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framepositionner: Initialize all fields of the meta during initialization

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GstMetas are not allocated with all fields initialized to zeroes.
This commit is contained in:
Sebastian Dröge 2016-04-13 12:26:13 +03:00
parent 9add236a0e
commit 3741d5ce19
1 changed files with 22 additions and 5 deletions
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27
ges/gstframepositionner.c
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@ -38,8 +38,10 @@ static GstFlowReturn gst_frame_positionner_transform_ip (GstBaseTransform *
trans, GstBuffer * buf); trans, GstBuffer * buf);
static gboolean static gboolean
gst_frame_positionner_meta_transform (GstBuffer * dest, GstMeta * meta, gst_frame_positionner_meta_init (GstMeta * meta, gpointer params,
GstBuffer * buffer, GQuark type, gpointer data); GstBuffer * buffer);
static gboolean gst_frame_positionner_meta_transform (GstBuffer * dest,
GstMeta * meta, GstBuffer * buffer, GQuark type, gpointer data);
enum enum
{ {
@ -428,14 +430,29 @@ gst_frame_positionner_get_info (void)
const GstMetaInfo *meta = const GstMetaInfo *meta =
gst_meta_register (gst_frame_positionner_meta_api_get_type (), gst_meta_register (gst_frame_positionner_meta_api_get_type (),
"GstFramePositionnerMeta", "GstFramePositionnerMeta",
sizeof (GstFramePositionnerMeta), (GstMetaInitFunction) NULL, sizeof (GstFramePositionnerMeta), gst_frame_positionner_meta_init,
(GstMetaFreeFunction) NULL, NULL,
(GstMetaTransformFunction) gst_frame_positionner_meta_transform); gst_frame_positionner_meta_transform);
g_once_init_leave (&meta_info, meta); g_once_init_leave (&meta_info, meta);
} }
return meta_info; return meta_info;
} }
static gboolean
gst_frame_positionner_meta_init (GstMeta * meta, gpointer params,
GstBuffer * buffer)
{
GstFramePositionnerMeta *smeta;
smeta = (GstFramePositionnerMeta *) meta;
smeta->alpha = 0.0;
smeta->posx = smeta->posy = smeta->height = smeta->width = 0;
smeta->zorder = 0;
return TRUE;
}
static gboolean static gboolean
gst_frame_positionner_meta_transform (GstBuffer * dest, GstMeta * meta, gst_frame_positionner_meta_transform (GstBuffer * dest, GstMeta * meta,
GstBuffer * buffer, GQuark type, gpointer data) GstBuffer * buffer, GQuark type, gpointer data)