[FFmpeg-user] /dev/video1 :ioctl(VIDIOC_DQBUF): Operation not permitted when run ffmpeg

[Carl Eugen Hoyos]

Soho Soho123 <soho123.2012 <at> gmail.com> writes:

> but when I try to use another usb interface(same USB device) that
> support h264 format.
> the ffmpeg command is :
> fmpeg  -loglevel debug -f video4linux2 -r 10 -s 640x480 
> -input_format h264 -i /dev/video1 -vcodec copy 
> http://localhost:8090/feed1.ffm

Complete, uncut console output missing / please confirm 
that the problem also happens for file output.

Carl Eugen