libx264 – Tarik Billa

webm to mp4 conversion using ffmpeg

December 20, 2022 by Tarik

As your input file report a strange frame rate value 1k fps coming from the tbs and tbr value (look here for their definition) the encoder generate a different result, 16k tbn, 1k tbc (default) So by calling : ffmpeg -fflags +genpts -i 1.webm -r 24 1.mp4 You configure ffmpeg to generate new pts (a.k.a … Read more

FFMPEG (libx264) “height not divisible by 2”

October 1, 2022 by Tarik

The answer to the original question should not scale the video but instead fix the height not divisible by 2 error. This can be achieve using this filter: -vf “pad=ceil(iw/2)*2:ceil(ih/2)*2” Full command: ffmpeg -i frame_%05d.jpg -vcodec libx264 \ -vf “pad=ceil(iw/2)*2:ceil(ih/2)*2” -r 24 \ -y -an video.mp4 Basically, .h264 needs even dimensions so this filter will: … Read more