[FFmpeg-cvslog] r19787 - in trunk/libavcodec: aac.c aacenc.c ac3enc.c adpcm.c adxenc.c flacenc.c g726.c libfaac.c libgsm.c libmp3lame.c libopencore-amr.c libvorbis.c mpegaudioenc.c pcm-mpeg.c pcm.c roqaudioenc.c v...

Måns Rullgård mans
Sun Sep 6 18:27:11 CEST 2009

Reimar D?ffinger <Reimar.Doeffinger at gmx.de> writes:

> On Sun, Sep 06, 2009 at 04:58:13PM +0100, M?ns Rullg?rd wrote:
>> Reimar D?ffinger <Reimar.Doeffinger at gmx.de> writes:
>> > Apart from that, I am very unhappy about the way decoders, encoders,
>> > muxers etc. get registered currently, only due to the "next" pointer all
>> > of that has to stay in the .data section and making up about 100 kB and
>> > constantly growing...
>> Do you have a suggestion for a portable alternative?
> Well, not without breaking the API.
> But you can just use
> struct codec_list {
>     struct codec_list *next;
>     const AVCodec *codec;
> } first_codec;
> in principle. Admittedly this doubles the memory usage of the list
> itself and the operation AVCodec -> list position becomes expensive
> (that is one reason why I think it should/must involve breaking the
> API), but at least all the other stuff AVCodec stuff can stay in .rodata
> then.
> Or do you see an issue that I missed?

That's not really an improvement IMHO.

M?ns Rullg?rd
mans at mansr.com

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