Anton Khirnov <[email protected]> writes:
> This WIP patch adds descriptors for codec ids, similar to what exists
> for pixel formats. They will allow us to export properties that are
> inherent to a codec, not its specific implementation. The users will
> also be able to access them even if no decoder or encoder is compiled
> in.
>
> E.g.:
>
> * name -- there is currently no way for the user to get a name of a
> codec without referring to a specific en/decoder. The point I'm not
> decided about is whether we should have two separate fields for
> name/long name or just one (equivalent to long name i suppose).
Having both could be useful for the same reasons we have both now.
> * type -- avcodec_get_type() is an ugly hack. This would allow to
> implement it cleanly.
>
> * various other properties, like intra only or reordering for
> video. I'm sure people will think of some other.
I like the idea. Some other things to include:
- supported picture sizes
- supported frame rates
- supported pixel formats (maybe)
- supported audio channel layouts
- etc
[...]
> + {
> + .id = AV_CODEC_ID_MPEG1VIDEO,
> + .type = AVMEDIA_TYPE_VIDEO,
> + .name = "MPEG1VIDEO",
> + },
I see how you generated this list, so I assume you intend to fix the
name field eventually.
--
Måns Rullgård
[email protected]
_______________________________________________
libav-devel mailing list
[email protected]
https://lists.libav.org/mailman/listinfo/libav-devel
