/***************************************************************************** * h265.h: ITU-T H.265 (video) ***************************************************************************** * Copyright (C) 2016 VideoLAN * * Authors: Christophe Massiot * * 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 /* uint8_t, uint16_t, etc... */ #include /* bool */ #include /* 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