Re: [FFmpeg-user] fieldmatch "marked as interlaced" -- doesn't work

2021-03-15 Thread Mark Filipak (ffmpeg)
On 2021-03-15 06:43, Paul B Mahol wrote: On Sun, Mar 14, 2021 at 11:18 PM Mark Filipak (ffmpeg) wrote: On 2021-03-14 10:47, Mark Filipak (ffmpeg) wrote: I hoped that "marked as interlaced" [1] meant that 'select=expr=not(eq(interlace_type\,TOPFIRST)+eq(interlace_type\,BOTTOMFIRST))' [2] Have

Re: [FFmpeg-user] Is ffmpeg's "Output Stream" framerate... wrong?

2021-03-15 Thread Gyan Doshi
On 2021-03-16 07:21, roninpawn wrote: I develop a Python application used to conduct official timing for speedrunning leaderboards based on automated video analysis. And I've caught a little oversight of my own that leads me to wonder if there isn't an oversight at the core of ffmpeg in the 'fp

Re: [FFmpeg-user] Recorded Frame Timestamps are Inconsistent! How to Fix it?

2021-03-15 Thread Mark Filipak (ffmpeg)
On 2021-03-15 13:43, Hassan wrote: Hello, I am using ffmpeg on a Windows 10 machine and I want to record the desktop at a high frame rate while appending accurate timestamps to each frame. I am recording my desktop using the following command: ffmpeg -f gdigrab -framerate 60 -i desktop -vf "set

[FFmpeg-user] Is ffmpeg's "Output Stream" framerate... wrong?

2021-03-15 Thread roninpawn
I develop a Python application used to conduct official timing for speedrunning leaderboards based on automated video analysis. And I've caught a little oversight of my own that leads me to wonder if there isn't an oversight at the core of ffmpeg in the 'fps' reported in the output stream. This re

Re: [FFmpeg-user] Recorded Frame Timestamps are Inconsistent! How to Fix it?

2021-03-15 Thread Marton Balint
On Mon, 15 Mar 2021, Hassan wrote: Hello, I am using ffmpeg on a Windows 10 machine and I want to record the desktop at a high frame rate while appending accurate timestamps to each frame. I am recording my desktop using the following command: ffmpeg -f gdigrab -framerate 60 -i desktop -vf "

Re: [FFmpeg-user] Recorded Frame Timestamps are Inconsistent! How to Fix it?

2021-03-15 Thread pdr0
Hassan wrote > Hello, > > I am using ffmpeg on a Windows 10 machine and I want to record the desktop > at a high frame rate while appending accurate timestamps to each frame. > I am recording my desktop using the following command: > > ffmpeg -f gdigrab -framerate 60 -i desktop -vf "settb=AVTB, >

[FFmpeg-user] Recorded Frame Timestamps are Inconsistent! How to Fix it?

2021-03-15 Thread Hassan
Hello, I am using ffmpeg on a Windows 10 machine and I want to record the desktop at a high frame rate while appending accurate timestamps to each frame. I am recording my desktop using the following command: ffmpeg -f gdigrab -framerate 60 -i desktop -vf "settb=AVTB, setpts='trunc(PTS/1K)*1K+st(

Re: [FFmpeg-user] I am a new ffmpeg user...

2021-03-15 Thread Bo Berglund
On Wed, 10 Mar 2021 21:30:20 -0500, Barry Smith wrote: >Can I get some hints on makimg Windows do some of the work that it was >built to do out-of-the-box? some standard environment variables to use >when executing? Something? For Windows 10: - Extract the files into *any* folder of your liking

Re: [FFmpeg-user] How to pipe png output from FFmpeg into cavif.

2021-03-15 Thread bat guano
From: ffmpeg-user on behalf of Carl Eugen Hoyos Sent: 15 March 2021 16:53 To: FFmpeg user questions Subject: [SOLVED] Re: [FFmpeg-user] How to pipe png output from FFmpeg into cavif. -f rawvideo -vcodec png - Excellent! Thanks for your help. :-) This is th

Re: [FFmpeg-user] How to pipe png output from FFmpeg into cavif.

2021-03-15 Thread Carl Eugen Hoyos
> Am 15.03.2021 um 16:17 schrieb bat guano : > > How do I make FFmpeg send it's png output to stdout? -f rawvideo -vcodec png - FFmpeg accepts such streams as input, other programs may fail. Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpe

[FFmpeg-user] How to pipe png output from FFmpeg into cavif.

2021-03-15 Thread bat guano
​Hi FFmpeg doesn't have ability to create avif image files (yet). I have used FFmpeg to re-size png files then convert them with cavif program. (Releases of cavif are here ---> https://github.com/kornelski/cavif-rs/releases) Like this... ffmpeg -i infile.png -vf scale="424:-1" temp.png; cavif --ou

Re: [FFmpeg-user] fieldmatch "marked as interlaced" -- doesn't work

2021-03-15 Thread Paul B Mahol
On Sun, Mar 14, 2021 at 11:18 PM Mark Filipak (ffmpeg) wrote: > On 2021-03-14 10:47, Mark Filipak (ffmpeg) wrote: > > I hoped that "marked as interlaced" [1] meant that > > > > > 'select=expr=not(eq(interlace_type\,TOPFIRST)+eq(interlace_type\,BOTTOMFIRST))' > [2] > > Have I made myself understoo