[FFmpeg-devel] [PATCH 2/3] lavf/tcp: add option to setting Maximum Segment Size

[Michael Niedermayer]

On Sun, May 06, 2018 at 11:12:13PM +0800, Jun Zhao wrote:
> This can change the the MSS value announced to the other end in
> the initial TCP packet, it's can be used when failed Path MTU
> discovery.
> 
> Signed-off-by: Jun Zhao <mypopydev at gmail.com>
> ---
>  libavformat/tcp.c | 5 +++++
>  1 file changed, 5 insertions(+)

breaks build on mingw64

CC	libavformat/tcp.o
src/libavformat/tcp.c: In function ‘tcp_open’:
src/libavformat/tcp.c:159:27: error: ‘TCP_MAXSEG’ undeclared (first use in this function)
         setsockopt (fd, IPPROTO_TCP, TCP_MAXSEG, &s->tcp_mss, sizeof (s->tcp_mss));
                           ^
src/libavformat/tcp.c:159:27: note: each undeclared identifier is reported only once for each function it appears in
make: *** [libavformat/tcp.o] Error 1
make: Target `all' not remade because of errors.

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

No great genius has ever existed without some touch of madness. -- Aristotle
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