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2014/10/15 ¤U¤È 10:05:23

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..