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allocate value buffer of next power of 2 size

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This commit is contained in:
Ahmet Inan 2014-12-30 22:35:56 +01:00
parent dad49c3010
commit 3743d023f9
1 changed files with 7 additions and 4 deletions
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11
app/src/main/java/xdsopl/robot36/ImageView.java
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@ -103,16 +103,19 @@ public class ImageView extends SurfaceView implements SurfaceHolder.Callback {
audio = new AudioRecord(audioSource, sampleRate, channelConfig, audioFormat, audioBuffer.length * 2);
audio.startRecording();
int maxHorizontalLength = 3 * sampleRate;
currentMode = new int[1];
int minValueBufferLength = 3 * sampleRate;
int valueBufferLength = Integer.highestOneBit(minValueBufferLength);
if (minValueBufferLength > valueBufferLength)
valueBufferLength <<= 1;
currentMode = new int[1];
savedWidth = new int[1];
savedHeight = new int[1];
savedBuffer = new int[pixelBuffer.length];
rs = RenderScript.create(context);
rsDecoderAudioBuffer = Allocation.createSized(rs, Element.I16(rs), audioBuffer.length, Allocation.USAGE_SHARED | Allocation.USAGE_SCRIPT);
rsDecoderValueBuffer = Allocation.createSized(rs, Element.U8(rs), maxHorizontalLength, Allocation.USAGE_SCRIPT);
rsDecoderValueBuffer = Allocation.createSized(rs, Element.U8(rs), valueBufferLength, Allocation.USAGE_SCRIPT);
rsDecoderPixelBuffer = Allocation.createSized(rs, Element.I32(rs), pixelBuffer.length, Allocation.USAGE_SHARED | Allocation.USAGE_SCRIPT);
rsDecoderCurrentMode = Allocation.createSized(rs, Element.I32(rs), 1, Allocation.USAGE_SHARED | Allocation.USAGE_SCRIPT);
rsDecoderSavedWidth = Allocation.createSized(rs, Element.I32(rs), 1, Allocation.USAGE_SHARED | Allocation.USAGE_SCRIPT);
@ -126,7 +129,7 @@ public class ImageView extends SurfaceView implements SurfaceHolder.Callback {
rsDecoder.bind_saved_width(rsDecoderSavedWidth);
rsDecoder.bind_saved_height(rsDecoderSavedHeight);
rsDecoder.bind_saved_buffer(rsDecoderSavedBuffer);
rsDecoder.invoke_initialize(sampleRate, maxHorizontalLength, bitmap.getWidth(), bitmap.getHeight());
rsDecoder.invoke_initialize(sampleRate, valueBufferLength, bitmap.getWidth(), bitmap.getHeight());
thread.start();
}