[FFmpeg-user] LIVE UDP.

[Feurstein, Michael]

Try another multicast address range.
It seems you are using 225 which is officially reserved.  
See more info on address ranges here: http://www.iana.org/assignments/multicast-addresses/multicast-addresses.xml 
Try Scoped Multicast Ranges e.g.: 239.0.0.0-239.255.255.255 (Organization-Local Scope)

If this does not help, try defining the multicast server in the address as in: udp://192.168.1.1@239.0.0.1:1234 (udp://[server-IP]@[multicast-IP]:[port])

Otherwise you'd need to see if your network supports multicast. But I have no experience on troubleshooting this.

Hope this is of use.

--Michael Feurstein


-----Ursprüngliche Nachricht-----
Von: ffmpeg-user-bounces at ffmpeg.org [mailto:ffmpeg-user-bounces at ffmpeg.org] Im Auftrag von Dennis
Gesendet: Freitag, 11. Jänner 2013 07:28
An: FFmpeg user questions and RTFMs
Betreff: [FFmpeg-user] LIVE UDP.

Hi.

I get no response from FFmpeg while trying to encode a live UDP feed to a file. I have to Ctrl-C out of it. Tried URL with @ and with ' already - same result. I can see the multicast traffic on the server. Please advise.

Thanks!

./ffmpeg -f mpegts -i udp://225.1.1.1:5000 -s 320x240 -t 10 1.ts ffmpeg version N-48645-gf3c9d8d Copyright (c) 2000-2013 the FFmpeg developers
  built on Jan  9 2013 04:08:32 with gcc 4.7 (Debian 4.7.2-5)
  configuration: --extra-cflags=-I../static/include
--extra-ldflags='-L../static/lib -static' --enable-gpl --enable-version3 --enable-static --disable-shared --disable-debug --enable-runtime-cpudetect --disable-x11grab --enable-libmp3lame --enable-libx264 --enable-libspeex --enable-libvorbis --enable-libvpx --enable-libfreetype --enable-libxvid --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libxavs --enable-libtheora --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-gray --enable-libopenjpeg --disable-ffserver
  libavutil      52. 13.100 / 52. 13.100
  libavcodec     54. 86.100 / 54. 86.100
  libavformat    54. 59.106 / 54. 59.106
  libavdevice    54.  3.102 / 54.  3.102
  libavfilter     3. 32.100 /  3. 32.100
  libswscale      2.  1.103 /  2.  1.103
  libswresample   0. 17.102 /  0. 17.102
  libpostproc    52.  2.100 / 52.  2.100
^C
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