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2014/10/15 ¤U¤È 10:10:20

iphone Programming Glossary: initwithasset

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

videoComp.instructions NSArray arrayWithObject instruction AVAssetExportSession assetExport AVAssetExportSession alloc initWithAsset mixComposition presetName AVAssetExportPresetHighestQuality AVAssetExportPresetPassthrough assetExport.videoComposition..

How can I overlap audio files and combine for iPhone in Xcode?

http://stackoverflow.com/questions/12628554/how-can-i-overlap-audio-files-and-combine-for-iphone-in-xcode

exportPresetsCompatibleWithAsset composition AVAssetExportSession exporter AVAssetExportSession alloc initWithAsset composition presetName AVAssetExportPresetAppleM4A exporter.audioMix audioMix exporter.outputFileType @ com.apple.m4a..

Getting thumbnail from a video url or data in IPhone SDK

http://stackoverflow.com/questions/1347562/getting-thumbnail-from-a-video-url-or-data-in-iphone-sdk

asset AVURLAsset alloc initWithURL self.url options nil AVAssetImageGenerator generator AVAssetImageGenerator alloc initWithAsset asset generator.appliesPreferredTrackTransform TRUE asset release CMTime thumbTime CMTimeMakeWithSeconds 0 30 AVAssetImageGeneratorCompletionHandler..

MPMediaItems raw song data

http://stackoverflow.com/questions/1656124/mpmediaitems-raw-song-data

songAsset AVURLAsset URLAssetWithURL url options nil AVAssetExportSession exporter AVAssetExportSession alloc initWithAsset songAsset presetName AVAssetExportPresetPassthrough exporter.outputFileType @ public.mpeg 4 NSString exportFile self myDocumentsDirectory..

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

objectAtIndex 0 atTime kCMTimeZero error nil AVAssetExportSession _assetExport AVAssetExportSession alloc initWithAsset mixComposition presetName AVAssetExportPresetPassthrough NSString videoName @ export.mov NSString exportPath NSTemporaryDirectory..

Reading samples via AVAssetReader

http://stackoverflow.com/questions/4049207/reading-samples-via-avassetreader

To read video samples you need to do the following Construct an AVAssetReader asset_reader AVAssetReader alloc initWithAsset asset error error error checking goes here Get the video track s from your asset NSArray video_tracks asset tracksWithMediaType..

Extract iPod Library raw PCM samples and play with sound effects

http://stackoverflow.com/questions/4796643/extract-ipod-library-raw-pcm-samples-and-play-with-sound-effects

AVURLAsset NSData extractDataForAsset AVURLAsset songAsset NSError error nil AVAssetReader reader AVAssetReader alloc initWithAsset songAsset error error AVAssetTrack songTrack songAsset.tracks objectAtIndex 0 AVAssetReaderTrackOutput output AVAssetReaderTrackOutput..

Drawing waveform with AVAssetReader

http://stackoverflow.com/questions/5032775/drawing-waveform-with-avassetreader

renderPNGAudioPictogramForAssett AVURLAsset songAsset NSError error nil AVAssetReader reader AVAssetReader alloc initWithAsset songAsset error error AVAssetTrack songTrack songAsset.tracks objectAtIndex 0 NSDictionary outputSettingsDict NSDictionary.. renderPNGAudioPictogramLogForAssett AVURLAsset songAsset NSError error nil AVAssetReader reader AVAssetReader alloc initWithAsset songAsset error error AVAssetTrack songTrack songAsset.tracks objectAtIndex 0 NSDictionary outputSettingsDict NSDictionary..

AVFoundation + AssetWriter: Generate Movie With Images and Audio

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

audioDuration floatValue kRecordingFPS 0.5 kRecordingFPS AVAssetExportSession assetExport AVAssetExportSession alloc initWithAsset composition presetName AVAssetExportPresetMediumQuality assetExport.videoComposition mutableVideoComposition assetExport.outputFileType..

iPhone:Programmatically compressing recorded video to share?

http://stackoverflow.com/questions/5687341/iphoneprogrammatically-compressing-recorded-video-to-share

exportPresetsCompatibleWithAsset theAsset AVAssetExportSession exportSession AVAssetExportSession alloc initWithAsset theAsset presetName AVAssetExportPresetLowQuality exportSession setOutputURL NSURL URLWithString videoURL exportSession.. asset AVURLAsset URLAssetWithURL inputURL options nil AVAssetExportSession exportSession AVAssetExportSession alloc initWithAsset asset presetName AVAssetExportPresetLowQuality exportSession.outputURL outputURL exportSession.outputFileType AVFileTypeQuickTimeMovie..

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

objectAtIndex 0 atTime nextClipStartTime error nil AVAssetExportSession _assetExport AVAssetExportSession alloc initWithAsset mixComposition presetName AVAssetExportPresetHighestQuality _assetExport.outputFileType @ com.apple.quicktime movie _assetExport.outputURL..

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

video NSURL url NSURL alloc initFileURLWithPath combinedPath AVAssetExportSession exporter AVAssetExportSession alloc initWithAsset composition presetName AVAssetExportPreset640x480 autorelease exporter.outputURL url url release exporter.outputFileType..

How to copy songs from iPod Library to app and play with AVAudioPlayer?

http://stackoverflow.com/questions/7472141/how-to-copy-songs-from-ipod-library-to-app-and-play-with-avaudioplayer

AVURLAsset asset AVURLAsset alloc initWithURL url options nil autorelease AVAssetReader reader AVAssetReader alloc initWithAsset asset error nil autorelease NSMutableArray myOutputs NSMutableArray alloc init autorelease for id track in asset tracks..

iOS 5.0 crash when reading data from an AVAssetReaderOutput

http://stackoverflow.com/questions/7812394/ios-5-0-crash-when-reading-data-from-an-avassetreaderoutput

AVURLAsset asset AVURLAsset alloc initWithURL url options nil autorelease AVAssetReader reader AVAssetReader alloc initWithAsset asset error nil autorelease reader setTimeRange CMTimeRangeMake kCMTimeZero kCMTimePositiveInfinity NSMutableArray myOutputs..

Application crashed while importing songs from Ipod library in Iphone for iOs 5.0

http://stackoverflow.com/questions/8077725/application-crashed-while-importing-songs-from-ipod-library-in-iphone-for-ios-5

AVURLAsset URLAssetWithURL assetURL options nil JP AVAssetExportSession exportSession AVAssetExportSession alloc initWithAsset songAsset presetName AVAssetExportPresetPassthrough NSArray tracks songAsset tracksWithMediaType AVMediaTypeAudio AVAssetTrack.. AVURLAsset URLAssetWithURL assetURL options nil JP AVAssetExportSession exportSession AVAssetExportSession alloc initWithAsset songAsset presetName AVAssetExportPresetPassthrough NSArray tracks songAsset tracksWithMediaType AVMediaTypeAudio AVAssetTrack..

Video Encoding using AVAssetWriter - CRASHES

http://stackoverflow.com/questions/8191840/video-encoding-using-avassetwriter-crashes

YES videoWriter addInput videoWriterInput NSError aerror nil AVAssetReader reader AVAssetReader alloc initWithAsset avAsset error aerror AVAssetTrack videoTrack avAsset tracksWithMediaType AVMediaTypeVideo objectAtIndex 0 videoWriterInput.transform..