194 lines
8.6 KiB
C
194 lines
8.6 KiB
C
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/****************************************************************************
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* @doc INTERNAL H26XINC
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*
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* @module H26XInc.h | Header file for the common H.26X video codec defines.
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***************************************************************************/
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#ifndef _H26XINC_H_
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#define _H26XINC_H_
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enum FrameSize {FORBIDDEN=0, SQCIF=1, QCIF=2, CIF=3, fCIF=4, ssCIF=5};
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// MSH26X Configuration Information
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typedef struct tagMSH26XCONF{
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BOOL bInitialized; // Whether custom msgs can be rcv'd.
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BOOL bCompressBegin; // Whether the CompressBegin msg was rcv'd.
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BOOL bRTPHeader; // Whether to generate RTP header info
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/* used if bRTPHeader */
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UINT unPacketSize; // Maximum packet size
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BOOL bEncoderResiliency; // Whether to use resiliency restrictions
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/* used if bEncoderResiliency */
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UINT unPacketLoss;
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BOOL bBitRateState;
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/* used if bBitRateState */
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UINT unBytesPerSecond;
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/* The following information is determined from the packet loss value. */
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/* These values are calculated each time we receive a resiliency msg or */
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/* the value is changed through the dialog box. They are not stored in */
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/* the registry. Only the above elements are stored in the registry. */
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BOOL bDisallowPosVerMVs; // if true, disallow positive vertical MVs
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BOOL bDisallowAllVerMVs; // if true, disallow all vertical MVs
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UINT unPercentForcedUpdate; // Percent Forced Update per Frame
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UINT unDefaultIntraQuant; // Default Intra Quant
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UINT unDefaultInterQuant; // Default Inter Quant
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} MSH26XCONF;
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// MSH26X Compressor Instance information
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typedef struct tagMSH26XCOMPINSTINFO{
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BOOL Initialized;
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WORD xres, yres;
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FrameSize FrameSz; // Which of the supported frame sizes.
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float FrameRate;
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DWORD DataRate; // Data rate in bytes per second.
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HGLOBAL hEncoderInst; // Instance data private to encoder.
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LPVOID EncoderInst;
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WORD CompressedSize;
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BOOL Is160x120;
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BOOL Is240x180;
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BOOL Is320x240;
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MSH26XCONF Configuration;
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} MSH26XCOMPINSTINFO, *PMSH26XCOMPINSTINFO;
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// MSH26X BitStream Info Trailer structure
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typedef struct tagH26X_RTP_BSINFO_TRAILER {
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DWORD dwVersion;
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DWORD dwFlags;
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DWORD dwUniqueCode;
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DWORD dwCompressedSize;
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DWORD dwNumOfPackets;
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BYTE bySrc;
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BYTE byTR;
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BYTE byTRB;
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BYTE byDBQ;
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} H26X_RTP_BSINFO_TRAILER, *PH26X_RTP_BSINFO_TRAILER;
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// MSH263 BitStream Info structure
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typedef struct tagRTP_H263_BSINFO {
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DWORD dwFlags;
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DWORD dwBitOffset;
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BYTE byMode;
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BYTE byMBA;
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BYTE byQuant;
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BYTE byGOBN;
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char cHMV1;
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char cVMV1;
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char cHMV2;
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char cVMV2;
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} RTP_H263_BSINFO, *PRTP_H263_BSINFO;
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// MSH261 BitStream Info structure
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typedef struct tagRTP_H261_BSINFO {
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DWORD dwFlags;
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DWORD dwBitOffset;
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BYTE byMBA;
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BYTE byQuant;
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BYTE byGOBN;
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char cHMV;
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char cVMV;
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BYTE byPadding0;
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WORD wPadding1;
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} RTP_H261_BSINFO, *PRTP_H261_BSINFO;
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// Constants
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#define H263_RTP_BS_START_CODE MakeFOURCC('H','2','6','3')
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#define H261_RTP_BS_START_CODE MakeFOURCC('H','2','6','1')
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#define RTP_H26X_INTRA_CODED 0x00000001
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#define RTP_H263_PB 0x00000002
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#define RTP_H263_AP 0x00000004
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#define RTP_H263_SAC 0x00000008
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#define RTP_H263_UMV 0x00000010
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#define RTP_H263_MODE_A 0x00
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#define RTP_H263_MODE_B 0x01
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#define RTP_H263_MODE_C 0x02
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#define H26X_RTP_PAYLOAD_VERSION 0x00000000
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#define RTP_H26X_PACKET_LOST 0x00000001
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// Decompressor Instance information
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typedef struct
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{
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BOOL Initialized;
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BOOL bProposedCorrectAspectRatio;// proposed
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BOOL bCorrectAspectRatio; // whether to correct the aspect ratio
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WORD xres, yres; // size of image within movie
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FrameSize FrameSz; // Which of the supported frame sizes.
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// int pXScale, pYScale; // proposed scaling (Query)
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// int XScale, YScale; // current scaling (Begin)
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UINT uColorConvertor; // Current Color Convertor
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WORD outputDepth; // and bit depth
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LPVOID pDecoderInst;
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BOOL UseActivePalette; // decompress to active palette == 1
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BOOL InitActivePalette; // active palette initialized == 1
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BOOL bUseBlockEdgeFilter; // switch for block edge filter
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RGBQUAD ActivePalette[256]; // stored active palette
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} DECINSTINFO, FAR *LPDECINST;
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// Configuration Information
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typedef struct
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{
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BOOL bInitialized; // Whether custom msgs can be rcv'd.
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BOOL bCompressBegin; // Whether the CompressBegin msg was rcv'd.
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BOOL bRTPHeader; // Whether to generate RTP header info
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// Used if bRTPHeader
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UINT unPacketSize; // Maximum packet size
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BOOL bEncoderResiliency; // Whether to use resiliency restrictions
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// Used if bEncoderResiliency
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UINT unPacketLoss;
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BOOL bBitRateState;
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// Used if bBitRateState
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UINT unBytesPerSecond;
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/* The following information is determined from the packet loss value. */
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/* These values are calculated each time we receive a resiliency msg or */
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/* the value is changed through the dialog box. They are not stored in */
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/* the registry. Only the above elements are stored in the registry. */
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BOOL bDisallowPosVerMVs; // if true, disallow positive vertical MVs
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BOOL bDisallowAllVerMVs; // if true, disallow all vertical MVs
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UINT unPercentForcedUpdate; // Percent Forced Update per Frame
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UINT unDefaultIntraQuant; // Default Intra Quant
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UINT unDefaultInterQuant; // Default Inter Quant
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} T_CONFIGURATION;
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// Compressor Instance information
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typedef struct
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{
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BOOL Initialized;
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WORD xres, yres;
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FrameSize FrameSz; // Which of the supported frame sizes.
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float FrameRate;
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DWORD DataRate; // Data rate in bytes per second.
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HGLOBAL hEncoderInst; // Instance data private to encoder.
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LPVOID EncoderInst;
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WORD CompressedSize;
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BOOL Is160x120;
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BOOL Is240x180;
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BOOL Is320x240;
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T_CONFIGURATION Configuration;
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} COMPINSTINFO, FAR *LPCODINST;
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// Instance information
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// @todo Remove useless fields of this structure
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typedef struct tagINSTINFO
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{
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DWORD dwFlags;
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DWORD fccHandler; // So we know what codec has been opened.
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BOOL enabled;
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LPCODINST CompPtr; // ICM
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LPDECINST DecompPtr; // ICM
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} INSTINFO, FAR *LPINST;
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// For GetProcAddresss on DriverProc
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typedef LRESULT (WINAPI *LPFNDRIVERPROC)(IN DWORD dwDriverID, IN HDRVR hDriver, UINT uiMessage, LPARAM lParam1, LPARAM lParam2);
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// FourCC codes for DDraw and codecs
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#define FOURCC_YUY2 mmioFOURCC('Y', 'U', 'Y', '2')
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#define FOURCC_UYVY mmioFOURCC('U', 'Y', 'V', 'Y')
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#define FOURCC_I420 mmioFOURCC('I', '4', '2', '0')
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#define FOURCC_IYUV mmioFOURCC('I', 'Y', 'U', 'V')
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#define FOURCC_YV12 mmioFOURCC('Y', 'V', '1', '2')
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#define FOURCC_M263 mmioFOURCC('M', '2', '6', '3')
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#define FOURCC_M261 mmioFOURCC('M', '2', '6', '1')
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#define FOURCC_R263 mmioFOURCC('R', '2', '6', '3')
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#define FOURCC_R261 mmioFOURCC('R', '2', '6', '1')
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#endif // _H26XINC_H_
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