diff options
Diffstat (limited to 'src/jogl/classes/jogamp/opengl/openal')
-rw-r--r-- | src/jogl/classes/jogamp/opengl/openal/av/ALAudioSink.java | 110 |
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; + } +} |