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/*
* H.264/HEVC common parsing code
*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_H2645_PARSE_H
#define AVCODEC_H2645_PARSE_H
#include <stdint.h>
#include "avcodec.h"
#include "get_bits.h"
typedef struct H2645NAL {
uint8_t *rbsp_buffer;
int rbsp_buffer_size;
int size;
const uint8_t *data;
/**
* Size, in bits, of just the data, excluding the stop bit and any trailing
* padding. I.e. what HEVC calls SODB.
*/
int size_bits;
int raw_size;
const uint8_t *raw_data;
GetBitContext gb;
/**
* NAL unit type
*/
int type;
/**
* HEVC only, nuh_temporal_id_plus_1 - 1
*/
int temporal_id;
/**
* H264 only, nal_ref_idc
*/
int ref_idc;
} H2645NAL;
/* an input packet split into unescaped NAL units */
typedef struct H2645Packet {
H2645NAL *nals;
int nb_nals;
int nals_allocated;
} H2645Packet;
/**
* Extract the raw (unescaped) bitstream.
*/
int ff_h2645_extract_rbsp(const uint8_t *src, int length,
H2645NAL *nal);
/**
* Split an input packet into NAL units.
*/
int ff_h2645_packet_split(H2645Packet *pkt, const uint8_t *buf, int length,
void *logctx, int is_nalff, int nal_length_size,
enum AVCodecID codec_id);
/**
* Free all the allocated memory in the packet.
*/
void ff_h2645_packet_uninit(H2645Packet *pkt);
#endif /* AVCODEC_H2645_PARSE_H */
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