Function stainless_ffmpeg_sys::av_buffer_pool_init2

pub unsafe extern "C" fn av_buffer_pool_init2(
    size: c_int, 
    opaque: *mut c_void, 
    alloc: Option<unsafe extern "C" fn(opaque: *mut c_void, size: c_int) -> *mut AVBufferRef>, 
    pool_free: Option<unsafe extern "C" fn(opaque: *mut c_void)>
) -> *mut AVBufferPool