[FFmpeg-devel] [PATCH] libavdevice: JACK demuxer

Reimar Döffinger Reimar.Doeffinger
Tue Mar 3 20:08:04 CET 2009

On Tue, Mar 03, 2009 at 07:36:37PM +0100, Olivier Guilyardi wrote:
> M_PI was undeclared even with <math.h>, apparently because of -std=c99.
> Including "avformat.h" fixed that. Anyway, pi is not used anymore.

Just FYI: M_PI in math.h would require e.g. BSD_SOURCE to be defined,
the right way is to include libavutil/mathematics.h

More information about the ffmpeg-devel mailing list