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test/javax/sound/sampled/Clip/bug5070081.java

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  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 import java.util.concurrent.TimeUnit;
  25 
  26 import javax.sound.sampled.AudioFormat;
  27 import javax.sound.sampled.AudioSystem;
  28 import javax.sound.sampled.Clip;
  29 import javax.sound.sampled.DataLine;

  30 
  31 /*
  32  * @test
  33  * @bug 5070081
  34  * @summary Tests that javax.sound.sampled.Clip does not loses position through
  35  *          stop/start
  36  * @key headful
  37  */
  38 public class bug5070081 {
  39 
  40     static AudioFormat format = new AudioFormat(22050, 8, 1, false, false);
  41     // create a 3-second file
  42     static byte[] soundData = new byte[(int) (format.getFrameRate() * format.getFrameSize() * 3)];
  43 
  44     static final int LOOP_COUNT = 5;
  45 
  46     static boolean test() throws Exception {
  47         DataLine.Info info = new DataLine.Info(Clip.class, format);
  48         Clip clip = (Clip)AudioSystem.getLine(info);
  49         clip.open(format, soundData, 0, soundData.length);
  50 
  51         boolean bSuccess = true;







  52 
  53         long nLengthMS = clip.getMicrosecondLength()/1000;
  54 
  55         System.out.println("  Clip length:");
  56         System.out.println("    frames: " + clip.getFrameLength());
  57         System.out.println("    seconds: " + nLengthMS/1000.0);
  58 
  59         clip.start();                               // start playing
  60         Thread.sleep(1000);                         // wait a sec
  61         long time1 = currentTimeMillis();
  62         long pos1 = clip.getFramePosition();        // store the position
  63         clip.stop();                                // and then stop
  64         long pos2 = clip.getFramePosition();        // 2nd try
  65         long time2 = currentTimeMillis();
  66 
  67         System.out.println("  Position before stop: " + pos1);
  68         System.out.println("  Position after stop: " + pos2);
  69 
  70         long timeDiff = Math.abs(time2 - time1);
  71         // sample rate is 22050 per second, so 22.05 per ms




  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 import java.util.concurrent.TimeUnit;
  25 
  26 import javax.sound.sampled.AudioFormat;
  27 import javax.sound.sampled.AudioSystem;
  28 import javax.sound.sampled.Clip;
  29 import javax.sound.sampled.DataLine;
  30 import javax.sound.sampled.LineUnavailableException;
  31 
  32 /*
  33  * @test
  34  * @bug 5070081
  35  * @summary Tests that javax.sound.sampled.Clip does not loses position through
  36  *          stop/start

  37  */
  38 public class bug5070081 {
  39 
  40     static AudioFormat format = new AudioFormat(22050, 8, 1, false, false);
  41     // create a 3-second file
  42     static byte[] soundData = new byte[(int) (format.getFrameRate() * format.getFrameSize() * 3)];
  43 
  44     static final int LOOP_COUNT = 5;
  45 
  46     static boolean test() throws Exception {
  47         DataLine.Info info = new DataLine.Info(Clip.class, format);
  48         Clip clip = null;


  49         boolean bSuccess = true;
  50         try {
  51             clip = (Clip) AudioSystem.getLine(info);
  52             clip.open(format, soundData, 0, soundData.length);
  53         } catch (LineUnavailableException | IllegalArgumentException ignored) {
  54             // the test is not applicable
  55             return bSuccess;
  56         }
  57 
  58         long nLengthMS = clip.getMicrosecondLength()/1000;
  59 
  60         System.out.println("  Clip length:");
  61         System.out.println("    frames: " + clip.getFrameLength());
  62         System.out.println("    seconds: " + nLengthMS/1000.0);
  63 
  64         clip.start();                               // start playing
  65         Thread.sleep(1000);                         // wait a sec
  66         long time1 = currentTimeMillis();
  67         long pos1 = clip.getFramePosition();        // store the position
  68         clip.stop();                                // and then stop
  69         long pos2 = clip.getFramePosition();        // 2nd try
  70         long time2 = currentTimeMillis();
  71 
  72         System.out.println("  Position before stop: " + pos1);
  73         System.out.println("  Position after stop: " + pos2);
  74 
  75         long timeDiff = Math.abs(time2 - time1);
  76         // sample rate is 22050 per second, so 22.05 per ms


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