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by jack123
Mon May 20, 2019 10:50 am
Forum: Usage
Topic: when open second usb camera,an error occur
Replies: 0
Views: 842

when open second usb camera,an error occur

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...
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