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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
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--- 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
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+++ firefox-78.2.0/media/webrtc/trunk/webrtc/modules/video_capture/linux/device_info_linux.cc	2020-09-09 19:56:31.457712629 +0200
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@@ -385,11 +385,7 @@ bool DeviceInfoLinux::IsDeviceNameMatche
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 bool DeviceInfoLinux::IsVideoCaptureDevice(struct v4l2_capability* cap)
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 {
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-  if (cap->capabilities & V4L2_CAP_DEVICE_CAPS) {
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-    return cap->device_caps & V4L2_CAP_VIDEO_CAPTURE;
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-  } else {
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-    return cap->capabilities & V4L2_CAP_VIDEO_CAPTURE;
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-  }
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+  return false;
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 }
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 int32_t DeviceInfoLinux::FillCapabilities(int fd) {