Examples of com.xuggle.xuggler.IError

com.xuggle.xuggler.IError
Maps from int return codes to defined Error values.
This class is used to map from Xuggler return codes (for example on {@link IContainer#readNextPacket(IPacket)}
WARNING: Do not write code that depends on the integer values returned from Xuggler; instead use the integer value to create one of these objects. That's because integer values returned from methods can have different meanings on different OS systems (for example, ERROR_AGAIN is -11 on Linux, but a different value on MacOS). This class maps the error to a os-type-safe value.
Also, do not depend on the string messages staying constant. They are for debugging purposes only. And we can't control whether or not they are localized -- that's up to your OS. Sorry.

    try
    {
      int rv = getContainer().readNextPacket(packet);
      if (rv < 0)
      {
        IError error = IError.make(rv);


        // if this is an end of file, or unknow, call close


        if (!mCloseOnEofOnly || IError.Type.ERROR_EOF == error.getType())
          close();


        return error;
      }

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  }


  private static String getErrorMessage(int rv)
  {
    String errorString = "";
    IError error = IError.make(rv);
    if (error != null) {
       errorString = error.toString();
       error.delete();
    }
    return errorString;
  }

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    int retval = container.open(deviceName, IContainer.Type.READ, format);
    if (retval < 0)
    {
      // This little trick converts the non friendly integer return value into
      // a slightly more friendly object to get a human-readable error name
      IError error = IError.make(retval);
      throw new IllegalArgumentException("could not open file: " + deviceName + "; Error: " + error.getDescription());
    }      


    // query how many streams the call to open found
    int numStreams = container.getNumStreams();

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  }
  
  private static String getErrorMessage(int rv)
  {
    String errorString = "";
    IError error = IError.make(rv);
    if (error != null) {
       errorString = error.toString();
       error.delete();
    }
    return errorString;
  }

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    {
      // this little trick converts the non friendly integer return
      // value into a slightly more friendly object to get a
      // human-readable error name


      IError error = IError.make(retval);
      throw new IllegalArgumentException(
        "could not open file: " + deviceName + "; Error: " + 
        error.getDescription());
    }      


    // create a media reader to wrap that container


    IMediaReader reader = ToolFactory.makeReader(container);

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    reader.addListener(readerCounter);
    writer.addListener(writerCounter);


    
    IError rv;
    while ((rv = reader.readPacket()) == null)
      ;


    assertEquals(IError.Type.ERROR_EOF    , rv.getType());


    assertEquals(READER_VIDEO_FRAME_COUNT , readerCounter.getCount(VIDEO));
    assertEquals(READER_AUDIO_FRAME_COUNT , readerCounter.getCount(AUDIO));
    assertEquals(1                        , readerCounter.getCount(OPEN));
    assertEquals(1                        , readerCounter.getCount(CLOSE));

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    static void throwIfInError(int errorCode) throws XugglerException {
        if (errorCode >= 0) {
            return;
        }


        IError err = IError.make(errorCode);
        if (err != null) {
            throw new XugglerException(err.toString());
        } else {
            throw new XugglerException("Unidentified Xuggler exception with "
                    + "error code: " + errorCode);
        }
    }

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        false, true, params, null);
    if (retval < 0)
    {
      // This little trick converts the non friendly integer return value into
      // a slightly more friendly object to get a human-readable error name
      IError error = IError.make(retval);
      throw new IllegalArgumentException("could not open file: " + deviceName + "; Error: " + error.getDescription());
    }      


    // query how many streams the call to open found
    int numStreams = container.getNumStreams();

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    try
    {
      int rv = getContainer().readNextPacket(packet);
      if (rv < 0)
      {
        IError error = IError.make(rv);


        // if this is an end of file, or unknow, call close


        if (!mCloseOnEofOnly || IError.Type.ERROR_EOF == error.getType())
          close();


        return error;
      }

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  }


  private static String getErrorMessage(int rv)
  {
    String errorString = "";
    IError error = IError.make(rv);
    if (error != null) {
       errorString = error.toString();
       error.delete();
    }
    return errorString;
  }

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