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

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.

src/main/java/io/github/dsheirer/sample/adapter/AbstractSampleAdapter.java

@@ -15,9 +15,9 @@
  ******************************************************************************/
 package io.github.dsheirer.sample.adapter;
 
-import io.github.dsheirer.sample.buffer.ReusableBuffer;
+import io.github.dsheirer.sample.buffer.ReusableFloatBuffer;
 
-public abstract class AbstractSampleAdapter<T extends ReusableBuffer>
+public abstract class AbstractSampleAdapter<T extends ReusableFloatBuffer>
 {
     public abstract T convert(byte[] sampleBytes);
 }

src/main/java/io/github/dsheirer/sample/adapter/RealChannelShortAdapter.java

@@ -15,7 +15,7 @@
  ******************************************************************************/
 package io.github.dsheirer.sample.adapter;
 
-import io.github.dsheirer.sample.buffer.ReusableBuffer;
+import io.github.dsheirer.sample.buffer.ReusableFloatBuffer;
 import io.github.dsheirer.source.mixer.MixerChannel;
 import org.apache.commons.lang3.Validate;
 import org.slf4j.Logger;
@@ -46,10 +46,10 @@ public class RealChannelShortAdapter extends RealSampleAdapter
     }
 
     @Override
-    public ReusableBuffer convert(byte[] samples)
+    public ReusableFloatBuffer convert(byte[] samples)
     {
-        ReusableBuffer reusableBuffer = getBuffer(samples.length / 4);
-        float[] convertedSamples = reusableBuffer.getSamples();
+        ReusableFloatBuffer reusableFloatBuffer = getBuffer(samples.length / 4);
+        float[] convertedSamples = reusableFloatBuffer.getSamples();
 
         mByteBuffer = ByteBuffer.wrap(samples);
 
@@ -76,7 +76,7 @@ public class RealChannelShortAdapter extends RealSampleAdapter
             }
         }
 
-        return reusableBuffer;
+        return reusableFloatBuffer;
     }
 
     /**

src/main/java/io/github/dsheirer/sample/adapter/RealSampleAdapter.java

@@ -15,10 +15,10 @@
  ******************************************************************************/
 package io.github.dsheirer.sample.adapter;
 
-import io.github.dsheirer.sample.buffer.ReusableBuffer;
 import io.github.dsheirer.sample.buffer.ReusableBufferQueue;
+import io.github.dsheirer.sample.buffer.ReusableFloatBuffer;
 
-public abstract class RealSampleAdapter extends AbstractSampleAdapter<ReusableBuffer>
+public abstract class RealSampleAdapter extends AbstractSampleAdapter<ReusableFloatBuffer>
 {
     private ReusableBufferQueue mReusableBufferQueue;
 
@@ -32,7 +32,7 @@ public abstract class RealSampleAdapter extends AbstractSampleAdapter<ReusableBu
         mReusableBufferQueue = new ReusableBufferQueue(debugName);
     }
 
-    protected ReusableBuffer getBuffer(int size)
+    protected ReusableFloatBuffer getBuffer(int size)
     {
         return mReusableBufferQueue.getBuffer(size);
     }

src/main/java/io/github/dsheirer/sample/adapter/RealShortAdapter.java

@@ -15,7 +15,7 @@
  ******************************************************************************/
 package io.github.dsheirer.sample.adapter;
 
-import io.github.dsheirer.sample.buffer.ReusableBuffer;
+import io.github.dsheirer.sample.buffer.ReusableFloatBuffer;
 
 import java.nio.ByteBuffer;
 import java.nio.ByteOrder;
@@ -40,10 +40,10 @@ public class RealShortAdapter extends RealSampleAdapter
     }
 
     @Override
-    public ReusableBuffer convert(byte[] samples)
+    public ReusableFloatBuffer convert(byte[] samples)
     {
-        ReusableBuffer reusableBuffer = getBuffer(samples.length / 2);
-        float[] convertedSamples = reusableBuffer.getSamples();
+        ReusableFloatBuffer reusableFloatBuffer = getBuffer(samples.length / 2);
+        float[] convertedSamples = reusableFloatBuffer.getSamples();
 
         int pointer = 0;
 
@@ -58,7 +58,7 @@ public class RealShortAdapter extends RealSampleAdapter
             pointer++;
         }
 
-        return reusableBuffer;
+        return reusableFloatBuffer;
     }
 
     /**