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video-anc: Register an init function for Bar meta

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The init function is mandatory and we keep around uninitialized memory
otherwise.

Fixes https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/issues/747
This commit is contained in:
Sebastian Dröge 2020-04-19 18:29:18 +03:00
parent cdd5470f06
commit 98bb7d0c2e
1 changed files with 15 additions and 1 deletions
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16
gst-libs/gst/video/video-anc.c
View file

@ -1242,6 +1242,20 @@ gst_video_bar_meta_api_get_type (void)
return type;
}
static gboolean
gst_video_bar_meta_init (GstMeta * meta, gpointer params, GstBuffer * buffer)
{
GstVideoBarMeta *emeta = (GstVideoBarMeta *) meta;
emeta->field = 0;
emeta->is_letterbox = FALSE;
emeta->bar_data1 = 0;
emeta->bar_data2 = 0;
return TRUE;
}
const GstMetaInfo *
gst_video_bar_meta_get_info (void)
{
@ -1251,7 +1265,7 @@ gst_video_bar_meta_get_info (void)
const GstMetaInfo *mi = gst_meta_register (GST_VIDEO_BAR_META_API_TYPE,
"GstVideoBarMeta",
sizeof (GstVideoBarMeta),
NULL,
gst_video_bar_meta_init,
NULL,
NULL);
g_once_init_leave ((GstMetaInfo **) & meta_info, (GstMetaInfo *) mi);