2014/10/15 下午 10:15:45

iphone Programming Glossary: videoasset.duration

How can I add overlay text on a video, then re-encode it?

http://stackoverflow.com/questions/10190333/how-can-i-add-overlay-text-on-a-video-then-re-encode-it

tracksWithMediaType AVMediaTypeVideo objectAtIndex 0 compositionVideoTrack insertTimeRange CMTimeRangeMake kCMTimeZero videoAsset.duration ofTrack clipVideoTrack atTime kCMTimeZero error nil compositionVideoTrack setPreferredTransform videoAsset tracksWithMediaType..

Merging Audio with Video Objective-C

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

AVURLAsset alloc initWithURL video_inputFileUrl options nil CMTimeRange video_timeRange CMTimeRangeMake kCMTimeZero videoAsset.duration AVMutableCompositionTrack a_compositionVideoTrack mixComposition addMutableTrackWithMediaType AVMediaTypeVideo preferredTrackID..

How to use scaleTimeRange in an AVMutableComposition?

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

preferredTrackID kCMPersistentTrackID_Invalid compositionCommentaryTrack insertTimeRange CMTimeRangeMake kCMTimeZero videoAsset.duration ofTrack audioAsset tracksWithMediaType AVMediaTypeAudio objectAtIndex 0 atTime kCMTimeZero error nil AVMutableCompositionTrack.. preferredTrackID kCMPersistentTrackID_Invalid compositionVideoTrack insertTimeRange CMTimeRangeMake kCMTimeZero videoAsset.duration ofTrack videoAsset tracksWithMediaType AVMediaTypeVideo objectAtIndex 0 atTime kCMTimeZero error nil AVAssetExportSession..

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

preferredTrackID kCMPersistentTrackID_Invalid compositionVideoTrack insertTimeRange CMTimeRangeMake kCMTimeZero videoAsset.duration ofTrack videoAsset tracksWithMediaType AVMediaTypeVideo objectAtIndex 0 atTime kCMTimeZero error nil AVAssetExportSession..

[NSMutableArray objectAtIndex:]: index 0 beyond bounds for empty array from AVURLAsset

http://stackoverflow.com/questions/4398764/nsmutablearray-objectatindex-index-0-beyond-bounds-for-empty-array-from-avur

kCMPersistentTrackID_Invalid NSError error NULL compositionVideoTrack insertTimeRange CMTimeRangeMake kCMTimeZero videoAsset.duration ofTrack videoAsset tracksWithMediaType AVMediaTypeVideo objectAtIndex 0 atTime kCMTimeZero AVMutableCompositionTrack..

AVFoundation + AssetWriter: Generate Movie With Images and Audio

http://stackoverflow.com/questions/5640657/avfoundation-assetwriter-generate-movie-with-images-and-audio

preferredTrackID kCMPersistentTrackID_Invalid compositionVideoTrack insertTimeRange CMTimeRangeMake kCMTimeZero videoAsset.duration ofTrack videoAssetTrack atTime kCMTimeZero error error CMTime audioStartTime kCMTimeZero for NSDictionary audioInfo in..

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

AVPlayer with one video tracks and multiples audio tracks

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