QuickTime 1.6 FeaturesQuickTime QuickTime 1.6 April, 1993This note is a technical discussion of the changes between QuickTime 1.5 and QuickTime 1.6. QuickTime 1.6 introduces some new features, and is more reliable than other QuickTime versions. The note also discusses the new features of QuickTime 1.6's Component Manager.Topics• QuickTime 1.6 Features: Describes how to access the new features.• Component Manager 3.0 Features: Describes how to access the new features.• QuickTime 1.6 Bug Fixes: Describes the bug fixes.QuickTime 1.6 FeaturesThe new features of QuickTime 1.6 are fully described in this note. These new features can be logically divided into two sections: "Features You Get For Free" and "Features You Get With Some Code." This documentation assumes the reader is QuickTime-literate. If this documentation does not suffice, refer to Inside Macintosh: QuickTime and Inside Macintosh: QuickTime Components which are currently available from APDA. In addition, most QuickTime questions are answered through rummaging through the sample code and/or applications on the QuickTime 1.5 CD. Also, the QuickTime 1.0 CD serves as an excellent reference.Features You Get For FreeThis section describes the features of QuickTime 1.6 which are added transparently to QuickTime. In general, your application will not have to do anything to your application for these features. But the user may have to install a specific extension and/or have the appropriate equipment. QuickTime 1.6 exploits these extensions: Sound Manager, Macintosh Easy Open, and ColorSync. In addition, it exploits the CD ROM 300(i), grayscale PowerBooks, Macintosh LC II class machines, Quadras, and stereo output devices. The exact nature of the exploitation is discussed in the various sections below.Reduced Memory FootprintQuickTime 1.6 code has been segmented. QuickTime's code segmentation allows unused code segments to be unloaded when not in use. QuickTime 1.6 uses less than 18k when installed whereas QuickTime 1.5 used approximately 160k.Because of this segmentation, substantially less memory is required for movie playback. If applications are not using a particular functionality, the corresponding code segments may be unloaded. For example, movie editing code will not be loaded unless the movie application requires it. Sound Manager 3.0 SupportQuickTime 1.6 is released with the new Sound Manager, Version 3.0. Since the new Sound Manager completely replaces the existing Sound Manager, it will work with all versions of QuickTime and all existing applications. If the Sound Manager 3.0 is installed, QuickTime 1.6 will take advantage of it's new features.You can use QuickTime with the Sound Manager 3.0 in the following ways:• Spit multiple sound tracks into one sound resourceThe best feature of the new Sound Manager is the ability to mix multiple sound tracks into one sound resource.• Play sound more efficientlyThe new Sound Manager lessens the load on the CPU for sound. As a rule of thumb, you will be able to get one extra frame per second for video playback.• Support alternate sound output devicesThis allows you to hook up hardware to your Macintosh for CD quality 16-bit 44 kHz stereo sound output.• Allow better control over multiple sound channelsWith Sound Manager 3.0, sound overdriving is now possible. By setting the movie volume above 1.0, the sound will actually be overdriven. • Support true balance control• Handle sound mixing better, which improves the quality of multiple sound track playback• Use the new Sound Control PanelCompact Video EnhancementCompact Video playback to 16 bit destinations (thousands of colors) is now higher quality. The dithering algorithm has been significantly improved.Audio CD ImportA Movie Import component has been provided which allows you to open Audio CD tracks from QuickTime’s Standard File Preview dialog, just as you could open PICS and AIFF files with QuickTime 1.5. If you have a Apple CD 300 or CD 300i drive, you can use QuickTime 1.6 to convert tracks of your favorite audio CD directly into QuickTime movies. Figure 1. When you try to open an audio track on a CD 300(i), the Open button will change to a Convert… button. When you click this button, the Audio CD Import Options dialog will pop up. With this dialog, you can configure the sound settings of the movie. The rate, size, and channel can be specified for the movie. In addition, you can select the portion of the track which should become a movie. You can select the start time and end time for the track. You can play your selection to be sure you have the selection you want.Text Track ExportA Text Movie Export component lets you easily extract text from movies. With Macintosh Easy Open installed, you can copy a series of text frames from a movie, and paste them directly into any application that supports text, such as MPW.Macintosh Easy Open SupportQuickTime 1.6 fully supports Macintosh Easy Open. Macintosh Easy Open is an Apple system extension which provides document and clipboard translation for all applications. If a user has Macintosh Easy Open installed in combination with QuickTime 1.6, then they can copy and paste various media formats without thought.QuickTime 1.5 contained translation components for importing and exporting movie data from files and the clipboard. QuickTime 1.6 provides a Macintosh Easy Open translation component which makes all QuickTime movie import/export components work automatically with non-QuickTime-aware applications. For example, you can paste a sound track into a Sound Editing application, and it will translate the format from a QuickTime sound movie to a sound file.QuickTime 1.6 includes support for importing sound, PICTs, and PICS. It also supports exporting movies to PICT and sound. Additional MovieImport and MovieExport components can be found on the QuickTime 1.5 Developer CD in the Sample Components folder.Tear-free Movie PlaybackSupport has been added to the Image Compression Manager to reduce the tearing that is visible when playing back movies with large amounts of motion. The feature only works on machines with fast screen access, so it isn’t usually enabled for NuBus video cards. Typically, better tear-free movie playback will be seen on Compact Video movies in 16-bit on a Quadra. A good movie to look to see the improvement is the beginning of “Everybody Loves Me But You” on the QuickTime 1.5 Developer CD.PowerBook Movie Playback EnhancementsThe PowerBooks which use 4-bit gray scale (PowerBook 160, 180, Duo 210, Duo 230) are supported using new fast dithering. All decompressors transparently take advantage of this fast dithering.YUV CodecA YUV Compressor/Decompressor Component has been added to QuickTime 1.6. It stores data in YUV 4:2:2 format. The compression algorithm is not lossless, but the image quality is extremely high. The compression ratio is 2:1. It does not support frame differencing. It is useful with certain video input solutions. In addition, it is also useful as an intermediate storage format if you are applying multiple effects or transitions to an image.By default, YUV does not appear in the Standard Compression dialog. If you hold down the option key when clicking on the compressor list to display the complete list, it will appear.Features You Get With Some CodeThis section describes the features of QuickTime 1.6 which are NOT added transparently to QuickTime. Your application will need new code to take advantage of them. In this section, the use of these features are explained.Movie Toolbox EnhancementsThe Movie Toolbox has three new calls, and two new flags. First, we will talk about the new flag. When using either PasteHandleIntoMovie or ConvertFileToMovieFile to import data into a movie, you can now set the showUserSettingsDialog flag. This will cause the user settings dialog for that import operation to be displayed, if there is one. For example, when importing a picture, this would cause the Standard Compression dialog to be displayed so the compression method could be selected. showUserSettingsDialog = 2hintsHighQuality is a new flag to the SetMoviePlayHints and SetMediaPlayHints routines. It specifies that the given movie or media should render at the highest quality. Rendering at highest quality may take considerably more time and memory. Therefore, this mode is typically not appropriate for real time playback, but is very useful for recompressing as it can generate higher quality images. hintsHighQuality = 1<<8 The high quality mode can be used with other media handlers as well. For example, the Video Media Handler turns off fast dithering and allows high quality dithering. Now we will introduce the three new Movie Toolbox calls.SetMovieDrawingCompleteProcSetMovieDrawingCompleteProc lets you set a call back procedure that is called after a Movie has drawn in one or more of its tracks. In this way, your application can be aware of when QuickTime has drawn frames, and when it hasn’t. This information is very useful when combined with SetTrackGWorld (see below).pascal void SetMovieDrawingCompleteProc(Movie theMovie, MovieDrawingCompleteProcPtr proc, long refCon)theMovie The Movie to set the proc on.proc Your call back procedure, or nil to remove it.refCon Value to pass to your call back procedure.typedef pascal OSErr (*MovieDrawingCompleteProcPtr)(Movie theMovie, long refCon);Errors invalidMovie -2010 Your movie reference is bad.SetTrackGWorldSetTrackGWorld lets you force a track to draw into a particular GWorld. This GWorld may be different from that of the entire movie. After the track has drawn, it calls your transfer procedure to copy the track to the actual movie GWorld. When your transfer procedure is set, the current GWorld is set to the correct destination. You can also install a transfer procedure and set the GWorld to nil. This will result in your transfer procedure being called only as a notification that the track has drawn -- no transfer needs to take place.pascal void SetTrackGWorld(Track theTrack, CGrafPtr port, GDHandle gdh, TrackTransferProc proc, long refCon)theTrack The track to set the proc to.port The port for the track to draw to, or nil to use the Movie’s GWorld.gdh GDevice associated with the port.proc Returns pointer to your transfer procedure, or nil to remove it.refCon Value to pass to your tranfer procedure.typedef pascal OSErr (*TrackTransferProc)(Track t, long refCon);Errors invalidMovie -2009 Your track reference is bad.GetMovieCoverProcsGetMovieCoverProcs lets you retrieve the cover procs that you set with SetMovieCoverProcs.pascal OSErr GetMovieCoverProcs(Movie theMovie, MovieRgnCoverProc *uncoverProc, MovieRgnCoverProc *coverProc, long *refcon)Movie Movie reference.MovieRgnCoverProc Returns the uncover proc for the movie.MovieRgnCoverProc Returns the cover proc for the movie.long Returns the refcon for the cover procedures.Errors invalidMovie -2010 Your movie reference is bad. Image Compression EnhancementsThe Image Compression has four new calls, and it's performance has been increased. Both the Photo CD and JPEG decompressors have been upgraded to directly support the clipping of images. This greatly decreases the time necessary to display large images. In particular, it makes it much easier to work with high resolution Photo CD images. Now, we will discuss the four new calls.SetSequenceProgressProcSetSequenceProgressProc allows you to set a progress procedure on a Compression or Decompression Sequence, just as in the past you could have a progress procedure when compressing or decompressing a still image. pascal OSErr SetSequenceProgressProc(ImageSequence seqID, ProgressProcRecord *progressProc)seqID Sequence identifier.progressProc Pointer to a record containing information about the application's progress proc.The Image Compression Manager has 3 additional calls which allow applications to zoom a monitor. They are considered low-level calls (comparable to SetEntries) that should only be used when playing back QuickTime movies in a controlled environment with no user interaction. Also, because this capability is not present on all machines, applications should not depend on its availability.The new calls provide a standard way for developers to access the 2x mode of a user’s monitor for playback. Effectively, this allows you to have full screen Compact Video playback on low end Macintosh computers.Hardware 200% resize is currently available only on the Macintosh LC II, IIvx, IIvi, Performa 400, Performa 600, and Color Classic in 16-bit (thousands of colors) display mode on the 12-inch (512 x 384 pixels) monitors. In the future, other graphic devices may take advantage of it.To implement this functionality, the Image Compression Manager actually make calls to the Video Driver for the given device. Video card manufacturers interested in supporting this functionality in their cards should link DEVSUPPORT for more information.GDHasScaleGDHasScale returns the closest possible scaling that a particular screen device can be set to in a given pixel depth. It returns scaling information for a particular GDevice for a requested depth. It allows you to query a GDevice without actually changing it. For example, if you specify 0x20000, but the GDevice does not support it, GDHasScale will return with noErr, and a scale of 0x10000. Remember, it checks for a supported depth, so your requested depth must be supported by the GDevice. GDHasScale references the video driver through the graphics device structure.For multiple screens, see "Multiple Screen Revealed" in develop 10 to find out how to walk the GDeviceList.pascal OSErr GDHasScale(GDHandle gdh,short depth,Fixed *scale)gdh a handle to a screen graphics device. depth pixel depth of screen device. Use this field to specify which pixel depth that scaling information should returned for.scale a pointer to a fixed point scale value. On input, this field should be set to the desired scale value. On output, this field will contain the closest scale available for the given depth. A scale of 0x10000 indicates normal size, 0x20000 indicates double size, etc.Errors cDepthErr The requested depth is not supported.cDevErr Not a screen device.controlErr Video driver can not respond to this call.GDGetScaleGDGetScale returns the current scale of the given screen graphics device.pascal OSErr GDGetScale(GDHandle gdh,Fixed *scale,short *flags)gdh a handle to a screen graphics device.scale pointer to a fixed point field to hold the scale resultflags pointer to a short. It returns the status parameter flags for the video driver. For now, zero is always returned in this field.Errors cDevErr Not a screen device.controlErr Video driver can not respond to this call.GDSetScaleGDSetScale sets a screen graphics device to a new scale.pascal OSErr GDSetScale(GDHandle gdh,Fixed scale,short flags)gdh a handle to a screen graphics device.scale a fixed point scale value.flags always pass zero.Errors cDevErr Not a screen device.controlErr Video driver can not respond to this call.Base Media Handler EnhancementsThe Base Media Handler interface has been extended with 3 new calls, and a new flag. These features were added to provide high quality movie playback. The text media handler takes advantage of these new calls, and provides built-in support for anti-aliased text. It is achieved through a playback hint to the base media handler, which the Apple Text Media Handler derives. This hint, hintsHighQuality, has been discussed in the Movie Toolbox Enhancements section above.The MediaSetHints and MediaGetOffscreenBufferSize routines were added to the Derived Media Handler interface to support high quality mode. Since the Apple Text Media Handler derives the base media handler, it can use these new calls to support anti-aliased text.MediaSetHintsWhen SetMoviePlayHints or SetMediaPlayHints is called by an application, your media handler’s MediaSetHints routine is called. This allows you to implement appropriate behavior for the various media hints such as scrub mode and high quality mode.pascal ComponentResult MediaSetHints (ComponentInstance ci, long hints)ci Component instance of a base media handler.hints All hint bits the currently apply to the given media.Errors badComponentInstance 0x80008001 Get a new component instanceMediaGetOffscreenBufferSize Before the Base Media Handler allocates an offscreen buffer for your Derived Media Handler, it calls your MediaGetOffscreenBufferSize routine to allow your media handler to chose the dimensions of the buffer. The depth and color table that will be used for the buffer are also passed. When you are called the rectBounds parameter specifies the size that the Base Media Handler will use for your offscreen by default. You can modify this as appropriate before returning. This capability is useful if your media handler can only draw at particular sizes. It is also useful for implementing anti-aliased drawing as you can request a buffer that is larger than your destination area, and have the Base Media Handler scale the image down for you. pascal ComponentResult MediaGetOffscreenBufferSize (ComponentInstance ci, Rect *rectBounds, short depth, CTabHandle ctab)ci Component instance of a base media handler.Rect The boundaries of your off-screen buffer.depth Depth of the offscreen.ctab Color table associated with off-screen. You can set it to nil.Errors badComponentInstance 0x80008001 Get a new component instance.MediaGetNameMediaGetName let's you retrieve the name of the media type. For example, the video media handler will return the string "Video".pascal ComponentResult MediaGetName(MediaHandler mh, Str255 name, long requestedLanguage, long *actualLanguage )ComponentInstance The base media handler instance.Str255 The name of the media type.Long A bunch of flags.Errors badComponentInstance 0x80008001 Get a new component instance.Text Media Handler EnhancementsThe text media handler interface includes 6 new flags, and one new routine. The flags let you control the behavior of the text media handler. The display flags are used in conjunction with the AddTESample and AddTextSample routines. The display flags are passed in the displayFlags parameter.dfContinuousScroll is a display flag which tells the Apple Text Media Handler to let new samples cause previous samples to scroll out.dfFlowHoriz is a display flag which tells the Apple Text Media Handler to let horizontally scrolled text to flow within the text box. This behavior contrasts with letting text flow as if the text box had no right edge.dfDropShadow is a display flag which tells the Apple Text Media Handler to support true drop shadows. Using SetTextSampleData, the position and translucency of the drop shadow is under application control.dfAntiAlias is a display flag which tells the Apple Text Media handler to attempt to display text anti-aliased.dfKeyedText is a display flag which tells the Apple Text Media handler to render text over the background without drawing the background color. This technique is otherwise known as "Masked Text."enum {dfContinuousScroll = 1<<9, dfFlowHoriz = 1<<10,dfDropShadow = 1<<12, dfAntiAlias = 1<<13, dfKeyedText = 1<<14};findTextUseOffset is a new find text flag which instructs FindNextText to look at the value pointed to by the offset parameter and start the search at that offset into the text sample indicated by startTime. This allows you to continue a text search from within a given sample, so that multiple occurrences of the search string can be found within a single sample.findTextUseOffset = 16; SetTextSampleDataSetTextSampleData allows you to set values prior to calling AddTextSample or AddTESample. Two types are currently supported: 'drpo' and 'drpt'. The first type, 'drpo', is the drop shadow offset. Pass the address of a point for the data parameter. 'drpt' is the drop shadow translucency. Pass a value from 0 to 255, where 0 is the lightest and 256 is the darkest.pascal ComponentResult SetTextSampleData(MediaHandler mh, void *data, OSType dataType)mh Reference to the text media handler. Could use GetMediaHandler.data Pointer to data, defined by dataType parameter. handleType Sets the type of data in the handle. For now, either 'drpo' or 'drpt'.Errors badComponentInstance 0x80008001 Your media handler reference is hosed.Here is some sample pseudo-code (it might not compile):short trans = 127;Point dropOffset;dropOffset.h = dropOffset.v = 4;SetSampleData(mh,(void *)&dropOffset,'drpo');SetSampleData(mh,(void *)&trans,'drpt');Be sure to turn on the dfDropShadow display flag when you call AddTextSample or AddTESample.Import/Export Component EnhancementsExport components have one new flag, one new error, two new functions, one new data structure, one new component, and an enhancement to the Sound Export component. The Text Movie export component was introduced above. Import components have one new function. The Audio CD Movie Import component was already introduced.canMovieExportAuxDataHandle is a movie export component flag. A Movie Export Component that supports the MovieExportGetAuxiliaryData call should also now set the canMovieExportAuxDataHandle flag in its ComponentFlags. canMovieExportAuxDataHandle = 128The error auxiliaryExportDataUnavailable has been added. It will be returned by a Movie Export Component when MovieExportGetAuxiliaryData is called requesting a type of auxiliary data that the component cannot generate. auxiliaryExportDataUnavailable = -2058The Sound Movie Export component has been updated to take advantage of the new Sound Manager. Previously, only the first sound track in the movie was exported. Now sound tracks are mixed together before being exported. If your application wants to take advantage of the sound mixing, you can use PutMovieIntoTypedHandle. It will take advantage of the export component. Furthermore, you can now specify the format of the exported sound, so you can convert 16 bit sound to 8 bit sound, or reduce stereo to mono.MovieExportSetSampleDescriptionMovieExportSetSampleDescription allows an application to request the format of the exported data, the routine MovieExportSetSampleDescription has been added. This call is currently supported by the Movie Export Sound Component.pascal ComponentResult MovieExportSetSampleDescription(MovieImportComponent ci, SampleDescriptionHandle desc, OSType mediaType)ci Component Instance of movie import component.desc Handle to a valid QuickTime sample description.mediaType The type of the media that the sample description is from.Errors badComponentInstance 0x80008001 Get a new component instance.MovieImportGetAuxiliaryDataTypeMovieImportGetAuxiliaryDataType should return the type of the auxiliary data that it can accept. This is useful if you are interested with import components directly. For example, if you call the text import component with this call, it will indicate that it can accept 'styl' information.pascal ComponentResult MovieImportGetAuxiliaryDataType(MovieImportComponent ci, OSType *auxType)ci The movie import component instance. Retrieve it with OpenDefaultComponent or OpenComponent.auxType Pointer to the type of auxiliary data it can import. For example, a text import component can bring in 'text' data. But, if it says it can return 'styl', then it will import the style information as well.Errors badComponentInstance 0x80008001 Your movie import component reference is bad.Here is a new data structure for the text export component. This data is useful after a text track has been exported. An application may want to know the way the text was stored as a track.typedef struct { long displayFlags; long textJustification; RGBColor bgColor; Rect textBox; short beginHilite; short endHilite; RGBColor hiliteColor; Boolean doHiliteColor; TimeValue scrollDelayDur; Point dropShadowOffset; short dropShadowTransparency;} TextDisplayData;TextExportGetDisplayDataTextExportGetDisplayData returns the text display data for the text sample that was last exported by the given text export component. After exporting text from a text track, it is often useful to find out about the text track characteristics. This data structure contains this extra information.pascal ComponentResult TextExportGetDisplayData(TextExportComponent ci, TextDisplayData *data)ci The text export component instance. Retrieve it with OpenDefaultComponent or OpenComponent.displayData Pointer to the text display data.Errors badComponentInstance 0x80008001 Your movie import component reference is bad.ColorSyncColorSync is an extension for Macintosh providing a platform for consistent color reproduction between widely varying output devices. Color Matching ability was added to the Image Compression Manager DrawPicture calls. Accurate color reproduction of images (not movies) is made easier with QuickTime’s flexible DrawPicture calls. To enable color matching you simply set the useColorMatching flag in the flags parameter to these calls. You can set the flag even when ColorSync is not installed, although it will be ignored. useColorMatching = 4Sequence Grabber EnhancementThe Sequence Grabber component has just one flag added to it. grabPictCurrentImage is a new flag to the SGGrabPict call. It provides the fastest possible image capture, but may fail under certain circumstances. This failure is not fatal; it just will not return a picture. The routine does not pause the current preview or grab the next frame. It causes the currently displayed image to be captured. It is a good idea to call SGPause yourself before calling SGGrabPict with this flag. grabPictCurrentImage = 4Image Codec EnhancementThe interface for image codecs has three new functions and one new flag defined. codecConditionFirstScreen is a new codec condition flag to the ImageCodec.h file. #define codecConditionFirstScreen (1L<<12)The Standard Compression Dialog now provides Compressor Components with the option of displaying their own settings within the dialog. If a compressor supports the dialog, an additional button will appear. The compressors settings are saved with the standard compressor settings when the SCGetInfo call is used with the scCodecSettingsType flag. The codec can implement the functionality using the following three routines. CDRequestSettingsCDRequestSettings allows the display of a dialog of additional compression settings specific to the codec. This information is stored in a settings handle. The codec can store whatever data in any format wants in the settings handle and resize it accordingly. It should store some type of tag/version information that it can use to verify that the data belongs to the codec. The codec should NOT dispose the handle.pascal ComponentResult CDRequestSettings(ComponentInstance ci, Handle settings, Rect *rp, ModalFilterProcPtr filterProc)ci Component instance of codec.settings Handle of data specific to the codec. If the handle is empty, the codec should use some type of default settings. rp Pointer to rectangle giving the coordinates of the Standard Compression dialog in screen coordinates. The codec can use this to position its dialog in the same area of the screen.filterProc A pointer to modal dialog filter proc that the codec must either pass to ModalDialog or call at the beginning of the codec dialog's filter. This proc gives the calling application and Standard Compression a chance to process update events.CDGetSettingsCDGetSettings allows a codec to get the settings chosen by a user. From this call, the codec should return its current internal settings. If there are no current settings or the settings are the same as the defaults, the codec can set the handle to empty.pascal ComponentResult CDGetSettings(ComponentInstance ci, Handle settings)ci Component instance of codec.settings A handle that the codec should resize and fill in with the current internal settings. It should be resized to empty if there are no current internal settings.CDSetSettingsCDSetSettings allows a codec to set the settings of the optional dialog. Set the codecs current internal settings to the state specified in the settings handle. The codec should always do a validity check on the contents of the handle so that invalid settings are never used.pascal ComponentResult CDSetSettings(ComponentInstance ci, Handle settings)ci Component Instance of movie import component.settings A handle to internal settings original returned by either the CDRequestSettings or CDGetSettings calls. The codec should set it's internal settings to match those of the settings handle. Because the codec does not own the handle, it should not dispose of it, and should only copy its contents, not the handle itself. If the settings handle passed in is empty, the codec should set its internal settings to a default state.New Component Manager FeaturesThe Component Manager in QuickTime 1.6 has some new features. The result returned for the selector, gestaltComponentMgr, will be 3, indicating version number 3 of the Component Manager. It has added the ability to automatically resolve conflicts between different versions of the same Component. It will ensure that only the most recent version of a given component is actually registered. In addition, the Component Manager now supports Icon Suites for a Component, so a Component’s icon no longer has to be just black and white. The ComponentResource data structure can now have an optional extension. This extension defines additional information about the Component. The data structure is shown below.struct ComponentResourceExtension { long componentVersion; /* version of Component */ long componentRegisterFlags; /* flags for registration */ short componentIconSuite; /* resource id of Icon Suite */};typedef struct ComponentResourceExtension ComponentResourceExtension;The ComponentResourceExtension is appended to the end of existing ComponentResource structures. The Component Manager determines if it is present by examining the size of the resource.The componentVersion field contains the version number of the component. This should be identical to the value returned by GetComponentVersion. For convenience, if this value is set to 0, the component is called to get the version. This is useful during development. The version number stored in the ComponentResourceExtension is used by the Component Manager to avoid having to load and call the Component to retrieve the Component’s version during startup.The componentRegisterFlags allow you to define additional register information. These flags are shown below. // Component Resource Extension flagsenum { componentDoAutoVersion = 1<<0, componentWantsUnregister = 1<<1, componentAutoVersionIncludeFlags = 1<<2};The componentDoAutoVersion flag tells the Component Manager that you only want your Component registered if there is no later version available. If there is an older version of the Component installed, it will be unregistered. If an older version of the same Component attempts to register after you, it will be immediately unregistered. Further, if a newer version of the same Component registers after you, you will automatically be unregistered. Using the automatic version control feature of the Component Manager allows you to make sure that only the most recent version of your software is running on a given machine, regardless of how many versions many be installed.The componentWantsUnregister flag indicates that your Component wants to be called when it is unregistered. This is useful if your component allocates global memory at register time, for example. The prototype of the unregister message is identical to the register message. If your component has never been opened, its unregister message will not be called. The routine selector for unregister is given below.The componentAutoVersionIncludeFlags flag tells the Component Manager to use the component flags as criteria for it's component search. If a component wants automatic version control, the Component Manager has to search for similar components. Normally, the Component Manager only searches for another component using the type, subType, and manufacturer fields of a ComponentDescription record. This flag tells the Component Manager to include the componentFlags in its search.#define kComponentUnregisterSelect -7 Finally, the componentIconSuite field allows you to provide the resource id of a System 7 Icon Suite. If this field is 0, it indicates that there is no icon suite. GetComponentIconSuiteGetComponentIconSuite returns an Icon Suite for the given Component. This call only works on System 7 or later. If called on System 6, it returns an error. If the Component doesn’t have an Icon Suite but does have a Component Icon (as returned by GetComponentInfo), GetComponentIconSuite creates an Icon Suite containing just the black and white Component Icon. In this way, you can use GetComponentIconSuite without regard to whether or not a Component has an Icon Suite or just simply a Component Icon.For more details on Icon Suites, see the Tech Note on Icon Suites (M.IM.IconDrawing), "Drawing Icons the System 7 Way".pascal OSErr GetComponentIconSuite(Component aComponent, Handle *iconSuite)aComponent Component id, retrieved with FindNextComponent.iconSuite Pointer to the icon suite you will receive.Errors invalidComponentID -3000 Component reference is not valid.QuickTime 1.6 Bug FixesQuickTime 1.6 fixes all known bugs in QuickTime 1.5. Many of these bugs are listed below.Movie Toolbox• The Movie Toolbox interesting time calls have been substantially improved. The values returned are much more consistant and accurate.• GetMoviePict has two major improvements:GetMoviePict no longer fails on certain Compact Video movies.GetMoviePict now reports out of memory errors rather than returning empty pictures when memory is low.• UpdateMovieResource has been fixed for single fork files.• Editing movie's with alternate tracks no longer causes duplicate tracks to be created.• Movie Uncover Procedures have been significantly improved. If a movie with tracks that are semi-transparent has a Movie Uncover procedure set (by SetMovieCoverProcs), the uncover procedure is now called before each frame to fill/erase the background. Previously the Movie Toolbox performed the erase, which limited a cover procedure aware application's options.• The dialog sequence that appears when a movie data file is lost has been reworked to eliminate the "This is not a valid movie file" dialog.• Fixed problem with deactivating and reactivating Compact Video movies that caused “shimmering” effects in the image.• GetMoviePosterPict now properly handles tracks which are only in the poster and not in the movie.• Movies played in loop mode using the Movie Controller no longer briefly pause when they jump from the end back to the beginning of the movie.Movie Controller• The Movie Controller performs much smarter drawing, so it takes up less time during movie playback.• The Movie Controller no longer leaves the port clip changed after drawing the badge.Movie Import/Export• The Import AIFF Sound File to Movie component now always imports the entire file.• The PICT and PICS import components no longer scale down images larger than the screen.Text Media Handler• When multi-line text is grown, lines after line 1 were not displayed. The bug did not occur when grown exactly 2x. It is now fixed.• Empty text samples sometimes caused the Text Media Handler to lose track of subsequent text size. It is now fixed.• FindText did not do "case insensitive" searches properly. Furthermore it tried to dispose of the text string that was passed in. It is now fixed.• FindText "wrap around" search did not always work properly. It now does.• Hilite text samples did not always display properly. They now do.• If the track contained multiple text descriptions, performance was sometimes severely degraded -- not anymore.• Text clipping and scrolling is now much more reliable.Image Compression Manager• The AlignWindow call has been fixed to respect vertical repositioning.Compact Video• In some cases, the Compact Video compressor allowed the data rate to exceed the limit set by the calling application, causing playback problems from CD. QuickTime 1.6 fixes this bug.• Decompressing gray scale Compact Video data to an 8-bit color destination no longer crashes.Photo CD Decompressor• More accurate colors in decompression are displayed.Standard Compression• If scAllowZeroFrameRate is true, default to 0 frame rate.• The key frame rate now updates correctly when changed from hook procedure.• Rate-constrain item checked if non-zero default value present.Sequence Grabber• Sound wouldn’t get restarted or turned off correctly if the record bit wasn’t set in its channel usage. It is now fixed.• Video panel does not bus error if the digitizer doesn't support hue.Component Manager• The Component Manager no longer changes the current resource file when loading a Component.• The Component Manager now tracks files using File ID's when possible, rather than FSSpec's.• Fixed obscure boot problem that would hang the machine when a component was called to register and the system heap was extremely low on free memory.• It is now OK to pass an empty handle to GetComponentInfo. This is helpful, since it can return them.Further Reference:• Inside Macintosh, QuickTime• Inside Macintosh, QuickTime Components‡ ◊# ˇ ˇˇˇˇ # ◊ ° d WORD S † å ° d WORD R… † Ç
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ONLN f ˛ † å ° d 1drw2 … -·_ Ä ˇˇˇˇˇˇ è ° ñ x ° d drw2 : ° d drw2 : $ ° d 4drw2 : ° ö ˇ˙ ó@ † ò , Times . WIQkWIQk +9INew Technical Notes † ô ° d drw2 : °„ † ó ° d 1drw2 eÙ Ä ˇˇˇˇˇˇ P ° ñ x ° d drw2 : ° d drw2 : $ ° d 4drw2 : ° ö ˇ˚Ä E¿ † ò ! ( ÇqDeveloper Support † ô ° d drw2 : °„ † ó ° d `drw2 - Ô ˇˇˇˇˇˇ K Ô - Z m¯ m 6 ° d 1drw2 ¿˙È ˇˇˇˇˇˇ K ° ñ x ° d drw2 : ° d drw2 : $ ° d 4drw2 : 0 ° ö ˇÙ Ä † ò 0 ( \À † ô ° d drw2 : °„ † ó ° d 1drw2 ÔÊ˙ ˇˇˇˇˇˇ ° ñ x ° d drw2 : ° d drw2 : $ ° d 4drw2 : ° ö ˇ˝Ä † ò l +& ® † ô ° d drw2 : °„ † ó ° d 1drw2  -¯ y ˇˇˇˇˇˇ ° ñ x ° d drw2 : ° d drw2 : $ ° d 4drw2 : ° ö ˇ˚Ä % † ò BÄ ( a 8 Macintosh † ô ° d drw2 : °„ † ó † ç ° d drw2 D † É ° d WORD † ç
d . ° d ONLN d v à “ ( £ 6QuickTime 1.6 Features ° d ONLN d ñ § \ * QuickTime ° d ONLN d ! ñÅ §⁄ ( ¿üQuickTime 1.6 ° d ONLN d 2 ∞• º⁄ +$ April, 1993 ° d ONLN d > » ‘ » ( 6'This note is a technical discussion of ° d ONLN d e » » ‘⁄ )∞4the changes between QuickTime 1.5 and QuickTime 1.6. ° d ONLN d ö ‘ ‡ f ( ¸ 6QuickTime 1.6 ° d ONLN d ® ‘ f ‡⁄ )NGintroduces some new features, and is more reliable than other QuickTime ° d ONLN d ‡ ÏÀ ( 6Xversions. The note also discusses the new features of QuickTime 1.6's Component Manager. ° d ONLN dI ¯ ; *Topics ° d ONLN dP 3 7 + • ° d ONLN dR < ¥ ) QuickTime 1.6 Features: ° d ONLN dl µ )¥)Describes how to access the new features. ° d ONLN dñ 3 7 (8 Q• ° d ONLN dò < „ ) Component Manager 3.0 Features: ° d ONLN dπ µ )¥)Describes how to access the new features. ° d ONLN d„ 3( 7 (D Q• ° d ONLN d <( Ω ) QuickTime 1.6 Bug Fixes: ° d ONLN d (b )¥Describes the bug fixes. _ 4_˘ ° d ONLN d_ q “ (å 6QuickTime 1.6 Features ê 4ê˘ ° d ONLN d0 ã ” *&The new features of QuickTime 1.6 are ° d ONLN dV ”ã⁄ )ª7fully described in this note. These new features can be ° d ONLN déã ó h (≥ 6logically divided ° d ONLN d†ã hó⁄ )PIinto two sections: "Features You Get For Free" and "Features You Get With ° d ONLN dÍó £ W (ø 6 Some Code." ° d ONLN d˜Ø ªP *@This documentation assumes the reader is QuickTime-literate. If ° d ONLN d7ØPª⁄ (◊nthis documentation does not ° d ONLN dSª « V („ 6suffice, refer ° d ONLN dbª V« c )>to ° d ONLN deª c« Ú )Inside Macintosh: QuickTime ° d ONLN dĪ Ú« )è and ° d ONLN dÖª «⁄ )&Inside Macintosh: QuickTime Components ° d ONLN d¨« ”2 (Ô 6;which are currently available from APDA. In addition, most ° d ONLN dÁ«2”⁄ (ÔP QuickTime questions are answered ° d ONLN d” fl (˚ 61through rummaging through the sample code and/or ° d ONLN d9”fl⁄ )ˇ%applications on the QuickTime 1.5 CD. ° d ONLN d_fl Î7 ( 6<Also, the QuickTime 1.0 CD serves as an excellent reference. ° d ONLN dú˜ Í * Features You Get For Free ( 4(˘ ° d ONLN d∂ # 3 *This ° d ONLN dª 3#⁄ )Psection describes the features of QuickTime 1.6 which are added transparently to ° d ONLN d # / (K 6-QuickTime. In general, your application will ° d ONLN d9# /⁄ )ÿ/not have to do anything to your application for ° d ONLN di/ ; … (W 6&these features. But the user may have ° d ONLN dè/ …;⁄ )±;to install a specific extension and/or have the appropriate ° d ONLN dÀ; Gæ (c 6Requipment. QuickTime 1.6 exploits these extensions: Sound Manager, Macintosh Easy ° d ONLN d ;æG⁄ (c‹Open, ° d ONLN d#G S (o 63and ColorSync. In addition, it exploits the CD ROM ° d ONLN dVGS⁄ )˙'300(i), grayscale PowerBooks, Macintosh ° d ONLN d~S _ó ({ 6RLC II class machines, Quadras, and stereo output devices. The exact nature of the ° d ONLN d–Só_⁄ ({µexploitation is ° d ONLN d‡_ k ” (á 6(discussed in the various sections below. ˇ ° ¿Ù%%DSIDICT:_cvcurrentdict /bu known {bu}ifuserdict /_cv known not{userdict /_cv 30 dict put}if_cv begin/bdf{bind def}bind defcurrentscreen/cs exch def/ca exch def/cf exch def/setcmykcolor where{/setcmykcolor get /cvcmyk exch def}{/cvcmyk{1 sub 4 1 roll 3{3 index add neg dup 0 lt{pop 0}if 3 1 roll}repeat setrgbcolor pop}bdf }ifelse/ss{//cf //ca //cs setscreen}bdf/stg{ss setgray}bdf/strgb{ss setrgbcolor}bdf/stcmyk{ss cvcmyk}bdf/min1{dup 0 eq{pop 1}if}bdfendcurrentdict /bn known {bn}if † ø∞ ◊# ˇ ˇˇˇˇ # ◊
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. +6,Macintosh Technical Notes . 4 .˘ ° d ONLN d ( 6 ¬ *&Reduced Memory Footprint U 4 U˘ ° d ONLN d C O‘ *WQuickTime 1.6 code has been segmented. QuickTime's code segmentation allows unused code ° d ONLN d q O [≈ * Xsegments to be unloaded when not in use. QuickTime 1.6 uses less than 18k when installed ° d ONLN d [ g * .whereas QuickTime 1.5 used approximately 160k. ° d ONLN d ˘ s ¿ *ZBecause of this segmentation, substantially less memory is required for movie playback. If ° d ONLN dT ãà * ]applications are not using a particular functionality, the corresponding code segments may be ° d ONLN d≤ ã óæ * Yunloaded. For example, movie editing code will not be loaded unless the movie application ° d ONLN d ó £ J * requires it. ° d ONLN d ª … ƒ *&Sound Manager 3.0 Support Ë 4 ˢ ° d ONLN d4 ÷ ‚ € *'QuickTime 1.6 is released with the new ° d ONLN d[ ÷ € ‚⁄ )√/Sound Manager, Version 3.0. Since the new Sound ° d ONLN dã ‚ Ó£ (
6NManager completely replaces the existing Sound Manager, it will work with all ° d ONLN dŸ ‚£ Ó⁄ (
¡ versions of ° d ONLN dÂ Ó ˙F ( 6?QuickTime and all existing applications. If the Sound Manager ° d ONLN d$ ÓF ˙⁄ (d 3.0 is installed, QuickTime 1.6 ° d ONLN dD ˙ Œ (" 6)will take advantage of it's new features. ° d ONLN dn } *GYou can use QuickTime with the Sound Manager 3.0 in the following ways: ° d ONLN d∂* !6 + 5• Spit multiple sound tracks into one sound resource ° d ONLN dÏ6 3B* + 1The best feature of the new Sound Manager is the ° d ONLN d 6*B⁄ )˜$ability to mix multiple sound tracks ° d ONLN dBB 3N ß (j Qinto one sound resource. ° d ONLN d[Z !f ™ (Ç ? • Play sound more efficiently ° d ONLN dyf 3rñ + GThe new Sound Manager lessens the load on the CPU for sound. As a rule ° d ONLN d¿fñr⁄ (é¥of thumb, you ° d ONLN dŒr 3~d (ö QBwill be able to get one extra frame per second for video playback. ° d ONLN dä !ñ fi (≤ ?(• Support alternate sound output devices ° d ONLN d:ñ 3¢î + EThis allows you to hook up hardware to your Macintosh for CD quality ° d ONLN dñî¢⁄ (æ≤16-bit 44 kHz ° d ONLN dç¢ 3Æ ì ( Qstereo sound output. ° d ONLN d¢∫ !Δ (‚ ?3• Allow better control over multiple sound channels ° d ONLN d÷Δ 3“ t + With Sound ° d ONLN d·Δ t“⁄ )ADManager 3.0, sound overdriving is now possible. By setting the movie ° d ONLN d&“ 3fi8 (˙ Q8volume above 1.0, the sound will actually be overdriven. ° d ONLN d`Í !ˆ % ( ?• ° d ONLN dbÍ *ˆ Ø ) Support true balance control ° d ONLN d ! % (* ?• ° d ONLN dÅ *Õ ) WHandle sound mixing better, which improves the quality of multiple sound track playback ° d ONLN dŸ !& % (B ?• ° d ONLN d€ *& ) Use the new Sound Control Panel ° d ONLN d˚> L Õ (h 6Compact Video Enhancement k 4k˘ ° d ONLN dY e° *RCompact Video playback to 16 bit destinations (thousands of colors) is now higher ° d ONLN dgY°e⁄ (Åø quality. The ° d ONLN dte q (ç 64dithering algorithm has been significantly improved. fl 4fl˘
April 1993 . 4 .˘ ° d ONLN d ( 6 Ñ ( R 6Audio CD Import U 4 U˘ ° d ONLN d C O j *A Movie Import ° d ONLN d C j O⁄ )RDcomponent has been provided which allows you to open Audio CD tracks ° d ONLN d d O [ ° ( w 6from QuickTime’s Standard ° d ONLN d ~ O ° [⁄ )â?File Preview dialog, just as you could open PICS and AIFF files ° d ONLN d æ [ g• ( É 6Mwith QuickTime 1.5. If you have a Apple CD 300 or CD 300i drive, you can use ° d ONLN d [• g⁄ ( É√ QuickTime ° d ONLN d g sé ( è 6O1.6 to convert tracks of your favorite audio CD directly into QuickTime movies.
):'When you try to open an audio track on ° d ONLN dó˛
⁄ )ø(a CD 300(i), the Open button will change ° d ONLN d¿
… (2 6Uto a Convert… button. When you click this button, the Audio CD Import Options dialog ° d ONLN d
…⁄ (2Áwill ° d ONLN d " (> 66pop up. With this dialog, you can configure the sound ° d ONLN dP"⁄ (>7*settings of the movie. The rate, size, and ° d ONLN d{" . ë (J 6channel can be specified ° d ONLN dî" ë.⁄ )yDfor the movie. In addition, you can select the portion of the track ° d ONLN dŸ. :D (V 6?which should become a movie. You can select the start time and ° d ONLN d.D:⁄ (Vb end time for the track. You can ° d ONLN d8: F= (b 6?play your selection to be sure you have the selection you want. ° d ONLN dxb p â **Text Track Export è 4è˘ ° d ONLN dä} â√ *WA Text Movie Export component lets you easily extract text from movies. With Macintosh ° d ONLN d·}√â⁄ (•·Easy ° d ONLN dÊâ ï ÷ (± 6)Open installed, you can copy a series of ° d ONLN dâ ÷ï⁄ )æ6text frames from a movie, and paste them directly into ° d ONLN dFï ° ˇ (Ω 60any application that supports text, such as MPW. fl 4fl˘
. +6,Macintosh Technical Notes . 4 .˘ ° d ONLN d * 8 “ *(Macintosh Easy Open Support W 4 W˘ ° d ONLN d E Q R *
QuickTime ° d ONLN d & E R Q⁄ ):G1.6 fully supports Macintosh Easy Open. Macintosh Easy Open is an Apple ° d ONLN d o Q ]x ( y 6Gsystem extension which provides document and clipboard translation for ° d ONLN d ∂ Qx ]⁄ ( yñall applications. If a ° d ONLN d Õ ] i D ( Ö 6 user has ° d ONLN d ÷ ] D i⁄ ),NMacintosh Easy Open installed in combination with QuickTime 1.6, then they can ° d ONLN d% i u ( ë 65copy and paste various media formats without thought. ° d ONLN d[ Å ç */QuickTime 1.5 contained translation components ° d ONLN dä Å ç⁄ )Í+for importing and exporting movie data from ° d ONLN d∂ ç ô8 ( µ 6<files and the clipboard. QuickTime 1.6 provides a Macintosh ° d ONLN dÚ ç8 ô⁄ ( µV Easy Open translation component ° d ONLN d ô •™ ( ¡ 6Lwhich makes all QuickTime movie import/export components work automatically ° d ONLN d^ ô™ •÷ ( ¡»with non ° d ONLN df ô÷ •⁄ ),- ° d ONLN dg • ± ( Õ 63QuickTime-aware applications. For example, you can ° d ONLN dö • ±⁄ )˝(paste a sound track into a Sound Editing ° d ONLN d√ ± ΩΩ ( Ÿ 6[application, and it will translate the format from a QuickTime sound movie to a sound file. ° d ONLN d … ’ f *QuickTime 1.6 ° d ONLN d- … f ’⁄ )NGincludes support for importing sound, PICTs, and PICS. It also supports ° d ONLN du ’ ·^ ( ˝ 6?exporting movies to PICT and sound. Additional MovieImport and ° d ONLN d¥ ’^ ·⁄ ( ˝|MovieExport components ° d ONLN dÀ · Ì™ ( 6Ocan be found on the QuickTime 1.5 Developer CD in the Sample Components folder. ° d ONLN d ¥ *&Tear-free Movie Playback 2 42˘ ° d ONLN d4 ,w *FSupport has been added to the Image Compression Manager to reduce the ° d ONLN dz w,⁄ (Hïtearing that is visible ° d ONLN dí, 8 » (T 6$when playing back movies with large ° d ONLN d∂, »8⁄ )∞5amounts of motion. The feature only works on machines ° d ONLN dÏ8 DU (` 6Ewith fast screen access, so it isn’t usually enabled for NuBus video ° d ONLN d18UD÷ (`s cards. Typically, better tear ° d ONLN dN8÷D⁄ )Å- ° d ONLN dOD P π (l 6!free movie playback will be seen ° d ONLN dpD πP⁄ )°5on Compact Video movies in 16-bit on a Quadra. A good ° d ONLN d¶P \ Ê (x 6,movie to look to see the improvement is the ° d ONLN d“P Ê\⁄ )Œ,beginning of “Everybody Loves Me But You” on ° d ONLN dˇ\ h ∫ (Ñ 6 the QuickTime 1.5 Developer CD. ° d ONLN d Ä é *&%PowerBook Movie Playback Enhancements ≠ 4≠˘ ° d ONLN dEõ ß Ò **The PowerBooks which use 4-bit gray scale ° d ONLN doõ Òß⁄ )Ÿ*(PowerBook 160, 180, Duo 210, Duo 230) are ° d ONLN döß ≥ (œ 66supported using new fast dithering. All decompressors ° d ONLN d–ß ≥⁄ (œ:)transparently take advantage of this fast ° d ONLN d˙≥ ø E (€ 6
dithering. ° d ONLN d◊  _ *& YUV Codec 4˘ ° d ONLN dÚ ˛ Δ * A YUV Compressor/Decompressor ° d ONLN d-Ú Δ˛⁄ )Æ4Component has been added to QuickTime 1.6. It stores ° d ONLN db˛
: (& 6data in ° d ONLN dj˛ :
⁄ )"UYUV 4:2:2 format. The compression algorithm is not lossless, but the image quality is ° d ONLN d¿
b (2 6Bextremely high. The compression ratio is 2:1. It does not support ° d ONLN d
b⁄ (2Äframe differencing. It is ° d ONLN d " (> 6;useful with certain video input solutions. In addition, it ° d ONLN dW"⁄ (>8)is also useful as an intermediate storage ° d ONLN dÅ" .[ (J 6Gformat if you are applying multiple effects or transitions to an image. ° d ONLN d…: F| *GBy default, YUV does not appear in the Standard Compression dialog. If ° d ONLN d :|F⁄ (böyou hold down the ° d ONLN d "F RΩ (n 6]option key when clicking on the compressor list to display the complete list, it will appear. ° d ONLN d Äj |) *) Features You Get With Some Code õ 4õ˘ ° d ONLN d †ä ñ *This section describes the features of QuickTime ° d ONLN d —äñ⁄ )(1.6 which are NOT added transparently to ° d ONLN d ˙ñ ¢ Ê (æ 6*QuickTime. Your application will need new ° d ONLN d
$ñ Ê¢⁄ )Œ4code to take advantage of them. In this section, the ° d ONLN d
Y¢ Æ º ( 6$use of these features are explained. fl 4fl˘
April 1993 . 4 .˘ ° d ONLN d * 8 Œ ( T 6Movie Toolbox Enhancements W 4 W˘ ° d ONLN d E Qi *DThe Movie Toolbox has three new calls, and two new flags. First, we ° d ONLN d _ Ei Q⁄ ( máwill talk about the new ° d ONLN d w Q ] é ( y 6flag. When using either ,
is a new ° d ONLN d< ´ ú ∑ ◊ )4 flag to the ° d ONLN dH ¨ ◊ ∑, );SetMoviePlayHints ° d ONLN dY ´, ∑I )U and ° d ONLN d^ ¨I ∑û ) SetMediaPlayHints ° d ONLN do ´û ∑⁄ )U routines. It ° d ONLN d} ∑ √ fi ( fl 6(specifies that the given movie or media ° d ONLN d• ∑ fi √⁄ )Δ2should render at the highest quality. Rendering at ° d ONLN dÿ √ œ? ( Î 6<highest quality may take considerably more time and memory. ° d ONLN d √? œ⁄ ( Î]!Therefore, this mode is typically ° d ONLN d6 œ €û ( ˜ 6Snot appropriate for real time playback, but is very useful for recompressing as it ° d ONLN dâ œû €⁄ ( ˜º can generate ° d ONLN dñ € Á Ä ( 6higher quality images. ° d ONLN dÆ Û < ˛ Ø +$hintsHighQuality = 1<<8 ° d ONLN d… Ö (1 6The high quality mode ° d ONLN dfl Ö⁄ )mEcan be used with other media handlers as well. For example, the Video ° d ONLN d% !ô (= 6QMedia Handler turns off fast dithering and allows high quality dithering. Now we ° d ONLN dvô!⁄ (=∑will introduce ° d ONLN dÖ! - Ω (I 6"the three new Movie Toolbox calls. ° d ONLN d®9 !E » + SetMovieDrawingCompleteProc d =d˘ ° d ONLN dƒQ !\ ® *SetMovieDrawingCompleteProc ° d ONLN dflP ®\Ü )á3 lets you set a call back procedure that is called ° d ONLN dPÜ\⁄ )fiafter a Movie has ° d ONLN d$\ !h0 (Ñ ?6drawn in one or more of its tracks. In this way, your ° d ONLN dZ\0h⁄ (ÑN application can be aware of when ° d ONLN d{h !t (ê ?0QuickTime has drawn frames, and when it hasn’t. ° d ONLN d´h t⁄ )˝$This information is very useful when ° d ONLN d–t !Ä i (ú ?combined with ° d ONLN dfiu iÄ Ø )HSetTrackGWorld ° d ONLN dÏt ØÄ Î )F (see below). ° d ONLN d˙ä !ï¿ (± ?Spascal void SetMovieDrawingCompleteProc(Movie theMovie, MovieDrawingCompleteProcPtr ° d ONLN dNî !ü { *
proc, long refCon) ° d ONLN da® !≥ I *theMovie ° d ONLN dj® Ñ≥ )c The Movie to set the proc on. ° d ONLN dà≤ !Ω 5 (Ÿ ?proc ° d ONLN dç≤ ÑΩj )c.Your call back procedure, or nil to remove it. ° d ONLN dºº !« ? („ ?refCon ° d ONLN d√º Ñ«V )c*Value to pass to your call back procedure. ° d ONLN dÓ– !€∂ (˜ ?Qtypedef pascal OSErr (*MovieDrawingCompleteProcPtr)(Movie theMovie, long refCon); ° d ONLN d@‰ ! C *Errors ° d ONLN dH !˚ b * invalidMovie ° d ONLN dV Ñ˚ ù )c-2010 ° d ONLN d\ ®˚4 )$ Your movie reference is bad. ° d ONLN dy ! { (. ?SetTrackGWorld 1 =1˘ ° d ONLN dà ! g *SetTrackGWorld ° d ONLN dñ g
)F% lets you force a track to draw into ° d ONLN dª
⁄ )£'a particular GWorld. This GWorld may be ° d ONLN d„ !+ Ä (G ?different from that ° d ONLN d˜ Ä+⁄ )_Fof the entire movie. After the track has drawn, it calls your transfer ° d ONLN d>+ !7å (S ?Kprocedure to copy the track to the actual movie GWorld. When your transfer ° d ONLN dâ+å7⁄ (S™procedure is set, ° d ONLN dõ7 !C ® (_ ? the current GWorld is set to ° d ONLN d∏7 ®C⁄ )áBthe correct destination. You can also install a transfer procedure ° d ONLN d˚C !O E (k ?and set ° d ONLN d C EO⁄ )$Uthe GWorld to nil. This will result in your transfer procedure being called only as a ° d ONLN d YO ![g (w ?Inotification that the track has drawn -- no transfer needs to take place. fl 4fl˘
Courier ° d ONLN d ! 'Ñ + Gpascal void SetTrackGWorld(Track theTrack, CGrafPtr port, GDHandle gdh, ° d ONLN d H & ! 1 ’ *
$TrackTransferProc proc, long refCon) ° d ONLN d m : ! E I *theTrack ° d ONLN d v : Ñ E )c The track to set the proc to. ° d ONLN d î D ! O 5 ( k ?port ° d ONLN d ô D Ñ Oÿ )cDThe port for the track to draw to, or nil to use the Movie’s GWorld. ° d ONLN d fi N ! Y 0 ( u ?gdh ° d ONLN d ‚ N Ñ Y) )c!GDevice associated with the port. ° d ONLN d X ! c 5 ( ?proc ° d ONLN d X Ñ cƒ )c@Returns pointer to your transfer procedure, or nil to remove it. ° d ONLN dJ b ! m D ( â ?refCon ° d ONLN dR b Ñ mL )c(Value to pass to your tranfer procedure. ° d ONLN d{ v ! Åa ( ù ?@typedef pascal OSErr (*TrackTransferProc)(Track t, long refCon); ° d ONLN dº å ! ò C *Errors ° d ONLN dƒ ò ! £ b * invalidMovie ° d ONLN d“ ò Ñ £ ù )c-2009 ° d ONLN dÿ ò ® £4 )$ Your track reference is bad. ° d ONLN dı Æ ! ∫ é ( ÷ ?GetMovieCoverProcs Ÿ = Ÿ˘ ° d ONLN d º ! « { *GetMovieCoverProcs ° d ONLN d ª { «e )Z5 lets you retrieve the cover procs that you set with ° d ONLN dO ºe «ø )ÍSetMovieCoverProcs ° d ONLN da ªø «¬ )Z. ° d ONLN dc — ! ‹¨ ( ¯ ?Opascal OSErr GetMovieCoverProcs(Movie theMovie, MovieRgnCoverProc *uncoverProc, ° d ONLN d≥ € ! Ê ¯ *
+MovieRgnCoverProc *coverProc, long *refcon) ° d ONLN dfl Ô ! ˙ : *Movie ° d ONLN dÂ Ô Ñ ˙ ‘ )cMovie reference. ° d ONLN dˆ ˘ ! v ( ?MovieRgnCoverProc ° d ONLN d ˘ ÑG )c'Returns the uncover proc for the movie. ° d ONLN d0 ! v (* ?MovieRgnCoverProc ° d ONLN dB Ñ= )c%Returns the cover proc for the movie. ° d ONLN dh ! 5 (4 ?long ° d ONLN dm Ñ` )c,Returns the refcon for the cover procedures. ° d ONLN dö# !/ C (K ?Errors ° d ONLN d¢/ !: b * invalidMovie ° d ONLN d∞/ Ñ: ù )c-2010 ° d ONLN d∂/ ®:4 )$ Your movie reference is bad. ° d ONLN d’Q _ Î ({ 6 Image Compression Enhancements ~ 4~˘ ° d ONLN dÙl x π * The Image Compression has four ° d ONLN dl πx⁄ )°<new calls, and it's performance has been increased. Both the ° d ONLN dPx Ñd († 6?Photo CD and JPEG decompressors have been upgraded to directly ° d ONLN dèxdÑ⁄ (†Çsupport the clipping of ° d ONLN d®Ñ êº (¨ 6]images. This greatly decreases the time necessary to display large images. In particular, it ° d ONLN dѺê⁄ (¨⁄makes ° d ONLN d ê ú≥ (∏ 6Rit much easier to work with high resolution Photo CD images. Now, we will discuss ° d ONLN d]ê≥ú⁄ (∏—the four ° d ONLN dfú ® F (ƒ 6
new calls. ° d ONLN dq¥ !¿ § + SetSequenceProgressProc fl =fl˘ ° d ONLN d⬠!Õ î *SetSequenceProgressProc ° d ONLN d†¡ îÕ Â )s allows you to ° d ONLN dØ¡ ÂÕ⁄ )Q,set a progress procedure on a Compression or ° d ONLN d‹Õ !ŸR (ı ?;Decompression Sequence, just as in the past you could have ° d ONLN dÕRŸ⁄ (ıpa progress procedure when ° d ONLN d1Ÿ !Â Ú ( ?+compressing or decompressing a still image. ° d ONLN d^Ò !¸ù *Lpascal OSErr SetSequenceProgressProc(ImageSequence seqID, ProgressProcRecord ° d ONLN d´˚ ! g *
*progressProc) ° d ONLN d∫ ! : *seqID ° d ONLN d¿ Ñ Ë )cSequence identifier. ° d ONLN d’ !$ ] (@ ? progressProc ° d ONLN d‚ Ñ$Œ )cBPointer to a record containing information about the application's ° d ONLN d%# Ñ. *
April 1993 . 4 .˘ ° d ONLN d ( h ( D 6Hardware 200% ° d ONLN d h (⁄ )POresize is currently available only on the Macintosh LC II, IIvx, IIvi, Performa ° d ONLN d ^ ( 4 à ( P 6%400, Performa 600, and Color Classic ° d ONLN d É ( à 4÷ )¥6in 16-bit (thousands of colors) display mode on the 12 ° d ONLN d π (÷ 4⁄ ( PÙ- ° d ONLN d ∫ 4 @“ ( \ 6`inch (512 x 384 pixels) monitors. In the future, other graphic devices may take advantage of it. ° d ONLN d L X s *To implement this ° d ONLN d- L s X⁄ )[Gfunctionality, the Image Compression Manager actually make calls to the ° d ONLN du X d \ ( Ä 6Video Driver ° d ONLN dÇ X \ d⁄ )DLfor the given device. Video card manufacturers interested in supporting this ° d ONLN dœ d p Œ ( å 6)functionality in their cards should link ° d ONLN d¯ d Œ p )∂
DEVSUPPORT ° d ONLN d d pâ )R for more information. ° d ONLN d | ! à b ( § ?
GDHasScale ß = ߢ ,
Courier ° d ONLN d$ ä ! ï S *
GDHasScale ° d ONLN d. â S ïõ )2J returns the closest possible scaling that a particular screen device can ° d ONLN dx âõ ï⁄ ( ±πbe set to in a ° d ONLN dá ï ! °_ ( Ω ?Cgiven pixel depth. It returns scaling information for a particular ° d ONLN d ï_ °⁄ ( Ω}GDevice for a requested ° d ONLN d‚ ° ! ≠ ± ( … ? depth. It allows you to query ° d ONLN d ° ± ≠⁄ )ê;a GDevice without actually changing it. For example, if you ° d ONLN d< ≠ ! π F ( ’ ?specify ° d ONLN dD Æ F π i )%0x20000 ° d ONLN dK ≠ i π Ω )#, but the GDevice ° d ONLN d] ≠ Ω π )Tdoes not support it, ° d ONLN dr Æ πP )a
GDHasScale ° d ONLN d| ≠P π° )2 will return with ° d ONLN dé Æ° π∫ )QnoErr ° d ONLN dì ≠∫ π⁄ ), and a ° d ONLN dõ π ! ≈ H ( · ? scale of ° d ONLN d§ ∫ H ≈ k )'0x10000 ° d ONLN d´ π k ≈ñ )#?. Remember, it checks for a supported depth, so your requested ° d ONLN dÍ πñ ≈⁄ ( ·¥depth must be ° d ONLN d¯ ≈ ! — ¢ ( Ì ?supported by the GDevice. ° d ONLN d Δ ¢ — ‘ )Å
GDHasScale ° d ONLN d ≈ ‘ —7 )2 references the video ° d ONLN d2 ≈7 —⁄ )c"driver through the graphics device ° d ONLN dU — ! › M ( ˘ ?
structure. ° d ONLN d` È ! ı 5 *For ° d ONLN dd È 5 ı⁄ )Vmultiple screens, see "Multiple Screen Revealed" in develop 10 to find out how to walk ° d ONLN dª ı ! p ( ?the GDeviceList. ° d ONLN dà !W *>pascal OSErr GDHasScale(GDHandle gdh,short depth,Fixed *scale) ° d ONLN d ! !, 0 *gdh ° d ONLN d! Ñ,= )c%a handle to a screen graphics device. ° d ONLN d6+ !6 : (R ?depth ° d ONLN d<+ Ñ6ÿ )cDpixel depth of screen device. Use this field to specify which pixel ° d ONLN dÅ5 Ñ@É *
3depth that scaling information should returned for. ° d ONLN dµ? !J : (f ?scale ° d ONLN dª? ÑJÿ )cDa pointer to a fixed point scale value. On input, this field should ° d ONLN d I ÑT∫ *
>be set to the desired scale value. On output, this field will ° d ONLN d?S Ñ^ÿ *
Dcontain the closest scale available for the given depth. A scale of ° d ONLN dÑ] ÑhŒ *
B0x10000 indicates normal size, 0x20000 indicates double size, etc. ° d ONLN d«s ! C (õ ?Errors ° d ONLN dœ !ä N * cDepthErr ° d ONLN dŸ Ñä= )c%The requested depth is not supported. ° d ONLN dˇâ !î D (∞ ?cDevErr ° d ONLN dâ Ñî Ë )cNot a screen device. ° d ONLN d ì !û S (∫ ?
GDGetScale ° d ONLN dg∂ S¬o )2? returns the current scale of the given screen graphics device. ° d ONLN dßà !◊\ (Û ??pascal OSErr GDGetScale(GDHandle gdh,Fixed *scale,short *flags) ° d ONLN dÁ‡ !Î 0 *gdh ° d ONLN d· ÑÎ= )c%a handle to a screen graphics device. ° d ONLN dÍ !ı : ( ?scale ° d ONLN dÍ Ñıó )c7pointer to a fixed point field to hold the scale result ° d ONLN dOÙ !ˇ : ( ?flags ° d ONLN dUÙ ÑˇŒ )cBpointer to a short. It returns the status parameter flags for the ° d ONLN dò˛ Ñ µ *
=video driver. For now, zero is always returned in this field. ° d ONLN d÷ ! C (< ?Errors ° d ONLN dfi !+ D * cDevErr ° d ONLN dÊ Ñ+ Ë )cNot a screen device. ° d ONLN d˚* !5 S (Q ?
controlErr ° d ONLN d * Ñ5V )c*Video driver can not respond to this call. ° d ONLN d 1L !X ^ (t ?
GDSetScale w =w˘ ° d ONLN d <Y !e+ *8GDSetScale sets a screen graphics device to a new scale. ° d ONLN d uo !zR *=pascal OSErr GDSetScale(GDHandle gdh,Fixed scale,short flags) ° d ONLN d ≥É !é 0 *gdh ° d ONLN d ∑É Ñé= )c%a handle to a screen graphics device. ° d ONLN d ›ç !ò : (¥ ?scale ° d ONLN d „ç Ñò )ca fixed point scale value. ° d ONLN d ˛ó !¢ : (æ ?flags ° d ONLN d
derives. ° d ONLN dÒ ´ B ∑ s )* This hint, ° d ONLN d¸ ¨ s ∑ √ )1hintsHighQuality ° d ONLN d ´ √ ∑⁄ )P6, has been discussed in the Movie Toolbox Enhancements ° d ONLN dC ∑ √ Z ( fl 6section above. ° d ONLN dR œ € - *The ° d ONLN dV – - € n )MediaSetHints ° d ONLN dc œ n € Ö )A and ° d ONLN dh – Ö € )MediaGetOffscreenBufferSize ° d ONLN dÉ œ €⁄ )á) routines were added to the Derived Media ° d ONLN d≠ € ÁQ ( 6@Handler interface to support high quality mode. Since the Apple ° d ONLN dÌ €Q Á⁄ (oText Media Handler derives ° d ONLN d Á Û ( 6Pthe base media handler, it can use these new calls to support anti-aliased text. ° d ONLN dY ! o + MediaSetHints - =-˘ ° d ONLN dg ! E *When ° d ONLN dl E ö )$SetMoviePlayHints ° d ONLN d} ö ≤ )U or ° d ONLN dÅ ≤ )SetMediaPlayHints ° d ONLN dí† )U is called by an application, ° d ONLN d∞†⁄ )ô
0x80008001 ° d ONLN d9Å å| )H Get a new component instance ° d ONLN dVö !¶ º (¬ ?MediaGetOffscreenBufferSize ≈ =≈˘ ° d ONLN dsß !≥ *+Before the Base Media Handler allocates an ° d ONLN dûß≥⁄ )Ê'offscreen buffer for your Derived Media ° d ONLN dΔ≥ !ø é (€ ?Handler, it calls your ° d ONLN d›¥ éø )mMediaGetOffscreenBufferSize ° d ONLN d¯≥ø® )á routine to allow your media ° d ONLN d≥®ø⁄ )ì
handler to ° d ONLN d ø !À (Á ?2chose the dimensions of the buffer. The depth and ° d ONLN dRøÀ⁄ )Ô,color table that will be used for the buffer ° d ONLN dÀ !◊ „ (Û ?)are also passed. When you are called the ° d ONLN d®Ã „◊ )¬
rectBounds ° d ONLN d≤À◊Ü )2 parameter specifies the ° d ONLN dÀÀÜ◊⁄ )qsize that the Base ° d ONLN dfi◊ !„ ¬ (ˇ ? Media Handler will use for your ° d ONLN d˛◊ ¬„⁄ )°8offscreen by default. You can modify this as appropriate ° d ONLN d7„ !ÔÖ ( ?Kbefore returning. This capability is useful if your media handler can only ° d ONLN dÇ„ÖÔ⁄ ( £draw at particular ° d ONLN dïÔ !˚ ö ( ? sizes. It is also useful for ° d ONLN d≤Ô ö˚⁄ )yBimplementing anti-aliased drawing as you can request a buffer that ° d ONLN dı˚ ! J (# ?
**rectBounds, short depth, CTabHandle ctab) ° d ONLN d‘= !H + *ci ° d ONLN d◊= ÑH[ )c+Component instance of a base media handler. ° d ONLN d G !R : (n ?Rect ° d ONLN d G ÑRQ )c)The boundaries of your off-screen buffer. ° d ONLN d 3Q !\ : (x ?depth ° d ONLN d 9Q Ñ\ ˜ )cDepth of the offscreen. ° d ONLN d Q[ !f 5 (Ç ?ctab ° d ONLN d V[ Ñf∫ )c>Color table associated with off-screen. You can set it to nil. ° d ONLN d ïq !} C (ô ?Errors ° d ONLN d ù} !à Ö * badComponentInstance ° d ONLN d ≤} ®à ⁄ )á
0x80008001 ° d ONLN d Ω} àÅ )H Get a new component instance. fl 4fl˘
)requestedLanguage, long *actualLanguage ) ° d ONLN d ˇ i ! t v *ComponentInstance ° d ONLN d i Ñ t$ )c The base media handler instance. ° d ONLN d2 s ! ~ ? ( ö ?Str255 ° d ONLN d9 s Ñ ~ )cThe name of the media type. ° d ONLN dU } ! à 5 ( § ?Long ° d ONLN dZ } Ñ à Ÿ )cA bunch of flags. ° d ONLN dl ì ! ü C ( ª ?Errors ° d ONLN dt ü ! ™ Ö * badComponentInstance ° d ONLN dâ ü ® ™ ⁄ )á
0x80008001 ° d ONLN dî ü ™Å )H Get a new component instance. ° d ONLN d≤ Õ € Ô ( ˜ 6 Text Media Handler Enhancements ˙ 4 ˙˘ ° d ONLN d“ Ë Ù *]The text media handler interface includes 6 new flags, and one new routine. The flags let you ° d ONLN d0 Ù * ^control the behavior of the text media handler. The display flags are used in conjunction with ° d ONLN dè ) * the ° d ONLN dì ) ` ) AddTESample ° d ONLN dû ` w )7 and ° d ONLN d£ w ∏ )AddTextSample ° d ONLN d∞ ∏ å )A/ routines. The display flags are passed in the ° d ONLN dflå » )‘ displayFlags ° d ONLN dÏ I (4 6
parameter. ° d ONLN d˜% 0 r *dfContinuousScroll ° d ONLN d $ r0∂ )ZF is a display flag which tells the Apple Text Media Handler to let new ° d ONLN dP0 < Ì (X 6-samples cause previous samples to scroll out. ° d ONLN d~G R O * dfFlowHoriz ° d ONLN dâF OR∏ )7O is a display flag which tells the Apple Text Media Handler to let horizontally ° d ONLN dŸR ^Õ (z 6cscrolled text to flow within the text box. This behavior contrasts with letting text flow as if the ° d ONLN d=^ j ñ * text box had no right edge. ° d ONLN dYw Ç T * dfDropShadow ° d ONLN dev TÇ… )<P is a display flag which tells the Apple Text Media Handler to support true drop ° d ONLN d∂Ç é g (™ 6shadows. Using ° d ONLN d≈É gé º )OSetTextSampleData ° d ONLN d÷Ç ºé— )U;, the position and translucency of the drop shadow is under ° d ONLN dé ö r (∂ 6application control. ° d ONLN d'• ∞ O * dfAntiAlias ° d ONLN d2§ O∞÷ )7V is a display flag which tells the Apple Text Media handler to attempt to display text ° d ONLN dâ∞ º P (ÿ 6anti-aliased. ° d ONLN dó… ‘ O * dfKeyedText ° d ONLN d¢» O‘… )7S is a display flag which tells the Apple Text Media handler to render text over the ° d ONLN dˆ‘ ‡º (¸ 6Ubackground without drawing the background color. This technique is otherwise known as ° d ONLN dL‡ Ï c * "Masked Text." ° d ONLN d[¯ 6 *enum { ° d ONLN db w *
Courier ° d ONLN d & 1 ã *!findTextUseOffset = 16; ° d ONLN d < ! H à + SetTextSampleData g = g˘ ° d ONLN d + J ! U v *SetTextSampleData ° d ONLN d < I v U )U# allows you to set values prior to ° d ONLN d _ I U4 )õcalling ° d ONLN d g J4 Uu )#AddTextSample ° d ONLN d t Iu Uá )A or ° d ONLN d x Já Uæ ) AddTESample ° d ONLN d É Iæ U⁄ )7. Two ° d ONLN d â U ! aV ( } ?Btypes are currently supported: 'drpo' and 'drpt'. The first type, ° d ONLN d À UV a⁄ ( }t'drpo', is the drop shadow ° d ONLN d Ê a ! m ü ( â ?offset. Pass the address ° d ONLN d ˇ a ü m⁄ )~<of a point for the data parameter. 'drpt' is the drop shadow ° d ONLN d< m ! y∑ ( ï ?Ytranslucency. Pass a value from 0 to 255, where 0 is the lightest and 256 is the darkest. ° d ONLN dñ É ! éœ *Vpascal ComponentResult SetTextSampleData(MediaHandler mh, void *data, OSType dataType) ° d ONLN dÌ ó ! ¢ + *mh ° d ONLN d ó Ñ ¢ø )c?Reference to the text media handler. Could use GetMediaHandler. ° d ONLN d0 ° ! ¨ 5 ( » ?data ° d ONLN d5 ° Ñ ¨o )c/Pointer to data, defined by dataType parameter. ° d ONLN df ´ ! ∂ S ( “ ?
handleType ° d ONLN dq ´ Ñ ∂∫ )c>Sets the type of data in the handle. For now, either 'drpo' or ° d ONLN d∞ µ Ñ ¿ ß *
'drpt'. ° d ONLN d∏ À ! ◊ C ( Û ?Errors ° d ONLN d¿ ◊ ! ‚ Ö * badComponentInstance ° d ONLN d’ ◊ ® ‚ ⁄ )á
0x80008001 ° d ONLN d‡ ◊ ‚Æ )H&Your media handler reference is hosed. ° d ONLN d Î ! ˜. ( ?7Here is some sample pseudo-code (it might not compile): ° d ONLN d? ! ? *short ° d ONLN dF ` ú )? trans = 127; ° d ONLN dS ! : (2 ?Point ° d ONLN dY ` ó )? dropOffset; ° d ONLN de !* ¡ (F ? dropOffset.h = dropOffset.v = 4; ° d ONLN dÜ) !4 *
-SetSampleData(mh,(void *)&dropOffset,'drpo'); ° d ONLN d¥3 !> È *
The error ° d ONLN d• K · )3 auxiliaryExportDataUnavailable ° d ONLN d√
· Ê )ñ ° d ONLN dƒ
Ê⁄ ).has been added. It will be returned by a Movie ° d ONLN dÛ " î (> 6Export Component when ° d ONLN d î" )|MovieExportGetAuxiliaryData ° d ONLN d$" )á is called requesting ° d ONLN d:"⁄ )da type of auxiliary ° d ONLN dN" . ÷ (J 6(data that the component cannot generate. ° d ONLN dy: <E ˙ +$&auxiliaryExportDataUnavailable = -2058 ° d ONLN d†P \ „ (x 6%The Sound Movie Export component has ° d ONLN d≈P „\⁄ )À/been updated to take advantage of the new Sound ° d ONLN dı\ h (Ñ 6Manager. Previously, ° d ONLN d
\ h⁄ )gFonly the first sound track in the movie was exported. Now sound tracks ° d ONLN dQh t Ò (ê 6-are mixed together before being exported. If ° d ONLN d~h Òt⁄ )Ÿ/your application wants to take advantage of the ° d ONLN dÆt Ä ® (ú 6sound mixing, you can use ° d ONLN d»u ®Ä )êPutMovieIntoTypedHandle ° d ONLN dfltÄa )s. It will take ° d ONLN dÓtaÄ⁄ )Fadvantage of the export ° d ONLN d Ä åQ (® 6>component. Furthermore, you can now specify the format of the ° d ONLN d DÄQå⁄ (®oexported sound, so you can ° d ONLN d _å ò9 (¥ 6>convert 16 bit sound to 8 bit sound, or reduce stereo to mono. fl 4fl˘
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April 1993 . 4 .˘ ° d ONLN d ! ( Ÿ ( D ? MovieExportSetSampleDescription G = G˘ ,
Courier ° d ONLN d 4 ! ? º * MovieExportSetSampleDescription ° d ONLN d ? 3 º ?û )õ0 allows an application to request the format of ° d ONLN d o 3û ?⁄ )‚ the exported ° d ONLN d | ? ! K w ( g ?data, the routine ° d ONLN d é @ w K )V MovieExportSetSampleDescription ° d ONLN d ≠ ? Kä )õ has been added. This ° d ONLN d √ ?ä K⁄ )xcall is currently ° d ONLN d ’ K ! W ( s ?.supported by the Movie Export Sound Component. ° d ONLN d a ! l± *Ppascal ComponentResult MovieExportSetSampleDescription(MovieImportComponent ci, ° d ONLN dU k < v' +
0x80008001 ° d ONLN dX µ ¿Å )H Get a new component instance. ° d ONLN dv … ! ’ › ( Ò ? MovieImportGetAuxiliaryDataType Ù = Ù˘ ° d ONLN dñ ◊ ! ‚ º * MovieImportGetAuxiliaryDataType ° d ONLN dµ ÷ º ‚¶ )õ6 should return the type of the auxiliary data that it ° d ONLN dÎ ÷¶ ‚⁄ )Í can accept. ° d ONLN d˜ ‚ ! Ó î (
?This is useful if you are ° d ONLN d ‚ î Ó⁄ )sDinterested with import components directly. For example, if you call ° d ONLN dV Ó ! ˙≈ ( ?athe text import component with this call, it will indicate that it can accept 'styl' information. ° d ONLN d∏ !∂ *Qpascal ComponentResult MovieImportGetAuxiliaryDataType(MovieImportComponent ci, ° d ONLN d
< å +
OSType *auxType) ° d ONLN d" !- + (I ?ci ° d ONLN d " Ñ-ç )c5The movie import component instance. Retrieve it with ° d ONLN dT, Ñ7B *
&OpenDefaultComponent or OpenComponent. ° d ONLN d{6 !A D (] ?auxType ° d ONLN dÉ6 ÑA ˜ )cPointer to the type of ° d ONLN dö6 ˜A⁄ )s,auxiliary data it can import. For example, a ° d ONLN d«@ ÑK– (g ¢@text import component can bring in 'text' data. But, if it says ° d ONLN d@–K⁄ (gÓit ° d ONLN d
J ÑU È (q ¢can return 'styl', ° d ONLN d J ÈU⁄ )e,then it will import the style information as ° d ONLN dJT Ñ_ ù ({ ¢well. ° d ONLN dPj !v C (í ?Errors ° d ONLN dXv !Å Ö * badComponentInstance ° d ONLN dmv ®Å ⁄ )á
0x80008001 ° d ONLN dxv Å— )H-Your movie import component reference is bad. ° d ONLN d¶å ò Ù (¥ 61Here is a new data structure for the text export ° d ONLN d◊å Ùò⁄ )‹1component. This data is useful after a text track ° d ONLN d ò §√ (¿ 6Zhas been exported. An application may want to know the way the text was stored as a track. ° d ONLN dd∞ !ª q + typedef struct { ° d ONLN dv∫ <≈ P +
long ° d ONLN d|∫ Ñ≈ ≈ )HdisplayFlags; ° d ONLN dム<œ P (Î Zlong ° d ONLN dëƒ Ñœ fi )HtextJustification; ° d ONLN d•Œ <Ÿ d (ı ZRGBColor ° d ONLN dÆŒ ÑŸ ¨ )HbgColor; ° d ONLN d∏ÿ <„ P (ˇ ZRect ° d ONLN dæÿ Ñ„ ¨ )HtextBox; ° d ONLN d»‚ <Ì U ( Zshort ° d ONLN dœ‚ ÑÌ ¿ )H beginHilite; ° d ONLN d›Ï <˜ U ( Zshort ° d ONLN d‰Ï ј ∂ )H
endHilite; ° d ONLN dˆ < d ( ZRGBColor ° d ONLN d˘ˆ Ñ ¿ )H hiliteColor; ° d ONLN d < _ (' ZBoolean ° d ONLN d Ñ )HdoHiliteColor; ° d ONLN d
< i (1 Z TimeValue ° d ONLN d)
Ñ œ )HscrollDelayDur; ° d ONLN d: < U (; ZPoint ° d ONLN dA Ñ Ÿ )HdropShadowOffset; ° d ONLN dT <) U (E Zshort ° d ONLN d[ Ñ) ˜ )HdropShadowTransparency; ° d ONLN ds( !3 { (O ?} TextDisplayData; fl 4fl˘
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. +6,Macintosh Technical Notes . 4 .˘ ° d ONLN d ! ( ∞ + TextExportGetDisplayData G = G˘ ,
Courier ° d ONLN d * ! 5 ô *TextExportGetDisplayData ° d ONLN d 1 ) ô 5q )x, returns the text display data for the text ° d ONLN d ] )q 5⁄ )ÿsample that was last ° d ONLN d r 5 ! Aq ( ] ?Gexported by the given text export component. After exporting text from ° d ONLN d π 5q A⁄ ( ]èa text track, it is often ° d ONLN d ” A ! M; ( i ?>useful to find out about the text track characteristics. This ° d ONLN d A; M⁄ ( iY"data structure contains this extra ° d ONLN d4 M ! Y [ ( u ? information. ° d ONLN dA c ! né *Ipascal ComponentResult TextExportGetDisplayData(TextExportComponent ci, ° d ONLN dã m < x ™ +
TextDisplayData *data) ° d ONLN d¢ Å ! å + ( ® ?ci ° d ONLN d• Å Ñ åà )c4The text export component instance. Retrieve it with ° d ONLN d⁄ ã Ñ ñB *
&OpenDefaultComponent or OpenComponent. ° d ONLN d ï ! † X ( º ? displayData ° d ONLN d ï Ñ †) )c!Pointer to the text display data. ° d ONLN d/ ´ ! ∑ C ( ” ?Errors ° d ONLN d7 ∑ ! ¬ Ö * badComponentInstance ° d ONLN dL ∑ ® ¬ ⁄ )á
movies) is ° d ONLN d† $ — (@ 6&made easier with QuickTime’s flexible ° d ONLN dΔ —$ )π DrawPicture ° d ONLN d—$u )7 calls. To enable color ° d ONLN dÍu$⁄ )mmatching you simply ° d ONLN d˛$ 0 ; (L 6set the ° d ONLN d% ;0 ã )#useColorMatching ° d ONLN d$ ã0 ≤ )P flag in ° d ONLN d $ ≤0⁄ )'=the flags parameter to these calls. You can set the flag even ° d ONLN d]0 <1 (X 6=when ColorSync is not installed, although it will be ignored. ° d ONLN dúH <S † +$useColorMatching = 4 ° d ONLN d±j x fl (î 6 Sequence Grabber Enhancement ó 4ó˘ ° d ONLN dŒÖ ë  *(The Sequence Grabber component has just ° d ONLN dˆÖ ÂëJ )Õone flag added to it. ° d ONLN d ÜJëÆ )egrabPictCurrentImage ° d ONLN d ÖÆë⁄ )d is a new ° d ONLN d*ë ù M (π 6 flag to the ° d ONLN d6í Mù )5
SGGrabPict ° d ONLN d¢µÜ¡… )2 with this flag. ° d ONLN d¥Õ <ÿ ¥ (Ù ZgrabPictCurrentImage = 4 ° d ONLN dÕÔ ˝ Ω ( 6Image Codec Enhancement 4 ˘ ° d ONLN dÂ
c *;The interface for image codecs has three new functions and ° d ONLN d
c⁄ (2Åone new flag defined. ° d ONLN d6 " ï (> 6codecConditionFirstScreen ° d ONLN dO ï"ú )}9 is a new codec condition flag to the ImageCodec.h file. ° d ONLN dä, <7 · (S Z!#define codecConditionFirstScreen ° d ONLN d¨, 7 )¥(1L<<12) ° d ONLN dµB N– (j 6UThe Standard Compression Dialog now provides Compressor Components with the option of ° d ONLN d N Z≠ * Xdisplaying their own settings within the dialog. If a compressor supports the dialog, an ° d ONLN ddZ f÷ * ^additional button will appear. The compressors settings are saved with the standard compressor ° d ONLN d√f r l * settings when the
° d ONLN d’f lr ¢ )T SCGetInfo ° d ONLN dfif ¢r )6 call is used with the
° d ONLN dıfrv )bscCodecSettingsType ° d ONLN d fvr‘ )r flag. The codec can ° d ONLN d r ~< (ö 6?implement the functionality using the following three routines. fl 4fl˘
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April 1993 . 4 .˘ ° d ONLN d ( ! 4 á ( P ?CDRequestSettings S = S˘ ,
#*rp, ModalFilterProcPtr filterProc) ° d ONLN d. £ ! Æ + *ci ° d ONLN d1 £ Ñ Æ )c Component instance of codec. ° d ONLN dN ≠ ! ∏ I ( ‘ ?settings ° d ONLN dW ≠ Ñ ∏Œ )cBHandle of data specific to the codec. If the handle is empty, the ° d ONLN dö ∑ Ñ ¬o *
/codec should use some type of default settings. ° d ONLN dà ¡ ! à + ( Ë ?rp ° d ONLN dœ ¡ Ñ Ã ± )cPointer ° d ONLN d◊ ¡ ± Ã⁄ )-3to rectangle giving the coordinates of the Standard ° d ONLN d À Ñ ÷° ( Ú ¢9Compression dialog in screen coordinates. The codec can ° d ONLN dD À° ÷⁄ ( Úø use this to ° d ONLN dP ’ Ñ ‡É ( ¸ ¢3position its dialog in the same area of the screen. ° d ONLN dÑ fl ! Í S ( ?
filterProc ° d ONLN dè fl Ñ Íº )c:A pointer to modal dialog filter proc that the codec must ° d ONLN d… flº Í⁄ (⁄either ° d ONLN d– È Ñ Ùí ( ¢4pass to ModalDialog or call at the beginning of the ° d ONLN d Èí Ù⁄ (∞codec dialog's ° d ONLN d Û Ñ ˛ô ( ¢1filter. This proc gives the calling application ° d ONLN dD Ûô ˛⁄ (∑ and Standard ° d ONLN dQ ˝ Ñj ($ ¢.Compression a chance to process update events. ° d ONLN dÄ ! o (9 ?CDGetSettings < =<˘ ° d ONLN dé) !4 b *CDGetSettings ° d ONLN dõ( b4ï )A@ allows a codec to get the settings chosen by a user. From this ° d ONLN d€(ï4⁄ (P≥call, the codec ° d ONLN dÎ4 !@ D (\ ?should ° d ONLN dÚ4 D@⁄ )#[return its current internal settings. If there are no current settings or the settings are ° d ONLN dN@ !LF (h ?@the same as the defaults, the codec can set the handle to empty. ° d ONLN dèb !mù *!Lpascal ComponentResult CDGetSettings(ComponentInstance ci, Handle settings) ° d ONLN d‹v !Å + *ci ° d ONLN dflv ÑÅ )c Component instance of codec. ° d ONLN d¸Ä !ã I (ß ?settings ° d ONLN dÄ Ñ㌠)cBA handle that the codec should resize and fill in with the current ° d ONLN dHä Ñï… *
Ainternal settings. It should be resized to empty if there are no ° d ONLN däî Ñü *
current internal settings. ° d ONLN d•™ !∂ m (“ ?CDSetSettings ’ =’˘ ° d ONLN d≥¬ !Õ b *CDSetSettings ° d ONLN d¿¡ bÕ » )A allows a codec to set ° d ONLN d◊¡ »Õ⁄ )f;the settings of the optional dialog. Set the codecs current ° d ONLN dÕ !Ÿƒ (ı ?Zinternal settings to the state specified in the settings handle. The codec should always ° d ONLN dmÕƒŸ⁄ (ı‚do a ° d ONLN drŸ !Âü ( ?Uvalidity check on the contents of the handle so that invalid settings are never used. ° d ONLN d»Ô !˙ù *Lpascal ComponentResult CDSetSettings(ComponentInstance ci, Handle settings) ° d ONLN d ! + *ci ° d ONLN d Ñe )c-Component Instance of movie import component. ° d ONLN dF ! I (4 ?settings ° d ONLN dO ѵ )c=A handle to internal settings original returned by either the ° d ONLN dç Ñ"ÿ *
DCDRequestSettings or CDGetSettings calls. The codec should set it's ° d ONLN d“! Ñ,… *
Ainternal settings to match those of the settings handle. Because ° d ONLN d + Ñ6” *
Cthe codec does not own the handle, it should not dispose of it, and ° d ONLN d X5 Ñ@µ *
=should only copy its contents, not the handle itself. If the ° d ONLN d ñ? ÑJ∞ *
<settings handle passed in is empty, the codec should set its ° d ONLN d ”I ÑT= *
%internal settings to a default state. fl 4fl˘
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. +6,Macintosh Technical Notes . 4 .˘ ° d ONLN d ( :, *) New Component Manager Features Y 4 Y˘ ° d ONLN d H T’ *YThe Component Manager in QuickTime 1.6 has some new features. The result returned for the ° d ONLN d y T ` A *
selector, ,
Courier ° d ONLN d É U A ` † ))gestaltComponentMgr ° d ONLN d ñ T † `≠ )_9, will be 3, indicating version number 3 of the Component ° d ONLN d – ` lŸ ( à 6bManager. It has added the ability to automatically resolve conflicts between different versions of ° d ONLN d3 l xà * \the same Component. It will ensure that only the most recent version of a given component is ° d ONLN dê x Ñ¥ * Vactually registered. In addition, the Component Manager now supports Icon Suites for a ° d ONLN dÁ Ñ êÇ * JComponent, so a Component’s icon no longer has to be just black and white. ° d ONLN d3 û ™ 0 *The ° d ONLN d7 ü 0 ™ Ö )ComponentResource ° d ONLN dH û Ö ™ë )U4 data structure can now have an optional extension. ° d ONLN d| ûë ™⁄ ( ΔØThis extension ° d ONLN dã ™ ∂∂ ( “ 6Vdefines additional information about the Component. The data structure is shown below. ° d ONLN d‚ ¡ à « *#struct ComponentResourceExtension { ° d ONLN d À < ÷ P +$
long ° d ONLN d À ` ÷ µ )$componentVersion; ° d ONLN d À ÷r )ê/* version of Component */ ° d ONLN d; ’ < ‡ P ( ¸ Zlong ° d ONLN d@ ’ ` ‡ ” )$componentRegisterFlags; ° d ONLN dX ’ ‡| )ê /* flags for registration */ ° d ONLN dv fl < Í U ( Zshort ° d ONLN d| fl ` Í ø )$componentIconSuite; ° d ONLN dë fl Íã )ê /* resource id of Icon Suite */ ° d ONLN d± È Ù " ( 6}; ° d ONLN d¥ Û ˛q *
componentDoAutoVersion = 1<<0, ° d ONLN d:¡ <Ã ‹ *
componentWantsUnregister = 1<<1, ° d ONLN d\À <÷ ˇ *
'componentAutoVersionIncludeFlags = 1<<2 ° d ONLN dÑ’ ‡ " (¸ 6}; ° d ONLN dáÍ ˆ 0 *The ° d ONLN dãÎ 0ˆ û )componentDoAutoVersion ° d ONLN d°Í ûˆ º )n flag ° d ONLN dßÍ ºˆ⁄ ) 3tells the Component Manager that you only want your ° d ONLN d€ˆ @ ( 6@Component registered if there is no later version available. If ° d ONLN dˆ@⁄ ( ^ there is an older version of the ° d ONLN d< Ñ (* 6IComponent installed, it will be unregistered. If an older version of the ° d ONLN dÖÑ⁄ (*¢same Component ° d ONLN dî ¿ (6 6(attempts to register after you, it will ° d ONLN dº ¿⁄ )®;be immediately unregistered. Further, if a newer version of ° d ONLN d¯ & (B 61the same Component registers after you, you will ° d ONLN d )&⁄ )˘(automatically be unregistered. Using the ° d ONLN d R& 2{ (N 6Iautomatic version control feature of the Component Manager allows you to ° d ONLN d õ&{2⁄ (Nômake sure that only ° d ONLN d Ø2 > E (Z 6 the most ° d ONLN d ∏2 E>⁄ )-Precent version of your software is running on a given machine, regardless of how ° d ONLN d
> J ¥ (f 6 many versions many be installed. ° d ONLN d
*V b - *The ° d ONLN d
.W -b • )componentWantsUnregister ° d ONLN d
FV •b )x flag indicates that your ° d ONLN d
`Vb⁄ )q'Component wants to be called when it is ° d ONLN d
àb n r (ä 6unregistered. This ° d ONLN d
õb rn⁄ )ZIis useful if your component allocates global memory at register time, for ° d ONLN d
Ân zƒ (ñ 6Zexample. The prototype of the unregister message is identical to the register message. If ° d ONLN d ?nƒz⁄ (ñ‚your ° d ONLN d Dz Ü Q (¢ 6
component ° d ONLN d Nz QÜ⁄ )9Mhas never been opened, its unregister message will not be called. The routine ° d ONLN d úÜ í » (Æ 6'selector for unregister is given below. fl 4fl˘
only works ° d ONLN d Œ ! ⁄ù ( ˆ ?Son System 7 or later. If called on System 6, it returns an error. If the Component ° d ONLN do Œù ⁄⁄ ( ˆª doesn’t have ° d ONLN d| ⁄ ! Ê 3 ( ?an ° d ONLN d ⁄ 3 ÊÑ ):Icon Suite but does have a Component Icon (as returned by ° d ONLN dπ €Ñ Ê‘ (¢GetComponentInfo ° d ONLN d… ⁄‘ Ê⁄ )P), ° d ONLN dà Á ! Ú ä ( ?GetComponentIconSuite ° d ONLN d· Ê ä Úo )i1 creates an Icon Suite containing just the black ° d ONLN d Êo Ú⁄ )Âand white Component ° d ONLN d& Ú ! ˛ æ ( ? Icon. In this way, you can use ° d ONLN dE Û æ ˛' )ùGetComponentIconSuite ° d ONLN dZ Ú' ˛Ö )i without regard to ° d ONLN dm ÚÖ ˛⁄ )^whether or not a ° d ONLN d~ ˛ !
M (& ?<Component has an Icon Suite or just simply a Component Icon. ° d ONLN dª !"r *BFor more details on Icon Suites, see the Tech Note on Icon Suites ° d ONLN d˝r"⁄ (>ê(M.IM.IconDrawing), ° d ONLN d" !. Œ (J ?!"Drawing Icons the System 7 Way". ° d ONLN d3: !Eò *Kpascal OSErr GetComponentIconSuite(Component aComponent, Handle *iconSuite) ° d ONLN dP ![ S *
aComponent ° d ONLN däP Ñ[o )c/Component id, retrieved with FindNextComponent. ° d ONLN d∫Z !e N (Å ? iconSuite ° d ONLN dƒZ Ñe[ )c+Pointer to the icon suite you will receive. ° d ONLN dp !| C (ò ?Errors ° d ONLN d¯| !á û * invalidComponentID -3000 ° d ONLN d| ®áM )á!Component reference is not valid. ° d ONLN d4® ∫ € (’ 6QuickTime 1.6 Bug Fixes Ÿ 4Ÿ˘ ° d ONLN dL» ‘Õ *YQuickTime 1.6 fixes all known bugs in QuickTime 1.5. Many of these bugs are listed below. ° d ONLN d¶‡ Ï f *Movie Toolbox ° d ONLN d¥¯ ! ¯ + +• The Movie Toolbox interesting time calls ° d ONLN dfl¯ ¯⁄ )◊,have been substantially improved. The values ° d ONLN d * (, H/returned are much more consistant and accurate. ° d ONLN d< !( ( (D ?• ° d ONLN d> (( d ) GetMoviePict ° d ONLN dJ d( Ò )< has two major improvements: ° d ONLN dg) 34 o (P Q GetMoviePict ° d ONLN ds( o4] )<2 no longer fails on certain Compact Video movies. ° d ONLN d¶5 3@ o (\ Q GetMoviePict ° d ONLN d≤4 o@ò )<> now reports out of memory errors rather than returning empty ° d ONLN d4ò@⁄ (\∂pictures when ° d ONLN d˛@ 3L | (h Qmemory is low. ° d ONLN dX !d ( (Ä ?• ° d ONLN dY (d á )UpdateMovieResource ° d ONLN d"X ád/ )_& has been fixed for single fork files. ° d ONLN dIp !|Ø (ò ?X• Editing movie's with alternate tracks no longer causes duplicate tracks to be created. fl 4fl˘
(Ú 6QuickTime 1.6 Tech Note (Ú÷15 )
of 18 ˇ§ ◊# ˇ ˇˇˇˇ # ◊
d , Times
. +6,Macintosh Technical Notes . 4 .˘ ° d ONLN d ! (_ + B• Movie Uncover Procedures have been significantly improved. If a ° d ONLN d B _ (⁄ ( D}movie with tracks that are ° d ONLN d ] ( * 4? ( P H7semi-transparent has a Movie Uncover procedure set (by ,
Courier ° d ONLN d î )? 4ô ( P]SetMovieCoverProcs ° d ONLN d ¶ (ô 4µ )Z), the ° d ONLN d ≠ (µ 4⁄ ) uncover ° d ONLN d µ 4 * @ · ( \ H$procedure is now called before each ° d ONLN d Ÿ 4 · @⁄ )∑2frame to fill/erase the background. Previously the ° d ONLN d @ * L ø ( h H Movie Toolbox performed the ° d ONLN d( @ ø L⁄ )ï:erase, which limited a cover procedure aware application's ° d ONLN dc L * X P ( t Hoptions. ° d ONLN dl d ! p ¯ ( å ?*• The dialog sequence that appears when a ° d ONLN dñ d ¯ p⁄ )◊,movie data file is lost has been reworked to ° d ONLN d√ p * | ( ò H6eliminate the "This is not a valid movie file" dialog. ° d ONLN d˙ à ! î° ( ∞ ?H• Fixed problem with deactivating and reactivating Compact Video movies ° d ONLN dB à° î⁄ ( ∞ø that caused ° d ONLN dN î * † ” ( º H"“shimmering” effects in the image. ° d ONLN dq ¨ ! ∏ ( ( ‘ ?• ° d ONLN ds ≠ ( ∏ Ç )GetMoviePosterPict ° d ONLN dÖ ¨ Ç ∏, )Z# now properly handles tracks which ° d ONLN d® ¨, ∏⁄ )™%are only in the poster and not in the ° d ONLN dŒ ∏ * ƒ I ( ‡ Hmovie. ° d ONLN d’ – ! ‹ fl ( ¯ ?'• Movies played in loop mode using the ° d ONLN d¸ – fl ‹⁄ )æ2Movie Controller no longer briefly pause when they ° d ONLN d/ ‹ * Ë) ( H5jump from the end back to the beginning of the movie. ° d ONLN de Ù r ( 6Movie Controller ° d ONLN dv !É + J• The Movie Controller performs much smarter drawing, so it takes up less ° d ONLN d¿ É⁄ (4°time during movie ° d ONLN d“ *$ W (@ H playback. ° d ONLN d‹0 !<∂ (X ?V• The Movie Controller no longer leaves the port clip changed after drawing the badge. ° d ONLN d3H T Ü (p 6Movie Import/Export ° d ONLN dG` !lπ + S• The Import AIFF Sound File to Movie component now always imports the entire file. ° d ONLN dõx !Ñ ì *• The PICT and PICS ° d ONLN dØx ìÑ⁄ )r=import components no longer scale down images larger than the ° d ONLN dÌÑ *ê K (¨ Hscreen. ° d ONLN dıú ® Å (ƒ 6Text Media Handler ° d ONLN d¥ !¿ ó + • When multi-line text is ° d ONLN d"¥ ó¿⁄ )vCgrown, lines after line 1 were not displayed. The bug did not occur ° d ONLN df¿ *à ‰ (Ë H'when grown exactly 2x. It is now fixed. ° d ONLN déÿ !‰ á ( ?• Empty text samples ° d ONLN d£ÿ á‰⁄ )fCsometimes caused the Text Media Handler to lose track of subsequent ° d ONLN dÁ‰ * ù ( Htext size. It is now fixed. ° d ONLN d¸ ! ( ($ ?• ° d ONLN d˝ ( P )FindText ° d ONLN d¸ P w )( did not ° d ONLN d¸ w⁄ )'Kdo "case insensitive" searches properly. Furthermore it tried to dispose of ° d ONLN db * (0 H4the text string that was passed in. It is now fixed. ° d ONLN dó !, ( (H ?• ° d ONLN dô! (, P )FindText ° d ONLN d° P,Ü )(@ "wrap around" search did not always work properly. It now does. ° d ONLN d‚8 !D] (` ?C• Hilite text samples did not always display properly. They now do. ° d ONLN d&P !\ Δ *"• If the track contained multiple ° d ONLN dHP Δ\⁄ )•5text descriptions, performance was sometimes severely ° d ONLN d~\ *h ° (Ñ Hdegraded -- not anymore. ° d ONLN dót !Ä( (ú ?8• Text clipping and scrolling is now much more reliable. ° d ONLN d–å ò ∞ (¥ 6Image Compression Manager ° d ONLN dͧ !∞ % + • ° d ONLN dϧ *∞ ? ) The ° d ONLN d• ?∞ v ) AlignWindow ° d ONLN d˚§ v∞h )77 call has been fixed to respect vertical repositioning. fl 4fl˘
April 1993 . 4 .˘ ° d ONLN d ( 4 i ( P 6Compact Video ° d ONLN d @ ! L % + • ° d ONLN d @ * L Ç ) In some cases, the ° d ONLN d # @ Ç L⁄ )XFCompact Video compressor allowed the data rate to exceed the limit set ° d ONLN d j L * X l ( t Hby the calling ° d ONLN d y L l X⁄ )BIapplication, causing playback problems from CD. QuickTime 1.6 fixes this ° d ONLN d √ X * d ? ( Ä Hbug. ° d ONLN d » p ! | % ( ò ?• ° d ONLN d p * | ) ,Decompressing gray scale Compact Video data ° d ONLN d ˆ p |⁄ )Ì'to an 8-bit color destination no longer ° d ONLN d | * à P ( § Hcrashes. ° d ONLN d' î † ó ( º 6Photo CD Decompressor ° d ONLN d= ¨ ! ∏ % + • ° d ONLN d? ¨ * ∏' ) 4More accurate colors in decompression are displayed. ° d ONLN dt ƒ – ë ( Ï 6Standard Compression ° d ONLN dâ ‹ ! Ë % + • ° d ONLN dã ‹ * Ë 5 ) If ,
Courier ° d ONLN dé › 5 Ë ô ) scAllowZeroFrameRate ° d ONLN d¢ ‹ ô Ë( )d" is true, default to 0 frame rate. ° d ONLN d≈ Ù ! % ( ?• ° d ONLN d« Ù * ú ) JThe key frame rate now updates correctly when changed from hook procedure. ° d ONLN d ! % (4 ?• ° d ONLN d *K ) >Rate-constrain item checked if non-zero default value present. ° d ONLN dS$ 0 w (L 6Sequence Grabber ° d ONLN dd< !H % + • ° d ONLN df< *H= ) 8Sound wouldn’t get restarted or turned off correctly if ° d ONLN dû<=H⁄ (d[ the record bit wasn’t set in its ° d ONLN døH *T π (p H channel usage. It is now fixed. ° d ONLN dfl` !l % (à ?• ° d ONLN d·` *la ) DVideo panel does not bus error if the digitizer doesn't support hue. ° d ONLN d&x Ñ Ü († 6Component Manager ° d ONLN d8ê !ú } + • The Component ° d ONLN dHê }ú⁄ )\BManager no longer changes the current resource file when loading a ° d ONLN dãú *® d (ƒ H
Component. ° d ONLN dñ¥ !¿ * (‹ ?• ° d ONLN dò¥ *¿⁄ ) QThe Component Manager now tracks files using File ID's when possible, rather than ° d ONLN dÍ¡ *à H * FSSpec ° d ONLN d¿ Hà R ) 's. ° d ONLN dÙÿ !‰ % ( ?• ° d ONLN dˆÿ *‰ Ê ) &Fixed obscure boot problem that would ° d ONLN d ÿ ʉ⁄ )º/hang the machine when a component was called to ° d ONLN dL‰ *Z ( H>register and the system heap was extremely low on free memory. ° d ONLN d㸠! % ($ ?• ° d ONLN dç¸ * o ) It is now OK ° d ONLN dö¸ o ˚ )Eto pass an empty handle to ° d ONLN dµ˝ ˚K )åGetComponentInfo ° d ONLN d≈¸K⁄ )P . This is helpful, since it can ° d ONLN d * c (0 H return them. ° d ONLN dÚ* 6 y (R 6Further Reference: U 4U˘ ° d ONLN d7 *C . +• ° d ONLN d7 <C é )Inside Macintosh ° d ONLN d7 éC » )R , QuickTime ° d ONLN d#C *O . (k H• ° d ONLN d%C <O é )Inside Macintosh ° d ONLN d5C éO )R, QuickTime Components fl 4fl˘
