2014/10/15 下午 10:15:02

iphone Programming Glossary: totalright

iPad/iPhone browser crashing when loading images in Javascript

http://stackoverflow.com/questions/2986039/ipad-iphone-browser-crashing-when-loading-images-in-javascript

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

NSMutableData fullSongData NSMutableData alloc init reader startReading UInt64 totalBytes 0 SInt64 totalLeft 0 SInt64 totalRight 0 NSInteger sampleTally 0 NSInteger samplesPerPixel sampleRate 50 while reader.status AVAssetReaderStatusReading AVAssetReaderTrackOutput.. for int i 0 i sampleCount i SInt16 left samples totalLeft left SInt16 right if channelCount 2 right samples totalRight right sampleTally if sampleTally samplesPerPixel left totalLeft sampleTally SInt16 fix abs left if fix normalizeMax.. if fix normalizeMax normalizeMax fix fullSongData appendBytes left length sizeof left if channelCount 2 right totalRight sampleTally SInt16 fix abs right if fix normalizeMax normalizeMax fix fullSongData appendBytes right length sizeof..