[FFmpeg-user] Matroska Container, FFV1 Codec and GPU Encoding
Sebastian.Wilk at stud.hs-coburg.de
Thu Sep 14 13:51:53 EEST 2017
I am a bit puzzled about your last paragraph
>We just use a v210 capture ->FFv1 ffmpeg transcode with losslessness
>verification via framemd5 though.
Is there a specific reason(s) for the capture step at the beginning? To my understanding I could use Ffmpeg just like any other Encoder (Handbrake) to convert my files, or am I missing something?
Von: ffmpeg-user <ffmpeg-user-bounces at ffmpeg.org> im Auftrag von Kieran O Leary <kieran.o.leary at gmail.com>
Gesendet: Donnerstag, 14. September 2017 11:32
An: FFmpeg user questions
Betreff: Re: [FFmpeg-user] Matroska Container, FFV1 Codec and GPU Encoding
On Thu, Sep 14, 2017 at 10:19 AM, Wilk, Sebastian <
Sebastian.Wilk at stud.hs-coburg.de> wrote:
> Mkv and FFV1 seems to be one of the best options, due to being licensefree
> and lossless, as well as reasonably fast.
Yes, and every frame/slice has an embedded checksum if you use FFV1 version
3. This is particularly useful in an archival context, but even more so if
you capture directly to FFV1. You have checksums at the moment of the
creation. And there's a really active community of users as well.
The open license has led to a lot of creativity and a startling amount of
custom capture tools have been created around the codec, such as vrecord,
DVA-Profession, and two tools that were created via a large scale project
in University of Indiana: https://mdpi.iu.edu/doc/MDPIwhitepaper.pdf
We just use a v210 capture ->FFv1 ffmpeg transcode with losslessness
verification via framemd5 though.
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