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https://github.com/libretro/Play-.git
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git-svn-id: http://svn.purei.org/purei/trunk@92 b36208d7-6611-0410-8bec-b1987f11c4a2
This commit is contained in:
jpd002
parent
c5fd38a6be
commit
a37220734b
137
Source/IPU.cpp
137
Source/IPU.cpp
@ -1,4 +1,5 @@
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#include <stdio.h>
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#include <exception>
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#include "IPU.h"
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#include "IPU_MacroblockAddressIncrementTable.h"
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#include "IPU_MacroblockTypeITable.h"
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@ -22,6 +23,7 @@
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using namespace IPU;
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using namespace MPEG2;
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using namespace Framework;
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using namespace std;
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uint8 CIPU::m_nIntraIQ[0x40];
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uint8 CIPU::m_nNonIntraIQ[0x40];
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@ -175,12 +177,12 @@ void CIPU::ExecuteCommand(uint32 nValue)
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break;
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case 2:
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//BDEC
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DecodeBlock( \
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(uint8)((nValue >> 27) & 1), \
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(uint8)((nValue >> 26) & 1), \
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(uint8)((nValue >> 25) & 1), \
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(uint8)((nValue >> 16) & 0x1F), \
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(uint8)(nValue & 0x3F));
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DecodeBlock(&m_OUT_FIFO, \
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static_cast<uint8>((nValue >> 27) & 1), \
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static_cast<uint8>((nValue >> 26) & 1), \
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static_cast<uint8>((nValue >> 25) & 1), \
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static_cast<uint8>((nValue >> 16) & 0x1F), \
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static_cast<uint8>(nValue & 0x3F));
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break;
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case 3:
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//VDEC
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@ -207,10 +209,10 @@ void CIPU::ExecuteCommand(uint32 nValue)
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break;
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case 7:
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//CSC
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ColorSpaceConversion( \
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(uint8)((nValue >> 27) & 1), \
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(uint8)((nValue >> 26) & 1), \
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(uint16)((nValue >> 0) & 0x7FF));
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ColorSpaceConversion(&m_IN_FIFO, \
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static_cast<uint8>((nValue >> 27) & 1), \
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static_cast<uint8>((nValue >> 26) & 1), \
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static_cast<uint16>((nValue >> 0) & 0x7FF));
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break;
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case 9:
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//SETTH
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@ -255,6 +257,7 @@ void CIPU::DMASliceDoneCallback()
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void CIPU::DecodeIntra(uint8 nOFM, uint8 nDTE, uint8 nSGN, uint8 nDTD, uint8 nQSC, uint8 nFB)
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{
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bool nResetDc;
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CIDecFifo IDecFifo;
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m_IN_FIFO.SkipBits(nFB);
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@ -262,7 +265,7 @@ void CIPU::DecodeIntra(uint8 nOFM, uint8 nDTE, uint8 nSGN, uint8 nDTD, uint8 nQS
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while(1)
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{
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uint32 nMBType;
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uint32 nMBType, nMBAIncrement;
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uint8 nDCTType;
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nMBType = CMacroblockTypeITable::GetInstance()->Decode(&m_IN_FIFO) >> 16;
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@ -281,12 +284,23 @@ void CIPU::DecodeIntra(uint8 nOFM, uint8 nDTE, uint8 nSGN, uint8 nDTD, uint8 nQS
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nQSC = static_cast<uint8>(m_IN_FIFO.GetBits_MSBF(5));
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}
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DecodeBlock(1, nResetDc, nDCTType, nQSC, 0);
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DecodeBlock(&IDecFifo, 1, nResetDc, nDCTType, nQSC, 0);
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nResetDc = false;
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ColorSpaceConversion(&IDecFifo, nOFM, nDTE, 1);
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if(m_IN_FIFO.PeekBits_MSBF(23) == 0)
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{
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//We're done decoding
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break;
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}
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nMBAIncrement = CMacroblockAddressIncrementTable::GetInstance()->Decode(&m_IN_FIFO) >> 16;
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assert(nMBAIncrement == 1);
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}
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}
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void CIPU::DecodeBlock(uint8 nMBI, uint8 nDCR, uint8 nDT, uint8 nQSC, uint8 nFB)
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void CIPU::DecodeBlock(COutFifoBase* pOutput, uint8 nMBI, uint8 nDCR, uint8 nDT, uint8 nQSC, uint8 nFB)
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{
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struct BLOCKENTRY
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{
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@ -374,20 +388,20 @@ void CIPU::DecodeBlock(uint8 nMBI, uint8 nDCR, uint8 nDT, uint8 nQSC, uint8 nFB)
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//Write blocks into out FIFO
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for(i = 0; i < 8; i++)
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{
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m_OUT_FIFO.Write(Block[0].pBlock + (i * 8), sizeof(int16) * 0x8);
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m_OUT_FIFO.Write(Block[1].pBlock + (i * 8), sizeof(int16) * 0x8);
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pOutput->Write(Block[0].pBlock + (i * 8), sizeof(int16) * 0x8);
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pOutput->Write(Block[1].pBlock + (i * 8), sizeof(int16) * 0x8);
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}
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for(i = 0; i < 8; i++)
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{
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m_OUT_FIFO.Write(Block[2].pBlock + (i * 8), sizeof(int16) * 0x8);
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m_OUT_FIFO.Write(Block[3].pBlock + (i * 8), sizeof(int16) * 0x8);
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pOutput->Write(Block[2].pBlock + (i * 8), sizeof(int16) * 0x8);
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pOutput->Write(Block[3].pBlock + (i * 8), sizeof(int16) * 0x8);
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}
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m_OUT_FIFO.Write(Block[4].pBlock, sizeof(int16) * 0x40);
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m_OUT_FIFO.Write(Block[5].pBlock, sizeof(int16) * 0x40);
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pOutput->Write(Block[4].pBlock, sizeof(int16) * 0x40);
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pOutput->Write(Block[5].pBlock, sizeof(int16) * 0x40);
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m_OUT_FIFO.Flush();
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pOutput->Flush();
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/*
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if(m_IN_FIFO.PeekBits_MSBF(23) == 0)
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@ -484,7 +498,7 @@ void CIPU::LoadVQCLUT()
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}
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}
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void CIPU::ColorSpaceConversion(uint8 nOFM, uint8 nDTE, uint16 nMBC)
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void CIPU::ColorSpaceConversion(CBitStream* pInput, uint8 nOFM, uint8 nDTE, uint16 nMBC)
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{
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unsigned int* pCbCrMap;
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uint8* pY;
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@ -503,11 +517,11 @@ void CIPU::ColorSpaceConversion(uint8 nOFM, uint8 nDTE, uint16 nMBC)
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{
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for(j = 0; j < 8; j++)
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{
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nBlockY[i + j + 0x00] = (uint8)m_IN_FIFO.GetBits_MSBF(8);
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nBlockY[i + j + 0x00] = (uint8)pInput->GetBits_MSBF(8);
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}
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for(j = 0; j < 8; j++)
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{
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nBlockY[i + j + 0x08] = (uint8)m_IN_FIFO.GetBits_MSBF(8);
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nBlockY[i + j + 0x08] = (uint8)pInput->GetBits_MSBF(8);
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}
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}
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@ -516,24 +530,24 @@ void CIPU::ColorSpaceConversion(uint8 nOFM, uint8 nDTE, uint16 nMBC)
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{
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for(j = 0; j < 8; j++)
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{
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nBlockY[i + j + 0x80] = (uint8)m_IN_FIFO.GetBits_MSBF(8);
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nBlockY[i + j + 0x80] = (uint8)pInput->GetBits_MSBF(8);
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}
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for(j = 0; j < 8; j++)
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{
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nBlockY[i + j + 0x88] = (uint8)m_IN_FIFO.GetBits_MSBF(8);
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nBlockY[i + j + 0x88] = (uint8)pInput->GetBits_MSBF(8);
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}
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}
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//Get Cb data
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for(i = 0; i < 0x40; i++)
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{
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nBlockCb[i] = (uint8)m_IN_FIFO.GetBits_MSBF(8);
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nBlockCb[i] = (uint8)pInput->GetBits_MSBF(8);
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}
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//Get Cr data
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for(i = 0; i < 0x40; i++)
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{
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nBlockCr[i] = (uint8)m_IN_FIFO.GetBits_MSBF(8);
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nBlockCr[i] = (uint8)pInput->GetBits_MSBF(8);
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}
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pY = nBlockY;
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@ -970,6 +984,15 @@ void CIPU::DisassembleCommand(uint32 nValue)
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}
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}
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/////////////////////////////////////////////
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//COutFifoBase class implementation
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/////////////////////////////////////////////
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CIPU::COutFifoBase::~COutFifoBase()
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{
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}
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/////////////////////////////////////////////
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//OUT FIFO class implementation
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/////////////////////////////////////////////
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@ -1147,3 +1170,63 @@ void CIPU::CINFIFO::Reset()
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{
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m_nSize = 0;
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}
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/////////////////////////////////////////////
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//IDEC FIFO class implementation
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/////////////////////////////////////////////
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CIPU::CIDecFifo::CIDecFifo()
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{
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Reset();
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}
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CIPU::CIDecFifo::~CIDecFifo()
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{
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}
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void CIPU::CIDecFifo::Reset()
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{
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m_nReadPtr = 0;
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m_nWritePtr = 0;
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}
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void CIPU::CIDecFifo::Write(void* pBuffer, unsigned int nSize)
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{
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}
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void CIPU::CIDecFifo::Flush()
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{
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//Nothing to do
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}
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uint32 CIPU::CIDecFifo::PeekBits_MSBF(uint8 nLength)
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{
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throw exception();
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}
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uint32 CIPU::CIDecFifo::GetBits_MSBF(uint8 nLength)
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{
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return 0;
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}
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uint32 CIPU::CIDecFifo::PeekBits_LSBF(uint8 nLength)
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{
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throw exception();
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}
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uint32 CIPU::CIDecFifo::GetBits_LSBF(uint8 nLength)
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{
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throw exception();
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}
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void CIPU::CIDecFifo::SeekToByteAlign()
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{
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throw exception();
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}
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bool CIPU::CIDecFifo::IsOnByteBoundary()
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{
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throw exception();
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}
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39
Source/IPU.h
39
Source/IPU.h
@ -24,13 +24,21 @@ public:
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static void DMASliceDoneCallback();
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private:
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class COUTFIFO
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class COutFifoBase
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{
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public:
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virtual ~COutFifoBase();
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virtual void Write(void*, unsigned int) = 0;
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virtual void Flush() = 0;
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};
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class COUTFIFO : public COutFifoBase
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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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virtual void Write(void*, unsigned int);
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virtual void Flush();
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private:
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void RequestGrow(unsigned int);
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@ -45,6 +53,27 @@ private:
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uint8* m_pBuffer;
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};
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class CIDecFifo : public Framework::CBitStream, public COutFifoBase
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{
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public:
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CIDecFifo();
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virtual ~CIDecFifo();
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void Reset();
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virtual void Write(void*, unsigned int);
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virtual void Flush();
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virtual uint32 GetBits_LSBF(uint8);
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virtual uint32 GetBits_MSBF(uint8);
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virtual uint32 PeekBits_LSBF(uint8);
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virtual uint32 PeekBits_MSBF(uint8);
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virtual void SeekToByteAlign();
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virtual bool IsOnByteBoundary();
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private:
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uint8 m_nBuffer[0x300];
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unsigned int m_nReadPtr;
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unsigned int m_nWritePtr;
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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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@ -77,12 +106,12 @@ private:
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static void ExecuteCommand(uint32);
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static void DecodeIntra(uint8, uint8, uint8, uint8, uint8, uint8);
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static void DecodeBlock(uint8, uint8, uint8, uint8, uint8);
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static void DecodeBlock(COutFifoBase*, 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 ColorSpaceConversion(Framework::CBitStream*, uint8, uint8, uint16);
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static void SetThresholdValues(uint32);
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static bool IsExecutionRisky(unsigned int);
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