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/***************************************************************************** |
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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 |