/usr/share/bluemindo/src/media/gstreamer.py is in bluemindo 0.3-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 | # -*- coding: utf-8 -*-
# Bluemindo: A really simple but powerful audio player in Python/PyGTK.
# Copyright (C) 2007-2009 Erwan Briand
# 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 version 3 of the License.
# 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, see <http://www.gnu.org/licenses/>.
from urllib import pathname2url
from os.path import exists
import gst
class GStreamer(object):
ref = None
ref2 = None
def __new__(cls, *args, **kws):
# Singleton
if cls.ref is None:
cls.ref = object.__new__(cls)
return cls.ref
def __init__(self):
if GStreamer.ref2 is None:
GStreamer.ref2 = 42
self.nowplaying = None
self.status = 'NULL'
self.player = None
def set_playback(self, playback):
# Gstreamer initialization
self.playback = playback
try:
vol = self.player.get_property('volume')
force_volume = True
except AttributeError:
force_volume = False
if self.player is None:
self.player = gst.element_factory_make('playbin2', 'bluemindo')
bus = self.player.get_bus()
bus.add_signal_watch()
bus.connect('message', self.on_message)
if force_volume:
self.player.set_property('volume', vol)
def playpause(self, song):
# We want to pause the actual song
if song == None and self.status == 'PLAYING':
self.player.set_state(gst.STATE_PAUSED)
self.status = 'PAUSED'
return self.status
# We want to play the actual song
elif song == None and self.status == 'PAUSED':
self.player.set_state(gst.STATE_PLAYING)
self.status = 'PLAYING'
return self.status
# Nothing have been done
elif song == None and self.status == 'NULL':
self.status = 'NULL'
return self.status
# Huh, we can't do anything
elif song == None and self.status == 'STOP':
return 42
else:
# Launch this song
if self.nowplaying == None:
self.launch(song)
return 'PLAYING'
else:
# The sended song is already playing: pause it
if song == self.nowplaying and self.status == 'PLAYING':
self.player.set_state(gst.STATE_PAUSED)
self.status = 'PAUSED'
return self.status
# The sended song is already pausing: play it
elif song == self.nowplaying and self.status == 'PAUSED':
self.player.set_state(gst.STATE_PLAYING)
self.status = 'PLAYING'
return self.status
# Launch this song
else:
self.stop()
self.launch(song)
return 'STOPPED'
def stop(self):
# Stop listening
self.player.set_state(gst.STATE_NULL)
self.nowplaying = None
self.status = 'STOP'
def launch(self, song):
self.nowplaying = song
# Launch a song by URI
if song is not None and exists(song):
song = pathname2url(song)
self.player.set_property('uri', 'file://' + song)
elif song is not None:
self.player.set_property('uri', song)
self.player.set_state(gst.STATE_PLAYING)
self.status = 'PLAYING'
def getnow(self):
return self.nowplaying
def getstatus(self):
return self.status
def getplayer(self):
return self.player
def getposition(self):
# Return the position in the song
return self.player.query_position(gst.FORMAT_TIME)[0]
def seek(self, seconds):
# Go to a position in the song
value = int(gst.SECOND * seconds)
self.player.seek_simple(gst.FORMAT_TIME, gst.SEEK_FLAG_FLUSH,
value)
def on_message(self, bus, message):
# Handle Gstreamer messages
if self.playback == 'gapless':
return
_type = message.type
if _type == gst.MESSAGE_EOS:
self.player.set_state(gst.STATE_NULL)
self.status = 'NULL'
elif _type == gst.MESSAGE_ERROR:
self.player.set_state(gst.STATE_NULL)
self.nowplaying = None
self.status = 'NULL'
err, debug = message.parse_error()
print 'Error: %s' % err, debug
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