mirror of
https://github.com/jpd002/Play-.git
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156 lines
2.8 KiB
C
156 lines
2.8 KiB
C
#ifndef _MPEGVIDEOSTATE_H_
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#define _MPEGVIDEOSTATE_H_
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#include "Types.h"
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enum PICTURE_TYPE
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{
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PICTURE_TYPE_I = 1,
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PICTURE_TYPE_P = 2,
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PICTURE_TYPE_B = 3,
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};
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enum CHROMA420_TYPE
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{
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CHROMA_INVALID = 0,
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CHROMA_420 = 1,
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CHROMA_422 = 2,
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CHROMA_444 = 3,
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};
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enum MACROBLOCK_MODES
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{
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MACROBLOCK_MODE_INTRA = 0x01,
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MACROBLOCK_MODE_BLOCK_PATTERN = 0x02,
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MACROBLOCK_MODE_MOTION_BACKWARD = 0x04,
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MACROBLOCK_MODE_MOTION_FORWARD = 0x08,
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MACROBLOCK_MODE_QUANT = 0x10,
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};
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enum MOTION_TYPES
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{
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MOTION_FIELD = 1,
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MOTION_FRAME = 2,
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MOTION_DMV = 3,
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};
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struct PICTURE_HEADER
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{
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uint16 temporalReference;
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uint8 pictureCodingType;
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uint16 vbvDelay;
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uint32 number;
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uint8 pelForwardVector;
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uint8 forwardFCode;
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uint8 pelBackwardVector;
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uint8 backwardFCode;
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};
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struct PICTURE_CODING_EXTENSION
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{
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uint8 fcode00;
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uint8 fcode01;
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uint8 fcode10;
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uint8 fcode11;
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uint8 intraDcPrecision;
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uint8 pictureStructure;
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uint8 topFieldFirst;
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uint8 framePredFrameDct;
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uint8 concealmentMotionVectors;
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uint8 quantizerScaleType;
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uint8 intraVlcFormat;
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uint8 alternateScan;
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uint8 repeatFirstField;
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uint8 chroma420Type;
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uint8 progressiveFrame;
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uint8 compositeDisplayFlag;
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uint8 vaxis;
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uint8 fieldSequence;
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uint8 subCarrier;
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uint8 burstAmplitude;
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uint8 subCarrierPhase;
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};
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struct SEQUENCE_HEADER
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{
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uint8 isMpeg2;
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uint16 horizontalSize;
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uint16 verticalSize;
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uint8 aspectRatio;
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uint8 frameRate;
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uint32 bitRate;
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uint16 vbvBufferSize;
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uint8 constrainedParameterFlag;
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uint8 loadIntraQuantiserMatrix;
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uint8 loadNonIntraQuantiserMatrix;
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uint8 intraQuantiserMatrix[0x40];
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uint8 nonIntraQuantiserMatrix[0x40];
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uint16 macroblockWidth;
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uint16 macroblockHeight;
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uint32 macroblockMaxAddress;
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};
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struct SEQUENCE_EXTENSION
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{
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uint8 profileAndLevel;
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uint8 progressiveSequence;
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uint8 chromaFormat;
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uint8 horizontalSizeExtension;
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uint8 verticalSizeExtension;
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uint16 bitRateExtension;
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uint8 vbvBufferSizeExtension;
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uint8 lowDelay;
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uint8 frameRateExtensionN;
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uint8 frameRateExtensionD;
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};
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struct GOP_HEADER
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{
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uint32 timeCode;
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uint8 closedGop;
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uint8 brokenLink;
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};
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struct BLOCK_DECODER_STATE
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{
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bool resetDc;
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int16 dcPredictor[3];
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uint8 macroblockType;
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uint32 currentMbAddress;
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uint32 mbIncrement;
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uint8 dctType;
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uint8 quantizerScaleCode;
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uint8 codedBlockPattern;
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int16 dcDifferential;
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uint8 motionVectorCount;
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uint8 motionType;
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int16 forwardMotionVector[2];
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int16 backwardMotionVector[2];
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int16 motionCode[2];
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uint16 motionResidual[2];
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};
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struct MACROBLOCK
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{
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int16 blockY[4][64];
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int16 blockCb[64];
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int16 blockCr[64];
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};
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struct MPEG_VIDEO_STATE
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{
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SEQUENCE_HEADER sequenceHeader;
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SEQUENCE_EXTENSION sequenceExtension;
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GOP_HEADER gopHeader;
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PICTURE_HEADER pictureHeader;
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PICTURE_CODING_EXTENSION pictureCodingExtension;
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BLOCK_DECODER_STATE blockDecoderState;
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MACROBLOCK macroblock;
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};
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#endif
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