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/* 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_H264_META_H__
#define __GST_H264_META_H__
#ifndef GST_USE_UNSTABLE_API
#warning "The h264 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/gsth264parser.h>
G_BEGIN_DECLS
typedef struct _GstH264Meta GstH264Meta;
GType gst_h264_meta_api_get_type (void);
#define GST_H264_META_API_TYPE (gst_h264_meta_api_get_type())
#define GST_H264_META_INFO (gst_h264_meta_get_info())
const GstMetaInfo * gst_h264_meta_get_info (void);
/**
* GstH264Meta:
* @meta: parent #GstMeta
* @sps: List of #GstH264SPS present in the buffer
* @pps: List of #Gsth264PPS present in the buffer
* @sei: List of #GstH264SEIMessage present in the buffer
* @slices: List of #GstH264SliceHdr present in the buffer
* @slice_offset: List of offset (as #gsize) present in the buffer, the
* order and index of the offset is the same as the @slices.
*
* Extra buffer metadata describing the contents of a H264 Video frame.
*
* Can be used by elements (mainly decoders) to avoid having to parse
* H264 packets if it can be done upstream.
*
* The contents of the @sps, @pps, @sei, @slices, @slice_offset lists are
* only valid during the lifetime of the #GstH264Meta. If elements wish
* to use those for longer, they are required to make a copy.
*/
struct _GstH264Meta {
GstMeta meta;
GList *sps;
GList *pps;
GList *sei;
GList *slices;
GList *slice_offsets;
};
#define gst_buffer_get_h264_meta(b) ((GstH264Meta*)gst_buffer_get_meta((b),GST_H264_META_API_TYPE))
GstH264Meta *
gst_buffer_add_h264_meta (GstBuffer * buffer);
void gst_h264_meta_add_sps (GstH264Meta *meta, const GstH264SPS *sps);
void gst_h264_meta_add_pps (GstH264Meta *meta, const GstH264PPS *pps);
void gst_h264_meta_add_sei (GstH264Meta *meta, const GstH264SEIMessage *sei);
void gst_h264_meta_add_slice (GstH264Meta *meta, const GstH264SliceHdr *slice,
gsize offset);
G_END_DECLS
#endif
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