diff -up firefox-78.2.0/media/webrtc/trunk/webrtc/modules/video_capture/linux/device_info_linux.cc.rhel6-kernel firefox-78.2.0/media/webrtc/trunk/webrtc/modules/video_capture/linux/device_info_linux.cc

--- firefox-78.2.0/media/webrtc/trunk/webrtc/modules/video_capture/linux/device_info_linux.cc.rhel6-kernel	2020-09-09 19:56:13.159597467 +0200

+++ firefox-78.2.0/media/webrtc/trunk/webrtc/modules/video_capture/linux/device_info_linux.cc	2020-09-09 19:56:31.457712629 +0200

@@ -385,11 +385,7 @@ bool DeviceInfoLinux::IsDeviceNameMatche

 bool DeviceInfoLinux::IsVideoCaptureDevice(struct v4l2_capability* cap)

 {

-  if (cap->capabilities & V4L2_CAP_DEVICE_CAPS) {

-    return cap->device_caps & V4L2_CAP_VIDEO_CAPTURE;

-  } else {

-    return cap->capabilities & V4L2_CAP_VIDEO_CAPTURE;

-  }

+  return false;

 }

 int32_t DeviceInfoLinux::FillCapabilities(int fd) {