Chromium's backtrace record

FFmpeg after processing the video stream, the upper WebRTC call error, you can see the WEBRTC call process:

BackTrace:
Webrtc::rtpfragmentationheader::copyfrom [0x5813cad2+18] (d:\workspace\chromium_build\src\third_party\webrtc\ modules\interface\module_common_types.h:283)
Webrtc::rtppacketizerh264::setpayloaddata [0x5813d4ed+29] (d:\workspace\chromium_build\src\third_party\webrtc\ modules\rtp_rtcp\source\rtp_format_h264.cc:172)
Webrtc::rtpsendervideo::sendvideo [0x581399ad+285] (d:\workspace\chromium_build\src\third_party\webrtc\modules\ rtp_rtcp\source\rtp_sender_video.cc:290)
Webrtc::rtpsender::sendoutgoingdata [0x58131251+689] (d:\workspace\chromium_build\src\third_party\webrtc\modules \rtp_rtcp\source\rtp_sender.cc:532)
Webrtc::modulertprtcpimpl::sendoutgoingdata [0x581204ea+154] (D:\WORKSPACE\CHROMIUM_BUILD\SRC\THIRD_PARTY\WEBRTC \modules\rtp_rtcp\source\rtp_rtcp_impl.cc:418)
WEBRTC::P ayloadrouter::routepayload [0x58152fc7+103] (d:\workspace\chromium_build\src\third_party\webrtc\video_ engine\payload_router.cc:74)
Webrtc::vieencoder::senddata [0x58150197+151] (d:\workspace\chromium_build\src\third_party\webrtc\video_engine\ vie_encoder.cc:694)
webrtc::vcmencodedframecallback::encoded [0x5815bd8f+159] (d:\workspace\chromium_build\src\third_party\webrtc\ modules\video_coding\main\source\generic_encoder.cc:320)
Webrtc::ffmpegencoder::encode [0x5816b595+2309] (d:\workspace\chromium_build\src\third_party\webrtc\modules\ video_coding\codecs\h264\ffmpeg_codec.cc:893)
Webrtc::vcmgenericencoder::encode [0x5815bca9+89] (d:\workspace\chromium_build\src\third_party\webrtc\modules\ video_coding\main\source\generic_encoder.cc:159)
Webrtc::vcm::videosender::addvideoframe [0x5815c496+486] (d:\workspace\chromium_build\src\third_party\webrtc\ modules\video_coding\main\source\video_sender.cc:351)
Webrtc::vieencoder::D eliverframe [0x5814f345+357] (d:\workspace\chromium_build\src\third_party\webrtc\video_ engine\vie_encoder.cc:580)
webrtc::internal::videocaptureinput::captureprocess [0x5814e7e6+182] (D:\workspace\chromium_build\src\third_ party\webrtc\video\video_capture_input.cc:149)
Webrtc::threadwindows::run [0x5802c12c+44] (d:\workspace\chromium_build\src\third_party\webrtc\system_wrappers\ SOURCE\THREAD_WIN.CC:100)
Webrtc::threadwindows::startthread [0x5802c1cb+11] (d:\workspace\chromium_build\src\third_party\webrtc\system_ WRAPPERS\SOURCE\THREAD_WIN.CC:51)
Basethreadinitthunk [0x7684336a+18]
Rtlinitializeexceptionchain [0x77b59882+99]
Rtlinitializeexceptionchain [0x77b59855+54]

Chromium's backtrace record