/**
* Creates an AudioSource which can be to manipulate a Sound buffer. An AudioSource can be created
* multiple times and use the same Sound buffer.
*/
public AudioSource createAudioSource(final String _file, final StreamType _type) {
final AudioBuffer<AndroidSound> buffer =
(AudioBuffer<AndroidSound>) staticSoundManager.get(_file);
if (buffer == null) {
System.out.println("Sound Doesn't exist.");
return null;
}
final AndroidSound sound = buffer.getBuffer();
return new AndroidSource(sound.getBuffer());
}
/** When udpListener gets a packet */
public void packetReceived(DatagramSocket socket, DatagramPacket packet) {
this.rtpClient = packet.getAddress(); // The client address
int type = packet.getData()[1] & ~0x80;
if (type == 0x60 || type == 0x56) { // audio data / resend
// Decale de 4 bytes supplementaires
int off = 0;
if (type == 0x56) {
off = 4;
}
// seqno is on two byte
int seqno =
(int) ((packet.getData()[2 + off] & 0xff) * 256 + (packet.getData()[3 + off] & 0xff));
// + les 12 (cfr. RFC RTP: champs a ignorer)
byte[] pktp = new byte[packet.getLength() - off - 12];
for (int i = 0; i < pktp.length; i++) {
pktp[i] = packet.getData()[i + 12 + off];
}
audioBuf.putPacketInBuffer(seqno, pktp);
}
}
@SuppressWarnings("SleepWhileInLoop")
@Override
boolean bindAudioBuffer(AudioBuffer audioBuffer) {
// First check we've been initialised
if (!initialised) {
return false;
}
// Wait for AudioBuffer to be loaded, or 20 seconds
long startTime = System.currentTimeMillis();
while (audioBuffer.getState() != AudioBuffer.STATE_LOADED
&& System.currentTimeMillis() - startTime < 20000) {
try {
Thread.sleep(50);
} catch (InterruptedException ex) {
}
}
if (audioBuffer instanceof JavaSoundAudioBuffer
&& audioBuffer.getState() == AudioBuffer.STATE_LOADED) {
// Cast to JavaSoundAudioBuffer to enable easier access to specific methods
JavaSoundAudioBuffer buffer = (JavaSoundAudioBuffer) audioBuffer;
// Get a JavaSound DataLine and Clip
DataLine.Info lineInfo;
lineInfo = new DataLine.Info(Clip.class, buffer.getAudioFormat());
Clip newClip;
try {
newClip = (Clip) mixer.getLine(lineInfo);
} catch (LineUnavailableException ex) {
log.warn(
"Error binding JavaSoundSource ("
+ this.getSystemName()
+ ") to AudioBuffer ("
+ this.getAssignedBufferName()
+ ") "
+ ex);
return false;
}
this.clip = newClip;
try {
clip.open(
buffer.getAudioFormat(),
buffer.getDataStorageBuffer(),
0,
buffer.getDataStorageBuffer().length);
} catch (LineUnavailableException ex) {
log.warn(
"Error binding JavaSoundSource ("
+ this.getSystemName()
+ ") to AudioBuffer ("
+ this.getAssignedBufferName()
+ ")"
+ ex);
}
if (log.isDebugEnabled()) {
log.debug(
"Bind JavaSoundAudioSource ("
+ this.getSystemName()
+ ") to JavaSoundAudioBuffer ("
+ audioBuffer.getSystemName()
+ ")");
}
return true;
} else {
log.warn(
"AudioBuffer not loaded error when binding JavaSoundSource ("
+ this.getSystemName()
+ ") to AudioBuffer ("
+ this.getAssignedBufferName()
+ ")");
return false;
}
}
/** Flush the audioBuffer */
public void flush() {
audioBuf.flush();
}
