[FFmpeg-devel] [PATCH] ALS decoder

Reimar Döffinger Reimar.Doeffinger
Thu Aug 20 08:28:25 CEST 2009


On Thu, Aug 20, 2009 at 01:40:31AM +0100, M?ns Rullg?rd wrote:
> This is again a perfect trap for gcc.  64-bit maths in tight loops is
> something it is *really* bad at.

It is not really relevant to FFmpeg, but what gcc actually is horrible at is
calculations with variables larger than the native machine size.
16 bit operations on 8-bit CPUs are just as horrible...



More information about the ffmpeg-devel mailing list