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ZLMediaKit/ext-codec/SPSParser.h

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#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 {
int pps_pic_parameter_set_id;
int pps_seq_parameter_set_id;
int dependent_slice_segments_enabled_flag;
int output_flag_present_flag;
int num_extra_slice_header_bits;
int sign_data_hiding_enabled_flag;
int cabac_init_present_flag;
int num_ref_idx_l0_default_active_minus1;
int num_ref_idx_l1_default_active_minus1;
int init_qp_minus26;
int constrained_intra_pred_flag;
int transform_skip_enabled_flag;
int cu_qp_delta_enabled_flag;
int diff_cu_qp_delta_depth;
int pps_cb_qp_offset;
int pps_cr_qp_offset;
int pps_slice_chroma_qp_offsets_present_flag;
int weighted_pred_flag;
int weighted_bipred_flag;
int transquant_bypass_enabled_flag;
int tiles_enabled_flag;
int entropy_coding_sync_enabled_flag;
int uniform_spacing_flag;
int loop_filter_across_tiles_enabled_flag;
int pps_loop_filter_across_slices_enabled_flag;
int deblocking_filter_control_present_flag;
int deblocking_filter_override_enabled_flag;
int pps_deblocking_filter_disabled_flag;
int pps_beta_offset_div2;
int pps_tc_offset_div2;
int pps_scaling_list_data_present_flag;
int lists_modification_present_flag;
int log2_parallel_merge_level_minus2;
int slice_segment_header_extension_present_flag;
int pps_extension_present_flag;
int pps_range_extension_flag;
int pps_multilayer_extension_flag;
int pps_3d_extension_flag;
int pps_scc_extension_flag;
int pps_extension_4bits;
// PPS range extension fields
int log2_max_transform_skip_block_size_minus2;
int cross_component_prediction_enabled_flag;
int chroma_qp_offset_list_enabled_flag;
int diff_cu_chroma_qp_offset_depth;
int chroma_qp_offset_list_len_minus1;
int cb_qp_offset_list[6];
int cr_qp_offset_list[6];
int log2_sao_offset_scale_luma;
int log2_sao_offset_scale_chroma;
// 可以根据需要添加更多字段
} T_HEVC_PPS;
typedef struct T_GetBitContext{
uint8_t *pu8Buf; // buf
int iBufSize; // buf size
int iBitPos; // bit position
int iTotalBit; // bit number
int iCurBitPos; // current bit position
}T_GetBitContext;
int h265ParsePps(T_GetBitContext *ptGetBitContext, T_HEVC_PPS *ptPps);
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_
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