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