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WebRTC M91-DSHOW-相机Jabra pana cast 50-绿屏问题修复


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又是一整夜。

Jabpanacast 50这种相机,在webrtc m91上,_mediaControl是不运行的,所以在暂停的情况下,下次停止运行可能没有反应,导致绿屏。

解决方法是先运行,或者暂停后运行,然后停止,运行。就是这样。

vfiuv2msgsl2699.png

顺便整理了一下DShow的工作流程。参考https://zhuanlan.zhihu.com/p/406261550

封装Com对象有几个概念,主要是把硬件和用户程序隔离开来。

捕获滤波器输出引脚

接收器滤波器输入引脚

_graphBuild负责将两个引脚连接在一起。

_mediaControl负责运行、暂停和停止摄像机。

xj3vnvcibgm2700.png

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