[FFmpeg-user] Best way to reduce video resolution from 1280x720 to 640x480

Wesley Wen delbin.wen at gmail.com
Fri Jan 30 04:33:00 CET 2015


It's not clear what actual output format you expect, but the simple FFmpeg
command looks like;
ffmpeg -i <your_input_file> -vf scale=640:480 <your_output_file>


On Fri Jan 30 2015 at 10:46:13 AM jd1008 <jd1008 at gmail.com> wrote:

> Input file is 3gp4 and was recorded at 30fps, 155k bitrate, at 1280x720
> resolution.
> I want to reduce it to 640x480.
> Thanx.
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