具体报错内容如下，请问是什么原因呢？
(_ZN7android6Thread11_threadLoopEPv+140)
2020-07-17 09:32:13.664 29014-29128/? A/art: art/runtime/runtime.cc:422] native: #07 pc 0006706b /system/lib/libandroid_runtime.so (_ZN7android14AndroidRuntime15javaThreadShellEPv+82)
2020-07-17 09:32:13.664 29014-29128/? A/art: art/runtime/runtime.cc:422] native: #08 pc 00047a03 /system/lib/libc.so (_ZL15__pthread_startPv+22)
2020-07-17 09:32:13.664 29014-29128/? A/art: art/runtime/runtime.cc:422]
2020-07-17 09:32:13.665 29014-29128/? A/art: art/runtime/runtime.cc:422] | sysTid=29165 nice=-20 cgrp=default sched=0/0 handle=0x964cc920
2020-07-17 09:32:13.665 29014-29128/? A/art: art/runtime/runtime.cc:422] | state=S schedstat=( 4341092 4005625 58 ) utm=0 stm=0 core=2 HZ=100
2020-07-17 09:32:13.665 29014-29128/? A/art: art/runtime/runtime.cc:422] | stack=0x963d0000-0x963d2000 stackSize=1014KB
2020-07-17 09:32:13.666 29014-29128/? A/art: art/runtime/runtime.cc:427] native: #05 pc 000ca1f5 /system/lib/libart.so (_ZN3art11ScopedCheck10CheckArrayERNS_18ScopedObjectAccessEP7_jarray+124)
2020-07-17 09:32:13.666 29014-29128/? A/art: art/runtime/runtime.cc:427] native: #06 pc 000c985f /system/lib/libart.so (_ZN3art11ScopedCheck22CheckPossibleHeapValueERNS_18ScopedObjectAccessEcNS_12JniValueTypeE+74)
--------- beginning of crash
2020-07-17 09:32:13.666 29014-29128/? A/libc: Fatal signal 6 (SIGABRT), code -6 in tid 29128 (Thread-2)
2020-07-17 09:32:13.701 29014-29128/? A/libc: failed to resend signal during crash: Operation not permitted
实现代码为 前提已经 joinchannel 成功。
AgoraVideoFrame frame = new AgoraVideoFrame();
// frame.textureID = textureId;
frame.format = AgoraVideoFrame.FORMAT_I420;
// frame.transform = transform;
frame.stride = DEFAULT_CAPTURE_HEIGHT;
frame.height = DEFAULT_CAPTURE_WIDTH;
// frame.eglContext14 = mEglCore.getEGLContext();
frame.timeStamp = System.currentTimeMillis();
// frame.buf = bytesBitmap;
boolean pushResult = mRtcEngine.pushExternalVideoFrame(frame);
