Re: [FFmpeg-user] Does "cat" degrade video quality?

2023-01-01 Thread Dan Harkless
On 1/1/2023 10:16 AM, pehache wrote: Le 03/12/2022 à 15:42, David Niklas a écrit : > On Fri, 2 Dec 2022 11:49:04 -0800 > Dan Harkless wrote: >> MakeMKV is in a semi-permanent Beta state, so you need to periodically >> download new license keys from: >> >>    

Re: [FFmpeg-user] Can v360 use cuda or GPU

2023-01-01 Thread Paul B Mahol
On Sun, Jan 1, 2023 at 10:35 PM Fritz Farnel wrote: > I found conflicting info on the web and couldn't understand the source. > > Does v360 utilize GPU (cuda) ? > v360 is cpu only filter. > > > My test with just adding '-hwaccel cuda' to a -filter_complex (hstack and > v360) chain does not

[FFmpeg-user] Can v360 use cuda or GPU

2023-01-01 Thread Fritz Farnel
I found conflicting info on the web and couldn't understand the source. Does v360 utilize GPU (cuda) ? My test with just adding '-hwaccel cuda' to a -filter_complex (hstack and v360) chain does not throw error and shows ffmpeg on GPU, but the speed is same as using CPU.

Re: [FFmpeg-user] Does "cat" degrade video quality?

2023-01-01 Thread Reindl Harald
Am 01.01.23 um 19:16 schrieb pehache: Couldn't I, or anyone else, just edit the license check code out then? Indeed yes in the case of a free software (but no in the case of MakeMKV) when the source code is available *you can* and the only thing you mustn't do is distiribute the results

Re: [FFmpeg-user] Does "cat" degrade video quality?

2023-01-01 Thread pehache
Le 03/12/2022 à 15:42, David Niklas a écrit : On Fri, 2 Dec 2022 11:49:04 -0800 Dan Harkless wrote: MakeMKV is in a semi-permanent Beta state, so you need to periodically download new license keys from:     https://forum.makemkv.com/forum/viewtopic.php?t=1053 but aside from that, it's

Re: [FFmpeg-user] Does "cat" degrade video quality?

2023-01-01 Thread pehache
Le 02/12/2022 à 13:36, MyCraigs List via ffmpeg-user a écrit : I'm running Debian 11. I use the command line "cat" to concatenate videos of all the same quality together.  All VOB files are cat'd together and none others.  The second bunch of videos I cat together are from a Sony video camera

[FFmpeg-user] Handling alternating stream title and similar metadata

2023-01-01 Thread Jarno Suni
Some audio streams may have StreamTitle metadata that will change from time to time. How do you record that changing information so that you can later show the title when the recording is being played? Are there some standard tags that can be used to denote e.g. current program name or current

Re: [FFmpeg-user] Meaning of duration

2023-01-01 Thread Jarno Suni
On Fri, Dec 30, 2022 at 6:54 PM Ferdi Scholten wrote: > Try using this together with -copyts > > -start_at_zero > > When used with copyts, shift input timestamps so they start at zero. I do not see what is the use of using -copyts, if that resets the timestamps anyway with -start_at_zero. I