/usr/bin/trackplay is in audiotools 3.1.1-1+b1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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# Audio Tools, a module and set of tools for manipulating audio data
# Copyright (C) 2007-2015 Brian Langenberger
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 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 General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
import sys
import time
import termios
import os
import audiotools
import audiotools.ui
import audiotools.player
import audiotools.text as _
if audiotools.ui.AVAILABLE:
urwid = audiotools.ui.urwid
class TrackplayGUI(audiotools.ui.PlayerGUI):
def __init__(self, track_list, audio_output,
replay_gain=audiotools.player.RG_NO_REPLAYGAIN):
def track_name(track):
metadata = track.get_metadata()
if (((metadata is not None) and
(metadata.track_name is not None))):
return metadata.track_name
else:
return audiotools.Filename(
track.filename).basename().__unicode__()
audiotools.ui.PlayerGUI.__init__(
self,
audiotools.player.Player(
audio_output=audio_output,
replay_gain=replay_gain,
next_track_callback=self.next_track),
[(track_name(track), int(track.seconds_length()),
(track, track.get_metadata())) for track in track_list],
sum([track.seconds_length() for track in track_list]))
def select_track(self, radio_button, new_state, user_data,
auto_play=True):
if new_state:
(track, metadata) = user_data
if metadata is not None:
self.update_metadata(
track_name=metadata.track_name,
album_name=metadata.album_name,
artist_name=metadata.artist_name,
track_number=metadata.track_number,
track_total=metadata.track_total,
album_number=metadata.album_number,
album_total=metadata.album_total,
pcm_frames=track.total_frames(),
channels=track.channels(),
sample_rate=track.sample_rate(),
bits_per_sample=track.bits_per_sample())
else:
self.update_metadata(
pcm_frames=track.total_frames(),
channels=track.channels(),
sample_rate=track.sample_rate(),
bits_per_sample=track.bits_per_sample())
self.player.open(track)
if auto_play:
from audiotools.text import LAB_PAUSE_BUTTON
self.player.play()
self.play_pause_button.set_label(LAB_PAUSE_BUTTON)
interactive_available = True
else:
interactive_available = False
class TrackplayTTY(audiotools.ui.PlayerTTY):
def __init__(self, track_list, audio_output,
replay_gain=audiotools.player.RG_NO_REPLAYGAIN):
self.track_index = -1
self.track_list = track_list
audiotools.ui.PlayerTTY.__init__(
self,
audiotools.player.Player(
audio_output=audio_output,
replay_gain=replay_gain,
next_track_callback=self.next_track))
def previous_track(self):
if self.track_index > 0:
self.track_index -= 1
current_track = self.track_list[self.track_index]
self.set_metadata(
track_number=self.track_index + 1,
track_total=len(self.track_list),
channels=current_track.channels(),
sample_rate=current_track.sample_rate(),
bits_per_sample=current_track.bits_per_sample())
self.player.open(current_track)
self.player.play()
def next_track(self):
try:
self.track_index += 1
current_track = self.track_list[self.track_index]
self.set_metadata(
track_number=self.track_index + 1,
track_total=len(self.track_list),
channels=current_track.channels(),
sample_rate=current_track.sample_rate(),
bits_per_sample=current_track.bits_per_sample())
self.player.open(current_track)
self.player.play()
except IndexError:
self.playing_finished = True
if (__name__ == '__main__'):
import argparse
parser = argparse.ArgumentParser(description=_.DESCRIPTION_TRACKPLAY)
parser.add_argument("--version",
action="version",
version="Python Audio Tools %s" % (audiotools.VERSION))
parser.add_argument("-I", "--interactive",
action="store_true",
default=False,
dest="interactive",
help=_.OPT_INTERACTIVE_OPTIONS)
parser.add_argument("-o", "--output",
dest="output",
choices=[player.NAME for player in
audiotools.player.available_outputs()],
default=[player.NAME for player in
audiotools.player.available_outputs()][0],
help=_.OPT_OUTPUT_PLAY)
parser.add_argument("-T", "--track-replaygain",
action="store_true",
default=False,
dest="track_replaygain",
help=_.OPT_PLAYBACK_TRACK_GAIN)
parser.add_argument("-A", "--album-replaygain",
action="store_true",
default=False,
dest="album_replaygain",
help=_.OPT_PLAYBACK_ALBUM_GAIN)
parser.add_argument("--shuffle",
action="store_true",
dest="shuffle",
default=False,
help=_.OPT_SHUFFLE)
parser.add_argument("filenames",
metavar="FILENAME",
nargs="+",
help=_.OPT_INPUT_FILENAME)
options = parser.parse_args()
msg = audiotools.Messenger()
if options.interactive and (not interactive_available):
msg.error(_.ERR_URWID_REQUIRED)
msg.output(_.ERR_GET_URWID1)
msg.output(_.ERR_GET_URWID2)
sys.exit(1)
audiofiles = []
for filename in map(audiotools.Filename, options.filenames):
try:
audiofile = audiotools.open(str(filename))
if audiofile.__class__.supports_to_pcm():
audiofiles.append(audiofile)
else:
msg.warning(_.ERR_UNSUPPORTED_TO_PCM %
{"filename": filename,
"type": audiofile.NAME})
except audiotools.UnsupportedFile:
msg.warning(_.ERR_UNSUPPORTED_FILE % (filename,))
except audiotools.InvalidFile as err:
msg.warning(str(err))
except IOError:
msg.warning(_.ERR_OPEN_IOERROR % (filename,))
if options.shuffle:
import random
random.shuffle(audiofiles)
if options.track_replaygain:
replay_gain = audiotools.player.RG_TRACK_GAIN
elif options.album_replaygain:
replay_gain = audiotools.player.RG_ALBUM_GAIN
else:
replay_gain = audiotools.player.RG_NO_REPLAYGAIN
if options.interactive:
trackplay = TrackplayGUI(
track_list=audiofiles,
audio_output=audiotools.player.open_output(options.output),
replay_gain=replay_gain)
if len(audiofiles) > 0:
trackplay.select_track(None, True,
(audiofiles[0],
audiofiles[0].get_metadata()), False)
loop = urwid.MainLoop(trackplay,
audiotools.ui.style(),
screen=audiotools.ui.Screen(),
unhandled_input=trackplay.handle_text,
pop_ups=True)
loop.set_alarm_at(tm=time.time() + 1,
callback=audiotools.ui.timer,
user_data=trackplay)
try:
loop.run()
msg.ansi_clearscreen()
except (termios.error, IOError):
msg.error(_.ERR_TERMIOS_ERROR)
msg.info(_.ERR_TERMIOS_SUGGESTION)
msg.info(audiotools.ui.xargs_suggestion(sys.argv))
sys.exit(1)
else:
trackplay = TrackplayTTY(
track_list=audiofiles,
audio_output=audiotools.player.open_output(options.output),
replay_gain=replay_gain)
sys.exit(trackplay.run(msg, sys.stdin))
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