#30 - WIP Streaming audio support. Adds Shoutcast V1 handler.

src/record/wave/AudioPacketMonoWaveReader.java

@@ -0,0 +1,70 @@
+/*******************************************************************************
+ * sdrtrunk
+ * Copyright (C) 2014-2016 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ *
+ ******************************************************************************/
+package record.wave;
+
+import audio.AudioPacket;
+import audio.IAudioPacketListener;
+import audio.metadata.AudioMetadata;
+import sample.Listener;
+import sample.real.RealBuffer;
+
+import java.io.IOException;
+import java.nio.file.Path;
+
+public class AudioPacketMonoWaveReader extends MonoWaveReader implements Listener<RealBuffer>
+{
+    private AudioMetadata mMetadata = new AudioMetadata(0, false);
+
+    private IAudioPacketListener mListener;
+
+    /**
+     * Reads wav files and converts the contents to AudioPackets.
+     *
+     * @param path of file to read containing 8kHz, 16-bit signed litte endian PCM audio
+     * @param realTime causes the read() method to read and dispatch audio packets in real time.  Note: when using
+     * real time playback, the thread calling the read() method will sleep as needed to effect real-time playback,
+     * therefore you should invoke read() on a separate thread if this will impact the calling thread.
+     *
+     * @throws IOException on any file IO errors
+     */
+    public AudioPacketMonoWaveReader(Path path, boolean realTime) throws IOException
+    {
+        super(path, realTime);
+        setListener(this);
+    }
+
+    public void setMetadata(AudioMetadata metadata)
+    {
+        mMetadata = metadata;
+    }
+
+    public void setListener(IAudioPacketListener listener)
+    {
+        mListener = listener;
+    }
+
+    @Override
+    public void receive(RealBuffer realBuffer)
+    {
+        if(mListener != null)
+        {
+            mListener.getAudioPacketListener().receive(new AudioPacket(realBuffer.getSamples(), mMetadata));
+        }
+    }
+}