What happens if you attempt to get a SourceDataLine like this?
AudioFormat audioFormat = new AudioFormat (...);
SourceDataLine sdl = AudioSystem.getSourceDataLine (audioFormat);
The above inside a try/catch of course..
Bob
--
On 24 Mar 2010, at 06:50, Paulo Levi wrote:
> Here is a testcase. Hope this can be fixed:
>
> package util.speech;
>
> import java.util.Iterator;
> import java.util.Locale;
> import javax.sound.sampled.AudioFormat;
> import javax.sound.sampled.AudioSystem;
> import javax.sound.sampled.DataLine;
> import javax.sound.sampled.LineUnavailableException;
> import javax.sound.sampled.Mixer;
> import javax.sound.sampled.SourceDataLine;
> import org.junit.After;
> import org.junit.AfterClass;
> import org.junit.Assume;
> import org.junit.Before;
> import org.junit.BeforeClass;
> import org.junit.Test;
> import static org.junit.Assert.*;
>
> /**
> *
> * @author i30817
> */
> public class VoiceTest {
>
>
>
> public VoiceTest() {
> }
>
> @BeforeClass
> public static void setUpClass() throws Exception {
> }
>
> @AfterClass
> public static void tearDownClass() throws Exception {
> }
>
> @Before
> public void setUp() {
>
> }
>
> @After
> public void tearDown() {
> }
>
> @Test
> public void testDataLineAvailableAndBuggyInJDK() throws
> LineUnavailableException {
> boolean failedSimpleGetLine = false;
> AudioFormat format = new AudioFormat(44100, 16, 2, true, false);
> SourceDataLine line = null;
> DataLine.Info info = new DataLine.Info(SourceDataLine.class, format);
> try {
> line = (SourceDataLine) AudioSystem.getLine(info);
> } catch (LineUnavailableException e) {
> //ok, at least it says so
> throw e;
> }
> try {
> //if this fails the jdk is very buggy, since it just told us
> //the line was available
> line.open(format);
> } catch (LineUnavailableException e) {
> failedSimpleGetLine = true;
> } finally {
> if (line.isOpen()) {
> line.close();
> }
> }
>
>
>
> //now if this is true, test if it's possible to get a valid
> sourcedataline
> //or the only bug is adquiring a sourcedataline doesn't throw a
> lineunavailable
> //exception before open
> Assume.assumeTrue(failedSimpleGetLine);
> line = getSourceDataLine(format);
> if (line == null) {
> return;
> }
>
> try {
> line.open(format);
> } catch (LineUnavailableException e) {
> //ok then it is consistent, and there is only one bug
> fail("Line Unavailable after being adquired");
> } finally {
> if (line.isOpen()) {
> line.close();
> }
> }
> fail("line available after first test not managing to adquire it");
> }
>
>
> private SourceDataLine getSourceDataLine(AudioFormat format) {
> try {
> DataLine.Info info = new DataLine.Info(SourceDataLine.class,
> format);
> for (Mixer.Info mi : AudioSystem.getMixerInfo()) {
> SourceDataLine dataline = null;
> try {
> Mixer mixer = AudioSystem.getMixer(mi);
> dataline = (SourceDataLine) mixer.getLine(info);
> dataline.open(format);
> dataline.start();
> return dataline;
> } catch (Exception e) {
> }
> if (dataline != null) {
> try {
> dataline.close();
> } catch (Exception e) {
> }
> }
> }
> } catch (Exception e) {
> }
> return null;
> }
> }
>
>
>
> On Wed, Mar 24, 2010 at 5:56 AM, Paulo Levi <i30...@gmail.com> wrote:
> Forgot this is when using freetts, but really i expect it to happen with
> other programs.
>
>
> On Wed, Mar 24, 2010 at 5:55 AM, Paulo Levi <i30...@gmail.com> wrote:
> This still happens on ubuntu lucid lynx with a recent jdk
> java version "1.7.0_0-icedtea"
> OpenJDK Runtime Environment (IcedTea7 1.11) (7b72-0ubuntu1~ppa1)
> OpenJDK Client VM (build 17.0-b01, mixed mode, sharing)
>
> in the third post in this thread
> http://forums.sun.com/thread.jspa?threadID=5189363
>
> Don't you guys test sound in linux :(
>
>
