Refactorings to support building JOGL for OpenGL ES 1 and OpenGL ES 2.

"ant -Djogl.es1=1" builds JOGL for OpenGL ES 1.
"ant -Djogl.es2=1" builds JOGL for OpenGL ES 2.
"ant" builds JOGL for desktop OpenGL (2.1).
Building desktop OpenGL is currently broken (FIXME) -- more
refactorings are necessary.
When compiling, it is currently necessary to specify
-Djogl.noglnatives=1 on the ant command line as well, because the
generated native code does not link properly since we do not have
OpenGL ES libraries on the desktop. Building the generated native code
using a cross-compiler is not yet hooked up into the ant build
mechanism. It is necessary to build the generated native code with
external tools.
Also incorporated spatialized audio framework using Windows waveOut
device; this is a temporary measure until a different workspace can be
found for this code.


git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/branches/JOGL_2_SANDBOX@1630 232f8b59-042b-4e1e-8c03-345bb8c30851

1 files changed, 206 insertions, 0 deletions

diff --git a/src/classes/com/sun/javafx/audio/windows/waveout/Track.java b/src/classes/com/sun/javafx/audio/windows/waveout/Track.java
new file mode 100755
index 000000000..190396112
--- /dev/null
+++ b/src/classes/com/sun/javafx/audio/windows/waveout/Track.java
@@ -0,0 +1,206 @@
+/*
+ * Copyright (c) 2008 Sun Microsystems, Inc. All Rights Reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * 
+ * - Redistribution of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * 
+ * - Redistribution 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.
+ * 
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * 
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ */
+
+package com.sun.javafx.audio.windows.waveout;
+
+import java.io.*;
+import java.nio.*;
+
+public class Track {
+    // Default number of samples per buffer
+    private static final int BUFFER_SIZE = 32768;
+    // Number of bytes per sample (FIXME: dependence on audio format)
+    static final int BYTES_PER_SAMPLE = 2;
+    // Whether we need byte swapping (FIXME: dependence on audio format)
+    static final boolean NEEDS_BYTE_SWAP = true;
+
+    // This is the buffer this track is currently playing from
+    private SoundBuffer activeBuffer;
+    // This is the sample position in the active buffer
+    private int samplePosition;
+    // This is the total number of samples in the file
+    private int totalSamples;
+    // This is the total number of samples we have read
+    private int samplesRead;
+    // This is the buffer that the background filler thread may be filling
+    private SoundBuffer fillingBuffer;
+    // If we're playing the file, this is its input stream
+    private InputStream input;
+    // Keep around the file name
+    private File file;
+    // Whether we're playing this sound
+    private boolean playing;
+    // Whether we're looping this sound
+    private boolean looping;
+    // The position of this sound; defaults to being at the origin
+    private volatile Vec3f position = new Vec3f();
+
+    Track(File file) throws IOException {
+        if (!file.getName().endsWith(".rawsound")) {
+            throw new IOException("Unsupported file format (currently supports only raw sounds)");
+        }
+
+        this.file = file;
+        openInput();
+
+        // Allocate the buffers
+        activeBuffer  = new SoundBuffer(BUFFER_SIZE, BYTES_PER_SAMPLE, NEEDS_BYTE_SWAP);
+        fillingBuffer = new SoundBuffer(BUFFER_SIZE, BYTES_PER_SAMPLE, NEEDS_BYTE_SWAP);
+
+        // Fill the first buffer immediately
+        fill();
+        swapBuffers();
+    }
+
+    private void openInput() throws IOException {
+        input = new BufferedInputStream(new FileInputStream(file));
+        totalSamples = (int) file.length() / BYTES_PER_SAMPLE;
+    }
+
+    public File getFile() {
+        return file;
+    }
+
+    public synchronized void play() {
+        if (input == null) {
+            try {
+                openInput();
+                // Fill it immediately
+                fill();
+            } catch (IOException e) {
+                e.printStackTrace();
+                return;
+            }
+        }
+
+        playing = true;
+    }
+
+    public synchronized boolean isPlaying() {
+        return playing;
+    }
+
+    public synchronized void setLooping(boolean looping) {
+        this.looping = looping;
+    }
+
+    public synchronized boolean isLooping() {
+        return looping;
+    }
+
+    public void setPosition(float x, float y, float z) {
+        position = new Vec3f(x, y, z);
+    }
+
+    synchronized void fill() throws IOException {
+        if (input == null) {
+            return;
+        }
+        SoundBuffer curBuffer = fillingBuffer;
+        if (!curBuffer.empty()) {
+            return;
+        }
+        curBuffer.fill(input);
+        if (curBuffer.empty()) {
+            // End of file
+            InputStream tmp = null;
+            synchronized(this) {
+                tmp = input;
+                input = null;
+            }
+            tmp.close();
+
+            // If looping, re-open
+            if (isLooping()) {
+                openInput();
+                // and fill
+                fill();
+            }
+        }
+    }
+
+    // These are only for use by the Mixer
+    private float leftGain;
+    private float rightGain;
+    
+    void setLeftGain(float leftGain) {
+        this.leftGain = leftGain;
+    }
+
+    float getLeftGain() {
+        return leftGain;
+    }
+
+    void setRightGain(float rightGain) {
+        this.rightGain = rightGain;
+    }
+
+    float getRightGain() {
+        return rightGain;
+    }
+
+    Vec3f getPosition() {
+        return position;
+    }
+
+    // This is called by the mixer and must be extremely fast
+    // Note this assumes mono sounds (FIXME)
+    boolean hasNextSample() {
+        return (!activeBuffer.empty() && samplePosition < activeBuffer.numSamples());
+    }
+
+    // This is called by the mixer and must be extremely fast
+    float nextSample() {
+        float res = activeBuffer.getSample(samplePosition++);
+        ++samplesRead;
+        if (!hasNextSample()) {
+            swapBuffers();
+            samplePosition = 0;
+            if (done()) {
+                playing = false;
+            }
+        }
+        return res;
+    }
+
+    synchronized void swapBuffers() {
+        SoundBuffer tmp = activeBuffer;
+        activeBuffer = fillingBuffer;
+        fillingBuffer = tmp;
+        fillingBuffer.empty(true);
+    }
+
+    // This provides a more robust termination condition
+    boolean done() {
+        return (samplesRead == totalSamples) && !looping;
+    }
+}