ximagesrc: add meta transform function
ximage metadata can't be transformed or copied, but provide an empty transformation function instead of NULL to allow unconditional calling of metas' transform functions. https://bugzilla.gnome.org/show_bug.cgi?id=751778
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@ -36,6 +36,15 @@ gst_meta_ximage_api_get_type (void)
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return type;
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return type;
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}
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}
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static gboolean
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gst_meta_ximage_transform (GstBuffer * dest, GstMeta * meta,
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GstBuffer * buffer, GQuark type, gpointer data)
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{
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/* ximage metadata can't be transformed or copied */
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return FALSE;
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}
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const GstMetaInfo *
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const GstMetaInfo *
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gst_meta_ximage_get_info (void)
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gst_meta_ximage_get_info (void)
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{
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{
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@ -45,7 +54,7 @@ gst_meta_ximage_get_info (void)
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const GstMetaInfo *meta =
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const GstMetaInfo *meta =
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gst_meta_register (gst_meta_ximage_api_get_type (), "GstMetaXImageSrc",
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gst_meta_register (gst_meta_ximage_api_get_type (), "GstMetaXImageSrc",
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sizeof (GstMetaXImage), (GstMetaInitFunction) NULL,
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sizeof (GstMetaXImage), (GstMetaInitFunction) NULL,
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(GstMetaFreeFunction) NULL, (GstMetaTransformFunction) NULL);
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(GstMetaFreeFunction) NULL, gst_meta_ximage_transform);
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g_once_init_leave (&meta_ximage_info, meta);
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g_once_init_leave (&meta_ximage_info, meta);
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}
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}
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return meta_ximage_info;
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return meta_ximage_info;
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