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libs/gst/base/gstbasesrc.c: Make _wait_playing() not check any variables so that we can call this function from subcl...

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Original commit message from CVS:
* libs/gst/base/gstbasesrc.c: (gst_base_src_wait_playing),
(gst_base_src_perform_seek), (gst_base_src_get_range),
(gst_base_src_set_playing), (gst_base_src_change_state):
Make _wait_playing() not check any variables so that we can call this
function from subclasses. Move the checks elsewhere similar to
_wait_preroll() in basesink.
Add some debugging.
Only signal the LIVE cond when we are going back to PLAYING.
This commit is contained in:
Wim Taymans 2007-12-17 16:38:40 +00:00
parent af471ed6cd
commit 8a695165c2
2 changed files with 30 additions and 16 deletions
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11
ChangeLog
View file

@ -1,3 +1,14 @@
2007-12-17 Wim Taymans <wim.taymans@collabora.co.uk>
* libs/gst/base/gstbasesrc.c: (gst_base_src_wait_playing),
(gst_base_src_perform_seek), (gst_base_src_get_range),
(gst_base_src_set_playing), (gst_base_src_change_state):
Make _wait_playing() not check any variables so that we can call this
function from subclasses. Move the checks elsewhere similar to
_wait_preroll() in basesink.
Add some debugging.
Only signal the LIVE cond when we are going back to PLAYING.
2007-12-16 Tim-Philipp Müller <tim at centricular dot net>
* gst/gstregistrybinary.c: (gst_registry_binary_write_cache):

35
libs/gst/base/gstbasesrc.c
View file

@ -484,17 +484,11 @@ GstFlowReturn
gst_base_src_wait_playing (GstBaseSrc * src)
{
/* block until the state changes, or we get a flush, or something */
if (src->is_live) {
while (G_UNLIKELY (!src->live_running)) {
GST_DEBUG ("live source signal waiting");
GST_LIVE_SIGNAL (src);
GST_DEBUG ("live source waiting for running state");
GST_LIVE_WAIT (src);
GST_DEBUG ("live source unlocked");
}
if (src->priv->flushing)
goto flushing;
}
GST_DEBUG_OBJECT (src, "live source waiting for running state");
GST_LIVE_WAIT (src);
if (src->priv->flushing)
goto flushing;
GST_DEBUG_OBJECT (src, "live source unlocked");
return GST_FLOW_OK;
@ -1207,7 +1201,7 @@ gst_base_src_perform_seek (GstBaseSrc * src, GstEvent * event, gboolean unlock)
src->segment.format, src->segment.last_stop));
}
/* for deriving a stop position for the playback segment form the seek
/* for deriving a stop position for the playback segment from the seek
* segment, we must take the duration when the stop is not set */
if ((stop = src->segment.stop) == -1)
stop = src->segment.duration;
@ -1751,9 +1745,13 @@ gst_base_src_get_range (GstBaseSrc * src, guint64 offset, guint length,
bclass = GST_BASE_SRC_GET_CLASS (src);
ret = gst_base_src_wait_playing (src);
if (ret != GST_FLOW_OK)
goto stopped;
if (src->is_live) {
while (G_UNLIKELY (!src->live_running)) {
ret = gst_base_src_wait_playing (src);
if (ret != GST_FLOW_OK)
goto stopped;
}
}
if (G_UNLIKELY (!GST_OBJECT_FLAG_IS_SET (src, GST_BASE_SRC_STARTED)))
goto not_started;
@ -2380,12 +2378,14 @@ gst_base_src_set_playing (GstBaseSrc * basesrc, gboolean live_play)
* waiting for PLAYING while blocked in the LIVE cond or we can be waiting
* for the clock. */
GST_LIVE_LOCK (basesrc);
GST_DEBUG_OBJECT (basesrc, "unschedule clock");
/* unblock clock sync (if any) */
if (basesrc->clock_id)
gst_clock_id_unschedule (basesrc->clock_id);
/* configure what to do when we get to the LIVE lock. */
GST_DEBUG_OBJECT (basesrc, "live running %d", live_play);
basesrc->live_running = live_play;
if (live_play) {
@ -2406,8 +2406,9 @@ gst_base_src_set_playing (GstBaseSrc * basesrc, gboolean live_play)
if (start)
gst_pad_start_task (basesrc->srcpad, (GstTaskFunction) gst_base_src_loop,
basesrc->srcpad);
GST_DEBUG_OBJECT (basesrc, "signal");
GST_LIVE_SIGNAL (basesrc);
}
GST_LIVE_SIGNAL (basesrc);
GST_LIVE_UNLOCK (basesrc);
return TRUE;
@ -2555,6 +2556,7 @@ gst_base_src_change_state (GstElement * element, GstStateChange transition)
no_preroll = gst_base_src_is_live (basesrc);
break;
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
GST_DEBUG_OBJECT (basesrc, "PAUSED->PLAYING");
if (gst_base_src_is_live (basesrc)) {
/* now we can start playback */
gst_base_src_set_playing (basesrc, TRUE);
@ -2571,6 +2573,7 @@ gst_base_src_change_state (GstElement * element, GstStateChange transition)
switch (transition) {
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
GST_DEBUG_OBJECT (basesrc, "PLAYING->PAUSED");
if (gst_base_src_is_live (basesrc)) {
/* make sure we block in the live lock in PAUSED */
gst_base_src_set_playing (basesrc, FALSE);