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2014/10/15 ¤U¤È 10:04:22
iphone Programming Glossary: avassetreadertrackoutputReading samples via AVAssetReader http://stackoverflow.com/questions/4049207/reading-samples-via-avassetreader than others BGRA is faster than ARGB for instance . Construct the actual track output and add it to the asset reader AVAssetReaderTrackOutput asset_reader_output AVAssetReaderTrackOutput alloc initWithTrack video_track outputSettings dictionary asset_reader addOutput.. . Construct the actual track output and add it to the asset reader AVAssetReaderTrackOutput asset_reader_output AVAssetReaderTrackOutput alloc initWithTrack video_track outputSettings dictionary asset_reader addOutput asset_reader_output Kick off the asset..
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 reader AVAssetReader alloc initWithAsset songAsset error error AVAssetTrack songTrack songAsset.tracks objectAtIndex 0 AVAssetReaderTrackOutput output AVAssetReaderTrackOutput alloc initWithTrack songTrack outputSettings nil reader addOutput output output release.. songAsset error error AVAssetTrack songTrack songAsset.tracks objectAtIndex 0 AVAssetReaderTrackOutput output AVAssetReaderTrackOutput alloc initWithTrack songTrack outputSettings nil reader addOutput output output release NSMutableData fullSongData NSMutableData.. NSMutableData fullSongData NSMutableData alloc init reader startReading while reader.status AVAssetReaderStatusReading AVAssetReaderTrackOutput trackOutput AVAssetReaderTrackOutput reader.outputs objectAtIndex 0 CMSampleBufferRef sampleBufferRef trackOutput copyNextSampleBuffer..
Drawing waveform with AVAssetReader http://stackoverflow.com/questions/5032775/drawing-waveform-with-avassetreader info about peak values how I can get it this maybe another way AVAssetTrack songTrack audioUrl.tracks objectAtIndex 0 AVAssetReaderTrackOutput output AVAssetReaderTrackOutput alloc initWithTrack songTrack outputSettings nil reader addOutput output output release.. get it this maybe another way AVAssetTrack songTrack audioUrl.tracks objectAtIndex 0 AVAssetReaderTrackOutput output AVAssetReaderTrackOutput alloc initWithTrack songTrack outputSettings nil reader addOutput output output release NSMutableData fullSongData NSMutableData.. NSMutableData fullSongData NSMutableData alloc init reader startReading while reader.status AVAssetReaderStatusReading AVAssetReaderTrackOutput trackOutput AVAssetReaderTrackOutput reader.outputs objectAtIndex 0 CMSampleBufferRef sampleBufferRef trackOutput copyNextSampleBuffer..
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 sourcePixelBufferAttributes nil AVAssetTrack audioTrack asset.tracks objectAtIndex 0 AVAssetReaderOutput readerOutput AVAssetReaderTrackOutput assetReaderTrackOutputWithTrack audioTrack outputSettings nil audioReader addOutput readerOutput NSParameterAssert videoWriterInput..
Video Encoding using AVAssetWriter - CRASHES http://stackoverflow.com/questions/8191840/video-encoding-using-avassetwriter-crashes NSNumber numberWithInt kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange forKey id kCVPixelBufferPixelFormatTypeKey AVAssetReaderTrackOutput asset_reader_output AVAssetReaderTrackOutput alloc initWithTrack videoTrack outputSettings videoOptions reader addOutput.. forKey id kCVPixelBufferPixelFormatTypeKey AVAssetReaderTrackOutput asset_reader_output AVAssetReaderTrackOutput alloc initWithTrack videoTrack outputSettings videoOptions reader addOutput asset_reader_output audio setup AVAssetWriterInput.. AVAssetTrack audioTrack avAsset tracksWithMediaType AVMediaTypeAudio objectAtIndex 0 AVAssetReaderOutput readerOutput AVAssetReaderTrackOutput assetReaderTrackOutputWithTrack audioTrack outputSettings nil audioReader addOutput readerOutput NSParameterAssert audioWriterInput..
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