public synchronized void start(boolean loop) {
if (DEBUG || Printer.debug) Printer.debug("> DataPusher.start(loop=" + loop + ")");
try {
if (threadState == STATE_STOPPING) {
// wait that the thread has finished stopping
if (DEBUG || Printer.trace) Printer.trace("DataPusher.start(): calling stop()");
stop();
}
looping = loop;
newPos = 0;
wantedState = STATE_PLAYING;
if (!source.isOpen()) {
if (DEBUG || Printer.trace) Printer.trace("DataPusher: source.open()");
source.open(format);
}
if (DEBUG || Printer.trace) Printer.trace("DataPusher: source.flush()");
source.flush();
if (DEBUG || Printer.trace) Printer.trace("DataPusher: source.start()");
source.start();
if (pushThread == null) {
if (DEBUG || Printer.debug) Printer.debug("DataPusher.start(): Starting push");
pushThread =
JSSecurityManager.createThread(
this, null, // name
false, // daemon
-1, // priority
true); // doStart
}
notifyAll();
} catch (Exception e) {
if (DEBUG || Printer.err) e.printStackTrace();
}
if (DEBUG || Printer.debug) Printer.debug("< DataPusher.start(loop=" + loop + ")");
}
public synchronized void stop() {
if (DEBUG || Printer.debug) Printer.debug("> DataPusher.stop()");
if (threadState == STATE_STOPPING || threadState == STATE_STOPPED || pushThread == null) {
if (DEBUG || Printer.debug) Printer.debug("DataPusher.stop(): nothing to do");
return;
}
if (DEBUG || Printer.debug) Printer.debug("DataPusher.stop(): Stopping push");
wantedState = STATE_WAITING;
if (source != null) {
if (DEBUG || Printer.trace) Printer.trace("DataPusher: source.flush()");
source.flush();
}
notifyAll();
int maxWaitCount = 50; // 5 seconds
while ((maxWaitCount-- >= 0) && (threadState == STATE_PLAYING)) {
try {
wait(100);
} catch (InterruptedException e) {
}
}
if (DEBUG || Printer.debug) Printer.debug("< DataPusher.stop()");
}
/** Write data to the source data line. */
public void run() {
byte[] buffer = null;
boolean useStream = (ais != null);
if (useStream) {
buffer = new byte[BUFFER_SIZE];
} else {
buffer = audioData;
}
while (wantedState != STATE_STOPPING) {
// try {
if (wantedState == STATE_WAITING) {
// wait for 5 seconds - maybe the clip is to be played again
if (DEBUG || Printer.debug) Printer.debug("DataPusher.run(): waiting 5 seconds");
try {
synchronized (this) {
threadState = STATE_WAITING;
wantedState = STATE_STOPPING;
wait(AUTO_CLOSE_TIME);
}
} catch (InterruptedException ie) {
}
if (DEBUG || Printer.debug) Printer.debug("DataPusher.run(): waiting finished");
continue;
}
if (newPos >= 0) {
pos = newPos;
newPos = -1;
}
threadState = STATE_PLAYING;
int toWrite = BUFFER_SIZE;
if (useStream) {
try {
pos = 0; // always write from beginning of buffer
// don't use read(byte[]), because some streams
// may not override that method
toWrite = ais.read(buffer, 0, buffer.length);
} catch (java.io.IOException ioe) {
// end of stream
toWrite = -1;
}
} else {
if (toWrite > audioDataByteLength - pos) {
toWrite = audioDataByteLength - pos;
}
if (toWrite == 0) {
toWrite = -1; // end of "stream"
}
}
if (toWrite < 0) {
if (DEBUG || Printer.debug) Printer.debug("DataPusher.run(): Found end of stream");
if (!useStream && looping) {
if (DEBUG || Printer.debug) Printer.debug("DataPusher.run(): setting pos back to 0");
pos = 0;
continue;
}
if (DEBUG || Printer.debug) Printer.debug("DataPusher.run(): calling drain()");
wantedState = STATE_WAITING;
source.drain();
continue;
}
if (DEBUG || Printer.debug)
Printer.debug("> DataPusher.run(): Writing " + toWrite + " bytes");
int bytesWritten = source.write(buffer, pos, toWrite);
pos += bytesWritten;
if (DEBUG || Printer.debug)
Printer.debug("< DataPusher.run(): Wrote " + bytesWritten + " bytes");
}
threadState = STATE_STOPPING;
if (DEBUG || Printer.debug) Printer.debug("DataPusher: closing device");
if (Printer.trace) Printer.trace("DataPusher: source.flush()");
source.flush();
if (DEBUG || Printer.trace) Printer.trace("DataPusher: source.stop()");
source.stop();
if (DEBUG || Printer.trace) Printer.trace("DataPusher: source.flush()");
source.flush();
if (DEBUG || Printer.trace) Printer.trace("DataPusher: source.close()");
source.close();
threadState = STATE_STOPPED;
synchronized (this) {
pushThread = null;
notifyAll();
}
if (DEBUG || Printer.debug) Printer.debug("DataPusher:end of thread");
}