Estou desenvolvendo um sistema para captura de uma placa de captura video com o JMF.
A captura de imagens estou conseguindo fazer normalmente, fazer a preview, porém, o problema está na captura de video que não achei na internet o codigo. Eu achei um porém está dando erros.
Galera achei um codigo akii na internet que captura o video segue o codigo:
publicvoidIniciar_Video(){device=CaptureDeviceManager.getDevice("vfw://0");MediaLocatormedloc=newMediaLocator("vfw://0");DataSourceDS;try{DS=Manager.createDataSource(medloc);DataSourceDSmixado=null;DataSourceDSarray[]=newDataSource[1];DSarray[0]=DS;DSmixado=javax.media.Manager.createMergingDataSource(DSarray);FileTypeDescriptorsaidaTipo=newFileTypeDescriptor(FileTypeDescriptor.MSVIDEO);FormatformatoSaida[]=newFormat[1];formatoSaida[0]=newVideoFormat(VideoFormat.YUV);ProcessorModelmodeloProcessor=newProcessorModel(DSmixado,formatoSaida,saidaTipo);processador=Manager.createRealizedProcessor(modeloProcessor);//Inicio da GravacaoDataSourcesource=processador.getDataOutput();MediaLocatordestino_video=newMediaLocator("C:\\capturado.avi");dataSink=Manager.createDataSink(source,destino_video);dataSinkListener=newTheDataSinkListener();dataSink.addDataSinkListener(dataSinkListener);dataSink.open();dataSink.start();processador.start();}catch(IOExceptionex){Logger.getLogger(Captura.class.getName()).log(Level.SEVERE,null,ex);}catch(NoDataSourceExceptionex){Logger.getLogger(Captura.class.getName()).log(Level.SEVERE,null,ex);}catch(Exceptione){System.err.println("Erro:"+e.getMessage());}}publicvoidParar_Video(){processador.stop();processador.close();dataSinkListener.waitEndOfStream(1);dataSink.close();}
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at Telas.Captura.Parar_Video(Captura.java:223)
at Telas.Captura.jPanel1MouseReleased(Captura.java:518)
at Telas.Captura.access$500(Captura.java:22)
at Telas.Captura$4.mouseReleased(Captura.java:297)
at java.awt.Component.processMouseEvent(Component.java:6267)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
at java.awt.Component.processEvent(Component.java:6032)
at java.awt.Container.processEvent(Container.java:2041)
at java.awt.Component.dispatchEventImpl(Component.java:4630)
at java.awt.Container.dispatchEventImpl(Container.java:2099)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4577)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168)
at java.awt.Container.dispatchEventImpl(Container.java:2085)
at java.awt.Window.dispatchEventImpl(Window.java:2478)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)