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core: pipeline: protect priv->is_live with object lock

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It's supposed to be according to the comment where it's defined.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4472>
This commit is contained in:
Guillaume Desmottes 2023-04-21 17:44:43 +02:00
parent b8cb0d1d7f
commit 9dc4d48ff5
1 changed files with 10 additions and 2 deletions
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12
subprojects/gstreamer/gst/gstpipeline.c
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@ -519,7 +519,9 @@ gst_pipeline_change_state (GstElement * element, GstStateChange transition)
break;
}
case GST_STATE_CHANGE_PAUSED_TO_READY:
GST_OBJECT_LOCK (element);
pipeline->priv->is_live = FALSE;
GST_OBJECT_UNLOCK (element);
reset_start_time (pipeline, 0);
break;
case GST_STATE_CHANGE_READY_TO_NULL:
@ -529,9 +531,11 @@ gst_pipeline_change_state (GstElement * element, GstStateChange transition)
result = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
if (GST_STATE_TRANSITION_NEXT (transition) == GST_STATE_PAUSED) {
GST_OBJECT_LOCK (element);
pipeline->priv->is_live = result == GST_STATE_CHANGE_NO_PREROLL;
GST_INFO_OBJECT (pipeline, "pipeline is%slive",
pipeline->priv->is_live ? " " : " not ");
GST_OBJECT_UNLOCK (element);
}
switch (transition) {
@ -621,6 +625,7 @@ gst_pipeline_handle_message (GstBin * bin, GstMessage * message)
case GST_MESSAGE_RESET_TIME:
{
GstClockTime running_time;
gboolean is_live;
gst_message_parse_reset_time (message, &running_time);
@ -628,9 +633,12 @@ gst_pipeline_handle_message (GstBin * bin, GstMessage * message)
* children. */
reset_start_time (pipeline, running_time);
GST_OBJECT_LOCK (pipeline);
is_live = pipeline->priv->is_live;
GST_OBJECT_UNLOCK (pipeline);
/* If we are live, sample a new base_time immediately */
if (pipeline->priv->is_live
&& GST_STATE_TARGET (pipeline) == GST_STATE_PLAYING) {
if (is_live && GST_STATE_TARGET (pipeline) == GST_STATE_PLAYING) {
gst_pipeline_change_state (GST_ELEMENT (pipeline),
GST_STATE_CHANGE_PAUSED_TO_PLAYING);
}