Dear sirs at FFMPEG,

I need some help and I hope this email is the right way.

I am just a light user of ffmpeg.exe. My PC is based on a Intel Core I5, with 8 GB ram, SSD, Windows 11; I mainly use FFMPEG to adjust the audio level of my movies, that generally are mp4 files.

I use simple commands (BAT files) to launch the adjustment; as an example:

        ffmpeg -i input.mp4 -vcodec copy -af "volume=-6dB" output.mp4

The ffmpeg.exe I use is an executable of 108.45 GB, filedate 25 Oct 2021, ant it does the job at 65-70 frames per second, pretty fast.

But if I replace the ffmpeg.exe file with a more recent one, including the one released a few days ago (137.53 MB, filedate 30 Dec 2024), the speed goes down to 25-30 fps.

Is there a way to have the newer version working as fast as the old one ?

Thanks for your attention. Have my best regards and wishes for the new year.

Giovanni Della Valle (IBM retired), Rome, Italy.

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