On Sat, Aug 10, 2024 at 1:22 AM Gyan Doshi <ffm...@gyani.pro> wrote:

>
> On 2024-08-10 11:04 am, William C Bonner wrote:
> > On Thu, Aug 8, 2024 at 6:27 PM <rectalo...@rectalogic.com> wrote:
> >
> >>> This seems that the new code speed up the reported fps without dropping
> >> any
> >>> frames.
> >> Looks like this was changed here
> >>
> https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/f121d954ac89060cb7b07da230479cffe5bf9e5c
> >>
> >>
> > If that's what changed, it obviously took a while for it to propagate to
> my
> > running machine. That commit was dated Wed, 27 Mar 2024.
> >
> > As the method I'm using has changed its behavior to a new behavior, the
> old
> > behavior still is documented on FFMPEG's pages, and the new behavior is
> > something I am not crazy about, Is there a way of getting the equivalent
> of
> > the old behavior with the new code?
>
> Add `-fps_mode passthrough`
>
> Regards,
> Gyan
>

 I just updated my local executable and it seems to have reverted to the
old process, which runs significantly faster and produces much smaller
output.

Here's an example of the command line I'm using:

C:\WINDOWS\ffmpeg.exe -hide_banner -f concat -safe 0 -i
C:\Users\Wim\AppData\Local\Temp\WimB59.tmp -vf
setpts=(1/60)*PTS,drawtext=fontfile=C\\:/WINDOWS/Fonts/consola.ttf:fontcolor=white:fontsize=80:y=main_h-text_h-50:x=50:text=WimsWorld
-an -map_metadata -1 -c:v libx265 -crf 23 -preset veryfast -movflags
+faststart -bf 2 -g 15 -pix_fmt yuv420p -n D:\ROAV\20250319-BMW.mp4

and the information on the executable I'm running:

ffmpeg version 2025-03-20-git-76f09ab647-full_build-www.gyan.dev Copyright
(c) 2000-2025 the FFmpeg developers
  built with gcc 14.2.0 (Rev1, Built by MSYS2 project)
  configuration: --enable-gpl --enable-version3 --enable-static
--disable-w32threads --disable-autodetect --enable-fontconfig
--enable-iconv --enable-gnutls --enable-lcms2 --enable-libxml2 --enable-gmp
--enable-bzlib --enable-lzma --enable-libsnappy --enable-zlib
--enable-librist --enable-libsrt --enable-libssh --enable-libzmq
--enable-avisynth --enable-libbluray --enable-libcaca --enable-libdvdnav
--enable-libdvdread --enable-sdl2 --enable-libaribb24
--enable-libaribcaption --enable-libdav1d --enable-libdavs2
--enable-libopenjpeg --enable-libquirc --enable-libuavs3d --enable-libxevd
--enable-libzvbi --enable-libqrencode --enable-librav1e --enable-libsvtav1
--enable-libvvenc --enable-libwebp --enable-libx264 --enable-libx265
--enable-libxavs2 --enable-libxeve --enable-libxvid --enable-libaom
--enable-libjxl --enable-libvpx --enable-mediafoundation --enable-libass
--enable-frei0r --enable-libfreetype --enable-libfribidi
--enable-libharfbuzz --enable-liblensfun --enable-libvidstab
--enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm
--enable-cuvid --enable-dxva2 --enable-d3d11va --enable-d3d12va
--enable-ffnvcodec --enable-libvpl --enable-nvdec --enable-nvenc
--enable-vaapi --enable-libshaderc --enable-vulkan --enable-libplacebo
--enable-opencl --enable-libcdio --enable-libgme --enable-libmodplug
--enable-libopenmpt --enable-libopencore-amrwb --enable-libmp3lame
--enable-libshine --enable-libtheora --enable-libtwolame
--enable-libvo-amrwbenc --enable-libcodec2 --enable-libilbc --enable-libgsm
--enable-liblc3 --enable-libopencore-amrnb --enable-libopus
--enable-libspeex --enable-libvorbis --enable-ladspa --enable-libbs2b
--enable-libflite --enable-libmysofa --enable-librubberband
--enable-libsoxr --enable-chromaprint
  libavutil      59. 60.100 / 59. 60.100
  libavcodec     61. 33.102 / 61. 33.102
  libavformat    61.  9.107 / 61.  9.107
  libavdevice    61.  4.100 / 61.  4.100
  libavfilter    10.  9.100 / 10.  9.100
  libswscale      8. 13.103 /  8. 13.103
  libswresample   5.  4.100 /  5.  4.100
  libpostproc    58.  4.100 / 58.  4.100
Universal media converter
usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options]
outfile}...
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