QuickTime - The Beta Release

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Wrap

Text File | 1991-09-06 | 28.4 KB | 645 lines | [TEXT/MPS ]

; Created: Wednesday, August 14, 1991 9:35 AM ; ; File: ImageCompression.a ; ; Assembler Interface to the Macintosh Libraries ; Copyright Apple Computer, Inc. 1990-1991 ; All Rights Reserved ; ;___________________________________________________________________________ IF &TYPE('__IncludingImageCompression__') = 'UNDEFINED' THEN __IncludingImageCompression__ SET 1 gestaltCompressionMgr EQU 'icmp' ; These are the bits that are set in the Component flags, and also in the codecInfo struct. codecInfoDoes1 EQU $1 ; codec can work with 1-bit pixels codecInfoDoes2 EQU $2 ; codec can work with 2-bit pixels codecInfoDoes4 EQU $4 ; codec can work with 4-bit pixels codecInfoDoes8 EQU $8 ; codec can work with 8-bit pixels codecInfoDoes16 EQU $10 ; codec can work with 16-bit pixels codecInfoDoes32 EQU $20 ; codec can work with 32-bit pixels codecInfoDoesDither EQU $40 ; codec can do ditherMode codecInfoDoesStretch EQU $80 ; codec can stretch to arbitrary sizes codecInfoDoesShrink EQU $100 ; codec can shrink to arbitrary sizes codecInfoDoesMask EQU $200 ; codec can mask to clipping regions codecInfoDoesTemporal EQU $400 ; codec can handle temporal redundancy codecInfoDoesDouble EQU $800 ; codec can stretch to double size exactly codecInfoDoesQuad EQU $1000 ; codec can stretch to quadruple size exactly codecInfoDoesHalf EQU $2000 ; codec can shrink to half size codecInfoDoesQuarter EQU $4000 ; codec can shrink to quarter size codecInfoDoesRotate EQU $8000 ; codec can rotate on decompress codecInfoDoesHorizFlip EQU $10000 ; codec can flip horizontally on decompress codecInfoDoesVertFlip EQU $20000 ; codec can flip vertically on decompress codecInfoDoesSkew EQU $40000 ; codec can skew on decompress codecInfoDoesBlend EQU $80000 ; codec can blend on decompress codecInfoDoesWarp EQU $100000 ; codec can warp arbitrarily on decompress codecInfoDoesRecompress EQU $200000 ; codec can recompress image without accumulating errors codecInfoDepth1 EQU $1 ; compressed data at 1 bpp depth available codecInfoDepth2 EQU $2 ; compressed data at 2 bpp depth available codecInfoDepth4 EQU $4 ; compressed data at 4 bpp depth available codecInfoDepth8 EQU $8 ; compressed data at 8 bpp depth available codecInfoDepth16 EQU $10 ; compressed data at 16 bpp depth available codecInfoDepth32 EQU $20 ; compressed data at 32 bpp depth available codecInfoDepth24 EQU $40 ; compressed data at 24 bpp depth available codecInfoDepth33 EQU $80 ; compressed data at 1 bpp monochrome depth available codecInfoDepth34 EQU $100 ; compressed data at 2 bpp grayscale depth available codecInfoDepth36 EQU $200 ; compressed data at 4 bpp grayscale depth available codecInfoDepth40 EQU $400 ; compressed data at 8 bpp grayscale depth available codecInfoStoresClut EQU $800 ; compressed data can have custom cluts codecFlagUseImageBuffer EQU $1 ; (input) allocate buffer for whole image on decompress sequence codecFlagUseScreenBuffer EQU $2 ; (input) allocate buffer for screen on decompress sequence for faster updates codecFlagUpdatePrevious EQU $4 ; (input) udate previous buffer on compress sequence codecFlagNoScreenUpdate EQU $8 ; (input) dont update screen, but do update image buffer if allocated codecFlagWasCompressed EQU $10 ; (input) hint to compressor that image was previously compressed codecFlagDontOffscreen EQU $20 ; return error instead of automatically going offscreen codecFlagUpdatePreviousComp EQU $40 ; (input) udate previous buffer on compress sequence codecFlagForceKeyFrame EQU $80 ; when sent to CompressSequenceFrame, forces that frame to be a key frame codecFlagUsedImageBuffer EQU $8000 ; (output) indicates that image buffer was used on this decompress sequence codecErr EQU -8960 ; the codec returned an error noCodecErr EQU -8961 ; the specified codec could not be found codecUnimpErr EQU -8962 ; this feature is not implemented by the specified codec codecSizeErr EQU -8963 codecScreenBufErr EQU -8964 ; the screen buffer could not be allocated codecImageBufErr EQU -8965 ; the image buffer could not be allocated codecSpoolErr EQU -8966 ; the compressed data must be in memory (spooling did not work) codecAbortErr EQU -8967 ; the operation was aborted by the progress proc codecWouldOffscreenErr EQU -8968 ; an offscreen access would have been used, but wasn't allowed because codecFlagDontOffscreen was set codecBadDataErr EQU -8969 ; compressed data was found to have inconsistencies codecDataVersErr EQU -8970 ; compressed data was of a format version that codec couldn't handle codecMinimumDataSize EQU 16384 ; The minimum data size for spooling in or out data compressorComponentType EQU 'imco' ; the type for "Components" which compress images decompressorComponentType EQU 'imdc' ; the type for "Components" which decompress images codecCompletionSource EQU 1 codecCompletionDest EQU 2 codecProgressOpen EQU 0 codecProgressUpdatePercent EQU 1 codecProgressClose EQU 2 ProgressProcRecord RECORD 0 progressProc DS.L 1 progressRefCon DS.L 1 size EQU * ENDR CompletionProcRecord RECORD 0 completionProc DS.L 1 completionRefCon DS.L 1 size EQU * ENDR DataProcRecord RECORD 0 dataProc DS.L 1 dataRefCon DS.L 1 size EQU * ENDR FlushProcRecord RECORD 0 flushProc DS.L 1 flushRefCon DS.L 1 size EQU * ENDR ; ; The ImageDescription is private data which is produced when an image or sequence ; is compressed. It fully describes the format of the compressed data. ImageDescription RECORD 0 idSize DS.L 1 ; total size of ImageDescription including extra data ( CLUTs and other per sequence data cType DS.L 1 ; what kind of codec compressed this data resvd1 DS.L 1 ; reserved for apple use resvd2 DS.W 1 ; reserved for apple use dataRefIndex DS.W 1 ; set to zero version DS.W 1 ; which version is this data revisionLevel DS.W 1 ; what version of that codec did this vendor DS.L 1 ; whose codec compressed this data temporalQuality DS.L 1 ; what was the temporal quality factor spatialQuality DS.L 1 ; what was the spatial quality factor width DS.W 1 ; how many pixels wide is this data height DS.W 1 ; how many pixels high is this data hRes DS.L 1 ; horizontal resolution vRes DS.L 1 ; vertical resolution dataSize DS.L 1 ; if known, the size of data for this image descriptor frameCount DS.W 1 ; number of frames this description applies to name DS.B 32 ; name of codec ( in case not installed ) depth DS.W 1 ; what depth is this data (1-32) or ( 33-40 grayscale ) clutID DS.W 1 ; clut id or if 0 clut follows or -1 if no clut size EQU * ENDR ; ; The CodecInfo is the information returned as the codecInfo struct by a codec Component ; to the codec manager or to the caller. It is specific to the particular codec ; implementation and not to the codec type. CodecInfo RECORD 0 typeName DS.B 32 ; name of the codec type i.e.: 'Apple Image Compression' version DS.W 1 ; version of the codec data that this codec knows about revisionLevel DS.W 1 ; revision level of this codec i.e: 0x00010001 (1.0.1) vendor DS.L 1 ; Maker of this codec i.e: 'appl' decompressFlags DS.L 1 ; codecInfo flags for decompression capabilities compressFlags DS.L 1 ; codecInfo flags for compression capabilities formatFlags DS.L 1 ; codecInfo flags for compression format details compressionAccuracy DS.B 1 ; measure (1-255) of accuracy of this codec for compress (0 if unknown) decompressionAccuracy DS.B 1 ; measure (1-255) of accuracy of this codec for decompress (0 if unknown) compressionSpeed DS.W 1 ; ( millisecs for compressing 320x240 on base mac II) (0 if unknown) decompressionSpeed DS.W 1 ; ( millisecs for decompressing 320x240 on mac II)(0 if unknown) compressionLevel DS.B 1 ; measure (1-255) of compression level of this codec (0 if unknown) resvd DS.B 1 ; pad minimumHeight DS.W 1 ; minimum height of image (block size) minimumWidth DS.W 1 ; minimum width of image (block size) decompressPipelineLatency DS.W 1 ; in milliseconds ( for asynchronous codecs ) compressPipelineLatency DS.W 1 ; in milliseconds ( for asynchronous codecs ) privateData DS.L 1 size EQU * ENDR ; Table used for fast dithering. DitherTable RECORD 0 tag DS.L 1 seed DS.L 1 reserved DS.L 1 data DS.B 1 size EQU * ENDR ; Name list returned by GetCodecNameList. CodecNameSpec RECORD 0 codec DS.L 1 cType DS.L 1 typeName DS.B 32 name DS.L 1 size EQU * ENDR CodecNameSpecList RECORD 0 count DS.W 1 list DS.L 1 size EQU * ENDR ; Matrix stuff MatrixRecord RECORD 0 matrix DS.L 3 size EQU * ENDR FixedPoint RECORD 0 x DS.L 1 y DS.L 1 size EQU * ENDR FixedRect RECORD 0 left DS.L 1 top DS.L 1 right DS.L 1 bottom DS.L 1 size EQU * ENDR MACRO _CodecManagerVersion MOVEQ #$00,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _GetCodecNameList MOVEQ #$01,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _GetCodecInfo MOVEQ #$03,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _GetMaxCompressionSize MOVEQ #$04,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _GetCompressionTime MOVEQ #$05,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _CompressImage MOVEQ #$06,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _FCompressImage MOVEQ #$07,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _DecompressImage MOVEQ #$08,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _FDecompressImage MOVEQ #$09,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _CompressSequenceBegin MOVEQ #$0A,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _CompressSequenceFrame MOVEQ #$0B,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _DecompressSequenceBegin MOVEQ #$0D,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _DecompressSequenceFrame MOVEQ #$0E,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _SetDSequenceMatrix MOVEQ #$10,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _SetDSequenceMatte MOVEQ #$11,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _SetDSequenceMask MOVEQ #$12,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _SetDSequenceTransferMode MOVEQ #$13,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _SetDSequenceDataProc MOVEQ #$14,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _SetDSequenceAccuracy MOVEQ #$34,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _SetDSequenceSrcRect MOVEQ #$35,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _GetDSequenceImageBuffer MOVEQ #$15,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _GetDSequenceScreenBuffer MOVEQ #$16,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _SetCSequenceQuality MOVEQ #$17,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _SetCSequencePrev MOVEQ #$18,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _SetCSequenceFlushProc MOVEQ #$33,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _SetCSequenceKeyFrameRate MOVEQ #$36,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _GetCSequencePrevBuffer MOVEQ #$19,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _CDSequenceBusy MOVEQ #$1A,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _CDSequenceEnd MOVEQ #$1B,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _GetCompressedImageSize MOVEQ #$1C,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _GetSimilarity MOVEQ #$1D,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _GetImageDescriptionCTable MOVEQ #$1E,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _SetImageDescriptionCTable MOVEQ #$1F,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _GetImageDescriptionExtension MOVEQ #$20,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _SetImageDescriptionExtension MOVEQ #$21,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _FindCodec MOVEQ #$23,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _CompressPicture MOVEQ #$24,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _FCompressPicture MOVEQ #$25,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _CompressPictureFile MOVEQ #$26,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _FCompressPictureFile MOVEQ #$27,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _GetPictureFileHeader MOVEQ #$28,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _DrawPictureFile MOVEQ #$29,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _DrawTrimmedPicture MOVEQ #$2E,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _DrawTrimmedPictureFile MOVEQ #$2F,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _MakeThumbnailFromPicture MOVEQ #$2A,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _MakeThumbnailFromPictureFile MOVEQ #$2B,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _MakeThumbnailFromPixMap MOVEQ #$2C,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _TrimImage MOVEQ #$2D,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _ConvertImage MOVEQ #$30,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _MakeDitherTable MOVEQ #$31,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _DisposeDitherTable MOVEQ #$32,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _GetCompressedPixMapInfo MOVEQ #$37,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _SetCompressedPixMapInfo MOVEQ #$38,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _GetMatrixType MOVEQ #$14,D0 DC.W $ABC2 ; TB 03C2 ENDM MACRO _CopyMatrix MOVEQ #$20,D0 DC.W $ABC2 ; TB 03C2 ENDM MACRO _EqualMatrix MOVEQ #$21,D0 DC.W $ABC2 ; TB 03C2 ENDM MACRO _SetIdentityMatrix MOVEQ #$15,D0 DC.W $ABC2 ; TB 03C2 ENDM MACRO _TranslateMatrix MOVEQ #$19,D0 DC.W $ABC2 ; TB 03C2 ENDM MACRO _TranslateMatrixTo MOVEQ #$1A,D0 DC.W $ABC2 ; TB 03C2 ENDM MACRO _RotateMatrix MOVEQ #$16,D0 DC.W $ABC2 ; TB 03C2 ENDM MACRO _ScaleMatrix MOVEQ #$17,D0 DC.W $ABC2 ; TB 03C2 ENDM MACRO _SkewMatrix MOVEQ #$18,D0 DC.W $ABC2 ; TB 03C2 ENDM MACRO _TransformFixedPoints MOVEQ #$22,D0 DC.W $ABC2 ; TB 03C2 ENDM MACRO _TransformPoints MOVEQ #$23,D0 DC.W $ABC2 ; TB 03C2 ENDM MACRO _TransformFixedRect MOVEQ #$24,D0 DC.W $ABC2 ; TB 03C2 ENDM MACRO _TransformRect MOVEQ #$25,D0 DC.W $ABC2 ; TB 03C2 ENDM MACRO _TransformRgn MOVEQ #$39,D0 DC.W $AAA3 ; TB 02A3 ENDM MACRO _InverseMatrix MOVEQ #$1C,D0 DC.W $ABC2 ; TB 03C2 ENDM MACRO _ConcatMatrix MOVEQ #$1B,D0 DC.W $ABC2 ; TB 03C2 ENDM MACRO _RectMatrix MOVEQ #$1E,D0 DC.W $ABC2 ; TB 03C2 ENDM MACRO _MapMatrix MOVEQ #$1D,D0 DC.W $ABC2 ; TB 03C2 ENDM MACRO _AlignMatrix MOVEQ #$1F,D0 DC.W $ABC2 ; TB 03C2 ENDM ENDIF ; ...already included