Re: [FFmpeg-user] Decimation with ppsrc=1 malfunctions

2020-12-27 Thread Mark Filipak (ffmpeg)
On 12/27/2020 04:26 PM, Paul B Mahol wrote: On Sun, Dec 27, 2020 at 7:56 PM pdr0 wrote: pdr0 wrote I don't know if it's the full explanation... The way it should work is ppsrc should disable everything else , given if input src ,and ppsrc have the exact same timecodes In theory, you should

Re: [FFmpeg-user] Decimation with ppsrc=1 malfunctions

2020-12-27 Thread Paul B Mahol
On Sun, Dec 27, 2020 at 7:56 PM pdr0 wrote: > pdr0 wrote > > I don't know if it's the full explanation... > > > > The way it should work is ppsrc should disable everything else , given if > > input src ,and ppsrc have the exact same timecodes > > > > > > In theory, you should get same as -vf deci

Re: [FFmpeg-user] Decimation with ppsrc=1 malfunctions

2020-12-27 Thread Paul B Mahol
On Sun, Dec 27, 2020 at 7:53 PM Mark Filipak (ffmpeg) wrote: > On 12/27/2020 01:23 PM, Paul B Mahol wrote: > > On Sun, Dec 27, 2020 at 6:45 PM Mark Filipak (ffmpeg) < > markfili...@bog.us> > > wrote: > > > >> On 12/27/2020 06:19 AM, Paul B Mahol wrote: > >>> On Sun, Dec 27, 2020 at 5:00 AM Mark F

Re: [FFmpeg-user] Decimation with ppsrc=1 malfunctions

2020-12-27 Thread pdr0
pdr0 wrote > I don't know if it's the full explanation... > > The way it should work is ppsrc should disable everything else , given if > input src ,and ppsrc have the exact same timecodes > > > In theory, you should get same as -vf decimate on preprocessed.mkv > > ffmpeg -i preprocessed.mkv -v

Re: [FFmpeg-user] Decimation with ppsrc=1 malfunctions

2020-12-27 Thread Mark Filipak (ffmpeg)
On 12/27/2020 01:23 PM, Paul B Mahol wrote: On Sun, Dec 27, 2020 at 6:45 PM Mark Filipak (ffmpeg) wrote: On 12/27/2020 06:19 AM, Paul B Mahol wrote: On Sun, Dec 27, 2020 at 5:00 AM Mark Filipak (ffmpeg) < markfili...@bog.us> wrote: Decimation with ppsrc=1 malfunctions. Paul fixed this

Re: [FFmpeg-user] Decimation with ppsrc=1 malfunctions

2020-12-27 Thread pdr0
I don't know if it's the full explanation... The way it should work is ppsrc should disable everything else , given if input src ,and ppsrc have the exact same timecodes In theory, you should get same as -vf decimate on preprocessed.mkv ffmpeg -i preprocessed.mkv -vf decimate -c:v libx264 -crf

Re: [FFmpeg-user] Decimation with ppsrc=1 malfunctions

2020-12-27 Thread Paul B Mahol
On Sun, Dec 27, 2020 at 7:33 PM pdr0 wrote: > One issue is scene change is still active. When you crop to a region of > interest, a small change is effectively a larger % change. eg. The delta > between 1020 and 1021 is large when head is going up. If you disable scene > change, you get set inter

Re: [FFmpeg-user] Decimation with ppsrc=1 malfunctions

2020-12-27 Thread pdr0
One issue is scene change is still active. When you crop to a region of interest, a small change is effectively a larger % change. eg. The delta between 1020 and 1021 is large when head is going up. If you disable scene change, you get set intervals, it's no longer adaptive by scene change. -filt

Re: [FFmpeg-user] Decimation with ppsrc=1 malfunctions

2020-12-27 Thread Mark Filipak (ffmpeg)
On 12/27/2020 07:30 AM, Carl Eugen Hoyos wrote: Am 27.12.2020 um 12:19 schrieb Paul B Mahol : Do you know exact telecine pattern used in your samples? I don’t think the sample is telecined... It must have been. Now, bear with me. 1, The original video was p24: [A/a][B/b][C/c][D/d] 2, Later,

Re: [FFmpeg-user] Decimation with ppsrc=1 malfunctions

2020-12-27 Thread Paul B Mahol
On Sun, Dec 27, 2020 at 6:45 PM Mark Filipak (ffmpeg) wrote: > On 12/27/2020 06:19 AM, Paul B Mahol wrote: > > On Sun, Dec 27, 2020 at 5:00 AM Mark Filipak (ffmpeg) < > markfili...@bog.us> > > wrote: > > > >> Decimation with ppsrc=1 malfunctions. > > >> Paul fixed this somewhat, but it's still in

Re: [FFmpeg-user] Decimation with ppsrc=1 malfunctions

2020-12-27 Thread Mark Filipak (ffmpeg)
On 12/27/2020 06:19 AM, Paul B Mahol wrote: On Sun, Dec 27, 2020 at 5:00 AM Mark Filipak (ffmpeg) wrote: Decimation with ppsrc=1 malfunctions. Paul fixed this somewhat, but it's still in trouble. Since I eliminated threading and decimation as the cause, I suspect that frames numbers are bei

Re: [FFmpeg-user] Decimation with ppsrc=1 malfunctions

2020-12-27 Thread Carl Eugen Hoyos
> Am 27.12.2020 um 12:19 schrieb Paul B Mahol : > > Do you know exact telecine pattern used in your samples? I don’t think the sample is telecined, or at least whatever was done with it can’t be undone (even the description confirms this), so this part of the discussion seems moot. My suspic

Re: [FFmpeg-user] Decimation with ppsrc=1 malfunctions

2020-12-27 Thread Paul B Mahol
On Sun, Dec 27, 2020 at 5:00 AM Mark Filipak (ffmpeg) wrote: > Decimation with ppsrc=1 malfunctions. > > Paul fixed this somewhat, but it's still in trouble. > Since I eliminated threading and decimation as the cause, I suspect that > frames numbers are being > bollixed. > > The report package is

[FFmpeg-user] Decimation with ppsrc=1 malfunctions

2020-12-26 Thread Mark Filipak (ffmpeg)
Decimation with ppsrc=1 malfunctions. Paul fixed this somewhat, but it's still in trouble. Since I eliminated threading and decimation as the cause, I suspect that frames numbers are being bollixed. The report package is here: https://www.dropbox.com/t/zu4cezneCJIsdmUu Expires Jan 2, 2021. __