Examples of com.xuggle.xuggler.TestAudioSamplesGenerator

com.xuggle.xuggler.TestAudioSamplesGenerator
This class generates fake audio data that is an A-note (a sine-wave at 440hz). @author aclarke

  @Before
  public void setUp()
  {
    mTestName = NameAwareTestClassRunner.getTestMethodName();
    log.debug("-----START----- {}", mTestName);
    mAudioGenerator = new TestAudioSamplesGenerator();
  }

View Full Code Here


    IAudioSamples samples = IAudioSamples.make(sampleCount, channelCount);


    // create the tone generator


    TestAudioSamplesGenerator generator = new TestAudioSamplesGenerator();
    generator.prepare(channelCount, sampleRate);


    // let's make some noise!


    int totalSamples = 0;
    while (totalSamples < sampleRate * totalSeconds)
    {
      generator.fillNextSamples(samples, sampleCount);
      writer.encodeAudio(audioStreamIndex, samples);
      totalSamples += samples.getNumSamples();
    }


    // close the writer

View Full Code Here


    IAudioSamples samples = IAudioSamples.make(sampleCount, channelCount);


    // create the tone generator


    TestAudioSamplesGenerator generator = new TestAudioSamplesGenerator();
    generator.prepare(channelCount, sampleRate);


    // let's make some noise!


    int totalSamples = 0;
    short[] javaSamples = new short[sampleCount*channelCount];
    while (totalSamples < sampleRate * totalSeconds)
    {
      generator.fillNextSamples(samples, sampleCount);
      samples.get(0, javaSamples, 0, javaSamples.length);
      writer.encodeAudio(streamIndex, javaSamples);
      totalSamples += samples.getNumSamples();
    }

View Full Code Here

    IAudioSamples samples = IAudioSamples.make(sampleCount, channelCount);
    IVideoPicture picture = IVideoPicture.make(IPixelFormat.Type.YUV420P, w, h);


    // create the tone generator


    TestAudioSamplesGenerator generator = new TestAudioSamplesGenerator();
    generator.prepare(channelCount, sampleRate);


    // make some media


    long videoTime = 0;
    long audioTime = 0;
    long totalSamples = 0;
    long totalSeconds = 6;


    // the goal is to get 6 seconds of audio and video, in this case
    // driven by audio, but kicking out a video frame at about the right
    // time


    while (totalSamples < sampleRate * totalSeconds)
    {
      // comput the time based on the number of samples


      audioTime = (totalSamples * 1000 * 1000) / sampleRate;


      // if the audioTime i>= videoTime then it's time for a video frame


      if (audioTime >= videoTime)
      {
        BufferedImage image = new BufferedImage(w, h, 
          BufferedImage.TYPE_3BYTE_BGR);
      
        Graphics2D g = image.createGraphics();
        g.setRenderingHint(
          RenderingHints.KEY_ANTIALIASING,
          RenderingHints.VALUE_ANTIALIAS_ON);


        double theta = videoTime / 1000000d;
        g.setColor(Color.RED);
        g.rotate(theta, w / 2, h / 2);
        
        g.fillRect(50, 50, 100, 100);
        
        picture.setPts(videoTime);
        writer.encodeVideo(videoStreamIndex, image, videoTime,
            Global.DEFAULT_TIME_UNIT);
      
        videoTime += deltaTime;
      }


      // generate audio
      
      generator.fillNextSamples(samples, sampleCount);
      writer.encodeAudio(audioStreamIndex, samples);
      totalSamples += samples.getNumSamples();
    }


    // close the writer

View Full Code Here


    IAudioSamples samples = IAudioSamples.make(sampleCount, channelCount);


    // create the tone generator


    TestAudioSamplesGenerator generator = new TestAudioSamplesGenerator();
    generator.prepare(channelCount, sampleRate);


    // write some data, so that the media header will be written


    generator.fillNextSamples(samples, sampleCount);
    writer.encodeAudio(audioStreamIndex, samples);


    // re-delete the output file so no broke media files persist after
    // the test
    
    file.delete();


    // now write some data on a different index


    generator.fillNextSamples(samples, sampleCount);
    writer.encodeAudio(audioStreamIndex+1, samples);


    // should no get here


    assert(false);

View Full Code Here


    IAudioSamples samples = IAudioSamples.make(sampleCount, channelCount);


    // create the tone generator


    TestAudioSamplesGenerator generator = new TestAudioSamplesGenerator();
    generator.prepare(channelCount, sampleRate);


    // write some data, so that the media header will be written


    generator.fillNextSamples(samples, sampleCount);
    writer.encodeAudio(audioStreamIndex, samples);


    // now write some data on a different index


    generator.fillNextSamples(samples, sampleCount);
    writer.encodeAudio(audioStreamIndex+1, samples);


    // delete the output file so no broke media files persist after the
    // test

View Full Code Here


    IAudioSamples samples = IAudioSamples.make(sampleCount, channelCount);


    // create the tone generator


    TestAudioSamplesGenerator generator = new TestAudioSamplesGenerator();
    generator.prepare(channelCount, sampleRate);


    // let's make some noise!


    int totalSamples = 0;
    while (totalSamples < sampleRate * totalSeconds)
    {
      generator.fillNextSamples(samples, sampleCount);
      writer.encodeAudio(audioStreamIndex, samples);
      totalSamples += samples.getNumSamples();
    }


    // close the writer

View Full Code Here


    IAudioSamples samples = IAudioSamples.make(sampleCount, channelCount);


    // create the tone generator


    TestAudioSamplesGenerator generator = new TestAudioSamplesGenerator();
    generator.prepare(channelCount, sampleRate);


    // let's make some noise!


    int totalSamples = 0;
    short[] javaSamples = new short[sampleCount*channelCount];
    while (totalSamples < sampleRate * totalSeconds)
    {
      generator.fillNextSamples(samples, sampleCount);
      samples.get(0, javaSamples, 0, javaSamples.length);
      writer.encodeAudio(streamIndex, javaSamples);
      totalSamples += samples.getNumSamples();
    }

View Full Code Here

    IAudioSamples samples = IAudioSamples.make(sampleCount, channelCount);
    IVideoPicture picture = IVideoPicture.make(IPixelFormat.Type.YUV420P, w, h);


    // create the tone generator


    TestAudioSamplesGenerator generator = new TestAudioSamplesGenerator();
    generator.prepare(channelCount, sampleRate);


    // make some media


    long videoTime = 0;
    long audioTime = 0;
    long totalSamples = 0;
    long totalSeconds = 6;


    // the goal is to get 6 seconds of audio and video, in this case
    // driven by audio, but kicking out a video frame at about the right
    // time


    while (totalSamples < sampleRate * totalSeconds)
    {
      // comput the time based on the number of samples


      audioTime = (totalSamples * 1000 * 1000) / sampleRate;


      // if the audioTime i>= videoTime then it's time for a video frame


      if (audioTime >= videoTime)
      {
        BufferedImage image = new BufferedImage(w, h, 
          BufferedImage.TYPE_3BYTE_BGR);
      
        Graphics2D g = image.createGraphics();
        g.setRenderingHint(
          RenderingHints.KEY_ANTIALIASING,
          RenderingHints.VALUE_ANTIALIAS_ON);


        double theta = videoTime / 1000000d;
        g.setColor(Color.RED);
        g.rotate(theta, w / 2, h / 2);
        
        g.fillRect(50, 50, 100, 100);
        
        picture.setPts(videoTime);
        writer.encodeVideo(videoStreamIndex, image, videoTime,
            Global.DEFAULT_TIME_UNIT);
      
        videoTime += deltaTime;
      }


      // generate audio
      
      generator.fillNextSamples(samples, sampleCount);
      writer.encodeAudio(audioStreamIndex, samples);
      totalSamples += samples.getNumSamples();
    }


    // close the writer

View Full Code Here


    IAudioSamples samples = IAudioSamples.make(sampleCount, channelCount);


    // create the tone generator


    TestAudioSamplesGenerator generator = new TestAudioSamplesGenerator();
    generator.prepare(channelCount, sampleRate);


    // write some data, so that the media header will be written


    generator.fillNextSamples(samples, sampleCount);
    writer.encodeAudio(audioStreamIndex, samples);


    // re-delete the output file so no broke media files persist after
    // the test
    
    file.delete();


    // now write some data on a different index


    generator.fillNextSamples(samples, sampleCount);
    writer.encodeAudio(audioStreamIndex+1, samples);


    // should no get here


    assert(false);

View Full Code Here

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