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2014/10/15 ¤U¤È 10:04:22
iphone Programming Glossary: avassetexportpresetlowqualityMerge Two Video files in iPhone Application http://stackoverflow.com/questions/10071029/merge-two-video-files-in-iphone-application nil for int i 0 i 2 i AVAssetExportSession exportSession AVAssetExportSession alloc initWithAsset anAsset presetName AVAssetExportPresetLowQuality NSString filePath nil NSUInteger count 0 do filePath NSTemporaryDirectory NSString numberString count 0 NSString stringWithFormat.. error nil AVAssetExportSession _assetExport AVAssetExportSession alloc initWithAsset mixComposition presetName AVAssetExportPresetLowQuality _assetExport.shouldOptimizeForNetworkUse YES _assetExport.outputFileType @ com.apple.quicktime movie _assetExport.outputURL..
CoreAnimation, AVFoundation and ability to make Video export http://stackoverflow.com/questions/5031721/coreanimation-avfoundation-and-ability-to-make-video-export video to document path AVAssetExportSession session AVAssetExportSession alloc initWithAsset composition presetName AVAssetExportPresetLowQuality session.videoComposition videoComposition NSString filePath nil filePath NSSearchPathForDirectoriesInDomains NSDocumentDirectory..
iPhone:Programmatically compressing recorded video to share? http://stackoverflow.com/questions/5687341/iphoneprogrammatically-compressing-recorded-video-to-share theAsset AVAssetExportSession exportSession AVAssetExportSession alloc initWithAsset theAsset presetName AVAssetExportPresetLowQuality exportSession setOutputURL NSURL URLWithString videoURL exportSession setOutputFileType AVFileTypeQuickTimeMovie exportSession.. inputURL options nil AVAssetExportSession exportSession AVAssetExportSession alloc initWithAsset asset presetName AVAssetExportPresetLowQuality exportSession.outputURL outputURL exportSession.outputFileType AVFileTypeQuickTimeMovie exportSession exportAsynchronouslyWithCompletionHandler..
Caching with AVPlayer and AVAssetExportSession http://stackoverflow.com/questions/6259095/caching-with-avplayer-and-avassetexportsession self.player.currentItem.asset AVAssetExportSession es AVAssetExportSession alloc initWithAsset mediaAsset presetName AVAssetExportPresetLowQuality NSString outPath NSTemporaryDirectory stringByAppendingPathComponent @ out.mp4 NSFileManager fileManager NSFileManager defaultManager..
MOV to Mp4 video conversion iPhone Programmatically http://stackoverflow.com/questions/8474517/mov-to-mp4-video-conversion-iphone-programmatically compatiblePresets AVAssetExportSession exportPresetsCompatibleWithAsset avAsset if compatiblePresets containsObject AVAssetExportPresetLowQuality AVAssetExportSession exportSession AVAssetExportSession alloc initWithAsset avAsset presetName AVAssetExportPresetLowQuality.. AVAssetExportSession exportSession AVAssetExportSession alloc initWithAsset avAsset presetName AVAssetExportPresetLowQuality exportSession.outputURL NSURL fileURLWithPath videoPath exportSession.outputFileType AVFileTypeMPEG4 CMTime start CMTimeMakeWithSeconds.. iphone ios video processing share improve this question presetName use AVAssetExportPresetPassthrough instead AVAssetExportPresetLowQuality AVAssetExportSession exportSession AVAssetExportSession alloc initWithAsset avAsset presetName AVAssetExportPresetPassthrough..
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