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Leopard Technical Q&As
QuickTime applications can run on Mac OS X and Microsoft Windows. QuickTime content plays on Mac and Windows computers and on many handheld devices. Content can be served by progressive download from any web server or as real-time streams from streaming servers on all major operating systems. QuickTime supports dozens of file and compression formats for images, video, and audio.

A guided introduction and learning path for developers new to QuickTime.   Essential information for developers using QuickTime.   API references organized by framework.
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Creating Thumbnail PICTs (HTML)
QTICM08: Describes transforming the generic icons of QuickTime PICT-created files into thumbnail icons of these PICTs.
Compression & Decompression 1995-05-01
Determining QuickDrawVideo Media Pixel Depth (HTML)
QTMTB17: Demonstrates how to retrieve the pixel depth of a QuickTime video media or movie.
Media Types & Media Handlers, Movie Basics 1995-05-01
Developing a QuickTime Musical Instrument (HTML)
Deprecated - QTMA05: Explains resolving the lack of QuickTime 2.0 API support for creating new music components.
Audio 1995-05-01
Functions that Modify Movie Properties, QuickTime Track, and Movie Sound Volume (HTML)
QTMTB39: Explains movie volume values, and how to exceed the maximum level using Sound Manager 3.0.
Movie Basics 1995-05-01
GDGetScale (HTML)
Deprecated - QTICM04: Describes the function call GDGetScale, its parameters, and errors it may encounter.
Compression & Decompression 1995-05-01
GDHasScale (HTML)
Deprecated - QTICM03: Describes the function GDHasScale; lists what it returns, its main purpose, parameters, and possible errors.
Compression & Decompression 1995-05-01
GDSetScale (HTML)
Deprecated - QTICM05: Describes the function GDSetScale, its parameters, and the errors it may encounter.
Compression & Decompression 1995-05-01
How to Get the First Video Frame (HTML)
QTMCC01: Describes how to get the first frame of a movie using GetMovieNextInterestingTime.
Movie Basics 1995-05-01
How to Tell Whether a Picture is QuickTime-Compressed (HTML)
QTICM02: Details how to determine whether a picture's QuickTime-compressed, contains QuickTime-compressed images, and type of compression used.
Compression & Decompression 1995-05-01
MCSetClip and Clipping with the Movie Controller (HTML)
QTMTB18: Tells why the movie controller ignores the clip set by SetMovieDisplayClipRgn and shows a correct clipping technique.
Movie Basics, Movie Internals 1995-05-01
PICT, QuickTime-Compressed Testing (HTML)
QTICM09: Details how to determine whether a picture's QuickTime-compressed, contains QuickTime-compressed images, and type of compression used
Compression & Decompression 1995-05-01
Preroll Movies (HTML)
QTMTB42: Lists the advantages of calling PreRollMovie to improve the performance of QuickTime movies.
Movie Basics 1995-05-01
QuickTime & Noise Problems (HTML)
QTPC02: Talks about ways to reduce noise in movies created with the CinePak codec.
Compression & Decompression 1995-05-01
QuickTime & PutMovieIntoDataFork, Offsets (HTML)
QTMTB34: Explains restrictions on moving movie data around in a file after creation; also gives work arounds.
Movie Basics 1995-05-01
QuickTime Sound (HTML)
QTMRF04: Explains what the sowt and the twos format is in QuickTime.
QuickTime for Windows 1995-05-01
QuickTime Toolbox GetMovieTime Call (HTML)
QTMTB38: Provides the calls to change the current time and to reposition a movie to play from the start.
Movie Basics 1995-05-01
Retrieving Audio from QuickTime Files (HTML)
QTMTB30: Describes how to retrieve audio from QuickTime files in 1 second chunks.
Import & Export, Movie Basics 1995-05-01
Setting a Movie's Clipping Region (HTML)
QTMTB23: Explains why ShowMoviePoster doesn't honor the clipping region when clipped to the cell size.
Movie Basics, Movie Internals 1995-05-01
Stepping Through QuickTime-Movie (HTML)
QTMTB28: Describes how to get the first frame of a movie using GetMovieNextInterestingTime.
Movie Basics, Movie Internals 1995-05-01