安卓 视频通话自动挂断

A向B发起视频通话,A会在一段时间后自动挂断(时间不固定)。
因为要加美颜,所以视频数据是自己写得摄像头采集的,挂断时没有报错，请问是什么原因造成的挂断？
04-26 17:24:48.804 3483-3538/? D/ActivityTrigger: ActivityTrigger activityPauseTrigger
04-26 17:24:48.810 31069-31116/com.VideoCall.GuangShu D/ONE SDK: [2018/04/26 17:24:48:809]: [EMCallManager$RTC] rtc::: [rapi]++ stopCapture
04-26 17:24:48.810 31069-31116/com.VideoCall.GuangShu D/ONE SDK: [2018/04/26 17:24:48:810]: emcallmanager::updateCall
04-26 17:24:48.810 31069-31116/com.VideoCall.GuangShu D/ONE SDK: [2018/04/26 17:24:48:810]: emcallchannel::update pause video
04-26 17:24:48.811 31069-31116/com.VideoCall.GuangShu D/ONE SDK: [2018/04/26 17:24:48:811]: log: level: 1, area: 1, SEND:
                                                                 { verison : MSYNC_V1, compress_algorimth : 0, command : SYNC, encrypt_type : [ 0 ], payload : { meta : { id : 18932, to : 1120180108178348#yanliao_443890@easemob.com, ns : CONFERENCE, payload : { session_id : 42470121524734440987, operation : STREAM_CONTROL, peer_name : 4247012, route_flag : 1, route_key : --X--, content : {"callVersion":"2.0.0","sessId":"256107709024182272","rtcId":"Channel1524734440987","tsxId":"1524734688810-56"}, control_type : PAUSE_VIDEO } } } }
04-26 17:24:48.811 31069-31116/com.VideoCall.GuangShu D/ONE SDK: [2018/04/26 17:24:48:811]: log: level: 1, area: 1, SEND:
                                                                 { verison : MSYNC_V1, compress_algorimth : 0, command : SYNC, encrypt_type : [ 0 ], payload : { meta : { id : 19188, to : 1120180108178348#yanliao_443890@easemob.com, ns : CONFERENCE, payload : { session_id : 42470121524734440987, operation : MEDIA_REQUEST, peer_name : 4247012, route_flag : 1, route_key : --X--, content : {"op":400,"callVersion":"2.0.0","sessId":"256107709024182272","rtcId":"Channel1524734440987","tsxId":"1524734688810-56"}, control_type : PAUSE_VIDEO } } } }
04-26 17:24:48.812 31069-31069/com.VideoCall.GuangShu D/CrashReport: >>> com.VideoCall.GuangShu.im.ui.VideoCallActivity onPaused <<<
04-26 17:24:48.813 31069-11830/com.VideoCall.GuangShu D/AppTracker: App Event: stop
04-26 17:24:48.813 31069-31116/com.VideoCall.GuangShu D/ONE SDK: [2018/04/26 17:24:48:812]: [EMCallManager$RTC] [8975] VideoCapturerAndroid: Calling stopCapture() for already stopped camera.
04-26 17:24:48.815 31069-31116/com.VideoCall.GuangShu D/ONE SDK: [2018/04/26 17:24:48:814]: [EMCallManager$RTC] rtc::: [rapi]-- stopCapture
04-26 17:24:48.816 31069-31116/com.VideoCall.GuangShu D/ONE SDK: [2018/04/26 17:24:48:816]: [EMCallManager$RTC] [8958] OnIncomingFrame() called for closed capturer.
04-26 17:24:48.817 1593-23541/? I/QCamera: static void qcamera::QCamera2HardwareInterface::stop_preview(struct camera_device *): 434: [KPI Perf]: E PROFILE_STOP_PREVIEW camera id 1
04-26 17:24:48.818 1593-23541/? I/QCOM PowerHAL: Video Encode hint stop
04-26 17:24:48.818 1593-23541/? I/OneplusCamera: void qcamera::OneplusCamera::offlinePPWaitPendingDone(): E
04-26 17:24:48.818 1593-23541/? I/OneplusCamera: void qcamera::OneplusCamera::offlinePPWaitPendingDone(): X
04-26 17:24:48.818 1593-11180/? I/QCamera: int qcamera::QCamera2HardwareInterface::stopPreview(): 4006: E
04-26 17:24:48.826 1593-11180/? I/OneplusCamera: int32_t qcamera::OneplusCamera::stop(): E&X
04-26 17:24:48.826 1593-11180/? D/QCameraPostProc: int32_t qcamera::QCameraPostProcessor::stop(): E