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gst-libs/gst/audio/gstaudiofilter.c: Clear our formats structure and free the caps contained in it when shutting down.

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Original commit message from CVS:
* gst-libs/gst/audio/gstaudiofilter.c:
(gst_audio_filter_class_init), (gst_audio_filter_change_state):
Clear our formats structure and free the caps contained in it when
shutting down.
This commit is contained in:
Tim-Philipp Müller 2007-02-06 09:42:05 +00:00
parent 451ff2f992
commit 5b499dec66
2 changed files with 50 additions and 4 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
2007-02-06 Tim-Philipp Müller <tim at centricular dot net>
* gst-libs/gst/audio/gstaudiofilter.c:
(gst_audio_filter_class_init), (gst_audio_filter_change_state):
Clear our formats structure and free the caps contained in it when
shutting down.
2007-02-05 Andy Wingo <wingo@pobox.com>
* gst-libs/gst/audio/gstbaseaudiosink.c

47
gst-libs/gst/audio/gstaudiofilter.c
View file

@ -61,7 +61,8 @@ GST_ELEMENT_DETAILS ("Audio filter base class",
static void gst_audio_filter_base_init (gpointer g_class);
static void gst_audio_filter_class_init (gpointer g_class, gpointer class_data);
static void gst_audio_filter_init (GTypeInstance * instance, gpointer g_class);
static GstStateChangeReturn gst_audio_filter_change_state (GstElement * element,
GstStateChange transition);
static gboolean gst_audio_filter_set_caps (GstBaseTransform * btrans,
GstCaps * incaps, GstCaps * outcaps);
@ -106,21 +107,59 @@ static void
gst_audio_filter_class_init (gpointer klass, gpointer class_data)
{
GstBaseTransformClass *basetrans_class;
GstElementClass *gstelement_class;
parent_class = g_type_class_peek_parent (klass);
gstelement_class = (GstElementClass *) klass;
basetrans_class = (GstBaseTransformClass *) klass;
gstelement_class->change_state =
GST_DEBUG_FUNCPTR (gst_audio_filter_change_state);
basetrans_class->set_caps = GST_DEBUG_FUNCPTR (gst_audio_filter_set_caps);
}
static void
gst_audio_filter_init (GTypeInstance * instance, gpointer g_class)
{
GstAudioFilter *filter = GST_AUDIO_FILTER (instance);
/* nothing to do here */
}
/* to make gst_buffer_spec_parse_caps() happy, not used in our case */
filter->format.latency_time = GST_SECOND;
/* we override the state change vfunc here instead of GstBaseTransform's stop
* vfunc, so GstAudioFilter-derived elements can override ::stop() for their
* own purposes without having to worry about chaining up */
static GstStateChangeReturn
gst_audio_filter_change_state (GstElement * element, GstStateChange transition)
{
GstStateChangeReturn ret;
GstAudioFilter *filter;
filter = GST_AUDIO_FILTER (element);
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
memset (&filter->format, 0, sizeof (GstRingBufferSpec));
/* to make gst_buffer_spec_parse_caps() happy */
filter->format.latency_time = GST_SECOND;
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
if (ret == GST_STATE_CHANGE_FAILURE)
return ret;
switch (transition) {
case GST_STATE_CHANGE_PAUSED_TO_READY:
case GST_STATE_CHANGE_READY_TO_NULL:
gst_caps_replace (&filter->format.caps, NULL);
break;
default:
break;
}
return ret;
}
static gboolean