je travaille sur ce code alors a chaque execution apparaisse cette erreur sans résultat
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3 javax.media.CannotRealizeException: Unable to provide all requested tracks Exception in thread "main" java.lang.NullPointerException at Test_Capture_VideoSound.main(Test_Capture_VideoSound.java:105)
le code est le suivant
SVP qui peut m"aidé
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121 import java.io.IOException; import java.util.Vector; import javax.media.CannotRealizeException; import javax.media.CaptureDeviceInfo; import javax.media.CaptureDeviceManager; import javax.media.DataSink; import javax.media.Format; import javax.media.IncompatibleSourceException; import javax.media.Manager; import javax.media.MediaLocator; import javax.media.NoDataSinkException; import javax.media.NoDataSourceException; import javax.media.NoProcessorException; import javax.media.Processor; import javax.media.ProcessorModel; import javax.media.format.AudioFormat; import javax.media.format.VideoFormat; import javax.media.protocol.DataSource; import javax.media.protocol.FileTypeDescriptor; public class Test_Capture_VideoSound { static CaptureDeviceInfo videoDevice = null; static VideoFormat videoFormat = null; static CaptureDeviceInfo audioDevice = null; static AudioFormat audioFormat = null; public static void main(String args[]) throws NoDataSourceException, IOException, IncompatibleSourceException, NoProcessorException, CannotRealizeException, NoDataSinkException { //GET ALL MEDIA DEVICES. Vector deviceListVector = CaptureDeviceManager.getDeviceList(null); //CHOOSE AUDIO & VIDEO DEVICES & FORMATS. for (int x = 0; x < deviceListVector.size(); x++) { CaptureDeviceInfo device = (CaptureDeviceInfo) deviceListVector.elementAt(x); String deviceName = device.getName(); Format deviceFormat[] = device.getFormats(); for (int y = 0; y < deviceFormat.length; y++) { if (videoDevice == null && deviceFormat[y] instanceof VideoFormat) { videoDevice = device; videoFormat = (VideoFormat) deviceFormat[y]; } if (audioDevice == null && deviceFormat[y] instanceof AudioFormat) { audioDevice = device; audioFormat = (AudioFormat) deviceFormat[y]; } } } //CREATE DATA SOURCE.-------------------------------- //SETUP VIDEO SOURCE & FORMAT. DataSource videoDataSource = Manager.createDataSource(videoDevice.getLocator()); DeviceInfo.setFormat(videoDataSource, videoFormat); //SETUP AUDIO SOURCE & FORMAT. DataSource audioDataSource = Manager.createDataSource(audioDevice.getLocator()); DeviceInfo.setFormat(audioDataSource, audioFormat); //MERGE VIDEO & AUDIO SOURCES. DataSource dArray[] = new DataSource[2]; dArray[0] = videoDataSource; dArray[1] = audioDataSource; DataSource mixedDataSource = Manager.createMergingDataSource(dArray); //CREATE PROCESSOR.-------------------------------- //DEFINE OUTPUT FORMAT. Format outputFormat[] = new Format[2]; outputFormat[0] = new VideoFormat(VideoFormat.INDEO50); outputFormat[1] = new AudioFormat(AudioFormat.GSM_MS /* LINEAR */); //DEFINE OUTPUT FILE FORMAT. FileTypeDescriptor outputType = new FileTypeDescriptor(FileTypeDescriptor.MSVIDEO); //CRATE PROCESSOR. ProcessorModel processorModel; Processor processor = null ; try { processorModel = new ProcessorModel(mixedDataSource, outputFormat, outputType); processor = Manager.createRealizedProcessor(processorModel); } catch(Exception e) { System.out.println ("Erreur: "+ e); } //CREATE DATA SINK TO FILE.---------------------- DataSource source = processor.getDataOutput(); MediaLocator dest = new MediaLocator("file:testcam.avi"); MyDataSinkListener dataSinkListener = new MyDataSinkListener(); DataSink dataSink = Manager.createDataSink(source, dest); dataSink.addDataSinkListener(dataSinkListener); dataSink.open(); //START DATA SINK AND PROCESSOR. dataSink.start(); processor.start(); Stdout.log("starting capturing ..."); try { Thread.sleep(10000); } catch (InterruptedException ie) {} // capture for 10 seconds Stdout.log("... capturing done"); //CLOSE PROCESSOR. processor.stop(); processor.close(); //CLOSE DATA SINK. dataSinkListener.waitEndOfStream(10); dataSink.close(); } }![]()
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