Cleanup. #72

.gitignore

@@ -8,7 +8,7 @@ scripts/.engine.install-db.lock
 .engine.install-db.lock
 config/systemd/dev/
 env.list
-audio/source
+audio
 config/docker/engine.ini
 src/liquidsoap/engine.sock
 python

.gitlab-ci.yml

@@ -5,17 +5,10 @@ stages:
 
 before_script:
   - apt-get -qq update 
-  - apt-cache search libmariadb
-  - apt-get install -y python3-virtualenv virtualenv opam libev4 libev-dev libsndfile1 quelcom # mariadb-server libmariadbclient-dev
-  - /usr/bin/virtualenv venv
-  - . venv/bin/activate
-  - python3 -V
+  - apt-get install -y python3-virtualenv virtualenv
+  - /usr/bin/virtualenv python
+  - . python/bin/activate
   - pip3 install -r requirements.txt
-  - mkdir /etc/aura
-  - mkdir /var/log/aura
-  - mkdir -p /opt/aura/engine/src/liquidsoap
-  - mkdir -p /opt/aura/engine/logs
-  - pwd
   - cp config/sample-production.engine.ini config/engine.ini
 
 run_test_cases:

requirements.txt

@@ -4,5 +4,4 @@ Flask==1.1.2
 Flask_SQLAlchemy==2.4.3
 mysqlclient==1.3.12
 validators==0.12.1
-accessify==0.3.1
 http-parser==0.9.0
\ No newline at end of file

scripts/install-opam-packages.sh

-#!/bin/bash
-
-opam update -y
-opam init -y
-opam switch create 4.08.0
-opam install depext -y
-opam depext taglib mad lame vorbis flac opus cry samplerate pulseaudio bjack alsa ssl liquidsoap -y
-opam install taglib mad lame vorbis flac opus cry samplerate pulseaudio bjack alsa ssl liquidsoap -y
-eval $(opam env)

src/liquidsoap/__init__.py

-

src/liquidsoap/archive/unused_fallback.liq

-#
-# Aura Engine (https://gitlab.servus.at/aura/engine)
-#
-# Copyright (C) 2017-2020 - The Aura Engine Team.
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU Affero General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU Affero General Public License for more details.
-#
-# You should have received a copy of the GNU Affero General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-
-
-
-
-# Crossfade between tracks, 
-# taking the respective volume levels 
-# into account in the choice of the 
-# transition.
-# @category Source / Track Processing
-# @param ~start_next   Crossing duration, if any.
-# @param ~fade_in      Fade-in duration, if any.
-# @param ~fade_out     Fade-out duration, if any.
-# @param ~width        Width of the volume analysis window.
-# @param ~conservative Always prepare for
-#                      a premature end-of-track.
-# @param s             The input source.
-def crossfade (~start_next=5.,~fade_in=3.,
-               ~fade_out=3., ~width=2.,
-               ~conservative=false,s)
-  high   = -20.
-  medium = -32.
-  margin = 4.
-  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="crossfade")
-
-  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
-      # If A and B and not too loud and close, 
-      # fully cross-fade them.
-      a <= medium and 
-      b <= medium and 
-      abs(a - b) <= margin
-    then
-      log("Transition: crossed, fade-in, fade-out.")
-      add(fade.out(sa),fade.in(sb))
-
-    elsif
-      # If B is significantly louder than A, 
-      # only fade-out A.
-      # We don't want to fade almost silent things, 
-      # ask for >medium.
-      b >= a + margin and a >= medium and b <= high
-    then
-      log("Transition: crossed, fade-out.")
-      add(fade.out(sa),sb)
-
-    elsif
-      # Do not fade if it's already very low.
-      b >= a + margin and a <= medium and b <= high
-    then
-      log("Transition: crossed, no fade-out.")
-      add(sa,sb)
-
-    elsif
-      # Opposite as the previous one.
-      a >= b + margin and b >= medium and a <= high
-    then
-      log("Transition: crossed, fade-in.")
-      add(sa,fade.in(sb))
-
-    # What to do with a loud end and 
-    # a quiet beginning ?
-    # A good idea is to use a jingle to separate 
-    # the two tracks, but that's another story.
-
-    else
-      # Otherwise, A and B are just too loud 
-      # to overlap nicely, or the difference 
-      # between them is too large and 
-      # overlapping would completely mask one 
-      # of them.
-      log("No transition: just sequencing.")
-      sequence([sa, sb])
-    end
-  end
-
-  cross(width=width, duration=start_next, 
-        conservative=conservative,
-        transition,s)
-end
-
-# Custom crossfade to deal with jingles.
-# def smarter_crossfade (~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="smarter_crossfade")
-
-#   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"] == "jingles" or mb["type"] == "jingles" then
-#       log("Old or new file is a jingle: sequenced transition.")
-#       sequence([sa, sb])
-#     elsif
-#       # If A and B are not too loud and close, fully cross-fade them.
-#       a <= medium and b <= medium and abs(a - b) <= margin
-#     then
-#       log("Old <= medium, new <= medium and |old-new| <= margin.")
-#       log("Old and new source are not too loud and close.")
-#       log("Transition: crossed, fade-in, fade-out.")
-#       add(fade.out(sa),fade.in(sb))
-
-#     elsif
-#       # If B is significantly louder than A, only fade-out A.
-#       # We don't want to fade almost silent things, ask for >medium.
-#       b >= a + margin and a >= medium and b <= high
-#     then
-#       log("new >= old + margin, old >= medium and new <= high.")
-#       log("New source is significantly louder than old one.")
-#       log("Transition: crossed, fade-out.")
-#       add(fade.out(sa),sb)
-
-#     elsif
-#       # Opposite as the previous one.
-#       a >= b + margin and b >= medium and a <= high
-#     then
-#       log("old >= new + margin, new >= medium and old <= high")
-#       log("Old source is significantly louder than new one.")
-#       log("Transition: crossed, fade-in.")
-#       add(sa,fade.in(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)
-
-#     # What to do with a loud end and a quiet beginning ?
-#     # A good idea is to use a jingle to separate the two tracks,
-#     # but that's another story.
-
-#     else
-#       # Otherwise, A and B are just too loud to overlap nicely,
-#       # or the difference between them is too large and overlapping would
-#       # completely mask one of them.
-#       log("No transition: using default.")
-#       default(sa, sb)
-#     end
-#   end
-
-#   #smart_cross(width=width, duration=start_next, conservative=conservative, transition, s)
-#   smart_crossfade(duration=start_next, fade_in=fade_in, fade_out=fade_out, width=width, conservative=conservative, transition, s)
-# end
-
-# create a pool
-def fallback_create(~skip=true, name, requestor)
-  log("Creating channel #{name}")
-
-  # Create the request.dynamic source
-  # Set conservative to true to queue several songs in advance
-  #source = request.dynamic(conservative=true, length=50., id="pool_"^name, requestor, timeout=60.)
-  source = request.dynamic(length=50., id="pool_"^name, requestor, timeout=60.)
-
-  # Apply normalization using replaygain information
-  source = amplify(1., override="replay_gain", source)
-
-  # Skip blank when asked to
-  source =
-    if skip then
-      skip_blank(max_blank=fallback_max_blank, min_noise=fallback_min_noise, threshold=fallback_threshold, source)
-    else
-      source
-    end
-
-  # Tell the system when a new track is played
-  def do_meta(meta) =
-    filename = meta["filename"]
-    # artist = meta["artist"]
-    # title = meta["title"]
-    system('#{list.assoc(default="", "install_dir", ini)}/guru.py --on_play "#{filename}"')
-  end
-  source = on_metadata(do_meta, source)
-  
-
-  log("channel created")
-
-  # Finally apply a smart crossfading
-  #smarter_crossfade(source)
-  crossfade(source)
-end
-
-def create_dynamic_playlist(next)
-  request.create(list.hd(default="", next))
-end
-
-def create_playlist() =
-  log("requesting next song for PLAYLIST")
-  result = get_process_lines('#{list.assoc(default="", "install_dir", ini)}/guru.py --get-next-file-for "playlist" --quiet')
-  create_dynamic_playlist(result)
-end
-
-def create_station_fallback() =
-  result = get_process_lines('#{list.assoc(default="", "install_dir", ini)}/guru.py --get-next-file-for station --quiet')
-  log("next song for STATION fallback is: #{result}")
-  create_dynamic_playlist(result)
-end
-
-def create_show_fallback() =
-  result = get_process_lines('#{list.assoc(default="", "install_dir", ini)}/guru.py --get-next-file-for show --quiet')
-  log("next song for SHOW fallback is: #{result}")
-  create_dynamic_playlist(result)
-end
-
-def create_timeslot_fallback() =
-  result = get_process_lines('#{list.assoc(default="", "install_dir", ini)}/guru.py --get-next-file-for timeslot --quiet')
-  log("next song for TIMESLOT fallback is: #{result}")
-  create_dynamic_playlist(result)
-end
-
-# create fallbacks
-timeslot_fallback = fallback_create(skip=true, "timeslot_fallback", create_timeslot_fallback)
-station_fallback  = fallback_create(skip=true, "station_fallback", create_station_fallback)
-show_fallback     = fallback_create(skip=true, "show_fallback", create_show_fallback)
\ No newline at end of file

src/liquidsoap/archive/unused_out_filesystem.liq

-#
-# Aura Engine (https://gitlab.servus.at/aura/engine)
-#
-# Copyright (C) 2017-2020 - The Aura Engine Team.
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU Affero General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU Affero General Public License for more details.
-#
-# You should have received a copy of the GNU Affero General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-
-
-r0_enable = list.assoc(default="", "rec_0", ini) == "y"
-r1_enable = list.assoc(default="", "rec_1", ini) == "y"
-r2_enable = list.assoc(default="", "rec_2", ini) == "y"
-r3_enable = list.assoc(default="", "rec_3", ini) == "y"
-r4_enable = list.assoc(default="", "rec_4", ini) == "y"
-
-r0_folder = list.assoc(default="", "rec_0_folder", ini)
-r0_duration = int_of_string(list.assoc(default="", "rec_0_duration", ini))
-r0_encoding = list.assoc(default="", "rec_0_encoding", ini)
-r0_bitrate = int_of_string(list.assoc(default="", "rec_0_bitrate", ini))
-r0_channels = list.assoc(default="", "rec_0_channels", ini)
-r0_filenamepattern = r0_folder^"/%Y-%m-%d/%Y-%m-%d-%H-%M."^r0_encoding
-
-r1_folder = list.assoc(default="", "rec_1_folder", ini)
-r1_duration = int_of_string(list.assoc(default="", "rec_1_duration", ini))
-r1_encoding = list.assoc(default="", "rec_1_encoding", ini)
-r1_bitrate = int_of_string(list.assoc(default="", "rec_1_bitrate", ini))
-r1_channels = list.assoc(default="", "rec_1_channels", ini)
-r1_filenamepattern = r1_folder^"/%Y-%m-%d/%Y-%m-%d-%H-%M."^r1_encoding
-
-r2_folder = list.assoc(default="", "rec_2_folder", ini)
-r2_duration = int_of_string(list.assoc(default="", "rec_2_duration", ini))
-r2_encoding = list.assoc(default="", "rec_2_encoding", ini)
-r2_bitrate = int_of_string(list.assoc(default="", "rec_2_bitrate", ini))
-r2_channels = list.assoc(default="", "rec_2_channels", ini)
-r2_filenamepattern = r2_folder^"/%Y-%m-%d/%Y-%m-%d-%H-%M."^r2_encoding
-
-r3_folder = list.assoc(default="", "rec_3_folder", ini)
-r3_duration = int_of_string(list.assoc(default="", "rec_3_duration", ini))
-r3_encoding = list.assoc(default="", "rec_3_encoding", ini)
-r3_bitrate = int_of_string(list.assoc(default="", "rec_3_bitrate", ini))
-r3_channels = list.assoc(default="", "rec_3_channels", ini)
-r3_filenamepattern = r3_folder^"/%Y-%m-%d/%Y-%m-%d-%H-%M."^r3_encoding
-
-r4_folder = list.assoc(default="", "rec_4_folder", ini)
-r4_duration = int_of_string(list.assoc(default="", "rec_4_duration", ini))
-r4_encoding = list.assoc(default="", "rec_4_encoding", ini)
-r4_bitrate = int_of_string(list.assoc(default="", "rec_4_bitrate", ini))
-r4_channels = list.assoc(default="", "rec_4_channels", ini)
-r4_filenamepattern = r4_folder^"/%Y-%m-%d/%Y-%m-%d-%H-%M."^r4_encoding
-
-r0_is_recording = ref false
-r1_is_recording = ref false
-r2_is_recording = ref false
-r3_is_recording = ref false
-r4_is_recording = ref false
-
-if r0_enable == true then
-    # enable recording status for that recorder
-    server.register(namespace="out_filesystem_0", "recording", fun (s) -> begin if !r0_is_recording == false then "false" else "true" end end)
-
-    # start the recorder
-    start_recorder(r0_folder, r0_duration, r0_encoding, r0_bitrate, r0_channels, r0_filenamepattern, r0_is_recording, output_source, "0")
-end
-
-if r1_enable == true then
-    server.register(namespace="out_filesystem_1", "recording", fun (s) -> begin if !r1_is_recording == false then "false" else "true" end  end)
-    start_recorder(r1_folder, r1_duration, r1_encoding, r1_bitrate, r1_channels, r1_filenamepattern, r1_is_recording, output_source, "1")
-end
-
-if r2_enable == true then
-    server.register(namespace="out_filesystem_2", "recording", fun (s) -> begin if !r2_is_recording == false then "false" else "true" end  end)
-    start_recorder(r2_folder, r2_duration, r2_encoding, r2_bitrate, r2_channels, r2_filenamepattern, r2_is_recording, output_source, "2")
-end
-
-if r3_enable == true then
-    server.register(namespace="out_filesystem_3", "recording", fun (s) -> begin if !r3_is_recording == false then "false" else "true" end  end)
-    start_recorder(r3_folder, r3_duration, r3_encoding, r3_bitrate, r3_channels, r3_filenamepattern, r3_is_recording, output_source, "3")
-end
-
-if r4_enable == true then
-    server.register(namespace="out_filesystem_4", "recording", fun (s) -> begin if !r4_is_recording == false then "false" else "true" end  end)
-    start_recorder(r4_folder, r4_duration, r4_encoding, r4_bitrate, r4_channels, r4_filenamepattern, r4_is_recording, output_source, "4")
-end
\ No newline at end of file

src/liquidsoap/archive/unused_record.liq

-#
-# Aura Engine (https://gitlab.servus.at/aura/engine)
-#
-# Copyright (C) 2017-2020 - The Aura Engine Team.
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU Affero General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU Affero General Public License for more details.
-#
-# You should have received a copy of the GNU Affero General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-
-# %include "readini.liq"
-# ini = read_ini("/etc/aura/engine.ini")
-
-# %include "settings.liq"
-
-# TELNET SETTINGS
-# set("server.telnet", true)
-# set("server.telnet.bind_addr", "0.0.0.0")
-# set("server.telnet.port", 2345)
-
-inst = if argv(1) != "" then string_of(argv(1)) else 'record' end
-instance = ref inst
-
-audiobase = if !instance == 'record' then list.assoc(default="", "audiobase", ini) else list.assoc(default="", "altaudiobase", ini)  end
-rec_filetype = list.assoc(default="", "rec_filetype", ini)
-
-filenamepattern = ref audiobase^"/%Y-%m-%d/%Y-%m-%d-%H-%M.flac"
-
-# Der aktuelle Dateiname für die Aufnahme
-recordingfile = ref ""
-
-# wir definieren eine Referenz für die Stop-Funktion, die aber bisher noch nichts tun kann
-stop_f = ref (fun () -> ())
-
-# bewahre uns davor, dass zweimal gleichzeitig die gleiche Date aufgenommen wird
-is_record_active = ref false
-
-# Stop dump - wir definieren die Funktion, die stop_f ausführt
-def stop_dump() =
-  f = !stop_f
-  f ()
-end
-
-def on_start()
-    recordingfile := list.hd(default="", get_process_lines("date +#{!filenamepattern}"))
-end
-
-# Wav header fixen und ggf. die Aufzeichnung beenden
-def on_close(filename)
-    # es darf wieder aufgenommen werden
-    is_record_active := false
-
-    # if list.assoc(default="", "rec_filetype", ini) == 'wav'
-    #     # Korrekten WAV-Header schreiben
-    #     system("qwavheaderdump -F #{filename}")
-
-    # Naechsten Dateinamen vormerken
-    recordingfile := list.hd(default="", get_process_lines("date +#{!filenamepattern}"))
-end
-
-# Der input wie oben definiert
-def get_input()
-    output_source
-    # input.alsa()
-end
-
-def get_output()
-    input = get_input()
-    d = int_of_string(list.assoc(default="", "rec_duration", ini))
-    if rec_filetype == 'flac' then
-        log("output file type is FLAC")
-        output.file(
-            id="recorder",
-            %flac(samplerate=44100, channels=2, compression=5, bits_per_sample=16),
-            perm = 0o664,
-            on_start=on_start,
-            !filenamepattern,
-            on_close=on_close,
-            reopen_when={ if !instance == 'record' then int_of_float(gettimeofday()/60.) mod 30 == 0  else false end },
-            input
-        )
-    else
-        # record in WAV
-        log("output file type is WAV")
-        output.file(
-            id="recorder",
-            %wav(stereo=true, channels=2, samplesize=16, header=true),
-            perm = 0o664,
-            on_start=on_start,
-            !filenamepattern,
-            on_close=on_close,
-            reopen_when={ if !instance == 'record' then int_of_float(gettimeofday()/60.) mod d == 0  else false end },
-            input
-        )
-    end
-end
-
-# Funktion gibt Auskunft welches File aktuell ist und wieviel Prozent bereits aufgenommen werden
-def currecording()
-    curfile = !recordingfile
-    if curfile != "" then
-        percent_done = default="", get_process_lines("echo $(($(stat -c%s "^curfile^")/3174777))"))
-        "#{curfile}, #{percent_done}%"
-    else
-        "Nothing is being recorded now"
-    end
-end
-
-#Funktion zum Start der Aufzeichnung
-def start_dump() =
-    log('start dump')
-
-    # don't record twice is_record_active
-    if !is_record_active == false then
-        is_record_active := true
-        
-        log('starting to record')
-
-        record = get_output()
-        
-        log('record defined')
-        # Die Stopfunkton zeigt nun auf die Shutdown-Funktion der aktuellen Source
-        stop_f := fun () -> begin
-                                log('stop recording')
-                                # Aufnahme sauber beenden
-                                ignore(server.execute('recorder.stop'))
-                                # Source zerstören
-                                source.shutdown(record)
-                                # Variable zurücksetzen
-                                recordingfile := ""
-                            end
-    else 
-        log("recorder already active")
-    end
-end
-
-
-# Der Server wird durch 3 Funktionen bereichert
-# Der User darf die Aufzeichnung manuell starten
-server.register(namespace="record",
-                description="Start recording.",
-                usage="start",
-                "start",
-                fun (s) ->  begin start_dump() "OK" end)
-
-# Der User darf die Aufzeichnung manuell stoppen
-server.register(namespace="record",
-                description="Stop recording.",
-                usage="stop",
-                "stop",
-                fun (s) -> begin stop_dump() "OK" end)
-
-if !instance != 'record' then
-    # Der User darf einen Dateinamen für die Aufnahme definieren
-    server.register(namespace="record",
-                    description="Define filename for output.",
-                    usage="setfilename",
-                    "setfilename",
-                    fun (s) -> begin filenamepattern := audiobase^"/"^string_of(s)  "OK" end)
-end
-
-# Der User kann sich über den Fortschritt der Aufnahme informieren
-server.register(namespace="record",
-                description="Show current file.",
-                usage="curfile",
-                "curfile",
-                fun (s) -> currecording() )
-
-output.dummy(blank(id="serve"))

src/liquidsoap/archive/unused_recorder.liq

-#
-# Aura Engine (https://gitlab.servus.at/aura/engine)
-#
-# Copyright (C) 2017-2020 - The Aura Engine Team.
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU Affero General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU Affero General Public License for more details.
-#
-# You should have received a copy of the GNU Affero General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-
-# define file name pattern
-filenamepattern = ref audiobase^"/%Y-%m-%d/%Y-%m-%d-%H-%M.flac"
-
-# Der aktuelle Dateiname für die Aufnahme
-recordingfile = ref ""
-
-# bewahre uns davor, dass zweimal gleichzeitig die gleiche Date aufgenommen wird
-is_record_active = ref false
-
-#wir definieren eine Referenz für die Stop-Funktion, die aber bisher noch nichts tun kann
-stop_f = ref (fun () -> ())
-
-
-
-def start_wav_output(recfile, filenamepattern, recorder_number)
-    duration   = int_of_string(list.assoc(default="", "rec_"^recorder_number^"_duration",     ini))
-    channels   = int_of_string(list.assoc(default="", "rec_"^recorder_number^"_channels",     ini))
-    samplesize = int_of_string(list.assoc(default="", "rec_"^recorder_number^"_samplesize",     ini))
-
-    ignore(duration)
-    ignore(channels)
-    ignore(samplesize)
-
-#    def on_start()
-#        recfile := list.hd(default="", get_process_lines("date +#{!filenamepattern}"))
-#    end
-#    def on_close(filename)
-#        recordingfile := list.hd(default="", get_process_lines("date +#{!filenamepattern}"))
-#    end
-
-    print(channels)
-    print(samplesize)
-    #out_wav = output.file(id="recorder", perm = 0o664, on_start=on_start, on_close=on_close, reopen_when={ int_of_float(gettimeofday()/60.) mod duration == 0 })
-    #out_wav(%wav(stereo=true, channels=2, samplesize=8, header=true, !filenamepattern, output_source)
-    #ignore(out_wav)