[FFmpeg-devel] [PATCH] lavc/videotoolbox: Consistent fallback to external software encoding/decoding.

Thilo Borgmann thilo.borgmann at mail.de
Mon Mar 21 11:49:22 CET 2016


Am 21.03.16 um 11:41 schrieb wm4:
> On Mon, 21 Mar 2016 11:34:11 +0100
> Thilo Borgmann <thilo.borgmann at mail.de> wrote:
> 
>> Am 21.03.16 um 08:23 schrieb wm4:
>>> On Sun, 20 Mar 2016 16:49:18 +0100
>>> Thilo Borgmann <thilo.borgmann at mail.de> wrote:
>>>   
>>>> Hi,
>>>>
>>>> trying to handle software fallback more consistently for videotoolbox and
>>>> probably other hardware accelerations.
>>>>
>>>> Addresses ticket #5352 where software fallback is demanded which has been
>>>> removed on purpose before. With this patch the user can configure the desired
>>>> behaviour.
>>>>
>>>> -Thilo  
>>>
>>> Please explain how a hwaccel that uses no hardware decoding makes any
>>> sense at all.  
>>
>> Checking compliance, comparing output/performance, work around a possible bug in
>> an alternative decoder... of course it is no alternative if you need/want the
>> benefits of hardware decoding but there are use cases that come to mind.
>> And maybe you don't have an alternative decoder at hand...
> 
> But it's integrated as hwaccel, so most of these arguments don't make
> too much sense to me. Please don't touch the hwaccel thing, and wait
> until there's a separate videotolbox decoder.

Indeed, if this decoder is actually coming it voids the need for this change.

Have I missed it on -devel already?

-Thilo


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