blob: b545ab6ebf51eebcdd5c098ab986ddb21b33449c [file] [log] [blame]
/*
* Copyright 2015 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 androidx.annotation.Nullable;
import org.webrtc.MediaStreamTrack;
/** Java wrapper for a C++ RtpReceiverInterface. */
public class RtpReceiver {
/** Java wrapper for a C++ RtpReceiverObserverInterface*/
public static interface Observer {
// Called when the first audio or video packet is received.
@CalledByNative("Observer")
public void onFirstPacketReceived(MediaStreamTrack.MediaType media_type);
}
private long nativeRtpReceiver;
private long nativeObserver;
@Nullable private MediaStreamTrack cachedTrack;
@CalledByNative
public RtpReceiver(long nativeRtpReceiver) {
this.nativeRtpReceiver = nativeRtpReceiver;
long nativeTrack = nativeGetTrack(nativeRtpReceiver);
cachedTrack = MediaStreamTrack.createMediaStreamTrack(nativeTrack);
}
@Nullable
public MediaStreamTrack track() {
return cachedTrack;
}
public RtpParameters getParameters() {
checkRtpReceiverExists();
return nativeGetParameters(nativeRtpReceiver);
}
public String id() {
checkRtpReceiverExists();
return nativeGetId(nativeRtpReceiver);
}
/** Returns a pointer to webrtc::RtpReceiverInterface. */
long getNativeRtpReceiver() {
checkRtpReceiverExists();
return nativeRtpReceiver;
}
@CalledByNative
public void dispose() {
checkRtpReceiverExists();
cachedTrack.dispose();
if (nativeObserver != 0) {
nativeUnsetObserver(nativeRtpReceiver, nativeObserver);
nativeObserver = 0;
}
JniCommon.nativeReleaseRef(nativeRtpReceiver);
nativeRtpReceiver = 0;
}
public void SetObserver(Observer observer) {
checkRtpReceiverExists();
// Unset the existing one before setting a new one.
if (nativeObserver != 0) {
nativeUnsetObserver(nativeRtpReceiver, nativeObserver);
}
nativeObserver = nativeSetObserver(nativeRtpReceiver, observer);
}
public void setFrameDecryptor(FrameDecryptor frameDecryptor) {
checkRtpReceiverExists();
nativeSetFrameDecryptor(nativeRtpReceiver, frameDecryptor.getNativeFrameDecryptor());
}
private void checkRtpReceiverExists() {
if (nativeRtpReceiver == 0) {
throw new IllegalStateException("RtpReceiver has been disposed.");
}
}
// This should increment the reference count of the track.
// Will be released in dispose().
private static native long nativeGetTrack(long rtpReceiver);
private static native RtpParameters nativeGetParameters(long rtpReceiver);
private static native String nativeGetId(long rtpReceiver);
private static native long nativeSetObserver(long rtpReceiver, Observer observer);
private static native void nativeUnsetObserver(long rtpReceiver, long nativeObserver);
private static native void nativeSetFrameDecryptor(long rtpReceiver, long nativeFrameDecryptor);
}