[FFmpeg-user] Wanna to apply effect and play video at same time

[Carl Eugen Hoyos]

2018-09-11 22:02 GMT+02:00, Lou Logan <lou at lrcd.com>:
> On Tue, Sep 11, 2018, at 9:33 AM, shreyas vaghela wrote:
>> Wanna to apply effect and play video at same time, it is possible to do
>> same thing at one using Ffmpeg command line.
>
> You can use ffplay to apply effects and play at the same time:
>
> ffplay -vf negate,vflip input.foo

This is the usual way, output devices that display exist for FFmpeg,
for example the sdl device:
$ ffmpeg -re -i input -vf negate -f sdl -pix_fmt rgb24 0
(Without -re, ffmpeg will output the frames as fast as possible.)

Carl Eugen