[FFmpeg-devel] [PATCH 1/2] avcodec: Add AV_CODEC_FLAG2_FAST_UNSAFE, move unsafe uses of FAST to it

[Lynne]

May 28, 2020, 17:20 by michael at niedermayer.cc:

> TODO: Bump
>
>  */
>  #define AV_CODEC_FLAG2_FAST           (1 <<  0)
> +
> +/**
> + * Allow speedups tricks which can read out of array on non compliant streams.
> + */
> +#define AV_CODEC_FLAG2_FAST_UNSAFE    (1 <<  1)
>

That's a bug. We should absolutely not have flags to enable bugs.
The fast flag should be removed from h264 until that bug is fixed,
or deprecated altogether.