. Buffer error!\n");
SWITCH_LOG_ERROR, "Failed to init avmd session."
" Buffer error!\n");
break; break;
case SWITCH_STATUS_MORE_DATA: case SWITCH_STATUS_MORE_DATA:
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Failed to init avmd session. SMA buffer size is 0!\n");
SWITCH_LOG_ERROR, "Failed to init avmd session."
" SMA buffer size is 0!\n");
break; break;
case SWITCH_STATUS_FALSE: case SWITCH_STATUS_FALSE:
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Failed to init avmd session. SMA buffers error\n");
SWITCH_LOG_ERROR, "Failed to init avmd session."
" SMA buffers error\n");
break; break;
default: default:
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Failed to init avmd session. Unknown error\n");
SWITCH_LOG_ERROR, "Failed to init avmd session."
" Unknown error\n");
break; break;
} }
goto end; goto end;
@ -1074,30 +1007,23 @@ SWITCH_STANDARD_APP(avmd_start_app)
case SWITCH_STATUS_SUCCESS: case SWITCH_STATUS_SUCCESS:
break; break;
case SWITCH_STATUS_NOOP: case SWITCH_STATUS_NOOP:
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Failed to set dynamic parameters for avmd session. Session is NULL! Default settings are loaded\n");
SWITCH_LOG_ERROR, "Failed to set dynamic parameters for avmd session."
" Session is NULL! Default settings are loaded\n");
goto end; goto end;
case SWITCH_STATUS_FALSE: case SWITCH_STATUS_FALSE:
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Failed to set dynamic parameters for avmd session. Parsing error, please check the parameters passed to this APP."
SWITCH_LOG_ERROR, "Failed to set dynamic parameters for avmd session."
" Parsing error, please check the parameters passed to this APP."
" Default settings are loaded\n"); " Default settings are loaded\n");
goto end; goto end;
default: default:
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Failed to set dynamic parameteres for avmd session. Unknown error. Default settings are loaded\n");
SWITCH_LOG_ERROR, "Failed to set dynamic parameteres for avmd session."
" Unknown error. Default settings are loaded\n");
goto end; goto end;
} }
if (avmd_session->settings.debug == 1) { /* report dynamic parameters */ if (avmd_session->settings.report_status == 1) { /* report dynamic parameters */
avmd_config_dump(avmd_session); avmd_config_dump(avmd_session);
} }
if (avmd_session->settings.outbound_channnel == 1) { if (avmd_session->settings.outbound_channnel == 1) {
if (SWITCH_CALL_DIRECTION_OUTBOUND != switch_channel_direction(channel)) { if (SWITCH_CALL_DIRECTION_OUTBOUND != switch_channel_direction(channel)) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Channel [%s] is not outbound!\n", switch_channel_get_name(channel));
"Channel [%s] is not outbound!\n", switch_channel_get_name(channel));
goto end; goto end;
} else { } else {
flags |= SMBF_READ_REPLACE; flags |= SMBF_READ_REPLACE;
@ -1105,34 +1031,31 @@ SWITCH_STANDARD_APP(avmd_start_app)
} }
if (avmd_session->settings.inbound_channnel == 1) { if (avmd_session->settings.inbound_channnel == 1) {
if (SWITCH_CALL_DIRECTION_INBOUND != switch_channel_direction(channel)) { if (SWITCH_CALL_DIRECTION_INBOUND != switch_channel_direction(channel)) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Channel [%s] is not inbound!\n", switch_channel_get_name(channel));
"Channel [%s] is not inbound!\n", switch_channel_get_name(channel));
goto end; goto end;
} else { } else {
flags |= SMBF_WRITE_REPLACE; flags |= SMBF_WRITE_REPLACE;
} }
} }
if (flags == 0) { if (flags == 0) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Can't set direction for channel [%s]\n", switch_channel_get_name(channel));
"Can't set direction for channel [%s]\n", switch_channel_get_name(channel));
goto end; goto end;
} }
if (avmd_session->settings.outbound_channnel == 1) { if (avmd_session->settings.outbound_channnel == 1) {
if (switch_channel_test_flag(channel, CF_MEDIA_SET) == 0) { if (switch_channel_test_flag(channel, CF_MEDIA_SET) == 0) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Failed to start session. Channel [%s] has no codec assigned yet."
"Failed to start session. Channel [%s] has no codec assigned yet."
" Please try again\n", switch_channel_get_name(channel)); " Please try again\n", switch_channel_get_name(channel));
goto end; goto end;
} }
} }
status = switch_core_media_bug_add( session, "avmd", NULL, avmd_callback, avmd_session, 0, flags, &bug); /* Add a media bug that allows me to intercept the reading leg of the audio stream */ status = switch_core_media_bug_add(session, "avmd", NULL, avmd_callback, avmd_session, 0, flags, &bug); /* Add a media bug that allows me to intercept the reading leg of the audio stream */
if (status != SWITCH_STATUS_SUCCESS) { /* If adding a media bug fails exit */ if (status != SWITCH_STATUS_SUCCESS) { /* If adding a media bug fails exit */
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Failed to add media bug!\n"); switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Failed to add media bug!\n");
goto end; goto end;
} }
switch_channel_set_private(channel, "_avmd_", bug); /* Set the avmd tag to detect an existing avmd media bug */ switch_channel_set_private(channel, "_avmd_", bug); /* Set the avmd tag to detect an existing avmd media bug */
avmd_fire_event(AVMD_EVENT_SESSION_START, session, 0, 0); avmd_fire_event(AVMD_EVENT_SESSION_START, session, 0, 0, 0, 0);
if (avmd_session->settings.report_status == 1) { if (avmd_session->settings.report_status == 1) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_INFO, "Avmd on channel [%s] started!\n", switch_channel_get_name(channel)); switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_INFO, "Avmd on channel [%s] started!\n", switch_channel_get_name(channel));
} }
@ -1146,10 +1069,12 @@ SWITCH_STANDARD_APP(avmd_stop_app)
{ {
switch_media_bug_t *bug; switch_media_bug_t *bug;
switch_channel_t *channel; switch_channel_t *channel;
avmd_session_t *avmd_session;
uint8_t report_status = 0, avmd_found = 1;
avmd_beep_state_t beep_status = BEEP_NOTDETECTED;
if (session == NULL) { if (session == NULL) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "FreeSWITCH is NULL! Please report to developers\n");
"FreeSWITCH is NULL! Please report to developers\n");
return; return;
} }
@ -1159,8 +1084,7 @@ SWITCH_STANDARD_APP(avmd_stop_app)
* succeed or assert failed, but we make ourself secure anyway */ * succeed or assert failed, but we make ourself secure anyway */
channel = switch_core_session_get_channel(session); channel = switch_core_session_get_channel(session);
if (channel == NULL) { if (channel == NULL) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "No channel for FreeSWITCH session! Please report this "
"No channel for FreeSWITCH session! Please report this "
"to the developers.\n"); "to the developers.\n");
return; return;
} }
@ -1170,19 +1094,33 @@ SWITCH_STANDARD_APP(avmd_stop_app)
/* If yes */ /* If yes */
if (bug == NULL) { if (bug == NULL) {
/* We have not started avmd on this channel */ /* We have not started avmd on this channel */
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Stop failed - no avmd session running"
SWITCH_LOG_ERROR, "Stop failed - avmd has not yet been started"
" on this channel [%s]!\n", switch_channel_get_name(channel)); " on this channel [%s]!\n", switch_channel_get_name(channel));
return; return;
} }
avmd_session = switch_core_media_bug_get_user_data(bug);
if (avmd_session == NULL) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Stop failed - no avmd session object"
" on this channel [%s]!\n", switch_channel_get_name(channel));
avmd_found = 0;
} else {
switch_mutex_lock(avmd_session->mutex);
report_status = avmd_session->settings.report_status;
beep_status = avmd_session->state.beep_state;
switch_mutex_unlock(avmd_session->mutex);
}
switch_channel_set_private(channel, "_avmd_", NULL); switch_channel_set_private(channel, "_avmd_", NULL);
switch_core_media_bug_remove(session, &bug); switch_core_media_bug_remove(session, &bug);
avmd_fire_event(AVMD_EVENT_SESSION_STOP, session, 0, 0); if (avmd_found == 1) {
#ifdef AVMD_REPORT_STATUS avmd_fire_event(AVMD_EVENT_SESSION_STOP, session, 0, 0, beep_status, 1);
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_INFO, } else {
"Avmd on channel [%s] stopped!\n", switch_channel_get_name(channel)); avmd_fire_event(AVMD_EVENT_SESSION_STOP, session, 0, 0, beep_status, 0);
#endif }
if (report_status == 1) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_INFO, "Avmd on channel [%s] stopped, beep status: [%s]\n",
switch_channel_get_name(channel), beep_status == BEEP_DETECTED ? "DETECTED" : "NOTDETECTED");
}
return; return;
} }
@ -1441,7 +1379,7 @@ SWITCH_STANDARD_API(avmd_api_main)
uuid_dup = switch_core_strdup(switch_core_session_get_pool(fs_session), uuid); uuid_dup = switch_core_strdup(switch_core_session_get_pool(fs_session), uuid);
switch_channel_set_private(channel, "_avmd_", NULL); switch_channel_set_private(channel, "_avmd_", NULL);
switch_core_media_bug_remove(fs_session, &bug); switch_core_media_bug_remove(fs_session, &bug);
avmd_fire_event(AVMD_EVENT_SESSION_STOP, fs_session, 0, 0); avmd_fire_event(AVMD_EVENT_SESSION_STOP, fs_session, 0, 0, 0, 0);
if (avmd_globals.settings.report_status == 1) { if (avmd_globals.settings.report_status == 1) {
stream->write_function(stream, "+OK\n [%s] [%s] stopped\n\n", stream->write_function(stream, "+OK\n [%s] [%s] stopped\n\n",
uuid_dup, switch_channel_get_name(channel)); uuid_dup, switch_channel_get_name(channel));
@ -1562,7 +1500,7 @@ SWITCH_STANDARD_API(avmd_api_main)
switch_channel_set_private(channel, "_avmd_", bug); /* Set the vmd tag to detect an existing vmd media bug */ switch_channel_set_private(channel, "_avmd_", bug); /* Set the vmd tag to detect an existing vmd media bug */
avmd_fire_event(AVMD_EVENT_SESSION_START, fs_session, 0, 0); avmd_fire_event(AVMD_EVENT_SESSION_START, fs_session, 0, 0, 0, 0);
if (avmd_globals.settings.report_status == 1) { if (avmd_globals.settings.report_status == 1) {
stream->write_function(stream, "+OK\n [%s] [%s] started!\n\n", stream->write_function(stream, "+OK\n [%s] [%s] started!\n\n",
uuid, switch_channel_get_name(channel)); uuid, switch_channel_get_name(channel));
@ -1596,7 +1534,7 @@ static void avmd_process(avmd_session_t *s, switch_frame_t *frame) {
double v; double v;
double sma_digital_freq; double sma_digital_freq;
uint32_t sine_len_i; uint32_t sine_len_i;
int sample_to_skip_n = AVMD_SAMLPE_TO_SKIP_N; int sample_to_skip_n = s->settings.sample_n_to_skip;
size_t sample_n = 0; size_t sample_n = 0;
b = &s->b; b = &s->b;
@ -1642,8 +1580,7 @@ static void avmd_process(avmd_session_t *s, switch_frame_t *frame) {
sample_to_skip_n = s->settings.sample_n_to_skip; sample_to_skip_n = s->settings.sample_n_to_skip;
goto loop_continue; goto loop_continue;
} }
if (s->sma_b.pos > 0 && if (s->sma_b.pos > 0 && (fabs(omega - s->sma_b.data[s->sma_b.pos - 1]) < 0.00000001)) {
(fabs(omega - s->sma_b.data[s->sma_b.pos - 1]) < 0.00000001)) {
if (s->settings.debug == 1) { if (s->settings.debug == 1) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(s->session), SWITCH_LOG_DEBUG, "<<< AVMD, SKIP >>>\n"); switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(s->session), SWITCH_LOG_DEBUG, "<<< AVMD, SKIP >>>\n");
} }
@ -1704,7 +1641,7 @@ static void avmd_process(avmd_session_t *s, switch_frame_t *frame) {
switch_channel_set_variable_printf(channel, "avmd_total_time", "[%d]", (int)(switch_micro_time_now() - s->start_time) / 1000); switch_channel_set_variable_printf(channel, "avmd_total_time", "[%d]", (int)(switch_micro_time_now() - s->start_time) / 1000);
switch_channel_execute_on(channel, "execute_on_avmd_beep"); switch_channel_execute_on(channel, "execute_on_avmd_beep");
avmd_fire_event(AVMD_EVENT_BEEP, s->session, TO_HZ(s->rate, sma_digital_freq), v); avmd_fire_event(AVMD_EVENT_BEEP, s->session, TO_HZ(s->rate, sma_digital_freq), v, 0, 0);
if (s->settings.report_status == 1) { if (s->settings.report_status == 1) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(s->session), SWITCH_LOG_INFO, "<<< AVMD - Beep Detected: f = [%f], variance = [%f] >>>\n", TO_HZ(s->rate, sma_digital_freq), v); switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(s->session), SWITCH_LOG_INFO, "<<< AVMD - Beep Detected: f = [%f], variance = [%f] >>>\n", TO_HZ(s->rate, sma_digital_freq), v);
} }