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1# Copyright 2015 The Chromium OS Authors. All rights reserved.
2# Use of this source code is governed by a BSD-style license that can be
3# found in the LICENSE file.
4
5"""This is a server side audio nodes s test using the Chameleon board."""
6
7import os
8import time
9
10from autotest_lib.client.common_lib import error
11from autotest_lib.client.cros.chameleon import audio_test_utils
12from autotest_lib.client.cros.chameleon import chameleon_audio_ids
13from autotest_lib.client.cros.chameleon import chameleon_audio_helper
14from autotest_lib.client.cros.chameleon import chameleon_port_finder
15
16from autotest_lib.client.cros.chameleon import edid as edid_lib
17from autotest_lib.server.cros.audio import audio_test
18from autotest_lib.server.cros.multimedia import remote_facade_factory
19
20
21
22class audio_AudioNodeSwitch(audio_test.AudioTest):
23    """Server side audio test.
24
25    This test talks to a Chameleon board and a Cros device to verify
26    audio nodes switch correctly.
27
28    """
29    version = 1
30    _APPLY_EDID_DELAY = 5
31    _PLUG_DELAY = 5
32    _VOLUMES = {'INTERNAL_SPEAKER': 100,
33                'HEADPHONE': 80,
34                'HDMI': 60,
35                'USB': 40,}
36
37    def check_default_nodes(self):
38        """Checks default audio nodes for devices with onboard audio support."""
39        if audio_test_utils.has_internal_microphone(self.host):
40            audio_test_utils.check_audio_nodes(self.audio_facade,
41                                               (None, ['INTERNAL_MIC']))
42        if audio_test_utils.has_internal_speaker(self.host):
43            audio_test_utils.check_audio_nodes(self.audio_facade,
44                                               (['INTERNAL_SPEAKER'], None))
45
46
47    def set_active_volume_to_node_volume(self, node):
48        """Sets Chrome volume to the specified volume of node.
49
50        @param node: One of node type in self._VOLUMES.
51
52        """
53        self.audio_facade.set_chrome_active_volume(self._VOLUMES[node])
54
55
56    def check_active_node_volume(self, node):
57        """Checks the active node type and checks if its volume is as expected.
58
59        @param node: The expected node.
60
61        @raises: TestFail if node volume is not as expected.
62
63        """
64        # Checks the node type is the active node type.
65        audio_test_utils.check_audio_nodes(self.audio_facade, ([node], None))
66        # Checks if active volume is the node volume.
67        volume, mute = self.audio_facade.get_chrome_active_volume_mute()
68        expected_volume = self._VOLUMES[node]
69        if volume != expected_volume:
70            raise error.TestFail(
71                    'Node %s volume %d != %d' % (node, volume, expected_volume))
72
73
74    def switch_nodes_and_check_volume(self, nodes):
75        """Switches between nodes and check the node volumes.
76
77        @param nodes: A list of node types to check.
78
79        """
80        if len(nodes) == 1:
81            self.check_active_node_volume(nodes[0])
82        for node in nodes:
83            # Switch nodes and check their volume.
84            self.audio_facade.set_chrome_active_node_type(node, None)
85            self.check_active_node_volume(node)
86
87
88    def run_once(self, host, jack_node=False, hdmi_node=False, usb_node=False):
89        self.host = host
90        chameleon_board = host.chameleon
91        audio_board = chameleon_board.get_audio_board()
92        factory = remote_facade_factory.RemoteFacadeFactory(
93                host, results_dir=self.resultsdir)
94
95        chameleon_board.setup_and_reset(self.outputdir)
96        self.audio_facade = factory.create_audio_facade()
97        self.display_facade = factory.create_display_facade()
98
99        self.check_default_nodes()
100        nodes = []
101        if audio_test_utils.has_internal_speaker(self.host):
102            self.set_active_volume_to_node_volume('INTERNAL_SPEAKER')
103            nodes.append('INTERNAL_SPEAKER')
104            self.switch_nodes_and_check_volume(nodes)
105
106
107        if hdmi_node:
108            edid_path = os.path.join(self.bindir,
109                                     'test_data/edids/HDMI_DELL_U2410.txt')
110            finder = chameleon_port_finder.ChameleonVideoInputFinder(
111                chameleon_board, self.display_facade)
112            hdmi_port = finder.find_port('HDMI')
113            hdmi_port.apply_edid(edid_lib.Edid.from_file(edid_path))
114            time.sleep(self._APPLY_EDID_DELAY)
115            hdmi_port.set_plug(True)
116            time.sleep(self._PLUG_DELAY * 2)
117
118            audio_test_utils.check_audio_nodes(self.audio_facade,
119                                               (['HDMI'], None))
120
121            self.set_active_volume_to_node_volume('HDMI')
122            nodes.append('HDMI')
123            self.switch_nodes_and_check_volume(nodes)
124
125        if jack_node:
126            jack_plugger = audio_board.get_jack_plugger()
127            jack_plugger.plug()
128            time.sleep(self._PLUG_DELAY)
129            audio_test_utils.dump_cros_audio_logs(host, self.audio_facade,
130                                                  self.resultsdir)
131            audio_test_utils.check_audio_nodes(self.audio_facade,
132                                               (['HEADPHONE'], ['MIC']))
133
134            self.set_active_volume_to_node_volume('HEADPHONE')
135            nodes.append('HEADPHONE')
136            self.switch_nodes_and_check_volume(nodes)
137
138        if usb_node:
139            widget_factory = chameleon_audio_helper.AudioWidgetFactory(
140                factory, host)
141
142            source = widget_factory.create_widget(
143                chameleon_audio_ids.CrosIds.USBOUT)
144            recorder = widget_factory.create_widget(
145                chameleon_audio_ids.ChameleonIds.USBIN)
146            binder = widget_factory.create_binder(source, recorder)
147
148            with chameleon_audio_helper.bind_widgets(binder):
149                time.sleep(self._PLUG_DELAY)
150                audio_test_utils.check_audio_nodes(self.audio_facade,
151                                                   (['USB'], ['USB']))
152                self.set_active_volume_to_node_volume('USB')
153                nodes.append('USB')
154                self.switch_nodes_and_check_volume(nodes)
155            time.sleep(self._PLUG_DELAY)
156            nodes.remove('USB')
157            self.switch_nodes_and_check_volume(nodes)
158
159        if jack_node:
160            if usb_node:
161                audio_test_utils.check_audio_nodes(self.audio_facade,
162                                                   (['HEADPHONE'], ['MIC']))
163            jack_plugger.unplug()
164            time.sleep(self._PLUG_DELAY)
165            nodes.remove('HEADPHONE')
166            self.switch_nodes_and_check_volume(nodes)
167
168        if hdmi_node:
169            if usb_node or jack_node :
170                audio_test_utils.check_audio_nodes(self.audio_facade,
171                                                   (['HDMI'], None))
172            hdmi_port.set_plug(False)
173            time.sleep(self._PLUG_DELAY)
174            nodes.remove('HDMI')
175            self.switch_nodes_and_check_volume(nodes)
176
177        self.check_default_nodes()
178
179