| /* |
| * Copyright (c) 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 org.webrtc.VideoFrame; |
| |
| /** |
| * Used from native api and implements a simple VideoCapturer.CapturerObserver that feeds frames to |
| * a webrtc::jni::AndroidVideoTrackSource. |
| */ |
| class NativeCapturerObserver implements CapturerObserver { |
| private final NativeAndroidVideoTrackSource nativeAndroidVideoTrackSource; |
| |
| @CalledByNative |
| public NativeCapturerObserver(long nativeSource) { |
| this.nativeAndroidVideoTrackSource = new NativeAndroidVideoTrackSource(nativeSource); |
| } |
| |
| @Override |
| public void onCapturerStarted(boolean success) { |
| nativeAndroidVideoTrackSource.setState(success); |
| } |
| |
| @Override |
| public void onCapturerStopped() { |
| nativeAndroidVideoTrackSource.setState(/* isLive= */ false); |
| } |
| |
| @Override |
| public void onFrameCaptured(VideoFrame frame) { |
| final VideoProcessor.FrameAdaptationParameters parameters = |
| nativeAndroidVideoTrackSource.adaptFrame(frame); |
| if (parameters == null) { |
| // Drop frame. |
| return; |
| } |
| |
| final VideoFrame.Buffer adaptedBuffer = |
| frame.getBuffer().cropAndScale(parameters.cropX, parameters.cropY, parameters.cropWidth, |
| parameters.cropHeight, parameters.scaleWidth, parameters.scaleHeight); |
| nativeAndroidVideoTrackSource.onFrameCaptured( |
| new VideoFrame(adaptedBuffer, frame.getRotation(), parameters.timestampNs)); |
| adaptedBuffer.release(); |
| } |
| } |