[vlc-devel] [PATCH 0/6] Map some of the missing avcodec IDs

[Daniel Verkamp]

On Sun, Jan 12, 2014 at 8:58 AM, Jean-Baptiste Kempf <jb at videolan.org> wrote:
> On 12 Jan, Daniel Verkamp wrote :
>> On Sat, Jan 11, 2014 at 3:27 AM, Jean-Baptiste Kempf <jb at videolan.org> wrote:
>> > On 10 Jan, Daniel Verkamp wrote :
>> >> For now, I'm just sending the ones that I got to that actually work;
>> >
[...]
>> > Did you try to force --no-avcodec-dr on those?
>>
>> I tried a few of the broken codecs with it now, but it seems to make
>> no difference. The majority of these are 8-bit palette video formats;
>> fixing that would allow a lot more codecs to work (even e.g. Smacker
>> video, which is already mapped but doesn't work due to using a
>> palette).
>
> Shouldn't it be simple to fix, by letting swscale module do the job?

That sounds reasonable, but I don't understand VLC's video pipeline
enough to implement that...

It seems like palette passing should be doable, since it works in some
cases (e.g. classic Windows clock.avi with palette works with VLC's
native AVI demux + avcodec msrle).

Thanks,
-- Daniel Verkamp