[FFmpeg-devel] [PATCH] Move ff_reverse to libavutil
Sun Nov 8 15:08:40 CET 2009
Michael Niedermayer <michaelni at gmx.at> writes:
> On Sat, Nov 07, 2009 at 09:44:21PM +0100, Reimar D?ffinger wrote:
>> On Sat, Nov 07, 2009 at 09:21:56PM +0100, Michael Niedermayer wrote:
>> > On Sat, Nov 07, 2009 at 08:48:49PM +0100, Reimar D?ffinger wrote:
>> > > Sorry if this is a bit confusing, this is basically carried over
>> > > from a MPlayer discussion I think.
>> > > The main question I'd say is whether ff_reverse should be moved to
>> > > libavutil and independently from that whether it should be made part
>> > > of the public API as av_reverse.
>> > what advantage is there in moving it into libavutil?
>> That MPlayer makes no effort to compiler without libavutil while
>> it was once supposed to work without libavcodec.
>> Not that I consider that really relevant, I suggested libavutil
>> without really thinking about it.
> Well, i dont mind moving it into lavutil if you think thats a good
>> > about making it public, if some projects wants to use it iam fine with
>> > that of course.
>> So renaming ff_reverse to av_reverse and put extern declaration in
>> avcodec.h? Or some other header?
Many CPUs have bit reversal instructions. We should probably use
those where possible if this is at all speed-critical.
mans at mansr.com
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