1<?xml version="1.0" encoding="UTF-8"?> 2<!-- Copyright (C) 2017 The Android Open Source Project 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15--> 16<!-- TODO: define a targetNamespace. Note that it will break retrocompatibility --> 17<xs:schema version="2.0" 18 elementFormDefault="qualified" 19 attributeFormDefault="unqualified" 20 xmlns:xs="http://www.w3.org/2001/XMLSchema"> 21 <!-- List the config versions supported by audio policy. --> 22 <xs:simpleType name="version"> 23 <xs:restriction base="xs:decimal"> 24 <xs:enumeration value="1.0"/> 25 </xs:restriction> 26 </xs:simpleType> 27 <xs:simpleType name="halVersion"> 28 <xs:annotation> 29 <xs:documentation xml:lang="en"> 30 Version of the interface the hal implements. 31 </xs:documentation> 32 </xs:annotation> 33 <xs:restriction base="xs:decimal"> 34 <!-- List of HAL versions supported by the framework. --> 35 <xs:enumeration value="2.0"/> 36 <xs:enumeration value="3.0"/> 37 </xs:restriction> 38 </xs:simpleType> 39 <xs:element name="audioPolicyConfiguration"> 40 <xs:complexType> 41 <xs:sequence> 42 <xs:element name="globalConfiguration" type="globalConfiguration"/> 43 <xs:element name="modules" type="modules" maxOccurs="unbounded"/> 44 <xs:element name="volumes" type="volumes" maxOccurs="unbounded"/> 45 <xs:element name="surroundSound" type="surroundSound" minOccurs="0" /> 46 </xs:sequence> 47 <xs:attribute name="version" type="version"/> 48 </xs:complexType> 49 <xs:key name="moduleNameKey"> 50 <xs:selector xpath="modules/module"/> 51 <xs:field xpath="@name"/> 52 </xs:key> 53 <xs:unique name="volumeTargetUniqueness"> 54 <xs:selector xpath="volumes/volume"/> 55 <xs:field xpath="@stream"/> 56 <xs:field xpath="@deviceCategory"/> 57 </xs:unique> 58 <xs:key name="volumeCurveNameKey"> 59 <xs:selector xpath="volumes/reference"/> 60 <xs:field xpath="@name"/> 61 </xs:key> 62 <xs:keyref name="volumeCurveRef" refer="volumeCurveNameKey"> 63 <xs:selector xpath="volumes/volume"/> 64 <xs:field xpath="@ref"/> 65 </xs:keyref> 66 </xs:element> 67 <xs:complexType name="globalConfiguration"> 68 <xs:attribute name="speaker_drc_enabled" type="xs:boolean" use="required"/> 69 </xs:complexType> 70 <xs:complexType name="modules"> 71 <xs:annotation> 72 <xs:documentation xml:lang="en"> 73 There should be one section per audio HW module present on the platform. 74 Each <module/> contains two mandatory tags: “halVersion” and “name”. 75 The module "name" is the same as in previous .conf file. 76 Each module must contain the following sections: 77 - <devicePorts/>: a list of device descriptors for all 78 input and output devices accessible via this module. 79 This contains both permanently attached devices and removable devices. 80 - <mixPorts/>: listing all output and input streams exposed by the audio HAL 81 - <routes/>: list of possible connections between input 82 and output devices or between stream and devices. 83 A <route/> is defined by a set of 3 attributes: 84 -"type": mux|mix means all sources are mutual exclusive (mux) or can be mixed (mix) 85 -"sink": the sink involved in this route 86 -"sources": all the sources than can be connected to the sink via this route 87 - <attachedDevices/>: permanently attached devices. 88 The attachedDevices section is a list of devices names. 89 Their names correspond to device names defined in "devicePorts" section. 90 - <defaultOutputDevice/> is the device to be used when no policy rule applies 91 </xs:documentation> 92 </xs:annotation> 93 <xs:sequence> 94 <xs:element name="module" maxOccurs="unbounded"> 95 <xs:complexType> 96 <xs:sequence> 97 <xs:element name="attachedDevices" type="attachedDevices" minOccurs="0"> 98 <xs:unique name="attachedDevicesUniqueness"> 99 <xs:selector xpath="item"/> 100 <xs:field xpath="."/> 101 </xs:unique> 102 </xs:element> 103 <xs:element name="defaultOutputDevice" type="xs:token" minOccurs="0"/> 104 <xs:element name="mixPorts" type="mixPorts" minOccurs="0"/> 105 <xs:element name="devicePorts" type="devicePorts" minOccurs="0"/> 106 <xs:element name="routes" type="routes" minOccurs="0"/> 107 </xs:sequence> 108 <xs:attribute name="name" type="xs:string" use="required"/> 109 <xs:attribute name="halVersion" type="halVersion" use="required"/> 110 </xs:complexType> 111 <xs:unique name="mixPortNameUniqueness"> 112 <xs:selector xpath="mixPorts/mixPort"/> 113 <xs:field xpath="@name"/> 114 </xs:unique> 115 <xs:key name="devicePortNameKey"> 116 <xs:selector xpath="devicePorts/devicePort"/> 117 <xs:field xpath="@tagName"/> 118 </xs:key> 119 <xs:unique name="devicePortUniqueness"> 120 <xs:selector xpath="devicePorts/devicePort"/> 121 <xs:field xpath="@type"/> 122 <xs:field xpath="@address"/> 123 </xs:unique> 124 <xs:keyref name="defaultOutputDeviceRef" refer="devicePortNameKey"> 125 <xs:selector xpath="defaultOutputDevice"/> 126 <xs:field xpath="."/> 127 </xs:keyref> 128 <xs:keyref name="attachedDeviceRef" refer="devicePortNameKey"> 129 <xs:selector xpath="attachedDevices/item"/> 130 <xs:field xpath="."/> 131 </xs:keyref> 132 <!-- The following 3 constraints try to make sure each sink port 133 is reference in one an only one route. --> 134 <xs:key name="routeSinkKey"> 135 <!-- predicate [@type='sink'] does not work in xsd 1.0 --> 136 <xs:selector xpath="devicePorts/devicePort|mixPorts/mixPort"/> 137 <xs:field xpath="@tagName|@name"/> 138 </xs:key> 139 <xs:keyref name="routeSinkRef" refer="routeSinkKey"> 140 <xs:selector xpath="routes/route"/> 141 <xs:field xpath="@sink"/> 142 </xs:keyref> 143 <xs:unique name="routeUniqueness"> 144 <xs:selector xpath="routes/route"/> 145 <xs:field xpath="@sink"/> 146 </xs:unique> 147 </xs:element> 148 </xs:sequence> 149 </xs:complexType> 150 <xs:complexType name="attachedDevices"> 151 <xs:sequence> 152 <xs:element name="item" type="xs:token" minOccurs="0" maxOccurs="unbounded"/> 153 </xs:sequence> 154 </xs:complexType> 155 <!-- TODO: separate values by space for better xsd validations. --> 156 <xs:simpleType name="audioInOutFlags"> 157 <xs:annotation> 158 <xs:documentation xml:lang="en"> 159 "|" separated list of audio_output_flags_t or audio_input_flags_t. 160 </xs:documentation> 161 </xs:annotation> 162 <xs:restriction base="xs:string"> 163 <xs:pattern value="|[_A-Z]+(\|[_A-Z]+)*"/> 164 </xs:restriction> 165 </xs:simpleType> 166 <xs:simpleType name="role"> 167 <xs:restriction base="xs:string"> 168 <xs:enumeration value="sink"/> 169 <xs:enumeration value="source"/> 170 </xs:restriction> 171 </xs:simpleType> 172 <xs:complexType name="mixPorts"> 173 <xs:sequence> 174 <xs:element name="mixPort" minOccurs="0" maxOccurs="unbounded"> 175 <xs:complexType> 176 <xs:sequence> 177 <xs:element name="profile" type="profile" minOccurs="0" maxOccurs="unbounded"/> 178 <xs:element name="gains" type="gains" minOccurs="0"/> 179 </xs:sequence> 180 <xs:attribute name="name" type="xs:token" use="required"/> 181 <xs:attribute name="role" type="role" use="required"/> 182 <xs:attribute name="flags" type="audioInOutFlags"/> 183 <xs:attribute name="maxOpenCount" type="xs:unsignedInt"/> 184 <xs:attribute name="maxActiveCount" type="xs:unsignedInt"/> 185 <xs:attribute name="preferredUsage" type="audioUsageList"> 186 <xs:annotation> 187 <xs:documentation xml:lang="en"> 188 When choosing the mixPort of an audio track, the audioPolicy 189 first considers the mixPorts with a preferredUsage including 190 the track AudioUsage preferred . 191 If non support the track format, the other mixPorts are considered. 192 Eg: a <mixPort preferredUsage="AUDIO_USAGE_MEDIA" /> will receive 193 the audio of all apps playing with a MEDIA usage. 194 It may receive audio from ALARM if there are no audio compatible 195 <mixPort preferredUsage="AUDIO_USAGE_ALARM" />. 196 </xs:documentation> 197 </xs:annotation> 198 </xs:attribute> 199 </xs:complexType> 200 <xs:unique name="mixPortProfileUniqueness"> 201 <xs:selector xpath="profile"/> 202 <xs:field xpath="format"/> 203 <xs:field xpath="samplingRate"/> 204 <xs:field xpath="channelMasks"/> 205 </xs:unique> 206 <xs:unique name="mixPortGainUniqueness"> 207 <xs:selector xpath="gains/gain"/> 208 <xs:field xpath="@name"/> 209 </xs:unique> 210 </xs:element> 211 </xs:sequence> 212 </xs:complexType> 213 <!-- Enum values of audio_device_t in audio.h 214 TODO: generate from hidl to avoid manual sync. 215 TODO: separate source and sink in the xml for better xsd validations. --> 216 <xs:simpleType name="audioDevice"> 217 <xs:restriction base="xs:string"> 218 <xs:enumeration value="AUDIO_DEVICE_NONE"/> 219 220 <xs:enumeration value="AUDIO_DEVICE_OUT_EARPIECE"/> 221 <xs:enumeration value="AUDIO_DEVICE_OUT_SPEAKER"/> 222 <xs:enumeration value="AUDIO_DEVICE_OUT_WIRED_HEADSET"/> 223 <xs:enumeration value="AUDIO_DEVICE_OUT_WIRED_HEADPHONE"/> 224 <xs:enumeration value="AUDIO_DEVICE_OUT_BLUETOOTH_SCO"/> 225 <xs:enumeration value="AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET"/> 226 <xs:enumeration value="AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT"/> 227 <xs:enumeration value="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP"/> 228 <xs:enumeration value="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES"/> 229 <xs:enumeration value="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER"/> 230 <xs:enumeration value="AUDIO_DEVICE_OUT_AUX_DIGITAL"/> 231 <xs:enumeration value="AUDIO_DEVICE_OUT_HDMI"/> 232 <xs:enumeration value="AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET"/> 233 <xs:enumeration value="AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET"/> 234 <xs:enumeration value="AUDIO_DEVICE_OUT_USB_ACCESSORY"/> 235 <xs:enumeration value="AUDIO_DEVICE_OUT_USB_DEVICE"/> 236 <xs:enumeration value="AUDIO_DEVICE_OUT_REMOTE_SUBMIX"/> 237 <xs:enumeration value="AUDIO_DEVICE_OUT_TELEPHONY_TX"/> 238 <xs:enumeration value="AUDIO_DEVICE_OUT_LINE"/> 239 <xs:enumeration value="AUDIO_DEVICE_OUT_HDMI_ARC"/> 240 <xs:enumeration value="AUDIO_DEVICE_OUT_SPDIF"/> 241 <xs:enumeration value="AUDIO_DEVICE_OUT_FM"/> 242 <xs:enumeration value="AUDIO_DEVICE_OUT_AUX_LINE"/> 243 <xs:enumeration value="AUDIO_DEVICE_OUT_SPEAKER_SAFE"/> 244 <xs:enumeration value="AUDIO_DEVICE_OUT_IP"/> 245 <xs:enumeration value="AUDIO_DEVICE_OUT_BUS"/> 246 <xs:enumeration value="AUDIO_DEVICE_OUT_PROXY"/> 247 <xs:enumeration value="AUDIO_DEVICE_OUT_USB_HEADSET"/> 248 <xs:enumeration value="AUDIO_DEVICE_OUT_HEARING_AID"/> 249 <xs:enumeration value="AUDIO_DEVICE_OUT_ECHO_CANCELLER"/> 250 <xs:enumeration value="AUDIO_DEVICE_OUT_DEFAULT"/> 251 <xs:enumeration value="AUDIO_DEVICE_OUT_STUB"/> 252 253 <!-- Due to the xml format, IN types can not be a separated from OUT types --> 254 <xs:enumeration value="AUDIO_DEVICE_IN_COMMUNICATION"/> 255 <xs:enumeration value="AUDIO_DEVICE_IN_AMBIENT"/> 256 <xs:enumeration value="AUDIO_DEVICE_IN_BUILTIN_MIC"/> 257 <xs:enumeration value="AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET"/> 258 <xs:enumeration value="AUDIO_DEVICE_IN_WIRED_HEADSET"/> 259 <xs:enumeration value="AUDIO_DEVICE_IN_AUX_DIGITAL"/> 260 <xs:enumeration value="AUDIO_DEVICE_IN_HDMI"/> 261 <xs:enumeration value="AUDIO_DEVICE_IN_VOICE_CALL"/> 262 <xs:enumeration value="AUDIO_DEVICE_IN_TELEPHONY_RX"/> 263 <xs:enumeration value="AUDIO_DEVICE_IN_BACK_MIC"/> 264 <xs:enumeration value="AUDIO_DEVICE_IN_REMOTE_SUBMIX"/> 265 <xs:enumeration value="AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET"/> 266 <xs:enumeration value="AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET"/> 267 <xs:enumeration value="AUDIO_DEVICE_IN_USB_ACCESSORY"/> 268 <xs:enumeration value="AUDIO_DEVICE_IN_USB_DEVICE"/> 269 <xs:enumeration value="AUDIO_DEVICE_IN_FM_TUNER"/> 270 <xs:enumeration value="AUDIO_DEVICE_IN_TV_TUNER"/> 271 <xs:enumeration value="AUDIO_DEVICE_IN_LINE"/> 272 <xs:enumeration value="AUDIO_DEVICE_IN_SPDIF"/> 273 <xs:enumeration value="AUDIO_DEVICE_IN_BLUETOOTH_A2DP"/> 274 <xs:enumeration value="AUDIO_DEVICE_IN_LOOPBACK"/> 275 <xs:enumeration value="AUDIO_DEVICE_IN_IP"/> 276 <xs:enumeration value="AUDIO_DEVICE_IN_BUS"/> 277 <xs:enumeration value="AUDIO_DEVICE_IN_PROXY"/> 278 <xs:enumeration value="AUDIO_DEVICE_IN_USB_HEADSET"/> 279 <xs:enumeration value="AUDIO_DEVICE_IN_BLUETOOTH_BLE"/> 280 <xs:enumeration value="AUDIO_DEVICE_IN_HDMI_ARC"/> 281 <xs:enumeration value="AUDIO_DEVICE_IN_ECHO_REFERENCE"/> 282 <xs:enumeration value="AUDIO_DEVICE_IN_DEFAULT"/> 283 <xs:enumeration value="AUDIO_DEVICE_IN_STUB"/> 284 </xs:restriction> 285 </xs:simpleType> 286 <xs:simpleType name="vendorExtension"> 287 <!-- Vendor extension names must be prefixed by "VX_" to distinguish them from AOSP values. 288 Vendor are encouraged to namespace their module names to avoid conflicts. 289 Example for an hypothetical Google virtual reality device: 290 <devicePort tagName="VR" type="VX_GOOGLE_VR" role="sink"> 291 --> 292 <xs:restriction base="xs:string"> 293 <xs:pattern value="VX_[_a-zA-Z0-9]+"/> 294 </xs:restriction> 295 </xs:simpleType> 296 <xs:simpleType name="extendableAudioDevice"> 297 <xs:union memberTypes="audioDevice vendorExtension"/> 298 </xs:simpleType> 299 <!-- Enum values of audio_format_t in audio.h 300 TODO: generate from hidl to avoid manual sync. --> 301 <xs:simpleType name="audioFormat"> 302 <xs:restriction base="xs:string"> 303 <xs:enumeration value="AUDIO_FORMAT_PCM_16_BIT" /> 304 <xs:enumeration value="AUDIO_FORMAT_PCM_8_BIT"/> 305 <xs:enumeration value="AUDIO_FORMAT_PCM_32_BIT"/> 306 <xs:enumeration value="AUDIO_FORMAT_PCM_8_24_BIT"/> 307 <xs:enumeration value="AUDIO_FORMAT_PCM_FLOAT"/> 308 <xs:enumeration value="AUDIO_FORMAT_PCM_24_BIT_PACKED"/> 309 <xs:enumeration value="AUDIO_FORMAT_MP3"/> 310 <xs:enumeration value="AUDIO_FORMAT_AMR_NB"/> 311 <xs:enumeration value="AUDIO_FORMAT_AMR_WB"/> 312 <xs:enumeration value="AUDIO_FORMAT_AAC"/> 313 <xs:enumeration value="AUDIO_FORMAT_AAC_MAIN"/> 314 <xs:enumeration value="AUDIO_FORMAT_AAC_LC"/> 315 <xs:enumeration value="AUDIO_FORMAT_AAC_SSR"/> 316 <xs:enumeration value="AUDIO_FORMAT_AAC_LTP"/> 317 <xs:enumeration value="AUDIO_FORMAT_AAC_HE_V1"/> 318 <xs:enumeration value="AUDIO_FORMAT_AAC_SCALABLE"/> 319 <xs:enumeration value="AUDIO_FORMAT_AAC_ERLC"/> 320 <xs:enumeration value="AUDIO_FORMAT_AAC_LD"/> 321 <xs:enumeration value="AUDIO_FORMAT_AAC_HE_V2"/> 322 <xs:enumeration value="AUDIO_FORMAT_AAC_ELD"/> 323 <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_MAIN"/> 324 <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_LC"/> 325 <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_SSR"/> 326 <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_LTP"/> 327 <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_HE_V1"/> 328 <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_SCALABLE"/> 329 <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_ERLC"/> 330 <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_LD"/> 331 <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_HE_V2"/> 332 <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_ELD"/> 333 <xs:enumeration value="AUDIO_FORMAT_VORBIS"/> 334 <xs:enumeration value="AUDIO_FORMAT_HE_AAC_V1"/> 335 <xs:enumeration value="AUDIO_FORMAT_HE_AAC_V2"/> 336 <xs:enumeration value="AUDIO_FORMAT_OPUS"/> 337 <xs:enumeration value="AUDIO_FORMAT_AC3"/> 338 <xs:enumeration value="AUDIO_FORMAT_E_AC3"/> 339 <xs:enumeration value="AUDIO_FORMAT_DTS"/> 340 <xs:enumeration value="AUDIO_FORMAT_DTS_HD"/> 341 <xs:enumeration value="AUDIO_FORMAT_IEC61937"/> 342 <xs:enumeration value="AUDIO_FORMAT_DOLBY_TRUEHD"/> 343 <xs:enumeration value="AUDIO_FORMAT_EVRC"/> 344 <xs:enumeration value="AUDIO_FORMAT_EVRCB"/> 345 <xs:enumeration value="AUDIO_FORMAT_EVRCWB"/> 346 <xs:enumeration value="AUDIO_FORMAT_EVRCNW"/> 347 <xs:enumeration value="AUDIO_FORMAT_AAC_ADIF"/> 348 <xs:enumeration value="AUDIO_FORMAT_WMA"/> 349 <xs:enumeration value="AUDIO_FORMAT_WMA_PRO"/> 350 <xs:enumeration value="AUDIO_FORMAT_AMR_WB_PLUS"/> 351 <xs:enumeration value="AUDIO_FORMAT_MP2"/> 352 <xs:enumeration value="AUDIO_FORMAT_QCELP"/> 353 <xs:enumeration value="AUDIO_FORMAT_DSD"/> 354 <xs:enumeration value="AUDIO_FORMAT_FLAC"/> 355 <xs:enumeration value="AUDIO_FORMAT_ALAC"/> 356 <xs:enumeration value="AUDIO_FORMAT_APE"/> 357 <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS"/> 358 <xs:enumeration value="AUDIO_FORMAT_SBC"/> 359 <xs:enumeration value="AUDIO_FORMAT_APTX"/> 360 <xs:enumeration value="AUDIO_FORMAT_APTX_HD"/> 361 <xs:enumeration value="AUDIO_FORMAT_AC4"/> 362 <xs:enumeration value="AUDIO_FORMAT_LDAC"/> 363 <xs:enumeration value="AUDIO_FORMAT_E_AC3_JOC"/> 364 <xs:enumeration value="AUDIO_FORMAT_MAT_1_0"/> 365 <xs:enumeration value="AUDIO_FORMAT_MAT_2_0"/> 366 <xs:enumeration value="AUDIO_FORMAT_MAT_2_1"/> 367 <xs:enumeration value="AUDIO_FORMAT_AAC_XHE"/> 368 <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_XHE"/> 369 <xs:enumeration value="AUDIO_FORMAT_AAC_LATM"/> 370 <xs:enumeration value="AUDIO_FORMAT_AAC_LATM_LC"/> 371 <xs:enumeration value="AUDIO_FORMAT_AAC_LATM_HE_V1"/> 372 <xs:enumeration value="AUDIO_FORMAT_AAC_LATM_HE_V2"/> 373 <xs:enumeration value="AUDIO_FORMAT_CELT"/> 374 <xs:enumeration value="AUDIO_FORMAT_APTX_ADAPTIVE"/> 375 <xs:enumeration value="AUDIO_FORMAT_LHDC"/> 376 <xs:enumeration value="AUDIO_FORMAT_LHDC_LL"/> 377 <xs:enumeration value="AUDIO_FORMAT_APTX_TWSP"/> 378 </xs:restriction> 379 </xs:simpleType> 380 <xs:simpleType name="extendableAudioFormat"> 381 <xs:union memberTypes="audioFormat vendorExtension"/> 382 </xs:simpleType> 383 <!-- Enum values of audio::common::4_0::AudioUsage 384 TODO: generate from HIDL to avoid manual sync. --> 385 <xs:simpleType name="audioUsage"> 386 <xs:restriction base="xs:string"> 387 <xs:enumeration value="AUDIO_USAGE_UNKNOWN" /> 388 <xs:enumeration value="AUDIO_USAGE_MEDIA" /> 389 <xs:enumeration value="AUDIO_USAGE_VOICE_COMMUNICATION" /> 390 <xs:enumeration value="AUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING" /> 391 <xs:enumeration value="AUDIO_USAGE_ALARM" /> 392 <xs:enumeration value="AUDIO_USAGE_NOTIFICATION" /> 393 <xs:enumeration value="AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE" /> 394 <xs:enumeration value="AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY" /> 395 <xs:enumeration value="AUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE" /> 396 <xs:enumeration value="AUDIO_USAGE_ASSISTANCE_SONIFICATION" /> 397 <xs:enumeration value="AUDIO_USAGE_GAME" /> 398 <xs:enumeration value="AUDIO_USAGE_VIRTUAL_SOURCE" /> 399 <xs:enumeration value="AUDIO_USAGE_ASSISTANT" /> 400 </xs:restriction> 401 </xs:simpleType> 402 <xs:simpleType name="audioUsageList"> 403 <xs:list itemType="audioUsage"/> 404 </xs:simpleType> 405 <!-- TODO: Change to a space separated list to xsd enforce correctness. --> 406 <xs:simpleType name="samplingRates"> 407 <xs:restriction base="xs:string"> 408 <xs:pattern value="[0-9]+(,[0-9]+)*"/> 409 </xs:restriction> 410 </xs:simpleType> 411 <!-- TODO: Change to a space separated list to xsd enforce correctness. --> 412 <xs:simpleType name="channelMask"> 413 <xs:annotation> 414 <xs:documentation xml:lang="en"> 415 Comma (",") separated list of channel flags 416 from audio_channel_mask_t. 417 </xs:documentation> 418 </xs:annotation> 419 <xs:restriction base="xs:string"> 420 <xs:pattern value="[_A-Z][_A-Z0-9]*(,[_A-Z][_A-Z0-9]*)*"/> 421 </xs:restriction> 422 </xs:simpleType> 423 <xs:complexType name="profile"> 424 <xs:attribute name="name" type="xs:token" use="optional"/> 425 <xs:attribute name="format" type="extendableAudioFormat" use="optional"/> 426 <xs:attribute name="samplingRates" type="samplingRates" use="optional"/> 427 <xs:attribute name="channelMasks" type="channelMask" use="optional"/> 428 </xs:complexType> 429 <xs:simpleType name="gainMode"> 430 <xs:restriction base="xs:string"> 431 <xs:enumeration value="AUDIO_GAIN_MODE_JOINT"/> 432 <xs:enumeration value="AUDIO_GAIN_MODE_CHANNELS"/> 433 <xs:enumeration value="AUDIO_GAIN_MODE_RAMP"/> 434 </xs:restriction> 435 </xs:simpleType> 436 <xs:complexType name="gains"> 437 <xs:sequence> 438 <xs:element name="gain" minOccurs="0" maxOccurs="unbounded"> 439 <xs:complexType> 440 <xs:attribute name="name" type="xs:token" use="required"/> 441 <xs:attribute name="mode" type="gainMode" use="required"/> 442 <xs:attribute name="channel_mask" type="channelMask" use="optional"/> 443 <xs:attribute name="minValueMB" type="xs:int" use="optional"/> 444 <xs:attribute name="maxValueMB" type="xs:int" use="optional"/> 445 <xs:attribute name="defaultValueMB" type="xs:int" use="optional"/> 446 <xs:attribute name="stepValueMB" type="xs:int" use="optional"/> 447 <xs:attribute name="minRampMs" type="xs:int" use="optional"/> 448 <xs:attribute name="maxRampMs" type="xs:int" use="optional"/> 449 <xs:attribute name="useForVolume" type="xs:boolean" use="optional"/> 450 </xs:complexType> 451 </xs:element> 452 </xs:sequence> 453 </xs:complexType> 454 <xs:complexType name="devicePorts"> 455 <xs:sequence> 456 <xs:element name="devicePort" minOccurs="0" maxOccurs="unbounded"> 457 <xs:complexType> 458 <xs:sequence> 459 <xs:element name="profile" type="profile" minOccurs="0" maxOccurs="unbounded"/> 460 <xs:element name="gains" type="gains" minOccurs="0"/> 461 </xs:sequence> 462 <xs:attribute name="tagName" type="xs:token" use="required"/> 463 <xs:attribute name="type" type="extendableAudioDevice" use="required"/> 464 <xs:attribute name="role" type="role" use="required"/> 465 <xs:attribute name="address" type="xs:string" use="optional" default=""/> 466 <!-- Note that XSD 1.0 can not check that a type only has one default. --> 467 <xs:attribute name="default" type="xs:boolean" use="optional"> 468 <xs:annotation> 469 <xs:documentation xml:lang="en"> 470 The default device will be used if multiple have the same type 471 and no explicit route request exists for a specific device of 472 that type. 473 </xs:documentation> 474 </xs:annotation> 475 </xs:attribute> 476 <xs:attribute name="encodedFormats" type="audioFormatsList" use="optional" 477 default="" /> 478 </xs:complexType> 479 <xs:unique name="devicePortProfileUniqueness"> 480 <xs:selector xpath="profile"/> 481 <xs:field xpath="format"/> 482 <xs:field xpath="samplingRate"/> 483 <xs:field xpath="channelMasks"/> 484 </xs:unique> 485 <xs:unique name="devicePortGainUniqueness"> 486 <xs:selector xpath="gains/gain"/> 487 <xs:field xpath="@name"/> 488 </xs:unique> 489 </xs:element> 490 </xs:sequence> 491 </xs:complexType> 492 <xs:simpleType name="mixType"> 493 <xs:restriction base="xs:string"> 494 <xs:enumeration value="mix"/> 495 <xs:enumeration value="mux"/> 496 </xs:restriction> 497 </xs:simpleType> 498 <xs:complexType name="routes"> 499 <xs:sequence> 500 <xs:element name="route" minOccurs="0" maxOccurs="unbounded"> 501 <xs:annotation> 502 <xs:documentation xml:lang="en"> 503 List all available sources for a given sink. 504 </xs:documentation> 505 </xs:annotation> 506 <xs:complexType> 507 <xs:attribute name="type" type="mixType" use="required"/> 508 <xs:attribute name="sink" type="xs:string" use="required"/> 509 <xs:attribute name="sources" type="xs:string" use="required"/> 510 </xs:complexType> 511 </xs:element> 512 </xs:sequence> 513 </xs:complexType> 514 <xs:complexType name="volumes"> 515 <xs:sequence> 516 <xs:element name="volume" type="volume" minOccurs="0" maxOccurs="unbounded"/> 517 <xs:element name="reference" type="reference" minOccurs="0" maxOccurs="unbounded"> 518 </xs:element> 519 </xs:sequence> 520 </xs:complexType> 521 <!-- TODO: Always require a ref for better xsd validations. 522 Currently a volume could have no points nor ref 523 as it can not be forbidden by xsd 1.0.--> 524 <xs:simpleType name="volumePoint"> 525 <xs:annotation> 526 <xs:documentation xml:lang="en"> 527 Comma separated pair of number. 528 The fist one is the framework level (between 0 and 100). 529 The second one is the volume to send to the HAL. 530 The framework will interpolate volumes not specified. 531 Their MUST be at least 2 points specified. 532 </xs:documentation> 533 </xs:annotation> 534 <xs:restriction base="xs:string"> 535 <xs:pattern value="([0-9]{1,2}|100),-?[0-9]+"/> 536 </xs:restriction> 537 </xs:simpleType> 538 <!-- Enum values of audio_stream_type_t in audio-base.h 539 TODO: generate from hidl to avoid manual sync. --> 540 <xs:simpleType name="stream"> 541 <xs:restriction base="xs:string"> 542 <xs:enumeration value="AUDIO_STREAM_VOICE_CALL"/> 543 <xs:enumeration value="AUDIO_STREAM_SYSTEM"/> 544 <xs:enumeration value="AUDIO_STREAM_RING"/> 545 <xs:enumeration value="AUDIO_STREAM_MUSIC"/> 546 <xs:enumeration value="AUDIO_STREAM_ALARM"/> 547 <xs:enumeration value="AUDIO_STREAM_NOTIFICATION"/> 548 <xs:enumeration value="AUDIO_STREAM_BLUETOOTH_SCO"/> 549 <xs:enumeration value="AUDIO_STREAM_ENFORCED_AUDIBLE"/> 550 <xs:enumeration value="AUDIO_STREAM_DTMF"/> 551 <xs:enumeration value="AUDIO_STREAM_TTS"/> 552 <xs:enumeration value="AUDIO_STREAM_ACCESSIBILITY"/> 553 <xs:enumeration value="AUDIO_STREAM_REROUTING"/> 554 <xs:enumeration value="AUDIO_STREAM_PATCH"/> 555 </xs:restriction> 556 </xs:simpleType> 557 <!-- Enum values of device_category from Volume.h. 558 TODO: generate from hidl to avoid manual sync. --> 559 <xs:simpleType name="deviceCategory"> 560 <xs:restriction base="xs:string"> 561 <xs:enumeration value="DEVICE_CATEGORY_HEADSET"/> 562 <xs:enumeration value="DEVICE_CATEGORY_SPEAKER"/> 563 <xs:enumeration value="DEVICE_CATEGORY_EARPIECE"/> 564 <xs:enumeration value="DEVICE_CATEGORY_EXT_MEDIA"/> 565 <xs:enumeration value="DEVICE_CATEGORY_HEARING_AID"/> 566 </xs:restriction> 567 </xs:simpleType> 568 <xs:complexType name="volume"> 569 <xs:annotation> 570 <xs:documentation xml:lang="en"> 571 Volume section defines a volume curve for a given use case and device category. 572 It contains a list of points of this curve expressing the attenuation in Millibels 573 for a given volume index from 0 to 100. 574 <volume stream="AUDIO_STREAM_MUSIC" deviceCategory="DEVICE_CATEGORY_SPEAKER"> 575 <point>0,-9600</point> 576 <point>100,0</point> 577 </volume> 578 579 It may also reference a reference/@name to avoid duplicating curves. 580 <volume stream="AUDIO_STREAM_MUSIC" deviceCategory="DEVICE_CATEGORY_SPEAKER" 581 ref="DEFAULT_MEDIA_VOLUME_CURVE"/> 582 <reference name="DEFAULT_MEDIA_VOLUME_CURVE"> 583 <point>0,-9600</point> 584 <point>100,0</point> 585 </reference> 586 </xs:documentation> 587 </xs:annotation> 588 <xs:sequence> 589 <xs:element name="point" type="volumePoint" minOccurs="0" maxOccurs="unbounded"/> 590 </xs:sequence> 591 <xs:attribute name="stream" type="stream"/> 592 <xs:attribute name="deviceCategory" type="deviceCategory"/> 593 <xs:attribute name="ref" type="xs:token" use="optional"/> 594 </xs:complexType> 595 <xs:complexType name="reference"> 596 <xs:sequence> 597 <xs:element name="point" type="volumePoint" minOccurs="2" maxOccurs="unbounded"/> 598 </xs:sequence> 599 <xs:attribute name="name" type="xs:token" use="required"/> 600 </xs:complexType> 601 <xs:complexType name="surroundSound"> 602 <xs:annotation> 603 <xs:documentation xml:lang="en"> 604 Surround Sound section provides configuration related to handling of 605 multi-channel formats. 606 </xs:documentation> 607 </xs:annotation> 608 <xs:sequence> 609 <xs:element name="formats" type="surroundFormats"/> 610 </xs:sequence> 611 </xs:complexType> 612 <xs:simpleType name="audioFormatsList"> 613 <xs:list itemType="audioFormat" /> 614 </xs:simpleType> 615 <xs:complexType name="surroundFormats"> 616 <xs:sequence> 617 <xs:element name="format" minOccurs="0" maxOccurs="unbounded"> 618 <xs:complexType> 619 <xs:attribute name="name" type="audioFormat" use="required"/> 620 <xs:attribute name="subformats" type="audioFormatsList" /> 621 </xs:complexType> 622 </xs:element> 623 </xs:sequence> 624 </xs:complexType> 625</xs:schema> 626