iphone Programming Glossary: compositionaudiotrack
AVFoundation + AssetWriter: Generate Movie With Images and Audio http://stackoverflow.com/questions/5640657/avfoundation-assetwriter-generate-movie-with-images-and-audio AVAssetTrack audioAssetTrack urlAsset tracksWithMediaType AVMediaTypeAudio objectAtIndex 0 AVMutableCompositionTrack compositionAudioTrack composition addMutableTrackWithMediaType AVMediaTypeAudio preferredTrackID kCMPersistentTrackID_Invalid compositionAudioTrack.. composition addMutableTrackWithMediaType AVMediaTypeAudio preferredTrackID kCMPersistentTrackID_Invalid compositionAudioTrack insertTimeRange CMTimeRangeMake kCMTimeZero urlAsset.duration ofTrack audioAssetTrack atTime audioStartTime error error..
How to combine video clips with different orientation using AVFoundation http://stackoverflow.com/questions/6575128/how-to-combine-video-clips-with-different-orientation-using-avfoundation addMutableTrackWithMediaType AVMediaTypeVideo preferredTrackID kCMPersistentTrackID_Invalid AVMutableCompositionTrack compositionAudioTrack composition addMutableTrackWithMediaType AVMediaTypeAudio preferredTrackID kCMPersistentTrackID_Invalid CMTime startTime.. insertTimeRange CMTimeRangeMake kCMTimeZero asset duration ofTrack videoTrack atTime startTime error nil ok compositionAudioTrack insertTimeRange CMTimeRangeMake kCMTimeZero asset duration ofTrack audioTrack atTime startTime error nil startTime CMTimeAdd..
AVPlayer with one video tracks and multiples audio tracks http://stackoverflow.com/questions/6735979/avplayer-with-one-video-tracks-and-multiples-audio-tracks audioAsset AVURLAsset allAudio objectAtIndex i audioAsset allAudio objectAtIndex i AVMutableCompositionTrack compositionAudioTrack composition addMutableTrackWithMediaType AVMediaTypeAudio preferredTrackID kCMPersistentTrackID_Invalid compositionAudioTrack.. composition addMutableTrackWithMediaType AVMediaTypeAudio preferredTrackID kCMPersistentTrackID_Invalid compositionAudioTrack insertTimeRange CMTimeRangeMake kCMTimeZero audioAsset.duration ofTrack audioAsset tracksWithMediaType AVMediaTypeAudio.. objectAtIndex 0 atTime kCMTimeZero error error NSLog @ Error @ error allCompositionTrack addObject compositionAudioTrack audioAsset release and I try to start my player like this AVPlayerItem playerItem AVPlayerItem alloc initWithAsset composition..
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