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ximage: Initialize all fields in the meta explicitly

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The meta is not allocated with all fields initialized to zeroes.

https://bugzilla.gnome.org/show_bug.cgi?id=764902
This commit is contained in:
Sebastian Dröge 2016-04-13 09:57:16 +03:00
parent 40fbffc208
commit 4103f3d7f3
1 changed files with 19 additions and 1 deletions
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20
sys/ximage/ximageutil.c
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@ -36,6 +36,24 @@ gst_meta_ximage_api_get_type (void)
return type;
}
static gboolean
gst_meta_ximage_init (GstMeta * meta, gpointer params, GstBuffer * buffer)
{
GstMetaXImage *emeta = (GstMetaXImage *) meta;
emeta->parent = NULL;
emeta->ximage = NULL;
#ifdef HAVE_XSHM
emeta->SHMInfo.shmaddr = ((void *) -1);
emeta->SHMInfo.shmid = -1;
emeta->SHMInfo.readOnly = TRUE;
#endif
emeta->width = emeta->height = emeta->size = 0;
emeta->return_func = NULL;
return TRUE;
}
static gboolean
gst_meta_ximage_transform (GstBuffer * dest, GstMeta * meta,
GstBuffer * buffer, GQuark type, gpointer data)
@ -53,7 +71,7 @@ gst_meta_ximage_get_info (void)
if (g_once_init_enter (&meta_ximage_info)) {
const GstMetaInfo *meta =
gst_meta_register (gst_meta_ximage_api_get_type (), "GstMetaXImageSrc",
sizeof (GstMetaXImage), (GstMetaInitFunction) NULL,
sizeof (GstMetaXImage), (GstMetaInitFunction) gst_meta_ximage_init,
(GstMetaFreeFunction) NULL, gst_meta_ximage_transform);
g_once_init_leave (&meta_ximage_info, meta);
}