-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 On 2015-05-06 19:18, jdd wrote:
Le 06/05/2015 19:04, Carlos E. R. a écrit :
Is it possible to tell it to use the same format, and don't recode? Recoding is lossy.
I don't think so (with kdenlive).
In fact clipping without recoding is more difficult than could seems at first.
* a video is usually not (the exception is motion jpeg) made of real images. Most video compressing algorithm record an image by only keeping the difference between two successive images. In case of static scene, it's very efficient.
Ah, yes. It makes sense doing so.
* from time to time (every 30 images, for example), a full image is kept, it's called "key frame".
It should be able to cut right at that frame, right?
Avidemux allows cutting where you want, on a keyframe or not, you get the result you ask for, it's sometime necessary to have frame accuracy (not always possible), but if you want the video to be readable, better use the "key frame stop" avidemux provide (the double arrows)
Yes, but avidemux often crashes or has other issues. But I was rather more interested in taking video pieces taken with a compact camera, and join all the pieces, maybe remove parts. kdenlive does this nicely. But I don't like doing it with a lossy process.
that said, the recode algorithms are very good and the loss minimal
Well, an option to click and choose "optimal recoding" would do. So that it chooses the right options to minimize them: size, codecs, frame rate, etc etc. - -- Cheers / Saludos, Carlos E. R. (from 13.1 x86_64 "Bottle" (Minas Tirith)) -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iF4EAREIAAYFAlVKjwkACgkQja8UbcUWM1y7mwD/RezgJqSnzgYw/4IbpHcMWnhj 5yK+s02scpqQ19YlyPwA/jsF0zjbhQAvsJaZMMsiAw75y9niZbfd4ZFbF3DKVNil =Tu9M -----END PGP SIGNATURE----- -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org To contact the owner, e-mail: opensuse+owner@opensuse.org