1#!/usr/bin/env python 

2# This file is part of Xpra. 

3# Copyright (C) 2010-2015 Antoine Martin <antoine@xpra.org> 

4# Xpra is released under the terms of the GNU GPL v2, or, at your option, any 

5# later version. See the file COPYING for details. 

6 

7import sys 

8import os.path 

9 

10from xpra.os_util import WIN32, OSX 

11from xpra.log import Logger 

12log = Logger("sound") 

13 

14default_icon_path = None 

15def set_icon_path(v): 

16 global default_icon_path 

17 default_icon_path = v 

18 

19def add_audio_tagging_env(env_dict=os.environ, icon_path=None): 

20 """ 

21 This is called audio-tagging in PulseAudio, see: 

22 http://pulseaudio.org/wiki/ApplicationProperties 

23 http://0pointer.de/blog/projects/tagging-audio.html 

24 """ 

25 from xpra.version_util import XPRA_VERSION 

26 env_dict.update({ 

27 "PULSE_PROP_application.name" : "xpra", 

28 "PULSE_PROP_application.id" : "xpra", 

29 "PULSE_PROP_application.version" : XPRA_VERSION, 

30 "PULSE_PROP_media.role" : "music", 

31 }) 

32 if not icon_path: 

33 icon_path = default_icon_path 

34 if icon_path and os.path.exists(icon_path): 

35 env_dict["PULSE_PROP_application.icon_name"] = str(icon_path) 

36 

37 

38try: 

39 #use "none" on win32 and osx: 

40 if WIN32 or OSX: 

41 from xpra.sound.pulseaudio import pulseaudio_none_util as _pulseaudio_util 

42 else: 

43 from xpra.sound.pulseaudio import pulseaudio_pactl_util as _pulseaudio_util 

44except ImportError as e: 

45 #fallback forks a process and parses the output: 

46 log("cannot import default pulseaudio util: %s", e) 

47 log("using pulseaudio none fallback") 

48 del e 

49 from xpra.sound.pulseaudio import pulseaudio_none_util as _pulseaudio_util 

50 

51get_info = _pulseaudio_util.get_info 

52has_pa = _pulseaudio_util.has_pa 

53get_pa_device_options = _pulseaudio_util.get_pa_device_options 

54get_default_sink = _pulseaudio_util.get_default_sink 

55get_pulse_server = _pulseaudio_util.get_pulse_server 

56get_pulse_id = _pulseaudio_util.get_pulse_id 

57get_pulse_cookie_hash = _pulseaudio_util.get_pulse_cookie_hash 

58get_pactl_server = _pulseaudio_util.get_pactl_server 

59set_source_mute = _pulseaudio_util.set_source_mute 

60set_sink_mute = _pulseaudio_util.set_sink_mute 

61 

62 

63def main(): 

64 from xpra.platform import program_context 

65 from xpra.log import enable_color 

66 from xpra.util import print_nested_dict 

67 with program_context("Pulseaudio-Info"): 

68 enable_color() 

69 if "-v" in sys.argv or "--verbose" in sys.argv: 

70 log.enable_debug() 

71 i = get_info() 

72 print_nested_dict(i) 

73 

74 

75if __name__ == "__main__": 

76 main()