Xuggle codec identification fail

Posted by Thiago on Stack Overflow See other posts from Stack Overflow or by Thiago
Published on 2010-05-03T19:15:49Z Indexed on 2010/05/03 19:18 UTC
Read the original article Hit count: 611

Filed under:

java

|

flv

|

mp3

Hi there,

I'm trying to run the following Xuggle code:

public static boolean convert(String stream) throws IOException, InterruptedException {

IMediaReader reader = ToolFactory.makeReader(stream + ".flv");

IMediaWriter writer = ToolFactory.makeWriter(stream + ".mp3", reader); reader.addListener(writer);

while (reader.readPacket() != null) ;

return true; }

Where stream is the file path. But I'm getting the following exception:

java.lang.IllegalArgumentException: could not find input codec id
 at com.xuggle.xuggler.IContainerFormat.establishOutputCodecId(IContainerFormat.java:393)
 at com.xuggle.xuggler.IContainerFormat.establishOutputCodecId(IContainerFormat.java:327)
 at com.xuggle.xuggler.IContainerFormat.establishOutputCodecId(IContainerFormat.java:300)
 at com.xuggle.mediatool.MediaWriter.addStreamFromContainer(MediaWriter.java:1141)
 at com.xuggle.mediatool.MediaWriter.getStream(MediaWriter.java:1046)
 at com.xuggle.mediatool.MediaWriter.encodeAudio(MediaWriter.java:837)
 at com.xuggle.mediatool.MediaWriter.onAudioSamples(MediaWriter.java:1448)
 at com.xuggle.mediatool.AMediaToolMixin.onAudioSamples(AMediaToolMixin.java:89)
 at com.xuggle.mediatool.MediaReader.dispatchAudioSamples(MediaReader.java:628)
 at com.xuggle.mediatool.MediaReader.decodeAudio(MediaReader.java:555)
 at com.xuggle.mediatool.MediaReader.readPacket(MediaReader.java:469)
 at <package_name>MediaFile.convert(MediaFile.java:66)
 at <package_name>.MediaFileTest.shouldConvertExistingFLV(MediaFileTest.java:32)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
 at java.lang.reflect.Method.invoke(Unknown Source)
 at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
 at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
 at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
 at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
 at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
 at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
 at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:73)
 at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:46)
 at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:180)
 at org.junit.runners.ParentRunner.access$000(ParentRunner.java:41)
 at org.junit.runners.ParentRunner$1.evaluate(ParentRunner.java:173)
 at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
 at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
 at org.junit.runners.ParentRunner.run(ParentRunner.java:220)
 at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:46)
 at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
 at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
 at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
 at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
 at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)

The unit test is the following:

@Test public void shouldConvertExistingFLV() throws IOException, InterruptedException { String str = "C:\Program Files\Wowza Media Systems\Wowza Media Server 2\content\Extremists"; //"c:/temp/corneta.flv" boolean result = MediaFile.convert(str); assertTrue(result); }

So, why can't he find the codec, since I'm testing for a simple flv to mp3 conversion?

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