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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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15
src/mod/asr_tts/mod_unimrcp/mod_unimrcp.c
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@ -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;
}