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August 3, 2017 06:48
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Merge two videos using AVFoundation ios
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| AVMutableComposition* mixComposition = [[AVMutableComposition alloc] init]; | |
| NSString *path1 = _exportPaths[0]; | |
| NSString *path2 = _exportPaths[1]; | |
| //load assets | |
| AVURLAsset *asset1 = [AVURLAsset URLAssetWithURL:[NSURL fileURLWithPath:path1] options:nil]; | |
| AVURLAsset *asset2 = [AVURLAsset URLAssetWithURL:[NSURL fileURLWithPath:path2] options:nil]; | |
| //create mutable composition track and add all assets to this track | |
| AVMutableCompositionTrack *track = [mixComposition addMutableTrackWithMediaType:AVMediaTypeVideo preferredTrackID:kCMPersistentTrackID_Invalid]; | |
| NSArray *tracks = [asset1 tracksWithMediaType:AVMediaTypeVideo]; | |
| if (tracks.count > 0) { | |
| AVAssetTrack *assetTrack = tracks[0]; | |
| [track insertTimeRange:CMTimeRangeMake(kCMTimeZero, asset1.duration) | |
| ofTrack:assetTrack | |
| atTime:kCMTimeZero error:nil]; | |
| } | |
| NSArray *tracks2 = [asset2 tracksWithMediaType:AVMediaTypeVideo]; | |
| if (tracks2.count > 0) { | |
| AVAssetTrack *assetTrack = tracks2[0]; | |
| [track insertTimeRange:CMTimeRangeMake(kCMTimeZero, asset2.duration) | |
| ofTrack:assetTrack | |
| atTime:asset1.duration | |
| error:nil]; | |
| } |
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