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glvideomixer: fix vertex_buffer leak

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We call the base class first as this will remove the pad from
the aggregator, thus stopping misc callbacks from being called,
one of which (process_textures) will recreate the vertex_buffer
if it is destroyed

https://bugzilla.gnome.org/show_bug.cgi?id=760873
This commit is contained in:
Vincent Penquerc'h 2016-10-03 13:11:07 +01:00 committed by Tim-Philipp Müller
parent e9aa117200
commit 782fb43887
1 changed files with 8 additions and 2 deletions
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10
ext/gl/gstglvideomixer.c
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@ -841,14 +841,20 @@ static void
gst_gl_video_mixer_release_pad (GstElement * element, GstPad * p)
{
GstGLVideoMixerPad *pad = GST_GL_VIDEO_MIXER_PAD (p);
/* we call the base class first as this will remove the pad from
* the aggregator, thus stopping misc callbacks from being called,
* one of which (process_textures) will recreate the vertex_buffer
* if it is destroyed */
GST_ELEMENT_CLASS (g_type_class_peek_parent (G_OBJECT_GET_CLASS (element)))
->release_pad (element, p);
if (pad->vertex_buffer) {
GstGLBaseMixer *mix = GST_GL_BASE_MIXER (element);
gst_gl_context_thread_add (mix->context, (GstGLContextThreadFunc)
_del_buffer, &pad->vertex_buffer);
pad->vertex_buffer = 0;
}
GST_ELEMENT_CLASS (g_type_class_peek_parent (G_OBJECT_GET_CLASS (element)))
->release_pad (element, p);
}
static void