private InputStream getInputStream(
String urlStr, Format outputFormat, ContentDescriptor outputContentDescriptor)
throws Exception {
final ProcessorModel processorModel =
new ProcessorModel(
new MediaLocator(urlStr),
outputFormat == null ? null : new Format[] {outputFormat},
outputContentDescriptor);
final Processor processor = Manager.createRealizedProcessor(processorModel);
final DataSource ds = processor.getDataOutput();
final DataSink[] streamDataSinkHolder = new DataSink[] {null};
// connect the data output of the processor to a StreamDataSink, which
// will make the data available to PipedInputStream, which we return.
final PipedInputStream in =
new PipedInputStream() {
// override close to clean up everything when the media has been
// served.
@Override
public void close() throws IOException {
super.close();
logger.fine("Closed input stream");
logger.fine("Stopping processor");
processor.stop();
logger.fine("Closing processor");
processor.close();
logger.fine("Deallocating processor");
processor.deallocate();
if (streamDataSinkHolder[0] != null) {
logger.fine("Closing StreamDataSink");
streamDataSinkHolder[0].close();
}
}
};
final PipedOutputStream out = new PipedOutputStream(in);
final DataSink streamDataSink = new StreamDataSink(out);
streamDataSinkHolder[0] = streamDataSink;
streamDataSink.setSource(ds);
streamDataSink.open();
streamDataSink.start();
logger.info("Starting processor");
processor.start();
// TODO: if there is an error, make sure we clean up.
// for example, if the client breaks the connection.
// we need a controller listener to listen for errors.
return in;
}
public void player_begin(URL url) {
if (h4JmfPlugin.playMP3 != null) {
logger.severe("playMP3!=null");
h4JmfPlugin.cnsl.append("playMP3!=null");
return;
}
if (url == null) {
h4JmfPlugin.cnsl.append("url==null");
return;
}
MediaLocator mediaLocator = new MediaLocator(url);
try {
// final JPanel jpnl_this=this;
DataSource ds = Manager.createDataSource(mediaLocator);
// cnsl.append("ds="+ds);
h4JmfPlugin.playMP3 = Manager.createPlayer(ds);
/**
* ********************************************************** ControllerListener moved to
* outer class addControllerListener done in h4JmfPlugin **********************************
*/
h4JmfPlugin.player_begin();
} catch (Exception e) {
logger.severe(e.getMessage());
h4JmfPlugin.cnsl.append(e);
return;
}
// h4JmfPlugin.playMP3.realize();
// logger.info("after realize()");
// but possible [JMF thread: com.sun.media.PlaybackEngine@1ac13d7[
// com.sun.media.PlaybackEngine@1ac13d7 ] ( realizeThread)] [error] PlaybackEngine@1ac13d7 ] (
// realizeThread): Unable to handle format: mpeglayer3, 16000.0 Hz, 16-bit, Mono,
// LittleEndian, Signed, 2000.0 frame rate, FrameSize=16384 bits
// running tshvr under hedwig :11:17:08 PM [JMF thread:
// com.sun.media.content.unknown.Handler@8c7be5 ( prefetchThread)] [error] Handler@8c7be5 (
// prefetchThread): Error: Unable to prefetch com.sun.media.PlaybackEngine@6d3b92
} // player_begin