[FFmpeg-user] How can I pipe ffmpeg listing?

[Carl Eugen Hoyos]

> Am 05.02.2020 um 05:17 schrieb Mark Filipak <markfilipak.windows+ffmpeg at gmail.com>:
> 
> ffmpeg -ss 2:00 -i g:\VIDEO_TS\VTS_02_2.VOB -filter:v idet -frames:v 900 -an -f rawvideo -y NUL pipe:1 | FINDSTR /L "Parsed_idet"
> doesn't work and produces this:
> [NULL @ 000002a346af4a80] Unable to find a suitable output format for 'pipe:1'
> pipe:1: Invalid argument

You have requested two output streams (“NUL” and “pipe:1”) but only described the first one.
Does it work if you remove “NUL”?

Carl Eugen