xref: /aosp_15_r20/external/webrtc/tools_webrtc/configure_pipewire.py (revision d9f758449e529ab9291ac668be2861e7a55c2422) 
1#!/usr/bin/env vpython3
2# Copyright (c) 2022 The WebRTC project authors. All Rights Reserved.
3#
4# Use of this source code is governed by a BSD-style license
5# that can be found in the LICENSE file in the root of the source
6# tree. An additional intellectual property rights grant can be found
7# in the file PATENTS.  All contributing project authors may
8# be found in the AUTHORS file in the root of the source tree.
9"""
10This script is a wrapper that loads "pipewire" library.
11"""
12
13import os
14import subprocess
15import sys
16
17_SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
18_SRC_DIR = os.path.dirname(_SCRIPT_DIR)
19
20
21def _GetPipeWireDir():
22  pipewire_dir = os.path.join(_SRC_DIR, 'third_party', 'pipewire',
23                              'linux-amd64')
24
25  if not os.path.isdir(pipewire_dir):
26    pipewire_dir = None
27
28  return pipewire_dir
29
30
31def _ConfigurePipeWirePaths(path):
32  library_dir = os.path.join(path, 'lib64')
33  pipewire_binary_dir = os.path.join(path, 'bin')
34  pipewire_config_prefix = os.path.join(path, 'share', 'pipewire')
35  pipewire_module_dir = os.path.join(library_dir, 'pipewire-0.3')
36  spa_plugin_dir = os.path.join(library_dir, 'spa-0.2')
37  media_session_config_dir = os.path.join(pipewire_config_prefix,
38                                          'media-session.d')
39
40  env_vars = os.environ
41  env_vars['LD_LIBRARY_PATH'] = library_dir
42  env_vars['PIPEWIRE_CONFIG_PREFIX'] = pipewire_config_prefix
43  env_vars['PIPEWIRE_MODULE_DIR'] = pipewire_module_dir
44  env_vars['SPA_PLUGIN_DIR'] = spa_plugin_dir
45  env_vars['MEDIA_SESSION_CONFIG_DIR'] = media_session_config_dir
46  env_vars['PIPEWIRE_RUNTIME_DIR'] = '/tmp'
47  env_vars['PATH'] = env_vars['PATH'] + ':' + pipewire_binary_dir
48
49
50def main():
51  pipewire_dir = _GetPipeWireDir()
52
53  if pipewire_dir is None:
54    print('configure-pipewire: Couldn\'t find directory %s' % pipewire_dir)
55    return 1
56
57  _ConfigurePipeWirePaths(pipewire_dir)
58
59  pipewire_process = subprocess.Popen(["pipewire"], stdout=None)
60  pipewire_media_session_process = subprocess.Popen(["pipewire-media-session"],
61                                                    stdout=None)
62
63  return_value = subprocess.call(sys.argv[1:])
64
65  pipewire_media_session_process.terminate()
66  pipewire_process.terminate()
67
68  return return_value
69
70
71if __name__ == '__main__':
72  sys.exit(main())
73