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Resolves #393 - Adds support for recording demodulated (raw) bitstream

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buffers.  None of the decoders currently support this yet, but the P25
will be updated to provide bitstream output for recording.

Renames the ReusableBuffer class to ReusableFloatBuffer for
consistency.
This commit is contained in:
Denny
2018-08-11 08:02:58 -04:00
parent d7e018f66e
commit 5f8f2ec330
64 changed files with 936 additions and 407 deletions
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10
src/main/java/io/github/dsheirer/dsp/am/AMDemodulator.java
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@@ -15,9 +15,9 @@
******************************************************************************/
package io.github.dsheirer.dsp.am;
import io.github.dsheirer.sample.buffer.ReusableBuffer;
import io.github.dsheirer.sample.buffer.ReusableBufferQueue;
import io.github.dsheirer.sample.buffer.ReusableComplexBuffer;
import io.github.dsheirer.sample.buffer.ReusableFloatBuffer;
/**
* Performs AM demodulation on baseband I/Q samples to produce demodulated float output.
@@ -63,11 +63,11 @@ public class AMDemodulator
* @param complexBuffer to demodulate
* @return demodulated audio buffer.
*/
public ReusableBuffer demodulate(ReusableComplexBuffer complexBuffer)
public ReusableFloatBuffer demodulate(ReusableComplexBuffer complexBuffer)
{
ReusableBuffer reusableBuffer = mReusableBufferQueue.getBuffer(complexBuffer.getSampleCount());
ReusableFloatBuffer reusableFloatBuffer = mReusableBufferQueue.getBuffer(complexBuffer.getSampleCount());
float[] input = complexBuffer.getSamples();
float[] output = reusableBuffer.getSamples();
float[] output = reusableFloatBuffer.getSamples();
mOutputBufferPointer = 0;
for(int x= 0; x < complexBuffer.getSamples().length; x += 2)
@@ -77,6 +77,6 @@ public class AMDemodulator
complexBuffer.decrementUserCount();
return reusableBuffer;
return reusableFloatBuffer;
}
}