Fix movie playback issue on Simulator.

framework/Source/GPUImageMovie.m

@@ -191,8 +191,16 @@ - (AVAssetReader*)createAssetReader
     NSError *error = nil;
     AVAssetReader *assetReader = [AVAssetReader assetReaderWithAsset:self.asset error:&error];
 
-    NSDictionary *outputSettings = @{(id)kCVPixelBufferPixelFormatTypeKey: @(kCVPixelFormatType_420YpCbCr8BiPlanarFullRange)};
-    isFullYUVRange = YES;
+    NSMutableDictionary *outputSettings = [NSMutableDictionary dictionary];
+    if ([GPUImageContext supportsFastTextureUpload]) {
+        [outputSettings setObject:@(kCVPixelFormatType_420YpCbCr8BiPlanarFullRange) forKey:(id)kCVPixelBufferPixelFormatTypeKey];
+        isFullYUVRange = YES;
+    }
+    else {
+        [outputSettings setObject:@(kCVPixelFormatType_32BGRA) forKey:(id)kCVPixelBufferPixelFormatTypeKey];
+        isFullYUVRange = NO;
+    }
+
     // Maybe set alwaysCopiesSampleData to NO on iOS 5.0 for faster video decoding
     AVAssetReaderTrackOutput *readerVideoTrackOutput = [AVAssetReaderTrackOutput assetReaderTrackOutputWithTrack:[[self.asset tracksWithMediaType:AVMediaTypeVideo] objectAtIndex:0] outputSettings:outputSettings];
     readerVideoTrackOutput.alwaysCopiesSampleData = NO;
@@ -292,7 +300,13 @@ - (void)processPlayerItem
         [displayLink setPaused:YES];
 
         dispatch_queue_t videoProcessingQueue = [GPUImageContext sharedContextQueue];
-        NSDictionary *pixBuffAttributes = @{(id)kCVPixelBufferPixelFormatTypeKey: @(kCVPixelFormatType_420YpCbCr8BiPlanarFullRange)};
+        NSMutableDictionary *pixBuffAttributes = [NSMutableDictionary dictionary];
+        if ([GPUImageContext supportsFastTextureUpload]) {
+            [pixBuffAttributes setObject:@(kCVPixelFormatType_420YpCbCr8BiPlanarFullRange) forKey:(id)kCVPixelBufferPixelFormatTypeKey];
+        }
+        else {
+            [pixBuffAttributes setObject:@(kCVPixelFormatType_32BGRA) forKey:(id)kCVPixelBufferPixelFormatTypeKey];
+        }
         playerItemOutput = [[AVPlayerItemVideoOutput alloc] initWithPixelBufferAttributes:pixBuffAttributes];
         [playerItemOutput setDelegate:self queue:videoProcessingQueue];
 
@@ -450,11 +464,8 @@ - (float)progress
 - (void)processMovieFrame:(CVPixelBufferRef)movieFrame withSampleTime:(CMTime)currentSampleTime
 {
     int bufferHeight = (int) CVPixelBufferGetHeight(movieFrame);
-#if TARGET_IPHONE_SIMULATOR
-    int bufferWidth = (int) CVPixelBufferGetBytesPerRow(movieFrame) / 4; // This works around certain movie frame types on the Simulator (see https://github.com/BradLarson/GPUImage/issues/424)
-#else
     int bufferWidth = (int) CVPixelBufferGetWidth(movieFrame);
-#endif
+
     CFTypeRef colorAttachments = CVBufferGetAttachment(movieFrame, kCVImageBufferYCbCrMatrixKey, NULL);
     if (colorAttachments != NULL)
     {