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에 스트리밍하지 플레이어 MP3를 준다 오류 :JMF MP3 파일은 RTP
RTP Handler internal error: javax.media.ControllerErrorEvent[source=com.sun.medi
[email protected],message=Internal module com.sun.media.BasicRend
[email protected]: failed to handle a data format change!]
i m running
server as:java MediaConverterExample rtp://rajneesh-pc:49150/audio Dead_End.mp3
client as:java PlayerExample rtp://rajneesh-pc:49150/audio
이 서버 측 코드를입니다
import javax.media.*;
import java.io.File;
import java.io.IOException;
import java.net.URL;
import java.net.MalformedURLException;
import javax.media.protocol.*;
import javax.media.format.AudioFormat;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
class MediaConvertion
{
private MediaLocator mediaLocator = null;
private DataSink dataSink = null;
private Processor mediaProcessor = null;
private static final Format[] FORMATS = new Format[] { new AudioFormat(AudioFormat.MPEG_RTP)};
private static final ContentDescriptor CONTENT_DESCRIPTOR =new ContentDescriptor (ContentDescriptor.RAW_RTP);
public MediaConvertion(String url)throws IOException,NoProcessorException, CannotRealizeException, NoDataSinkException, NoDataSinkException
{
mediaLocator=new MediaLocator(url);
}
public void setDataSource(DataSource ds) throws IOException,NoProcessorException, CannotRealizeException, NoDataSinkException {
mediaProcessor = Manager.createRealizedProcessor(new ProcessorModel(ds, FORMATS, CONTENT_DESCRIPTOR));
dataSink = Manager.createDataSink(mediaProcessor.getDataOutput(),mediaLocator);
}
public void startTransmitting() throws IOException {
mediaProcessor.start();
dataSink.open();
dataSink.start();
}
public void stopTransmitting() throws IOException {
dataSink.stop();
dataSink.close();
mediaProcessor.stop();
mediaProcessor.close();
}
}
public class MediaConverterExample extends Frame implements ActionListener
{
Button st_stream;
static MediaConvertion mdcon;
public static void main(String args[])throws IOException,NoProcessorException, CannotRealizeException, NoDataSinkException,MalformedURLException,NoDataSourceException
{
Format input1 = new AudioFormat(AudioFormat.MPEGLAYER3);
Format input2 = new AudioFormat(AudioFormat.MPEG);
Format output = new AudioFormat(AudioFormat.LINEAR);
PlugInManager.addPlugIn(
"com.sun.media.codec.audio.mp3.JavaDecoder",
new Format[]{input1, input2},
new Format[]{output},
PlugInManager.CODEC
);
File mediaFile = new File(args[1]);
DataSource source = Manager.createDataSource(new MediaLocator(mediaFile.toURL()));
mdcon=new MediaConvertion(args[0]);
mdcon.setDataSource(source);
new MediaConverterExample();
}
public MediaConverterExample()
{
st_stream=new Button("Start Streaming");
add(st_stream);
st_stream.addActionListener(this);
setVisible(true);
setSize(200,300);
}
public void actionPerformed(ActionEvent ae)
{
try
{
mdcon.startTransmitting();
}
catch(Exception e){
}
}
}
이 클라이언트 측 코드
입니다import javax.media.*;
import java.io.File;
import java.io.IOException;
import java.net.URL;
import java.net.MalformedURLException;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import javax.media.format.*;
public class PlayerExample extends JFrame implements ActionListener
{
Button play;
SimpleAudioPlayer sap;
PlayerExample(String playFile) throws IOException,NoPlayerException, CannotRealizeException
{
sap=new SimpleAudioPlayer(new MediaLocator(playFile));
setLayout(new BorderLayout());
//add(sap.VideoComponent(),BorderLayout.CENTER);
//add(sap.AudioComponent(),BorderLayout.WEST);
//add(sap.ControlComponent(),BorderLayout.NORTH);
add(play=new Button("play"),BorderLayout.SOUTH);
play.addActionListener(this);
setSize(200,300);
setVisible(true);
}
public void actionPerformed(ActionEvent ae)
{
sap.play();
}
public static void main(String args[])throws IOException,NoPlayerException, CannotRealizeException
{
Format input1 = new AudioFormat(AudioFormat.MPEGLAYER3);
Format input2 = new AudioFormat(AudioFormat.MPEG);
Format output = new AudioFormat(AudioFormat.LINEAR);
PlugInManager.addPlugIn(
"com.sun.media.codec.audio.mp3.JavaDecoder",
new Format[]{input1, input2},
new Format[]{output},
PlugInManager.CODEC
);
new PlayerExample(args[0]);
}
}
class SimpleAudioPlayer {
private Player videoPlayer = null;
public SimpleAudioPlayer(MediaLocator ml) throws IOException, NoPlayerException, CannotRealizeException {
videoPlayer = Manager.createRealizedPlayer(ml);
}
public void play() {
//videoPlayer.deallocate();
videoPlayer.start();
}
public void stop() {
videoPlayer.stop();
}
public Component VideoComponent(){
return videoPlayer.getVisualComponent();
}
public Component ControlComponent(){
return videoPlayer.getControlPanelComponent();
}
public Component AudioComponent(){
return videoPlayer.getGainControl().getControlComponent();
}
}
제가 할 수있는 모든 일을 도와주세요. 제가 누락되었을 수있는 다른 세부 정보를 알려주십시오. 서버는 잘 실행되지만 플레이어 생성시 클라이언트 블록은 잘 실행됩니다. 내가 사용하는 오디오 포맷은 MPEG_RAW입니다. 열심히 대답을 찾고, 미리 감사드립니다. 오라클 포럼에서 보았을 때이 해결