On Thu, Mar 14, 2024 at 12:04:47PM +0000, Ignjatović, Lazar (RS) wrote: > localaddr option now properly works with IPv6 addresses. Properly > resolved interface index in places where default 0 interface index is > used (marked with TODO: within udp.c). Added SO_BINDTODEVICE for mcast > sockets that are used for reading from the network. Need for this > arises from the fact that [ffx1::*] and [ffx2::*] mcast addresses need > to have a defined interface for binding to avoid ambiguity between > multiple link-local networks on the same host. Failing to set this > option causes errors on Linux systems for interface and link-local > scopes. > > For mcast addresses, bind to mcast address is attempted as before. > In case that this fails, which will happen on Windows, socket is bound > to INADDR_ANY/IN6ADDR_ANY_INIT depending on address family. Actual > interface selection is performed using udp_set_multicast_interface to > point to the desired interface for sending/listening. > > Utilization of sin6_scope_id field enables usage and adequate resolving > of IPv6 addresses that utilize zone index > (e.g. fe80::1ff:fe23:4567:890a%eth2) > This is not fully supported on Windows, thus relying on this field > is not done on Windows systems. > > Closes: #368 > > Signed-off-by: Lazar Ignjatovic <lazar.ignjato...@cubic.com> > --- > configure | 3 ++ > libavformat/ip.c | 45 ++++++++++++++++++++++++ > libavformat/ip.h | 6 ++++ > libavformat/network.h | 6 ++++ > libavformat/udp.c | 80 ++++++++++++++++++++++++++++++++++++++----- > 5 files changed, 132 insertions(+), 8 deletions(-)
breaks mingw64 build CC libavformat/ip.o src/libavformat/ip.c: In function ‘ff_ip_resolve_interface_index’: src/libavformat/ip.c:206:1: error: control reaches end of non-void function [-Werror=return-type] } ^ cc1: some warnings being treated as errors src/ffbuild/common.mak:81: recipe for target 'libavformat/ip.o' failed make: *** [libavformat/ip.o] Error 1 also configure produces ../configure: 6415: ../configure: network_extralibs+= -liphlpapi: not found [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB I have never wished to cater to the crowd; for what I know they do not approve, and what they approve I do not know. -- Epicurus
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