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339 lines
12 KiB
339 lines
12 KiB
/*****************************************************************************
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* h265.h: ITU-T H.265 (video)
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*****************************************************************************
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* Copyright (C) 2016 VideoLAN
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*
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* Authors: Christophe Massiot <massiot@via.ecp.fr>
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject
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* to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*****************************************************************************/
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/*
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* Normative references:
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* - ITU-T H.265 (high efficiency video coding)
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*/
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#ifndef __BITSTREAM_ITU_H265_H__
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#define __BITSTREAM_ITU_H265_H__
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#include <stdint.h> /* uint8_t, uint16_t, etc... */
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#include <stdbool.h> /* bool */
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#include <string.h> /* memset */
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/*****************************************************************************
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* H265 network abstraction layer (annex B)
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*****************************************************************************/
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#define H265NAL_TYPE_TRAIL_N 0 /* Trailing */
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#define H265NAL_TYPE_TRAIL_R 1 /* Trailing Reference */
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#define H265NAL_TYPE_TSA_N 2 /* Temporal Sublayer Access */
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#define H265NAL_TYPE_TSA_R 3 /* Temporal Sublayer Access Reference */
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#define H265NAL_TYPE_STSA_N 4 /* Stepwise Temporal Sublayer Access */
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#define H265NAL_TYPE_STSA_R 5 /* Stepwise Temporal Sublayer Access Reference */
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#define H265NAL_TYPE_RADL_N 6 /* Random Access Decodable Leading (display order) */
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#define H265NAL_TYPE_RADL_R 7 /* Random Access Decodable Leading (display order) Reference */
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#define H265NAL_TYPE_RASL_N 8 /* Random Access Skipped Leading (display order) */
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#define H265NAL_TYPE_RASL_R 9 /* Random Access Skipped Leading (display order) Reference */
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/* 10 to 15 reserved */
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#define H265NAL_TYPE_RSV_VCL_N10 10
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#define H265NAL_TYPE_RSV_VCL_N12 12
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#define H265NAL_TYPE_RSV_VCL_N14 14
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/* Key frames */
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#define H265NAL_TYPE_BLA_W_LP 16 /* Broken Link Access with Associated RASL */
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#define H265NAL_TYPE_BLA_W_RADL 17 /* Broken Link Access with Associated RADL */
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#define H265NAL_TYPE_BLA_N_LP 18 /* Broken Link Access */
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#define H265NAL_TYPE_IDR_W_RADL 19 /* Instantaneous Decoder Refresh with Associated RADL */
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#define H265NAL_TYPE_IDR_N_LP 20 /* Instantaneous Decoder Refresh */
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#define H265NAL_TYPE_CRA 21 /* Clean Random Access */
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/* 22 to 31 reserved */
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#define H265NAL_TYPE_IRAP_VCL22 22 /* Intra Random Access Point */
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#define H265NAL_TYPE_IRAP_VCL23 23
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/* Non VCL NAL*/
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#define H265NAL_TYPE_VPS 32
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#define H265NAL_TYPE_SPS 33
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#define H265NAL_TYPE_PPS 34
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#define H265NAL_TYPE_AUD 35 /* Access unit delimiter */
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#define H265NAL_TYPE_EOS 36 /* End of sequence */
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#define H265NAL_TYPE_EOB 37 /* End of bitstream */
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#define H265NAL_TYPE_FD 38 /* Filler data*/
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#define H265NAL_TYPE_PREF_SEI 39 /* Prefix SEI */
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#define H265NAL_TYPE_SUFF_SEI 40 /* Suffix SEI */
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/* 41 to 47 reserved */
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#define H265NAL_TYPE_RSV_NVCL41 41 /* Reserved Non VCL */
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#define H265NAL_TYPE_RSV_NVCL44 44
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#define H265NAL_TYPE_RSV_NVCL45 45
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#define H265NAL_TYPE_RSV_NVCL47 47
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#define H265NAL_TYPE_UNSPEC48 48 /* Unspecified (custom) */
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#define H265NAL_TYPE_UNSPEC55 55
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#define H265NAL_TYPE_UNSPEC56 56
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#define H265NAL_TYPE_UNSPEC63 63
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static inline void h265nal_init(uint8_t *p_h265nal)
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{
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p_h265nal[0] = 0x0;
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p_h265nal[1] = 0x0;
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p_h265nal[2] = 0x1;
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p_h265nal[3] = 0;
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p_h265nal[4] = 0;
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}
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static inline void h265nal_set_type(uint8_t *p_h265nal, uint8_t i_type)
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{
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p_h265nal[3] &= ~0x7e;
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p_h265nal[3] |= (i_type << 1) & 0x7e;
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}
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static inline uint8_t h265nal_get_type(const uint8_t *p_h265nal)
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{
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return (p_h265nal[3] & 0x7e) >> 1;
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}
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static inline void h265nal_set_layerid(uint8_t *p_h265nal, uint8_t i_layerid)
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{
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p_h265nal[3] &= ~0x1;
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p_h265nal[4] &= ~0xf8;
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p_h265nal[3] |= (i_layerid >> 5) & 0x1;
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p_h265nal[4] |= (i_layerid << 3) & 0xf8;
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}
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static inline uint8_t h265nal_get_layerid(const uint8_t *p_h265nal)
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{
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return ((p_h265nal[3] & 0x1) << 5) | ((p_h265nal[4] & 0xf8) >> 3);
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}
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static inline void h265nal_set_temporalid1(uint8_t *p_h265nal, uint8_t i_temporalid1)
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{
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p_h265nal[4] &= ~0x7;
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p_h265nal[4] |= i_temporalid1 & 0x7;
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}
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static inline uint8_t h265nal_get_temporalid1(const uint8_t *p_h265nal)
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{
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return p_h265nal[4] & 0x7;
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}
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static inline uint8_t h265nalst_get_type(uint8_t start)
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{
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return (start & 0x7e) >> 1;
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}
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/*****************************************************************************
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* H265 supplemental enhancement information
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*****************************************************************************/
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#define H265SEI_HEADER_SIZE 5
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#define H265SEI_BUFFERING_PERIOD 0
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#define H265SEI_PIC_TIMING 1
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#define H265SEI_PAN_SCAN_RECT 2
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#define H265SEI_FILLER_PAYLOAD 3
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#define H265SEI_USER_T_T35 4
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#define H265SEI_USER_UNREGISTERED 5
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#define H265SEI_RECOVERY_POINT 6
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#define H265SEI_SCENE_INFO 9
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#define H265SEI_FULL_FRAME_SNAP 15
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#define H265SEI_PROG_REF_SEGMENT_S 16
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#define H265SEI_PROG_REF_SEGMENT_E 17
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#define H265SEI_FILM_GRAIN_CHAR 19
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#define H265SEI_POST_FILTER_HINT 22
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#define H265SEI_TONE_MAPPING_INFO 23
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#define H265SEI_FRAME_PACK_ARRANG 45
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#define H265SEI_DISPLAY_ORIENTATION 47
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#define H265SEI_STRUCT_PICT_INFO 128
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#define H265SEI_ACTIVE_PS 129
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#define H265SEI_DEC_UNIT_INFO 130
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#define H265SEI_TEMP_SUBL_ZERO_IDX 131
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#define H265SEI_DEC_PICTURE_HASH 132
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#define H265SEI_SCALABLE_NESTING 133
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#define H265SEI_REGION_REFRESH_INFO 134
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#define H265SEI_STRUCT_FRAME 0
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#define H265SEI_STRUCT_TOP 1
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#define H265SEI_STRUCT_BOT 2
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#define H265SEI_STRUCT_TOP_BOT 3
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#define H265SEI_STRUCT_BOT_TOP 4
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#define H265SEI_STRUCT_TOP_BOT_TOP 5
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#define H265SEI_STRUCT_BOT_TOP_BOT 6
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#define H265SEI_STRUCT_DOUBLE 7
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#define H265SEI_STRUCT_TRIPLE 8
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#define H265SEI_STRUCT_TOP_PREV_BOT 9
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#define H265SEI_STRUCT_BOT_PREV_TOP 10
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#define H265SEI_STRUCT_TOP_NEXT_BOT 11
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#define H265SEI_STRUCT_BOT_NEXT_TOP 12
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static inline void h265sei_init(uint8_t *p_h265sei, bool b_prefix)
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{
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h265nal_init(p_h265sei);
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h265nal_set_type(p_h265sei,
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b_prefix ? H265NAL_TYPE_PREF_SEI : H265NAL_TYPE_SUFF_SEI);
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}
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/*****************************************************************************
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* H265 profile tier level
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*****************************************************************************/
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#define H265PTL_HEADER_SIZE 12
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#define H265PTL_PROFILE_SIZE 11
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/*****************************************************************************
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* H265 video parameter set
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*****************************************************************************/
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#define H265VPS_HEADER_SIZE 9
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#define H265VPS_ID_MAX 16
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#define H265VPS_LEVEL_1_0 30
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#define H265VPS_LEVEL_2_0 60
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#define H265VPS_LEVEL_2_1 63
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#define H265VPS_LEVEL_3_0 90
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#define H265VPS_LEVEL_3_1 93
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#define H265VPS_LEVEL_4_0 120
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#define H265VPS_LEVEL_4_1 123
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#define H265VPS_LEVEL_5_0 150
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#define H265VPS_LEVEL_5_1 153
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#define H265VPS_LEVEL_5_2 156
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#define H265VPS_LEVEL_6_0 180
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#define H265VPS_LEVEL_6_1 183
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#define H265VPS_LEVEL_6_2 186
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static inline void h265vps_init(uint8_t *p_h265vps)
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{
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h265nal_init(p_h265vps);
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h265nal_set_type(p_h265vps, H265NAL_TYPE_VPS);
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p_h265vps[5] = 0x6;
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}
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static inline void h265vps_set_vps_id(uint8_t *p_h265vps, uint8_t i_vps_id)
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{
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p_h265vps[5] &= ~0xf0;
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p_h265vps[5] |= (i_vps_id << 4) & 0xf0;
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}
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static inline uint8_t h265vps_get_vps_id(const uint8_t *p_h265vps)
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{
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return (p_h265vps[5] & 0xf0) >> 4;
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}
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/*****************************************************************************
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* H265 sequence parameter set
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*****************************************************************************/
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#define H265SPS_HEADER_SIZE 6
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#define H265SPS_ID_MAX 16
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#define H265SPS_CHROMA_MONO 0
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#define H265SPS_CHROMA_420 1
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#define H265SPS_CHROMA_422 2
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#define H265SPS_CHROMA_444 3
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static inline void h265sps_init(uint8_t *p_h265sps)
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{
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h265nal_init(p_h265sps);
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h265nal_set_type(p_h265sps, H265NAL_TYPE_SPS);
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p_h265sps[5] = 0x0;
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}
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static inline void h265sps_set_vps_id(uint8_t *p_h265sps, uint8_t i_vps_id)
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{
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p_h265sps[5] &= ~0xf0;
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p_h265sps[5] |= (i_vps_id << 4) & 0xf0;
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}
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static inline uint8_t h265sps_get_vps_id(const uint8_t *p_h265sps)
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{
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return (p_h265sps[5] & 0xf0) >> 4;
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}
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/*****************************************************************************
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* H265 picture parameter set
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*****************************************************************************/
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#define H265PPS_HEADER_SIZE 5
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#define H265PPS_ID_MAX 64
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static inline void h265pps_init(uint8_t *p_h265pps)
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{
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h265nal_init(p_h265pps);
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h265nal_set_type(p_h265pps, H265NAL_TYPE_PPS);
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}
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/*****************************************************************************
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* H265 access unit delimiter
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*****************************************************************************/
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#define H265AUD_HEADER_SIZE 6
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static inline void h265aud_init(uint8_t *p_h265aud)
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{
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h265nal_init(p_h265aud);
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h265nal_set_type(p_h265aud, H265NAL_TYPE_AUD);
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p_h265aud[5] = 0x10;
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}
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static inline void h265aud_set_pic_type(uint8_t *p_h265aud, uint8_t i_type)
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{
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p_h265aud[5] = i_type << 5;
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}
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static inline uint8_t h265aud_get_pic_type(const uint8_t *p_h265aud)
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{
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return p_h265aud[5] >> 5;
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}
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/*****************************************************************************
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* H265 end sequence
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*****************************************************************************/
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#define H265EOS_HEADER_SIZE 5
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static inline void h265eos_init(uint8_t *p_h265eos)
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{
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h265nal_init(p_h265eos);
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h265nal_set_type(p_h265eos, H265NAL_TYPE_EOS);
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}
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/*****************************************************************************
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* H265 end bitstream
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*****************************************************************************/
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#define H265EOB_HEADER_SIZE 5
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static inline void h265eob_init(uint8_t *p_h265eob)
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{
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h265nal_init(p_h265eob);
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h265nal_set_type(p_h265eob, H265NAL_TYPE_EOB);
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}
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/*****************************************************************************
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* H265 video usability information
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*****************************************************************************/
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#define H265VUI_AR_EXTENDED 255
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/*****************************************************************************
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* H265 slices
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*****************************************************************************/
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#define H265SLI_TYPE_B 0
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#define H265SLI_TYPE_P 1
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#define H265SLI_TYPE_I 2
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#ifdef __cplusplus
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}
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#endif
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#endif
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