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playbin2: Disconnect and destroy uridecodebins when going from READY to NULL

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Fixes spurious errors that happen after an error and playing a working
stream afterwards or signals that are emitted for non-active groups.

Fixes bug #624266.
This commit is contained in:
Sebastian Dröge 2010-07-14 12:59:19 +02:00
parent ac83fbfdbd
commit 8bd37ab995
1 changed files with 32 additions and 21 deletions
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53
gst/playback/gstplaybin2.c
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@ -3448,7 +3448,7 @@ setup_next_source (GstPlayBin * playbin, GstState target)
/* first unlink the current source, if any */ /* first unlink the current source, if any */
old_group = playbin->curr_group; old_group = playbin->curr_group;
if (old_group && old_group->valid) { if (old_group && old_group->valid && old_group->active) {
gst_play_bin_update_cached_duration (playbin); gst_play_bin_update_cached_duration (playbin);
/* unlink our pads with the sink */ /* unlink our pads with the sink */
deactivate_group (playbin, old_group); deactivate_group (playbin, old_group);
@ -3573,30 +3573,12 @@ gst_play_bin_change_state (GstElement * element, GstStateChange transition)
GST_LOG_OBJECT (playbin, "dynamic lock taken, we can continue shutdown"); GST_LOG_OBJECT (playbin, "dynamic lock taken, we can continue shutdown");
GST_PLAY_BIN_DYN_UNLOCK (playbin); GST_PLAY_BIN_DYN_UNLOCK (playbin);
break; break;
case GST_STATE_CHANGE_READY_TO_NULL:{ case GST_STATE_CHANGE_READY_TO_NULL:
guint i;
memset (&playbin->duration, 0, sizeof (playbin->duration)); memset (&playbin->duration, 0, sizeof (playbin->duration));
/* unlock so that all groups go to NULL */ /* unlock so that all groups go to NULL */
groups_set_locked_state (playbin, FALSE); groups_set_locked_state (playbin, FALSE);
for (i = 0; i < 2; i++) {
if (playbin->groups[i].uridecodebin) {
gst_element_set_state (playbin->groups[i].uridecodebin,
GST_STATE_NULL);
gst_object_unref (playbin->groups[i].uridecodebin);
playbin->groups[i].uridecodebin = NULL;
}
if (playbin->groups[i].suburidecodebin) {
gst_element_set_state (playbin->groups[i].suburidecodebin,
GST_STATE_NULL);
gst_object_unref (playbin->groups[i].suburidecodebin);
playbin->groups[i].suburidecodebin = NULL;
}
}
break; break;
}
default: default:
break; break;
} }
@ -3615,10 +3597,38 @@ gst_play_bin_change_state (GstElement * element, GstStateChange transition)
save_current_group (playbin); save_current_group (playbin);
break; break;
case GST_STATE_CHANGE_READY_TO_NULL: case GST_STATE_CHANGE_READY_TO_NULL:
{
guint i;
/* Deactive the groups, set the uridecodebins to NULL
* and unref them.
*/
for (i = 0; i < 2; i++) {
if (playbin->groups[i].active && playbin->groups[i].valid) {
deactivate_group (playbin, &playbin->groups[i]);
playbin->groups[i].valid = FALSE;
}
if (playbin->groups[i].uridecodebin) {
gst_element_set_state (playbin->groups[i].uridecodebin,
GST_STATE_NULL);
gst_object_unref (playbin->groups[i].uridecodebin);
playbin->groups[i].uridecodebin = NULL;
}
if (playbin->groups[i].suburidecodebin) {
gst_element_set_state (playbin->groups[i].suburidecodebin,
GST_STATE_NULL);
gst_object_unref (playbin->groups[i].suburidecodebin);
playbin->groups[i].suburidecodebin = NULL;
}
}
/* make sure the groups don't perform a state change anymore until we /* make sure the groups don't perform a state change anymore until we
* enable them again */ * enable them again */
groups_set_locked_state (playbin, TRUE); groups_set_locked_state (playbin, TRUE);
break; break;
}
default: default:
break; break;
} }
@ -3632,9 +3642,10 @@ failure:
GstSourceGroup *curr_group; GstSourceGroup *curr_group;
curr_group = playbin->curr_group; curr_group = playbin->curr_group;
if (curr_group && curr_group->valid) { if (curr_group && curr_group->active && curr_group->valid) {
/* unlink our pads with the sink */ /* unlink our pads with the sink */
deactivate_group (playbin, curr_group); deactivate_group (playbin, curr_group);
curr_group->valid = FALSE;
} }
/* Swap current and next group back */ /* Swap current and next group back */