[FFmpeg-user] Question on AVFoundation and importing from a DV-VCR

Carl Eugen Hoyos ceffmpeg at gmail.com
Fri Mar 27 19:26:10 EET 2020

Am Fr., 27. März 2020 um 05:33 Uhr schrieb Colin Bitterfield
<colin at bitterfield.com>:

> Using this command brings in a 12GB DVVIDEO files
> ffmpeg -hwaccel videotoolbox -hide_banner -benchmark_all -stats -loglevel error -f avfoundation -capture_raw_data true -pix_fmt 0rgb -i DV-VCR -t 600 -q 0  -c:v copy -c:a copy 'Test7.dv' -y

(q 0 looks superfluous and misguiding)

> The problem are:
> 1. The file is huge (Is there a way to auto split this with a scene detect filter?

You cannot use a filter when you want to "codec copy", re-encoding would
lead to significantly smaller files.

But you can use pipe output and cut the file, that should unproblematic
with dv files.

Carl Eugen

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