You're a genius, sir! I don't know how I missed the part about ports, but
anyway...
Looks for "channelvars": {
"UNICASTRTP_LOCAL_PORT": "*14880*",
and then
vlc -vvv https://media-ssl.musicradio.com/LBCUK --sout
'#transcode{vcodec=none,acodec=*a*
law,channels=1,samplerate=8000}:rtp{dst=127.0.0.1,port=14880}'
Then the rest as before...
The other change I made was from ulaw to alaw, as ulaw sounded horribly
scratchy, particularly with "s" sounds. alaw was much better.
At last no more dynamic rewriting of moh files and then reloading moh etc
etc!
Thanks again.
On Mon, 4 Jan 2021 at 17:03, Joshua C. Colp <jc...@digium.com> wrote:
> On Sun, Jan 3, 2021 at 4:14 PM Jonathan H <lardconce...@gmail.com> wrote:
>
>> Very simply, I want to pipe some external audio into a channel (bridge)
>> using the externalMedia channel option.
>> Running Asterisk 18 on ubuntu, here's what I did to try and test things
>> out:
>>
>> open a console tab
>> vlc -vvv https://media-ssl.musicradio.com/LBCUK --sout
>> '#transcode{vcodec=none,acodec=ulaw,channels=1,samplerate=8000}:rtp{dst=127.0.0.1,port=5005}'
>>
>> open another console tab
>> wscat -c
>> "ws://localhost:8088/ari/events?api_key=asterisk:asterisk&app=playback-example"
>>
>> open another console tab
>> curl -v -u asterisk:asterisk -X POST "
>> http://localhost:8088/ari/channels/externalMedia?external_host=127.0.0.1:5005&channelId=musicChannel&format=ulaw&app=playback-example
>> "
>> curl -v -u asterisk:asterisk -X POST "
>> http://localhost:8088/ari/bridges/musicBridge?type=mixing";
>> then dial in from a phone
>> curl -v -u asterisk:asterisk -X GET "http://localhost:8088/ari/channels
>> "
>> and note the new call channel ID
>> curl -v -u asterisk:asterisk -X POST "
>> http://localhost:8088/ari/bridges/musicBridge/addChannel?channel=<phone
>> channel from above>,musicChannel"
>>
>
> You're sending media from Asterisk to VLC, not the other way around,
> currently. You need to examine the result from the call to
> channels/externalMedia, this will include the RTP port that Asterisk is
> listening for media on. You then need to pass this to vlc somehow (I'm not
> familar with the VLC options) and have it send RTP to that port.
>
> --
> Joshua C. Colp
> Asterisk Technical Lead
> Sangoma Technologies
> Check us out at www.sangoma.com and www.asterisk.org
> --
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