/* [<][>][^][v][top][bottom][index][help] */
/*
* H.265 video codec.
* Copyright (c) 2013-2014 struktur AG, Dirk Farin <farin@struktur.de>
*
* This file is part of libde265.
*
* libde265 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 3 of
* the License, or (at your option) any later version.
*
* libde265 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 libde265. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef DE265_NAL_H
#define DE265_NAL_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdint.h>
#ifdef HAVE_STDBOOL_H
#include <stdbool.h>
#endif
#include "libde265/bitstream.h"
struct nal_header {
nal_header() {
nal_unit_type = 0;
nuh_layer_id = 0;
nuh_temporal_id = 0;
}
int nal_unit_type;
int nuh_layer_id;
int nuh_temporal_id;
};
#define NAL_UNIT_TRAIL_N 0
#define NAL_UNIT_TRAIL_R 1
#define NAL_UNIT_TSA_N 2
#define NAL_UNIT_TSA_R 3
#define NAL_UNIT_STSA_N 4
#define NAL_UNIT_STSA_R 5
#define NAL_UNIT_RADL_N 6
#define NAL_UNIT_RADL_R 7
#define NAL_UNIT_RASL_N 8
#define NAL_UNIT_RASL_R 9
#define NAL_UNIT_RESERVED_VCL_N10 10
#define NAL_UNIT_RESERVED_VCL_N12 12
#define NAL_UNIT_RESERVED_VCL_N14 14
#define NAL_UNIT_RESERVED_VCL_R11 11
#define NAL_UNIT_RESERVED_VCL_R13 13
#define NAL_UNIT_RESERVED_VCL_R15 15
#define NAL_UNIT_BLA_W_LP 16 // BLA = broken link access
#define NAL_UNIT_BLA_W_RADL 17
#define NAL_UNIT_BLA_N_LP 18
#define NAL_UNIT_IDR_W_RADL 19
#define NAL_UNIT_IDR_N_LP 20
#define NAL_UNIT_CRA_NUT 21 // CRA = clean random access
#define NAL_UNIT_RESERVED_IRAP_VCL22 22
#define NAL_UNIT_RESERVED_IRAP_VCL23 23
#define NAL_UNIT_RESERVED_VCL24 24
#define NAL_UNIT_RESERVED_VCL25 25
#define NAL_UNIT_RESERVED_VCL26 26
#define NAL_UNIT_RESERVED_VCL27 27
#define NAL_UNIT_RESERVED_VCL28 28
#define NAL_UNIT_RESERVED_VCL29 29
#define NAL_UNIT_RESERVED_VCL30 30
#define NAL_UNIT_RESERVED_VCL31 31
#define NAL_UNIT_VPS_NUT 32
#define NAL_UNIT_SPS_NUT 33
#define NAL_UNIT_PPS_NUT 34
#define NAL_UNIT_AUD_NUT 35
#define NAL_UNIT_EOS_NUT 36
#define NAL_UNIT_EOB_NUT 37
#define NAL_UNIT_FD_NUT 38
#define NAL_UNIT_PREFIX_SEI_NUT 39
#define NAL_UNIT_SUFFIX_SEI_NUT 40
#define NAL_UNIT_RESERVED_NVCL41 41
#define NAL_UNIT_RESERVED_NVCL42 42
#define NAL_UNIT_RESERVED_NVCL43 43
#define NAL_UNIT_RESERVED_NVCL44 44
#define NAL_UNIT_RESERVED_NVCL45 45
#define NAL_UNIT_RESERVED_NVCL46 46
#define NAL_UNIT_RESERVED_NVCL47 47
#define NAL_UNIT_UNDEFINED 255
void nal_read_header(bitreader* reader, nal_header*);
bool isIDR(uint8_t unit_type);
bool isBLA(uint8_t unit_type);
bool isCRA(uint8_t unit_type);
bool isRAP(uint8_t unit_type);
bool isRASL(uint8_t unit_type);
bool isIRAP(uint8_t unit_type);
bool isRADL(uint8_t unit_type);
bool isReferenceNALU(uint8_t unit_type);
const char* get_NAL_name(uint8_t unit_type);
#endif