/**

 *  filename: MyMovie.m

 *  created : Thu Apr  5 19:30:27 2001

 *  LastEditDate Was "Wed May 30 14:51:39 2001"

 *

 */

/*

    Copyright (c) 1997-2001 Apple Computer, Inc.

    All rights reserved.

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        subject to these terms, Apple grants you a personal, non-exclusive

        license, under Apple's copyrights in this original Apple software (the

        "Apple Software"), to use, reproduce, modify and redistribute the Apple

        Software, with or without modifications, in source and/or binary forms;

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*/

#import "MyMovie.h"

#import <unistd.h>

#import <fcntl.h>

#import <Carbon/Carbon.h>

#import <QuickTime/QuickTime.h>

#define TIME_SCALE 600

static BOOL WriteMovieToPath(Movie movie, NSString *path);

static OSErr MovieDrawingComplete(Movie theMovie, long refCon);

@implementation MyMovie

+ (MyMovie *)emptyMovie

{

    Movie movie;

    long int flags;

    flags = 0;

    flags |= newMovieActive;

    movie = NewMovie(flags);

    return [[[[self class] alloc] initWithMovie:movie] autorelease];

}

- (void)setDelegate:(id)delegate

{

    if (delegate){

        SetMovieDrawingCompleteProc([self QTMovie],movieDrawingCallWhenChanged,MovieDrawingComplete,(long)self);

    }

    _delegate = delegate;

}

- delegate

{

    return _delegate;

}

- (void)dealloc

{

    [_notificationTimes release];

    [_posterImage release];

    [super dealloc];

}

- (NSImage *)posterImage

{

    if (_posterImage == nil){

        PicHandle       picHandle;

        int             imageSize;

        void           *picBytes;

        NSData         *data;

        NSPICTImageRep *imageRep;

        picHandle = GetMoviePosterPict([self QTMovie]);

        if (picHandle){

            imageSize = GetHandleSize((Handle)picHandle);

            picBytes  = (*picHandle);

            data         = [NSData dataWithBytes:picBytes length:imageSize];

            imageRep     = [NSPICTImageRep imageRepWithData:data];

            _posterImage = [[NSImage alloc] initWithSize:[imageRep size]];

                /* Convert the PIC image rep to a tiff image rep */

            [_posterImage lockFocus];

            [imageRep drawAtPoint:NSMakePoint(0,0)];

            [_posterImage unlockFocus];

            KillPicture(picHandle);

        }else{

            NSLog(@"Hey the movie doesn't have a PosterPic");

        }

    }

    return _posterImage;

}

- (BOOL)insertImage:(NSImage *)image  sourceStartTime:(long int)srcIn

                                   sourceDurationTime:(long int)srcDuration

{

    OSErr                  err;

    Track                  newTrack;

    Media                  newMedia;

    MovieImportComponent   importer;

    NSData                *imageData;

    long int               dataSize;

    Handle                 imageHandle;

    ImageDescriptionHandle imageDescription;

    Handle                 dataHandle;

    Handle                 dataRef;

    imageData = [image TIFFRepresentation];

    dataSize = [imageData length];

    (void)PtrToHand([imageData bytes], &imageHandle, dataSize);

    newTrack = NewMovieTrack([self QTMovie],

                                (long)([image size].width) << 16, /* Convert long to Fixed */

                                (long)([image size].height) << 16, /* Convert long to Fixed */

                                kNoVolume);

    err = GetMoviesError();

    if (err != noErr){

        return NO;

    }

        /* Allocate some memory for the Track's Media otherwise there is no place to store

         * it. the dataRef should be a handle to a handle if its stored in memory

         */

    dataHandle = NewHandle(0);

    (void)PtrToHand(&dataHandle, &dataRef, sizeof(dataHandle));

    newMedia = NewTrackMedia(newTrack,VIDEO_TYPE,TIME_SCALE,dataRef,HandleDataHandlerSubType);

    err = GetMoviesError();

    if (err != noErr){

        return NO;

    }

    err = BeginMediaEdits(newMedia);

    err = OpenADefaultComponent(GraphicsImporterComponentType, kQTFileTypeTIFF, &importer);

    if (err != noErr){

        CloseComponent(importer);

        EndMediaEdits(newMedia);

        return NO;

    }

    err = GraphicsImportSetDataHandle(importer, imageHandle);

    if (err != noErr){

        return NO;

    }

    err = GraphicsImportGetImageDescription(importer, &imageDescription);

    if (err != noErr){

        return NO;

    }

    (*imageDescription)->dataSize = 0; /* Looks like its already set like this */

    err = AddMediaSample(newMedia, imageHandle, 0, dataSize, TIME_SCALE * srcDuration,

                         (SampleDescriptionHandle)imageDescription, 1, 0, NULL);

    if (err != noErr){

        return NO;

    }

    DisposeHandle(imageHandle);

    DisposeHandle((Handle)imageDescription);

    err = EndMediaEdits(newMedia);

    err = InsertMediaIntoTrack(newTrack, srcIn, 0, GetMediaDuration(newMedia), fixed1);

    if (err != noErr){

        return NO;

    }

    return YES;

}

- (long int)movieDuration

{

    return GetMovieDuration([self QTMovie]);

}

- (BOOL)insertMovie:(NSMovie *)newMovie sourceStartTime:(long int)srcIn

                                     sourceDurationTime:(long int)srcDuration

                                  destinationInsertTime:(long int)dstIn

{

    OSErr  err;

    err = InsertMovieSegment([newMovie QTMovie] /* src movie */,

                             [self QTMovie] /* dst movie */,

                             srcIn,srcDuration,

                             dstIn);

    if (err == noErr){

        return YES;

    }

    return NO;

}

- (BOOL)appendMovie:(MyMovie *)movie

{

    return [self insertMovie:movie sourceStartTime:0

                                sourceDurationTime:GetMovieDuration([movie QTMovie])

                             destinationInsertTime:GetMovieDuration([self QTMovie])];

}

- (BOOL)writeToFile:(NSString *)path atomically:(BOOL)value

{

        /* the atomically flag is ignored its always done atomically */

    return WriteMovieToPath([self QTMovie], path);

}

- (Track)firstVideoTrack

{

    return GetMovieIndTrackType([self QTMovie],

                                1, /* index */

                                kCharacteristicCanSendVideo, /* TrackType */

                                movieTrackCharacteristic|movieTrackEnabledOnly /* flags */);

}

- (Track)firstSoundTrack

{

    return GetMovieIndTrackType([self QTMovie],

                                1, /* index */

                                AudioMediaCharacteristic, /* TrackType */

                                movieTrackCharacteristic|movieTrackEnabledOnly /* flags */);

}

- (BOOL)replaceTrack:(Track)origTrack withTrack:(Track)replacementTrack

{

    OSErr     err;

    TimeValue originalTrackDuration;

    Track     newTrack;

    Handle    dataHandle;

    Handle    dataRef;

    originalTrackDuration = GetTrackDuration(origTrack);

    if (originalTrackDuration == 0){

        return NO;

    }

        /* Create a place to put the track data

         */

    dataHandle = NewHandle(0);

    (void)PtrToHand(&dataHandle, &dataRef, sizeof(dataHandle));

        /* Add an empty track to the movie, copying the parameters of the

         * original track in the movie

         */

    err = AddEmptyTrackToMovie(origTrack,[self QTMovie],

                               dataRef,HandleDataHandlerSubType,

                               &newTrack);

    if (err != noErr){

        DisposeHandle(dataHandle);

        return NO;

    }

    err = CopyTrackSettings(origTrack,newTrack);

    if (err != noErr){

        DisposeHandle(dataHandle);

        return NO;

    }

        /* Copy by reference the stuff from replacementTrack into

         * the newly inserted newTrack

         */

    err = InsertTrackSegment(replacementTrack,newTrack,0,originalTrackDuration,0);

    if (err != noErr){

        DisposeHandle(dataHandle);

        return NO;

    }

    DisposeHandle(dataHandle);

    DisposeMovieTrack(origTrack);

    return YES;

}

- (NSArray *)splitMovieAtTime:(long int)splitPoint

{

    MyMovie *movie1;

    MyMovie *movie2;

    NSMutableArray *movies;

    movie1 = [MyMovie emptyMovie];

    movie2 = [MyMovie emptyMovie];

    movies = [NSMutableArray array];

    [movies addObject:movie1];

    [movies addObject:movie2];

    [movie1 insertMovie:self sourceStartTime:0

                          sourceDurationTime:splitPoint

                       destinationInsertTime:0];

    [movie2 insertMovie:self sourceStartTime:splitPoint

                          sourceDurationTime:GetMovieDuration([self QTMovie])

                       destinationInsertTime:0];

    SetMoviePosterTime([movie1 QTMovie],0);

    SetMoviePosterTime([movie2 QTMovie],0);

    return movies;

}

- (void)_notifyDelegate

{

    [[self delegate] movieDrawingComplete:self];

}

@end

static BOOL WriteMovieToPath(Movie movie, NSString *path)

{

    OSErr    err;

    FSRef    fsRef;

    FSSpec   fsSpec;

    NSString *newPath;

    newPath = [NSString stringWithFormat:@"%@~",path];

    err = FSPathMakeRef([newPath fileSystemRepresentation],&fsRef, NULL /* isDirectory */);

        /* If the error is file not found then lets create it for it */

    if (err == fnfErr){

        int fd;

        fd = open([newPath fileSystemRepresentation],O_CREAT|O_RDWR,0600);

        if (fd < 0){

            return NO;

        }

        write(fd," ",1);

        close(fd);

        err = FSPathMakeRef([newPath fileSystemRepresentation],&fsRef, NULL /* isDirectory */);

    }

    if (err == noErr){

        err = FSGetCatalogInfo(&fsRef, kFSCatInfoNone, NULL /*catalogInfo*/, NULL /*outName*/, &fsSpec, NULL /*parentRef*/);

        if (err == noErr){

            short resId;

            FlattenMovie(movie,

                         flattenAddMovieToDataFork|flattenForceMovieResourceBeforeMovieData,

                         &fsSpec,'TVOD',

                         smSystemScript,

                         createMovieFileDeleteCurFile|createMovieFileDontCreateResFile,

                         &resId,nil);

            CloseMovieFile(resId);

        }

        rename([newPath fileSystemRepresentation],[path fileSystemRepresentation]);

        return YES;

    }

        /* Clean up here */

    unlink([newPath fileSystemRepresentation]);

    return NO;

}

static OSErr MovieDrawingComplete(Movie theMovie, long refCon)

{

    MyMovie *obj;

    obj = (id)refCon;

    [obj _notifyDelegate];

    return noErr;

}