Re: [FFmpeg-user] yuvtestsrc to y4m differs with and without format rgba->yuv444p conversion

2024-09-09 Thread Paul B Mahol
On Sun, Sep 8, 2024 at 8:07 PM Andrew Randrianasulu wrote: > On Sun, Sep 8, 2024 at 9:02 PM Paul B Mahol wrote: > > > > On Sun, Sep 8, 2024 at 7:49 AM Andrew Randrianasulu < > randrianas...@gmail.com> > > wrote: > > > > > git up to d9f594209fb1a

Re: [FFmpeg-user] yuvtestsrc to y4m differs with and without format rgba->yuv444p conversion

2024-09-08 Thread Paul B Mahol
On Sun, Sep 8, 2024 at 7:49 AM Andrew Randrianasulu wrote: > git up to d9f594209fb1a9c87017034f943dcb311a9d2896 > > first command > > > bash-5.1$ /dev/shm/ffmpeg/ffmpeg -f lavfi -i yuvtestsrc -frames 1 -r > 25 -vf format=rgba,format=yuv444p -color_range 1 > /dev/shm/yuv-mpeg-rgba-yuv444p.y4

Re: [FFmpeg-user] The future of video

2024-07-17 Thread Paul B Mahol
On Wed, Jul 17, 2024 at 10:16 PM Carl Zwanzig wrote: > On 7/17/2024 12:43 PM, Mark Filipak wrote: > >> frame; some projectors would use a three-blade shutter to get > >> supposedly smoother-looking motion. > > > Actually, z!, a double or triple shutter doesn't improve motion. It > > reduces/elimi

Re: [FFmpeg-user] v360 filter output eac resolution

2024-07-12 Thread Paul B Mahol
On Fri, Jul 12, 2024 at 4:04 AM Jimmie wrote: > Hi, > > I'm currently working on a project about Equi-Angular Cubemap (EAC). > > I need to sample an EAC texture but couldn't find one readily available. > After some googling, I found that FFmpeg could be used to convert > other 360 pictures to EAC

Re: [FFmpeg-user] Reordering frames in corrupt GoPro videos

2024-07-11 Thread Paul B Mahol
On Fri, Jul 12, 2024 at 12:43 AM Mark Filipak wrote: > On 11/07/2024 18.05, Vincent Deconinck wrote: > > Hi, > > > > A few months ago, my GoPro randomly started creating some corrupt (or > > partly-corrupt) video files, mixing up frames and causing jaggy > playback.To > > illustrate the case, her

Re: [FFmpeg-user] forced-idr -- 3 more tired

2024-07-10 Thread Paul B Mahol
On Wed, Jul 10, 2024 at 11:18 PM Mark Filipak wrote: > On 10/07/2024 13.51, Will Boba wrote: > > On 7/10/24 10:26, Mark Filipak wrote: > >> Three more tried. > >> > >> ffmpeg -forced-idr 1 -i ... -c:v libx264 -an -sn -start_at_zero > -muxdelay 0 ... > >> [in#0 @ 00542d00] Error opening in

Re: [FFmpeg-user] Noise generator for 360° video

2024-07-06 Thread Paul B Mahol
On Sat, Jul 6, 2024 at 10:54 AM Michael Koch wrote: > Am 06.07.2024 um 10:44 schrieb Paul B Mahol: > > On Sat, Jul 6, 2024 at 10:40 AM Michael Koch < > astroelectro...@t-online.de> > > wrote: > > > >> Does anybody have an idea how to make a noise gene

Re: [FFmpeg-user] Noise generator for 360° video

2024-07-06 Thread Paul B Mahol
On Sat, Jul 6, 2024 at 10:40 AM Michael Koch wrote: > Does anybody have an idea how to make a noise generator for 360° video? > I mean noise (clouds, waves) that looks similar in all directions of the > sphere. If I use the new "perlin" source for making an equirectangular > video, there are two

Re: [FFmpeg-user] green bar at bottom of video

2024-07-06 Thread Paul B Mahol
On Sat, Jul 6, 2024 at 9:23 AM Michael Koch wrote: > Hi, > > when I run this command, the output video has a green bar at the bottom > when played with VLC player. > But it plays fine with FFplay or PotPlayer . Is this a bug in FFmpeg or > in VLC? > VLC > > ffmpeg -f lavfi -i color=gray:size=6

Re: [FFmpeg-user] the trim filter

2024-07-05 Thread Paul B Mahol
On Fri, Jul 5, 2024 at 7:29 PM Mark Filipak wrote: > On 05/07/2024 07.54, Paul B Mahol wrote: > > On Fri, Jul 5, 2024 at 2:09 AM Mark Filipak > > wrote: > > > >> On 04/07/2024 17.12, Paul B Mahol wrote: > >>> Its in documentation: asetpts=N/SR/TB, ass

Re: [FFmpeg-user] the trim filter

2024-07-05 Thread Paul B Mahol
On Fri, Jul 5, 2024 at 2:09 AM Mark Filipak wrote: > On 04/07/2024 17.12, Paul B Mahol wrote: > > Its in documentation: asetpts=N/SR/TB, assuming everything starts from 0, > > so add it after each atrim. > > For both video & audio, >time_base=1/9 >star

Re: [FFmpeg-user] the trim filter

2024-07-04 Thread Paul B Mahol
> > > This is not a simple problem, eh? > > > > --Mark. > > > > On 04/07/2024 16.25, Mark Filipak wrote: > >> On 04/07/2024 14.22, Paul B Mahol wrote: > >>> On Thu, Jul 4, 2024 at 8:05 PM Mark Filipak < > markfilipak.i...@gmail.com> >

Re: [FFmpeg-user] the trim filter

2024-07-04 Thread Paul B Mahol
On Thu, Jul 4, 2024 at 10:44 PM Mark Filipak wrote: > On 04/07/2024 14.22, Paul B Mahol wrote: > > On Thu, Jul 4, 2024 at 8:05 PM Mark Filipak > > wrote: > > > >> Is there some secret to the trim filter? > >> > >> --filter_complex "split=

Re: [FFmpeg-user] the trim filter

2024-07-04 Thread Paul B Mahol
On Thu, Jul 4, 2024 at 8:05 PM Mark Filipak wrote: > Is there some secret to the trim filter? > > --filter_complex "split=2[i5][i6], > [i5]trim=start_frame=481:end_frame=134047[o5], > [i6]trim=start_frame=138745:end_frame=246719[o6], > [o5][o6]concat=n=2" > > I get "dup=481", instead, and w

Re: [FFmpeg-user] Convert audio to CSV

2024-07-03 Thread Paul B Mahol
On Wed, Jul 3, 2024 at 9:49 AM Michael Koch wrote: > Am 30.06.2024 um 15:11 schrieb Bouke / edit 'B: > > > > Pfff, what a work… > > I take it you only have to do this once? > > > > Why LibreOffice? (Seems like a sledgehammer, you can open a CSV with > ‘any’ simple text editor. > > > > And if you

Re: [FFmpeg-user] Question about delay when displaying selected keyframes

2024-07-02 Thread Paul B Mahol
On Tue, Jul 2, 2024 at 6:44 PM Sachin Bhat wrote: > I have combined the select filters using > select='eq(pict_type\,I)*not(mod(n\,300))', however, I receive the same > delay. I am wondering if the delay is caused by ffmpeg waiting for the > first keyframe after the seek point to start outputting

Re: [FFmpeg-user] Question about delay when displaying selected keyframes

2024-07-02 Thread Paul B Mahol
On Tue, Jul 2, 2024 at 5:21 PM Sachin Bhat wrote: > Hi, > > I have an input ts file that is at 30 fps, and a GOP of 10. I am trying to > display keyframes at a specific time interval by sending a keyframe plus > duplicates to a HW decoder until the next desired keyframe appears. .I am > using dup

Re: [FFmpeg-user] Resolve (was Re: key frame)

2024-06-30 Thread Paul B Mahol
On Sun, Jun 30, 2024 at 12:12 AM Mark Filipak wrote: > On 29/06/2024 17.52, Paul B Mahol wrote: > > On Sat, Jun 29, 2024 at 11:42 PM Mark Filipak < > markfilipak.i...@gmail.com> > > wrote: > > > If you listen only yourself and nobody else, you also are ignorant.

Re: [FFmpeg-user] Resolve (was Re: key frame)

2024-06-29 Thread Paul B Mahol
On Sat, Jun 29, 2024 at 11:42 PM Mark Filipak wrote: > On 29/06/2024 17.18, Oliver Fromme wrote: > > Mark Filipak wrote: > > > On 29/06/2024 16.28, Carl Zwanzig wrote: > > > > On 6/29/2024 12:56 PM, Mark Filipak wrote: > > > > > I did. That's why I decided not to use it. > > > > > > > >

Re: [FFmpeg-user] Resolve (was Re: key frame)

2024-06-29 Thread Paul B Mahol
On Sat, Jun 29, 2024 at 8:58 PM Carl Zwanzig wrote: > On 6/28/2024 4:07 PM, Mark Filipak wrote: > > I have to consider Blackmagic DaVinci Resolve to be a virus hub that is > > probably selling access to my system through those ports to outside > clients. > > You're welcome to consider it such, bu

Re: [FFmpeg-user] key frame

2024-06-27 Thread Paul B Mahol
On Fri, Jun 28, 2024 at 1:20 AM Richard Bartczak via ffmpeg-user < ffmpeg-user@ffmpeg.org> wrote: > > Am 28.06.24 um 00:52 schrieb Mark Filipak: > > On 27/06/2024 17.55, Richard Bartczak via ffmpeg-user wrote: > >> > >> Am 27.06.24 um 22:39 schrieb Mark Filipak: > >>> Hello All, > >>> > >>> I'm co

Re: [FFmpeg-user] Does atadenoise work with 10bit HDR video?

2024-06-27 Thread Paul B Mahol
On Thu, Jun 27, 2024 at 2:02 PM Oliver Fromme wrote: > Paul B Mahol wrote: > > On Wed, Jun 26, 2024 at 11:43 PM Oliver Fromme > wrote: > > > I'm using ffmpeg for a long time, but I've just recently started to > > > use it with 10bit HDR (HDR10) video.

Re: [FFmpeg-user] Does atadenoise work with 10bit HDR video?

2024-06-26 Thread Paul B Mahol
On Thu, Jun 27, 2024 at 8:45 AM Michael Koch wrote: > Am 26.06.2024 um 23:43 schrieb Oliver Fromme: > > Hi, > > > > I'm using ffmpeg for a long time, but I've just recently started to > > use it with 10bit HDR (HDR10) video. > > > > So far I found out how to re-encode HDR10 video with libx265 and

Re: [FFmpeg-user] Does atadenoise work with 10bit HDR video?

2024-06-26 Thread Paul B Mahol
On Wed, Jun 26, 2024 at 11:43 PM Oliver Fromme wrote: > Hi, > > I'm using ffmpeg for a long time, but I've just recently started to > use it with 10bit HDR (HDR10) video. > > So far I found out how to re-encode HDR10 video with libx265 and > retain the HDR metadata. It's a bit complicated, but i

Re: [FFmpeg-user] Does atadenoise work with 10bit HDR video?

2024-06-26 Thread Paul B Mahol
On Thu, Jun 27, 2024 at 12:26 AM Richard Bartczak via ffmpeg-user < ffmpeg-user@ffmpeg.org> wrote: > Am 26.06.24 um 23:43 schrieb Oliver Fromme: > > Hi, > > > > I'm using ffmpeg for a long time, but I've just recently started to > > use it with 10bit HDR (HDR10) video. > > > > So far I found out h

Re: [FFmpeg-user] I found the bugs

2024-06-25 Thread Paul B Mahol
On Tue, Jun 25, 2024 at 9:23 PM Mark Filipak wrote: > On 25/06/2024 15.17, Paul B Mahol wrote: > > On Tue, Jun 25, 2024 at 7:55 PM MacFH - C E Macfarlane - News < > > n...@macfh.co.uk> wrote: > > > >> On 25/06/2024 18:28, Paul B Mahol wrote: > >>

Re: [FFmpeg-user] I found the bugs

2024-06-25 Thread Paul B Mahol
On Tue, Jun 25, 2024 at 7:55 PM MacFH - C E Macfarlane - News < n...@macfh.co.uk> wrote: > On 25/06/2024 18:28, Paul B Mahol wrote: > > > > On Tue, Jun 25, 2024 at 6:57 PM Mark Filipak > > >> > >> VirusTotal reports that Google, Sophos, and Ikarus

Re: [FFmpeg-user] I found the bugs

2024-06-25 Thread Paul B Mahol
On Tue, Jun 25, 2024 at 6:57 PM Mark Filipak wrote: > On 25/06/2024 12.03, Paul B Mahol wrote: > > On Tue, Jun 25, 2024 at 5:49 PM Mark Filipak > > > wrote: > > > >> On 20/06/2024 03.30, Paul B Mahol wrote: > >>> On Wed, Jun 19, 2024 at 11:25 

Re: [FFmpeg-user] I found the bugs

2024-06-25 Thread Paul B Mahol
On Tue, Jun 25, 2024 at 5:49 PM Mark Filipak wrote: > On 20/06/2024 03.30, Paul B Mahol wrote: > > On Wed, Jun 19, 2024 at 11:25 PM Paul B Mahol wrote: > >> > >> https://www.jongbel.com/automated-validation/mpeg-2-video-validation/ > > > > Mark, did you t

Re: [FFmpeg-user] I found the bugs

2024-06-25 Thread Paul B Mahol
On Tue, Jun 25, 2024 at 5:52 PM Mark Filipak wrote: > https://trac.ffmpeg.org/ticket/11055#comment:173 > >Ticket_11055.m2ts plays correctly and completely by two players that do > not depend on FFmpeg. > >Ticket_11055.m2ts has 99 frames. All frames are listed correctly by > framecrc. > >

Re: [FFmpeg-user] visualize an audio waveform

2024-06-25 Thread Paul B Mahol
On Tue, Jun 25, 2024 at 9:39 AM Michael Koch wrote: > Am 25.06.2024 um 08:53 schrieb Paul B Mahol: > > On Tue, Jun 25, 2024 at 7:37 AM Michael Koch < > astroelectro...@t-online.de> > > wrote: > > > >> Are there any alternatives for visualizing an audio

Re: [FFmpeg-user] visualize an audio waveform

2024-06-24 Thread Paul B Mahol
On Tue, Jun 25, 2024 at 7:37 AM Michael Koch wrote: > Are there any alternatives for visualizing an audio waveform, like on an > oscilloscope? > No, use Librempeg instead. > The "showwaves" filter seems to be broken at the moment (ticket 11070). > "showwavespic" has a different output where yo

Re: [FFmpeg-user] Drawtext and filter_complex_script no longer work (At least not on OSx)

2024-06-21 Thread Paul B Mahol
On Fri, Jun 21, 2024 at 3:33 PM Bouke / edit 'B wrote: > On 21 Jun 2024, at 15:25, Paul B Mahol wrote: > > > > Newer ffmpeg version needs for drawtext filter libharfbuz lib support to > > get improved rendering. > > So why does that not show in the banner

Re: [FFmpeg-user] Drawtext and filter_complex_script no longer work (At least not on OSx)

2024-06-21 Thread Paul B Mahol
On Fri, Jun 21, 2024 at 2:59 PM Bouke / Videotoolshed < bo...@videotoolshed.com> wrote: > On 21 Jun 2024, at 13:51, Paul B Mahol wrote: > > > >> That was my idea as well, however, it is in the list published for > compile > >> options, and another (older, work

Re: [FFmpeg-user] Drawtext and filter_complex_script no longer work (At least not on OSx)

2024-06-21 Thread Paul B Mahol
On Fri, Jun 21, 2024 at 1:39 PM Bouke / edit 'B wrote: > > > On 21 Jun 2024, at 13:09, Paul B Mahol wrote: > > > > On Fri, Jun 21, 2024 at 12:28 PM Bouke / Videotoolshed < > > bo...@videotoolshed.com> wrote: > > > >> My version (from

Re: [FFmpeg-user] Drawtext and filter_complex_script no longer work (At least not on OSx)

2024-06-21 Thread Paul B Mahol
On Fri, Jun 21, 2024 at 12:28 PM Bouke / Videotoolshed < bo...@videotoolshed.com> wrote: > My version (from evermeet.cx) > ffmpeg version 6.1.1-tessus https://evermeet.cx/ffmpeg/ Copyright (c) > 2000-2023 the FFmpeg developers > built with Apple clang version 11.0.0 (clang-1100.0.33.17) > co

Re: [FFmpeg-user] I found the bugs

2024-06-20 Thread Paul B Mahol
On Wed, Jun 19, 2024 at 11:25 PM Paul B Mahol wrote: > > > On Wed, Jun 19, 2024 at 10:43 PM Mark Filipak > wrote: > >> On 19/06/2024 15.48, Jim DeLaHunt wrote: >> > On 2024-06-19 10:25, Paul B Mahol wrote: >> > >> >> It could be ffmpe

Re: [FFmpeg-user] I found the bugs

2024-06-19 Thread Paul B Mahol
On Wed, Jun 19, 2024 at 10:43 PM Mark Filipak wrote: > On 19/06/2024 15.48, Jim DeLaHunt wrote: > > On 2024-06-19 10:25, Paul B Mahol wrote: > > > >> It could be ffmpeg libavformat m2ts demuxer bug. Get the m2ts stream > >> inspector tool to confirm. > > &

Re: [FFmpeg-user] I found the bugs

2024-06-19 Thread Paul B Mahol
On Wed, Jun 19, 2024 at 10:59 PM MacFH - C E Macfarlane - News < n...@macfh.co.uk> wrote: > Apologies to Jim DeLaHunt for initially replying to him directly rather > than to the list as I had intended to do ... > > On 19/06/2024 20:48, Jim DeLaHunt wrote: > > > > On

Re: [FFmpeg-user] I found the bugs

2024-06-19 Thread Paul B Mahol
On Wed, Jun 19, 2024 at 9:22 PM Mark Filipak wrote: > On 19/06/2024 14.48, Paul B Mahol wrote: > > On Wed, Jun 19, 2024 at 7:43 PM Mark Filipak > > > wrote: > > > >> On 19/06/2024 13.25, Paul B Mahol wrote: > >> -snip- > >>> It could be ff

Re: [FFmpeg-user] I found the bugs

2024-06-19 Thread Paul B Mahol
On Wed, Jun 19, 2024 at 7:43 PM Mark Filipak wrote: > On 19/06/2024 13.25, Paul B Mahol wrote: > -snip- > > It could be ffmpeg libavformat m2ts demuxer bug. Get the m2ts stream > > inspector tool to confirm. > > Thank you, Paul. > > I searched "m2ts" &a

Re: [FFmpeg-user] I found the bugs

2024-06-19 Thread Paul B Mahol
On Wed, Jun 19, 2024 at 7:12 PM Mark Filipak wrote: > On 19/06/2024 13.07, Mark Filipak wrote: > > Correction of first file name, sorry, copy goof. > > > > On 19/06/2024 12.45, Paul B Mahol wrote: > >> ffmpeg -i Ticket_11055.m2ts -an -c copy -f framecrc broken.vid

Re: [FFmpeg-user] I found the bugs

2024-06-19 Thread Paul B Mahol
On Wed, Jun 19, 2024 at 6:27 PM Mark Filipak wrote: > On 19/06/2024 12.02, Rob Hallam wrote: > -snip- > > I can confirm I see a pause at "23%", though mpv reports it as > > 00:00:00 and then a seeming jump or fast increment through > > percentages. I would probably have to record the screen or so

Re: [FFmpeg-user] backgroundkey filter

2024-06-19 Thread Paul B Mahol
On Wed, Jun 19, 2024 at 6:15 PM 桃源老師 wrote: > Hello, > > > 2024/06/20 午前1:07、Paul B Mahol のメール: > > > > On Wed, Jun 19, 2024 at 6:00 PM 桃源老師 wrote: > > > >> Wrong: > >> > >> similarity:0.02 > >> > >> Correct: > &

Re: [FFmpeg-user] backgroundkey filter

2024-06-19 Thread Paul B Mahol
On Wed, Jun 19, 2024 at 6:00 PM 桃源老師 wrote: > Hello, > > > > 2024/06/19 午後7:03、Paul B Mahol のメール: > > > > Demo: > > > > ffmpeg -i https://media.xiph.org/video/derf/y4m/bowing_cif.y4m -vf > "backgroundkey=threshold=0.2:similarity:0.02[v];color=s=c

Re: [FFmpeg-user] I found the bugs

2024-06-19 Thread Paul B Mahol
On Wed, Jun 19, 2024 at 5:22 PM Mark Filipak wrote: > On 19/06/2024 10.01, Rob Hallam wrote: > > On Wed, 19 Jun 2024 at 14:23, Mark Filipak > wrote: > > > >> I think this may be a far ranging bug that affects '-ss' and that > provokes many of the > >> "non-monotonous DTS" error messages that see

Re: [FFmpeg-user] backgroundkey filter

2024-06-19 Thread Paul B Mahol
On Wed, Jun 19, 2024 at 1:54 AM Erik Beck wrote: > Hi all, > > I'm having conceptual issues using the backgroundkey filter. > > Is it intended to take a still image of a static background and remove > it from a video stream? If so, I could use help with the filter syntax. > If not, I need to be s

Re: [FFmpeg-user] I found the bugs

2024-06-17 Thread Paul B Mahol
On Tue, Jun 18, 2024 at 12:00 AM Mark Filipak wrote: > On 17/06/2024 17.18, Paul B Mahol wrote: > > On Mon, Jun 17, 2024 at 8:29 PM Mark Filipak > > > wrote: > > > >> On 17/06/2024 13.50, Paul B Mahol wrote: > >>> On Mon, Jun 17, 2024 at 5:35 P

Re: [FFmpeg-user] I found the bugs

2024-06-17 Thread Paul B Mahol
On Mon, Jun 17, 2024 at 8:29 PM Mark Filipak wrote: > On 17/06/2024 13.50, Paul B Mahol wrote: > > On Mon, Jun 17, 2024 at 5:35 PM Mark Filipak > > > wrote: > > > >> On 17/06/2024 03.16, Paul B Mahol wrote: > >>> On Mon, Jun 17, 2024 at 3:16 A

Re: [FFmpeg-user] I found the bugs

2024-06-17 Thread Paul B Mahol
On Mon, Jun 17, 2024 at 5:35 PM Mark Filipak wrote: > On 17/06/2024 03.16, Paul B Mahol wrote: > > On Mon, Jun 17, 2024 at 3:16 AM Mark Filipak > > > wrote: > > > >> To expand on my idea: > >> > >> The video is this: > >> I P B B P B

Re: [FFmpeg-user] I found the bugs

2024-06-17 Thread Paul B Mahol
On Mon, Jun 17, 2024 at 3:16 AM Mark Filipak wrote: > To expand on my idea: > > The video is this: > I P B B P B B P B B I P B B.. > I want to change it to this: > I B B P B B P B B P I B B P.. > If this is what I think it is, your are wasting your time. Its nonsense to change order of encoded

Re: [FFmpeg-user] I found the bugs

2024-06-16 Thread Paul B Mahol
oolshed.wetransfer.com/ > > > On 16 Jun 2024, at 18:02, Reindl Harald wrote: > > > > > > > > Am 16.06.24 um 15:54 schrieb Phil Rhodes via ffmpeg-user: > >> On Sunday 16 June 2024 at 13:56:33 BST, Paul B Mahol > wrote: > >> > >>> Do

Re: [FFmpeg-user] I found the bugs

2024-06-16 Thread Paul B Mahol
On Sun, Jun 16, 2024 at 1:51 PM Reindl Harald wrote: > > > Am 16.06.24 um 11:33 schrieb Binarus: > > Yes, I am also impatient sometimes. And yes, I also have been very > > disappointed by the FFMPEG community support; sometimes, I wasn't able > > to get even the simplest explanations for question

Re: [FFmpeg-user] I found the bugs

2024-06-16 Thread Paul B Mahol
On Sun, Jun 16, 2024 at 11:33 AM Binarus wrote: > I really have to kick in here, although I have no clue regarding the > internals of FFMPEG, and although 90% of it are a mystery to me, and > although I have to admit that I didn't get yet how to use it properly (and > probably never will get that

Re: [FFmpeg-user] I found the bugs

2024-06-16 Thread Paul B Mahol
On Sun, Jun 16, 2024 at 10:19 AM Mark Filipak wrote: > On 16/06/2024 03.51, Jim DeLaHunt wrote: > > On 2024-06-15 23:04, Mark Filipak wrote: > > > >> On 15/06/2024 23.39, Jim DeLaHunt wrote: > >>> On 2024-06-15 19:27, Mark Filipak wrote: > >>> > It would be nice if folks from here went here:

Re: [FFmpeg-user] I found the bugs

2024-06-15 Thread Paul B Mahol
On Sat, Jun 15, 2024 at 4:16 PM Carl Zwanzig wrote: > On 6/15/2024 1:30 AM, Paul B Mahol wrote: > > What you even mean with above unclear statements? > > Perhaps you might read the last 8-10 messages as Jim attempts to > decipher it. > > I was explicitly referring to r

Re: [FFmpeg-user] I found the bugs

2024-06-15 Thread Paul B Mahol
On Sat, Jun 15, 2024 at 5:13 AM Mark Filipak wrote: > While I'm thinking of it, I want to share something. My impression is that > FFmpegers think in > input-output terms. You might want to think in physical terms: What is > physically on the disk/in the > stream, instead. Yeah, yeah, I know ever

Re: [FFmpeg-user] I found the bugs

2024-06-11 Thread Paul B Mahol
On Tue, Jun 11, 2024 at 6:20 PM Mark Filipak wrote: > This is a spliced video. > > The Good: > VLC and PowerDVD play it flawlessly. The splice is technically perfect. > An MPEG-2 TS packet analyser says so. I trust what it says because what > it says matches my cuts and it matches what '-f framec

Re: [FFmpeg-user] Audio mapping and mixing

2024-06-09 Thread Paul B Mahol
On Sun, Jun 9, 2024 at 6:51 PM Media Mouth wrote: > Following up on an earlier post "amix vs amerge / how to" but now testing > on ffmpeg version 7.0.1 > > The overall goal here is to learn how (if possible) to take source files > with 10 - 20 audio channels and mixdown / assign those in various

Re: [FFmpeg-user] '-bsf setts=dts' has problems

2024-06-08 Thread Paul B Mahol
On Sat, Jun 8, 2024 at 5:51 PM Mark Filipak wrote: > On 08/06/2024 11.48, Paul B Mahol wrote: > > On Sat, Jun 8, 2024 at 5:07 PM Mark Filipak > > wrote: > > > >> On 08/06/2024 05.29, Paul B Mahol wrote: > >> > >>> It is evident

Re: [FFmpeg-user] '-bsf setts=dts' has problems

2024-06-08 Thread Paul B Mahol
On Sat, Jun 8, 2024 at 5:07 PM Mark Filipak wrote: > On 08/06/2024 05.29, Paul B Mahol wrote: > > > It is evident that you never looked at actual setts documentation. > > Don't be silly, Paul. > > Is there something wrong with this: > -bsf > noise=drop=

Re: [FFmpeg-user] '-bsf setts=dts' has problems

2024-06-08 Thread Paul B Mahol
On Sat, Jun 8, 2024 at 8:36 AM Mark Filipak wrote: > '-bsf setts=pts' seems to always work, but '-bsf setts=dts' has problems. > Look: > It is evident that you never looked at actual setts documentation. # ffmpeg -h bsf=setts ffmpeg version N-115950-g1f63f014ff Copyright (c) 2000-2024 the FFmpe

Re: [FFmpeg-user] Hello. Gurus. Regarding PNG image overlay with alpha transparency change

2024-06-07 Thread Paul B Mahol
On Fri, Jun 7, 2024 at 5:55 AM Lee Mitchell wrote: > Hi. > > What I know is alpha change for another video clip pon base video like as > "-filter_complex > "[1:v]geq=r='r(X,Y)':a='if(between(t,0,9),alpha(X,Y)*(T/9),0)'[alpha];" > which works very well as time goes by. > > But it is not working fo

Re: [FFmpeg-user] Is there a way to set 'closed_gop' in FFmpeg?

2024-06-05 Thread Paul B Mahol
On Wed, Jun 5, 2024 at 6:00 PM Mark Filipak wrote: > On 05/06/2024 09.44, Paul B Mahol wrote: > > > > What is OFFmpeg ? and how to use it? > > It is Object-FFmpeg. It is a fully video-object-oriented language, not > functions pasted into python. > > Objects ar

Re: [FFmpeg-user] Is there a way to set 'closed_gop' in FFmpeg?

2024-06-05 Thread Paul B Mahol
On Wed, Jun 5, 2024 at 3:47 AM Mark Filipak wrote: > For your reading pleasure, I've attached 'How To Make IDR Cuts.pdf'. > What is OFFmpeg ? and how to use it? > --Mark. > ___ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/

Re: [FFmpeg-user] Is there a way to set 'closed_gop' in FFmpeg?

2024-06-04 Thread Paul B Mahol
On Mon, Jun 3, 2024 at 7:19 PM Mark Filipak wrote: > With something a complicated as this stuff, I knew I would screw up > something. Correction: I fixed > the 'Commands used'. > > > Hey, > > My cuts are perfect, true IDR. The join is perfect, yet MPV stalls for > about 1/2 second and shows > one

Re: [FFmpeg-user] Feature improvement request for 'geq' filter to support functions

2024-06-03 Thread Paul B Mahol
On Mon, Jun 3, 2024 at 3:30 PM Lee Mitchell wrote: > Hi, Paul. > > First, thanks for the advice. > Erm..thing is that I totally don't understand what you are saying as dumb. > You mean, the expression should be... > [1:v]geq=r='r(X,Y)':a='if(between(t\,0\,9),alpha(X,Y),0)'[alpha]; ?? which > is n

Re: [FFmpeg-user] Question) Any way to change alpha for overlay while time goes by?

2024-06-03 Thread Paul B Mahol
On Mon, Jun 3, 2024 at 8:23 AM Lee Mitchell wrote: > Hi. > > There are RGBA support qtrle video clips that have no problem with alpha > support. > > I'd like to overlay a video on top of base one, and want to change the > transparency while playing > like > "[1:v]alpha='if(between(t,0,10),(1-(t/1

Re: [FFmpeg-user] Feature improvement request for 'geq' filter to support functions

2024-06-03 Thread Paul B Mahol
On Mon, Jun 3, 2024 at 8:18 AM Lee Mitchell wrote: > Hi. > > When I use filter_complex syntax below, I get an error that cannot proceed. > "-filter_complex > "[1:v]geq=r='r(X,Y)':a='if(between(t,0,9),alpha(X,Y),0)'[alpha];" > then > " Unknown function in 't,0,9),alpha(X,Y),0)'" > Seems geq filter

Re: [FFmpeg-user] BT-709 being mishandled?

2024-06-01 Thread Paul B Mahol
Where is sample? ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".

Re: [FFmpeg-user] Finding matching frames in a single video

2024-05-31 Thread Paul B Mahol
On Fri, May 31, 2024 at 6:48 PM Sean Grider via ffmpeg-user < ffmpeg-user@ffmpeg.org> wrote: > I'm trying to use ffmpeg to find timestamps of a video where a given > screenshot can be found. > > Let's say of 30m video, there's a title card at 00:07:00, so I extract > that frame as an image with: >

Re: [FFmpeg-user] Problems with old TV - Can I decode a new file and re-encode to an older version of a codec?

2024-05-31 Thread Paul B Mahol
On Fri, May 31, 2024 at 5:18 PM bbb wrote: > On 5/31/24 17:10, Reindl Harald wrote: > > > > > > Am 31.05.24 um 15:50 schrieb bbb: > >> On 5/31/24 15:16, Reindl Harald wrote: > >>> your command is very unspecific to begin with > >>> even profile is missing > >>> > >>> https://trac.ffmpeg.org/wiki/

Re: [FFmpeg-user] Problems with old TV - Can I decode a new file and re-encode to an older version of a codec?

2024-05-31 Thread Paul B Mahol
Compare encoder settings between files encoded with different versions. ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with sub

Re: [FFmpeg-user] Audio, loudnorm for videos

2024-05-31 Thread Paul B Mahol
Same can be done with ebur128 + volume, and several times faster. ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "

Re: [FFmpeg-user] ffmpeg wav lossless to youtube mov?

2024-05-23 Thread Paul B Mahol
On Fri, May 24, 2024 at 1:12 AM Zathras Yes wrote: > Hi, > > as i have mentioned to Mr. Reindl, the online-converter > https://www.freeconvert.com/wav-to-mov does the trick. > > ffmpeg should be able to do the same, I suppose. > May be, I am in error, may be not... > > 1. make a wav-files (16 Bi

Re: [FFmpeg-user] ffmepg mipi csi video cpature

2024-05-22 Thread Paul B Mahol
> -- > DE fbdev Linux framebuffer > D lavfi Libavfilter virtual input device > DE oss OSS (Open Sound System) playback > DE video4linux2,v4l2 Video4Linux2 output device > D x11grab X11 screen capture, using XCB > > On 22/05/24 12:38 pm, Paul

Re: [FFmpeg-user] ffmepg mipi csi video cpature

2024-05-21 Thread Paul B Mahol
what ffmpeg -devices show ?: ffmpeg -devices What is the full CLI command you use? On 22/05/24 12:22 pm, Paul B Mahol wrote: > > > > On Wed, May 22, 2024 at 6:34 AM Nikhil via ffmpeg-user < > ffmpeg-user@ffmpeg.org> wrote: > >> I need to capture mipi c

Re: [FFmpeg-user] ffmepg mipi csi video cpature

2024-05-21 Thread Paul B Mahol
On Wed, May 22, 2024 at 6:34 AM Nikhil via ffmpeg-user < ffmpeg-user@ffmpeg.org> wrote: > I need to capture mipi csi camera play, im facing the below errors > > > ffmpeg version n4.2.9-106-g1076d3[ 7169.409991] unknown > pixelformat:'YU12' 1485 Copyright (c) 2000-2023 the [ 7169.414184] > mx6s-csi

Re: [FFmpeg-user] Trying to use 'ebur128' results to set up 'loudnorm'

2024-05-21 Thread Paul B Mahol
On Tue, May 21, 2024 at 10:52 AM Mark Filipak wrote: > Attachments: > 1. original ebur128.jpg > 2. loudnorm-thresh=-85 pan ebur128.jpg > 3. what I want ebur128.jpg > > ___1. The original > has a 'shelf' just below LU = -13. That's soft speech. > The peak is at LU = +9. That's shouting. > So the t

Re: [FFmpeg-user] Using 'ebur128' results to set 'loudnorm=measured_thresh'

2024-05-21 Thread Paul B Mahol
On Tue, May 21, 2024 at 6:13 AM Mark Filipak wrote: > I've attached ebur128.jpg. It's only 37 k-bytes. > > Do you see that first 'shelf' just below LU = -13? I want to boost that > the most by percent, maybe > double the power (3 dB). I want to boost LU = 9 not at all, and I want to > boost every

Re: [FFmpeg-user] abitscope won't run

2024-05-21 Thread Paul B Mahol
On Tue, May 21, 2024 at 2:01 AM Mark Filipak wrote: > On 20/05/2024 14.09, Moritz Barsnick via ffmpeg-user wrote: > > On Mon, May 20, 2024 at 13:14:43 -0400, Mark Filipak wrote: > >> Doesn't work: > >> ffmpeg -i c:\source.mp4 -map 0 -af abitscope -c:v libx265 -x265-params > >> crf=18 -c:a ac3 -sn

Re: [FFmpeg-user] PNG-->GIF produces weird color aliasing?

2024-05-19 Thread Paul B Mahol
On Sun, May 19, 2024 at 7:02 PM Steven Kan wrote: > I have a series of 476 PNGs, exported from Excel in a loop through a > series of values to control the plotted range: > > https://www.kan.org/download/1.png > https://www.kan.org/download/2.png > https://www.kan.org/download/3.png > https://www.

Re: [FFmpeg-user] Alternative MP4 file extensions compatibility

2024-05-05 Thread Paul B Mahol
On Sun, May 5, 2024 at 11:30 AM Enrico Palmeri via ffmpeg-user < ffmpeg-user@ffmpeg.org> wrote: > Hi, I normallyuse Ffmpeg to cut and join AAC audio files with concat and > SS copy commands. These commands work with general mp4 file container > and .mp4 file extension only. Most of the mp4 files c

Re: [FFmpeg-user] Use processed filename as draw text after tmix, in one pass?

2024-04-24 Thread Paul B Mahol
On Thu, Apr 25, 2024 at 6:21 AM Steven Kan wrote: > > > Thanks! This works, and I agree that it’s better than using the filename: > > > > ffmpeg -pattern_type glob -i '*.jpg' -vf > "drawtext=text='%{metadata\\:DateTimeOriginal}': > fontfile=/System/Library/Fonts/Helvetica.ttc:fontcolor=white: fon

Re: [FFmpeg-user] '-show_frames' is broken

2024-04-03 Thread Paul B Mahol
On Wed, Apr 3, 2024 at 6:10 AM Mark Filipak wrote: > Dear Developers, > > Thank you for adding 'pkt_dts' and 'pict_type' to '-show_frames'. Those > will make things easier. > Now, could you fix it? > > '-show_frames' shows pts < dts. > > frames.frame.133975.pts=503957216 <-+ These are actual

Re: [FFmpeg-user] ffplay - no delay between playbacks when looping

2024-03-26 Thread Paul B Mahol
On Tue, Mar 26, 2024 at 10:07 AM Bouke / edit 'B wrote: > > > On 26 Mar 2024, at 09:57, computermaster360 > wrote: > > > > I want to loop a short wav sample, which is an 8-bar melody: > > > >ffplay -loop 0 sample.wav > > > > There is a small, but perceptible delay between individual playback

Re: [FFmpeg-user] Possible to speed up/down video while keeping audio pitch?

2024-03-24 Thread Paul B Mahol
On Mon, Mar 25, 2024 at 12:54 AM Laine Lee wrote: > > > > On Mar 24, 2024, at 5:31 PM, Bo Berglund wrote: > > > > I know how to use ffmpeg to adjust the video/audio sync and that is a > real > > simple command not requiring any remuxing or such. This is what I use in > my > > audiosync script a

Re: [FFmpeg-user] Loudnorm filter changes bit depth

2024-03-24 Thread Paul B Mahol
On Sun, Mar 24, 2024 at 10:58 AM Marc via ffmpeg-user < ffmpeg-user@ffmpeg.org> wrote: > I spent some time looking into options and came across this paper by the > authors of pyloudnorm. > There's also a section comparing a few different implementations of EBU > R 128. > > https://csteinmetz1.gith

Re: [FFmpeg-user] Loudnorm filter changes bit depth

2024-03-23 Thread Paul B Mahol
On Sat, Mar 23, 2024 at 8:01 PM Carl Zwanzig wrote: > On 3/23/2024 11:06 AM, Paul B Mahol wrote: > > loudnorm is low quality filter, do not use it. > > What do you suggest instead? > For dual-pass: ebur128(+true_peak on) + volume filter from numbers reported by ebur128

Re: [FFmpeg-user] Loudnorm filter changes bit depth

2024-03-23 Thread Paul B Mahol
loudnorm is low quality filter, do not use it. My attempts to rewrite it were rejected. ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ff

Re: [FFmpeg-user] Help to understand -ac 6 behaviour encoding ProRes to MP4 EAC3

2024-03-08 Thread Paul B Mahol
On Fri, Mar 8, 2024 at 12:48 PM Joanna White wrote: > Good morning, > > Here at the BFI National Archive I have MP4 transcode scripts which handle > many different AV source files, converting them into derivative access > copies, generally mapping two streams of audio to the MP4. Many source > fi

Re: [FFmpeg-user] firequalizer: What is multichannel evaluation?

2024-02-24 Thread Paul B Mahol
On Sat, Feb 24, 2024 at 9:48 PM Bernd Butscheidt via ffmpeg-user < ffmpeg-user@ffmpeg.org> wrote: > Hello, > > trying out some equalizer settings, I stepped over this part in the > documentation of ffmpeg describing the firequalizer filter: > > "multi > Enable multichannels evaluation on g

Re: [FFmpeg-user] Wave channel split is very slow

2024-02-24 Thread Paul B Mahol
On Sat, Feb 24, 2024 at 3:26 PM Bouke / Videotoolshed < bo...@videotoolshed.com> wrote: > On 24 Feb 2024, at 12:37, Paul B Mahol wrote: > > > > On Sat, Feb 24, 2024 at 11:33 AM Bouke / Videotoolshed < > > bo...@videotoolshed.com> wrote: > > > >>

Re: [FFmpeg-user] Wave channel split is very slow

2024-02-24 Thread Paul B Mahol
On Sat, Feb 24, 2024 at 11:33 AM Bouke / Videotoolshed < bo...@videotoolshed.com> wrote: > Trying to split a 64 channel 48Khz 24 bits Wave file. > That is VERY slow. > > ffmpeg -i /Volumes/Data/magweg/64channel.wav -filter_complex > "[0]pan=mono|c0=c0[tr0]" -c:a pcm_s24le -map "[tr0]" > /Volumes/D

Re: [FFmpeg-user] ffprobe can’t show ts file information

2024-02-22 Thread Paul B Mahol
On Thu, Feb 22, 2024 at 10:02 AM Nicolas Gaullier wrote: > >De : ffmpeg-user De la part de > Zhengrong Zang > >Envoyé : mercredi 21 février 2024 01:53 > >À : FFmpeg user questions > >Objet : Re: [FFmpeg-user] ffprobe can’t show ts file information > > > >I am not sure if they are corrupt, is th

Re: [FFmpeg-user] concat - C needs to go before B - How?

2024-02-21 Thread Paul B Mahol
On Wed, Feb 21, 2024 at 10:12 AM Mark Filipak wrote: > Gyan, Paul, Devin, Jim, anyone. Help! > > You folks have been following my trim+concat adventure. I think I may have > found the problem, not > just for me. It's a general problem. > > "N" signifies one frame time. All times are relative to p

Re: [FFmpeg-user] Packet corrupt on cut, notice on concat

2024-02-19 Thread Paul B Mahol
On Mon, Feb 19, 2024 at 6:47 PM Mark Filipak wrote: > On 19/02/2024 01.16, Greg Oliver wrote: > > I usually do not chime in on your emails where people flame you for > writing > > a book or being a troll because I usually learn something from the > > discussions. > > Hi Greg. I'm not writing a bo

Re: [FFmpeg-user] Packet corrupt on cut, notice on concat

2024-02-19 Thread Paul B Mahol
When trimming packets and later concatenating packets, ensure that no packets that are not trimmed from stream of packets and thus are still part of final file depend on any frame from any dropped/removed stream of packets for correct glitch-free decoding. Also ensure that there is no dangling pac

Re: [FFmpeg-user] How can I delete packets?

2024-02-14 Thread Paul B Mahol
On Wed, Feb 14, 2024 at 4:51 PM Mark Filipak wrote: > Can anyone suggest a way to delete the marked packets? > >0: video, 1: audio > / DTS PTSticksbytes packet_CRC > 1,2798640,2798640, 960, 60, 0xec16103f <== > : 48 more

Re: [FFmpeg-user] FFmpeg Architecture

2024-02-13 Thread Paul B Mahol
On Wed, Feb 14, 2024 at 3:11 AM Mark Filipak wrote: > On 13/02/2024 20.27, amindfv--- via ffmpeg-user wrote: > >>> params *before* "-i" are *input params* > >>> params *after* "-i" are *output params* > >>> > >>> that has *always* been the case at least for 15 years and so it's > >>> logical that

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