#ifndef _SPSPARSER_H_ #define _SPSPARSER_H_ #if defined (__cplusplus) extern "C" { #endif #define QP_MAX_NUM (51 + 6*6) // The maximum supported qp #define HEVC_MAX_SHORT_TERM_RPS_COUNT 64 #define T_PROFILE_HEVC_MAIN 1 #define T_PROFILE_HEVC_MAIN_10 2 #define T_PROFILE_HEVC_MAIN_STILL_PICTURE 3 #define T_PROFILE_HEVC_REXT 4 /** * Chromaticity coordinates of the source primaries. */ enum T_AVColorPrimaries { AVCOL_PRI_RESERVED0 = 0, AVCOL_PRI_BT709 = 1, ///< also ITU-R BT1361 / IEC 61966-2-4 / SMPTE RP177 Annex B AVCOL_PRI_UNSPECIFIED = 2, AVCOL_PRI_RESERVED = 3, AVCOL_PRI_BT470M = 4, ///< also FCC Title 47 Code of Federal Regulations 73.682 (a)(20) AVCOL_PRI_BT470BG = 5, ///< also ITU-R BT601-6 625 / ITU-R BT1358 625 / ITU-R BT1700 625 PAL & SECAM AVCOL_PRI_SMPTE170M = 6, ///< also ITU-R BT601-6 525 / ITU-R BT1358 525 / ITU-R BT1700 NTSC AVCOL_PRI_SMPTE240M = 7, ///< functionally identical to above AVCOL_PRI_FILM = 8, ///< colour filters using Illuminant C AVCOL_PRI_BT2020 = 9, ///< ITU-R BT2020 AVCOL_PRI_NB, ///< Not part of ABI }; /** * Color Transfer Characteristic. */ enum T_AVColorTransferCharacteristic { AVCOL_TRC_RESERVED0 = 0, AVCOL_TRC_BT709 = 1, ///< also ITU-R BT1361 AVCOL_TRC_UNSPECIFIED = 2, AVCOL_TRC_RESERVED = 3, AVCOL_TRC_GAMMA22 = 4, ///< also ITU-R BT470M / ITU-R BT1700 625 PAL & SECAM AVCOL_TRC_GAMMA28 = 5, ///< also ITU-R BT470BG AVCOL_TRC_SMPTE170M = 6, ///< also ITU-R BT601-6 525 or 625 / ITU-R BT1358 525 or 625 / ITU-R BT1700 NTSC AVCOL_TRC_SMPTE240M = 7, AVCOL_TRC_LINEAR = 8, ///< "Linear transfer characteristics" AVCOL_TRC_LOG = 9, ///< "Logarithmic transfer characteristic (100:1 range)" AVCOL_TRC_LOG_SQRT = 10, ///< "Logarithmic transfer characteristic (100 * Sqrt(10) : 1 range)" AVCOL_TRC_IEC61966_2_4 = 11, ///< IEC 61966-2-4 AVCOL_TRC_BT1361_ECG = 12, ///< ITU-R BT1361 Extended Colour Gamut AVCOL_TRC_IEC61966_2_1 = 13, ///< IEC 61966-2-1 (sRGB or sYCC) AVCOL_TRC_BT2020_10 = 14, ///< ITU-R BT2020 for 10 bit system AVCOL_TRC_BT2020_12 = 15, ///< ITU-R BT2020 for 12 bit system AVCOL_TRC_NB, ///< Not part of ABI }; /** * YUV tColorspace type. */ enum T_AVColorSpace { AVCOL_SPC_RGB = 0, ///< order of coefficients is actually GBR, also IEC 61966-2-1 (sRGB) AVCOL_SPC_BT709 = 1, ///< also ITU-R BT1361 / IEC 61966-2-4 xvYCC709 / SMPTE RP177 Annex B AVCOL_SPC_UNSPECIFIED = 2, AVCOL_SPC_RESERVED = 3, AVCOL_SPC_FCC = 4, ///< FCC Title 47 Code of Federal Regulations 73.682 (a)(20) AVCOL_SPC_BT470BG = 5, ///< also ITU-R BT601-6 625 / ITU-R BT1358 625 / ITU-R BT1700 625 PAL & SECAM / IEC 61966-2-4 xvYCC601 AVCOL_SPC_SMPTE170M = 6, ///< also ITU-R BT601-6 525 / ITU-R BT1358 525 / ITU-R BT1700 NTSC / functionally identical to above AVCOL_SPC_SMPTE240M = 7, AVCOL_SPC_YCOCG = 8, ///< Used by Dirac / VC-2 and H.264 FRext, see ITU-T SG16 AVCOL_SPC_BT2020_NCL = 9, ///< ITU-R BT2020 non-constant luminance system AVCOL_SPC_BT2020_CL = 10, ///< ITU-R BT2020 constant luminance system AVCOL_SPC_NB, ///< Not part of ABI }; enum { // 7.4.3.1: vps_max_layers_minus1 is in [0, 62]. HEVC_MAX_LAYERS = 63, // 7.4.3.1: vps_max_sub_layers_minus1 is in [0, 6]. HEVC_MAX_SUB_LAYERS = 7, // 7.4.3.1: vps_num_layer_sets_minus1 is in [0, 1023]. HEVC_MAX_LAYER_SETS = 1024, // 7.4.2.1: vps_video_parameter_set_id is u(4). HEVC_MAX_VPS_COUNT = 16, // 7.4.3.2.1: sps_seq_parameter_set_id is in [0, 15]. HEVC_MAX_SPS_COUNT = 16, // 7.4.3.3.1: pps_pic_parameter_set_id is in [0, 63]. HEVC_MAX_PPS_COUNT = 64, // A.4.2: MaxDpbSize is bounded above by 16. HEVC_MAX_DPB_SIZE = 16, // 7.4.3.1: vps_max_dec_pic_buffering_minus1[i] is in [0, MaxDpbSize - 1]. HEVC_MAX_REFS = HEVC_MAX_DPB_SIZE, // 7.4.3.2.1: num_short_term_ref_pic_sets is in [0, 64]. HEVC_MAX_SHORT_TERM_REF_PIC_SETS = 64, // 7.4.3.2.1: num_long_term_ref_pics_sps is in [0, 32]. HEVC_MAX_LONG_TERM_REF_PICS = 32, // A.3: all profiles require that CtbLog2SizeY is in [4, 6]. HEVC_MIN_LOG2_CTB_SIZE = 4, HEVC_MAX_LOG2_CTB_SIZE = 6, // E.3.2: cpb_cnt_minus1[i] is in [0, 31]. HEVC_MAX_CPB_CNT = 32, // A.4.1: in table A.6 the highest level allows a MaxLumaPs of 35 651 584. HEVC_MAX_LUMA_PS = 35651584, // A.4.1: pic_width_in_luma_samples and pic_height_in_luma_samples are // constrained to be not greater than sqrt(MaxLumaPs * 8). Hence height/ // width are bounded above by sqrt(8 * 35651584) = 16888.2 samples. HEVC_MAX_WIDTH = 16888, HEVC_MAX_HEIGHT = 16888, // A.4.1: table A.6 allows at most 22 tile rows for any level. HEVC_MAX_TILE_ROWS = 22, // A.4.1: table A.6 allows at most 20 tile columns for any level. HEVC_MAX_TILE_COLUMNS = 20, // 7.4.7.1: in the worst case (tiles_enabled_flag and // entropy_coding_sync_enabled_flag are both set), entry points can be // placed at the beginning of every Ctb row in every tile, giving an // upper bound of (num_tile_columns_minus1 + 1) * PicHeightInCtbsY - 1. // Only a stream with very high resolution and perverse parameters could // get near that, though, so set a lower limit here with the maximum // possible value for 4K video (at most 135 16x16 Ctb rows). HEVC_MAX_ENTRY_POINT_OFFSETS = HEVC_MAX_TILE_COLUMNS * 135, }; /** * rational number numerator/denominator */ typedef struct T_AVRational{ int num; ///< numerator int den; ///< denominator } T_AVRational; /*** * Sequence parameter set * ¿É²Î¿¼H264±ê×¼µÚ7½ÚºÍ¸½Â¼D E */ #define Extended_SAR 255 /** * Sequence parameter set */ typedef struct T_SPS { unsigned int uiSpsId; int iProfileIdc; int iLevelIdc; int iChromaFormatIdc; int iTransformBypass; ///< qpprime_y_zero_transform_bypass_flag int iLog2MaxFrameNum; ///< log2_max_frame_num_minus4 + 4 int iPocType; ///< pic_order_cnt_type int iLog2MaxPocLsb; ///< log2_max_pic_order_cnt_lsb_minus4 int iDeltaPicOrderAlwaysZeroFlag; int iOffsetForNonRefPic; int iOffsetForTopToBottomField; int iPocCycleLength; ///< num_ref_frames_in_pic_order_cnt_cycle int iRefFrameCount; ///< num_ref_frames int iGapsInFrameNumAllowedFlag; int iMbWidth; ///< pic_width_in_mbs_minus1 + 1 int iMbHeight; ///< pic_height_in_map_units_minus1 + 1 int iFrameMbsOnlyFlag; int iMbAff; ///< mb_adaptive_frame_field_flag int iDirect8x8InferenceFlag; int iCrop; ///< frame_cropping_flag /* those 4 are already in luma samples */ unsigned int uiCropLeft; ///< frame_cropping_rect_left_offset unsigned int uiCropRight; ///< frame_cropping_rect_right_offset unsigned int uiCropTop; ///< frame_cropping_rect_top_offset unsigned int uiCropBottom; ///< frame_cropping_rect_bottom_offset int iVuiParametersPresentFlag; T_AVRational tSar; int iVideoSignalTypePresentFlag; int iFullRange; int iColourDescriptionPresentFlag; enum T_AVColorPrimaries tColorPrimaries; enum T_AVColorTransferCharacteristic tColorTrc; enum T_AVColorSpace tColorspace; int iTimingInfoPresentFlag; uint32_t u32NumUnitsInTick; uint32_t u32TimeScale; int iFixedFrameRateFlag; short asOffsetForRefFrame[256]; // FIXME dyn aloc? int iBitstreamRestrictionFlag; int iNumReorderFrames; int iScalingMatrixPresent; uint8_t aau8ScalingMatrix4[6][16]; uint8_t aau8ScalingMatrix8[6][64]; int iNalHrdParametersPresentFlag; int iVclHrdParametersPresentFlag; int iPicStructPresentFlag; int iTimeOffsetLength; int iCpbCnt; ///< See H.264 E.1.2 int iInitialCpbRemovalDelayLength; ///< initial_cpb_removal_delay_length_minus1 + 1 int iCpbRemovalDelayLength; ///< cpb_removal_delay_length_minus1 + 1 int iDpbOutputDelayLength; ///< dpb_output_delay_length_minus1 + 1 int iBitDepthLuma; ///< bit_depth_luma_minus8 + 8 int iBitDepthChroma; ///< bit_depth_chroma_minus8 + 8 int iResidualColorTransformFlag; ///< residual_colour_transform_flag int iConstraintSetFlags; ///< constraint_set[0-3]_flag int iNew; ///< flag to keep track if the decoder context needs re-init due to changed SPS } T_SPS; /** * Picture parameter set */ typedef struct T_PPS { unsigned int uiSpsId; int iCabac; ///< entropy_coding_mode_flag int iPicOrderPresent; ///< pic_order_present_flag int iSliceGroupCount; ///< num_slice_groups_minus1 + 1 int iMbSliceGroupMapType; unsigned int auiRefCount[2]; ///< num_ref_idx_l0/1_active_minus1 + 1 int iWeightedPred; ///< weighted_pred_flag int iWeightedBipredIdc; int iInitQp; ///< pic_init_qp_minus26 + 26 int iInitQs; ///< pic_init_qs_minus26 + 26 int aiChromaQpIndexOffset[2]; int iDeblockingFilterParametersPresent; ///< deblocking_filter_parameters_present_flag int iConstrainedIntraPred; ///< constrained_intra_pred_flag int iRedundantPicCntPresent; ///< redundant_pic_cnt_present_flag int iTransform8x8Mode; ///< transform_8x8_mode_flag uint8_t aau8ScalingMatrix4[6][16]; uint8_t aau8ScalingMatrix8[6][64]; uint8_t u8ChromaQpTable[2][QP_MAX_NUM+1]; ///< pre-scaled (with aiChromaQpIndexOffset) version of qp_table int iChromaQpDiff; } T_PPS; typedef struct T_HEVCWindow { unsigned int uiLeftOffset; unsigned int uiRightOffset; unsigned int uiTopOffset; unsigned int uiBottomOffset; } T_HEVCWindow; typedef struct T_VUI { T_AVRational tSar; int iOverscanInfoPresentFlag; int iOverscanAppropriateFlag; int iVideoSignalTypePresentFlag; int iVideoFormat; int iVideoFullRangeFlag; int iColourDescriptionPresentFlag; uint8_t u8ColourPrimaries; uint8_t u8TransferCharacteristic; uint8_t u8MatrixCoeffs; int iChromaLocInfoPresentFlag; int iChromaSampleLocTypeTopField; int iChromaSampleLocTypeBottomField; int iNeutraChromaIndicationFlag; int iFieldSeqFlag; int iFrameFieldInfoPresentFlag; int iDefaultDisplayWindowFlag; T_HEVCWindow tDefDispWin; int iVuiTimingInfoPresentFlag; uint32_t u32VuiNumUnitsInTick; uint32_t u32VuiTimeScale; int iVuiPocProportionalToTimingFlag; int iVuiNumTicksPocDiffOneMinus1; int iVuiHrdParametersPresentFlag; int iBitstreamRestrictionFlag; int iTilesFixedStructureFlag; int iMotionVectorsOverPicBoundariesFlag; int iRestrictedRefPicListsFlag; int iMinSpatialSegmentationIdc; int iMaxBytesPerPicDenom; int iMaxBitsPerMinCuDenom; int iLog2MaxMvLengthHorizontal; int iLog2MaxMvLengthVertical; } T_VUI; typedef struct T_PTLCommon { uint8_t u8ProfileSpace; uint8_t u8TierFlag; uint8_t u8ProfileIdc; uint8_t au8ProfileCompatibilityFlag[32]; uint8_t u8LevelIdc; uint8_t u8ProgressiveSourceFlag; uint8_t u8InterlacedSourceFlag; uint8_t u8NonPackedConstraintFlag; uint8_t u8FrameOnlyConstraintFlag; } T_PTLCommon; typedef struct T_PTL { T_PTLCommon tGeneralPtl; T_PTLCommon atSubLayerPtl[HEVC_MAX_SUB_LAYERS]; uint8_t au8SubLayerProfilePresentFlag[HEVC_MAX_SUB_LAYERS]; uint8_t au8SubLayerLevelPresentFlag[HEVC_MAX_SUB_LAYERS]; } T_PTL; typedef struct T_ScalingList { /* This is a little wasteful, since sizeID 0 only needs 8 coeffs, * and size ID 3 only has 2 arrays, not 6. */ uint8_t aaau8Sl[4][6][64]; uint8_t aau8SlDc[2][6]; } T_ScalingList; typedef struct T_ShortTermRPS { unsigned int uiNumNegativePics; int iNumDeltaPocs; int iRpsIdxNumDeltaPocs; int32_t au32DeltaPoc[32]; uint8_t au8Used[32]; } T_ShortTermRPS; typedef struct T_HEVCVPS { uint8_t u8VpsTemporalIdNestingFlag; int iVpsMaxLayers; int iVpsMaxSubLayers; ///< vps_max_temporal_layers_minus1 + 1 T_PTL tPtl; int iVpsSubLayerOrderingInfoPresentFlag; unsigned int uiVpsMaxDecPicBuffering[HEVC_MAX_SUB_LAYERS]; unsigned int auiVpsNumReorderPics[HEVC_MAX_SUB_LAYERS]; unsigned int auiVpsMaxLatencyIncrease[HEVC_MAX_SUB_LAYERS]; int iVpsMaxLayerId; int iVpsNumLayerSets; ///< vps_num_layer_sets_minus1 + 1 uint8_t u8VpsTimingInfoPresentFlag; uint32_t u32VpsNumUnitsInTick; uint32_t u32VpsTimeScale; uint8_t u8VpsPocProportionalToTimingFlag; int iVpsNumTicksPocDiffOne; ///< vps_num_ticks_poc_diff_one_minus1 + 1 int iVpsNumHrdParameters; } T_HEVCVPS; typedef struct T_HEVCSPS { unsigned int uiVpsId; int iChromaFormatIdc; uint8_t u8SeparateColourPlaneFlag; ///< output (i.e. cropped) values int iIutputWidth, iOutputHeight; T_HEVCWindow tOutputWindow; T_HEVCWindow tPicConfWin; int iBitDepth; int iBitDepthChroma; int iPixelShift; unsigned int uiLog2MaxPocLsb; int iPcmEnabledFlag; int iMaxSubLayers; struct { int iMaxDecPicBuffering; int iNumReorderPics; int iMaxLatencyIncrease; } stTemporalLayer[HEVC_MAX_SUB_LAYERS]; uint8_t u8temporalIdNestingFlag; T_VUI tVui; T_PTL tPtl; uint8_t u8ScalingListEnableFlag; T_ScalingList tScalingList; unsigned int uiNbStRps; T_ShortTermRPS atStRps[HEVC_MAX_SHORT_TERM_RPS_COUNT]; uint8_t u8AmpEnabledFlag; uint8_t u8SaoEnabled; uint8_t u8LongTermRefPicsPresentFlag; uint16_t au16LtRefPicPocLsbSps[32]; uint8_t au8UsedByCurrPicLtSpsFlag[32]; uint8_t u8NumLongTermRefPicsSps; struct { uint8_t u8BitDepth; uint8_t u8BitDepthChroma; unsigned int uiLog2MinPcmCbSize; unsigned int uiLog2MaxPcmCbSize; uint8_t u8LoopFilterDisableFlag; } pcm; uint8_t u8SpsTemporalMvpEnabledFlag; uint8_t u8SpsStrongIntraMmoothingEnableFlag; unsigned int uiLog2MinCbSize; unsigned int uiLog2DiffMaxMinCodingBlockSize; unsigned int uiLog2MinTbSize; unsigned int uiLog2MaxTrafoSize; unsigned int uiLog2CtbSize; unsigned int uiLog2MinPuSize; int iMaxTransformHierarchyDepthInter; int iMaxTransformHierarchyDepthIntra; int iTransformSkipRotationEnabledFlag; int iTransformSkipContextEnabledFlag; int iImplicitRdpcmEnabledFlag; int iExplicitRdpcmEnabledFlag; int iIntraSmoothingDisabledFlag; int iHighPrecisionOffsetsEnabledFlag; int iPersistentRiceAdaptationEnabledFlag; ///< coded frame dimension in various units int iWidth; int iHeight; int iCtbWidth; int iCtbHeight; int iCtbSize; int iMinCbWidth; int iMinCbHeight; int iMinTbWidth; int iMinTbHeight; int iMinPuWidth; int iMinPuHeight; int iTbMask; int aiHshift[3]; int aiVshift[3]; int iQpBdOffset; int iVuiPresent; }T_HEVCSPS; typedef struct T_GetBitContext{ uint8_t *pu8Buf; /*Ö¸ÏòSPS start*/ int iBufSize; /*SPS ³¤¶È*/ int iBitPos; /*bitÒѶÁȡλÖÃ*/ int iTotalBit; /*bit×ܳ¤¶È*/ int iCurBitPos; /*µ±Ç°¶ÁȡλÖÃ*/ }T_GetBitContext; int h264DecSeqParameterSet(void *pvBuf, T_SPS *ptSps); int h265DecSeqParameterSet( void *pvBufSrc, T_HEVCSPS *ptSps ); int h265DecVideoParameterSet( void *pvBufSrc, T_HEVCVPS *ptVps ); void h264GetWidthHeight(T_SPS *ptSps, int *piWidth, int *piHeight); void h265GetWidthHeight(T_HEVCSPS *ptSps, int *piWidth, int *piHeight); void h264GeFramerate(T_SPS *ptSps, float *pfFramerate); void h265GeFramerate(T_HEVCVPS *ptVps, T_HEVCSPS *ptSps,float *pfFramerate); #if defined (__cplusplus) } #endif #endif //_SPS_PPS_H_