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src/Source/LibJXR/image/sys/windowsmediaphoto.h  view on Meta::CPAN

#define TRUE 1
#endif // TRUE

#define MAX_CHANNELS 16
#define LOG_MAX_TILES 12
#define MAX_TILES (1 << LOG_MAX_TILES)


//================================================================
// Codec-specific constants
#define MB_WIDTH_PIXEL 16
#define MB_HEIGHT_PIXEL 16

#define BLK_WIDTH_PIXEL 4
#define BLK_HEIGHT_PIXEL 4

#define MB_WIDTH_BLK 4
#define MB_HEIGHT_BLK 4

// The codec operates most efficiently when the framebuffers for encoder input
// and decoder output are: 1) aligned on a particular boundary, and 2) the stride
// is also aligned to this boundary (so that each scanline is also aligned).
// This boundary is defined below.
#define FRAMEBUFFER_ALIGNMENT 128


//================================================================
#define WMP_errSuccess 0

#define WMP_errFail -1
#define WMP_errNotYetImplemented -2
#define WMP_errAbstractMethod -3

#define WMP_errOutOfMemory -101
#define WMP_errFileIO -102
#define WMP_errBufferOverflow -103
#define WMP_errInvalidParameter -104
#define WMP_errInvalidArgument -105
#define WMP_errUnsupportedFormat -106
#define WMP_errIncorrectCodecVersion -107
#define WMP_errIndexNotFound -108
#define WMP_errOutOfSequence -109
#define WMP_errNotInitialized -110
#define WMP_errMustBeMultipleOf16LinesUntilLastCall -111
#define WMP_errPlanarAlphaBandedEncRequiresTempFile -112
#define WMP_errAlphaModeCannotBeTranscoded -113
#define WMP_errIncorrectCodecSubVersion -114


//================================================================
typedef long ERR;

#define Failed(err) ((err)<0)

#define CRLF "\r\n"

#define CT_ASSERT(exp, uniq) typedef char __CT_ASSERT__##uniq[(exp) ? 1 : -1] // Caller must provide a unique tag, or this fails to compile under GCC

#if defined(_DEBUG) || defined(DBG)
#define Report(err, szExp, szFile, nLine) \
    fprintf(stderr, "FAILED: %ld=%s" CRLF, (err), (szExp)); \
    fprintf(stderr, "        %s:%ld" CRLF, (szFile), (nLine));  \

#else
#define Report(err, szExp, szFile, lLine) err = err
#endif

#define Call(exp) \
    if (Failed(err = (exp))) \
    { \
        Report(err, #exp, __FILE__, (long)__LINE__); \
        goto Cleanup; \
    } \
    else err = err

#define CallIgnoreError(errTmp, exp) \
    if (Failed(errTmp = (exp))) \
    { \
        Report(errTmp, #exp, __FILE__, (long)__LINE__); \
    } \
    else errTmp = errTmp


#define Test(exp, err) Call((exp) ? WMP_errSuccess : (err))
#define FailIf(exp, err) Call((exp) ? (err) : WMP_errSuccess)

//================================================================
// WMPStream interface
//================================================================
struct WMPStream
{
    union
    {
        struct tagFile
        {
            FILE* pFile;
        } file;

        struct tagBuf
        {
            U8* pbBuf;
            size_t cbBuf;
            size_t cbCur;
            size_t cbBufCount;
        } buf;

        void* pvObj;
    } state;

    Bool fMem;

    ERR (*Close)(struct WMPStream** pme);

    Bool (*EOS)(struct WMPStream* me);
    
    ERR (*Read)(struct WMPStream* me, void* pv, size_t cb);
    ERR (*Write)(struct WMPStream* me, const void* pv, size_t cb);
    //ERR (*GetLine)(struct WMPStream* me, void* pv, size_t cb);

    ERR (*SetPos)(struct WMPStream* me, size_t offPos);
    ERR (*GetPos)(struct WMPStream* me, size_t* poffPos);
};