1 files changed, 186 insertions, 0 deletions
diff --git a/src/java/jogamp/common/av/NullAudioSink.java b/src/java/jogamp/common/av/NullAudioSink.java
new file mode 100644
index 0000000..c1b0d33
--- /dev/null
+++ b/src/java/jogamp/common/av/NullAudioSink.java
@@ -0,0 +1,186 @@
+/**
+ * Copyright 2013-2023 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ *
+ *    2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *       of conditions and the following disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+package jogamp.common.av;
+
+import java.nio.ByteBuffer;
+
+import com.jogamp.common.av.AudioSink;
+
+public class NullAudioSink implements AudioSink {
+
+    private volatile float playSpeed = 1.0f;
+    private volatile boolean playRequested = false;
+    private volatile int playingPTS = AudioFrame.INVALID_PTS;
+    private float volume = 1.0f;
+
+    private AudioFormat chosenFormat;
+    private boolean available;
+
+    public NullAudioSink() {
+        available = true;
+        chosenFormat = null;
+    }
+
+    @Override
+    public boolean isAvailable() {
+        return available;
+    }
+
+    @Override
+    public final float getPlaySpeed() { return playSpeed; }
+
+    @Override
+    public final boolean setPlaySpeed(float rate) {
+        if( Math.abs(1.0f - rate) < 0.01f ) {
+            rate = 1.0f;
+        }
+        playSpeed = rate;
+        return true;
+    }
+
+    @Override
+    public final float getVolume() {
+        // FIXME
+        return volume;
+    }
+
+    @Override
+    public final boolean setVolume(final float v) {
+        // FIXME
+        volume = v;
+        return true;
+    }
+
+    @Override
+    public int getPreferredSampleRate() {
+        return DefaultFormat.sampleRate;
+    }
+
+    @Override
+    public AudioFormat getPreferredFormat() {
+        return DefaultFormat;
+    }
+
+    @Override
+    public final int getMaxSupportedChannels() {
+        return 8;
+    }
+
+    @Override
+    public final boolean isSupported(final AudioFormat format) {
+        /**
+         * If we like to emulate constraints ..
+         *
+        if( format.planar || !format.littleEndian ) {
+            return false;
+        }
+        if( format.sampleRate != DefaultFormat.sampleRate )  {
+            return false;
+        }
+        */
+        return true;
+    }
+
+    @Override
+    public boolean init(final AudioFormat requestedFormat, final float frameDuration, final int initialQueueSize, final int queueGrowAmount, final int queueLimit) {
+        chosenFormat = requestedFormat;
+        return true;
+    }
+
+    @Override
+    public final AudioFormat getChosenFormat() {
+        return chosenFormat;
+    }
+
+    @Override
+    public boolean isPlaying() {
+        return playRequested;
+    }
+
+    @Override
+    public void play() {
+        playRequested = true;
+    }
+
+    @Override
+    public void pause() {
+        playRequested = false;
+    }
+
+    @Override
+    public void flush() {
+    }
+
+    @Override
+    public void destroy() {
+        available = false;
+        chosenFormat = null;
+    }
+
+    @Override
+    public final int getEnqueuedFrameCount() {
+        return 0;
+    }
+
+    @Override
+    public int getFrameCount() {
+        return 0;
+    }
+
+    @Override
+    public int getQueuedFrameCount() {
+        return 0;
+    }
+
+    @Override
+    public int getQueuedByteCount() {
+        return 0;
+    }
+
+    @Override
+    public int getQueuedTime() {
+        return 0;
+    }
+
+    @Override
+    public final int getPTS() { return playingPTS; }
+
+    @Override
+    public int getFreeFrameCount() {
+        return 1;
+    }
+
+    @Override
+    public AudioFrame enqueueData(final int pts, final ByteBuffer bytes, final int byteCount) {
+        if( !available || null == chosenFormat ) {
+            return null;
+        }
+        playingPTS = pts;
+        return null;
+    }
+}