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bin: Do not deactivate pad in NULL_TO_READY

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Since b76d336549
pads are deactivated when going to READY but in `uridecodebin(3)`, the
sources source pads are activated while in NULL state (when PULL mode is
supported), meaning that we are ending up deactivating those pads in
NULL_TO_READY, breaking the pipeline.

The intent of the commit mentioned above is to ensure that the pads are
deactivated either in PAUSED_TO_READY or READY_TO_READY, so it should
be safe to avoid deactivating in NULL_TO_READY.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3849>
This commit is contained in:
Thibault Saunier 2023-01-30 23:49:25 -03:00 committed by GStreamer Marge Bot
parent c3e52d5c4f
commit 1bab0ef2aa
1 changed files with 7 additions and 4 deletions
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11
subprojects/gstreamer/gst/gstbin.c
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@ -2876,10 +2876,13 @@ gst_bin_change_state_func (GstElement * element, GstStateChange transition)
GST_DEBUG_OBJECT (element, "clearing all cached messages");
bin_remove_messages (bin, NULL, GST_MESSAGE_ANY);
GST_OBJECT_UNLOCK (bin);
/* We might not have reached PAUSED yet due to async errors,
* make sure to always deactivate the pads nonetheless */
if (!(gst_bin_src_pads_activate (bin, FALSE)))
goto activate_failure;
/* Pads can be activated in PULL mode before in NULL state */
if (current != GST_STATE_NULL) {
/* We might not have reached PAUSED yet due to async errors,
* make sure to always deactivate the pads nonetheless */
if (!gst_bin_src_pads_activate (bin, FALSE))
goto activate_failure;
}
break;
case GST_STATE_NULL:
/* Clear message list on next NULL */