我正在android平台上开发webRTC。它与 libjingle 对等连接库和 planB 语义计划一起使用。但现在我从这里https://bintray.com/google/webrtc/google-webrtc用最新的 webRTC 版本更新 apprtc 代码。
我想了解如何获取远程视频，因为 onAddStream 没有在统一语义计划中调用。onAddStream 正在使用 planB 语义
我通过以下代码片段使用统一计划
PeerConnection.RTCConfiguration rtcConfig = new PeerConnection.RTCConfiguration(signalingParameters.iceServers);
rtcConfig.tcpCandidatePolicy = PeerConnection.TcpCandidatePolicy.DISABLED;
rtcConfig.bundlePolicy = PeerConnection.BundlePolicy.MAXBUNDLE;
rtcConfig.rtcpMuxPolicy = PeerConnection.RtcpMuxPolicy.REQUIRE;
rtcConfig.continualGatheringPolicy = PeerConnection.ContinualGatheringPolicy.GATHER_CONTINUALLY;
rtcConfig.keyType = PeerConnection.KeyType.ECDSA;
rtcConfig.enableDtlsSrtp = !peerConnectionParameters.loopback;
rtcConfig.sdpSemantics = PeerConnection.SdpSemantics.UNIFIED_PLAN;
PeerConnection peerConnection = factory.createPeerConnection(rtcConfig, pcObserver);
而且我还在对等连接上添加音轨和视频轨道
List<String> mediaStreamLabels = Collections.singletonList("ARDAMS");
peerConnection.addTrack(createVideoTrack(videoCapturer), mediaStreamLabels);
peerConnection.addTrack(createAudioTrack(), mediaStreamLabels);
但不知何故，我的应用程序崩溃了。所有回溯都如下
Build fingerprint: 'xiaomi/lavender/lavender:9/PKQ1.180904.001/V10.3.7.0.PFGINXM:user/release-keys'
2020-04-21 23:04:56.919 31427-31427/? A/DEBUG: Revision: '0'
2020-04-21 23:04:56.919 31427-31427/? A/DEBUG: ABI: 'arm64'
2020-04-21 23:04:56.919 31427-31427/? A/DEBUG: pid: 31294, tid: 31403, name: worker_thread - >>> org.appspot.apprtc <<<
2020-04-21 23:04:56.919 31427-31427/? A/DEBUG: signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x8c
2020-04-21 23:04:56.919 31427-31427/? A/DEBUG: Cause: null pointer dereference
2020-04-21 23:04:56.919 31427-31427/? A/DEBUG: x0 00000079959effd0 x1 00000079959effe8 x2 0000000000000000 x3 0000000000000003
2020-04-21 23:04:56.919 31427-31427/? A/DEBUG: x4 0000000000000080 x5 8000000000000000 x6 ff63646a6e756471 x7 7f7f7f7f7f7f7f7f
2020-04-21 23:04:56.919 31427-31427/? A/DEBUG: x8 0000000000000000 x9 83e2b5e6b5cd3627 x10 0000000000000000 x11 00000079959effe8
2020-04-21 23:04:56.919 31427-31427/? A/DEBUG: x12 00000000ffffffff x13 00000000ffffff80 x14 0000000000000500 x15 aaaaaaaaaaaaaaab
2020-04-21 23:04:56.919 31427-31427/? A/DEBUG: x16 00000079965aa068 x17 0000007a333926e0 x18 0000000000000010 x19 0000007994251c00
2020-04-21 23:04:56.919 31427-31427/? A/DEBUG: x20 0000000000000000 x21 0000007994251e58 x22 0000007997927f30 x23 00000079978565a8
2020-04-21 23:04:56.919 31427-31427/? A/DEBUG: x24 0000000000000000 x25 0000007994251cfc x26 0000007994251e40 x27 000000799699a800
2020-04-21 23:04:56.919 31427-31427/? A/DEBUG: x28 000000000a758072 x29 00000079959f0040
2020-04-21 23:04:56.919 31427-31427/? A/DEBUG: sp 00000079959effd0 lr 000000799644517c pc 0000007996445180
2020-04-21 23:04:56.921 31427-31427/? A/DEBUG: backtrace:
2020-04-21 23:04:56.921 31427-31427/? A/DEBUG: #00 pc 000000000053e180 /data/app/org.appspot.apprtc-zxKe2dBj5HFCdHK0GVM9xw==/lib/arm64/libjingle_peerconnection_so.so
2020-04-21 23:04:56.922 31427-31427/? A/DEBUG: #01 pc 000000000053d508 /data/app/org.appspot.apprtc-zxKe2dBj5HFCdHK0GVM9xw==/lib/arm64/libjingle_peerconnection_so.so
2020-04-21 23:04:56.922 31427-31427/? A/DEBUG: #02 pc 0000000000648b08 /data/app/org.appspot.apprtc-zxKe2dBj5HFCdHK0GVM9xw==/lib/arm64/libjingle_peerconnection_so.so
2020-04-21 23:04:56.922 31427-31427/? A/DEBUG: #03 pc 00000000006496c0 /data/app/org.appspot.apprtc-zxKe2dBj5HFCdHK0GVM9xw==/lib/arm64/libjingle_peerconnection_so.so
2020-04-21 23:04:56.922 31427-31427/? A/DEBUG: #04 pc 00000000002bdab4 /data/app/org.appspot.apprtc-zxKe2dBj5HFCdHK0GVM9xw==/lib/arm64/libjingle_peerconnection_so.so
2020-04-21 23:04:56.922 31427-31427/? A/DEBUG: #05 pc 00000000002cf438 /data/app/org.appspot.apprtc-zxKe2dBj5HFCdHK0GVM9xw==/lib/arm64/libjingle_peerconnection_so.so
2020-04-21 23:04:56.922 31427-31427/? A/DEBUG: #06 pc 00000000002bd2b8 /data/app/org.appspot.apprtc-zxKe2dBj5HFCdHK0GVM9xw==/lib/arm64/libjingle_peerconnection_so.so
2020-04-21 23:04:56.922 31427-31427/? A/DEBUG: #07 pc 00000000002cf118 /data/app/org.appspot.apprtc-zxKe2dBj5HFCdHK0GVM9xw==/lib/arm64/libjingle_peerconnection_so.so
2020-04-21 23:04:56.922 31427-31427/? A/DEBUG: #08 pc 00000000002cf024 /data/app/org.appspot.apprtc-zxKe2dBj5HFCdHK0GVM9xw==/lib/arm64/libjingle_peerconnection_so.so
2020-04-21 23:04:56.922 31427-31427/? A/DEBUG: #09 pc 0000000000090328 /system/lib64/libc.so (__pthread_start(void*)+36)
2020-04-21 23:04:56.922 31427-31427/? A/DEBUG: #10 pc 0000000000023a28 /system/lib64/libc.so (__start_thread+68)
2020-04-21 23:04:56.929 746-11398/? E/mm-camera: <STATS ><ERROR> 3012: stats_port_check_caps_reserve: Invalid Port capability type!
2020-04-21 23:04:56.929 746-11398/? E/mm-camera: <STATS ><ERROR> 3012: stats_port_check_caps_reserve: Invalid Port capability type!
2020-04-21 23:04:56.933 746-11398/? E/libc: Access denied finding property "ro.camera.req.fmq.size"
2020-04-21 23:04:56.933 746-11398/? E/libc: Access denied finding property "ro.camera.res.fmq.size"
2020-04-21 23:04:56.934 746-31437/? E/mm-camera: <SENSOR><ERROR> 251: module_sensor_offload_init_config: func_tbl for submodule 4 is NULL
2020-04-21 23:04:56.934 746-31437/? E/mm-camera: <SENSOR><ERROR> 253: module_sensor_offload_init_config: failed to get led off frame skip time
伙计们，我真的需要帮助来解决这个问题。
提前致谢。