[FFmpeg-user] Problem converting to mp4 with exact video bit rate

Vikram Arora vikram.arora1985 at gmail.com
Wed Feb 14 08:16:47 EET 2018


Hi,

Thanks for the reply..
I tried removing crf attribute and it worked..

On Tue, Feb 13, 2018 at 7:46 PM, Carl Eugen Hoyos <ceffmpeg at gmail.com>
wrote:

> 2018-02-13 10:16 GMT+01:00 Vikram Arora <vikram.arora1985 at gmail.com>:
>
> > ffmpeg -i src_file.mp4 -y -ab "512k" -ac "2" -c:a "libfdk_aac"
> > -ar "44100" -c:v "libx264" -r "29.97"
>
> This does not look like a correct frame-rate, try "-r 30000/1001"
>
> > -b:v "512k" -minrate "512k" -maxrate "512k" -bufsize "512k"
>
> You will have to decide if you want constant bitrate ...
>
> > -crf "23" -threads 1 dest_file.mp4
>
> ... or constant quality.
>
> Carl Eugen
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-- 
*Thanks,*
*Vikram Arora*


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