[FFmpeg-user] mp4 files size problem

Carl Eugen Hoyos ceffmpeg at gmail.com
Thu Sep 7 17:09:27 EEST 2017

2017-09-07 15:57 GMT+02:00 Daniel <5960761 at gmail.com>:

> I have tried to convert some videos to mp4 format what has surprised me was
> the size of the videos, After the conversion some videos were 2,3,4 times
> bigger then the original wmv files. Here is the command i used to convert :
> /usr/local/bin/ffmpeg -i video500.wmv -c:a libfdk_aac -c:v nvenc_h264
> video500.mp4

Complete, uncut console output missing.

You did not specify a bitrate, so I assume you did not care about the
size of the output file, is that wrong?

What is the resulting file size if you encode with libx264?

Carl Eugen

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