networking - ffmpeg , 2 network cards and multicast stream -

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my knowledge of networks poor!!, newbie!! ;-)

i have small server streaming ffmpeg installed on nginx 2 network interfaces

p2p1 used wan provides http/ssh....

p4p1 used receive multicast data intranet.

192.168.0.1 public network gateway.

192.168.1.1 private network gateway (commented not have internet exit network)

239.0.0.*/24 multicast address.

linux distribution 3.13.0-32-generic #57-ubuntu smp tue jul 15 03:51:08 utc 2014 x86_64 x86_64 x86_64 gnu/linux distributor id : ubuntu description: ubuntu 14.04.2 lts release : 14.04 codename : trusty

my network interfaces config

auto lo iface lo inet loopback  # net1 auto p2p1 iface p2p1 inet static         address 192.168.0.100         netmask 255.255.255.0         gateway 192.168.0.1  # net2 auto p4p1 iface p4p1 inet static         address 192.168.1.100         netmask 255.255.255.0     ### gateway 192.168.1.1

now route table

root@srv:# route tabla de rutas ip del núcleo destino         pasarela        genmask         indic métric ref    uso interfaz default         192.168.0.1     0.0.0.0         ug    0      0        0 p2p1 192.168.0.0     *               255.255.255.0   u     0      0        0 p2p1 192.168.1.0     *               255.255.255.0   u     0      0        0 p4p1

i'm using udpxy on port 4022 converting iptv multicast unicast http

udpxy -p 4022

i execute 

/usr/bin/ffmpeg -i "http://127.0.0.1:4022/rtp/239.0.0.76:8208" -map 0:0 -map 0:1 -c:v libx264 -vf scale=-1:720 -r 25 -profile:v high -level:v 4.0 -crf 18 -preset veryfast -maxrate 2000k -bufsize 2200k -c:a aac -ab 128k -strict -2 -ac 2 -f flv rtmp://127.0.0.1:11111/rtmp/channel1;   ffmpeg version 2.7 copyright (c) 2000-2015 ffmpeg developers   built gcc 4.8 (ubuntu 4.8.2-19ubuntu1)   configuration: --extra-libs=-ldl --prefix=/opt/ffmpeg --enable-avresample --disable-debug --enable-nonfree --enable-gpl --enable-version3 --enable-libopencore-amrnb --enable-libopencore-amrwb --disable-decoder=amrnb --disable-decoder=amrwb --enable-libpulse --enable-libx264 --enable-libx265 --enable-libfdk-aac --enable-libvorbis --enable-libmp3lame --enable-libopus --enable-libvpx --enable-libspeex --enable-libass --enable-avisynth --enable-libsoxr --enable-libxvid --enable-libvo-aacenc --enable-libvidstab   libavutil      54. 27.100 / 54. 27.100   libavcodec     56. 41.100 / 56. 41.100   libavformat    56. 36.100 / 56. 36.100   libavdevice    56.  4.100 / 56.  4.100   libavfilter     5. 16.101 /  5. 16.101   libavresample   2.  1.  0 /  2.  1.  0   libswscale      3.  1.101 /  3.  1.101   libswresample   1.  2.100 /  1.  2.100   libpostproc    53.  3.100 / 53.  3.100 http://127.0.0.1:4022/rtp/239.0.0.76:8208: invalid data found when processing input

as can solve problem?? in advance

210.0.0.0/24 not multicast addresses.

the ipv4 multicast range 224.0.0.0/4. see https://en.wikipedia.org/?title=multicast_address

it's quite possible that's reason you're having issues.

edit:

also note error message:

http://127.0.0.1:4022/rtp/239.0.0.76:8208: invalid data found when processing input

i suppose means there's problem getting data udpxy, try running verbose (udpxy -v -p 4022) , see says.


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