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playback: reference count ts_offset

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Apparently this object is being used after it's freed.  This is one
way to fix it, although perhaps not the best way.  Fixes: #656715.
This commit is contained in:
David Schleef 2011-08-21 14:51:45 -07:00
parent 02763b2fa2
commit a912374342
1 changed files with 13 additions and 8 deletions
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21
gst/playback/gstplaysink.c
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@ -1263,9 +1263,9 @@ gen_video_chain (GstPlaySink * playsink, gboolean raw, gboolean async)
}
/* find ts-offset element */
chain->ts_offset =
gst_object_replace ((GstObject **) & chain->ts_offset, (GstObject *)
gst_play_sink_find_property_sinks (playsink, chain->sink, "ts-offset",
G_TYPE_INT64);
G_TYPE_INT64));
/* create a bin to hold objects, as we create them we add them to this bin so
* that when something goes wrong we only need to unref the bin */
@ -1388,9 +1388,10 @@ setup_video_chain (GstPlaySink * playsink, gboolean raw, gboolean async)
return FALSE;
/* find ts-offset element */
chain->ts_offset =
gst_object_replace ((GstObject **) & chain->ts_offset, (GstObject *)
gst_play_sink_find_property_sinks (playsink, chain->sink, "ts-offset",
G_TYPE_INT64);
G_TYPE_INT64));
/* if we can disable async behaviour of the sink, we can avoid adding a
* queue for the audio chain. */
@ -1705,9 +1706,9 @@ gen_audio_chain (GstPlaySink * playsink, gboolean raw)
}
/* find ts-offset element */
chain->ts_offset =
gst_object_replace ((GstObject **) & chain->ts_offset, (GstObject *)
gst_play_sink_find_property_sinks (playsink, chain->sink, "ts-offset",
G_TYPE_INT64);
G_TYPE_INT64));
/* check if the sink, or something within the sink, has the volume property.
* If it does we don't need to add a volume element. */
@ -1888,9 +1889,9 @@ setup_audio_chain (GstPlaySink * playsink, gboolean raw)
return FALSE;
/* find ts-offset element */
chain->ts_offset =
gst_object_replace ((GstObject **) & chain->ts_offset, (GstObject *)
gst_play_sink_find_property_sinks (playsink, chain->sink, "ts-offset",
G_TYPE_INT64);
G_TYPE_INT64));
/* check if the sink, or something within the sink, has the volume property.
* If it does we don't need to add a volume element. */
@ -2302,6 +2303,7 @@ gst_play_sink_reconfigure (GstPlaySink * playsink)
add_chain (GST_PLAY_CHAIN (playsink->videochain), FALSE);
activate_chain (GST_PLAY_CHAIN (playsink->videochain), FALSE);
g_object_unref (playsink->videochain->ts_offset);
playsink->videochain->ts_offset = NULL;
}
@ -2355,6 +2357,7 @@ gst_play_sink_reconfigure (GstPlaySink * playsink)
disconnect_chain (playsink->audiochain, playsink);
playsink->audiochain->volume = NULL;
playsink->audiochain->mute = NULL;
g_object_unref (playsink->audiochain->ts_offset);
playsink->audiochain->ts_offset = NULL;
free_chain ((GstPlayChain *) playsink->audiochain);
playsink->audiochain = NULL;
@ -2423,6 +2426,7 @@ gst_play_sink_reconfigure (GstPlaySink * playsink)
disconnect_chain (playsink->audiochain, playsink);
playsink->audiochain->volume = NULL;
playsink->audiochain->mute = NULL;
g_object_unref (playsink->audiochain->ts_offset);
playsink->audiochain->ts_offset = NULL;
}
add_chain (GST_PLAY_CHAIN (playsink->audiochain), FALSE);
@ -3429,6 +3433,7 @@ gst_play_sink_change_state (GstElement * element, GstStateChange transition)
disconnect_chain (playsink->audiochain, playsink);
playsink->audiochain->volume = NULL;
playsink->audiochain->mute = NULL;
g_object_unref (playsink->audiochain->ts_offset);
playsink->audiochain->ts_offset = NULL;
}
ret = GST_STATE_CHANGE_SUCCESS;