ElisMedia.m

   1 //
   2 //  ElisMedia.m
   3 //  Elis Colors
   4 //
   5 //  Created by 柳 on 09/09/12.
   6 //  Copyright 2009 __MyCompanyName__. All rights reserved.
   7 //
   8
   9 #import "ElisMedia.h"
  10
  11
  12 @implementation ElisMedia
  13
  14 // QuickTime X を試すためにかなり書き換えた。
  15 - (id)initWithMovieFile:(NSString*)path
  16 {
  17     image = nil;
  18
  19     movie = [[QTMovie alloc] initWithFile:path error:nil];
  20     [movie gotoBeginning];
  21
  22     QTOpenGLTextureContextCreate(kCFAllocatorDefault,
  23                                  [[mainView openGLContext] CGLContextObj],
  24                                  [[mainView pixelFormat] CGLPixelFormatObj],
  25                                  NULL,
  26                                  &textureContext);
  27
  28     SetMovieVisualContext([movie quickTimeMovie], textureContext);
  29 //    [mainView setContext:textureContext];
  30
  31     attr = [NSDictionary dictionaryWithObjectsAndKeys:
  32             QTMovieFrameImageTypeCIImage, QTMovieFrameImageType,
  33             [NSNumber numberWithBool:YES], QTMovieFrameImageSessionMode,  // 内部でキャッシュしろ
  34             [NSNumber numberWithBool:YES], QTMovieFrameImageHighQuality,  // 画質低下を許さない
  35             [movie attributeForKey:QTMovieNaturalSizeAttribute], QTMovieFrameImageSize, // 勝手にリサイズするな
  36             [NSNumber numberWithBool:NO], QTMovieFrameImageSingleField, // インターレース解除？
  37             nil];
  38 //    [attr retain];
  39
  40     speed = 1.0;
  41     _path = path;
  42     playing = NO;
  43
  44     return self;
  45 }
  46
  47 - (id)initWithImageFile:(NSString*)path
  48 {
  49     movie = nil;
  50     textureContext = nil;
  51     sound = nil;
  52
  53     image = [[CIImage alloc] initWithContentsOfURL:[NSURL fileURLWithPath: path]];
  54
  55     speed = 1.0;
  56     _path = path;
  57     return self;
  58 }
  59
  60 - (id)initWithSoundFile:(NSString*)path
  61 {
  62     movie = nil;
  63     image = nil;
  64     textureContext = nil;
  65     sound = [[QTMovie alloc] initWithFile:path error:nil];
  66     [sound setVolume:0.5]; // あまりにうるさい。
  67     speed = 1.0;
  68     _path = path;
  69     return self;
  70 }
  71
  72 - (id)initWithText:(NSString*)t
  73 {
  74     NSImage* im;
  75     movie = nil;
  76     sound = nil;
  77     text = t;
  78     attr = [[NSMutableDictionary alloc] init];
  79 //    [attr retain];
  80     [attr setValue:[NSFont fontWithName:@"HiraKakuPro-W3" size:24.0f] forKey:NSFontAttributeName];
  81     [attr setValue:[NSColor colorWithCalibratedRed:255 green:255 blue:255 alpha:255] forKey:NSForegroundColorAttributeName];
  82     im = [[NSImage alloc] initWithSize:NSMakeSize(640, 480)];
  83     [im lockFocus];
  84     [t drawInRect:NSMakeRect(0, 0, 640, 480) withAttributes:attr];
  85     [im unlockFocus];
  86     image = [[CIImage alloc] initWithData:[im TIFFRepresentation]];
  87 //    [im release];
  88     speed = 1.0;
  89     return self;
  90 }
  91
  92 - (id)initWithQuartzFile:(NSString*)path
  93 {
  94     return [self initWithMovieFile:path];
  95 }
  96
  97 // レガシーなので捨てました。
  98 // もう一度試してる。
  99 - (CIImage*)getFrameForTime:(CVTimeStamp*)timeStamp
 100 {
 101     CVImageBufferRef currentFrame;
 102     CIImage* ret;
 103
 104     if(movie){
 105         QTVisualContextCopyImageForTime(textureContext, NULL, timeStamp, &currentFrame);
 106         ret = [CIImage imageWithCVImageBuffer:currentFrame];
 107         CVOpenGLTextureRelease(currentFrame);
 108         return ret;
 109     }else if(image){
 110         return image;
 111     }
 112     return nil;
 113 }
 114
 115 - (CIImage*)getFrameForQTTime:(QTTime)time
 116 {
 117     // 64ビットでframeImageAtTimeメソッドは使えないみたい。どうしろと。
 118     time.timeValue *= speed;
 119     if(movie)
 120         return [movie frameImageAtTime:time withAttributes:attr error:nil];
 121     else if(image)
 122         return image;
 123     return nil;
 124 }
 125
 126 - (void)releaseContext
 127 {
 128     if(movie)
 129         QTVisualContextTask(textureContext);
 130 }
 131
 132 - (void)setCurrentTime:(QTTime)time
 133 {
 134     //    time.timeValue *= speed;
 135     if(movie)
 136         [movie setAttribute:[NSValue valueWithQTTime:time] forKey:QTMovieCurrentTimeAttribute];
 137     if(sound)
 138         [sound setCurrentTime:time];
 139 }
 140
 141 - (void)play
 142 {
 143     if(movie && !playing){
 144         [movie play];
 145         playing = YES;
 146     }
 147     if(sound && !playing){
 148         [sound play];
 149         playing = YES;
 150     }
 151 }
 152
 153 - (void)stop
 154 {
 155     if(movie && YES){
 156         [movie stop];
 157         playing = NO;
 158     }
 159     if(sound && playing){
 160         [sound stop];
 161         playing = NO;
 162     }
 163 }
 164
 165 - (QTTime)duration
 166 {
 167     if(movie)
 168         return [movie duration];
 169 }
 170
 171 - (void)finalize
 172 {
 173     if(movie){
 174         NSLog(@"movie finalize");
 175         [movie stop];
 176         SetMovieVisualContext([movie quickTimeMovie], NULL);
 177         movie = nil;
 178         CFRelease(textureContext);
 179     }
 180
 181     [super finalize];
 182 }
 183
 184 @end