[英]Is there a way to sharescreen using WebRTC on Android
我已經為Android構建了webRTC,並且希望使用它來共享屏幕。 有沒有一種方法可以立即發送,也可以推送自己的幀流作為視頻源。
我在下面添加了一個示例,該示例顯示了如何將屏幕共享配置為視頻源並將其添加為流中的軌道。
獲取VideoCapturer
@TargetApi(21)
private VideoCapturer createScreenCapturer() {
if (mMediaProjectionPermissionResultCode != Activity.RESULT_OK) {
report("User didn't give permission to capture the screen.");
return null;
}
return new ScreenCapturerAndroid(
mMediaProjectionPermissionResultData, new MediaProjection.Callback() {
@Override
public void onStop() {
report("User revoked permission to capture the screen.");
}
});
}
初始化捕獲器並將軌道添加到本地媒體流
private void initScreenCapturStream() {
mLocalMediaStream = factory.createLocalMediaStream("ARDAMS");
MediaConstraints videoConstraints = new MediaConstraints();
videoConstraints.mandatory.add(new MediaConstraints.KeyValuePair("maxHeight", Integer.toString(mPeerConnParams.videoHeight)));
videoConstraints.mandatory.add(new MediaConstraints.KeyValuePair("maxWidth", Integer.toString(mPeerConnParams.videoWidth)));
videoConstraints.mandatory.add(new MediaConstraints.KeyValuePair("maxFrameRate", Integer.toString(mPeerConnParams.videoFps)));
videoConstraints.mandatory.add(new MediaConstraints.KeyValuePair("minFrameRate", Integer.toString(mPeerConnParams.videoFps)));
mVideoSource = factory.createVideoSource(videoCapturer);
videoCapturer.startCapture(mPeerConnParams.videoWidth, mPeerConnParams.videoHeight, mPeerConnParams.videoFps);
VideoTrack localVideoTrack = factory.createVideoTrack(VIDEO_TRACK_ID, mVideoSource);
localVideoTrack.setEnabled(true);
mLocalMediaStream.addTrack(factory.createVideoTrack("ARDAMSv0", mVideoSource));
AudioSource audioSource = factory.createAudioSource(new MediaConstraints());
mLocalMediaStream.addTrack(factory.createAudioTrack("ARDAMSa0", audioSource));
mListener.onStatusChanged("STREAMING");
}
有關更多信息,這可能是一個不錯的起點。 它是一個Android項目,該項目連接到ProjectRTC信令服務器,並將屏幕共享為視頻。 我發現它非常有幫助!
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