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
|
#!/usr/bin/env python3
'''
This class is used to handle sound messages from gmoccapy,
it is just a copy of a class from gscreen and has been slightly modified
Copyright 2014 Norbert Schechner
nieson@web.de
original Author = Chris Morley
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 gi
from gi.repository import GLib
from qtvcp import logger
LOG = logger.getLogger(__name__)
# Force the log level for this module
#LOG.setLevel(logger.INFO) # One of DEBUG, INFO, WARNING, ERROR, CRITICAL# attempt to setup audio
try:
gi.require_version('Gst', '1.0')
from gi.repository import Gst
except:
LOG.warning("Gst module missing, - is package python3-gst installed?")
raise Exception("module missing")
# the player class does the work of playing the audio hints
# http://pygstdocs.berlios.de/pygst-tutorial/introduction.html
class Player:
def __init__(self):
Gst.init(None)
# Element playbin automatic plays any file
self.player = Gst.ElementFactory.make("playbin", "player")
# Enable message bus to check for errors in the pipeline
bus = self.player.get_bus()
bus.add_signal_watch()
bus.connect("message", self.on_message)
self.loop = GLib.MainLoop()
def run(self):
self.player.set_state(Gst.State.PLAYING)
self.loop.run()
def set_sound(self, file):
# Set the uri to the file
self.player.set_property("uri", "file://" + file)
def on_message(self, bus, message):
t = message.type
if t == Gst.MessageType.EOS:
# file ended, stop
self.player.set_state(Gst.State.NULL)
self.loop.quit()
elif t == Gst.MessageType.ERROR:
# Error occurred, print and stop
self.player.set_state(Gst.State.NULL)
err, debug = message.parse_error()
print ("Error: %s" % err, debug)
self.loop.quit()
|
