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scenechange: fix memory leak

Browse source 
A reference to the last buffer(oldbuf) was kept
leading to a memory leak on stop.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/7662>
This commit is contained in:
Stéphane Cerveau 2024-10-14 15:31:54 +02:00 committed by GStreamer Marge Bot
parent 2dbe077619
commit 5e7f187d93
1 changed files with 11 additions and 4 deletions
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13
subprojects/gst-plugins-bad/gst/videofilters/gstscenechange.c
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@ -92,6 +92,7 @@ GST_DEBUG_CATEGORY_STATIC (gst_scene_change_debug_category);
static GstFlowReturn gst_scene_change_transform_frame_ip (GstVideoFilter *
filter, GstVideoFrame * frame);
static gboolean gst_scenechange_stop (GstBaseTransform * base);
#undef TESTING
#ifdef TESTING
@ -119,6 +120,7 @@ static void
gst_scene_change_class_init (GstSceneChangeClass * klass)
{
GstVideoFilterClass *video_filter_class = GST_VIDEO_FILTER_CLASS (klass);
GstBaseTransformClass *trans_class = GST_BASE_TRANSFORM_CLASS (klass);
gst_element_class_add_pad_template (GST_ELEMENT_CLASS (klass),
gst_pad_template_new ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
@ -135,6 +137,7 @@ gst_scene_change_class_init (GstSceneChangeClass * klass)
video_filter_class->transform_frame_ip =
GST_DEBUG_FUNCPTR (gst_scene_change_transform_frame_ip);
trans_class->stop = GST_DEBUG_FUNCPTR (gst_scenechange_stop);
}
static void
@ -142,7 +145,6 @@ gst_scene_change_init (GstSceneChange * scenechange)
{
}
static double
get_frame_score (GstVideoFrame * f1, GstVideoFrame * f2)
{
@ -259,10 +261,15 @@ gst_scene_change_transform_frame_ip (GstVideoFilter * filter,
return GST_FLOW_OK;
}
static gboolean
gst_scenechange_stop (GstBaseTransform * base)
{
GstSceneChange *scenechange = GST_SCENE_CHANGE (base);
gst_clear_buffer (&scenechange->oldbuf);
return TRUE;
}
#ifdef TESTING
/* This is from ds's personal collection. No, you can't have it. */