Multicast G.711 uLaw / 8kHz mono

[knowram]

I am trying to set up an ubuntu server that can multicast an audio file in G.711 uLaw /8kHz mono however I am having some difficulty finding the correct commands. After some google searching, I have come up with the following command to try and start the stream.

Code: Select all

vlc -vvv /var/www/cmadweb/moh/MY_BAYLOR_LOC.wav --sout '#transcode{acodec=ulaw,samplerate=8000}:rtp{proto=udp,mux=ts,name=big,dst=239.1.1.101,port=5004}' --sout-keep --ttl 5 --loop

Which is giving me the following output sections with errors. Any assistance would be much appreciated.

Code: Select all

[00000000008883e8] core interface error: no suitable interface module [0000000000779148] core libvlc error: interface "globalhotkeys,none" initialization failed [00000000008883e8] core interface debug: looking for interface module matching "dbus,none": 19 candidates [00000000008883e8] dbus interface error: Failed to connect to the D-Bus session daemon: Unable to autolaunch a dbus-daemon without a $DISPLAY for X11 [00000000008883e8] core interface debug: no interface modules matched [00000000008883e8] core interface error: no suitable interface module [0000000000779148] core libvlc error: interface "dbus,none" initialization failed [0000000000779148] core libvlc: Running vlc with the default interface. Use 'cvlc' to use vlc without interface. [00000000008883e8] core interface debug: looking for interface module matching "any": 19 candidates [00007f3800000958] core input debug: Creating an input for 'MY_BAYLOR_LOC.wav' [00000000008883e8] qt4 interface error: Could not connect to X server [00000000008623d8] core playlist debug: meta ok for (null), need to fetch art [00000000008883e8] skins2 interface debug: Cannot open X display [00000000008883e8] skins2 interface error: cannot initialize OSFactory

Code: Select all

[00007f37f4004098] mux_ts mux warning: rejecting stream with unsupported codec mlaw [00007f37f4004098] core mux error: cannot add this stream [00007f37f4001238] stream_out_rtp stream out error: cannot add this stream to the muxer [00007f37f8001168] core generic debug: removing module "araw" [00007f37f80015c8] core encoder debug: removing module "g711" [00007f37f8006458] core audio resampler debug: removing module "ugly_resampler" [00007f37f4c0c088] core decoder error: cannot create packetizer output (s16l)

[Rémi Denis-Courmont]

Cannot stream G.711 in MPEG-TS.

[knowram]

Cannot stream G.711 in MPEG-TS.

Does that mean that VLC can't support this or that I have a setting wrong?

[Rémi Denis-Courmont]

You're requesting an impossible combination.

[knowram]

You're requesting an impossible combination.

your saying Multicast at G.711 uLaw /8kHz mono is impossible? I know there are other hardware products out there that can do it.

[Rémi Denis-Courmont]

No. You can see what I wrote by scrolling up.

[knowram]

No. You can see what I wrote by scrolling up.

I'm really sorry Remi as I am not understanding what you're saying. Maybe I am not technical enough but if what I am trying to do is possible can you please point me in the right direction or let me know what I need to do.