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//

//  File:       AddEffectSegment.h

//

//  Contains:   Sample code for adding a visual effect to a segment of a movie.

//

//  Written by: Tim Monroe

//

//  Copyright:  © 1999 by Apple Computer, Inc., all rights reserved.

//

//  Change History (most recent first):

//

//     <1>      05/05/99    rtm     first file; ole!

//     

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//

// header files

//

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#include <Movies.h>

#include <Sound.h>

#include <Endian.h>

#include <ImageCodec.h>

#include <MediaHandlers.h>

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//

// compiler flags

//

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#define USES_MAKE_IMAGE_DESC_FOR_EFFECT 0       // use MakeImageDescriptionForEffect (QT 4.0 and later)

#define COPY_MOVIE_MEDIA                1       // 0 == effect source track references original media; 1 == copy media

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//

// constants

//

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// effects sources names

#define kSourceOneName                  FOUR_CHAR_CODE('srcA')

#define kSourceTwoName                  FOUR_CHAR_CODE('srcB')

#define kSourceThreeName                FOUR_CHAR_CODE('srcC')

#define kSourceNoneName                 FOUR_CHAR_CODE('srcZ')

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//

// function prototypes

//

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OSErr                       QTEffSeg_AddEffectToMovieSegment (Movie theMovie, OSType theEffectType, long theNumSources, TimeValue theStartTime, TimeValue theDuration);

QTAtomContainer             QTEffSeg_CreateEffectDescription (OSType theEffectName, OSType theSourceName1, OSType theSourceName2);

OSErr                       QTEffSeg_AddTrackReferenceToInputMap (QTAtomContainer theInputMap, Track theTrack, Track theSrcTrack, OSType theSrcName);

ImageDescriptionHandle      QTEffSeg_MakeSampleDescription (OSType theEffectType, short theWidth, short theHeight);

short                       QTEffSeg_GetFrontmostTrackLayer (Movie theMovie, OSType theTrackType);