2006-06-15 04:19:30 +00:00
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#ifndef _IPU_H_
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#define _IPU_H_
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#include "Types.h"
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#include "BitStream.h"
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class CIPU
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{
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public:
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enum REGISTER
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{
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IPU_CMD = 0x10002000,
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IPU_CTRL = 0x10002010,
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IPU_BP = 0x10002020,
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IPU_TOP = 0x10002030,
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IPU_OUT_FIFO = 0x10007000,
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IPU_IN_FIFO = 0x10007010,
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};
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static void Reset();
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static uint32 GetRegister(uint32);
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static void SetRegister(uint32, uint32);
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static uint32 ReceiveDMA(uint32, uint32, bool);
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static void DMASliceDoneCallback();
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private:
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class COUTFIFO
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{
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public:
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COUTFIFO();
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virtual ~COUTFIFO();
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void Write(void*, unsigned int);
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void Flush();
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private:
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void RequestGrow(unsigned int);
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enum GROWSIZE
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{
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GROWSIZE = 0x200,
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};
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unsigned int m_nSize;
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unsigned int m_nAlloc;
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uint8* m_pBuffer;
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};
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class CINFIFO : public Framework::CBitStream
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{
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public:
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CINFIFO();
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virtual ~CINFIFO();
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void Write(void*, unsigned int);
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uint32 GetBits_MSBF(uint8);
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uint32 GetBits_LSBF(uint8);
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uint32 PeekBits_LSBF(uint8);
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uint32 PeekBits_MSBF(uint8);
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void SkipBits(uint8);
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void SeekToByteAlign();
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bool IsOnByteBoundary();
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unsigned int GetBitPosition();
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void SetBitPosition(unsigned int);
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unsigned int GetSize();
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void Reset();
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enum BUFFERSIZE
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{
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BUFFERSIZE = 0xF0,
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};
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private:
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uint8 m_nBuffer[BUFFERSIZE];
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unsigned int m_nSize;
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unsigned int m_nBitPosition;
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};
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static void ExecuteCommand(uint32);
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2006-09-06 00:09:42 +00:00
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static void DecodeIntra(uint8, uint8, uint8, uint8, uint8, uint8);
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2006-06-15 04:19:30 +00:00
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static void DecodeBlock(uint8, uint8, uint8, uint8, uint8);
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static void VariableLengthDecode(uint8, uint8);
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static void FixedLengthDecode(uint8);
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static void LoadIQMatrix(uint8*);
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static void LoadVQCLUT();
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static void ColorSpaceConversion(uint8, uint8, uint16);
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static void SetThresholdValues(uint32);
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static bool IsExecutionRisky(unsigned int);
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static uint32 GetPictureType();
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static uint32 GetDcPrecision();
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static bool GetIsMPEG2();
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static bool GetIsLinearQScale();
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static bool GetIsZigZagScan();
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static bool GetIsMPEG1CoeffVLCTable();
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static void DecodeDctCoefficients(unsigned int, int16*, uint8);
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static void DequantiseBlock(int16*, uint8, uint8);
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static void InverseScan(int16*);
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static int16 GetDcDifferential(unsigned int);
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static void GenerateCbCrMap();
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static void DisassembleGet(uint32);
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static void DisassembleSet(uint32, uint32);
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static void DisassembleCommand(uint32);
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static uint32 m_nPendingCommand;
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static unsigned int m_nCbCrMap[0x100];
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static uint8 m_nIntraIQ[0x40];
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static uint8 m_nNonIntraIQ[0x40];
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static uint16 m_nVQCLUT[0x10];
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static uint16 m_nTH0;
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static uint16 m_nTH1;
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static int16 m_nDcPredictor[3];
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static uint32 m_IPU_CMD[2];
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static uint32 m_IPU_CTRL;
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static COUTFIFO m_OUT_FIFO;
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static CINFIFO m_IN_FIFO;
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};
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#endif
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