<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">What happens if you attempt to get a SourceDataLine like this?<div><br></div><div> AudioFormat audioFormat = new AudioFormat (...);<br> SourceDataLine sdl = AudioSystem.getSourceDataLine (audioFormat);</div><div><br></div><div>The above inside a try/catch of course..</div><div><br></div><div>Bob</div><div>--<br><div><div>On 24 Mar 2010, at 06:50, Paulo Levi wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">Here is a testcase. Hope this can be fixed:<br><br>package util.speech;<br><br>import java.util.Iterator;<br>import java.util.Locale;<br>import javax.sound.sampled.AudioFormat;<br>import javax.sound.sampled.AudioSystem;<br>
import javax.sound.sampled.DataLine;<br>import javax.sound.sampled.LineUnavailableException;<br>import javax.sound.sampled.Mixer;<br>import javax.sound.sampled.SourceDataLine;<br>import org.junit.After;<br>import org.junit.AfterClass;<br>
import org.junit.Assume;<br>import org.junit.Before;<br>import org.junit.BeforeClass;<br>import org.junit.Test;<br>import static org.junit.Assert.*;<br><br>/**<br> *<br> * @author i30817<br> */<br>public class VoiceTest {<br>
<br> <br><br> public VoiceTest() {<br> }<br><br> @BeforeClass<br> public static void setUpClass() throws Exception {<br> }<br><br> @AfterClass<br> public static void tearDownClass() throws Exception {<br>
}<br><br> @Before<br> public void setUp() {<br> <br> }<br><br> @After<br> public void tearDown() {<br> }<br><br> @Test<br> public void testDataLineAvailableAndBuggyInJDK() throws LineUnavailableException {<br>
boolean failedSimpleGetLine = false;<br> AudioFormat format = new AudioFormat(44100, 16, 2, true, false);<br> SourceDataLine line = null;<br> <a href="http://DataLine.Info">DataLine.Info</a> info = new <a href="http://DataLine.Info">DataLine.Info</a>(SourceDataLine.class, format);<br>
try {<br> line = (SourceDataLine) AudioSystem.getLine(info);<br> } catch (LineUnavailableException e) {<br> //ok, at least it says so<br> throw e;<br> }<br> try {<br>
//if this fails the jdk is very buggy, since it just told us<br> //the line was available<br> line.open(format);<br> } catch (LineUnavailableException e) {<br> failedSimpleGetLine = true;<br>
} finally {<br> if (line.isOpen()) {<br> line.close();<br> }<br> }<br><br><br><br> //now if this is true, test if it's possible to get a valid sourcedataline<br>
//or the only bug is adquiring a sourcedataline doesn't throw a lineunavailable<br> //exception before open<br> Assume.assumeTrue(failedSimpleGetLine);<br> line = getSourceDataLine(format);<br>
if (line == null) {<br> return;<br> }<br><br> try {<br> line.open(format);<br> } catch (LineUnavailableException e) {<br> //ok then it is consistent, and there is only one bug<br>
fail("Line Unavailable after being adquired");<br> } finally {<br> if (line.isOpen()) {<br> line.close();<br> }<br> }<br> fail("line available after first test not managing to adquire it");<br>
}<br><br><br> private SourceDataLine getSourceDataLine(AudioFormat format) {<br> try {<br> <a href="http://DataLine.Info">DataLine.Info</a> info = new <a href="http://DataLine.Info">DataLine.Info</a>(SourceDataLine.class, format);<br> for (<a href="http://Mixer.Info">Mixer.Info</a> mi : AudioSystem.getMixerInfo()) {<br>
SourceDataLine dataline = null;<br> try {<br> Mixer mixer = AudioSystem.getMixer(mi);<br> dataline = (SourceDataLine) mixer.getLine(info);<br> dataline.open(format);<br>
dataline.start();<br> return dataline;<br> } catch (Exception e) {<br> }<br> if (dataline != null) {<br> try {<br> dataline.close();<br>
} catch (Exception e) {<br> }<br> }<br> }<br> } catch (Exception e) {<br> }<br> return null;<br> }<br>}<br><br><br><br><div class="gmail_quote">
On Wed, Mar 24, 2010 at 5:56 AM, Paulo Levi <span dir="ltr"><<a href="mailto:i30817@gmail.com">i30817@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
Forgot this is when using freetts, but really i expect it to happen with other programs.<div><div></div><div class="h5"><br><br><div class="gmail_quote">On Wed, Mar 24, 2010 at 5:55 AM, Paulo Levi <span dir="ltr"><<a href="mailto:i30817@gmail.com" target="_blank">i30817@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">This still happens on ubuntu lucid lynx with a recent jdk<br>java version "1.7.0_0-icedtea"<br>
OpenJDK Runtime Environment (IcedTea7 1.11) (7b72-0ubuntu1~ppa1)<br>OpenJDK Client VM (build 17.0-b01, mixed mode, sharing)<br>
<br>in the third post in this thread<br><a href="http://forums.sun.com/thread.jspa?threadID=5189363" target="_blank">http://forums.sun.com/thread.jspa?threadID=5189363</a><br><br>Don't you guys test sound in linux :(<br>
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