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baseaudio: avoid taking extra ref on sink/src

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Don't take an extra ref on the sink and source because that creates a reference
cycle. Instead, use the invalidate method of the clock when the sink and source
are freed. This way, we don't call into the time function anymore after the
objects are disposed.
This commit is contained in:
Wim Taymans 2010-09-07 18:09:12 +02:00
parent c7972692d3
commit 24226284b8
2 changed files with 12 additions and 10 deletions
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11
gst-libs/gst/audio/gstbaseaudiosink.c
View file

@ -272,9 +272,8 @@ gst_base_audio_sink_init (GstBaseAudioSink * baseaudiosink,
baseaudiosink->provide_clock = DEFAULT_PROVIDE_CLOCK;
baseaudiosink->priv->slave_method = DEFAULT_SLAVE_METHOD;
baseaudiosink->provided_clock = gst_audio_clock_new_full ("GstAudioSinkClock",
(GstAudioClockGetTimeFunc) gst_base_audio_sink_get_time,
gst_object_ref (baseaudiosink), (GDestroyNotify) gst_object_unref);
baseaudiosink->provided_clock = gst_audio_clock_new ("GstAudioSinkClock",
(GstAudioClockGetTimeFunc) gst_base_audio_sink_get_time, baseaudiosink);
GST_BASE_SINK (baseaudiosink)->can_activate_push = TRUE;
GST_BASE_SINK (baseaudiosink)->can_activate_pull = DEFAULT_CAN_ACTIVATE_PULL;
@ -311,9 +310,11 @@ gst_base_audio_sink_dispose (GObject * object)
sink = GST_BASE_AUDIO_SINK (object);
if (sink->provided_clock)
if (sink->provided_clock) {
gst_audio_clock_invalidate (sink->provided_clock);
gst_object_unref (sink->provided_clock);
sink->provided_clock = NULL;
sink->provided_clock = NULL;
}
if (sink->ringbuffer) {
gst_object_unparent (GST_OBJECT_CAST (sink->ringbuffer));

11
gst-libs/gst/audio/gstbaseaudiosrc.c
View file

@ -250,9 +250,8 @@ gst_base_audio_src_init (GstBaseAudioSrc * baseaudiosrc,
* value based on negotiated format. */
GST_BASE_SRC (baseaudiosrc)->blocksize = 0;
baseaudiosrc->clock = gst_audio_clock_new_full ("GstAudioSrcClock",
(GstAudioClockGetTimeFunc) gst_base_audio_src_get_time,
gst_object_ref (baseaudiosrc), (GDestroyNotify) gst_object_unref);
baseaudiosrc->clock = gst_audio_clock_new ("GstAudioSrcClock",
(GstAudioClockGetTimeFunc) gst_base_audio_src_get_time, baseaudiosrc);
/* we are always a live source */
gst_base_src_set_live (GST_BASE_SRC (baseaudiosrc), TRUE);
@ -268,9 +267,11 @@ gst_base_audio_src_dispose (GObject * object)
src = GST_BASE_AUDIO_SRC (object);
GST_OBJECT_LOCK (src);
if (src->clock)
if (src->clock) {
gst_audio_clock_invalidate (src->clock);
gst_object_unref (src->clock);
src->clock = NULL;
src->clock = NULL;
}
if (src->ringbuffer) {
gst_object_unparent (GST_OBJECT_CAST (src->ringbuffer));