Hi. First of all I want to thank you for the incredible liquidsoap you've
done. You've managed to help me with liquidsoap in IRC about an year ago
(special thanks to Romain btw!!!) so no I found that I really need your
advice since I was unable to find (or think of) such a solution. I'm using
liquidsoap (which is custom compiled from recent code I got via Mecurial) in
combination with Airtime 1.7.0 stable (
http://www.sourcefabric.org/en/products/airtime_overview/ ).
Everything is fine and working as expected but I have just on issue.
I've set backup fallback stream named "default" which loops a m3u playlist
because I want to be sure that even if Airtime fails to push to liquidsoap
(or if I forget to make schedule in Airtime) listeners are going to hear the
backup pls instead just blank silence for example. The problem is that when
playing tracks pushed by Airtime it *always* falls back to the "default"
backup stream between the tracks.
This is the log from liquidsoap+pypo:
@400000004d9ecdca06da18d4 2011/04/08 11:56:32 [decoder:3] Method
"MP3/LIBMAD" accepted
"/opt/pypo/cache/scheduler/2011-04-08-11-53-00/e79776e77f515b7b5e02b87e5aebec46.mp3".
@400000004d9ecdca2f95b97c 2011/04/08 11:56:32 [queue:3] Finished with
"/opt/pypo/cache/scheduler/2011-04-08-11-53-00/cbdf111a3bd0eaafede1eb2dace57aa5.mp3".
@400000004d9ecdca2f95c14c 2011/04/08 11:56:32 [src_5353:3] End of the
current overriding.
@400000004d9ecdca2f95c91c 2011/04/08 11:56:32 [fallback_5377:3] Switch to
cross_5365 with forgetful transition.
@400000004d9ecdcd2933bcb4 2011/04/08 11:56:35 [queue:3] Prepared
"/opt/pypo/cache/scheduler/2011-04-08-11-53-00/e79776e77f515b7b5e02b87e5aebec46.mp3"
(RID 3).
@400000004d9ecdcd2933c484 2011/04/08 11:56:35 [fallback_5377:3] Switch to
cross_5372 with transition.
One of the options I guess would be to make sure there are *no* gaps between
the tracks (which is something I was unable to do for the push queue)
So I'm trying to think of workaround for that. Any suggestions are
extremely appreciated!
Here is my full ls_script.liq file:
===================================================================
%include "library/pervasives.liq"
%include "/etc/airtime/liquidsoap.cfg"
set("log.file.path", log_file)
set("log.stdout", true)
set("server.telnet", true)
set("server.telnet.port", 1234)
set("tag.encodings",["UTF-8","CP1251"])
queue = request.queue(id="queue", length=0.5)
queue = audio_to_stereo(queue)
pypo_data = ref '0'
web_stream_enabled = ref false
stream_metadata_type = ref 0
station_name = ref ''
show_name = ref ''
%include "ls_lib.liq"
server.register(namespace="vars", "pypo_data", fun (s) -> begin pypo_data :=
s "Done" end)
server.register(namespace="vars", "web_stream_enabled", fun (s) -> begin
web_stream_enabled := (s == "true") string_of(!web_stream_enabled) end)
server.register(namespace="vars", "stream_metadata_type", fun (s) -> begin
stream_metadata_type := int_of_string(s) s end)
server.register(namespace="vars", "show_name", fun (s) -> begin show_name :=
s s end)
server.register(namespace="vars", "station_name", fun (s) -> begin
station_name := s s end)
live = input.harbor(id="live", password=harbor_pass, "live")
#default = amplify(0.00001, noise())
default = mksafe(playlist(mode="random",reload_mode="300","/default.m3u"))
default = rewrite_metadata([("artist","BG Metal"), ("title",
"Radio")],default)
def append_bgmr(m) =
title = m["title"]
# Return a new title metadata
[("title","#{title} <<< StationName" )]
end
def transfade(a,b)
add(normalize=false,
[ sequence([ blank(duration=5.),
fade.initial(duration=10.,b) ]),
fade.final(duration=10.,a) ])
end
enable_replaygain_metadata ()
default = amplify(1.,override="replay_gain",default)
queue = amplify(1.,override="replay_gain",queue)
queue = map_metadata(append_title, queue)
live = map_metadata(append_bgmr, live)
queue = map_metadata(append_bgmr, queue)
default = map_metadata(append_bgmr, default)
default = crossfade(default)
queue = crossfade(queue)
s = fallback(track_sensitive=false,
transitions=[transfade,transfade,transfade], [live, queue, default])
s = on_metadata(notify, s)
add_skip_command(s)
# Attach a skip command to the source s:
#web_stream_source = input.http(id="web_stream", autostart = false,
buffer=0.5, max=20., "")
#once the stream is started, give it a sink so that liquidsoap doesn't
#create buffer overflow warnings in the log file.
#output.dummy(fallible=true, web_stream_source)
#s = switch(track_sensitive = false,
# transitions=[to_live,to_live],
# [
# ({ !web_stream_enabled }, web_stream_source),
# ({ true }, s)
# ]
#)
if output_sound_device then
out_device = out(s)
end
if output_icecast_mp3 then
out_mp3 = output.icecast(%mp3,
host = icecast_host, port = icecast_port,
password = icecast_pass, mount = mount_point_mp3,
fallible = true,
restart = true,
restart_delay = 5,
url = icecast_url,
description = icecast_description,
genre = icecast_genre,
s)
end
if output_icecast_aacplus then
out_vorbis = output.icecast(%aacplus(channels=2, samplerate=44100,
bitrate=64),
host = icecast_host, port = icecast_port,
password = icecast_pass, mount =
mount_point_aacplus,
fallible = true,
restart = true,
restart_delay = 5,
url = icecast_url,
description = icecast_description,
genre = icecast_genre,
s)
end
===================================================================
Keep up the awesome work guys!
Best regards,
Zdravko
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