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2014/10/15 ¤U¤È 10:04:11

iphone Programming Glossary: audioasset

Merging Audio with Video Objective-C

http://stackoverflow.com/questions/13909400/merging-audio-with-video-objective-c

tracksWithMediaType AVMediaTypeVideo objectAtIndex 0 atTime nextClipStartTime error nil NSLog @ c AVURLAsset audioAsset AVURLAsset alloc initWithURL audio_inputFileUrl options nil CMTimeRange audio_timeRange CMTimeRangeMake kCMTimeZero audioAsset.duration.. AVURLAsset alloc initWithURL audio_inputFileUrl options nil CMTimeRange audio_timeRange CMTimeRangeMake kCMTimeZero audioAsset.duration AVMutableCompositionTrack b_compositionAudioTrack mixComposition addMutableTrackWithMediaType AVMediaTypeAudio.. preferredTrackID kCMPersistentTrackID_Invalid b_compositionAudioTrack insertTimeRange audio_timeRange ofTrack audioAsset tracksWithMediaType AVMediaTypeAudio objectAtIndex 0 atTime nextClipStartTime error nil NSLog @ d AVAssetExportSession _assetExport..

How to use scaleTimeRange in an AVMutableComposition?

http://stackoverflow.com/questions/17450864/how-to-use-scaletimerange-in-an-avmutablecomposition

Can someone show me how to add this in to get my video track to be sped up or slowed down Here's my code AVURLAsset audioAsset AVURLAsset alloc initWithURL audioURL options nil AVURLAsset videoAsset AVURLAsset alloc initWithURL videoURL options nil.. compositionCommentaryTrack insertTimeRange CMTimeRangeMake kCMTimeZero videoAsset.duration ofTrack audioAsset tracksWithMediaType AVMediaTypeAudio objectAtIndex 0 atTime kCMTimeZero error nil AVMutableCompositionTrack compositionVideoTrack..

How to add audio to video file on iphone SDK

http://stackoverflow.com/questions/3440266/how-to-add-audio-to-video-file-on-iphone-sdk

iphone audio video encoding share improve this question Thanks Daniel. I figured it out its easy. AVURLAsset audioAsset AVURLAsset alloc initWithURL audioUrl options nil AVURLAsset videoAsset AVURLAsset alloc initWithURL videoUrl options nil.. preferredTrackID kCMPersistentTrackID_Invalid compositionCommentaryTrack insertTimeRange CMTimeRangeMake kCMTimeZero audioAsset.duration ofTrack audioAsset tracksWithMediaType AVMediaTypeAudio objectAtIndex 0 atTime kCMTimeZero error nil AVMutableCompositionTrack.. compositionCommentaryTrack insertTimeRange CMTimeRangeMake kCMTimeZero audioAsset.duration ofTrack audioAsset tracksWithMediaType AVMediaTypeAudio objectAtIndex 0 atTime kCMTimeZero error nil AVMutableCompositionTrack compositionVideoTrack..

Make movie file with picture Array and song file, using AVAsset

http://stackoverflow.com/questions/6061092/make-movie-file-with-picture-array-and-song-file-using-avasset

0 atTime nextClipStartTime error nil nextClipStartTime CMTimeAdd nextClipStartTime a_timeRange.duration AVURLAsset audioAsset AVURLAsset alloc initWithURL audio_inputFileUrl options nil CMTimeRange audio_timeRange CMTimeRangeMake kCMTimeZero audioAsset.duration.. AVURLAsset alloc initWithURL audio_inputFileUrl options nil CMTimeRange audio_timeRange CMTimeRangeMake kCMTimeZero audioAsset.duration AVMutableCompositionTrack b_compositionAudioTrack mixComposition addMutableTrackWithMediaType AVMediaTypeAudio.. preferredTrackID kCMPersistentTrackID_Invalid b_compositionAudioTrack insertTimeRange audio_timeRange ofTrack audioAsset tracksWithMediaType AVMediaTypeAudio objectAtIndex 0 atTime nextClipStartTime error nil AVAssetExportSession _assetExport..

AVPlayer with one video tracks and multiples audio tracks

http://stackoverflow.com/questions/6735979/avplayer-with-one-video-tracks-and-multiples-audio-tracks

audioURL NSURL URLWithString NSString stringWithFormat @ @ @ URL_MEDIA allAudioTracks objectAtIndex i audio AVURLAsset audioAsset AVURLAsset alloc initWithURL audioURL options nil allAudio addObject audioAsset audioAsset release audioURL release for.. objectAtIndex i audio AVURLAsset audioAsset AVURLAsset alloc initWithURL audioURL options nil allAudio addObject audioAsset audioAsset release audioURL release for int i 0 i allAudio count i NSError error NULL AVURLAsset audioAsset AVURLAsset allAudio.. i audio AVURLAsset audioAsset AVURLAsset alloc initWithURL audioURL options nil allAudio addObject audioAsset audioAsset release audioURL release for int i 0 i allAudio count i NSError error NULL AVURLAsset audioAsset AVURLAsset allAudio objectAtIndex..