Hi @toots,
I have the same problem.
I tested it on different versions. The most stable is 1.3.1 with opam 1.2.0
from the Debian repository. OCaml version 4.01.0. (But this version loads CPU
very much #475 )
I also tried to install the release version of opam 1.2.2 and the version of
liquidsoap from 1.3.2 to 1.3.3-1, and also opam 2.0.0 beta 5 with liquidsoap
1.3.3. Version OCaml 4.05.0.
Attempts to reproduce were through the external encoder and through fdkaac. The
decoder was used by the faad.
The result is the same. Stream just drops without killing the process.
The liquidsoap was assembled with the minimum configuration from opam + cry,
faad, fdkaac, ladspa, samplerate.
### Below is the configuration and end of the logs on which I tested.
Judging by the logs, it almost always drops before or after the jingles.
**.log**
```
2018/07/25 00:11:49 [decoder:4] Trying method "MP4" for
"/radio/collection/jingles/sg_preview.m4a"...
2018/07/25 00:11:49 [decoder.mp4:4] Libfaad recognizes
"/radio/collection/jingles/sg_preview.m4a" as MP4 (44100Hz,2 channels).
2018/07/25 00:11:49 [decoder:3] Method "MP4" accepted
"/radio/collection/jingles/sg_preview.m4a".
2018/07/25 00:11:49 [jingles:4] Remaining: 10.0s, queued: 0.0s, adding: 30.0s
(RID 5)
2018/07/25 00:11:54 [smart_cross_10647:4] Buffering end of track...
2018/07/25 00:11:54 [smart_cross_10647:4] More buffering will be needed.
2018/07/25 00:11:55 [decoder:4] Decoding
"/radio/collection/jingles/sg_preview.m4a" ended:
Aac_decoder.Make_mp4(Generator).End_of_track.
2018/07/25 00:11:56 [jingles:3] Finished with
"/radio/collection/jingles/sg_preview.m4a".
2018/07/25 00:11:56 [jingles:4] Remaining: 0.0s, queued: 30.0s, taking: 30.0s
2018/07/25 00:11:56 [jingles:3] Prepared
"/radio/collection/jingles/sg_preview.m4a" (RID 5).
2018/07/25 00:11:56 [rotate_10643:3] Switch to mksafe with forgetful transition.
2018/07/25 00:11:56 [mksafe:4] Activations changed: static=[],
dynamic=[rotate_10643:ladspa_10645:smart_cross_10647].
2018/07/25 00:11:56 [mksafe:4] Activations changed:
static=[rotate_10643:ladspa_10645:smart_cross_10647],
dynamic=[rotate_10643:ladspa_10645:smart_cross_10647].
2018/07/25 00:11:56 [smart_cross_10647:3] Analysis: -78.517370dB / -15.047655dB
(5.02s / 1.98s)
2018/07/25 00:11:56 [joshcross:4] Before: ("kind","{audio=2;video=0;midi=0}")
2018/07/25 00:11:56 [joshcross:4] Before: ("decoder","MP4")
2018/07/25 00:11:56 [joshcross:4] Before:
("filename","/radio/collection/jingles/sg_preview.m4a")
2018/07/25 00:11:56 [joshcross:4] Before: ("temporary","false")
2018/07/25 00:11:56 [joshcross:4] Before: ("source","jingles")
2018/07/25 00:11:56 [joshcross:4] Before:
("initial_uri","/radio/collection/jingles/sg_preview.m4a")
2018/07/25 00:11:56 [joshcross:4] Before: ("playlist_length","1")
2018/07/25 00:11:56 [joshcross:4] Before: ("status","playing")
2018/07/25 00:11:56 [joshcross:4] Before: ("tool","qaac 2.67, CoreAudioToolbox
7.10.9.0, AAC-LC Encoder, CVBR 256kbps, Quality 96")
2018/07/25 00:11:56 [joshcross:4] Before: ("on_air","2018/07/25 00:11:20")
2018/07/25 00:11:56 [joshcross:4] Before: ("rid","0")
2018/07/25 00:11:56 [joshcross:4] Before: ("playlist_position","0")
```
**config.liq**
```
#!/usr/local/bin/liquidsoap
set("init.daemon.pidfile.path", "/radio/technical/liquidsoap/liquidsoap.pid")
%include "utils.liq"
set("decoder.stream_decoders",["MP4"])
set("decoder.file_decoders",["MP4"])
set("decoder.file_extensions.mp4",["m4a"])
set("decoder.mime_types.mp4",["audio/x-m4a"])
home = "/radio"
pl = "#{home}/collection"
muz = "#{pl}/music"
jin = "#{pl}/jingles"
logs = "#{home}/logs"
set("log.file.path", "#{logs}/liquidsoap.log")
set("log.level", 5)
music = mksafe(playlist("#{muz}"))
jingles = mksafe(playlist("#{jin}"))
stream = rotate(weights = [2, 1], [music, jingles])
stream = ladspa.matrixspatialiser(width = 3, stream)
stream = joshcross(stream)
stream = skip_blank(stream)
cfg = output.icecast(
host = *********,
port = ****,
user = "source",
password = *********,
name = ************,
description = ***********,
genre = *******,
url = ************,
encoding = "UTF-8"
)
cfg(
%external(
channels = 2,
samplerate = 44100,
header = true,
restart_on_crash = false,
restart_on_metadata,
restart_after_delay = 30,
process="WINEDEBUG=-all /opt/wine-devel/bin/wine
/radio/technical/qaac/qaac.exe -v 256 -q 2 --adts -s --log /radio/logs/qaac.log
--threading --delay=0 --gapless-mode=2 --no-delay --rate=44100 - -o -"
),
mount = "source.aac",
format = "audio/aac",
stream
)
#cfg(
# %fdkaac(
# channels = 2,
# samplerate = 44100,
# vbr = 5,
# afterburner = true,
# aot = "mpeg4_aac_lc",
# transmux = "adts",
# sbr_mode = false
# ),
# mount = "source.aac",
# stream
#)
```
**utils.liq**
```
def joshcross (~start_next=5.,~fade_in=3.,~fade_out=3.,
~default=(fun (a,b) -> sequence([a, b])),
~high=-15., ~medium=-32., ~margin=4.,
~width=2.,~conservative=false,s)
fade.out = fade.out(type="sin",duration=fade_out)
fade.in = fade.in(type="sin",duration=fade_in)
add = fun (a,b) -> add(normalize=false,[b, a])
log = log(label="joshcross")
def transition(a,b,ma,mb,sa,sb)
list.iter(fun(x)-> log(level=4,"Before: #{x}"),ma)
list.iter(fun(x)-> log(level=4,"After : #{x}"),mb)
if ma["type"] == "J" or mb["type"] == "J" then
log("Old or new file is a jingle: sequenced transition.")
sequence([sa, sb])
elsif
# Do not fade if it's already very low.
b >= a + margin and a <= medium and b <= high
then
log("new >= old + margin, old <= medium and new <= high.")
log("Do not fade if it's already very low.")
log("Transition: crossed, no fade.")
add(sa,sb)
else
log("Transition: crossed, fade-in, fade-out.")
add(fade.out(sa),fade.in(sb))
end
end
smart_cross(width=width, duration=start_next, conservative=conservative,
transition,s)
end
def
skip_blank(~id="",~threshold=-40.,~max_blank=20.,~min_noise=0.,~track_sensitive=true,s)
on_blank({source.skip(s)},threshold=threshold,max_blank=max_blank,min_noise=min_noise,track_sensitive=track_sensitive,s)
end
```
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