[FFmpeg-devel] [PATCH] avcodec/libaomenc: Extract extradata directly if available

James Almer jamrial at gmail.com
Sat Sep 12 20:00:47 EEST 2020


On 9/12/2020 1:32 PM, Derek Buitenhuis wrote:
> On 12/09/2020 16:48, James Almer wrote:
>> No, see https://bugs.chromium.org/p/aomedia/issues/detail?id=2208
>>
>> aom_codec_get_global_headers() has a bug that hasn't been fixed. That's
>> why i haven't implemented it yet in our wrapper.
> 
> Even if fixed, shouldn't be still use the BSF anyway, since it could
> also add in other useful config OBUs like HDR metadata OBUs?

I'd expect aom_codec_get_global_headers() to return all OBUs that apply
to the entire coded stream, hence the name, so that should include
Metadata OBUs like HDR (but not frame specific ones like ITU-T 35).

But if it doesn't then yeah, we wouldn't be able to remove the extract
extradata bsf here.

> 
> - Derek
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