[FFmpeg-devel] [PATCH v2 00/16] Replace native DCA decoder with libdcadec based one

James Almer jamrial at gmail.com
Sat Jan 30 22:41:20 CET 2016

On 1/30/2016 6:15 PM, Hendrik Leppkes wrote:
> On Sat, Jan 30, 2016 at 7:05 PM, Hendrik Leppkes <h.leppkes at gmail.com> wrote:
>> On Sat, Jan 30, 2016 at 1:43 AM, Andreas Cadhalpun
>> <andreas.cadhalpun at googlemail.com> wrote:
>>> On 25.01.2016 23:47, Hendrik Leppkes wrote:
>>>> The decoder in itself looks fine to me, short of the regression michael found.
>>>> If you could look at that, that would be great.
>>>> I can squash and re-shuffle the commits appropriately for pushing and
>>>> make sure all intermediate steps still build, so don't worry about
>>>> that as much.
>>>> I would love to get this in soon, we can do further improvements and
>>>> more FATE coverage after.
>>> I agree that it's time to apply these patches. Resending this huge
>>> patch set for tiny improvements is just not practical.
>>>> There doesn't seem to be much agreement yet of the order of pushing.
>>>> I would argue that since we're replacing the decoder entirely anyway,
>>>> a tiny period in between where we don't actually have a dca decoder
>>>> wouldn't break any bisect flow, since it would probably end there
>>>> anyway.
>>>> So considering that, it feels cleaner to me to push the removal first,
>>>> and then the additions for the new decoder for "prettier" history.
>>> That seems fine to me, but I don't have a strong opinion about this.
>> I have started to rebase, update and squash it appropriately,
>> including the patch for Michaels issue I posted earlier.
>> Once its all ready for pushing, I'll post my GitHub link for a final
>> review if anyone wants to, and otherwise push it in the next day or
>> two, so we finally get this done.
> Here is the repository, rebased and partially squashed:
> https://github.com/Nevcairiel/FFmpeg/tree/dca
> All individual steps build and pass FATE, version bump and Changelog
> entry in the commit with the new decoder.

It doesn't really need a minor bump. It's not a "new" decoder that wasn't
available before. Just bump micro because of the avoption changes. This
change is completely transparent from an API PoV otherwise.

> - Hendrik

IMO, merge "avcodec/dca: add math helpers and fixed point DCT" into the
last patch. It's no different than the dsp patch you already squashed.

LGTM either way.

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