mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-25 03:01:03 +00:00
89 lines
3.3 KiB
C
89 lines
3.3 KiB
C
/* Gstreamer
|
|
* Copyright (C) <2012> Edward Hervey <edward@collabora.com>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifndef __GST_MPEG_VIDEO_META_H__
|
|
#define __GST_MPEG_VIDEO_META_H__
|
|
|
|
#ifndef GST_USE_UNSTABLE_API
|
|
#warning "The Mpeg video parsing library is unstable API and may change in future."
|
|
#warning "You can define GST_USE_UNSTABLE_API to avoid this warning."
|
|
#endif
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/codecparsers/gstmpegvideoparser.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
typedef struct _GstMpegVideoMeta GstMpegVideoMeta;
|
|
|
|
GType gst_mpeg_video_meta_api_get_type (void);
|
|
#define GST_MPEG_VIDEO_META_API_TYPE (gst_mpeg_video_meta_api_get_type())
|
|
#define GST_MPEG_VIDEO_META_INFO (gst_mpeg_video_meta_get_info())
|
|
const GstMetaInfo * gst_mpeg_video_meta_get_info (void);
|
|
|
|
/**
|
|
* GstMpegVideoMeta:
|
|
* @meta: parent #GstMeta
|
|
* @sequencehdr: the #GstMpegVideoSequenceHdr if present in the buffer
|
|
* @sequenceext: the #GstMpegVideoSequenceExt if present in the buffer
|
|
* @sequencedispext: the #GstMpegVideoSequenceDisplayExt if present in the
|
|
* buffer.
|
|
* @pichdr: the #GstMpegVideoPictureHdr if present in the buffer.
|
|
* @picext: the #GstMpegVideoPictureExt if present in the buffer.
|
|
* @quantext: the #GstMpegVideoQuantMatrixExt if present in the buffer
|
|
*
|
|
* Extra buffer metadata describing the contents of a MPEG1/2 Video frame
|
|
*
|
|
* Can be used by elements (mainly decoders) to avoid having to parse
|
|
* Mpeg video 1/2 packets if it can be done upstream.
|
|
*
|
|
* The various fields are only valid during the lifetime of the #GstMpegVideoMeta.
|
|
* If elements wish to use those for longer, they are required to make a copy.
|
|
*
|
|
* Since: 1.2
|
|
*/
|
|
struct _GstMpegVideoMeta {
|
|
GstMeta meta;
|
|
|
|
GstMpegVideoSequenceHdr *sequencehdr;
|
|
GstMpegVideoSequenceExt *sequenceext;
|
|
GstMpegVideoSequenceDisplayExt *sequencedispext;
|
|
GstMpegVideoPictureHdr *pichdr;
|
|
GstMpegVideoPictureExt *picext;
|
|
GstMpegVideoQuantMatrixExt *quantext;
|
|
|
|
guint num_slices;
|
|
gsize slice_offset;
|
|
};
|
|
|
|
|
|
#define gst_buffer_get_mpeg_video_meta(b) ((GstMpegVideoMeta*)gst_buffer_get_meta((b),GST_MPEG_VIDEO_META_API_TYPE))
|
|
|
|
GstMpegVideoMeta *
|
|
gst_buffer_add_mpeg_video_meta (GstBuffer * buffer,
|
|
const GstMpegVideoSequenceHdr *seq_hdr,
|
|
const GstMpegVideoSequenceExt *seq_ext,
|
|
const GstMpegVideoSequenceDisplayExt *disp_ext,
|
|
const GstMpegVideoPictureHdr *pic_hdr,
|
|
const GstMpegVideoPictureExt *pic_ext,
|
|
const GstMpegVideoQuantMatrixExt *quant_ext);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif
|