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[MOVED FROM GST-P-FARSIGHT] Fixes the deadlock when pausing the dtmfsrc and rtpdtmfsrc. Had to push something on the async queue to release the blocking async_queue_pop(). Thanks to Olivier for the solution.

Browse source 
20070831234413-4f0f6-793cf35fc43636e7275258cc7063fc068f5efa0a.gz
This commit is contained in:
Youness Alaoui 2007-08-31 23:44:13 +00:00 committed by Edward Hervey
parent e71056ff6a
commit ab95b70fdf
4 changed files with 31 additions and 6 deletions
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14
gst/dtmf/gstdtmfsrc.c
View file

@ -554,6 +554,16 @@ gst_dtmf_src_stop (GstDTMFSrc *dtmfsrc)
dtmfsrc->clock_id = NULL;
}
g_async_queue_lock (dtmfsrc->event_queue);
event = g_malloc (sizeof(GstRTPDTMFSrcEvent));
event->event_type = RTP_DTMF_EVENT_TYPE_PAUSE_TASK;
g_async_queue_push_unlocked (dtmfsrc->event_queue, event);
g_async_queue_unlock (dtmfsrc->event_queue);
event = NULL;
if (!gst_pad_pause_task (dtmfsrc->srcpad)) {
GST_ERROR_OBJECT (dtmfsrc, "Failed to pause task on src pad");
return;
@ -768,6 +778,10 @@ gst_dtmf_src_push_next_tone_packet (GstDTMFSrc *dtmfsrc)
event->packet_count = 0;
dtmfsrc->last_event = event;
} else if (event->event_type == RTP_DTMF_EVENT_TYPE_PAUSE_TASK) {
g_free (event);
g_async_queue_unref (dtmfsrc->event_queue);
return;
}
} else if (dtmfsrc->last_event->packet_count * dtmfsrc->interval >=
MIN_DUTY_CYCLE) {

3
gst/dtmf/gstdtmfsrc.h
View file

@ -52,7 +52,8 @@ typedef struct _GstDTMFSrcClass GstDTMFSrcClass;
enum _GstDTMFEventType {
DTMF_EVENT_TYPE_START,
DTMF_EVENT_TYPE_STOP
DTMF_EVENT_TYPE_STOP,
DTMF_EVENT_TYPE_PAUSE_TASK
};
typedef enum _GstDTMFEventType GstDTMFEventType;

17
gst/dtmf/gstrtpdtmfsrc.c
View file

@ -612,11 +612,20 @@ gst_rtp_dtmf_src_stop (GstRTPDTMFSrc *dtmfsrc)
dtmfsrc->clock_id = NULL;
}
g_async_queue_lock (dtmfsrc->event_queue);
event = g_malloc (sizeof(GstRTPDTMFSrcEvent));
event->event_type = RTP_DTMF_EVENT_TYPE_PAUSE_TASK;
g_async_queue_push_unlocked (dtmfsrc->event_queue, event);
g_async_queue_unlock (dtmfsrc->event_queue);
event = NULL;
if (!gst_pad_pause_task (dtmfsrc->srcpad)) {
GST_ERROR_OBJECT (dtmfsrc, "Failed to pause task on src pad");
return;
}
if (dtmfsrc->last_event) {
/* Don't forget to release the stream lock */
gst_rtp_dtmf_src_set_stream_lock (dtmfsrc, FALSE);
@ -632,10 +641,6 @@ gst_rtp_dtmf_src_stop (GstRTPDTMFSrc *dtmfsrc)
event = g_async_queue_try_pop (dtmfsrc->event_queue);
}
if (dtmfsrc->last_event) {
g_free (dtmfsrc->last_event);
dtmfsrc->last_event = NULL;
}
}
@ -813,6 +818,10 @@ gst_rtp_dtmf_src_push_next_rtp_packet (GstRTPDTMFSrc *dtmfsrc)
event->sent_packets = 0;
dtmfsrc->last_event = event;
} else if (event->event_type == RTP_DTMF_EVENT_TYPE_PAUSE_TASK) {
g_free (event);
g_async_queue_unref (dtmfsrc->event_queue);
return;
}
} else if (dtmfsrc->last_event->sent_packets * dtmfsrc->interval >=
MIN_PULSE_DURATION){

3
gst/dtmf/gstrtpdtmfsrc.h
View file

@ -61,7 +61,8 @@ typedef struct _GstRTPDTMFSrcClass GstRTPDTMFSrcClass;
enum _GstRTPDTMFEventType {
RTP_DTMF_EVENT_TYPE_START,
RTP_DTMF_EVENT_TYPE_STOP
RTP_DTMF_EVENT_TYPE_STOP,
RTP_DTMF_EVENT_TYPE_PAUSE_TASK
};
typedef enum _GstRTPDTMFEventType GstRTPDTMFEventType;