動画を簡単に編集する方法

About NJKMovieComposer

Transcript

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16. NKJMovieComposer* movieComposition = [[NKJMovieComposer alloc] init];
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18. // movie NSURL* movieURL = [NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"movie001" ofType:@"mov"]]; [movieComposition addVideoWithURL:movieURL];
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20. // AVAssetExportSession assetExportSession = [movieComposition readyToComposeVideoWithFilePath:composedMoviePath]; NSURL *composedMovieUrl = [NSURL fileURLWithPath:composedMoviePath]; // export [assetExportSession exportAsynchronouslyWithCompletionHandler: ^(void ) { // save to device ALAssetsLibrary* library = [[ALAssetsLibrary alloc] init]; if ([library videoAtPathIsCompatibleWithSavedPhotosAlbum:composedMovieUrl]) { [library writeVideoAtPathToSavedPhotosAlbum:composedMovieUrl completionBlock:^(NSURL *assetURL, NSError *assetError) { ! // it does not stop the main thread dispatch_async(dispatch_get_main_queue(), ^{ ! NSLog(@"saved"); }); }]; } }];
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24. NSURL* movieURL = [NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"movie_wipe001" ofType:@"mov"]]; [movieComposition coverVideoWithURL:movieURL scale:CGAffineTransformMakeScale(0.30f, 0.30f) transform:CGAffineTransformMakeTranslation(426, 30)];
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