[FFmpeg-user] FFPlay w/ on screen audio level meter?

[Stefano Sabatini]

On date Wednesday 2015-02-04 14:50:36 +0800, Tze Chin Tang wrote:
> Hi - is it possible for FFPLAY to play out video while graphically
> displaying the audio volume? something like this: http://imgur.com/ZFI27pL

Since ffplay doesn't support -filter_complex (indeed it only reads a
single file), you need to use the movie source (-f lavfi movie=...)
and then use some Audio->Video filter to visualize the audio, like
ebur128.