[FFmpeg-devel] [PATCH 1/9] lavu/opt: introduce av_opt_is_set_to_default()

[Lukasz Marek]

On 12.11.2014 09:03, Nicolas George wrote:
> Le primidi 21 brumaire, an CCXXIII, Lukasz Marek a écrit :
>> TODO: bump minor version, update doc/APIchanges
>>
>> New function allows to check if option is set to its default
>
> I am a bit uncomfortable with that API: this function does not test whether
> an option is set to its default but if an option is set to the same value as
> its default. That leaves a lot of room for bad use. If the user explicitly
> sets an option to a value, it should not be considered default, even if the
> value is the same as the default.

This is true, but I don't see any solution without extra flag for each 
option "instance". I can add a comment about it in docs.
BTW, You commented commit message, but in docs it has added "value" word 
at the end, which makes is more true.