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Ant Media Server supports RTMP, RTSP, MP4, HLS, WebRTC, Adaptive Streaming, etc.

There is a newer version: 2.12.0

/*
 *  Copyright 2013 The WebRTC project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

package org.webrtc;

/**
 * Java wrapper of native AndroidVideoTrackSource.
 */
public class VideoSource extends MediaSource {
  private long nativeFactory;

public VideoSource(long nativeSource, long nativeFactory) {
    super(nativeSource);
    this.nativeFactory = nativeFactory;
  }

  /**
   * Calling this function will cause frames to be scaled down to the requested resolution. Also,
   * frames will be cropped to match the requested aspect ratio, and frames will be dropped to match
   * the requested fps. The requested aspect ratio is orientation agnostic and will be adjusted to
   * maintain the input orientation, so it doesn't matter if e.g. 1280x720 or 720x1280 is requested.
   */
  public void adaptOutputFormat(int width, int height, int fps) {
    nativeAdaptOutputFormat(nativeSource, width, height, fps);
  }

  private static native void nativeAdaptOutputFormat(
      long nativeSource, int width, int height, int fps);
  
  public void writeFrame(byte[] data, int width, int height) {
	  nativeWriteVideoFrame(nativeFactory, data, width, height);
  }
  
  public void writeMockFrame(int width, int height) {
	  nativeWriteMockVideoFrame(nativeFactory, width, height);
  }
  
  private native void nativeWriteVideoFrame(long nativeFactory, byte[] data, int width, int height);
  
  private native void nativeWriteMockVideoFrame(long nativeFactory, int width, int height);
}