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
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
|
/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include "DeviceDescriptor.h"
#include "HwModule.h"
#include "audio_policy_conf.h"
#include <system/audio.h>
#include <utils/Log.h>
#include <utils/Vector.h>
#include <utils/SortedVector.h>
#include <cutils/config_utils.h>
#include <utils/RefBase.h>
#include <system/audio_policy.h>
namespace android {
// ----------------------------------------------------------------------------
// Definitions for audio_policy.conf file parsing
// ----------------------------------------------------------------------------
struct StringToEnum {
const char *name;
uint32_t value;
};
// TODO: move to a separate file. Should be in sync with audio.h.
#define STRING_TO_ENUM(string) { #string, (uint32_t)string } // uint32_t cast removes warning
#define NAME_TO_ENUM(name, value) { name, value }
#ifndef ARRAY_SIZE
#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
#endif
const StringToEnum sDeviceTypeToEnumTable[] = {
STRING_TO_ENUM(AUDIO_DEVICE_OUT_EARPIECE),
STRING_TO_ENUM(AUDIO_DEVICE_OUT_SPEAKER),
STRING_TO_ENUM(AUDIO_DEVICE_OUT_SPEAKER_SAFE),
STRING_TO_ENUM(AUDIO_DEVICE_OUT_WIRED_HEADSET),
STRING_TO_ENUM(AUDIO_DEVICE_OUT_WIRED_HEADPHONE),
STRING_TO_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_SCO),
STRING_TO_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET),
STRING_TO_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT),
STRING_TO_ENUM(AUDIO_DEVICE_OUT_ALL_SCO),
STRING_TO_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_A2DP),
STRING_TO_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES),
STRING_TO_ENUM(AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER),
STRING_TO_ENUM(AUDIO_DEVICE_OUT_ALL_A2DP),
STRING_TO_ENUM(AUDIO_DEVICE_OUT_AUX_DIGITAL),
STRING_TO_ENUM(AUDIO_DEVICE_OUT_HDMI),
STRING_TO_ENUM(AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET),
STRING_TO_ENUM(AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET),
STRING_TO_ENUM(AUDIO_DEVICE_OUT_USB_ACCESSORY),
STRING_TO_ENUM(AUDIO_DEVICE_OUT_USB_DEVICE),
STRING_TO_ENUM(AUDIO_DEVICE_OUT_ALL_USB),
STRING_TO_ENUM(AUDIO_DEVICE_OUT_REMOTE_SUBMIX),
STRING_TO_ENUM(AUDIO_DEVICE_OUT_TELEPHONY_TX),
STRING_TO_ENUM(AUDIO_DEVICE_OUT_LINE),
STRING_TO_ENUM(AUDIO_DEVICE_OUT_HDMI_ARC),
STRING_TO_ENUM(AUDIO_DEVICE_OUT_SPDIF),
STRING_TO_ENUM(AUDIO_DEVICE_OUT_FM),
STRING_TO_ENUM(AUDIO_DEVICE_OUT_AUX_LINE),
STRING_TO_ENUM(AUDIO_DEVICE_OUT_IP),
#ifdef AUDIO_EXTN_AFE_PROXY_ENABLED
STRING_TO_ENUM(AUDIO_DEVICE_OUT_PROXY),
#endif
STRING_TO_ENUM(AUDIO_DEVICE_IN_AMBIENT),
STRING_TO_ENUM(AUDIO_DEVICE_IN_BUILTIN_MIC),
STRING_TO_ENUM(AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET),
STRING_TO_ENUM(AUDIO_DEVICE_IN_ALL_SCO),
STRING_TO_ENUM(AUDIO_DEVICE_IN_WIRED_HEADSET),
STRING_TO_ENUM(AUDIO_DEVICE_IN_AUX_DIGITAL),
STRING_TO_ENUM(AUDIO_DEVICE_IN_HDMI),
STRING_TO_ENUM(AUDIO_DEVICE_IN_TELEPHONY_RX),
STRING_TO_ENUM(AUDIO_DEVICE_IN_VOICE_CALL),
STRING_TO_ENUM(AUDIO_DEVICE_IN_BACK_MIC),
STRING_TO_ENUM(AUDIO_DEVICE_IN_REMOTE_SUBMIX),
STRING_TO_ENUM(AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET),
STRING_TO_ENUM(AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET),
STRING_TO_ENUM(AUDIO_DEVICE_IN_USB_ACCESSORY),
STRING_TO_ENUM(AUDIO_DEVICE_IN_USB_DEVICE),
STRING_TO_ENUM(AUDIO_DEVICE_IN_FM_TUNER),
STRING_TO_ENUM(AUDIO_DEVICE_IN_TV_TUNER),
STRING_TO_ENUM(AUDIO_DEVICE_IN_LINE),
STRING_TO_ENUM(AUDIO_DEVICE_IN_SPDIF),
STRING_TO_ENUM(AUDIO_DEVICE_IN_BLUETOOTH_A2DP),
STRING_TO_ENUM(AUDIO_DEVICE_IN_LOOPBACK),
STRING_TO_ENUM(AUDIO_DEVICE_IN_IP),
};
const StringToEnum sDeviceNameToEnumTable[] = {
NAME_TO_ENUM("Earpiece", AUDIO_DEVICE_OUT_EARPIECE),
NAME_TO_ENUM("Speaker", AUDIO_DEVICE_OUT_SPEAKER),
NAME_TO_ENUM("Speaker Protected", AUDIO_DEVICE_OUT_SPEAKER_SAFE),
NAME_TO_ENUM("Wired Headset", AUDIO_DEVICE_OUT_WIRED_HEADSET),
NAME_TO_ENUM("Wired Headphones", AUDIO_DEVICE_OUT_WIRED_HEADPHONE),
NAME_TO_ENUM("BT SCO", AUDIO_DEVICE_OUT_BLUETOOTH_SCO),
NAME_TO_ENUM("BT SCO Headset", AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET),
NAME_TO_ENUM("BT SCO Car Kit", AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT),
NAME_TO_ENUM("", AUDIO_DEVICE_OUT_ALL_SCO),
NAME_TO_ENUM("BT A2DP Out", AUDIO_DEVICE_OUT_BLUETOOTH_A2DP),
NAME_TO_ENUM("BT A2DP Headphones", AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES),
NAME_TO_ENUM("BT A2DP Speaker", AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER),
NAME_TO_ENUM("", AUDIO_DEVICE_OUT_ALL_A2DP),
NAME_TO_ENUM("HDMI Out", AUDIO_DEVICE_OUT_AUX_DIGITAL),
NAME_TO_ENUM("HDMI Out", AUDIO_DEVICE_OUT_HDMI),
NAME_TO_ENUM("Analog Dock Out", AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET),
NAME_TO_ENUM("Digital Dock Out", AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET),
NAME_TO_ENUM("USB Host Out", AUDIO_DEVICE_OUT_USB_ACCESSORY),
NAME_TO_ENUM("USB Device Out", AUDIO_DEVICE_OUT_USB_DEVICE),
NAME_TO_ENUM("", AUDIO_DEVICE_OUT_ALL_USB),
NAME_TO_ENUM("Reroute Submix Out", AUDIO_DEVICE_OUT_REMOTE_SUBMIX),
NAME_TO_ENUM("Telephony Tx", AUDIO_DEVICE_OUT_TELEPHONY_TX),
NAME_TO_ENUM("Line Out", AUDIO_DEVICE_OUT_LINE),
NAME_TO_ENUM("HDMI ARC Out", AUDIO_DEVICE_OUT_HDMI_ARC),
NAME_TO_ENUM("S/PDIF Out", AUDIO_DEVICE_OUT_SPDIF),
NAME_TO_ENUM("FM transceiver Out", AUDIO_DEVICE_OUT_FM),
NAME_TO_ENUM("Aux Line Out", AUDIO_DEVICE_OUT_AUX_LINE),
NAME_TO_ENUM("IP Out", AUDIO_DEVICE_OUT_IP),
NAME_TO_ENUM("Ambient Mic", AUDIO_DEVICE_IN_AMBIENT),
NAME_TO_ENUM("Built-In Mic", AUDIO_DEVICE_IN_BUILTIN_MIC),
NAME_TO_ENUM("BT SCO Headset Mic", AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET),
NAME_TO_ENUM("", AUDIO_DEVICE_IN_ALL_SCO),
NAME_TO_ENUM("Wired Headset Mic", AUDIO_DEVICE_IN_WIRED_HEADSET),
NAME_TO_ENUM("HDMI In", AUDIO_DEVICE_IN_AUX_DIGITAL),
NAME_TO_ENUM("HDMI In", AUDIO_DEVICE_IN_HDMI),
NAME_TO_ENUM("Telephony Rx", AUDIO_DEVICE_IN_TELEPHONY_RX),
NAME_TO_ENUM("Telephony Rx", AUDIO_DEVICE_IN_VOICE_CALL),
NAME_TO_ENUM("Built-In Back Mic", AUDIO_DEVICE_IN_BACK_MIC),
NAME_TO_ENUM("Reroute Submix In", AUDIO_DEVICE_IN_REMOTE_SUBMIX),
NAME_TO_ENUM("Analog Dock In", AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET),
NAME_TO_ENUM("Digital Dock In", AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET),
NAME_TO_ENUM("USB Host In", AUDIO_DEVICE_IN_USB_ACCESSORY),
NAME_TO_ENUM("USB Device In", AUDIO_DEVICE_IN_USB_DEVICE),
NAME_TO_ENUM("FM Tuner In", AUDIO_DEVICE_IN_FM_TUNER),
NAME_TO_ENUM("TV Tuner In", AUDIO_DEVICE_IN_TV_TUNER),
NAME_TO_ENUM("Line In", AUDIO_DEVICE_IN_LINE),
NAME_TO_ENUM("S/PDIF In", AUDIO_DEVICE_IN_SPDIF),
NAME_TO_ENUM("BT A2DP In", AUDIO_DEVICE_IN_BLUETOOTH_A2DP),
NAME_TO_ENUM("Loopback In", AUDIO_DEVICE_IN_LOOPBACK),
NAME_TO_ENUM("IP In", AUDIO_DEVICE_IN_IP),
};
const StringToEnum sOutputFlagNameToEnumTable[] = {
STRING_TO_ENUM(AUDIO_OUTPUT_FLAG_DIRECT),
STRING_TO_ENUM(AUDIO_OUTPUT_FLAG_DIRECT_PCM),
STRING_TO_ENUM(AUDIO_OUTPUT_FLAG_PRIMARY),
STRING_TO_ENUM(AUDIO_OUTPUT_FLAG_FAST),
STRING_TO_ENUM(AUDIO_OUTPUT_FLAG_DEEP_BUFFER),
STRING_TO_ENUM(AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD),
STRING_TO_ENUM(AUDIO_OUTPUT_FLAG_NON_BLOCKING),
STRING_TO_ENUM(AUDIO_OUTPUT_FLAG_HW_AV_SYNC),
STRING_TO_ENUM(AUDIO_OUTPUT_FLAG_TTS),
STRING_TO_ENUM(AUDIO_OUTPUT_FLAG_RAW),
STRING_TO_ENUM(AUDIO_OUTPUT_FLAG_SYNC),
};
const StringToEnum sInputFlagNameToEnumTable[] = {
STRING_TO_ENUM(AUDIO_INPUT_FLAG_FAST),
STRING_TO_ENUM(AUDIO_INPUT_FLAG_HW_HOTWORD),
STRING_TO_ENUM(AUDIO_INPUT_FLAG_RAW),
STRING_TO_ENUM(AUDIO_INPUT_FLAG_SYNC),
};
const StringToEnum sFormatNameToEnumTable[] = {
STRING_TO_ENUM(AUDIO_FORMAT_PCM_16_BIT),
STRING_TO_ENUM(AUDIO_FORMAT_PCM_8_BIT),
STRING_TO_ENUM(AUDIO_FORMAT_PCM_32_BIT),
STRING_TO_ENUM(AUDIO_FORMAT_PCM_8_24_BIT),
STRING_TO_ENUM(AUDIO_FORMAT_PCM_FLOAT),
STRING_TO_ENUM(AUDIO_FORMAT_PCM_24_BIT_PACKED),
STRING_TO_ENUM(AUDIO_FORMAT_MP3),
STRING_TO_ENUM(AUDIO_FORMAT_AAC),
STRING_TO_ENUM(AUDIO_FORMAT_AAC_MAIN),
STRING_TO_ENUM(AUDIO_FORMAT_AAC_LC),
STRING_TO_ENUM(AUDIO_FORMAT_AAC_SSR),
STRING_TO_ENUM(AUDIO_FORMAT_AAC_LTP),
STRING_TO_ENUM(AUDIO_FORMAT_AAC_HE_V1),
STRING_TO_ENUM(AUDIO_FORMAT_AAC_SCALABLE),
STRING_TO_ENUM(AUDIO_FORMAT_AAC_ERLC),
STRING_TO_ENUM(AUDIO_FORMAT_AAC_LD),
STRING_TO_ENUM(AUDIO_FORMAT_AAC_HE_V2),
STRING_TO_ENUM(AUDIO_FORMAT_AAC_ELD),
STRING_TO_ENUM(AUDIO_FORMAT_VORBIS),
STRING_TO_ENUM(AUDIO_FORMAT_HE_AAC_V1),
STRING_TO_ENUM(AUDIO_FORMAT_HE_AAC_V2),
STRING_TO_ENUM(AUDIO_FORMAT_OPUS),
STRING_TO_ENUM(AUDIO_FORMAT_AC3),
STRING_TO_ENUM(AUDIO_FORMAT_E_AC3),
STRING_TO_ENUM(AUDIO_FORMAT_DTS),
STRING_TO_ENUM(AUDIO_FORMAT_DTS_HD),
#ifdef FLAC_OFFLOAD_ENABLED
STRING_TO_ENUM(AUDIO_FORMAT_FLAC),
#endif
#ifdef WMA_OFFLOAD_ENABLED
STRING_TO_ENUM(AUDIO_FORMAT_WMA),
STRING_TO_ENUM(AUDIO_FORMAT_WMA_PRO),
#endif
STRING_TO_ENUM(AUDIO_FORMAT_PCM_16_BIT_OFFLOAD),
STRING_TO_ENUM(AUDIO_FORMAT_PCM_24_BIT_OFFLOAD),
#ifdef ALAC_OFFLOAD_ENABLED
STRING_TO_ENUM(AUDIO_FORMAT_ALAC),
#endif
#ifdef APE_OFFLOAD_ENABLED
STRING_TO_ENUM(AUDIO_FORMAT_APE),
#endif
};
const StringToEnum sOutChannelsNameToEnumTable[] = {
STRING_TO_ENUM(AUDIO_CHANNEL_OUT_MONO),
STRING_TO_ENUM(AUDIO_CHANNEL_OUT_STEREO),
STRING_TO_ENUM(AUDIO_CHANNEL_OUT_QUAD),
STRING_TO_ENUM(AUDIO_CHANNEL_OUT_5POINT1),
STRING_TO_ENUM(AUDIO_CHANNEL_OUT_7POINT1),
STRING_TO_ENUM(AUDIO_CHANNEL_OUT_2POINT1),
STRING_TO_ENUM(AUDIO_CHANNEL_OUT_SURROUND),
STRING_TO_ENUM(AUDIO_CHANNEL_OUT_PENTA),
STRING_TO_ENUM(AUDIO_CHANNEL_OUT_6POINT1),
};
const StringToEnum sInChannelsNameToEnumTable[] = {
STRING_TO_ENUM(AUDIO_CHANNEL_IN_MONO),
STRING_TO_ENUM(AUDIO_CHANNEL_IN_STEREO),
STRING_TO_ENUM(AUDIO_CHANNEL_IN_FRONT_BACK),
STRING_TO_ENUM(AUDIO_CHANNEL_IN_5POINT1),
};
const StringToEnum sIndexChannelsNameToEnumTable[] = {
STRING_TO_ENUM(AUDIO_CHANNEL_INDEX_MASK_1),
STRING_TO_ENUM(AUDIO_CHANNEL_INDEX_MASK_2),
STRING_TO_ENUM(AUDIO_CHANNEL_INDEX_MASK_3),
STRING_TO_ENUM(AUDIO_CHANNEL_INDEX_MASK_4),
STRING_TO_ENUM(AUDIO_CHANNEL_INDEX_MASK_5),
STRING_TO_ENUM(AUDIO_CHANNEL_INDEX_MASK_6),
STRING_TO_ENUM(AUDIO_CHANNEL_INDEX_MASK_7),
STRING_TO_ENUM(AUDIO_CHANNEL_INDEX_MASK_8),
};
const StringToEnum sGainModeNameToEnumTable[] = {
STRING_TO_ENUM(AUDIO_GAIN_MODE_JOINT),
STRING_TO_ENUM(AUDIO_GAIN_MODE_CHANNELS),
STRING_TO_ENUM(AUDIO_GAIN_MODE_RAMP),
};
class ConfigParsingUtils
{
public:
static uint32_t stringToEnum(const struct StringToEnum *table,
size_t size,
const char *name);
static const char *enumToString(const struct StringToEnum *table,
size_t size,
uint32_t value);
static bool stringToBool(const char *value);
static uint32_t parseOutputFlagNames(char *name);
static uint32_t parseInputFlagNames(char *name);
static audio_devices_t parseDeviceNames(char *name);
static void loadHwModules(cnode *root, HwModuleCollection &hwModules,
DeviceVector &availableInputDevices,
DeviceVector &availableOutputDevices,
sp<DeviceDescriptor> &defaultOutputDevices,
bool &isSpeakerDrcEnabled);
static void loadGlobalConfig(cnode *root, const sp<HwModule>& module,
DeviceVector &availableInputDevices,
DeviceVector &availableOutputDevices,
sp<DeviceDescriptor> &defaultOutputDevices,
bool &isSpeakerDrcEnabled);
static status_t loadAudioPolicyConfig(const char *path,
HwModuleCollection &hwModules,
DeviceVector &availableInputDevices,
DeviceVector &availableOutputDevices,
sp<DeviceDescriptor> &defaultOutputDevices,
bool &isSpeakerDrcEnabled);
private:
static void loadHwModule(cnode *root, HwModuleCollection &hwModules,
DeviceVector &availableInputDevices,
DeviceVector &availableOutputDevices,
sp<DeviceDescriptor> &defaultOutputDevices,
bool &isSpeakerDrcEnabled);
};
}; // namespace android
|
