AVCodec pointers should always be passed as const AVCodec*.
This also fixes a few other missing const qualifiers.
The remaining const warnings are trickier as they are mostly a product of how Cython generates its code.
AVCodec pointers should always be passed as const AVCodec*.
This also fixes a few other missing const qualifiers.
The remaining const warnings are trickier as they are mostly a product of how Cython generates its code.