Capture de la vidéo en direct à partir d'une webcam à l'aide de Java une jmf

Pour capturer de la vidéo en direct depuis le web à l'aide de java et jmf j'ai écrit le code ci-dessous , j'ai le plugin usb webcam aussi, mais il donne java.util.NoSuchElementException

quelqu'un s'il vous plaît aider moi

import java.util.Vector;
import javax.media.*;
import javax.media.format.AudioFormat;
import javax.media.format.VideoFormat;
import javax.media.protocol.DataSource;
import javax.media.CaptureDeviceInfo;
import javax.media.format.YUVFormat;
import javax.media.protocol.FileTypeDescriptor;
public class CamRecorder {
static VideoFormat videoFormat;
static AudioFormat audioFormat;
static CaptureDeviceInfo videoDevice;
static CaptureDeviceInfo audioDevice;
public static void main(String[] args) {
try {
Vector deviceList = CaptureDeviceManager.getDeviceList(new YUVFormat()); //get all media devices
CaptureDeviceInfo device = (CaptureDeviceInfo) deviceList.firstElement(); //in this computer the only capture device is in=built webcam stays at 0th position
Format[] formats = device.getFormats(); //get all formats
for (int x = 0; x < formats.length; x++) {
if (formats[x] != null && formats[x] instanceof VideoFormat) {
videoFormat = (VideoFormat) formats[x]; //take the video format
videoDevice = device;
}
if (formats[x] != null && formats[x] instanceof AudioFormat) {
audioFormat = (AudioFormat) formats[x]; //take the audio format
//audioDevice = device;
}
}
//create data sources
DataSource videoDataSource = Manager.createDataSource(device.getLocator());
deviceList = CaptureDeviceManager.getDeviceList(new AudioFormat(null)); //get all media devices
device = (CaptureDeviceInfo) deviceList.firstElement();
DataSource audioDataSource=Manager.createDataSource(device.getLocator());
DataSource[] dArray=new DataSource[2];
dArray[0]=videoDataSource;
dArray[1]=audioDataSource;
DataSource mixedDataSource = Manager.createMergingDataSource(dArray);
//format for output
Format[] outputFormats=new Format[2];
outputFormats[0]=new VideoFormat(VideoFormat.YUV);
outputFormats[1]=new AudioFormat(AudioFormat.LINEAR);
//output type
FileTypeDescriptor outputType=new FileTypeDescriptor(FileTypeDescriptor.MSVIDEO);
//settingup Processor
ProcessorModel processorModel=new ProcessorModel(mixedDataSource, outputFormats, outputType);
Processor processor=Manager.createRealizedProcessor(processorModel);
//settingup sink
DataSource outputDataSource=processor.getDataOutput();
MediaLocator destination=new MediaLocator("file:.\\testcam.avi");
DataSink dataSink=Manager.createDataSink(outputDataSource, destination);
dataSink.open();
//start sink + processor
Thread.sleep(4000);
dataSink.start();
processor.start();
Thread.sleep(4000);
dataSink.close();
processor.stop();
processor.close();
} catch (Exception ex) {
System.out.println(ex);
}
}

}

veuillez poster le fullstacktrace

OriginalL'auteur balaraju | 2013-07-11