Function av_hash_alloc

pub unsafe extern "C" fn av_hash_alloc(
    ctx: *mut *mut AVHashContext,
    name: *const i8,
) -> i32

Allocate a hash context for the algorithm specified by name.

@return >= 0 for success, a negative error code for failure

@note The context is not initialized after a call to this function; you must call av_hash_init() to do so.