> +2023-06-21 - xxxxxxxxxx - lavc 60.23.100 - libx264.c
> + Add mb_info option.
> Do we actually need the option? If the encoder's caller bothered with adding
> the side data, then I'd think it should always be used, otherwise why is it
> even there?
>I agree, I just thought I had to update that file as well, if that's not the
>case feel free to remove it.
>Best
>Elias
On a second thought, though, I think I misinterpreted your mail and I wrongly
thought you were referring only to the APIchanges file.
The thing is that libx264 expects a boolean value (b_mb_info) to be set to
check the mb_info.
So, yes, in principle I'd agree with you but I think we still need to tell it
in advance by setting the option because the encoder needs to track additional
statistics.
>From x264.h:
int b_mb_info; /* Use input mb_info data in
x264_picture_t */
and then subsequent uses both in frame.h and analyse.c check for the flag to be
set.
Further on, this flag doesn't seem to be updated by the
x264_encoder_reconfig(..) method, so the only possibility I see is setting it
in advance in the setup phase.
Best
Elias
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