Examples of com.xuggle.xuggler.IStreamCoder

com.xuggle.xuggler.IStreamCoder
The work horse of the Xuggler: Takes {@link IPacket} data from an {@link IContainer} (representing an {@link IStream}) and an {@link ICodec} and allows you to decode or encode that data.

  }
  
  @Test
  public void testGetPropertyNames()
  {
    IStreamCoder coder = IStreamCoder.make(Direction.ENCODING, ICodec.ID.CODEC_ID_H263);
    Collection<String> properties = coder.getPropertyNames();
    assertTrue(properties.size() > 0);
    for(String name : properties)
    {
      String value = coder.getPropertyAsString(name);
      log.debug("{}={}", name, value);
    }
  }

View Full Code Here

  }
  
  @Test
  public void testGetAutomaticallyStampOutputStream()
  {
    IStreamCoder coder = IStreamCoder.make(Direction.ENCODING,
        ICodec.ID.CODEC_ID_FLV1);
    assertTrue(coder.getAutomaticallyStampPacketsForStream());
  }

View Full Code Here

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


    // and iterate through the streams to find the first video stream
    int videoStreamId = -1;
    IStreamCoder videoCoder = null;
    for(int i = 0; i < numStreams; i++)
    {
      // Find the stream object
      IStream stream = container.getStream(i);
      // Get the pre-configured decoder that can decode this stream;
      IStreamCoder coder = stream.getStreamCoder();


      if (coder.getCodecType() == ICodec.Type.CODEC_TYPE_VIDEO)
      {
        videoStreamId = i;
        videoCoder = coder;
        break;
      }

View Full Code Here


    IStream stream = establishStream(inputIndex, streamId, codec);
    
    // configre the stream coder


    IStreamCoder coder = stream.getStreamCoder();
    coder.setChannels(channelCount);
    coder.setSampleRate(sampleRate);
    coder.setSampleFormat(DEFAULT_SAMPLE_FORMAT);


    // add the stream to the media writer
    
    addStream(stream, inputIndex, stream.getIndex());

View Full Code Here


    IStream stream = establishStream(inputIndex, streamId, codec);
    
    // configre the stream coder


    IStreamCoder coder = stream.getStreamCoder();
    try
    {
      List<IRational> supportedFrameRates = codec.getSupportedVideoFrameRates();
      IRational timeBase = null;
      if (supportedFrameRates != null && supportedFrameRates.size() > 0)
      {
        IRational highestResolution = null;
        // If we have a list of supported frame rates, then
        // we must pick at least one of them.  and if the
        // user passed in a frameRate, it must match 
        // this list.
        for(IRational supportedRate: supportedFrameRates)
        {
          if (!IRational.positive(supportedRate))
            continue;
          if (highestResolution == null)
            highestResolution = supportedRate.copyReference();


          if (IRational.positive(frameRate))
          {
            if (supportedRate.compareTo(frameRate) == 0)
              // use this
              highestResolution = frameRate.copyReference();
          }
          else if (highestResolution.getDouble() < supportedRate.getDouble())
          {
            highestResolution.delete();
            highestResolution = supportedRate.copyReference();
          }
          supportedRate.delete();
        }
        // if we had a frame rate suggested, but we
        // didn't find a match among the supported elements,
        // throw an error.
        if (IRational.positive(frameRate) &&
            (highestResolution == null ||
                highestResolution.compareTo(frameRate) != 0))
          throw new UnsupportedOperationException("container does not"+
              " support encoding at given frame rate: " + frameRate);
        
        // if we got through the supported list and found NO valid
        // resolution, fail.
        if (highestResolution == null)
          throw new UnsupportedOperationException(
              "could not find supported frame rate for container: " +
              getUrl());
        if (timeBase == null)
          timeBase = IRational.make(highestResolution.getDenominator(),
              highestResolution.getNumerator());
        highestResolution.delete();
        highestResolution = null;
      }
      // if a positive frame rate was passed in, we
      // should either use the inverse of it, or if
      // there is a supported frame rate, but not
      // this, then throw an error.
      if (IRational.positive(frameRate) && timeBase == null)
      {
        timeBase = IRational.make(
            frameRate.getDenominator(),
            frameRate.getNumerator());
      }
      
      if (timeBase == null)
      {
        timeBase = getDefaultTimebase();
        
        // Finally MPEG4 has some code failing if the time base
        // is too aggressive...
        if (codec.getID() == ICodec.ID.CODEC_ID_MPEG4 &&
            timeBase.getDenominator() > ((1<<16)-1))
        {
          // this codec can't support that high of a frame rate
          timeBase.delete();
          timeBase = IRational.make(1,(1<<16)-1);
        }
      }
      coder.setTimeBase(timeBase);
      timeBase.delete();
      timeBase= null;


      coder.setWidth(width);
      coder.setHeight(height);
      coder.setPixelType(DEFAULT_PIXEL_TYPE);


      // add the stream to the media writer


      addStream(stream, inputIndex, stream.getIndex());
    }
    finally
    {
      coder.delete();
    }


    // return the new video stream


    return stream.getIndex();

View Full Code Here


    IStream stream = getStream(streamIndex);
    if (null == stream)
      return;


    IStreamCoder coder = stream.getStreamCoder();
    try
    {
      if (CODEC_TYPE_AUDIO != coder.getCodecType())
      {
        throw new IllegalArgumentException("stream[" + streamIndex + 
        "] is not audio");
      }


      // encode the audio


      // convert the samples into a packet


      for (int consumed = 0; consumed < samples.getNumSamples(); /* in loop */)
      {
        // encode audio


        IPacket packet = IPacket.make();
        try {
          int result = coder.encodeAudio(packet, samples, consumed); 
          if (result < 0)
            throw new RuntimeException("failed to encode audio");


          // update total consumed


          consumed += result;


          // if a complete packed was produced write it out


          if (packet.isComplete())
            writePacket(packet);
        } finally {
          if (packet != null)
            packet.delete();
        }
      }      // inform listeners


      super.onAudioSamples(new AudioSamplesEvent(this, samples,
          streamIndex));
    }
    finally
    {
      if (coder != null) coder.delete();
    }
  }

View Full Code Here


    IStream stream = getStream(streamIndex);
    if (null == stream)
      return;


    IStreamCoder coder = stream.getStreamCoder();
    try
    {
      if (IAudioSamples.Format.FMT_S16 != coder.getSampleFormat())
      {
        throw new IllegalArgumentException("stream[" + streamIndex
            + "] is not 16 bit audio");
      }


      // establish the number of samples


      long sampleCount = samples.length / coder.getChannels();


      // create the audio samples object and extract the internal buffer
      // as an array


      IAudioSamples audioFrame = IAudioSamples.make(sampleCount, coder
          .getChannels());


      /**
       * We allow people to pass in a null timeUnit for audio as
       * a signal that time stamps are unknown.  This is a common
       * case for audio data, and Xuggler should handle it if
       * we set a invalid time stamp on the audio.
       */
      final long timeStampMicro;
      if (timeUnit == null)
        timeStampMicro = Global.NO_PTS;
      else
        timeStampMicro = MICROSECONDS.convert(timeStamp, timeUnit);


      audioFrame.setComplete(true, sampleCount, coder.getSampleRate(), coder
          .getChannels(), coder.getSampleFormat(), timeStampMicro);


      audioFrame.put(samples, 0, 0, samples.length);
      encodeAudio(streamIndex, audioFrame);
    }
    finally
    {
      if (coder != null)
        coder.delete();
    }
  }

View Full Code Here

0 1 2 3 4 5 6

TOP

Related Classes of com.xuggle.xuggler.IStreamCoder

com.Music

com.totalchange.jizz.audio.xuggler.JizzXugglerTrackAudioReaderImpl

com.xuggle.mediatool.MediaReader

com.xuggle.mediatool.MediaViewer

com.xuggle.mediatool.MediaWriter

com.xuggle.mediatool.MediaWriterTest

com.xuggle.xuggler.Converter

com.xuggle.xuggler.demos.DecodeAndCaptureFrames

com.xuggle.xuggler.demos.DecodeAndPlayAudio

com.xuggle.xuggler.demos.DecodeAndPlayAudioAndVideo

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.