Source/MovieToImages.c

/*
    File:       MovieToImages.c
    
    Description: This example opens a movie file, allows you to save the movie as a sequence of
                 frames. It then creates a new reference movie from those images and saves it.
                 Sample Movie File : Claymation.mov in the Sample 8-Movies <-> images folder.
 
    Author:     QuickTime Engineering, DTS
 
    Copyright:  © Copyright 1999 - 2002 Apple Computer, Inc. All rights reserved.
    
    Disclaimer: IMPORTANT:  This Apple software is supplied to you by Apple Computer, Inc.
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                please do not use, install, modify or redistribute this Apple software.
 
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                copyrights in this original Apple software (the "Apple Software"), to use,
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    Change History (most recent first): <2> 4/22/02 released as dts sample code
                                        <1> 4/1/99 initial release
 
*/
 
#include "MacShell.h"
 
void MovieToImage( void )
{
    OSErr  err = noErr;
    Handle hOpenTypeList = NewHandle(0);
    long   numTypes = 0;
    FSSpec theFSSpec;
    Boolean isSelected, isReplacing;
    Rect naturalBounds, windowBounds;
    short refNum = -1, resID = 0;
    Movie movie = 0;
    MovieExportComponent movieExporter = 0;
    Boolean canceled = true;
    MovieImportComponent movieImporter = 0;
    Track usedTrack;
    TimeValue addedDuration;
    long outFlags;
    
    if ( !BuildMovieValidFileTypes( hOpenTypeList, &numTypes ) ) {
        HLock( hOpenTypeList );
    } else {
        DisposeHandle( hOpenTypeList );
        return;
    }
 
    err = GetOneFileWithPreview(numTypes, (OSTypePtr)*hOpenTypeList, &theFSSpec, NULL);
    DisposeHandle( hOpenTypeList );
    if ( err ) return;
    
    // open a movie file
    err = OpenMovieFile( &theFSSpec, &refNum, fsRdPerm );
    err = NewMovieFromFile( &movie, refNum, &resID, NULL, newMovieActive, NULL );
    err = CloseMovieFile( refNum );
    refNum = -1;
    
    GetMovieBox( movie, &naturalBounds );
    windowBounds = naturalBounds;
    OffsetRect( &windowBounds, 10, 45 );
    window = NewCWindow( NULL, &windowBounds, "\pMovie <-> Images", true, documentProc, (WindowPtr)-1, true, 0);
    SetPortWindowPort( window );
    
    // play the movie
    SetMovieGWorld( movie, GetWindowPort( window), NULL );
    GoToBeginningOfMovie( movie );
    StartMovie( movie );
    while( false == IsMovieDone( movie ) ) {
        MoviesTask( NULL, 0 );
    }
    StopMovie( movie );
    
    pause();
 
    // save the movie as a sequence of image files.
    err = PutFile( "\pSave as image sequence:", "\psequence", &theFSSpec, &isSelected, &isReplacing);
    if (err) return;
    
    // open a movie exporter
    err = OpenADefaultComponent( MovieExportType,               // component type
                                 GraphicsExporterComponentType, // subType
                                 &movieExporter );              // component instance
    
    // configure the export component by showing the dialog box
    err = MovieExportDoUserDialog( movieExporter,               // component instance
                                   movie,                       // movie to be exported                 
                                   NULL,                        // specific track to export
                                   0,                           // start time
                                   GetMovieDuration( movie ),   // duration to be exported
                                   &canceled );                 // boolean set to true if user canceled
    if( canceled ) return;
    
    // attach a progress function; -1 for default progress function
    SetMovieProgressProc( movie, (MovieProgressUPP)-1, 0 );
    
    // convert the movie into a specified file(s) and type
    err = ConvertMovieToFile( movie,            // movie specifier
                              NULL,             // specific track for export; NULL for all tracks
                              &theFSSpec,       // output file
                              0,                // file type                
                              0,                // file creator
                              smSystemScript,   // script 
                              NULL,             // resource id
                              0,                // flags
                              movieExporter );  // movie export component to use for the operation -- pass in a component instance
                                                // this allows setting any conversion parameters with the export component directly
    
    CloseComponent( movieExporter );
    DisposeMovie( movie );
    movie = 0;
    EraseRect( &naturalBounds );
    
    hOpenTypeList = NewHandle(0);
    // now re-open the sequence of image files as a reference movie
    if ( !BuildGraphicsImporterValidFileTypes( hOpenTypeList, &numTypes ) ) {
        HLock( hOpenTypeList );
    } else {
        DisposeHandle( hOpenTypeList );
        return;
    }
 
    err = GetOneFileWithPreview(numTypes, (OSTypePtr)*hOpenTypeList, &theFSSpec, NULL);
    DisposeHandle( hOpenTypeList );
    if ( err ) return;
 
    // open a movie importer
    err = OpenADefaultComponent( MovieImportType,               // component type
                                 GraphicsImporterComponentType, // subType
                                 &movieImporter );              // component instance
    
    // we're using a movie importer that imports images using graphics importers
    // this subType-specific call enables the "Import Image Sequence..." behaviour,
    // letting the movie importer search for adjacent files with names matching a numeric pattern.                   
    GraphicsImageImportSetSequenceEnabled( movieImporter, true );
    canceled = true;
    
    // configure the import component by showing the user dialog box
    err = MovieImportDoUserDialog( movieImporter,   // component instance
                                   &theFSSpec,      // source file; NULL for handle
                                   NULL,            // data; NULL for file
                                   &canceled );     // boolean set to true if user canceled
    if( canceled ) return;
    
    // create the new movie
    movie = NewMovie(newMovieActive);
    
    // do the import of the sequence
    err = MovieImportFile( movieImporter,   // movie importer component instance
                           &theFSSpec,      // data file
                           movie,           // the movie to recieve the data
                           NULL,            // specific target track
                           &usedTrack,      // pointer to track that received the imported data
                           0,               // time to place imported data 
                           &addedDuration,  // the duration of the data added to the movie
                           0,               // in flags
                           &outFlags );     // out flags
    CloseComponent( movieImporter );
 
    // play the reference movie.
    SetMovieGWorld(movie, GetWindowPort(window), NULL);
    GoToBeginningOfMovie( movie );
    StartMovie( movie );
    while( false == IsMovieDone( movie ) ) {
        MoviesTask( NULL, 0 );
    }
    StopMovie( movie );
    
    // save the reference movie.
    err = PutFile( "\pSave as reference movie:", "\preference movie.mov", &theFSSpec, &isSelected, &isReplacing);
    if (err) return;
 
    // create a movie file; has options controled by flags
    err = CreateMovieFile( &theFSSpec,                      // file specifier
                           FOUR_CHAR_CODE('TVOD'),          // creator
                           smSystemScript,                  // script
                           createMovieFileDeleteCurFile     // flags
                         | createMovieFileDontOpenFile
                         | createMovieFileDontCreateResFile
                         | createMovieFileDontCreateMovie,
                           0,                               // resRefNum; 0 to not open file 
                           0 );                             // newMovie; 0 not to create movie
    // open the movie
    err = OpenMovieFile( &theFSSpec, &refNum, fsRdWrPerm );
    resID = movieInDataForkResID;
    
    // add the movie resource to the file
    err = AddMovieResource( movie, refNum, &resID, NULL );
    err = CloseMovieFile( refNum );
    
    UpdateMovie( movie );
    MoviesTask( NULL, 0 );
    DisposeMovie( movie );
}