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[MOVED FROM GST-P-FARSIGHT] Drop buffers instead of blocking the sinkpads

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20070316131444-65035-9c1345ad96108881f455d4b55a7f623cd302d0ed.gz
This commit is contained in:
zeeshan.ali@nokia.com 2007-03-16 13:14:44 +00:00 committed by Edward Hervey
parent df902798c3
commit 46b4fb228b
1 changed files with 41 additions and 19 deletions
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44
gst/rtpmux/gstrtpmux.c
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@ -243,12 +243,14 @@ gst_rtp_mux_request_new_pad (GstElement * element,
if (templ == gst_element_class_get_pad_template (klass, "sink_%d")) { if (templ == gst_element_class_get_pad_template (klass, "sink_%d")) {
gchar *name; gchar *name;
GST_OBJECT_LOCK (rtp_mux);
/* create new pad with the name */ /* create new pad with the name */
name = g_strdup_printf ("sink_%02d", rtp_mux->numpads); name = g_strdup_printf ("sink_%02d", rtp_mux->numpads);
newpad = gst_pad_new_from_template (templ, name); newpad = gst_pad_new_from_template (templ, name);
g_free (name); g_free (name);
rtp_mux->numpads++; rtp_mux->numpads++;
GST_OBJECT_UNLOCK (rtp_mux);
} else { } else {
GST_WARNING_OBJECT (rtp_mux, "this is not our template!\n"); GST_WARNING_OBJECT (rtp_mux, "this is not our template!\n");
return NULL; return NULL;
@ -269,19 +271,36 @@ static GstFlowReturn
gst_rtp_mux_chain (GstPad * pad, GstBuffer * buffer) gst_rtp_mux_chain (GstPad * pad, GstBuffer * buffer)
{ {
GstRTPMux *rtp_mux; GstRTPMux *rtp_mux;
gboolean drop = FALSE;
GstFlowReturn ret;
rtp_mux = GST_RTP_MUX (gst_pad_get_parent (pad)); rtp_mux = GST_RTP_MUX (gst_pad_get_parent (pad));
GST_OBJECT_LOCK (rtp_mux);
if (rtp_mux->special_pad != NULL &&
rtp_mux->special_pad != pad) {
drop = TRUE;
}
if (drop) {
gst_buffer_unref (buffer);
ret = GST_FLOW_OK;
GST_OBJECT_UNLOCK (rtp_mux);
}
else {
rtp_mux->seqnum++; rtp_mux->seqnum++;
GST_LOG_OBJECT (rtp_mux, "setting RTP seqnum %d", rtp_mux->seqnum); GST_LOG_OBJECT (rtp_mux, "setting RTP seqnum %d", rtp_mux->seqnum);
gst_rtp_buffer_set_seq (buffer, rtp_mux->seqnum); gst_rtp_buffer_set_seq (buffer, rtp_mux->seqnum);
gst_object_unref (rtp_mux);
GST_DEBUG_OBJECT (rtp_mux, "Pushing packet size %d, seq=%d, ts=%u", GST_DEBUG_OBJECT (rtp_mux, "Pushing packet size %d, seq=%d, ts=%u",
GST_BUFFER_SIZE (buffer), rtp_mux->seqnum - 1); GST_BUFFER_SIZE (buffer), rtp_mux->seqnum - 1);
return gst_pad_push (rtp_mux->srcpad, buffer); GST_OBJECT_UNLOCK (rtp_mux);
ret = gst_pad_push (rtp_mux->srcpad, buffer);
}
gst_object_unref (rtp_mux);
return ret;
} }
static gboolean static gboolean
@ -319,7 +338,7 @@ gst_rtp_mux_setcaps (GstPad *pad, GstCaps *caps)
return TRUE; return TRUE;
} }
static void /*static void
gst_rtp_mux_set_sinkpads_blocked (GstRTPMux *rtp_mux, gboolean blocked, GstPad *exception) gst_rtp_mux_set_sinkpads_blocked (GstRTPMux *rtp_mux, gboolean blocked, GstPad *exception)
{ {
GstIterator *iter; GstIterator *iter;
@ -343,7 +362,7 @@ gst_rtp_mux_set_sinkpads_blocked (GstRTPMux *rtp_mux, gboolean blocked, GstPad *
} }
gst_object_unref (GST_OBJECT (pad)); gst_object_unref (GST_OBJECT (pad));
} }
} }*/
static gboolean static gboolean
gst_rtp_mux_handle_sink_event (GstPad * pad, GstEvent * event) gst_rtp_mux_handle_sink_event (GstPad * pad, GstEvent * event)
@ -368,14 +387,15 @@ gst_rtp_mux_handle_sink_event (GstPad * pad, GstEvent * event)
if (!gst_structure_get_boolean (structure, "lock", &lock)) if (!gst_structure_get_boolean (structure, "lock", &lock))
break; break;
GST_OBJECT_LOCK (rtp_mux);
if (lock) { if (lock) {
if (rtp_mux->special_pad != NULL) { if (rtp_mux->special_pad != NULL) {
GST_WARNING_OBJECT (rtp_mux, GST_WARNING_OBJECT (rtp_mux,
"Stream lock already acquired by pad %s", "Stream lock already acquired by pad %s",
GST_ELEMENT_NAME (rtp_mux->special_pad)); GST_ELEMENT_NAME (rtp_mux->special_pad));
break;
} }
else
rtp_mux->special_pad = gst_object_ref (pad); rtp_mux->special_pad = gst_object_ref (pad);
} }
@ -383,7 +403,6 @@ gst_rtp_mux_handle_sink_event (GstPad * pad, GstEvent * event)
if (rtp_mux->special_pad == NULL) { if (rtp_mux->special_pad == NULL) {
GST_WARNING_OBJECT (rtp_mux, GST_WARNING_OBJECT (rtp_mux,
"Stream lock not acquired, can't release it"); "Stream lock not acquired, can't release it");
break;
} }
else if (pad != rtp_mux->special_pad) { else if (pad != rtp_mux->special_pad) {
@ -391,15 +410,18 @@ gst_rtp_mux_handle_sink_event (GstPad * pad, GstEvent * event)
"pad %s attempted to release Stream lock" "pad %s attempted to release Stream lock"
" which was acquired by pad %s", GST_ELEMENT_NAME (pad), " which was acquired by pad %s", GST_ELEMENT_NAME (pad),
GST_ELEMENT_NAME (rtp_mux->special_pad)); GST_ELEMENT_NAME (rtp_mux->special_pad));
break;
} }
else {
gst_object_unref (rtp_mux->special_pad); gst_object_unref (rtp_mux->special_pad);
rtp_mux->special_pad = NULL; rtp_mux->special_pad = NULL;
} }
gst_rtp_mux_set_sinkpads_blocked (rtp_mux, lock, pad);
} }
GST_OBJECT_UNLOCK (rtp_mux);
/*gst_rtp_mux_set_sinkpads_blocked (rtp_mux, lock, pad);*/
}
break; break;
} }
default: default: