tags/2.4.1/src.utils/jmf/jp/nyatla/nyartoolkit/jmf/utils/JmfCameraCapture.java

   1 /* \r
   2  * PROJECT: NyARToolkit JMF utilities.\r
   3  * --------------------------------------------------------------------------------\r
   4  * The MIT License\r
   5  * Copyright (c) 2008 nyatla\r
   6  * airmail(at)ebony.plala.or.jp\r
   7  * http://nyatla.jp/nyartoolkit/\r
   8  * \r
   9  * Permission is hereby granted, free of charge, to any person obtaining a copy\r
  10  * of this software and associated documentation files (the "Software"), to deal\r
  11  * in the Software without restriction, including without limitation the rights\r
  12  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\r
  13  * copies of the Software, and to permit persons to whom the Software is\r
  14  * furnished to do so, subject to the following conditions:\r
  15  * The above copyright notice and this permission notice shall be included in\r
  16  * all copies or substantial portions of the Software.\r
  17  * \r
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
  19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r
  20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\r
  21  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r
  22  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\r
  23  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\r
  24  * THE SOFTWARE.\r
  25  * \r
  26  */\r
  27 package jp.nyatla.nyartoolkit.jmf.utils;\r
  28 \r
  29 import javax.media.*;\r
  30 import javax.media.protocol.*;\r
  31 import javax.media.control.*;\r
  32 import javax.media.format.*;\r
  33 import java.awt.*;\r
  34 import java.util.*;\r
  35 import javax.media.protocol.DataSource;\r
  36 \r
  37 import jp.nyatla.nyartoolkit.NyARException;\r
  38 \r
  39 /**\r
  40  * 簡易JMFキャプチャクラス\r
  41  * @deprecated このクラスは近い将来削除します。\r
  42  * JmfCaptureDeviceList/JmfCaptureDeviceを使用してください。\r
  43  * {@link #JmfCaptureDeviceList()}\r
  44  *\r
  45  */\r
  46 @Deprecated public class JmfCameraCapture\r
  47 {\r
  48         private Dimension image_size;\r
  49 \r
  50         private JmfCaptureListener capture_listener;\r
  51 \r
  52         // private DataSource jmf_data_source;\r
  53         private MonitorStream jmf_monitor_stream;\r
  54 \r
  55         private Processor jmf_processor;\r
  56 \r
  57         private VideoFormat jmf_video_format;\r
  58 \r
  59         private Buffer read_buf = new Buffer();\r
  60 \r
  61         public static final String PIXEL_FORMAT_RGB = "RGB";\r
  62 \r
  63         public JmfCameraCapture(int i_width, int i_height, float i_rate, String i_pixcel_format)\r
  64         {\r
  65                 String encoding = i_pixcel_format;// comboEncoding.getSelectedItem();\r
  66                 image_size = new Dimension(i_width, i_height);\r
  67                 jmf_video_format = new VideoFormat(encoding, image_size, Format.NOT_SPECIFIED, null, i_rate);\r
  68         }\r
  69 \r
  70         public Dimension getSize()\r
  71         {\r
  72                 return image_size;\r
  73         }\r
  74 \r
  75         public javax.media.Buffer readBuffer() throws NyARException\r
  76         {\r
  77                 if (jmf_monitor_stream == null) {\r
  78                         throw new NyARException();\r
  79                 }\r
  80                 try {\r
  81                         jmf_monitor_stream.read(read_buf);\r
  82                 } catch (Exception e) {\r
  83                         throw new NyARException(e);\r
  84                 }\r
  85                 return read_buf;\r
  86         }\r
  87 \r
  88         public void setCaptureListener(JmfCaptureListener i_listener) throws NyARException\r
  89         {\r
  90                 if (jmf_processor != null)\r
  91                 {\r
  92                         throw new NyARException();\r
  93                 }\r
  94                 capture_listener = i_listener;\r
  95 \r
  96         }\r
  97 \r
  98         public void start() throws NyARException\r
  99         {\r
 100 \r
 101                 DataSource ds = getCaptureDS(jmf_video_format);\r
 102                 VideoFormat[] formats = new VideoFormat[] { new VideoFormat(null) };\r
 103                 ProcessorModel pm = new ProcessorModel(ds, formats, null);// ,\r
 104                 // formats,\r
 105                 // ftd);\r
 106                 Processor processor;\r
 107                 try {\r
 108                         processor = Manager.createRealizedProcessor(pm);\r
 109                 } catch (Exception e) {\r
 110                         // Make sure the capture devices are released\r
 111                         ds.disconnect();\r
 112                         throw new NyARException(e);\r
 113                 }\r
 114                 // Get the monitor control:\r
 115                 // Since there are more than one MonitorControl objects\r
 116                 // exported by the DataSource, we get the specific one\r
 117                 // that is also the MonitorStream object.\r
 118                 jmf_monitor_stream = (MonitorStream) ds.getControl("jmfsample.MonitorStream");\r
 119                 jmf_monitor_stream.setCaptureListener(capture_listener);\r
 120                 // jmf_data_source=ds;\r
 121                 jmf_processor = processor;\r
 122                 jmf_processor.start();\r
 123         }\r
 124 \r
 125         public void stop()\r
 126         {\r
 127                 jmf_processor.stop();\r
 128                 jmf_processor.close();\r
 129                 jmf_processor = null;\r
 130 \r
 131         }\r
 132 \r
 133         protected void finalize()\r
 134         {\r
 135                 if (jmf_processor != null) {\r
 136                         jmf_processor.stop();\r
 137                         jmf_processor.close();\r
 138                         jmf_processor = null;\r
 139                 }\r
 140         }\r
 141 \r
 142         private static DataSource getCaptureDS(VideoFormat vf)\r
 143         {\r
 144                 DataSource dsVideo = null;\r
 145                 DataSource ds = null;\r
 146 \r
 147                 // Create a capture DataSource for the video\r
 148                 // If there is no video capture device, then exit with null\r
 149                 if (vf != null) {\r
 150                         dsVideo = createDataSource(vf);\r
 151                         if (dsVideo == null)\r
 152                                 return null;\r
 153                 }\r
 154 \r
 155                 // Create the monitoring datasource wrapper\r
 156                 if (dsVideo != null) {\r
 157                         dsVideo = new MonitorCDS(dsVideo);\r
 158                         return dsVideo;\r
 159                 }\r
 160 \r
 161                 // Merge the data sources, if both audio and video are available\r
 162                 try {\r
 163                         ds = Manager.createMergingDataSource(new DataSource[] { dsVideo });\r
 164                 } catch (IncompatibleSourceException ise) {\r
 165                         return null;\r
 166                 }\r
 167 \r
 168                 return ds;\r
 169         }\r
 170 \r
 171         private static DataSource createDataSource(Format format)\r
 172         {\r
 173                 DataSource ds;\r
 174                 Vector devices;\r
 175                 CaptureDeviceInfo cdi;\r
 176                 MediaLocator ml;\r
 177 \r
 178                 // Find devices for format\r
 179                 devices = CaptureDeviceManager.getDeviceList(format);\r
 180                 if (devices.size() < 1) {\r
 181                         System.err.println("! No Devices for " + format);\r
 182                         return null;\r
 183                 }\r
 184                 // Pick the first device\r
 185                 cdi = (CaptureDeviceInfo) devices.elementAt(0);\r
 186 \r
 187                 ml = cdi.getLocator();\r
 188 \r
 189                 try {\r
 190                         ds = Manager.createDataSource(ml);\r
 191                         ds.connect();\r
 192                         if (ds instanceof CaptureDevice) {\r
 193                                 setCaptureFormat((CaptureDevice) ds, format);\r
 194                         }\r
 195                 } catch (Exception e) {\r
 196                         System.err.println(e);\r
 197                         return null;\r
 198                 }\r
 199                 return ds;\r
 200         }\r
 201 \r
 202         private static void setCaptureFormat(CaptureDevice cdev, Format format)\r
 203         {\r
 204                 FormatControl[] fcs = cdev.getFormatControls();\r
 205                 if (fcs.length < 1) {\r
 206                         return;\r
 207                 }\r
 208                 FormatControl fc = fcs[0];\r
 209                 Format[] formats = fc.getSupportedFormats();\r
 210                 for (int i = 0; i < formats.length; i++) {\r
 211                         if (formats[i].matches(format)) {\r
 212                                 format = formats[i].intersects(format);\r
 213                                 fc.setFormat(format);\r
 214                                 break;\r
 215                         }\r
 216                 }\r
 217         }\r
 218 }