Function rsmpeg::ffi::sws_getColorspaceDetails

pub unsafe extern "C" fn sws_getColorspaceDetails(
    c: *mut SwsContext, 
    inv_table: *mut *mut i32, 
    srcRange: *mut i32, 
    table: *mut *mut i32, 
    dstRange: *mut i32, 
    brightness: *mut i32, 
    contrast: *mut i32, 
    saturation: *mut i32
) -> i32

@return -1 if not supported