gst/mxf/: Add initial parsing of RGBA descriptors.

Original commit message from CVS:
* gst/mxf/mxfdemux.c: (gst_mxf_demux_reset_metadata),
(gst_mxf_demux_handle_metadata_generic_descriptor),
(gst_mxf_demux_handle_metadata_file_descriptor),
(gst_mxf_demux_handle_metadata_multiple_descriptor),
(gst_mxf_demux_handle_metadata_generic_picture_essence_descriptor),
(gst_mxf_demux_handle_metadata_cdci_picture_essence_descriptor),
(gst_mxf_demux_handle_metadata_rgba_picture_essence_descriptor),
(gst_mxf_demux_handle_metadata_mpeg_video_descriptor),
(gst_mxf_demux_handle_metadata_generic_sound_essence_descriptor),
(gst_mxf_demux_handle_metadata_wave_audio_essence_descriptor),
(gst_mxf_demux_handle_header_metadata_resolve_references),
(gst_mxf_demux_handle_metadata):
* gst/mxf/mxfdemux.h:
* gst/mxf/mxfparse.c:
(mxf_metadata_rgba_picture_essence_descriptor_handle_tag),
(mxf_metadata_rgba_picture_essence_descriptor_reset):
* gst/mxf/mxfparse.h:
* gst/mxf/mxftypes.h:
Add initial parsing of RGBA descriptors.
Don't initialize descriptor GArray with zeroes.

1 files changed, 13 insertions, 0 deletions

diff --git a/gst/mxf/mxftypes.h b/gst/mxf/mxftypes.h
index c253f2c7..6fd15fae 100644
--- a/gst/mxf/mxftypes.h
+++ b/gst/mxf/mxftypes.h
@@ -149,6 +149,7 @@ typedef struct _MXFMetadataGenericDescriptor MXFMetadataGenericDescriptor;
 typedef struct _MXFMetadataFileDescriptor MXFMetadataFileDescriptor;
 typedef struct _MXFMetadataGenericPictureEssenceDescriptor MXFMetadataGenericPictureEssenceDescriptor;
 typedef struct _MXFMetadataCDCIPictureEssenceDescriptor MXFMetadataCDCIPictureEssenceDescriptor;
+typedef struct _MXFMetadataRGBAPictureEssenceDescriptor MXFMetadataRGBAPictureEssenceDescriptor;
 typedef struct _MXFMetadataGenericSoundEssenceDescriptor MXFMetadataGenericSoundEssenceDescriptor;
 typedef struct _MXFMetadataMultipleDescriptor MXFMetadataMultipleDescriptor;
 typedef struct _MXFMetadataLocator MXFMetadataLocator;
@@ -422,6 +423,18 @@ struct _MXFMetadataCDCIPictureEssenceDescriptor {
   guint32 color_range;
 };
 
+struct _MXFMetadataRGBAPictureEssenceDescriptor {
+  MXFMetadataGenericPictureEssenceDescriptor parent;
+
+  guint32 component_max_ref;
+  guint32 component_min_ref;
+  guint32 alpha_max_ref;
+  guint32 alpha_min_ref;
+  guint8 scanning_direction;
+
+  /* TODO: pixel layout, palette & palette layout */
+};
+
 struct _MXFMetadataGenericSoundEssenceDescriptor {
   MXFMetadataFileDescriptor parent;