/*

    File:       QTEffects.h

    Contains:   Code to generate a QuickTime movie with a QuickTime video effect in it.

    Written by: Scott Kuechle

                (based heavily on QuickTime SDK QTShowEffect sample code by Tim Monroe)

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

    Change History (most recent first)

        <1>     9/25/99     srk     first file

        <2>     10/19/99    srk     changed cross fade effect to explode effect

*/

Movie                           QTEffects_CreateEffectsMovie();

static void                     QTEffects_CreateTwoTrackMovie( Movie *theMovie,

                                            short   *resRefNum,

                                            short   *resID,

                                            FSSpec  *movieFSSpec,

                                            Track   *videoTrack1,

                                            Track   *videoTrack2);

static OSErr                    QTEffects_GetPictResourceAsGWorld (short theResID,

                                                                    short theWidth,

                                                                    short theHeight,

                                                                    short theDepth,

                                                                    GWorldPtr *theGW);

static OSErr                    QTEffects_AddVideoTrackFromGWorld (Movie *theMovie,

                                                                    GWorldPtr theGW,

                                                                    Track *theSourceTrack,

                                                                    long theStartTime,

                                                                    short theWidth,

                                                                    short theHeight);

static void                     QTEffects_SetupEffectsDescription(OSType    theEffectType,

                                        ImageDescriptionHandle  *mySampleDesc,

                                        QTAtomContainer         *theEffectDesc);

static void                     QTEffects_CreateEffectsTrackAndMedia(Movie myMovie, 

                                            ImageDescriptionHandle  mySampleDesc,

                                            QTAtomContainer         theEffectDesc,

                                            Track *myTrack,

                                            Media *myMedia);

static void                     QTEffects_CreateInputMapAndAddTrackReferences(Track effectsTrack,

                                                    Media   effectsTrackMedia,

                                                    Track   sourceTrack1,

                                                    Track   sourceTrack2);                                          

static void                     QTEffects_CreateEffectDescription (OSType           theEffectName,

                                              OSType            theSourceName1,

                                              OSType            theSourceName2,

                                              QTAtomContainer   *theEffectDesc);

static void                     QTEffects_CreateEffectParameterForExplode(QTAtomContainer       myEffectDesc);

static ImageDescriptionHandle   QTEffects_MakeSampleDescription (OSType theEffectType,

                                                        short theWidth,

                                                        short theHeight);

static OSErr                    QTEffects_AddTrackReferenceToInputMap (QTAtomContainer theInputMap,

                                                                        Track theTrack,

                                                                        Track theSrcTrack,

                                                                        OSType theSrcName);