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

  
  public Encoder()
  {
    super();
    this.inputFormats = new Format[] {
        new AudioFormat(AudioFormat.LINEAR, -1.0, 16, 1, -1, AudioFormat.SIGNED, 16, -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(AudioFormat.LINEAR) ||
        (inputCast.getSampleSizeInBits() != 16 && inputCast.getSampleSizeInBits() != Format.NOT_SPECIFIED) ||
        (inputCast.getChannels() != 1 && inputCast.getChannels() != Format.NOT_SPECIFIED) ||
        (inputCast.getSigned() != AudioFormat.SIGNED && inputCast.getSigned() != Format.NOT_SPECIFIED) ||
        (inputCast.getFrameSizeInBits() != 16 && 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.ALAW, inputCast.getSampleRate(), 8,
          1, inputCast.getEndian(), AudioFormat.SIGNED, 8, 
          inputCast.getFrameRate(), Format.byteArray);


      return new Format[] {result};
    }

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    }
  }


  public void testEqualsMatches_AudioFormat()
  {
    final AudioFormat f1 =  new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 1, 2, 3, 4, 5, 6.0, Format.byteArray);


    // AudioFormat - equal and match:
    {
      final AudioFormat[] f2s = new AudioFormat[]{
          new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 1, 2, 3, 4, 5, 6.0, Format.byteArray),
            (AudioFormat) f1.clone(),
            (AudioFormat) f1.intersects(f1)
      };
      for (int i = 0; i < f2s.length; ++i)
      {
        AudioFormat f2 = f2s[i];
        assertTrue(f1.equals(f2));
        assertTrue(f1.matches(f2));
        assertTrue(f2.equals(f1));
        assertTrue(f2.matches(f1));
      }
    }
    
    // AudioFormat - not equal and not match:
    {
      
      final AudioFormat[] f2s = new AudioFormat[]{
          new AudioFormat(AudioFormat.ALAW, 2.0, 1, 2, 3, 4, 5, 6.0, Format.byteArray),
          new AudioFormat(AudioFormat.DOLBYAC3, 3.0, 1, 2, 3, 4, 5, 6.0, Format.byteArray),
          new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 11, 2, 3, 4, 5, 6.0, Format.byteArray),
          new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 1, 12, 3, 4, 5, 6.0, Format.byteArray),
          new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 1, 2, 13, 4, 5, 6.0, Format.byteArray),
          new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 1, 2, 3, 14, 5, 6.0, Format.byteArray),
          new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 1, 2, 3, 4, 15, 6.0, Format.byteArray),
          new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 1, 2, 3, 4, 5, 16.0, Format.byteArray),
          new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 1, 2, 3, 4, 5, 6.0, Format.intArray),
                  
      };
      for (int i = 0; i < f2s.length; ++i)
      {
        AudioFormat f2 = f2s[i];
        //System.out.println(f2);
        assertFalse(f1.equals(f2));
        assertFalse(f1.matches(f2));
        assertFalse(f2.equals(f1));
        assertFalse(f2.matches(f1));
      }
    }


    // AudioFormat - not equal but match:
    {
      
      final AudioFormat[] f2s = new AudioFormat[]{
          new AudioFormat(null, 2.0, 1, 2, 3, 4, 5, 6.0, Format.byteArray),
          new AudioFormat(AudioFormat.DOLBYAC3, Format.NOT_SPECIFIED, 1, 2, 3, 4, 5, 6.0, Format.byteArray),
          new AudioFormat(AudioFormat.DOLBYAC3, 2.0, Format.NOT_SPECIFIED, 2, 3, 4, 5, 6.0, Format.byteArray),
          new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 1, Format.NOT_SPECIFIED, 3, 4, 5, 6.0, Format.byteArray),
          new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 1, 2, Format.NOT_SPECIFIED, 4, 5, 6.0, Format.byteArray),
          new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 1, 2, 3, Format.NOT_SPECIFIED, 5, 6.0, Format.byteArray),
          new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 1, 2, 3, 4, Format.NOT_SPECIFIED, 6.0, Format.byteArray),
          new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 1, 2, 3, 4, 5, Format.NOT_SPECIFIED, Format.byteArray),
          new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 1, 2, 3, 4, 5, 6.0, null),
                    
      };
      for (int i = 0; i < f2s.length; ++i)
      {
        AudioFormat f2 = f2s[i];
        //System.out.println(f2);
        assertFalse(f1.equals(f2));
        assertTrue(f1.matches(f2));
        assertFalse(f2.equals(f1));
        assertTrue(f2.matches(f1));
      }
    }
  }

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        return "GSM Packetizer";
    }


    public Packetizer() {
        super();
        this.inputFormats = new Format[]{new AudioFormat(AudioFormat.GSM, 8000, 8, 1, -1, AudioFormat.SIGNED, 264, -1.0, Format.byteArray)};


    }

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        else {
            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.GSM) ||
                    (inputCast.getSampleSizeInBits() != 8 && inputCast.getSampleSizeInBits() != Format.NOT_SPECIFIED) ||
                    (inputCast.getChannels() != 1 && inputCast.getChannels() != Format.NOT_SPECIFIED) ||
                    (inputCast.getFrameSizeInBits() != 264 && 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(AudioFormat.GSM_RTP, inputCast.getSampleRate(), 8,
                    1, inputCast.getEndian(), inputCast.getSigned(), 264,
                    inputCast.getFrameRate(), inputCast.getDataType());


            return new Format[]{result};
        }

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    list.add(f.getEncoding().toUpperCase());
    
    if (f instanceof AudioFormat)
    {
      final AudioFormat af = (AudioFormat) f;
      list.add(intToStr((int) af.getSampleRate()));
      list.add(intToStr(af.getSampleSizeInBits()));
      
      list.add(intToStr(af.getChannels()));
      list.add(endianToStr(af.getEndian()));
      list.add(signedToStr(af.getSigned()));
      list.add(intToStr(af.getFrameSizeInBits()));
      list.add(intToStr((int) af.getFrameRate()));
      if (af.getDataType() != null && af.getDataType() != Format.byteArray)
        list.add(dataTypeToStr(af.getDataType()));
      


      
    }
    else if (f instanceof VideoFormat)

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    if (true)
      return;
    
    // unspecified:
    {
      final AudioFormat f1 = new AudioFormat(AudioFormat.DOLBYAC3);
      assertEquals(f1.computeDuration(0), -1L);
      assertEquals(f1.computeDuration(1), -1L);
      assertEquals(f1.computeDuration(1000), -1L);
      
    }
    
    final AudioFormat f0 = new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 1, 2, 3, 4, 5, 6.0, Format.byteArray);
    
    {
      assertEquals(f0.computeDuration(0), 0L);
      assertEquals(f0.computeDuration(1), 266666000L);
      assertEquals(f0.computeDuration(1000), 266666666000L);
      
    }
    
//    public AudioFormat(String encoding, double sampleRate,
//        int sampleSizeInBits, int channels, int endian, int signed,
//        int frameSizeInBits, double frameRate, Class dataType)
    
    // sampleRate - DOES NOT AFFECT.
    {
      final AudioFormat f1 = new AudioFormat(AudioFormat.DOLBYAC3, 4.0, 1, 2, 3, 4, 5, 6.0, Format.byteArray);
      assertEquals(f1.computeDuration(0), f0.computeDuration(0));
      assertEquals(f1.computeDuration(1), f0.computeDuration(1));
      assertEquals(f1.computeDuration(1000), f0.computeDuration(1000));
      
    }
    
    // sampleRate - DOES NOT AFFECT.
    {
      final AudioFormat f1 = new AudioFormat(AudioFormat.DOLBYAC3, Format.NOT_SPECIFIED, 1, 2, 3, 4, 5, 6.0, Format.byteArray);
      assertEquals(f1.computeDuration(0), f0.computeDuration(0));
      assertEquals(f1.computeDuration(1), f0.computeDuration(1));
      assertEquals(f1.computeDuration(1000), f0.computeDuration(1000));
      
    }
    
    // sampleSizeInBits - DOES NOT AFFECT.
    {
      final AudioFormat f1 = new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 2, 2, 3, 4, 5, 6.0, Format.byteArray);
      assertEquals(f1.computeDuration(0), f0.computeDuration(0));
      assertEquals(f1.computeDuration(1), f0.computeDuration(1));
      assertEquals(f1.computeDuration(1000), f0.computeDuration(1000));


      
    }
    // sampleSizeInBits - DOES NOT AFFECT.
    {
      final AudioFormat f1 = new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 16, 2, 3, 4, 5, 6.0, Format.shortArray);
      assertEquals(f1.computeDuration(0), f0.computeDuration(0));
      assertEquals(f1.computeDuration(1), f0.computeDuration(1));
      assertEquals(f1.computeDuration(1000), f0.computeDuration(1000));


      
    }
    // sampleSizeInBits - DOES NOT AFFECT.
    {
      final AudioFormat f1 = new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 32, 2, 3, 4, 5, 6.0, Format.intArray);
      assertEquals(f1.computeDuration(0), f0.computeDuration(0));
      assertEquals(f1.computeDuration(1), f0.computeDuration(1));
      assertEquals(f1.computeDuration(1000), f0.computeDuration(1000));


      
    }
    // sampleSizeInBits - DOES NOT AFFECT.
    {
      final AudioFormat f1 = new AudioFormat(AudioFormat.DOLBYAC3, 2.0, Format.NOT_SPECIFIED, 2, 3, 4, 5, 6.0, Format.intArray);
      assertEquals(f1.computeDuration(0), f0.computeDuration(0));
      assertEquals(f1.computeDuration(1), f0.computeDuration(1));
      assertEquals(f1.computeDuration(1000), f0.computeDuration(1000));


      
    }
    
    // channels - DOES NOT AFFECT.
    {
      final AudioFormat f1 = new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 8, 3, 3, 4, 5, 6.0, Format.byteArray);
      assertEquals(f1.computeDuration(0), f0.computeDuration(0));
      assertEquals(f1.computeDuration(1), f0.computeDuration(1));
      assertEquals(f1.computeDuration(1000), f0.computeDuration(1000));


      
    }
    // channels - DOES NOT AFFECT.
    {
      final AudioFormat f1 = new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 8, 1, 3, 4, 5, 6.0, Format.byteArray);
      assertEquals(f1.computeDuration(0), f0.computeDuration(0));
      assertEquals(f1.computeDuration(1), f0.computeDuration(1));
      assertEquals(f1.computeDuration(1000), f0.computeDuration(1000));


      
    }
    // channels - DOES NOT AFFECT.
    {
      final AudioFormat f1 = new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 8, Format.NOT_SPECIFIED, 3, 4, 5, 6.0, Format.byteArray);
      assertEquals(f1.computeDuration(0), f0.computeDuration(0));
      assertEquals(f1.computeDuration(1), f0.computeDuration(1));
      assertEquals(f1.computeDuration(1000), f0.computeDuration(1000));


      
    }
    
    // endian - DOES NOT AFFECT.
    {
      final AudioFormat f1 = new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 1, 2, 4, 4, 5, 6.0, Format.byteArray);
      assertEquals(f1.computeDuration(0), f0.computeDuration(0));
      assertEquals(f1.computeDuration(1), f0.computeDuration(1));
      assertEquals(f1.computeDuration(1000), f0.computeDuration(1000));


      
    }
    // endian - DOES NOT AFFECT.
    {
      final AudioFormat f1 = new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 1, 2, 0, 4, 5, 6.0, Format.byteArray);
      assertEquals(f1.computeDuration(0), f0.computeDuration(0));
      assertEquals(f1.computeDuration(1), f0.computeDuration(1));
      assertEquals(f1.computeDuration(1000), f0.computeDuration(1000));


      
    }
    // endian - DOES NOT AFFECT.
    {
      final AudioFormat f1 = new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 1, 2, 1, 4, 5, 6.0, Format.byteArray);
      assertEquals(f1.computeDuration(0), f0.computeDuration(0));
      assertEquals(f1.computeDuration(1), f0.computeDuration(1));
      assertEquals(f1.computeDuration(1000), f0.computeDuration(1000));


      
    }
    
    // endian - DOES NOT AFFECT.
    {
      final AudioFormat f1 = new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 1, 2, Format.NOT_SPECIFIED, 4, 5, 6.0, Format.byteArray);
      assertEquals(f1.computeDuration(0), f0.computeDuration(0));
      assertEquals(f1.computeDuration(1), f0.computeDuration(1));
      assertEquals(f1.computeDuration(1000), f0.computeDuration(1000));


      
    }
    
    // signed: - DOES NOT AFFECT.
    {
      final AudioFormat f1 = new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 1, 2, 3, 5, 5, 6.0, Format.byteArray);
      assertEquals(f1.computeDuration(0), f0.computeDuration(0));
      assertEquals(f1.computeDuration(1), f0.computeDuration(1));
      assertEquals(f1.computeDuration(1000), f0.computeDuration(1000));
  
    }
    
    // signed: - DOES NOT AFFECT.
    {
      final AudioFormat f1 = new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 1, 2, 3, 0, 5, 6.0, Format.byteArray);
      assertEquals(f1.computeDuration(0), f0.computeDuration(0));
      assertEquals(f1.computeDuration(1), f0.computeDuration(1));
      assertEquals(f1.computeDuration(1000), f0.computeDuration(1000));
  
    }
    
    // signed: - DOES NOT AFFECT.
    {
      final AudioFormat f1 = new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 1, 2, 3, 1, 5, 6.0, Format.byteArray);
      assertEquals(f1.computeDuration(0), f0.computeDuration(0));
      assertEquals(f1.computeDuration(1), f0.computeDuration(1));
      assertEquals(f1.computeDuration(1000), f0.computeDuration(1000));
  
    }
    
//     signed: - DOES NOT AFFECT.
    {
      final AudioFormat f1 = new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 1, 2, 3, Format.NOT_SPECIFIED, 5, 6.0, Format.byteArray);
      assertEquals(f1.computeDuration(0), f0.computeDuration(0));
      assertEquals(f1.computeDuration(1), f0.computeDuration(1));
      assertEquals(f1.computeDuration(1000), f0.computeDuration(1000));
  
    }
    
    // dataType - DOES NOT AFFECT.
    {
      final AudioFormat f1 = new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 1, 2, 3, 4, 5, 6.0, Format.intArray);
      assertEquals(f1.computeDuration(0), f0.computeDuration(0));
      assertEquals(f1.computeDuration(1), f0.computeDuration(1));
      assertEquals(f1.computeDuration(1000), f0.computeDuration(1000));
      
    }
    
    // dataType  - DOES NOT AFFECT.
    {
      final AudioFormat f1 = new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 1, 2, 3, 4, 5, 6.0, Format.shortArray);
      assertEquals(f1.computeDuration(0), f0.computeDuration(0));
      assertEquals(f1.computeDuration(1), f0.computeDuration(1));
      assertEquals(f1.computeDuration(1000), f0.computeDuration(1000));
      
    }
    
    
    {
      final AudioFormat f1 = new AudioFormat(AudioFormat.DOLBYAC3, 4.0, 1, 2, 3, 4, 5, 6.0, Format.byteArray);
      assertEquals(f1.computeDuration(0), f0.computeDuration(0));
      assertEquals(f1.computeDuration(1), f0.computeDuration(1));
      assertEquals(f1.computeDuration(1000), f0.computeDuration(1000));
      compare(f1, 0);
      compare(f1, 1);
      compare(f1, 1000);
  
    }
    
//    assertEquals(f0.computeDuration(0), 0L);
//    assertEquals(f0.computeDuration(1), 266,666,000L);
//    assertEquals(f0.computeDuration(1000), 266666666000L);
    // frameSizeInBits: AFFECTS - inversely
    {
      final AudioFormat f1 = new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 1, 2, 3, 4, 6, 6.0, Format.byteArray);
      assertEquals(f1.computeDuration(0), 0L);
      assertEquals(f1.computeDuration(1), 222222000L);
      assertEquals(f1.computeDuration(1000), 222222166000L);
      compare(f1, 0);
      compare(f1, 1);
      compare(f1, 1000);
      
    }
    
    // frameRate: AFFECTS - inversely
    {
      final AudioFormat f1 = new AudioFormat(AudioFormat.DOLBYAC3, 2.0, 1, 2, 3, 4, 5, 7.0, Format.byteArray);
      assertEquals(f1.computeDuration(0), 0L);
      assertEquals(f1.computeDuration(1), 228571000L);
      assertEquals(f1.computeDuration(1000), 228571428000L);
      compare(f1, 0);
      compare(f1, 1);
      compare(f1, 1000);
      
    }

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      final double frameRate = t.nextDouble(); 
      Class dataType = t.nextDataType(); 
      if (dataType == null)
        dataType = Format.byteArray;  // default
      
      return new AudioFormat(encoding, sampleRate,
          sampleSizeInBits, channels, endian, signed,
          frameSizeInBits, frameRate, dataType);
      
    }
    else if (VideoFormat.class.isAssignableFrom(formatClass))

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  }


  public DePacketizer()
  {
    super();
    this.inputFormats = new Format[] {new AudioFormat(AudioFormat.GSM_RTP, 8000, 8, 1, -1, AudioFormat.SIGNED, 264, -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(AudioFormat.GSM_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.GSM, inputCast.getSampleRate(), inputCast.getSampleSizeInBits(),
          inputCast.getChannels(), inputCast.getEndian(), inputCast.getSigned(), inputCast.getFrameSizeInBits(),
          inputCast.getFrameRate(), inputCast.getDataType());


      return new Format[] {result};
    }

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