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2014/10/15 ¤U¤È 10:10:33
iphone Programming Glossary: intsampleDrawing waveform with AVAssetReader http://stackoverflow.com/questions/5032775/drawing-waveform-with-avassetreader halfGraphHeight 3 float sampleAdjustmentFactor imageHeight float channelCount float normalizeMax for NSInteger intSample 0 intSample sampleCount intSample SInt16 left samples float pixels float left pixels sampleAdjustmentFactor CGContextMoveToPoint.. 3 float sampleAdjustmentFactor imageHeight float channelCount float normalizeMax for NSInteger intSample 0 intSample sampleCount intSample SInt16 left samples float pixels float left pixels sampleAdjustmentFactor CGContextMoveToPoint context.. imageHeight float channelCount float normalizeMax for NSInteger intSample 0 intSample sampleCount intSample SInt16 left samples float pixels float left pixels sampleAdjustmentFactor CGContextMoveToPoint context intSample centerLeft..
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