Examples of javax.media.format.AudioFormat

javax.media.format.AudioFormat
sun.com/products/java-media/jmf/2.1.1/apidocs/javax/media/format/AudioFormat.html" target="_blank">this class in the JMF Javadoc. Coding complete. Frame size/rate: for linear formats this will generally be the sample size/rate * the number of channels. For compressed formats this will be the size of the "frames", which is completely codec dependent. And the Frame rate is similarly the rate for these frames. @author Ken Larson

      if (!(input instanceof AudioFormat))
      {  
        logger.warning(this.getClass().getSimpleName() + ".getSupportedOutputFormats: input format does not match, returning format array of {null} for " + input); // this can cause an NPE in JMF if it ever happens.
        return new Format[] {null};
      }
      final AudioFormat inputCast = (AudioFormat) input;
      if (!inputCast.getEncoding().equals(AudioFormat.ALAW) ||
        (inputCast.getSampleSizeInBits() != 8 && inputCast.getSampleSizeInBits() != Format.NOT_SPECIFIED) ||
        (inputCast.getChannels() != 1 && inputCast.getChannels() != Format.NOT_SPECIFIED) ||
        (inputCast.getFrameSizeInBits() != 8 && inputCast.getFrameSizeInBits() != Format.NOT_SPECIFIED)
        )
      {
        logger.warning(this.getClass().getSimpleName() + ".getSupportedOutputFormats: input format does not match, returning format array of {null} for " + input); // this can cause an NPE in JMF if it ever happens.
        return new Format[] {null};
      }
      final AudioFormat result = new AudioFormat(BonusAudioFormatEncodings.ALAW_RTP, inputCast.getSampleRate(), 8,
          1, inputCast.getEndian(), inputCast.getSigned(), 8, 
          inputCast.getFrameRate(), inputCast.getDataType());


      return new Format[] {result};
    }

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    assertEquals(new IndexedColorFormat(new Dimension(1, 1), 2000, Format.byteArray, -1.f, 1, 2, new byte[] {0, 0}, new byte[] {0, 0}, new byte[] {0, 0}).toString(), "IRGB, 1x1, Length=2000");
    assertEquals(new IndexedColorFormat(new Dimension(1, 1), -1, Format.byteArray, -1.f, 1, 2, new byte[] {0, 0}, new byte[] {0, 0}, new byte[] {0, 0}).toString(), "IRGB, 1x1");
    assertEquals(new IndexedColorFormat(null, -1, Format.byteArray, -1.f, 1, 2, new byte[] {0, 0}, new byte[] {0, 0}, new byte[] {0, 0}).toString(), "IRGB");
  
  
    assertEquals(new AudioFormat(AudioFormat.DOLBYAC3).toString(), "dolbyac3, Unknown Sample Rate");
    assertEquals(new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 1, 2, 3, 4, 5, 6.0, Format.byteArray).toString(), "dolbyac3, 2.0 Hz, 1-bit, Stereo, Unsigned, 6.0 frame rate, FrameSize=5 bits");
    assertEquals(new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 1, 1, 3, 4, 5, 6.0, Format.byteArray).toString(), "dolbyac3, 2.0 Hz, 1-bit, Mono, Unsigned, 6.0 frame rate, FrameSize=5 bits");
    assertEquals(new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 1, 0, 3, 4, 5, 6.0, Format.byteArray).toString(), "dolbyac3, 2.0 Hz, 1-bit, 0-channel, Unsigned, 6.0 frame rate, FrameSize=5 bits");
    assertEquals(new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 1, 3, 3, 4, 5, 6.0, Format.byteArray).toString(), "dolbyac3, 2.0 Hz, 1-bit, 3-channel, Unsigned, 6.0 frame rate, FrameSize=5 bits");
    assertEquals(new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 1, 3, 3, 0, 5, 6.0, Format.byteArray).toString(), "dolbyac3, 2.0 Hz, 1-bit, 3-channel, Unsigned, 6.0 frame rate, FrameSize=5 bits");
    assertEquals(new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 1, 3, 3, 1, 5, 6.0, Format.byteArray).toString(), "dolbyac3, 2.0 Hz, 1-bit, 3-channel, Signed, 6.0 frame rate, FrameSize=5 bits");
    assertEquals(new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 32, 3, 1, 1, 5, 6.0, Format.byteArray).toString(), "dolbyac3, 2.0 Hz, 32-bit, 3-channel, BigEndian, Signed, 6.0 frame rate, FrameSize=5 bits");
    assertEquals(new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 32, 3, 0, 1, 5, 6.0, Format.byteArray).toString(), "dolbyac3, 2.0 Hz, 32-bit, 3-channel, LittleEndian, Signed, 6.0 frame rate, FrameSize=5 bits");
    assertEquals(new AudioFormat(AudioFormat.LINEAR, 2.0, 16, 3, 1, 1, 5, 6.0, Format.byteArray).toString(), "LINEAR, 2.0 Hz, 16-bit, 3-channel, BigEndian, Signed, 6.0 frame rate, FrameSize=5 bits");
    assertEquals(new AudioFormat(AudioFormat.LINEAR, 2.0, 8, 3, 1, 1, 5, 6.0, Format.byteArray).toString(), "LINEAR, 2.0 Hz, 8-bit, 3-channel, Signed, 6.0 frame rate, FrameSize=5 bits");
    assertEquals(new AudioFormat(AudioFormat.LINEAR, 2.0, 9, 3, 1, 1, 5, 6.0, Format.byteArray).toString(), "LINEAR, 2.0 Hz, 9-bit, 3-channel, BigEndian, Signed, 6.0 frame rate, FrameSize=5 bits");
    assertEquals(new AudioFormat(AudioFormat.LINEAR, 2.0, -1, 3, 1, 1, 5, 6.0, Format.byteArray).toString(), "LINEAR, 2.0 Hz, 3-channel, Signed, 6.0 frame rate, FrameSize=5 bits");
    assertEquals(new AudioFormat(null).toString(), "null, Unknown Sample Rate");
  }

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      assertEquals(f2.getSize(), null);
      
    }


    {
      final AudioFormat f1 = new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 1, 2, 3, 4, 5, 6.0, Format.byteArray);
      final AudioFormat f2 = (AudioFormat) f1.relax();
      assertTrue(f1.equals(f2));
      assertEquals(f2.getSampleRate(), f1.getSampleRate());
      assertEquals(f2.getChannels(), f1.getChannels());
      assertEquals(f2.getEndian(), f1.getEndian());
      assertEquals(f2.getEncoding(), f1.getEncoding());
      assertEquals(f2.getDataType(), f1.getDataType());
      assertEquals(f2.getFrameRate(), f1.getFrameRate());
      assertEquals(f2.getFrameSizeInBits(), f1.getFrameSizeInBits());
      assertEquals(f2.getSampleSizeInBits(), f1.getSampleSizeInBits());
      assertEquals(f2.getSigned(), f1.getSigned());
      
    }


    {
      final RGBFormat f1 = new RGBFormat(new Dimension(1, 1), 2000, Format.byteArray, 2.f, 1, 2, 3, 4, 5, 6, 7, 8);
      final RGBFormat f2 = (RGBFormat) f1.relax();
      assertFalse(f1.equals(f2));
      assertEquals(f2.getRedMask(), f1.getRedMask());
      assertEquals(f2.getGreenMask(), f1.getGreenMask());
      assertEquals(f2.getBlueMask(), f1.getBlueMask());
      assertEquals(f2.getEncoding(), f1.getEncoding());
      assertEquals(f2.getDataType(), f1.getDataType());
      assertEquals(f2.getFrameRate(), -1.f);
      assertEquals(f2.getLineStride(), -1);
      assertEquals(f2.getEndian(), f1.getEndian());
      assertEquals(f2.getBitsPerPixel(), f1.getBitsPerPixel());
      assertEquals(f2.getFlipped(), f1.getFlipped());
      assertEquals(f2.getMaxDataLength(), -1);
      assertEquals(f2.getSize(), null);
      
    }


    {
      final YUVFormat f1 = new YUVFormat(new Dimension(1, 1), 2000, Format.byteArray, 2.f, 1, 2, 3, 4, 5, 6);
      final YUVFormat f2 = (YUVFormat) f1.relax();
      assertFalse(f1.equals(f2));
      assertEquals(f2.getEncoding(), f1.getEncoding());
      assertEquals(f2.getDataType(), f1.getDataType());
      assertEquals(f2.getFrameRate(), -1.f);
      assertEquals(f2.getMaxDataLength(), -1);
      assertEquals(f2.getSize(), null);
      assertEquals(f2.getOffsetU(), -1);
      assertEquals(f2.getOffsetV(), -1);
      assertEquals(f2.getOffsetY(), -1);
      assertEquals(f2.getStrideUV(), -1);
      assertEquals(f2.getStrideY(), -1);
      assertEquals(f2.getYuvType(), f1.getYuvType());
      
    }
    
    {
      final JPEGFormat f1 = new JPEGFormat(new Dimension(1, 1), 2000, Format.byteArray, 2.f, 1, 2);
      final JPEGFormat f2 = (JPEGFormat) f1.relax();
      assertFalse(f1.equals(f2));
      assertEquals(f2.getEncoding(), f1.getEncoding());
      assertEquals(f2.getDataType(), f1.getDataType());
      assertEquals(f2.getFrameRate(), -1.f);
      assertEquals(f2.getMaxDataLength(), -1);
      assertEquals(f2.getSize(), null);
      assertEquals(f2.getQFactor(), f1.getQFactor());
      assertEquals(f2.getDecimation(), f1.getDecimation());
      
    }
    
    {
      final H261Format f1 = new H261Format(new Dimension(1, 1), 2000, Format.byteArray, 2.f, 1);
      final H261Format f2 = (H261Format) f1.relax();
      assertFalse(f1.equals(f2));
      assertEquals(f2.getEncoding(), f1.getEncoding());
      assertEquals(f2.getDataType(), f1.getDataType());
      assertEquals(f2.getFrameRate(), -1.f);
      assertEquals(f2.getMaxDataLength(), -1);
      assertEquals(f2.getSize(), null);
      assertEquals(f2.getStillImageTransmission(), f1.getStillImageTransmission());
      
    }


    {
      final H263Format f1 = new H263Format(new Dimension(1, 1), 2000, Format.byteArray, 2.f, 1, 2, 3, 4, 5, 6);
      final H263Format f2 = (H263Format) f1.relax();
      assertFalse(f1.equals(f2));
      assertEquals(f2.getEncoding(), f1.getEncoding());
      assertEquals(f2.getDataType(), f1.getDataType());
      assertEquals(f2.getFrameRate(), -1.f);
      assertEquals(f2.getMaxDataLength(), -1);
      assertEquals(f2.getSize(), null);
      assertEquals(f2.getAdvancedPrediction(), f1.getAdvancedPrediction());
      assertEquals(f2.getArithmeticCoding(), f1.getArithmeticCoding());
      assertEquals(f2.getErrorCompensation(), f1.getErrorCompensation());
      assertEquals(f2.getHrDB(), f1.getHrDB());
      assertEquals(f2.getPBFrames(), f1.getPBFrames());
      assertEquals(f2.getUnrestrictedVector(), f1.getUnrestrictedVector());
      
    }


  }

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  }
  
  public DePacketizer()
  {
    super();
    this.inputFormats = new Format[] {new AudioFormat(BonusAudioFormatEncodings.ALAW_RTP, -1.0, -1, -1, -1, -1, -1, -1.0, Format.byteArray)};
  }

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    {  
      if (!(input instanceof AudioFormat))
      {  logger.warning(this.getClass().getSimpleName() + ".getSupportedOutputFormats: input format does not match, returning format array of {null} for " + input); // this can cause an NPE in JMF if it ever happens.
        return new Format[] {null};
      }
      final AudioFormat inputCast = (AudioFormat) input;
      if (!inputCast.getEncoding().equals(BonusAudioFormatEncodings.ALAW_RTP))
      {  
        logger.warning(this.getClass().getSimpleName() + ".getSupportedOutputFormats: input format does not match, returning format array of {null} for " + input); // this can cause an NPE in JMF if it ever happens.
        return new Format[] {null};
      }
      final AudioFormat result = new AudioFormat(AudioFormat.ALAW, inputCast.getSampleRate(), inputCast.getSampleSizeInBits(),
          inputCast.getChannels(), inputCast.getEndian(), inputCast.getSigned(), inputCast.getFrameSizeInBits(), 
          inputCast.getFrameRate(), inputCast.getDataType());


      return new Format[] {result};
    }

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  public Decoder()
  {
    super();
    this.inputFormats = new Format[] {
        new AudioFormat(AudioFormat.ALAW, -1.0, 8, 1, -1, AudioFormat.SIGNED, 8, -1.0, Format.byteArray)
        };
    
  }

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  @Override
  public Format setOutputFormat(Format format)
  {
    if (!(format instanceof AudioFormat))
      return null;
    final AudioFormat audioFormat = (AudioFormat) format;
    return super.setOutputFormat(AudioFormatCompleter.complete(audioFormat));
  }

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    {  
      if (!(input instanceof AudioFormat))
      {  logger.warning(this.getClass().getSimpleName() + ".getSupportedOutputFormats: input format does not match, returning format array of {null} for " + input); // this can cause an NPE in JMF if it ever happens.
        return new Format[] {null};
      }
      final AudioFormat inputCast = (AudioFormat) input;
      if (!inputCast.getEncoding().equals(AudioFormat.ALAW) ||
        (inputCast.getSampleSizeInBits() != 8 && inputCast.getSampleSizeInBits() != Format.NOT_SPECIFIED) ||
        (inputCast.getChannels() != 1 && inputCast.getChannels() != Format.NOT_SPECIFIED) ||
        (inputCast.getSigned() != AudioFormat.SIGNED && inputCast.getSigned() != Format.NOT_SPECIFIED) ||
        (inputCast.getFrameSizeInBits() != 8 && inputCast.getFrameSizeInBits() != Format.NOT_SPECIFIED) ||
        (inputCast.getDataType() != null && inputCast.getDataType() != Format.byteArray)
        )
      {  
        logger.warning(this.getClass().getSimpleName() + ".getSupportedOutputFormats: input format does not match, returning format array of {null} for " + input); // this can cause an NPE in JMF if it ever happens.
        return new Format[] {null};
      }
      final AudioFormat result = new AudioFormat(AudioFormat.LINEAR, inputCast.getSampleRate(), 16,
          1, inputCast.getEndian(), AudioFormat.SIGNED, 16, 
          inputCast.getFrameRate(), Format.byteArray);


      return new Format[] {result};
    }

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    assertEquals(new YUVFormat().getEncoding(), "yuv");
    assertEquals(new YUVFormat().getOffsetV(), -1);
    assertTrue(new YUVFormat().getSize() == null);
    assertEquals(new YUVFormat().getDataType(), Format.byteArray);
    
    assertEquals(new AudioFormat(AudioFormat.DOLBYAC3).getDataType(), Format.byteArray);


  }

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  public void testMatches()
  {
    // strangely, WavAudioFormat and AudioFormat match.
    {
      final WavAudioFormat f = new WavAudioFormat("abc");
      final AudioFormat f2 = new AudioFormat("abc");
      assertEquals(f.matches(f2), true);
      assertEquals(f2.matches(f), true);
    }
    
    {
      
      final WavAudioFormat f = new WavAudioFormat("abc", 1.0, 2, 3, 7, 4, 5, 6, 7, byte[].class, new byte[0]);
      final AudioFormat f2 = new AudioFormat("abc", 1.0, 2, 3, 4, 5, 6, 7, byte[].class);
      assertEquals(f.matches(f2), false);
      assertEquals(f2.matches(f), false);
    }
    
  }

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