Summary of Sequence Grabber Channel Components
C Summary
Constants
/* sequence grabber channel component type */ #define SeqGrabChannelType 'sgch' /* device list structure flags */ #define sgDeviceListWithIcons (1) /* include icons */ #define sgDeviceListDontCheckAvailability (2) /* don't check available */ /* data function write operation types */ enum { seqGrabWriteAppend, /* append to file */ seqGrabWriteReserve, /* reserve space in file */ seqGrabWriteFill /* fill reserved space */ }; /* flags for SGSetChannelPlayFlags and SGGetChannelPlayFlags functions */ #define channelPlayNormal 0 /* use default playback methodology */ #define channelPlayFast 1 /* achieve fast playback rate */ #define channelPlayHighQuality 2 /* achieve high-quality image */ #define channelPlayAllData 4 /* play all captured data */ /* usage flags for SGSetChannelUsage and SGGetChannelUsage functions */ enum { seqGrabRecord = 1, /* used during record operations */ seqGrabPreview = 2, /* used during preview operations */ seqGrabPlayDuringRecord = 4 /* plays data during record operation */ }; typedef unsigned char SeqGrabUsageEnum; /* SGGetChannelInfo function flags */ enum { seqGrabHasBounds = 1, /* visual representation of data */ seqGrabHasVolume = 2, /* audio representation of data */ seqGrabHasDiscreteSamples = 4 /* data organized in discrete frames */ }; typedef unsigned char SeqGrabChannelInfoEnum; /* basic sequence grabber channel component selectors */ kSGSetGWorldSelect = 0x4; /* SetGWorld */ kSGStartPreviewSelect = 0x10; /* SGStartPreview */ kSGStartRecordSelect = 0x11; /* SGStartRecord */ kSGIdleSelect = 0x12; /* SGIdle */ kSGStopSelect = 0x13; /* SGStop */ kSGPauseSelect = 0x14; /* SGPause */ kSGPrepareSelect = 0x15; /* SGPrepare */ kSGReleaseSelect = 0x16; /* SGRelease */ kSGUpdateSelect = 0x27; /* SGUpdate */ /* selectors for common channel configuration functions */ kSGCSetChannelUsageSelect = 0x80; /* SGSetChannelUsage */ kSGCGetChannelUsageSelect = 0x81; /* SGGetChannelUsage */ kSGCSetChannelBoundsSelect = 0x82; /* SGSetChannelBounds */ kSGCGetChannelBoundsSelect = 0x83; /* SGGetChannelBounds */ kSGCSetChannelVolumeSelect = 0x84; /* SGSetChannelVolume */ kSGCGetChannelVolumeSelect = 0x85; /* SGGetChannelVolume */ kSGCGetChannelInfoSelect = 0x86; /* SGGetChannelInfo */ kSGCSetChannelPlayFlagsSelect = 0x87; /* SGSetChannelPlayFlags */ kSGCGetChannelPlayFlagsSelect = 0x88; /* SGGetChannelPlayFlags */ kSGCSetChannelMaxFramesSelect = 0x89; /* SGSetChannelMaxFrames */ kSGCGetChannelMaxFramesSelect = 0x8A; /* SGGetChannelMaxFrames */ kSGCSetChannelRefConSelect = 0x8B; /* SGSetChannelRefCon */ kSGCSetChannelClipSelect = 0x8C; /* SGSetChannelClip */ kSGCGetChannelClipSelect = 0x8D; /* SGGetChannelClip */ kSGCGetChannelSampleDescriptionSelect = 0x8E; /* SGCGetChannelSampleDescription */ kSGCGetChannelDeviceListSelect = 0x8F; /* SGCGetChannelDeviceList */ kSGCSetChannelDeviceSelect = 0x90; /* SGCSetChannelDevice */ kSGCSetChannelMatrixSelect = 0x91; /* SGCSetChannelMatrix */ kSGCGetChannelMatrixSelect = 0x92; /* SGCGetChannelMatrix */ kSGCGetChannelTimeScaleSelect = 0x93; /* SGCGetChannelTimeScale */ /* selectors for video channel configuration functions */ kSGCGetSrcVideoBoundsSelect = 0x100; /* SGCGetSrcVideoBounds */ kSGCSetVideoRectSelect = 0x101; /* SGCSetVideoRect */ kSGCGetVideoRectSelect = 0x102; /* SGCGetVideoRect */ kSGCGetVideoCompressorTypeSelect = 0x103; /* SGCGetVideoCompressorType */ kSGCSetVideoCompressorTypeSelect = 0x104; /* SGCSetVideoCompressorType */ kSGCSetVideoCompressorSelect = 0x105; /* SGCSetVideoCompressor */ kSGCGetVideoCompressorSelect = 0x106; /* SGCGetVideoCompressor */ kSGCGetVideoDigitizerComponentSelect= 0x107; /* SGCGetVideoDigitizerComponent */ kSGCSetVideoDigitizerComponentSelect= 0x108; /* SGCSetVideoDigitizerComponent */ kSGCVideoDigitizerChangedSelect = 0x109; /* SGCVideoDigitizerChanged */ kSGCSetVideoBottlenecksSelect = 0x10a; /* SGCSetVideoBottlenecks */ kSGCGetVideoBottlenecksSelect = 0x10b; /* SGCGetVideoBottlenecks */ kSGCGrabFrameSelect = 0x10c; /* SGCGrabFrame */ kSGCGrabFrameCompleteSelect = 0x10d; /* SGCGrabFrameComplete */ kSGCDisplayFrameSelect = 0x10e; /* SGCDisplayFrame */ kSGCCompressFrameSelect = 0x10f; /* SGCCompressFrame */ kSGCCompressFrameCompleteSelect = 0x110; /* SGCCompressFrameComplete */ kSGCAddFrameSelect = 0x111; /* SGCAddFrame */ kSGCTransferFrameForCompressSelect = 0x112; /* SGCTransferFrameForCompress */ kSGCSetCompressBufferSelect = 0x113; /* SGCSetCompressBuffer */ kSGCGetCompressBufferSelect = 0x114; /* SGCGetCompressBuffer */ kSGCGetBufferInfoSelect = 0x115; /* SGCGetBufferInfo */ kSGCSetUseScreenBufferSelect = 0x116; /* SGCSetUseScreenBuffer */ kSGCGetUseScreenBufferSelect = 0x117; /* SGCGetUseScreenBuffer */ kSGCGrabCompressCompleteSelect = 0x118; /* SGCGrabCompressComplete */ kSGCDisplayCompressSelect = 0x119; /* SGCDisplayCompress */ kSGCSetFrameRateSelect = 0x11A; /* SGCSetFrameRate */ kSGCGetFrameRateSelect = 0x11B; /* SGCGetFrameRate */ /* selectors for sound channel configuration functions */ kSGCSetSoundInputDriverSelect = 0x100; /* SGCSetSoundInputDriver */ kSGCGetSoundInputDriverSelect = 0x101; /* SGCGetSoundInputDriver */ kSGCSoundInputDriverChangedSelect = 0x102; /* SGCSoundInputDriverChanged */ kSGCSetSoundRecordChunkSizeSelect = 0x103; /* SGCSetSoundRecordChunkSize */ kSGCGetSoundRecordChunkSizeSelect = 0x104; /* SGCGetSoundRecordChunkSize */ kSGCSetSoundInputRateSelect = 0x105; /* SGCSetSoundInputRate */ kSGCGetSoundInputRateSelect = 0x106; /* SGCGetSoundInputRate */ kSGCSetSoundInputParametersSelect = 0x107; /* SGCSetSoundInputParameters */ kSGCGetSoundInputParametersSelect = 0x108; /* SGCGetSoundInputParameters */ /* selectors for channel control functions */ kSGCInitChannelSelect = 0x180; /* SGCInitChannel */ kSGCWriteSamplesSelect = 0x181; /* SGCWriteSamples */ kSGCGetDataRateSelect = 0x182; /* SGCDataRate */ kSGCAlignChannelRectSelect = 0x183; /* SGAlignChannelRect */ }; /* values for pause parameter of SGPause function */ enum { seqGrabUnpause = 0, /* restart the current operation */ seqGrabPause = 1, /* pause the current operation */ };Data Types
struct SeqGrabFrameInfo { long frameOffset; /* offset to the sample */ long frameTime; /* time that frame was captured */ long frameSize; /* number of bytes in sample */ SGChannel frameChannel; /* current connection to channel */ long frameRefCon; /* reference constant for channel */ }; typedef struct SGDeviceListRecord { short count; /* count of devices */ short selectedIndex; /* current device */ long reserved; /* set to 0 */ SGDeviceName entry[1]; /* device names */ } SGDeviceListRecord, *SGDeviceListPtr, **SGDeviceList; typedef struct SGDeviceName { Str63 name; /* device name */ Handle icon; /* device icon */ long flags; /* flags */ long refCon; /* set to 0 */ long reserved; /* set to 0 */ } SGDeviceName;Functions
Configuring Sequence Grabber Channel Components
pascal ComponentResult SGInitChannel (SGChannel c, SeqGrabComponent owner); pascal ComponentResult SGSetGWorld (SeqGrabComponent s, CGrafPtr gp, GDHandle gd);Controlling Sequence Grabber Channel Components
pascal ComponentResult SGStartPreview (SeqGrabComponent s); pascal ComponentResult SGStartRecord (SeqGrabComponent s); pascal ComponentResult SGIdle (SeqGrabComponent s); pascal ComponentResult SGUpdate (SeqGrabComponent s, RgnHandle updateRgn); pascal ComponentResult SGStop (SeqGrabComponent s); pascal ComponentResult SGWriteSamples (SGChannel c, Movie m, AliasHandle theFile); pascal ComponentResult SGPause (SeqGrabComponent s, Byte pause); pascal ComponentResult SGPrepare (SeqGrabComponent s, Boolean prepareForPreview, Boolean prepareForRecord); pascal ComponentResult SGRelease (SeqGrabComponent s);Configuration Functions for All Channel Components
pascal ComponentResult SGSetChannelUsage (SGChannel c, long usage); pascal ComponentResult SGGetChannelUsage (SGChannel c, long *usage); pascal ComponentResult SGGetChannelInfo (SGChannel c, long *channelInfo); pascal ComponentResult SGSetChannelPlayFlags (SGChannel c, long playFlags); pascal ComponentResult SGGetChannelPlayFlags (SGChannel c, long *playFlags); pascal ComponentResult SGSetChannelMaxFrames (SGChannel c, long frameCount); pascal ComponentResult SGGetChannelMaxFrames (SGChannel c, long *frameCount); pascal ComponentResult SGSetChannelRefCon (SGChannel c, long refCon); pascal ComponentResult SGGetDataRate (SGChannel c, long *bytesPerSecond); pascal ComponentResult SGGetChannelSampleDescription (SGChannel c, Handle sampleDesc); pascal ComponentResult SGGetChannelTimeScale (SGChannel c, TimeScale *scale); pascal ComponentResult SGSetChannelClip (SGChannel c, RgnHandle theClip); pascal ComponentResult SGGetChannelClip (SGChannel c, RgnHandle *theClip); pascal ComponentResult SGSetChannelMatrix (SGChannel c, const MatrixRecord *m); pascal ComponentResult SGGetChannelMatrix (SGChannel c, MatrixRecord *m);Working With Channel Devices
pascal ComponentResult SGGetChannelDeviceList (SGChannel c, long selectionFlags, SGDeviceList *list); pascal ComponentResult SGSetChannelDevice (SGChannel c, StringPtr name);Configuration Functions for Video Channel Components
pascal ComponentResult SGSetChannelBounds (SGChannel c, Rect *bounds); pascal ComponentResult SGGetChannelBounds (SGChannel c, const Rect *bounds); pascal ComponentResult SGGetSrcVideoBounds (SGChannel c, Rect *r); pascal ComponentResult SGSetVideoRect (SGChannel c, Rect *r); pascal ComponentResult SGGetVideoRect (SGChannel c, Rect *r); pascal ComponentResult SGSetVideoCompressorType (SGChannel c, OSType compressorType); pascal ComponentResult SGGetVideoCompressorType(SGChannel c, OSType *compressorType);pascal ComponentResult SGSetVideoCompressor(SGChannel c, short depth, CompressorComponent compressor, CodecQ spatialQuality, CodecQ temporalQuality, long keyFrameRate);pascal ComponentResult SGGetVideoCompressor(SGChannel c, short *depth, CompressorComponent *compressor, CodecQ *spatialQuality, CodecQ *temporalQuality, long *keyFrameRate);pascal ComponentResult SGSetVideoDigitizerComponent(SGChannel c, ComponentInstance vdig);pascal ComponentInstance SGGetVideoDigitizerComponent(SGChannel c);pascal ComponentResult SGVideoDigitizerChanged(SGChannel c);pascal ComponentResult SGSetCompressBuffer(SGChannel c, short depth, const Rect *compressSize);pascal ComponentResult SGGetCompressBuffer(SGChannel c, short *depth, Rect *compressSize);pascal ComponentResult SGSetFrameRate (SGChannel c, Fixed frameRate); pascal ComponentResult SGGetFrameRate (SGChannel c, Fixed *frameRate); pascal ComponentResult SGSetUseScreenBuffer (SGChannel c, Boolean useScreenBuffer); pascal ComponentResult SGGetUseScreenBuffer (SGChannel c, Boolean *useScreenBuffer); pascal ComponentResult SGAlignChannelRect (SGChannel c, Rect *r);Configuration Functions for Sound Channel Components
pascal ComponentResult SGSetChannelVolume (SGChannel c, short volume); pascal ComponentResult SGGetChannelVolume (SGChannel c, short *volume); pascal ComponentResult SGSetSoundInputDriver (SGChannel c, const Str255 driverName); pascal long SGGetSoundInputDriver (SGChannel c); pascal ComponentResult SGSoundInputDriverChanged (SGChannel c); pascal ComponentResult SGSetSoundRecordChunkSize (SGChannel c, long seconds); pascal long SGGetSoundRecordChunkSize (SGChannel c); pascal ComponentResult SGSetSoundInputRate (SGChannel c, Fixed rate); pascal Fixed SGGetSoundInputRate (SGChannel c); pascal ComponentResult SGSetSoundInputParameters (SGChannel c, short sampleSize, short numChannels, OSType compressionType); pascal ComponentResult SGGetSoundInputParameters (SGChannel c, short *sampleSize, short *numChannels, OSType *compressionType);Utility Functions for Sequence Grabber Channel Components
pascal ComponentResult SGAddMovieData (SeqGrabComponent s, SGChannel c, Ptr p, long len, long *offset, long chRefCon, TimeValue time, short writeType); pascal ComponentResult SGWriteMovieData(SeqGrabComponent s, SGChannel c, Ptr p, long len, long *offset);pascal ComponentResult SGAddFrameReference(SeqGrabComponent s, SeqGrabFrameInfo *frameInfo); pascal ComponentResult SGGetNextFrameReference(SeqGrabComponent s, SeqGrabFrameInfo *frameInfo, TimeValue *frameDuration, long *frameNumber);pascal ComponentResult SGSortDeviceList (SeqGrabComponent s, SGDeviceList list); pascal ComponentResult SGChangedSource (SeqGrabComponent s, SGChannel c);Pascal Summary
Constants
CONST SeqGrabChannelType = 'sgch';{sequence grabber channel component type} {device list structure flags} sgDeviceListWithIcons = 1; {include icons} sgDeviceListDontCheckAvailability = 2; {don't check available } { device list} {flags for SGSetChannelPlayFlags and SGGetChannelPlayFlags functions} channelPlayNormal = 0 {use default play methodology} channelPlayFast = 1; {sacrifice playback quality } { for specified rate} channelPlayHighQuality = 2; {sacrifice playback rate } { for image quality} channelPlayAllData = 4; {play all captured data } { including that stored in } { offscreen buffers} {flags for SGSetChannelUsage and SGGetChannelUsage functions} seqGrabRecord = 1; {used during record operations} seqGrabPreview = 2; {used during preview operations} seqGrabPlayDuringRecord = 4; {used during record operations} {SGGetChannelInfo function flags} seqGrabHasBounds = 1; {visual representation of data} seqGrabHasVolume = 2; {audio representation of data} seqGrabHasDiscreteSamples = 4; {data organized in discrete frames} {basic sequence grabber channel component selectors} kSGSetGWorldSelect = $4; {SGSetGWorld} kSGStartPreviewSelect = $10; {SGStartPreview} kSGStartRecordSelect = $11; {SGStartRecord} kSGIdleSelect = $12; {SGIdle} kSGStopSelect = $13; {SGStop} kSGPauseSelect = $14; {SGPause} kSGPrepareSelect = $15; {SGPrepare} kSGReleaseSelect = $16; {SGRelease} kSGUpdateSelect = $27; {SGUpdate} {selectors for common channel configuration functions} kSGCSetChannelUsageSelect = $80; {SGCSetChannelUsage} kSGCGetChannelUsageSelect = $81; {SGCGetChannelUsage} kSGCSetChannelBoundsSelect = $82; {SGCSetChannelBounds} kSGCGetChannelBoundsSelect = $83; {SGCGetChannelBounds} kSGCSetChannelVolumeSelect = $84; {SGCSetChannelVolume} kSGCGetChannelVolumeSelect = $85; {SGCGetChannelVolume} kSGCGetChannelInfoSelect = $86; {SGCGetChannelInfo} kSGCSetChannelPlayFlagsSelect = $87; {SGCSetChannelPlayFlags} kSGCGetChannelPlayFlagsSelect = $88; {SGCGetChannelPlayFlags} kSGCSetChannelMaxFramesSelect = $89; {SGCSetChannelMaxFrames} kSGCGetChannelMaxFramesSelect = $8A; {SGCGetChannelMaxFrames} kSGCSetChannelRefConSelect = $8B; {SGCSetChannelRefCon} kSGCSetChannelClipSelect = $8C; {SGSetChannelClip} kSGCGetChannelClipSelect = $8D; {SGGetChannelClip} kSGCGetChannelSampleDescriptionSelect = $8E; {SGCGetChannelSampleDescription} kSGCGetChannelDeviceListSelect = $8F; {SGCGetChannelDeviceList} kSGCSetChannelDeviceSelect = $90; {SGCSetChannelDevice} kSGCSetChannelMatrixSelect = $91; {SGCSetChannelMatrix} kSGCGetChannelMatrixSelect = $92; {SGCGetChannelMatrix} kSGCGetChannelTimeScaleSelect = $93; {SGCGetChannelTimeScale} {selectors for video channel configuration functions} kSGCGetSrcVideoBoundsSelect = $100; {SGCGetSrcVideoBounds} kSGCSetVideoRectSelect = $101; {SGCSetVideoRect} kSGCGetVideoRectSelect = $102; {SGCGetVideoRect} kSGCGetVideoCompressorTypeSelect = $103; {SGCGetVideoCompressorType} kSGCSetVideoCompressorTypeSelect = $104; {SGCSetVideoCompressorType} kSGCSetVideoCompressorSelect = $105; {SGCSetVideoCompressor} kSGCGetVideoCompressorSelect = $106; {SGCGetVideoCompressor} kSGCGetVideoDigitizerComponentSelect= $107; {SGCGetVideoDigitizerComponent} kSGCSetVideoDigitizerComponentSelect= $108; {SGCSetVideoDigitizerComponent} kSGCVideoDigitizerChangedSelect = $109; {SGCVideoDigitizerChanged} kSGCSetVideoBottlenecksSelect = $10A; {SGCSetVideoBottlenecks} kSGCGetVideoBottlenecksSelect = $10B; {SGCGetVideoBottlenecks} kSGCGrabFrameSelect = $10C; {SGCGrabFrame} kSGCGrabFrameCompleteSelect = $10D; {SGCGrabFrameComplete} kSGCDisplayFrameSelect = $10E; {SGCDisplayFrame} kSGCCompressFrameSelect = $10F; {SGCCompressFrame} kSGCCompressFrameCompleteSelect = $110; {SGCCompressFrameComplete} kSGCAddFrameSelect = $111; {SGCAddFrame} kSGCTransferFrameForCompressSelect = $112; {SGCTransferFrameForCompress} kSGCSetCompressBufferSelect = $113; {SGCSetCompressBuffer} kSGCGetCompressBufferSelect = $114; {SGCGetCompressBuffer} kSGCGetBufferInfoSelect = $115; {SGCGetBufferInfo} kSGCSetUseScreenBufferSelect = $116; {SGCSetUseScreenBuffer} kSGCGetUseScreenBufferSelect = $117; {SGCGetUseScreenBuffer} kSGCGrabCompressCompleteSelect = $118; {SGCGrabCompressComplete} kSGCDisplayCompressSelect = $119; {SGCDisplayCompress} kSGCSetFrameRateSelect = $11A; {SGCSetFrameRate} kSGCGetFrameRateSelect = $11B; {SGCGetFrameRate} {selectors for sound channel configuration functions} kSGCSetSoundInputDriverSelect = $100; {SGCSetSoundInputDriver} kSGCGetSoundInputDriverSelect = $101; {SGCGetSoundInputDriver} kSGCSoundInputDriverChangedSelect = $102; {SGCSoundInputDriverChanged} kSGCSetSoundRecordChunkSizeSelect = $103; {SGCSetSoundRecordChunkSize} kSGCGetSoundRecordChunkSizeSelect = $104; {SGCGetSoundRecordChunkSize} kSGCSetSoundInputRateSelect = $105; {SGCSetSoundInputRate} kSGCGetSoundInputRateSelect = $106; {SGCGetSoundInputRate} kSGCSetSoundInputParametersSelect = $107; {SGCSetSoundInputParameters} kSGCGetSoundInputParametersSelect = $108; {SGCGetSoundInputParameters} {selectors for channel control functions} kSGCInitChannelSelect = $180; {SGCInitChannel} kSGCWriteSamplesSelect = $181; {SGCWriteSamples} kSGCGetDataRateSelect = $182; {SGCDataRate} {values for the pause parameter of the SGPause function} seqGrabUnpause = 0; {restart current operation} seqGrabPause = 1; {pause the current operation}Data Types
TYPE SeqGrabFrameInfo = RECORD frameOffset: LongInt; {offset to the sample} frameTime: LongInt; {time that frame was captured} frameChannel: SGChannel; {current connection to channel} frameRefCon: LongInt; {reference constant for channel} END; SGDeviceListPtr = ^SGDeviceListRecord; SGDeviceList = ^SGDeviceListPtr; SGDeviceListRecord = RECORD count: Integer; {count of devices} selectedIndex: Integer; {current device} reserved: LongInt; {set to 0} entry: ARRAY[0..] OF SGDeviceName; {device names} END; SGDeviceName = RECORD name: Str63; {device name} icon: Handle; {device icon} flags: LongInt; {flags} refCon: LongInt; {set to 0} reserved: LongInt; {set to 0} } END;Routines
Configuring Sequence Grabber Channel Components
FUNCTION SGInitChannel (c: SGChannel; owner: SeqGrabComponent): ComponentResult; FUNCTION SGSetGWorld (s: SeqGrabComponent; gp: CGrafPtr; gd: GDHandle): ComponentResult;Controlling Sequence Grabber Channel Components
FUNCTION SGStartPreview (s: SeqGrabComponent): ComponentResult; FUNCTION SGStartRecord (s: SeqGrabComponent): ComponentResult; FUNCTION SGIdle (s: SeqGrabComponent): ComponentResult; FUNCTION SGUpdate(s SeqGrabComponent; updateRgn RgnHandle): ComponentResult; FUNCTION SGStop (s: SeqGrabComponent): ComponentResult; FUNCTION SGWriteSamples (c: SGChannel; m: Movie; theFile: AliasHandle): ComponentResult; FUNCTION SGPause (s: SeqGrabComponent; pause: Byte): ComponentResult; FUNCTION SGPrepare (s: SeqGrabComponent; prepareForPreview: Boolean; prepareForRecord: Boolean): ComponentResult; FUNCTION SGRelease (s: SeqGrabComponent): ComponentResult;Configuration Routines for All Channel Components
FUNCTION SGSetChannelUsage (c: SGChannel; usage: LongInt): ComponentResult; FUNCTION SGGetChannelUsage (c: SGChannel; VAR usage: LongInt): ComponentResult; FUNCTION SGGetChannelInfo (c: SGChannel; VAR channelInfo: LongInt): ComponentResult; FUNCTION SGSetChannelPlayFlags (c: SGChannel; playFlags: LongInt): ComponentResult; FUNCTION SGGetChannelPlayFlags (c: SGChannel; VAR playFlags: LongInt): ComponentResult; FUNCTION SGSetChannelMaxFrames (c: SGChannel; frameCount: LongInt): ComponentResult; FUNCTION SGGetChannelMaxFrames (c: SGChannel; VAR frameCount: LongInt): ComponentResult; FUNCTION SGSetChannelRefCon (c: SGChannel; refCon: LongInt): ComponentResult; FUNCTION SGGetDataRate (c: SGChannel; VAR bytesPerSecond: LongInt): ComponentResult; FUNCTION SGGetChannelSampleDescription (c: SGChannel; sampleDesc: Handle): ComponentResult; FUNCTION SGGetChannelTimeScale (c: SGChannel; VAR scale: TimeScale): ComponentResult; FUNCTION SGSetChannelClip(c: SGChannel; theClip: RgnHandle): ComponentResult; FUNCTION SGGetChannelClip(c: SGChannel; VAR theClip: RgnHandle): ComponentResult; FUNCTION SGSetChannelMatrix (c: SGChannel; VAR m: MatrixRecord): ComponentResult; FUNCTION SGGetChannelMatrix (c: SGChannel; VAR m: MatrixRecord): ComponentResult;Working With Channel Devices
FUNCTION SGGetChannelDeviceList (c: SGChannel; selectionFlags: LongInt; VAR list: SGDeviceList): ComponentResult; FUNCTION SGSetChannelDevice (c: SGChannel; name: StringPtr): ComponentResult;Configuration Routines for Video Channel Components
FUNCTION SGSetChannelBounds (c: SGChannel; bounds: Rect): ComponentResult; FUNCTION SGGetChannelBounds (c: SGChannel; VAR bounds: Rect): ComponentResult; FUNCTION SGGetSrcVideoBounds (c: SGChannel; VAR r: Rect): ComponentResult; FUNCTION SGSetVideoRect (c: SGChannel; r: Rect): ComponentResult; FUNCTION SGGetVideoRect (c: SGChannel; VAR r: Rect): ComponentResult; FUNCTION SGSetVideoCompressorType (c: SGChannel; compressorType: OSType): ComponentResult; FUNCTION SGGetVideoCompressorType (c: SGChannel; VAR compressorType: OSType): ComponentResult; FUNCTION SGSetVideoCompressor (c: SGChannel; depth: Integer; compressor: CompressorComponent; spatialQuality: CodecQ; temporalQuality: CodecQ; keyFrameRate: LongInt): ComponentResult; FUNCTION SGGetVideoCompressor (c: SGChannel; VAR depth: Integer; VAR compressor: CompressorComponent; VAR spatialQuality: CodecQ; VAR temporalQuality: CodecQ; VAR keyFrameRate: LongInt): ComponentResult; FUNCTION SGSetVideoDigitizerComponent (c: SGChannel; vdig: ComponentInstance): ComponentResult; FUNCTION SGGetVideoDigitizerComponent (c: SGChannel): ComponentInstance; FUNCTION SGVideoDigitizerChanged (c: SGChannel): ComponentResult; FUNCTION SGSetCompressBuffer (c: SGChannel; depth: Integer; compressSize: Rect): ComponentResult; FUNCTION SGGetCompressBuffer (c: SGChannel; VAR depth: Integer; VAR compressSize: Rect): ComponentResult; FUNCTION SGSetFrameRate (c: SGChannel; frameRate: Fixed): ComponentResult; FUNCTION SGGetFrameRate(c: SGChannel; VAR frameRate: Fixed): ComponentResult; FUNCTION SGSetUseScreenBuffer (c: SGChannel; useScreenBuffer: Boolean): ComponentResult; FUNCTION SGGetUseScreenBuffer (c: SGChannel; VAR useScreenBuffer: Boolean): ComponentResult; FUNCTION SGAlignChannelRect (c: SGChannel; VAR r: Rect): ComponentResult;Configuration Routines for Sound Channel Components
FUNCTION SGSetChannelVolume (c: SGChannel; volume: Integer): ComponentResult; FUNCTION SGGetChannelVolume (c: SGChannel; VAR volume: Integer): ComponentResult; FUNCTION SGSetSoundInputDriver (c: SGChannel; driverName: Str255): ComponentResult; FUNCTION SGGetSoundInputDriver (c: SGChannel): LongInt; FUNCTION SGSoundInputDriverChanged (c: SGChannel): ComponentResult; FUNCTION SGSetSoundRecordChunkSize (c: SGChannel; seconds: LongInt): ComponentResult; FUNCTION SGGetSoundRecordChunkSize (c: SGChannel): LongInt; FUNCTION SGSetSoundInputRate (c: SGChannel; rate: Fixed): ComponentResult; FUNCTION SGGetSoundInputRate (c: SGChannel): Fixed; FUNCTION SGSetSoundInputParameters (c: SGChannel; sampleSize: Integer; numChannels: Integer; compressionType: OSType): ComponentResult; FUNCTION SGGetSoundInputParameters (c: SGChannel; VAR sampleSize: Integer; VAR numChannels: Integer; VAR compressionType: OSType): ComponentResult;Utility Routines for Sequence Grabber Channel Components
FUNCTION SGAddMovieData(s: SeqGrabComponent; c: SGChannel; p: Ptr; len: LongInt; VAR offset: LongInt; chRefCon: LongInt; time: TimeValue; writeType: Integer): ComponentResult; FUNCTION SGWriteMovieData (s: SeqGrabComponent; c: SGChannel; p: Ptr; len: LongInt; VAR offset: LongInt): ComponentResult; FUNCTION SGAddFrameReference (s: SeqGrabComponent; VAR frameInfo: SeqGrabFrameInfo): ComponentResult; FUNCTION SGGetNextFrameReference (s: SeqGrabComponent; VAR frameInfo: SeqGrabFrameInfo; VAR frameDuration: TimeValue; VAR frameNumber: LongInt): ComponentResult; FUNCTION SGSortDeviceList(s: SeqGrabComponent; list: SGDeviceList): ComponentResult; FUNCTION SGChangedSource (s: SeqGrabComponent; c: SGChannel): ComponentResult;Result Codes
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