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Make switch more reliable and also not lock up when sink pad caps change.

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Original commit message from CVS:
* examples/switch/switcher.c (main):
* gst/switch/gstswitch.c (gst_switch_chain):
Make switch more reliable and also not lock up when
sink pad caps change.
This commit is contained in:
Zaheer Abbas Merali 2007-08-24 15:56:52 +00:00
parent b86971338f
commit 629884aad3
3 changed files with 42 additions and 19 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
2007-08-24 Zaheer Abbas Merali <zaheerabbas at merali dot org>
* examples/switch/switcher.c (main):
* gst/switch/gstswitch.c (gst_switch_chain):
Make switch more reliable and also not lock up when
sink pad caps change.
2007-08-24 Julien MOUTTE <julien@moutte.net>
* gst/flv/gstflvdemux.c: (gst_flv_demux_flush),

17
examples/switch/switcher.c
View file

@ -118,11 +118,12 @@ main (int argc, char *argv[])
gst_caps_from_string ("video/x-raw-rgb,width=640,height=480"), NULL);
video_switch = gst_element_factory_make ("switch", "video_switch");
segment = gst_element_factory_make ("identity", "identity-segment");
g_object_set (G_OBJECT (segment), "silent", TRUE, NULL);
g_signal_connect (G_OBJECT (segment), "notify::last-message",
G_CALLBACK (last_message_received), segment);
g_object_set (G_OBJECT (segment), "single-segment", TRUE, NULL);
scaler = gst_element_factory_make ("videoscale", "videoscale0");
video_sink = gst_element_factory_make ("ximagesink", "video_sink");
video_sink = gst_element_factory_make ("fakesink", "video_sink");
//g_object_set (G_OBJECT (video_sink), "sync", FALSE, NULL);
sink1_sync = gst_element_factory_make ("identity", "sink0_sync");
g_object_set (G_OBJECT (sink1_sync), "sync", TRUE, NULL);
@ -130,21 +131,21 @@ main (int argc, char *argv[])
g_object_set (G_OBJECT (sink2_sync), "sync", TRUE, NULL);
gst_bin_add_many (GST_BIN (pipeline), src1, src2, segment, video_switch,
video_sink, sink1_sync, sink2_sync, scaler, capsfilter, NULL);
gst_element_link (src1, sink1_sync);
gst_element_link (sink1_sync, video_switch);
gst_element_link (src1, /*sink1_sync);
gst_element_link (sink1_sync, */ video_switch);
gst_element_link (src2, capsfilter);
gst_element_link (capsfilter, sink2_sync);
gst_element_link (sink2_sync, video_switch);
gst_element_link (capsfilter, /*sink2_sync);
gst_element_link (sink2_sync, */ video_switch);
gst_element_link (video_switch, segment);
gst_element_link (segment, scaler);
gst_element_link (scaler, video_sink);
gst_element_link (segment, /*scaler);
gst_element_link (scaler, */ video_sink);
bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
gst_bus_add_watch (bus, my_bus_callback, NULL);
gst_object_unref (bus);
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);
g_timeout_add (2000, (GSourceFunc) switch_timer, video_switch);
g_timeout_add (200, (GSourceFunc) switch_timer, video_switch);
g_main_loop_run (loop);

37
gst/switch/gstswitch.c
View file

@ -212,7 +212,7 @@ gst_switch_chain (GstPad * pad, GstBuffer * buf)
if (pad != active_sinkpad) {
GST_SWITCH_UNLOCK (gstswitch);
GST_DEBUG_OBJECT (gstswitch, "Ignoring buffer %p from pad %s:%s",
GST_LOG_OBJECT (gstswitch, "Ignoring buffer %p from pad %s:%s",
buf, GST_DEBUG_PAD_NAME (pad));
gst_object_unref (gstswitch);
@ -238,16 +238,19 @@ gst_switch_chain (GstPad * pad, GstBuffer * buf)
gdouble rate, applied_rate;
GstFormat format;
gint64 start, stop, position;
GstEvent *newsegment_event;
gst_event_parse_new_segment_full (prev_newsegment, &update, &rate,
&applied_rate, &format, &start, &stop, &position);
GST_DEBUG_OBJECT (gstswitch,
"Sending new segment update with stop of %" G_GUINT64_FORMAT,
gstswitch->stop_value);
"Sending new segment update with stop of %" G_GUINT64_FORMAT
"and start of %" G_GUINT64_FORMAT, gstswitch->stop_value,
gstswitch->current_start);
newsegment_event = gst_event_new_new_segment_full (TRUE, rate,
applied_rate, format, gstswitch->current_start,
gstswitch->stop_value, position);
GST_SWITCH_UNLOCK (gstswitch);
gst_pad_push_event (gstswitch->srcpad,
gst_event_new_new_segment_full (TRUE, rate, applied_rate, format,
gstswitch->current_start, gstswitch->stop_value, position));
gst_pad_push_event (gstswitch->srcpad, newsegment_event);
GST_SWITCH_LOCK (gstswitch);
}
}
@ -264,6 +267,7 @@ gst_switch_chain (GstPad * pad, GstBuffer * buf)
gdouble rate, applied_rate;
GstFormat format;
gint64 start, stop, position;
GstEvent *newsegment_event;
gst_event_parse_new_segment_full (event, &update, &rate, &applied_rate,
&format, &start, &stop, &position);
@ -273,9 +277,20 @@ gst_switch_chain (GstPad * pad, GstBuffer * buf)
} else {
start = GST_BUFFER_TIMESTAMP (buf);
}
gst_pad_push_event (gstswitch->srcpad,
gst_event_new_new_segment_full (FALSE, rate, applied_rate, format,
start, stop, position));
if (start == GST_CLOCK_TIME_NONE) {
/*GST_ELEMENT_ERROR (gstswitch, STREAM, FAILED, (NULL), ( */
g_critical ("Cannot send "
"new segment event because start value is GST_CLOCK_TIME_NONE"); /*); */
GST_WARNING_OBJECT (gstswitch,
"new segment event requested to be sent but start value is NONE");
}
newsegment_event = gst_event_new_new_segment_full (FALSE, rate,
applied_rate, format, start, stop, position);
GST_SWITCH_UNLOCK (gstswitch);
gst_pad_push_event (gstswitch->srcpad, newsegment_event);
GST_SWITCH_LOCK (gstswitch);
gstswitch->need_to_send_newsegment = FALSE;
gstswitch->current_start = start;
GST_DEBUG_OBJECT (gstswitch,
@ -301,12 +316,12 @@ gst_switch_chain (GstPad * pad, GstBuffer * buf)
gstswitch->last_ts = GST_BUFFER_TIMESTAMP (buf) + GST_BUFFER_DURATION (buf);
if (!gstswitch->queue_buffers) {
/* forward */
GST_DEBUG_OBJECT (gstswitch, "Forwarding buffer %p from pad %s:%s to %s:%s",
GST_LOG_OBJECT (gstswitch, "Forwarding buffer %p from pad %s:%s to %s:%s",
buf, GST_DEBUG_PAD_NAME (pad), GST_DEBUG_PAD_NAME (gstswitch->srcpad));
GST_SWITCH_UNLOCK (gstswitch);
res = gst_pad_push (gstswitch->srcpad, buf);
GST_SWITCH_LOCK (gstswitch);
GST_DEBUG_OBJECT (gstswitch, "Finished pushing buffer");
GST_LOG_OBJECT (gstswitch, "Finished pushing buffer");
} else {
GList *buffers;
gboolean lookup_res = TRUE;