fmfcdecfilter.h

来自「SAMSUNG S3C6410 CPU BSP for winmobile6」· C头文件 代码 · 共 105 行

//------------------------------------------------------------------------------
// File: fMFCDecFilter.h
//
// Desc: define CMFCDecFilter class
//
// Author : JiyoungShin([e-mail])
//          Simon Chun([e-mail])
//
// Copyright 2007 Samsung System LSI, All rights reserved.
//------------------------------------------------------------------------------
#if !defined(_SAMSUNG_SYSLSI_FMFCDECFILTER_H_)
#define _SAMSUNG_SYSLSI_FMFCDECFILTER_H_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "MFCDriver.h"
#include "MFCDecDriver.h"

#define	FPS
#define NAL_UNIT_TYPE_TYPE(n)	((0x001F) & (n))


typedef struct
{
	UCHAR  *lum;       /* Luminance pointer */
	UCHAR  *cb;        /* Cb pointer */
	UCHAR  *cr;        /* Cr pointer */
	UINT	width;     /* Width of the frame */
	UINT	height;    /* Height of the frame */
	UINT32	mLength;
} tBaseVideoFrame;

class CMFCDecFilterInputPin;
class CMFCDecFilterOutputPin;


class CMFCDecFilter : public CTransformFilter
{
	friend class CMFCDecFilterInputPin;
	friend class CMFCDecFilterOutputPin;

public:
	CMFCDecFilter(LPUNKNOWN pUnk, HRESULT *phr);
	virtual ~CMFCDecFilter(void);
	static CUnknown * WINAPI CreateInstance(LPUNKNOWN pUnk, HRESULT *phr);



// Attributes
public:
	void               *decode_ctx;


	BOOLEAN				m_MP4IsFirstTransform;
	BOOLEAN				m_MP4IsFirstFrameDecode;
	BOOLEAN				m_H264IsFirstTransform;
	BOOLEAN				m_VC1IsFirstTransform;
	BOOLEAN				m_WMV9sFirstTransform;

	int                 m_Width, m_Height,m_Wmvdata;
	BYTE				*m_pFrmBuf;
	long					m_FrmSize;

// Overrides
protected:
	// Transform operation, which this filter does
	virtual HRESULT Transform(IMediaSample *pIn, IMediaSample *pOut);
	// check if you can support mtIn
	virtual HRESULT CheckInputType(const CMediaType *pmtIn);
	// check if you can support the transform from this input to this output
	virtual HRESULT CheckTransform(const CMediaType *pmtIn, const CMediaType *pmtOut);
	// call the SetProperties function with appropriate arguments
	virtual HRESULT DecideBufferSize(IMemAllocator *pAllocator, ALLOCATOR_PROPERTIES *pProperties);
	// override to suggest OUTPUT pin media types
	virtual HRESULT GetMediaType(int iPosition, CMediaType *pMediaType);
	// override to define action when stream ends
	virtual HRESULT EndOfStream();
	virtual HRESULT Receive(IMediaSample* pSample);

// Implementations
protected:

private:
	HRESULT CopySample(IMediaSample *pSource, IMediaSample *pDest);
	HRESULT MP4Decode(IMediaSample* pSample);
	HRESULT H264Decode(IMediaSample* pSample);
	HRESULT VC1Decode(IMediaSample* pSample);
	HRESULT WMV9Decode(IMediaSample* pSample);

// member variables
private:
#define RAW_STRM_TYPE_M4V		100
#define RAW_STRM_TYPE_H264RAW	101
#define RAW_STRM_TYPE_RCV		102
#define VIDEO_STRM_TYPE_WMV9	103
	int                m_StrmType;
//	tBaseVideoFrame		ScaledBuffer;
//	tBaseVideoFrame		DecBuffer;
};


#endif // !defined(_SAMSUNG_SYSLSI_FMFCDECFILTER_H_)