M4XCmdSingleThread.h

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// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
 
#include "vdecmpeg4_Types.h"
#include "vdecmpeg4_ErrorCodes.h"
#include "M4Global.h"
#include "M4MemOps.h"
 
namespace vdecmpeg4
{
 
class M4Image;
class M4Decoder;
struct M4BitstreamCacheEntry;
struct M4_MB;
struct M4BitstreamHeaderInfo;
struct VIDImage;
struct VIDDecoderSetup;
 
void M4ImageCreatePadding(void* image);
 
 
class M4XCmdSingleThread
{
public:
 
    M4XCmdSingleThread();
    ~M4XCmdSingleThread();
 
    VIDError Init(M4Decoder* pDecoder);
    void Exit();
 
    // -----------------------------------------------------------------------
 
    void FrameBegin(M4Image* pOutput, M4BitstreamHeaderInfo* pHeaderInfo, M4Image* pRefImage[2]);
    void FrameEnd()
    {
    }
 
    // -----------------------------------------------------------------------
 
    void XCreatePadding(VIDImage* pImage)
    {
        M4ImageCreatePadding(pImage->_private);
    }
    void XCopyMB(/*M4_MB* pMB,*/ int32 mbx, int32 mby)
    {
        M4MemOpInterMBCopyAll(mpOutput, mbx, mby, mpRefImage[0]);
    }
    void XUpdateIntraMB(M4_MB* pMB, int32 mbx, int32 mby, M4BitstreamCacheEntry* pCacheEntry);
    void XUpdateInterMB(M4_MB* pMB, int32 mbx, int32 mby, M4BitstreamCacheEntry* pCacheEntry, MV_PREDICTION mvDir, uint32 refImageNo);
    void XInterpolateMB(M4_MB* pMb, int32 mbx, int32 mby, M4BitstreamCacheEntry* pCacheEntry, uint32 refImageForward, uint32 refImageBackward, uint16 mbLastIdx);
 
    // -----------------------------------------------------------------------
 
    int16* GetDctWorkArea() const
    {
        return mpDctWorkData;
    }
 
    const VIDImageMacroblockInfo& GetMacroblockInfo() const
    {
        return mMacroblockInfo;
    }
 
protected:
 
    int16*                  mpDctWorkData;
    M4Image*                mpOutput;
    M4BitstreamHeaderInfo*  mpHeaderInfo;
 
    M4Image*                mpRefImage[2];
 
    M4Decoder*              mpDecoder;
 
    VIDImageMacroblockInfo  mMacroblockInfo;
};
 
}