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--resolve FS-5243 improve mod_unimrcp audio buffering

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This commit is contained in:
Chris Rienzo 2013-03-30 00:19:07 -04:00
parent 49138460a3
commit f8d263683a
1 changed files with 18 additions and 7 deletions
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25
src/mod/asr_tts/mod_unimrcp/mod_unimrcp.c
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@ -172,7 +172,7 @@ static switch_xml_config_item_t instructions[] = {
"EMERGENCY|ALERT|CRITICAL|ERROR|WARNING|NOTICE|INFO|DEBUG", "Logging level for UniMRCP"),
SWITCH_CONFIG_ITEM_STRING_STRDUP("enable-profile-events", CONFIG_REQUIRED, &globals.enable_profile_events_param, "false", "",
"Fire profile events (true|false)"),
SWITCH_CONFIG_ITEM_STRING_STRDUP("request-timeout", CONFIG_REQUIRED, &globals.unimrcp_request_timeout, "10000", "",
SWITCH_CONFIG_ITEM_STRING_STRDUP("request-timeout", CONFIG_REQUIRED, &globals.unimrcp_request_timeout, "10000", "",
"Maximum time to wait for server response to a request"),
SWITCH_CONFIG_ITEM_END()
};
@ -273,7 +273,8 @@ static switch_status_t audio_queue_destroy(audio_queue_t *queue);
* SPEECH_CHANNEL : speech functions common to recognizer and synthesizer
*/
#define SPEECH_CHANNEL_TIMEOUT_USEC (5 * 1000000)
#define SPEECH_CHANNEL_TIMEOUT_USEC (5000 * 1000)
#define AUDIO_TIMEOUT_USEC (SWITCH_MAX_INTERVAL * 1000)
/**
* Type of MRCP channel
@ -725,11 +726,18 @@ static switch_status_t audio_queue_read(audio_queue_t *queue, void *data, switch
#endif
switch_mutex_lock(queue->mutex);
/* allow the initial frame to buffer */
if (!queue->read_bytes && switch_buffer_inuse(queue->buffer) < requested) {
*data_len = 0;
status = SWITCH_STATUS_SUCCESS;
goto done;
}
/* wait for data, if allowed */
if (block) {
while (switch_buffer_inuse(queue->buffer) < requested) {
queue->waiting = requested;
if (switch_thread_cond_timedwait(queue->cond, queue->mutex, SPEECH_CHANNEL_TIMEOUT_USEC) == SWITCH_STATUS_TIMEOUT) {
if (switch_thread_cond_timedwait(queue->cond, queue->mutex, AUDIO_TIMEOUT_USEC) == SWITCH_STATUS_TIMEOUT) {
break;
}
}
@ -774,6 +782,9 @@ static switch_status_t audio_queue_clear(audio_queue_t *queue)
switch_buffer_zero(queue->buffer);
switch_thread_cond_signal(queue->cond);
switch_mutex_unlock(queue->mutex);
queue->read_bytes = 0;
queue->write_bytes = 0;
queue->waiting = 0;
return SWITCH_STATUS_SUCCESS;
}
@ -3222,7 +3233,7 @@ static switch_status_t recog_asr_feed(switch_asr_handle_t *ah, void *data, unsig
* Process asr_feed_dtmf request from FreeSWITCH
*
* @param ah the FreeSWITCH speech recognition handle
* @return SWITCH_STATUS_SUCCESS if successful
* @return SWITCH_STATUS_SUCCESS if successful
*/
static switch_status_t recog_asr_feed_dtmf(switch_asr_handle_t *ah, const switch_dtmf_t *dtmf, switch_asr_flag_t *flags)
{
@ -3507,9 +3518,9 @@ static apt_bool_t recog_stream_open(mpf_audio_stream_t *stream, mpf_codec_t *cod
{
speech_channel_t *schannel = (speech_channel_t *) stream->obj;
recognizer_data_t *r = (recognizer_data_t *) schannel->data;
r->unimrcp_stream = stream;
return TRUE;
}
@ -3534,7 +3545,7 @@ static apt_bool_t recog_stream_read(mpf_audio_stream_t *stream, mpf_frame_t *fra
frame->type |= MEDIA_FRAME_TYPE_AUDIO;
}
switch_mutex_lock(schannel->mutex);
switch_mutex_lock(schannel->mutex);
if (r->dtmf_generator_active) {
if (!mpf_dtmf_generator_put_frame(r->dtmf_generator, frame)) {
if (!mpf_dtmf_generator_sending(r->dtmf_generator))