components.h

Mplayer源码

    int32_t                         recordSize;                 /* sizeof(ImageSubCodecDecompressCapabilities)*/
    int32_t                         decompressRecordSize;       /* size of your codec's decompress record*/
    Boolean                         canAsync;                   /* default true*/
    UInt8                           pad0;

                                                                /* The following fields only exist for QuickTime 4.0 and greater */
    UInt16                          suggestedQueueSize;
    Boolean                         canProvideTrigger;

                                                                /* The following fields only exist for QuickTime 5.0 and greater */
    Boolean                         subCodecFlushesScreen;      /* only used on Mac OS X*/
    Boolean                         subCodecCallsDrawBandComplete;
    UInt8                           pad2[1];

                                                                /* The following fields only exist for QuickTime 5.1 and greater */
    Boolean                         isChildCodec;               /* set by base codec before calling Initialize*/
    UInt8                           pad3[3];
};
typedef struct ImageSubCodecDecompressCapabilities ImageSubCodecDecompressCapabilities;


struct __attribute__((__packed__)) ImageSubCodecDecompressRecord {
    Ptr                             baseAddr;
    int32_t                         rowBytes;
    Ptr                             codecData;
    ICMProgressProcRecord           progressProcRecord;
    ICMDataProcRecord               dataProcRecord;
    void *                          userDecompressRecord;       /* pointer to codec-specific per-band data*/
    UInt8                           frameType;
    Boolean                         inhibitMP;                  /* set this in BeginBand to tell the base decompressor not to call DrawBand from an MP task for this frame.  (Only has any effect for MP-capable subcodecs.  New in QuickTime 5.0.)*/
    UInt8                           pad[2];
    int32_t                         priv[2];

                                                                /* The following fields only exist for QuickTime 5.0 and greater */
    ImageCodecDrawBandCompleteUPP   drawBandCompleteUPP;        /* only used if subcodec set subCodecCallsDrawBandComplete; if drawBandCompleteUPP is non-nil, codec must call it when a frame is finished, but may return from DrawBand before the frame is finished. */
    void *                          drawBandCompleteRefCon;     /* Note: do not call drawBandCompleteUPP directly from a hardware interrupt; instead, use DTInstall to run a function at deferred task time, and call drawBandCompleteUPP from that. */
};
typedef struct ImageSubCodecDecompressRecord ImageSubCodecDecompressRecord;


/* These are the bits that are set in the Component flags, and also in the codecInfo struct. */
enum {
    codecInfoDoes1              = (1L << 0),                    /* codec can work with 1-bit pixels */
    codecInfoDoes2              = (1L << 1),                    /* codec can work with 2-bit pixels */
    codecInfoDoes4              = (1L << 2),                    /* codec can work with 4-bit pixels */
    codecInfoDoes8              = (1L << 3),                    /* codec can work with 8-bit pixels */
    codecInfoDoes16             = (1L << 4),                    /* codec can work with 16-bit pixels */
    codecInfoDoes32             = (1L << 5),                    /* codec can work with 32-bit pixels */
    codecInfoDoesDither         = (1L << 6),                    /* codec can do ditherMode */
    codecInfoDoesStretch        = (1L << 7),                    /* codec can stretch to arbitrary sizes */
    codecInfoDoesShrink         = (1L << 8),                    /* codec can shrink to arbitrary sizes */
    codecInfoDoesMask           = (1L << 9),                    /* codec can mask to clipping regions */
    codecInfoDoesTemporal       = (1L << 10),                   /* codec can handle temporal redundancy */
    codecInfoDoesDouble         = (1L << 11),                   /* codec can stretch to double size exactly */
    codecInfoDoesQuad           = (1L << 12),                   /* codec can stretch to quadruple size exactly */
    codecInfoDoesHalf           = (1L << 13),                   /* codec can shrink to half size */
    codecInfoDoesQuarter        = (1L << 14),                   /* codec can shrink to quarter size */
    codecInfoDoesRotate         = (1L << 15),                   /* codec can rotate on decompress */
    codecInfoDoesHorizFlip      = (1L << 16),                   /* codec can flip horizontally on decompress */
    codecInfoDoesVertFlip       = (1L << 17),                   /* codec can flip vertically on decompress */
    codecInfoHasEffectParameterList = (1L << 18),               /* codec implements get effects parameter list call, once was codecInfoDoesSkew */
    codecInfoDoesBlend          = (1L << 19),                   /* codec can blend on decompress */
    codecInfoDoesWarp           = (1L << 20),                   /* codec can warp arbitrarily on decompress */
    codecInfoDoesRecompress     = (1L << 21),                   /* codec can recompress image without accumulating errors */
    codecInfoDoesSpool          = (1L << 22),                   /* codec can spool image data */
    codecInfoDoesRateConstrain  = (1L << 23)                    /* codec can data rate constrain */
};


enum {
    codecInfoDepth1             = (1L << 0),                    /* compressed data at 1 bpp depth available */
    codecInfoDepth2             = (1L << 1),                    /* compressed data at 2 bpp depth available */
    codecInfoDepth4             = (1L << 2),                    /* compressed data at 4 bpp depth available */
    codecInfoDepth8             = (1L << 3),                    /* compressed data at 8 bpp depth available */
    codecInfoDepth16            = (1L << 4),                    /* compressed data at 16 bpp depth available */
    codecInfoDepth32            = (1L << 5),                    /* compressed data at 32 bpp depth available */
    codecInfoDepth24            = (1L << 6),                    /* compressed data at 24 bpp depth available */
    codecInfoDepth33            = (1L << 7),                    /* compressed data at 1 bpp monochrome depth  available */
    codecInfoDepth34            = (1L << 8),                    /* compressed data at 2 bpp grayscale depth available */
    codecInfoDepth36            = (1L << 9),                    /* compressed data at 4 bpp grayscale depth available */
    codecInfoDepth40            = (1L << 10),                   /* compressed data at 8 bpp grayscale depth available */
    codecInfoStoresClut         = (1L << 11),                   /* compressed data can have custom cluts */
    codecInfoDoesLossless       = (1L << 12),                   /* compressed data can be stored in lossless format */
    codecInfoSequenceSensitive  = (1L << 13)                    /* compressed data is sensitive to out of sequence decoding */
};

struct __attribute__((__packed__)) CodecInfo {
    Str31                           typeName;                   /* name of the codec type i.e.: 'Apple Image Compression' */
    short                           version;                    /* version of the codec data that this codec knows about */
    short                           revisionLevel;              /* revision level of this codec i.e: 0x00010001 (1.0.1) */
    int32_t                         vendor;                     /* Maker of this codec i.e: 'appl' */
    int32_t                         decompressFlags;            /* codecInfo flags for decompression capabilities */
    int32_t                         compressFlags;              /* codecInfo flags for compression capabilities */
    int32_t                         formatFlags;                /* codecInfo flags for compression format details */
    UInt8                           compressionAccuracy;        /* measure (1-255) of accuracy of this codec for compress (0 if unknown) */
    UInt8                           decompressionAccuracy;      /* measure (1-255) of accuracy of this codec for decompress (0 if unknown) */
    unsigned short                  compressionSpeed;           /* ( millisecs for compressing 320x240 on base mac II) (0 if unknown)  */
    unsigned short                  decompressionSpeed;         /* ( millisecs for decompressing 320x240 on mac II)(0 if unknown)  */
    UInt8                           compressionLevel;           /* measure (1-255) of compression level of this codec (0 if unknown)  */
    UInt8                           resvd;                      /* pad */
    short                           minimumHeight;              /* minimum height of image (block size) */
    short                           minimumWidth;               /* minimum width of image (block size) */
    short                           decompressPipelineLatency;  /* in milliseconds ( for asynchronous codecs ) */
    short                           compressPipelineLatency;    /* in milliseconds ( for asynchronous codecs ) */
    int32_t                         privateData;
};
typedef struct CodecInfo                CodecInfo;

enum {
    codecFlagUseImageBuffer     = (1L << 0),                    /* decompress*/
    codecFlagUseScreenBuffer    = (1L << 1),                    /* decompress*/
    codecFlagUpdatePrevious     = (1L << 2),                    /* compress*/
    codecFlagNoScreenUpdate     = (1L << 3),                    /* decompress*/
    codecFlagWasCompressed      = (1L << 4),                    /* compress*/
    codecFlagDontOffscreen      = (1L << 5),                    /* decompress*/
    codecFlagUpdatePreviousComp = (1L << 6),                    /* compress*/
    codecFlagForceKeyFrame      = (1L << 7),                    /* compress*/
    codecFlagOnlyScreenUpdate   = (1L << 8),                    /* decompress*/
    codecFlagLiveGrab           = (1L << 9),                    /* compress*/
    codecFlagDiffFrame          = (1L << 9),                    /* decompress*/
    codecFlagDontUseNewImageBuffer = (1L << 10),                /* decompress*/
    codecFlagInterlaceUpdate    = (1L << 11),                   /* decompress*/
    codecFlagCatchUpDiff        = (1L << 12),                   /* decompress*/
    codecFlagSupportDisable     = (1L << 13),                   /* decompress*/
    codecFlagReenable           = (1L << 14)                    /* decompress*/
};

static inline void dump_ImageDescription(void* xxx){
    ImageDescription* id=(ImageDescription*)xxx;
    unsigned char* x;
    int i;

    for(i=0;i<id->idSize;i++){
	printf(" %02X",((unsigned char*)id)[i]);
	if((i%16)==15) printf("\n");
    }
    printf("\n");


    printf("=============== ImageDescription at %p ==================\n",xxx);
    printf("idSize=0x%X  fourcc=0x%08X\n",id->idSize,id->cType);
    printf("ver=%d rev=%d vendor=0x%08X\n",id->version,id->revisionLevel,id->vendor);
    printf("tempQ=%d spatQ=%d  dim: %d x %d  dpi: %d x %d  depth: %d\n",
	id->temporalQuality,id->spatialQuality,
	id->width, id->height,
	id->hRes, id->vRes,
	id->depth);
    printf("dataSize=%d frameCount=%d clutID=%d\n",id->dataSize, id->frameCount, id->clutID);
    printf("name='%.*s'\n",((char*)(&id->name))[0],((char*)(&id->name))+1);
    x=((char*)(&id->clutID))+2;
    if(id->idSize>sizeof(ImageDescription)){
	printf("%02X %02X %02X %02X | %02X %02X %02X %02X | %02X %02X %02X %02X | %02X %02X %02X %02X\n",
	x[0],x[1],x[2],x[3],x[4],x[5],x[6],x[7],x[8],x[9],x[10],x[11],x[12],x[13],x[14],x[15]);
    }
    printf("=========================================================\n");
}

static inline void dump_Rect(char* title,Rect *r){
    printf("%s: %d;%d - %d;%d\n",title,
        (int)r->top,(int)r->left,(int)r->bottom,(int)r->right);
}

static inline void dump_MatrixRecord(char* title, MatrixRecord *m){
    printf("%s: [%d %d %d][%d %d %d][%d %d %d]\n",title,
	m->matrix[0][0],m->matrix[0][1],m->matrix[0][2],
	m->matrix[1][0],m->matrix[1][1],m->matrix[1][2],
	m->matrix[2][0],m->matrix[2][1],m->matrix[2][2]);
}

static inline void dump_PixMap(void* xxx){
    PixMap *p=xxx;
    printf("=============== PixMap at %p ==================\n",xxx);
    printf("base=%p  stride=%d\n",p->baseAddr, p->rowBytes);
    dump_Rect("bounds",&p->bounds);
    printf("pmVersion=0x%X packType=0x%X\n packSize=0x%X\n",
	p->pmVersion,p->packType, p->packSize);
    printf("hRes=0x%X vRes=0x%X pixelType=0x%X pixelSize=0x%X\n",
	p->hRes,p->vRes,p->pixelType,p->pixelSize);
    printf("cmpCount=0x%X cmpSize=0x%X pixelFormat=0x%X\n",
	p->cmpCount,p->cmpSize,p->pixelFormat);
    printf("pmTable=%p pmExt=%p\n",p->pmTable,p->pmExt);
    printf("=========================================================\n");
}

static inline void dump_CodecCapabilities(void* xxx){
    CodecCapabilities* cc=xxx;
    if(!xxx) return;
    printf("=============== CodecCapabilities at %p =================\n",xxx);
    printf("flags=0x%X  flags2=0x%X\n",cc->flags,cc->flags2);
    printf("wantedPixelSize=%d extendWidth=%d extendHeight=%d band=%d+%d\n",
	cc->wantedPixelSize,cc->extendWidth,cc->extendHeight,
	cc->bandMin,cc->bandInc);
    printf("pad=0x%X  time=0x%X\n",cc->pad,cc->time);
    printf("=========================================================\n");
}

static inline void dump_CodecDecompressParams(void* xxx){
    CodecDecompressParams* cd=xxx;
    ImageDescription **idh;
    int i;
    if(!xxx) return;
    printf("=============== CodecDecompressParams at %p ==================\n",xxx);
    printf("sequenceID=%d\n",cd->sequenceID);
    idh=cd->imageDescription;
    if(idh && idh[0]) dump_ImageDescription(idh[0]);
    
    for(i=0;i<sizeof(CodecDecompressParams);i++){
	printf(" %02X",((unsigned char*)cd)[i]);
	if((i%16)==15) printf("\n");
    }
    printf("\n");
    
    printf("data=%p  size=%d\n",cd->data,cd->bufferSize);
    printf("frameno=%d  lines: %d .. %d   condflags=0x%X  callerflags=0x%X\n",
	cd->frameNumber, cd->startLine, cd->stopLine, cd->conditionFlags,cd->callerFlags);
//    printf("maskBits=%p mattePixMap=%p\n",
//	cd->maskBits,cd->mattePixMap);
    dump_PixMap(&cd->dstPixMap);
//    if(cd->mattePixMap) dump_PixMap(cd->mattePixMap);
    if(cd->matrix) dump_MatrixRecord("matrix",cd->matrix);
    if(cd->capabilities) dump_CodecCapabilities(cd->capabilities);
    printf("accuracy=%d  transferMode=%d  matrixFlags=0x%X matrixType=%d\n",
	(int)cd->accuracy, (int)cd->transferMode, (int)cd->matrixFlags, (int)cd->matrixType);
    printf("srcrect: %d;%d - %d;%d\n",cd->srcRect.top,cd->srcRect.left,cd->srcRect.bottom,cd->srcRect.right);
    printf("dstrect: %d;%d - %d;%d\n",cd->dstRect.top,cd->dstRect.left,cd->dstRect.bottom,cd->dstRect.right);
    printf("wantedDestinationPixelTypes=%p\n",cd->wantedDestinationPixelTypes);
    if(cd->wantedDestinationPixelTypes){
	unsigned int* p=cd->wantedDestinationPixelTypes;
	while(p[0]){
	    printf("  0x%08X %.4s\n",p[0],&p[0]);
	    ++p;
	}
    }
    printf("screenFloodMethod=%d value=%d  preferredOffscreenPixelSize=%d\n",
	cd->screenFloodMethod, cd->screenFloodValue, cd->preferredOffscreenPixelSize);
    printf("callbacks: progress=%p compl=%p data=%p ftime=%p srcdata=%p sync=%p\n",
     cd->progressProcRecord, cd->completionProcRecord,
     cd->dataProcRecord, cd->frameTime, cd->sourceData, cd->syncFrameTime);
//    printf("\n");

    printf("=========================================================\n");


}