| /* |
| * 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; |
| |
| /** Java wrapper for a C++ RtpSenderInterface. */ |
| public class RtpSender { |
| final long nativeRtpSender; |
| |
| private MediaStreamTrack cachedTrack; |
| private boolean ownsTrack = true; |
| |
| public RtpSender(long nativeRtpSender) { |
| this.nativeRtpSender = nativeRtpSender; |
| long track = nativeGetTrack(nativeRtpSender); |
| // It may be possible for an RtpSender to be created without a track. |
| cachedTrack = (track == 0) ? null : new MediaStreamTrack(track); |
| } |
| |
| // If |takeOwnership| is true, the RtpSender takes ownership of the track |
| // from the caller, and will auto-dispose of it when no longer needed. |
| // |takeOwnership| should only be used if the caller owns the track; it is |
| // not appropriate when the track is owned by, for example, another RtpSender |
| // or a MediaStream. |
| public boolean setTrack(MediaStreamTrack track, boolean takeOwnership) { |
| if (!nativeSetTrack(nativeRtpSender, |
| (track == null) ? 0 : track.nativeTrack)) { |
| return false; |
| } |
| if (cachedTrack != null && ownsTrack) { |
| cachedTrack.dispose(); |
| } |
| cachedTrack = track; |
| ownsTrack = takeOwnership; |
| return true; |
| } |
| |
| public MediaStreamTrack track() { |
| return cachedTrack; |
| } |
| |
| public boolean setParameters(RtpParameters parameters) { |
| return nativeSetParameters(nativeRtpSender, parameters); |
| } |
| |
| public RtpParameters getParameters() { |
| return nativeGetParameters(nativeRtpSender); |
| } |
| |
| public String id() { |
| return nativeId(nativeRtpSender); |
| } |
| |
| public void dispose() { |
| if (cachedTrack != null && ownsTrack) { |
| cachedTrack.dispose(); |
| } |
| free(nativeRtpSender); |
| } |
| |
| private static native boolean nativeSetTrack(long nativeRtpSender, |
| long nativeTrack); |
| |
| // This should increment the reference count of the track. |
| // Will be released in dispose() or setTrack(). |
| private static native long nativeGetTrack(long nativeRtpSender); |
| |
| private static native boolean nativeSetParameters(long nativeRtpSender, |
| RtpParameters parameters); |
| |
| private static native RtpParameters nativeGetParameters(long nativeRtpSender); |
| |
| private static native String nativeId(long nativeRtpSender); |
| |
| private static native void free(long nativeRtpSender); |
| } |
| ; |