Function ffmpeg::ffi::sws_getCachedContext

pub unsafe extern "C" fn sws_getCachedContext(
    context: *mut SwsContext,
    srcW: c_int,
    srcH: c_int,
    srcFormat: c_int,
    dstW: c_int,
    dstH: c_int,
    dstFormat: c_int,
    flags: c_int,
    srcFilter: *mut SwsFilter,
    dstFilter: *mut SwsFilter,
    param: *const f64
) -> *mut SwsContext