[FFmpeg-user] Any way to make this 2GB file any smaller?

Gilles codecomplete at free.fr
Fri Nov 15 12:42:14 CET 2013

On Fri, 15 Nov 2013 12:24:23 +0100, "Mike" <chronek at interia.eu> wrote:
> From  logs below i see you have 2.2GB with stream 720x576 h264 1743 bitrate
>and ac3 5.1 448 bitrate, what is your desire resolution, size? if you change
>only from ac3 5.1 to aac stereo 128 bitrate without changing video stream
>then you will change only from 2.2 to 1.9 GB, you can reencode video stream
>too , if you change to aac 128 and h264 900 bitrate then you can get like
>1.1 GB , if you want use lower bitrate i would sugest scale video or using
>slower algorithms for keeping quality

Thanks for the tips. Would this do?

-i input.mp4 
-c:v libx264
-b:v 900k
-s 640x360
-ac aac
-ab 128k
-preset slower

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