[FFmpeg-user] How to make CBR AAC

[Moritz Barsnick]

On Thu, Nov 03, 2016 at 16:46:01 +0100, Martin Vignali wrote:
> Is there a way, to force the aac encoder to add some "fill" in order to
> appear like a cbr bitrate (like X264 can do)

I can confirm your finding. Apparently, the native aac encoder doesn't
support true CBR (but does VBR or ABR instead).

I tried with libfdk_aac, and the results are according to what you are
trying to achieve. The Zeranoe build doesn't have libfdk_aac support
though.

Moritz