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-rw-r--r--src/jogl/classes/jogamp/opengl/openal/av/ALAudioSink.java110
1 files changed, 110 insertions, 0 deletions
diff --git a/src/jogl/classes/jogamp/opengl/openal/av/ALAudioSink.java b/src/jogl/classes/jogamp/opengl/openal/av/ALAudioSink.java
new file mode 100644
index 000000000..e7a957156
--- /dev/null
+++ b/src/jogl/classes/jogamp/opengl/openal/av/ALAudioSink.java
@@ -0,0 +1,110 @@
+package jogamp.opengl.openal.av;
+
+import java.util.Arrays;
+
+import javax.sound.sampled.AudioFormat;
+import javax.sound.sampled.AudioSystem;
+import javax.sound.sampled.DataLine;
+import javax.sound.sampled.SourceDataLine;
+
+import jogamp.opengl.util.av.AudioSink;
+
+import com.jogamp.openal.*;
+import com.jogamp.openal.util.*;
+
+public class ALAudioSink implements AudioSink {
+
+ static ALC alc;
+ static AL al;
+ static ALCdevice device;
+ static ALCcontext context;
+
+ // AudioFormat parameters
+ public static final int SAMPLE_RATE = 44100;
+ private static final int SAMPLE_SIZE = 16;
+ private static final int CHANNELS = 2;
+ private static final boolean SIGNED = true;
+ private static final boolean BIG_ENDIAN = false;
+
+ // Chunk of audio processed at one time
+ public static final int BUFFER_SIZE = 1000;
+ public static final int SAMPLES_PER_BUFFER = BUFFER_SIZE / 2;
+
+ // Sample time values
+ public static final double SAMPLE_TIME_IN_SECS = 1.0 / SAMPLE_RATE;
+ public static final double BUFFER_TIME_IN_SECS = SAMPLE_TIME_IN_SECS * SAMPLES_PER_BUFFER;
+
+ private static AudioFormat format;
+ private static DataLine.Info info;
+ private static SourceDataLine auline;
+ private static int bufferCount;
+ private static byte [] sampleData = new byte[BUFFER_SIZE];
+
+ private static boolean available = false;
+
+ static {
+
+ boolean joalFound = false;
+ try {
+ Class.forName("com.jogamp.openal.ALFactory");
+ joalFound = true;
+ } catch(ClassNotFoundException e){
+ // Joal not found on classpath
+ }
+
+ if(joalFound) {
+
+ alc = ALFactory.getALC();
+ al = ALFactory.getAL();
+ String deviceSpecifier;
+
+ // Get handle to default device.
+ device = alc.alcOpenDevice(null);
+ if (device == null) {
+ throw new ALException("Error opening default OpenAL device");
+ }
+
+ // Get the device specifier.
+ deviceSpecifier = alc.alcGetString(device, ALC.ALC_DEVICE_SPECIFIER);
+ if (deviceSpecifier == null) {
+ throw new ALException("Error getting specifier for default OpenAL device");
+ }
+
+ // Create audio context.
+ context = alc.alcCreateContext(device, null);
+ if (context == null) {
+ throw new ALException("Error creating OpenAL context");
+ }
+
+ // Set active context.
+ alc.alcMakeContextCurrent(context);
+
+ // Check for an error.
+ if (alc.alcGetError(device) != ALC.ALC_NO_ERROR) {
+ throw new ALException("Error making OpenAL context current");
+ }
+
+ System.out.println("OpenAL audio sink using device: " + deviceSpecifier);
+ available = true;
+ }
+ }
+
+ @Override
+ public boolean isDataAvailable(int data_size) {
+ return false;
+ }
+
+ @Override
+ public void writeData(byte[] sampleData, int data_size) {
+
+ }
+
+ @Override
+ public int getDataAvailable() {
+ return 0;
+ }
+
+ public static boolean isAvailable() {
+ return available;
+ }
+}