| /* |
| * 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; |
| |
| import javax.annotation.Nullable; |
| |
| /** |
| * Java wrapper of native AndroidVideoTrackSource. |
| */ |
| public class VideoSource extends MediaSource { |
| private final NativeCapturerObserver capturerObserver; |
| |
| public VideoSource(long nativeSource) { |
| super(nativeSource); |
| this.capturerObserver = new NativeCapturerObserver(nativeGetInternalSource(nativeSource)); |
| } |
| |
| /** |
| * 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(getNativeVideoTrackSource(), width, height, fps); |
| } |
| |
| public CapturerObserver getCapturerObserver() { |
| return capturerObserver; |
| } |
| |
| /** Returns a pointer to webrtc::VideoTrackSourceInterface. */ |
| long getNativeVideoTrackSource() { |
| return getNativeMediaSource(); |
| } |
| |
| // Returns source->internal() from webrtc::VideoTrackSourceProxy. |
| private static native long nativeGetInternalSource(long source); |
| private static native void nativeAdaptOutputFormat(long source, int width, int height, int fps); |
| } |