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[MOVED FROM GST-P-FARSIGHT] Make dtmf src code nicer

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20070916194101-3e2dc-a8be8c509c65400d1d3962da02e67d15d2054316.gz
This commit is contained in:
Olivier Crete 2007-09-16 19:41:01 +00:00 committed by Edward Hervey
parent 8c5930fadb
commit 64efe461ff
1 changed files with 54 additions and 48 deletions
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102
gst/dtmf/gstdtmfsrc.c
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@ -633,61 +633,72 @@ gst_dtmf_src_create (GstBaseSrc * basesrc, guint64 offset,
do {
if (dtmfsrc->paused)
goto paused;
if (dtmfsrc->last_event == NULL) {
GST_DEBUG_OBJECT (dtmfsrc, "popping");
event = g_async_queue_pop (dtmfsrc->event_queue);
GST_DEBUG_OBJECT (dtmfsrc, "popped %d", event->event_type);
if (event->event_type == DTMF_EVENT_TYPE_STOP) {
GST_WARNING_OBJECT (dtmfsrc,
"Received a DTMF stop event when already stopped");
} else if (event->event_type == DTMF_EVENT_TYPE_START) {
gst_dtmf_prepare_timestamps (dtmfsrc);
switch (event->event_type) {
case DTMF_EVENT_TYPE_STOP:
GST_WARNING_OBJECT (dtmfsrc,
"Received a DTMF stop event when already stopped");
break;
case DTMF_EVENT_TYPE_START:
gst_dtmf_prepare_timestamps (dtmfsrc);
/* Don't forget to get exclusive access to the stream */
gst_dtmf_src_set_stream_lock (dtmfsrc, TRUE);
/* Don't forget to get exclusive access to the stream */
gst_dtmf_src_set_stream_lock (dtmfsrc, TRUE);
event->packet_count = 0;
dtmfsrc->last_event = event;
} else if (event->event_type == DTMF_EVENT_TYPE_PAUSE_TASK) {
/*
* We're pushing it back because it has to stay in there until
* the task is really paused (and the queue will then be flushed)
*/
GST_DEBUG_OBJECT (dtmfsrc, "pushing pause_task...");
if (dtmfsrc->paused) {
g_async_queue_push (dtmfsrc->event_queue, event);
goto paused;
}
event->packet_count = 0;
dtmfsrc->last_event = event;
break;
case DTMF_EVENT_TYPE_PAUSE_TASK:
/*
* We're pushing it back because it has to stay in there until
* the task is really paused (and the queue will then be flushed)
*/
GST_DEBUG_OBJECT (dtmfsrc, "pushing pause_task...");
GST_OBJECT_LOCK (dtmfsrc);
if (dtmfsrc->paused) {
g_async_queue_push (dtmfsrc->event_queue, event);
goto paused_locked;
}
GST_OBJECT_UNLOCK (dtmfsrc);
break;
}
} else if (dtmfsrc->last_event->packet_count * dtmfsrc->interval >=
MIN_DUTY_CYCLE) {
event = g_async_queue_try_pop (dtmfsrc->event_queue);
if (event != NULL) {
if (event->event_type == DTMF_EVENT_TYPE_START) {
GST_WARNING_OBJECT (dtmfsrc,
"Received two consecutive DTMF start events");
} else if (event->event_type == DTMF_EVENT_TYPE_STOP) {
gst_dtmf_src_set_stream_lock (dtmfsrc, FALSE);
g_free (dtmfsrc->last_event);
dtmfsrc->last_event = NULL;
} else if (event->event_type == DTMF_EVENT_TYPE_PAUSE_TASK) {
/*
* We're pushing it back because it has to stay in there until
* the task is really paused (and the queue will then be flushed)
*/
GST_DEBUG_OBJECT (dtmfsrc, "pushing pause_task...");
if (dtmfsrc->paused) {
g_async_queue_push (dtmfsrc->event_queue, event);
goto paused;
}
switch (event->event_type) {
case DTMF_EVENT_TYPE_START:
GST_WARNING_OBJECT (dtmfsrc,
"Received two consecutive DTMF start events");
break;
case DTMF_EVENT_TYPE_STOP:
gst_dtmf_src_set_stream_lock (dtmfsrc, FALSE);
g_free (dtmfsrc->last_event);
dtmfsrc->last_event = NULL;
break;
case DTMF_EVENT_TYPE_PAUSE_TASK:
/*
* We're pushing it back because it has to stay in there until
* the task is really paused (and the queue will then be flushed)
*/
GST_DEBUG_OBJECT (dtmfsrc, "pushing pause_task...");
GST_OBJECT_LOCK (dtmfsrc);
if (dtmfsrc->paused) {
g_async_queue_push (dtmfsrc->event_queue, event);
goto paused_locked;
}
GST_OBJECT_UNLOCK (dtmfsrc);
break;
}
}
}
@ -730,6 +741,9 @@ gst_dtmf_src_create (GstBaseSrc * basesrc, guint64 offset,
GST_DEBUG_OBJECT (dtmfsrc, "returning a buffer");
return GST_FLOW_OK;
paused_locked:
GST_OBJECT_UNLOCK (dtmfsrc);
paused:
if (dtmfsrc->last_event) {
@ -811,12 +825,6 @@ gst_dtmf_src_change_state (GstElement * element, GstStateChange transition)
goto failure;
switch (transition) {
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
GST_DEBUG_OBJECT (dtmfsrc, "PLAYING TO PAUSED");
no_preroll = TRUE;
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
GST_DEBUG_OBJECT (dtmfsrc, "Flushing event queue");
/* Flushing the event queue */
@ -827,8 +835,6 @@ gst_dtmf_src_change_state (GstElement * element, GstStateChange transition)
event = g_async_queue_try_pop (dtmfsrc->event_queue);
}
/* Indicate that we don't do PRE_ROLL */
no_preroll = TRUE;
break;
default:
break;