问iOS 视频录制开启画面预览就崩溃？

2019-10-17 18:55:11.206143+0800 CKMA[2350:958735] [E][tx_dr_base.cpp, RecvResponse, 319]:【DR】TCP timeout (4s): Proxy Drop Report

2019-10-17 18:55:11.206352+0800 CKMA[2350:958735] [D][tx_dr_api.cpp, txReportDAU, 119]:【DR】DAU report, eventid=1048, errCode=2400, token=E35B7D87-7631-4679-9C8F-3DDD1E6433B9

2019-10-17 18:55:11.206393+0800 CKMA[2350:958796] [I][tx_dr_thread.cpp, threadLoop, 482]:data report dump path:/private/var/mobile/Containers/Data/Application/FE3F6BD1-F375-44BB-8905-54DD44F33D99/Library/Caches/datareport

2019-10-17 18:55:11.206693+0800 CKMA[2350:958735] [E][tx_dr_base.cpp, RecvResponse, 319]:【DR】TCP timeout (4s): Proxy Drop Report

2019-10-17 18:55:11.206740+0800 CKMA[2350:958735] [D][tx_dr_api.cpp, txReportDAU, 119]:【DR】DAU report, eventid=1049, errCode=20, token=C991FC5E-0680-44CD-889C-F4D8D9F2E4FD

2019-10-17 18:55:11.206898+0800 CKMA[2350:958735] [E][tx_dr_base.cpp, RecvResponse, 319]:【DR】TCP timeout (4s): Proxy Drop Report

2019-10-17 18:55:11.206947+0800 CKMA[2350:958735] [D][tx_dr_api.cpp, txReportDAU, 119]:【DR】DAU report, eventid=1050, errCode=3, token=CA1DAB7D-24F5-4F4B-B969-9C2975B90C3D

2019-10-17 18:55:11.207100+0800 CKMA[2350:958735] [E][tx_dr_base.cpp, RecvResponse, 319]:【DR】TCP timeout (4s): Proxy Drop Report

2019-10-17 18:55:11.207145+0800 CKMA[2350:958735] [D][tx_dr_api.cpp, txReportDAU, 119]:【DR】DAU report, eventid=1045, errCode=0, token=D0103BFE-0369-494A-93CC-CDFA07790768

2019-10-17 18:55:11.207939+0800 CKMA[2350:958735] [MC] System group container for systemgroup.com.apple.configurationprofiles path is /private/var/containers/Shared/SystemGroup/systemgroup.com.apple.configurationprofiles

2019-10-17 18:55:11.208218+0800 CKMA[2350:958735] [MC] Reading from public effective user settings.

2019-10-17 18:55:11.250289+0800 CKMA[2350:958735] [I][TXCameraCapture.m, startPreview, 257]:AVMediaTypeVideo Authorized

2019-10-17 18:55:11.250752+0800 CKMA[2350:958735] [I][TXCCameraCapturer.m, init, 183]:TXCCameraCapturer init:0x108600aa0

2019-10-17 18:55:11.382318+0800 CKMA[2350:958784] [I][TXSign.mm, StartDownload_block_invoke_3, 693]:Finish download licence

2019-10-17 18:55:11.382555+0800 CKMA[2350:958784] [I][TXSign.mm, StartDownload_block_invoke_3, 699]:License Not modified

2019-10-17 18:55:11.382633+0800 CKMA[2350:958784] [I][TXSign.mm, StartDownload_block_invoke_3, 741]:Download licence successful with code: 304

2019-10-17 18:55:11.383544+0800 CKMA[2350:958784] [E][tx_dr_base.cpp, RecvResponse, 319]:【DR】TCP timeout (4s): Proxy Drop Report

2019-10-17 18:55:11.383667+0800 CKMA[2350:958784] [D][tx_dr_api.cpp, txReportDAU, 119]:【DR】DAU report, eventid=1016, errCode=0, token=45F77E01-496E-47B0-8242-75EF07BD27E4

2019-10-17 18:55:11.710956+0800 CKMA[2350:958735] [D][tx_dr_api.cpp, txReportDAU, 119]:【DR】DAU report, eventid=1201, errCode=0, token=EE90F2AE-A8B1-405C-8902-019899AF984A

2019-10-17 18:55:11.711955+0800 CKMA[2350:958735] [D][tx_dr_api.cpp, txReportDAU, 119]:【DR】DAU report, eventid=1202, errCode=0, token=06EBD2CA-4796-43A3-94BC-E70EBD3E9908

2019-10-17 18:55:11.713055+0800 CKMA[2350:958735] [D][tx_dr_api.cpp, txReportDAU, 119]:【DR】DAU report, eventid=1203, errCode=0, token=74A313FB-52D2-471B-9629-973FB9A6D82E

2019-10-17 18:55:11.715289+0800 CKMA[2350:958735] [I][TXCRenderView_iOS.m, setup, 239]:TXCRenderView init:0x10870ba20

2019-10-17 18:55:11.721323+0800 CKMA[2350:958735] [I][TXMicCapture.mm, startPreview, 167]:AVMediaTypeAudio Authorized

2019-10-17 18:55:11.759197+0800 CKMA[2350:958791] [I][TXCAudioRecorder.mm, setEnableAEC, 247]:AudioCenter: enable hard AEC to 0 when no record

2019-10-17 18:55:11.759247+0800 CKMA[2350:958788] Metal GPU Frame Capture Enabled

2019-10-17 18:55:11.760556+0800 CKMA[2350:958788] Metal API Validation Enabled

2019-10-17 18:55:12.130658+0800 CKMA[2350:958735] [I][TXCAudioRecorder.mm, setIsMute, 345]:AudioCenter: mute record [0]

2019-10-17 18:55:12.132384+0800 CKMA[2350:958735] [I][TXCAudioRecorder.mm, setIsMute, 345]:AudioCenter: mute record [0]

2019-10-17 18:55:12.132405+0800 CKMA[2350:958791] [I][TXCAudioRecorder.mm, setEnableAEC, 247]:AudioCenter: enable hard AEC to 1 when no record

2019-10-17 18:55:12.132823+0800 CKMA[2350:958791] [I][TXCAudioRecorder.mm, setEnableAEC, 252]:AudioCenter: enable hard AEC , so disable soft AEC

2019-10-17 18:55:12.133059+0800 CKMA[2350:958791] [I][TXCAudioRecorder.mm, setEnableSoftAEC, 263]:AudioCenter: enable soft AEC to 1 when no record

2019-10-17 18:55:12.133276+0800 CKMA[2350:958791] [I][TXCAudioRecorder.mm, setEnableSoftAEC, 265]:AudioCenter: ingore enable soft AEC to 1 when enable hard AEC

2019-10-17 18:55:12.134647+0800 CKMA[2350:958791] [I][TXCAudioCore.mm, startRecord, 960]:TXCAudioCore startRecord!

2019-10-17 18:55:12.134900+0800 CKMA[2350:958791] [I][TXCAudioCore.mm, stopAUGraph, 878]:TXCAudioCore stopAUGraph

2019-10-17 18:55:12.135294+0800 CKMA[2350:958791] [I][TXCAudioCore.mm, setupAudioSession, 563]:TXCAudioCore setupAudioSession mode 2

2019-10-17 18:55:12.135477+0800 CKMA[2350:958735] [D][tx_dr_api.cpp, txReportDAU, 119]:【DR】DAU report, eventid=1043, errCode=0, token=88E29E1C-755F-4530-AE80-204ED45364E2

2019-10-17 18:55:12.139919+0800 CKMA[2350:958791] [I][TXCAudioCore.mm, setupAudioSession, 581]:TXCAudioCore samplerate info, want 48000, preferred 48000, real 48000

2019-10-17 18:55:12.143595+0800 CKMA[2350:958791] [I][TXCAudioCore.mm, setupAudioSession, 599]:TXCAudioCore setupAudioSession end

2019-10-17 18:55:12.143710+0800 CKMA[2350:958791] [I][TXCAudioCore.mm, startAUGraph, 825]:TXCAudioCore startAUGraph

2019-10-17 18:55:12.144206+0800 CKMA[2350:958784] [I][TXCRenderView_iOS.m, layoutSubviews, 159]:TXCRenderView 0x10870ba20 layoutSubviews. size not changed! x:0.00, y:0.00, w:375.00, h:812.00

2019-10-17 18:55:12.144200+0800 CKMA[2350:958791] [I][TXCAudioCore.mm, createAUGraph, 646]:AudioCenter: TXCAudioCore hard AEC state 1

2019-10-17 18:55:12.144400+0800 CKMA[2350:958784] [I][TXCRenderView_iOS.m, layoutSubviews, 159]:TXCRenderView 0x10870ba20 layoutSubviews. size not changed! x:0.00, y:0.00, w:375.00, h:812.00

2019-10-17 18:55:12.166438+0800 CKMA[2350:958814] [I][TXCAudioRecorder.mm, setIsMute, 345]:AudioCenter: mute record [0]

2019-10-17 18:55:12.359494+0800 CKMA[2350:958735] [I][TXCAudioCore.mm, applicationDidBecomeActive, 1386]:TXCAudioCore applicationDidBecomeActive

2019-10-17 18:55:12.491015+0800 CKMA[2350:958828] [I][TXCAudioCore.mm, handleRouteChange, 1464]:AudioCenter: audio core route change with reason[4]

2019-10-17 18:55:12.561022+0800 CKMA[2350:958828] [I][TXCAudioCore.mm, handleRouteChange, 1464]:AudioCenter: audio core route change with reason[8]

2019-10-17 18:56:14.109275+0800 CKMA[2350:958796] [E][tx_dr_thread.cpp, threadLoop, 527]:【DR】Idle time > 60s Close TCP