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Streaming output section on Linux
https://forums.stereotool.com/viewtopic.php?f=2&t=30688		 Page 1 of 1
Author:  yannprim [ Mon May 31, 2021 6:18 pm ]
Post subject:  Streaming output section on Linux
Hi,
I'm using StereoTool since one year in the community radio where I work, but it's the first time I post here.
I'm stuck with a streaming/VLC related problem and I hope you can help me :

I'm trying to setup a (headless) PC with Debian 10 as an all-in-one encoder (process/stream/STL) like this :
soundcard > StereoTool > liquidsoap > icecast > ...

ST feeding liquidsoap via the streaming output to the liquidsoap harbor
But the streaming output section doesnt appear in the gui.

I noticed VLC is required to use the streaming ouput an dVLC 3.0.12 x64 is installed.
I use ST 9.70 x64 gui (alsa).

Thanks !
Yann
Author:  sverrips [ Fri Sep 03, 2021 10:05 pm ]
Post subject:  Re: Streaming output section on Linux
Quote:
Hi,
I'm using StereoTool since one year in the community radio where I work, but it's the first time I post here.
I'm stuck with a streaming/VLC related problem and I hope you can help me :

I'm trying to setup a (headless) PC with Debian 10 as an all-in-one encoder (process/stream/STL) like this :
soundcard > StereoTool > liquidsoap > icecast > ...

ST feeding liquidsoap via the streaming output to the liquidsoap harbor
But the streaming output section doesnt appear in the gui.

I noticed VLC is required to use the streaming ouput an dVLC 3.0.12 x64 is installed.
I use ST 9.70 x64 gui (alsa).

Thanks !
Yann



streaming.liq : (Ubuntu 20.04)

#!/usr/share/liquidsoap//bin/liquidsoap

%include "/usr/share/liquidsoap/libs/utils.liq"

set("log.file.path","/tmp/stream.log")
set("frame.audio.size", 2048)

# Lees audiokaart ingang en stuur deze door naar de processing
radio = input.pulseaudio(clock_safe=false)

# Stereotool verzorgt de processing
radio = pipe(process='/usr/bin/stereo_tool_cmd_64 - - -s /opt/optimod8100.sts -q -k "<3faxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxee>"', radio)

# Normaliseer het geprocessed geluid
radio = normalize(radio)

# Het geprocesst geluid naar de stream server
output.icecast(
%mp3(bitrate = 192),
host = "server6.radio-streams.net",
user = "source",
port = 8033,
password = "xxxxx",
mount = "/live",
icy_metadata="true",
genre = "Prog Rock",
name = "Progressieve Rock",
url = "https://progressieverock.nl",
description = "Progressieve Rock",
mksafe(radio)
)

output.icecast(
%mp3(bitrate=24, samplerate=22050, mono=true),
host = "server6.radio-streams.net",
user = "source",
port = 8033,
password = "xxxxx",
mount = "/nokia",
icy_metadata="true",
genre = "Prog Rock",
name = "Progressieve Rock",
url = "https://progressieverock.nl",
description = "Progressieve Rock",
mean(mksafe(radio))
)


# Sla een opname op zoals deze is uitgezonden
output.file(%mp3(bitrate=192),"/home/lrt/opname/opname-%H.mp3", reopen_when={0m0s},mksafe(radio))






streaming.liq : (Debian 10)

#!/usr/bin/liquidsoap

set("log.file.path","/tmp/stream.log")
set("frame.audio.size", 2048)

# Lees audiokaart ingang en stuur deze door naar de processing
radio = input.pulseaudio(clock_safe=false)

# Stereotool verzorgt de processing
radio = pipe(process='/usr/bin/stereo_tool_cmd_64 - - -s /opt/optimod8100.sts -q -k "<3faxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxee>"', radio)

# Normaliseer het geprocessed geluid
radio = normalize(radio)

# Het geprocesst geluid naar de stream server
output.icecast(
%mp3(bitrate = 192),
host = "server6.radio-streams.net",
user = "source",
port = 8033,
password = "xxxxx",
mount = "/live",
icy_metadata="true",
genre = "Prog Rock",
name = "Progressieve Rock",
url = "https://progressieverock.nl",
description = "Progressieve Rock",
mksafe(radio)
)

output.icecast(
%mp3(bitrate=24, samplerate=22050, mono=true),
host = "server6.radio-streams.net",
user = "source",
port = 8033,
password = "xxxxx",
mount = "/nokia",
icy_metadata="true",
genre = "Prog Rock",
name = "Progressieve Rock",
url = "https://progressieverock.nl",
description = "Progressieve Rock",
mean(mksafe(radio))
)


# Sla een opname op zoals deze is uitgezonden
output.file(%mp3(bitrate=192),"/home/lrt/opname/opname-%H.mp3", reopen_when={0m0s},mksafe(radio))

For example radio automation with stereotool (key not included !), see

https://linuxradio.tools

We use it in Wageningen, Radio station RTV Rijnstreek









HARBOUR EXAMPLE:

#!/usr/share/liquidsoap//bin/liquidsoap

%include "/usr/share/liquidsoap/libs/utils.liq"
%include "/usr/share/liquidsoap/libs/gstreamer.liq"

set("log.file.path","/tmp/stream.log")
set("frame.audio.size", 2048)

# Lees audiokaart ingang en stuur deze door naar de processing
input = input.pulseaudio(clock_safe=false)

# /mount (webcast client at https://dj.progressieverock.nl)
live = input.harbor("mount",port=9000,password="Wehkhhkgljl%")

# You may insert a jingle transition here...
radio = fallback(track_sensitive=false, [live,input])

# Stereotool verzorgt de processing
radio = pipe(process='/usr/bin/stereo_tool_cmd_64 - - -s /opt/optimod8100.sts -q -k "<3faxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxee>"', radio)

# Normaliseer het geprocessed geluid
radio = normalize(radio)

# Het geprocesst geluid naar de stream server
output.icecast(
%mp3(bitrate = 192),
host = "server6.radio-streams.net",
user = "source",
port = 8033,
password = "xxxxx",
mount = "/live",
icy_metadata="true",
genre = "Prog Rock",
name = "Progressieve Rock",
url = "https://progressieverock.nl",
description = "Progressieve Rock",
mksafe(radio)
)

output.icecast(
%mp3(bitrate=24, samplerate=22050, mono=true),
host = "server6.radio-streams.net",
user = "source",
port = 8033,
password = "xxxxx",
mount = "/nokia",
icy_metadata="true",
genre = "Prog Rock",
name = "Progressieve Rock",
url = "https://progressieverock.nl",
description = "Progressieve Rock",
mean(mksafe(radio))
)
Author:  yannprim [ Tue Sep 07, 2021 9:41 am ]
Post subject:  Re: Streaming output section on Linux
Hi sverrips, thanks for your reply.
I also tried to do this with pipe() in LS as you suggest but it's not working.

My question was about Stereo Tool outputing audio via "streaming output", that i can catch it with a harbor in LS.
but I did'nt find how to enable straming output on linux...

My workaround was to use Jack between ST and LS. It's running since with no problem or drops.
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