Function 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 A negative error code on error, non negative otherwise. If LIBSWSCALE_VERSION_MAJOR < 7, returns -1 if not supported.