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- Mon May 20, 2019 10:50 am
- Forum: Usage
- Topic: when open second usb camera,an error occur
- Replies: 0
- Views: 935
When I open the second usb camera,a error occurs: [dshow @ 000001d844a45600] Could not run graph (sometimes caused by a device already in use by other application) my command: 1.ffplay -f dshow -i video="WKBB-180809" 2.ffplay -f dshow -i video="USB Camera" ffmpeg version: ffmpeg version N-93885-gc61...