On Mon, May 25, 2015 at 1:51 PM, Rémi Denis-Courmont <[email protected]> wrote:
> Le 2015-05-25 14:44, Luca Barbato a écrit :
>>
>> On 25/05/15 13:37, Rémi Denis-Courmont wrote:
>>>
>>> How does that justify falling back to High when CBP is requested? And
>>> ditto for CHP since you brought it up.
>>
>>
>> Issuing an error and going out instead of a warning sounds better?
>
>
> IMHO, an encoder output:
> - MUST obey the requested constraints,
> - SHOULD leverage as many codec feature as the requested constraints permit.
>
> So you cannot upgrade CBP or CHP to HP.
>
> I presume that NVENC's BP is actually H264's CBP. It's very unlikely that
> the non-constrained features of BP would be used: the resulting output would
> not conform to MP/HP.
>

Easy enough to test, encode and check if it sets the constrained
flags, maybe the enum is just named badly.
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