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/development/samples/ApiDemos/src/com/example/android/apis/media/
DAudioFxDemo.java203 private byte[] mBytes; field in VisualizerView
215 mBytes = null; in init()
223 mBytes = bytes; in updateVisualizer()
231 if (mBytes == null) { in onDraw()
235 if (mPoints == null || mPoints.length < mBytes.length * 4) { in onDraw()
236 mPoints = new float[mBytes.length * 4]; in onDraw()
241 for (int i = 0; i < mBytes.length - 1; i++) { in onDraw()
242 mPoints[i * 4] = mRect.width() * i / (mBytes.length - 1); in onDraw()
244 + ((byte) (mBytes[i] + 128)) * (mRect.height() / 2) / 128; in onDraw()
245 mPoints[i * 4 + 2] = mRect.width() * (i + 1) / (mBytes.length - 1); in onDraw()
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