76 lines
3.2 KiB
C
76 lines
3.2 KiB
C
/*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg 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.
|
|
*
|
|
* FFmpeg 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 FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef AVCODEC_CBS_H2645_H
|
|
#define AVCODEC_CBS_H2645_H
|
|
|
|
#include "cbs.h"
|
|
#include "h2645_parse.h"
|
|
|
|
|
|
typedef struct CodedBitstreamH2645Context {
|
|
// If set, the stream being read is in MP4 (AVCC/HVCC) format. If not
|
|
// set, the stream is assumed to be in annex B format.
|
|
int mp4;
|
|
// Size in bytes of the NAL length field for MP4 format.
|
|
int nal_length_size;
|
|
// Packet reader.
|
|
H2645Packet read_packet;
|
|
} CodedBitstreamH2645Context;
|
|
|
|
struct GetBitContext;
|
|
struct PutBitContext;
|
|
|
|
int ff_cbs_read_ue_golomb(CodedBitstreamContext *ctx, struct GetBitContext *gbc,
|
|
const char *name, const int *subscripts,
|
|
uint32_t *write_to,
|
|
uint32_t range_min, uint32_t range_max);
|
|
int ff_cbs_read_se_golomb(CodedBitstreamContext *ctx, struct GetBitContext *gbc,
|
|
const char *name, const int *subscripts,
|
|
int32_t *write_to,
|
|
int32_t range_min, int32_t range_max);
|
|
int ff_cbs_write_ue_golomb(CodedBitstreamContext *ctx, struct PutBitContext *pbc,
|
|
const char *name, const int *subscripts,
|
|
uint32_t value,
|
|
uint32_t range_min, uint32_t range_max);
|
|
int ff_cbs_write_se_golomb(CodedBitstreamContext *ctx, struct PutBitContext *pbc,
|
|
const char *name, const int *subscripts,
|
|
int32_t value,
|
|
int32_t range_min, int32_t range_max);
|
|
|
|
int ff_cbs_h2645_read_more_rbsp_data(struct GetBitContext *gbc);
|
|
|
|
int ff_cbs_h2645_fragment_add_nals(CodedBitstreamContext *ctx,
|
|
CodedBitstreamFragment *frag,
|
|
const H2645Packet *packet);
|
|
|
|
int ff_cbs_h2645_write_slice_data(CodedBitstreamContext *ctx,
|
|
struct PutBitContext *pbc, const uint8_t *data,
|
|
size_t data_size, int data_bit_start);
|
|
|
|
int ff_cbs_h2645_assemble_fragment(CodedBitstreamContext *ctx,
|
|
CodedBitstreamFragment *frag);
|
|
|
|
/**
|
|
* payload_extension_present() - true if we are before the last 1-bit
|
|
* in the payload structure, which must be in the last byte.
|
|
*/
|
|
int ff_cbs_h2645_payload_extension_present(struct GetBitContext *gbc, uint32_t payload_size,
|
|
int cur_pos);
|
|
|
|
#endif /* AVCODEC_CBS_H2645_H */
|