1<?xml version="1.0" encoding="UTF-8"?> 2<!-- Copyright (C) 2020 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<xs:schema version="2.0" 17 elementFormDefault="qualified" 18 attributeFormDefault="unqualified" 19 xmlns:xs="http://www.w3.org/2001/XMLSchema"> 20 <!-- List the config versions supported by audio policy. --> 21 <xs:simpleType name="version"> 22 <xs:restriction base="xs:decimal"> 23 <xs:enumeration value="7.0"/> 24 </xs:restriction> 25 </xs:simpleType> 26 <xs:simpleType name="halVersion"> 27 <xs:annotation> 28 <xs:documentation xml:lang="en"> 29 Version of the interface the hal implements. Note that this 30 relates to legacy HAL API versions since HIDL APIs are versioned 31 using other mechanisms. 32 </xs:documentation> 33 </xs:annotation> 34 <xs:restriction base="xs:decimal"> 35 <!-- List of HAL versions supported by the framework. --> 36 <xs:enumeration value="2.0"/> 37 <xs:enumeration value="3.0"/> 38 </xs:restriction> 39 </xs:simpleType> 40 <xs:element name="audioPolicyConfiguration"> 41 <xs:complexType> 42 <xs:sequence> 43 <xs:element name="globalConfiguration" type="globalConfiguration"/> 44 <xs:element name="modules" type="modules" maxOccurs="unbounded"/> 45 <xs:element name="volumes" type="volumes" maxOccurs="unbounded"/> 46 <xs:element name="surroundSound" type="surroundSound" minOccurs="0" /> 47 </xs:sequence> 48 <xs:attribute name="version" type="version"/> 49 </xs:complexType> 50 <xs:key name="moduleNameKey"> 51 <xs:selector xpath="modules/module"/> 52 <xs:field xpath="@name"/> 53 </xs:key> 54 <xs:unique name="volumeTargetUniqueness"> 55 <xs:selector xpath="volumes/volume"/> 56 <xs:field xpath="@stream"/> 57 <xs:field xpath="@deviceCategory"/> 58 </xs:unique> 59 <xs:key name="volumeCurveNameKey"> 60 <xs:selector xpath="volumes/reference"/> 61 <xs:field xpath="@name"/> 62 </xs:key> 63 <xs:keyref name="volumeCurveRef" refer="volumeCurveNameKey"> 64 <xs:selector xpath="volumes/volume"/> 65 <xs:field xpath="@ref"/> 66 </xs:keyref> 67 </xs:element> 68 <xs:complexType name="globalConfiguration"> 69 <xs:attribute name="speaker_drc_enabled" type="xs:boolean" use="required"/> 70 <xs:attribute name="call_screen_mode_supported" type="xs:boolean" use="optional"/> 71 <xs:attribute name="engine_library" type="engineSuffix" use="optional"/> 72 </xs:complexType> 73 <xs:complexType name="modules"> 74 <xs:annotation> 75 <xs:documentation xml:lang="en"> 76 There should be one section per audio HW module present on the platform. 77 Each <module/> contains two mandatory tags: “halVersion” and “name”. 78 The module "name" is the same as in previous .conf file. 79 Each module must contain the following sections: 80 - <devicePorts/>: a list of device descriptors for all 81 input and output devices accessible via this module. 82 This contains both permanently attached devices and removable devices. 83 - <mixPorts/>: listing all output and input streams exposed by the audio HAL 84 - <routes/>: list of possible connections between input 85 and output devices or between stream and devices. 86 A <route/> is defined by a set of 3 attributes: 87 -"type": mux|mix means all sources are mutual exclusive (mux) or can be mixed (mix) 88 -"sink": the sink involved in this route 89 -"sources": all the sources than can be connected to the sink via this route 90 - <attachedDevices/>: permanently attached devices. 91 The attachedDevices section is a list of devices names. 92 Their names correspond to device names defined in "devicePorts" section. 93 - <defaultOutputDevice/> is the device to be used when no policy rule applies 94 </xs:documentation> 95 </xs:annotation> 96 <xs:sequence> 97 <xs:element name="module" maxOccurs="unbounded"> 98 <xs:complexType> 99 <xs:sequence> 100 <xs:element name="attachedDevices" type="attachedDevices" minOccurs="0"> 101 <xs:unique name="attachedDevicesUniqueness"> 102 <xs:selector xpath="item"/> 103 <xs:field xpath="."/> 104 </xs:unique> 105 </xs:element> 106 <xs:element name="defaultOutputDevice" type="xs:token" minOccurs="0"/> 107 <xs:element name="mixPorts" type="mixPorts" minOccurs="0"/> 108 <xs:element name="devicePorts" type="devicePorts" minOccurs="0"/> 109 <xs:element name="routes" type="routes" minOccurs="0"/> 110 </xs:sequence> 111 <xs:attribute name="name" type="xs:string" use="required"/> 112 <xs:attribute name="halVersion" type="halVersion" use="required"/> 113 </xs:complexType> 114 <xs:unique name="mixPortNameUniqueness"> 115 <xs:selector xpath="mixPorts/mixPort"/> 116 <xs:field xpath="@name"/> 117 </xs:unique> 118 <xs:key name="devicePortNameKey"> 119 <xs:selector xpath="devicePorts/devicePort"/> 120 <xs:field xpath="@tagName"/> 121 </xs:key> 122 <xs:unique name="devicePortUniqueness"> 123 <xs:selector xpath="devicePorts/devicePort"/> 124 <xs:field xpath="@type"/> 125 <xs:field xpath="@address"/> 126 </xs:unique> 127 <xs:keyref name="defaultOutputDeviceRef" refer="devicePortNameKey"> 128 <xs:selector xpath="defaultOutputDevice"/> 129 <xs:field xpath="."/> 130 </xs:keyref> 131 <xs:keyref name="attachedDeviceRef" refer="devicePortNameKey"> 132 <xs:selector xpath="attachedDevices/item"/> 133 <xs:field xpath="."/> 134 </xs:keyref> 135 <!-- The following 3 constraints try to make sure each sink port 136 is reference in one an only one route. --> 137 <xs:key name="routeSinkKey"> 138 <!-- predicate [@type='sink'] does not work in xsd 1.0 --> 139 <xs:selector xpath="devicePorts/devicePort|mixPorts/mixPort"/> 140 <xs:field xpath="@tagName|@name"/> 141 </xs:key> 142 <xs:keyref name="routeSinkRef" refer="routeSinkKey"> 143 <xs:selector xpath="routes/route"/> 144 <xs:field xpath="@sink"/> 145 </xs:keyref> 146 <xs:unique name="routeUniqueness"> 147 <xs:selector xpath="routes/route"/> 148 <xs:field xpath="@sink"/> 149 </xs:unique> 150 </xs:element> 151 </xs:sequence> 152 </xs:complexType> 153 <xs:complexType name="attachedDevices"> 154 <xs:sequence> 155 <xs:element name="item" type="xs:token" minOccurs="0" maxOccurs="unbounded"/> 156 </xs:sequence> 157 </xs:complexType> 158 <xs:simpleType name="audioInOutFlag"> 159 <xs:annotation> 160 <xs:documentation xml:lang="en"> 161 The flags indicate suggested stream attributes supported by the profile. 162 </xs:documentation> 163 </xs:annotation> 164 <xs:restriction base="xs:string"> 165 <xs:enumeration value="AUDIO_OUTPUT_FLAG_DIRECT" /> 166 <xs:enumeration value="AUDIO_OUTPUT_FLAG_PRIMARY" /> 167 <xs:enumeration value="AUDIO_OUTPUT_FLAG_FAST" /> 168 <xs:enumeration value="AUDIO_OUTPUT_FLAG_DEEP_BUFFER" /> 169 <xs:enumeration value="AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD" /> 170 <xs:enumeration value="AUDIO_OUTPUT_FLAG_NON_BLOCKING" /> 171 <xs:enumeration value="AUDIO_OUTPUT_FLAG_HW_AV_SYNC" /> 172 <xs:enumeration value="AUDIO_OUTPUT_FLAG_TTS" /> 173 <xs:enumeration value="AUDIO_OUTPUT_FLAG_RAW" /> 174 <xs:enumeration value="AUDIO_OUTPUT_FLAG_SYNC" /> 175 <xs:enumeration value="AUDIO_OUTPUT_FLAG_IEC958_NONAUDIO" /> 176 <xs:enumeration value="AUDIO_OUTPUT_FLAG_DIRECT_PCM" /> 177 <xs:enumeration value="AUDIO_OUTPUT_FLAG_MMAP_NOIRQ" /> 178 <xs:enumeration value="AUDIO_OUTPUT_FLAG_VOIP_RX" /> 179 <xs:enumeration value="AUDIO_OUTPUT_FLAG_INCALL_MUSIC" /> 180 <xs:enumeration value="AUDIO_OUTPUT_FLAG_GAPLESS_OFFLOAD" /> 181 <xs:enumeration value="AUDIO_INPUT_FLAG_FAST" /> 182 <xs:enumeration value="AUDIO_INPUT_FLAG_HW_HOTWORD" /> 183 <xs:enumeration value="AUDIO_INPUT_FLAG_RAW" /> 184 <xs:enumeration value="AUDIO_INPUT_FLAG_SYNC" /> 185 <xs:enumeration value="AUDIO_INPUT_FLAG_MMAP_NOIRQ" /> 186 <xs:enumeration value="AUDIO_INPUT_FLAG_VOIP_TX" /> 187 <xs:enumeration value="AUDIO_INPUT_FLAG_HW_AV_SYNC" /> 188 <xs:enumeration value="AUDIO_INPUT_FLAG_DIRECT" /> 189 </xs:restriction> 190 </xs:simpleType> 191 <xs:simpleType name="audioInOutFlags"> 192 <xs:list itemType="audioInOutFlag" /> 193 </xs:simpleType> 194 <xs:simpleType name="role"> 195 <xs:restriction base="xs:string"> 196 <xs:enumeration value="sink"/> 197 <xs:enumeration value="source"/> 198 </xs:restriction> 199 </xs:simpleType> 200 <xs:complexType name="mixPorts"> 201 <xs:sequence> 202 <xs:element name="mixPort" minOccurs="0" maxOccurs="unbounded"> 203 <xs:complexType> 204 <xs:sequence> 205 <xs:element name="profile" type="profile" minOccurs="0" maxOccurs="unbounded"/> 206 <xs:element name="gains" type="gains" minOccurs="0"/> 207 </xs:sequence> 208 <xs:attribute name="name" type="xs:token" use="required"/> 209 <xs:attribute name="role" type="role" use="required"/> 210 <xs:attribute name="flags" type="audioInOutFlags"/> 211 <xs:attribute name="maxOpenCount" type="xs:unsignedInt"/> 212 <xs:attribute name="maxActiveCount" type="xs:unsignedInt"/> 213 <xs:attribute name="preferredUsage" type="audioUsageList"> 214 <xs:annotation> 215 <xs:documentation xml:lang="en"> 216 When choosing the mixPort of an audio track, the audioPolicy 217 first considers the mixPorts with a preferredUsage including 218 the track AudioUsage preferred . 219 If non support the track format, the other mixPorts are considered. 220 Eg: a <mixPort preferredUsage="AUDIO_USAGE_MEDIA" /> will receive 221 the audio of all apps playing with a MEDIA usage. 222 It may receive audio from ALARM if there are no audio compatible 223 <mixPort preferredUsage="AUDIO_USAGE_ALARM" />. 224 </xs:documentation> 225 </xs:annotation> 226 </xs:attribute> 227 </xs:complexType> 228 <xs:unique name="mixPortProfileUniqueness"> 229 <xs:selector xpath="profile"/> 230 <xs:field xpath="format"/> 231 <xs:field xpath="samplingRate"/> 232 <xs:field xpath="channelMasks"/> 233 </xs:unique> 234 <xs:unique name="mixPortGainUniqueness"> 235 <xs:selector xpath="gains/gain"/> 236 <xs:field xpath="@name"/> 237 </xs:unique> 238 </xs:element> 239 </xs:sequence> 240 </xs:complexType> 241 <xs:simpleType name="audioDevice"> 242 <xs:restriction base="xs:string"> 243 <xs:enumeration value="AUDIO_DEVICE_NONE"/> 244 245 <xs:enumeration value="AUDIO_DEVICE_OUT_EARPIECE"/> 246 <xs:enumeration value="AUDIO_DEVICE_OUT_SPEAKER"/> 247 <xs:enumeration value="AUDIO_DEVICE_OUT_WIRED_HEADSET"/> 248 <xs:enumeration value="AUDIO_DEVICE_OUT_WIRED_HEADPHONE"/> 249 <xs:enumeration value="AUDIO_DEVICE_OUT_BLUETOOTH_SCO"/> 250 <xs:enumeration value="AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET"/> 251 <xs:enumeration value="AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT"/> 252 <xs:enumeration value="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP"/> 253 <xs:enumeration value="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES"/> 254 <xs:enumeration value="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER"/> 255 <xs:enumeration value="AUDIO_DEVICE_OUT_HDMI"/> 256 <xs:enumeration value="AUDIO_DEVICE_OUT_HDMI_EARC"/> 257 <xs:enumeration value="AUDIO_DEVICE_OUT_AUX_DIGITAL"/> 258 <xs:enumeration value="AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET"/> 259 <xs:enumeration value="AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET"/> 260 <xs:enumeration value="AUDIO_DEVICE_OUT_USB_ACCESSORY"/> 261 <xs:enumeration value="AUDIO_DEVICE_OUT_USB_DEVICE"/> 262 <xs:enumeration value="AUDIO_DEVICE_OUT_REMOTE_SUBMIX"/> 263 <xs:enumeration value="AUDIO_DEVICE_OUT_TELEPHONY_TX"/> 264 <xs:enumeration value="AUDIO_DEVICE_OUT_LINE"/> 265 <xs:enumeration value="AUDIO_DEVICE_OUT_HDMI_ARC"/> 266 <xs:enumeration value="AUDIO_DEVICE_OUT_SPDIF"/> 267 <xs:enumeration value="AUDIO_DEVICE_OUT_FM"/> 268 <xs:enumeration value="AUDIO_DEVICE_OUT_AUX_LINE"/> 269 <xs:enumeration value="AUDIO_DEVICE_OUT_SPEAKER_SAFE"/> 270 <xs:enumeration value="AUDIO_DEVICE_OUT_IP"/> 271 <xs:enumeration value="AUDIO_DEVICE_OUT_BUS"/> 272 <xs:enumeration value="AUDIO_DEVICE_OUT_PROXY"/> 273 <xs:enumeration value="AUDIO_DEVICE_OUT_USB_HEADSET"/> 274 <xs:enumeration value="AUDIO_DEVICE_OUT_HEARING_AID"/> 275 <xs:enumeration value="AUDIO_DEVICE_OUT_ECHO_CANCELLER"/> 276 <xs:enumeration value="AUDIO_DEVICE_OUT_BLE_HEADSET"/> 277 <xs:enumeration value="AUDIO_DEVICE_OUT_BLE_SPEAKER"/> 278 <xs:enumeration value="AUDIO_DEVICE_OUT_DEFAULT"/> 279 <xs:enumeration value="AUDIO_DEVICE_OUT_STUB"/> 280 281 <xs:enumeration value="AUDIO_DEVICE_IN_COMMUNICATION"/> 282 <xs:enumeration value="AUDIO_DEVICE_IN_AMBIENT"/> 283 <xs:enumeration value="AUDIO_DEVICE_IN_BUILTIN_MIC"/> 284 <xs:enumeration value="AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET"/> 285 <xs:enumeration value="AUDIO_DEVICE_IN_WIRED_HEADSET"/> 286 <xs:enumeration value="AUDIO_DEVICE_IN_HDMI"/> 287 <xs:enumeration value="AUDIO_DEVICE_IN_AUX_DIGITAL"/> 288 <xs:enumeration value="AUDIO_DEVICE_IN_VOICE_CALL"/> 289 <xs:enumeration value="AUDIO_DEVICE_IN_TELEPHONY_RX"/> 290 <xs:enumeration value="AUDIO_DEVICE_IN_BACK_MIC"/> 291 <xs:enumeration value="AUDIO_DEVICE_IN_REMOTE_SUBMIX"/> 292 <xs:enumeration value="AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET"/> 293 <xs:enumeration value="AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET"/> 294 <xs:enumeration value="AUDIO_DEVICE_IN_USB_ACCESSORY"/> 295 <xs:enumeration value="AUDIO_DEVICE_IN_USB_DEVICE"/> 296 <xs:enumeration value="AUDIO_DEVICE_IN_FM_TUNER"/> 297 <xs:enumeration value="AUDIO_DEVICE_IN_TV_TUNER"/> 298 <xs:enumeration value="AUDIO_DEVICE_IN_LINE"/> 299 <xs:enumeration value="AUDIO_DEVICE_IN_SPDIF"/> 300 <xs:enumeration value="AUDIO_DEVICE_IN_BLUETOOTH_A2DP"/> 301 <xs:enumeration value="AUDIO_DEVICE_IN_LOOPBACK"/> 302 <xs:enumeration value="AUDIO_DEVICE_IN_IP"/> 303 <xs:enumeration value="AUDIO_DEVICE_IN_BUS"/> 304 <xs:enumeration value="AUDIO_DEVICE_IN_PROXY"/> 305 <xs:enumeration value="AUDIO_DEVICE_IN_USB_HEADSET"/> 306 <xs:enumeration value="AUDIO_DEVICE_IN_BLUETOOTH_BLE"/> 307 <xs:enumeration value="AUDIO_DEVICE_IN_HDMI_ARC"/> 308 <xs:enumeration value="AUDIO_DEVICE_IN_HDMI_EARC"/> 309 <xs:enumeration value="AUDIO_DEVICE_IN_ECHO_REFERENCE"/> 310 <xs:enumeration value="AUDIO_DEVICE_IN_BLE_HEADSET"/> 311 <xs:enumeration value="AUDIO_DEVICE_IN_DEFAULT"/> 312 <xs:enumeration value="AUDIO_DEVICE_IN_STUB"/> 313 </xs:restriction> 314 </xs:simpleType> 315 <xs:simpleType name="vendorExtension"> 316 <!-- Vendor extension names must be prefixed by "VX_" to distinguish them from 317 AOSP values. Vendors must namespace their names to avoid conflicts. The 318 namespace part must only use capital latin characters and decimal digits and 319 consist of at least 3 characters. The part of the extension name after the 320 namespace may in addition include underscores. Example for a hypothetical 321 Google virtual reality device: 322 323 <devicePort tagName="VR" type="VX_GOOGLE_VR" role="sink" /> 324 --> 325 <xs:restriction base="xs:string"> 326 <xs:pattern value="VX_[A-Z0-9]{3,}_[_A-Z0-9]+"/> 327 </xs:restriction> 328 </xs:simpleType> 329 <xs:simpleType name="extendableAudioDevice"> 330 <xs:union memberTypes="audioDevice vendorExtension"/> 331 </xs:simpleType> 332 <xs:simpleType name="audioFormat"> 333 <xs:restriction base="xs:string"> 334 <xs:enumeration value="AUDIO_FORMAT_DEFAULT" /> 335 <xs:enumeration value="AUDIO_FORMAT_PCM_16_BIT" /> 336 <xs:enumeration value="AUDIO_FORMAT_PCM_8_BIT"/> 337 <xs:enumeration value="AUDIO_FORMAT_PCM_32_BIT"/> 338 <xs:enumeration value="AUDIO_FORMAT_PCM_8_24_BIT"/> 339 <xs:enumeration value="AUDIO_FORMAT_PCM_FLOAT"/> 340 <xs:enumeration value="AUDIO_FORMAT_PCM_24_BIT_PACKED"/> 341 <xs:enumeration value="AUDIO_FORMAT_MP3"/> 342 <xs:enumeration value="AUDIO_FORMAT_AMR_NB"/> 343 <xs:enumeration value="AUDIO_FORMAT_AMR_WB"/> 344 <xs:enumeration value="AUDIO_FORMAT_AAC"/> 345 <xs:enumeration value="AUDIO_FORMAT_AAC_MAIN"/> 346 <xs:enumeration value="AUDIO_FORMAT_AAC_LC"/> 347 <xs:enumeration value="AUDIO_FORMAT_AAC_SSR"/> 348 <xs:enumeration value="AUDIO_FORMAT_AAC_LTP"/> 349 <xs:enumeration value="AUDIO_FORMAT_AAC_HE_V1"/> 350 <xs:enumeration value="AUDIO_FORMAT_AAC_SCALABLE"/> 351 <xs:enumeration value="AUDIO_FORMAT_AAC_ERLC"/> 352 <xs:enumeration value="AUDIO_FORMAT_AAC_LD"/> 353 <xs:enumeration value="AUDIO_FORMAT_AAC_HE_V2"/> 354 <xs:enumeration value="AUDIO_FORMAT_AAC_ELD"/> 355 <xs:enumeration value="AUDIO_FORMAT_AAC_XHE"/> 356 <xs:enumeration value="AUDIO_FORMAT_HE_AAC_V1"/> 357 <xs:enumeration value="AUDIO_FORMAT_HE_AAC_V2"/> 358 <xs:enumeration value="AUDIO_FORMAT_VORBIS"/> 359 <xs:enumeration value="AUDIO_FORMAT_OPUS"/> 360 <xs:enumeration value="AUDIO_FORMAT_AC3"/> 361 <xs:enumeration value="AUDIO_FORMAT_E_AC3"/> 362 <xs:enumeration value="AUDIO_FORMAT_E_AC3_JOC"/> 363 <xs:enumeration value="AUDIO_FORMAT_DTS"/> 364 <xs:enumeration value="AUDIO_FORMAT_DTS_HD"/> 365 <xs:enumeration value="AUDIO_FORMAT_IEC61937"/> 366 <xs:enumeration value="AUDIO_FORMAT_DOLBY_TRUEHD"/> 367 <xs:enumeration value="AUDIO_FORMAT_EVRC"/> 368 <xs:enumeration value="AUDIO_FORMAT_EVRCB"/> 369 <xs:enumeration value="AUDIO_FORMAT_EVRCWB"/> 370 <xs:enumeration value="AUDIO_FORMAT_EVRCNW"/> 371 <xs:enumeration value="AUDIO_FORMAT_AAC_ADIF"/> 372 <xs:enumeration value="AUDIO_FORMAT_WMA"/> 373 <xs:enumeration value="AUDIO_FORMAT_WMA_PRO"/> 374 <xs:enumeration value="AUDIO_FORMAT_AMR_WB_PLUS"/> 375 <xs:enumeration value="AUDIO_FORMAT_MP2"/> 376 <xs:enumeration value="AUDIO_FORMAT_QCELP"/> 377 <xs:enumeration value="AUDIO_FORMAT_DSD"/> 378 <xs:enumeration value="AUDIO_FORMAT_FLAC"/> 379 <xs:enumeration value="AUDIO_FORMAT_ALAC"/> 380 <xs:enumeration value="AUDIO_FORMAT_APE"/> 381 <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS"/> 382 <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_MAIN"/> 383 <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_LC"/> 384 <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_SSR"/> 385 <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_LTP"/> 386 <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_HE_V1"/> 387 <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_SCALABLE"/> 388 <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_ERLC"/> 389 <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_LD"/> 390 <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_HE_V2"/> 391 <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_ELD"/> 392 <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_XHE"/> 393 <xs:enumeration value="AUDIO_FORMAT_SBC"/> 394 <xs:enumeration value="AUDIO_FORMAT_APTX"/> 395 <xs:enumeration value="AUDIO_FORMAT_APTX_HD"/> 396 <xs:enumeration value="AUDIO_FORMAT_AC4"/> 397 <xs:enumeration value="AUDIO_FORMAT_LDAC"/> 398 <xs:enumeration value="AUDIO_FORMAT_MAT"/> 399 <xs:enumeration value="AUDIO_FORMAT_MAT_1_0"/> 400 <xs:enumeration value="AUDIO_FORMAT_MAT_2_0"/> 401 <xs:enumeration value="AUDIO_FORMAT_MAT_2_1"/> 402 <xs:enumeration value="AUDIO_FORMAT_AAC_LATM"/> 403 <xs:enumeration value="AUDIO_FORMAT_AAC_LATM_LC"/> 404 <xs:enumeration value="AUDIO_FORMAT_AAC_LATM_HE_V1"/> 405 <xs:enumeration value="AUDIO_FORMAT_AAC_LATM_HE_V2"/> 406 <xs:enumeration value="AUDIO_FORMAT_CELT"/> 407 <xs:enumeration value="AUDIO_FORMAT_APTX_ADAPTIVE"/> 408 <xs:enumeration value="AUDIO_FORMAT_LHDC"/> 409 <xs:enumeration value="AUDIO_FORMAT_LHDC_LL"/> 410 <xs:enumeration value="AUDIO_FORMAT_APTX_TWSP"/> 411 <xs:enumeration value="AUDIO_FORMAT_LC3"/> 412 <xs:enumeration value="AUDIO_FORMAT_MPEGH_BL_L3"/> 413 <xs:enumeration value="AUDIO_FORMAT_MPEGH_BL_L4"/> 414 <xs:enumeration value="AUDIO_FORMAT_MPEGH_LC_L3"/> 415 <xs:enumeration value="AUDIO_FORMAT_MPEGH_LC_L4"/> 416 <xs:enumeration value="AUDIO_FORMAT_IEC60958"/> 417 <xs:enumeration value="AUDIO_FORMAT_DTS_UHD"/> 418 <xs:enumeration value="AUDIO_FORMAT_DRA"/> 419 </xs:restriction> 420 </xs:simpleType> 421 <xs:simpleType name="extendableAudioFormat"> 422 <xs:union memberTypes="audioFormat vendorExtension"/> 423 </xs:simpleType> 424 <xs:simpleType name="audioUsage"> 425 <xs:annotation> 426 <xs:documentation xml:lang="en"> 427 Audio usage specifies the intended use case for the sound being played. 428 Please consult frameworks/base/media/java/android/media/AudioAttributes.java 429 for the description of each value. 430 </xs:documentation> 431 </xs:annotation> 432 <xs:restriction base="xs:string"> 433 <xs:enumeration value="AUDIO_USAGE_UNKNOWN" /> 434 <xs:enumeration value="AUDIO_USAGE_MEDIA" /> 435 <xs:enumeration value="AUDIO_USAGE_VOICE_COMMUNICATION" /> 436 <xs:enumeration value="AUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING" /> 437 <xs:enumeration value="AUDIO_USAGE_ALARM" /> 438 <xs:enumeration value="AUDIO_USAGE_NOTIFICATION" /> 439 <xs:enumeration value="AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE" /> 440 <xs:enumeration value="AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY" /> 441 <xs:enumeration value="AUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE" /> 442 <xs:enumeration value="AUDIO_USAGE_ASSISTANCE_SONIFICATION" /> 443 <xs:enumeration value="AUDIO_USAGE_GAME" /> 444 <xs:enumeration value="AUDIO_USAGE_VIRTUAL_SOURCE" /> 445 <xs:enumeration value="AUDIO_USAGE_ASSISTANT" /> 446 <xs:enumeration value="AUDIO_USAGE_CALL_ASSISTANT" /> 447 <xs:enumeration value="AUDIO_USAGE_EMERGENCY" /> 448 <xs:enumeration value="AUDIO_USAGE_SAFETY" /> 449 <xs:enumeration value="AUDIO_USAGE_VEHICLE_STATUS" /> 450 <xs:enumeration value="AUDIO_USAGE_ANNOUNCEMENT" /> 451 </xs:restriction> 452 </xs:simpleType> 453 <xs:simpleType name="audioUsageList"> 454 <xs:list itemType="audioUsage"/> 455 </xs:simpleType> 456 <xs:simpleType name="audioContentType"> 457 <xs:annotation> 458 <xs:documentation xml:lang="en"> 459 Audio content type expresses the general category of the content. 460 Please consult frameworks/base/media/java/android/media/AudioAttributes.java 461 for the description of each value. 462 </xs:documentation> 463 </xs:annotation> 464 <xs:restriction base="xs:string"> 465 <xs:enumeration value="AUDIO_CONTENT_TYPE_UNKNOWN"/> 466 <xs:enumeration value="AUDIO_CONTENT_TYPE_SPEECH"/> 467 <xs:enumeration value="AUDIO_CONTENT_TYPE_MUSIC"/> 468 <xs:enumeration value="AUDIO_CONTENT_TYPE_MOVIE"/> 469 <xs:enumeration value="AUDIO_CONTENT_TYPE_SONIFICATION"/> 470 </xs:restriction> 471 </xs:simpleType> 472 <xs:simpleType name="samplingRates"> 473 <xs:list itemType="xs:nonNegativeInteger" /> 474 </xs:simpleType> 475 <xs:simpleType name="audioChannelMask"> 476 <xs:annotation> 477 <xs:documentation xml:lang="en"> 478 Audio channel mask specifies presence of particular channels. 479 There are two representations: 480 - representation position (traditional discrete channel specification, 481 e.g. "left", "right"); 482 - indexed (this is similar to "tracks" in audio mixing, channels 483 are represented using numbers). 484 </xs:documentation> 485 </xs:annotation> 486 <xs:restriction base="xs:string"> 487 <xs:enumeration value="AUDIO_CHANNEL_NONE"/> 488 <xs:enumeration value="AUDIO_CHANNEL_OUT_MONO"/> 489 <xs:enumeration value="AUDIO_CHANNEL_OUT_STEREO"/> 490 <xs:enumeration value="AUDIO_CHANNEL_OUT_2POINT1"/> 491 <xs:enumeration value="AUDIO_CHANNEL_OUT_TRI"/> 492 <xs:enumeration value="AUDIO_CHANNEL_OUT_TRI_BACK"/> 493 <xs:enumeration value="AUDIO_CHANNEL_OUT_3POINT1"/> 494 <xs:enumeration value="AUDIO_CHANNEL_OUT_2POINT0POINT2"/> 495 <xs:enumeration value="AUDIO_CHANNEL_OUT_2POINT1POINT2"/> 496 <xs:enumeration value="AUDIO_CHANNEL_OUT_3POINT0POINT2"/> 497 <xs:enumeration value="AUDIO_CHANNEL_OUT_3POINT1POINT2"/> 498 <xs:enumeration value="AUDIO_CHANNEL_OUT_QUAD"/> 499 <xs:enumeration value="AUDIO_CHANNEL_OUT_QUAD_BACK"/> 500 <xs:enumeration value="AUDIO_CHANNEL_OUT_QUAD_SIDE"/> 501 <xs:enumeration value="AUDIO_CHANNEL_OUT_SURROUND"/> 502 <xs:enumeration value="AUDIO_CHANNEL_OUT_PENTA"/> 503 <xs:enumeration value="AUDIO_CHANNEL_OUT_5POINT1"/> 504 <xs:enumeration value="AUDIO_CHANNEL_OUT_5POINT1_BACK"/> 505 <xs:enumeration value="AUDIO_CHANNEL_OUT_5POINT1_SIDE"/> 506 <xs:enumeration value="AUDIO_CHANNEL_OUT_5POINT1POINT2"/> 507 <xs:enumeration value="AUDIO_CHANNEL_OUT_5POINT1POINT4"/> 508 <xs:enumeration value="AUDIO_CHANNEL_OUT_6POINT1"/> 509 <xs:enumeration value="AUDIO_CHANNEL_OUT_7POINT1"/> 510 <xs:enumeration value="AUDIO_CHANNEL_OUT_7POINT1POINT2"/> 511 <xs:enumeration value="AUDIO_CHANNEL_OUT_7POINT1POINT4"/> 512 <xs:enumeration value="AUDIO_CHANNEL_OUT_13POINT_360RA"/> 513 <xs:enumeration value="AUDIO_CHANNEL_OUT_22POINT2"/> 514 <xs:enumeration value="AUDIO_CHANNEL_OUT_MONO_HAPTIC_A"/> 515 <xs:enumeration value="AUDIO_CHANNEL_OUT_STEREO_HAPTIC_A"/> 516 <xs:enumeration value="AUDIO_CHANNEL_OUT_HAPTIC_AB"/> 517 <xs:enumeration value="AUDIO_CHANNEL_OUT_MONO_HAPTIC_AB"/> 518 <xs:enumeration value="AUDIO_CHANNEL_OUT_STEREO_HAPTIC_AB"/> 519 <xs:enumeration value="AUDIO_CHANNEL_IN_MONO"/> 520 <xs:enumeration value="AUDIO_CHANNEL_IN_STEREO"/> 521 <xs:enumeration value="AUDIO_CHANNEL_IN_FRONT_BACK"/> 522 <xs:enumeration value="AUDIO_CHANNEL_IN_6"/> 523 <xs:enumeration value="AUDIO_CHANNEL_IN_2POINT0POINT2"/> 524 <xs:enumeration value="AUDIO_CHANNEL_IN_2POINT1POINT2"/> 525 <xs:enumeration value="AUDIO_CHANNEL_IN_3POINT0POINT2"/> 526 <xs:enumeration value="AUDIO_CHANNEL_IN_3POINT1POINT2"/> 527 <xs:enumeration value="AUDIO_CHANNEL_IN_5POINT1"/> 528 <xs:enumeration value="AUDIO_CHANNEL_IN_VOICE_UPLINK_MONO"/> 529 <xs:enumeration value="AUDIO_CHANNEL_IN_VOICE_DNLINK_MONO"/> 530 <xs:enumeration value="AUDIO_CHANNEL_IN_VOICE_CALL_MONO"/> 531 <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_1"/> 532 <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_2"/> 533 <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_3"/> 534 <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_4"/> 535 <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_5"/> 536 <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_6"/> 537 <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_7"/> 538 <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_8"/> 539 <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_9"/> 540 <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_10"/> 541 <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_11"/> 542 <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_12"/> 543 <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_13"/> 544 <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_14"/> 545 <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_15"/> 546 <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_16"/> 547 <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_17"/> 548 <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_18"/> 549 <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_19"/> 550 <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_20"/> 551 <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_21"/> 552 <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_22"/> 553 <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_23"/> 554 <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_24"/> 555 </xs:restriction> 556 </xs:simpleType> 557 <xs:simpleType name="channelMasks"> 558 <xs:list itemType="audioChannelMask" /> 559 </xs:simpleType> 560 <xs:simpleType name="audioEncapsulationType"> 561 <xs:restriction base="xs:string"> 562 <xs:enumeration value="AUDIO_ENCAPSULATION_TYPE_NONE"/> 563 <xs:enumeration value="AUDIO_ENCAPSULATION_TYPE_IEC61937"/> 564 </xs:restriction> 565 </xs:simpleType> 566 <xs:complexType name="profile"> 567 <xs:attribute name="name" type="xs:token" use="optional"/> 568 <xs:attribute name="format" type="extendableAudioFormat" use="optional"/> 569 <xs:attribute name="samplingRates" type="samplingRates" use="optional"/> 570 <xs:attribute name="channelMasks" type="channelMasks" use="optional"/> 571 <xs:attribute name="encapsulationType" type="audioEncapsulationType" use="optional"/> 572 </xs:complexType> 573 <xs:simpleType name="audioGainMode"> 574 <xs:restriction base="xs:string"> 575 <xs:enumeration value="AUDIO_GAIN_MODE_JOINT"/> 576 <xs:enumeration value="AUDIO_GAIN_MODE_CHANNELS"/> 577 <xs:enumeration value="AUDIO_GAIN_MODE_RAMP"/> 578 </xs:restriction> 579 </xs:simpleType> 580 <xs:simpleType name="audioGainModeMaskUnrestricted"> 581 <xs:list itemType="audioGainMode" /> 582 </xs:simpleType> 583 <xs:simpleType name='audioGainModeMask'> 584 <xs:restriction base='audioGainModeMaskUnrestricted'> 585 <xs:minLength value='1' /> 586 </xs:restriction> 587 </xs:simpleType> 588 <xs:complexType name="gains"> 589 <xs:sequence> 590 <xs:element name="gain" minOccurs="0" maxOccurs="unbounded"> 591 <xs:complexType> 592 <xs:attribute name="name" type="xs:token" use="required"/> 593 <xs:attribute name="mode" type="audioGainModeMask" use="required"/> 594 <xs:attribute name="channel_mask" type="audioChannelMask" use="optional"/> 595 <xs:attribute name="minValueMB" type="xs:int" use="optional"/> 596 <xs:attribute name="maxValueMB" type="xs:int" use="optional"/> 597 <xs:attribute name="defaultValueMB" type="xs:int" use="optional"/> 598 <xs:attribute name="stepValueMB" type="xs:int" use="optional"/> 599 <xs:attribute name="minRampMs" type="xs:int" use="optional"/> 600 <xs:attribute name="maxRampMs" type="xs:int" use="optional"/> 601 <xs:attribute name="useForVolume" type="xs:boolean" use="optional"/> 602 </xs:complexType> 603 </xs:element> 604 </xs:sequence> 605 </xs:complexType> 606 <xs:complexType name="devicePorts"> 607 <xs:sequence> 608 <xs:element name="devicePort" minOccurs="0" maxOccurs="unbounded"> 609 <xs:complexType> 610 <xs:sequence> 611 <xs:element name="profile" type="profile" minOccurs="0" maxOccurs="unbounded"/> 612 <xs:element name="gains" type="gains" minOccurs="0"/> 613 </xs:sequence> 614 <xs:attribute name="tagName" type="xs:token" use="required"/> 615 <xs:attribute name="type" type="extendableAudioDevice" use="required"/> 616 <xs:attribute name="role" type="role" use="required"/> 617 <xs:attribute name="address" type="xs:string" use="optional" default=""/> 618 <!-- Note that XSD 1.0 can not check that a type only has one default. --> 619 <xs:attribute name="default" type="xs:boolean" use="optional"> 620 <xs:annotation> 621 <xs:documentation xml:lang="en"> 622 The default device will be used if multiple have the same type 623 and no explicit route request exists for a specific device of 624 that type. 625 </xs:documentation> 626 </xs:annotation> 627 </xs:attribute> 628 <xs:attribute name="encodedFormats" type="audioFormatsList" use="optional" 629 default="" /> 630 </xs:complexType> 631 <xs:unique name="devicePortProfileUniqueness"> 632 <xs:selector xpath="profile"/> 633 <xs:field xpath="format"/> 634 <xs:field xpath="samplingRate"/> 635 <xs:field xpath="channelMasks"/> 636 </xs:unique> 637 <xs:unique name="devicePortGainUniqueness"> 638 <xs:selector xpath="gains/gain"/> 639 <xs:field xpath="@name"/> 640 </xs:unique> 641 </xs:element> 642 </xs:sequence> 643 </xs:complexType> 644 <xs:simpleType name="mixType"> 645 <xs:restriction base="xs:string"> 646 <xs:enumeration value="mix"/> 647 <xs:enumeration value="mux"/> 648 </xs:restriction> 649 </xs:simpleType> 650 <xs:complexType name="routes"> 651 <xs:sequence> 652 <xs:element name="route" minOccurs="0" maxOccurs="unbounded"> 653 <xs:annotation> 654 <xs:documentation xml:lang="en"> 655 List all available sources for a given sink. 656 </xs:documentation> 657 </xs:annotation> 658 <xs:complexType> 659 <xs:attribute name="type" type="mixType" use="required"/> 660 <xs:attribute name="sink" type="xs:string" use="required"/> 661 <xs:attribute name="sources" type="xs:string" use="required"/> 662 </xs:complexType> 663 </xs:element> 664 </xs:sequence> 665 </xs:complexType> 666 <xs:complexType name="volumes"> 667 <xs:sequence> 668 <xs:element name="volume" type="volume" minOccurs="0" maxOccurs="unbounded"/> 669 <xs:element name="reference" type="reference" minOccurs="0" maxOccurs="unbounded"> 670 </xs:element> 671 </xs:sequence> 672 </xs:complexType> 673 <!-- TODO: Always require a ref for better xsd validations. 674 Currently a volume could have no points nor ref 675 as it can not be forbidden by xsd 1.0.--> 676 <xs:simpleType name="volumePoint"> 677 <xs:annotation> 678 <xs:documentation xml:lang="en"> 679 Comma separated pair of number. 680 The fist one is the framework level (between 0 and 100). 681 The second one is the volume to send to the HAL. 682 The framework will interpolate volumes not specified. 683 Their MUST be at least 2 points specified. 684 </xs:documentation> 685 </xs:annotation> 686 <xs:restriction base="xs:string"> 687 <xs:pattern value="([0-9]{1,2}|100),-?[0-9]+"/> 688 </xs:restriction> 689 </xs:simpleType> 690 <xs:simpleType name="audioStreamType"> 691 <xs:annotation> 692 <xs:documentation xml:lang="en"> 693 Audio stream type describing the intended use case of a stream. 694 Please consult frameworks/base/media/java/android/media/AudioSystem.java 695 for the description of each value. 696 </xs:documentation> 697 </xs:annotation> 698 <xs:restriction base="xs:string"> 699 <xs:enumeration value="AUDIO_STREAM_VOICE_CALL"/> 700 <xs:enumeration value="AUDIO_STREAM_SYSTEM"/> 701 <xs:enumeration value="AUDIO_STREAM_RING"/> 702 <xs:enumeration value="AUDIO_STREAM_MUSIC"/> 703 <xs:enumeration value="AUDIO_STREAM_ALARM"/> 704 <xs:enumeration value="AUDIO_STREAM_NOTIFICATION"/> 705 <xs:enumeration value="AUDIO_STREAM_BLUETOOTH_SCO"/> 706 <xs:enumeration value="AUDIO_STREAM_ENFORCED_AUDIBLE"/> 707 <xs:enumeration value="AUDIO_STREAM_DTMF"/> 708 <xs:enumeration value="AUDIO_STREAM_TTS"/> 709 <xs:enumeration value="AUDIO_STREAM_ACCESSIBILITY"/> 710 <xs:enumeration value="AUDIO_STREAM_ASSISTANT"/> 711 <xs:enumeration value="AUDIO_STREAM_REROUTING"/> 712 <xs:enumeration value="AUDIO_STREAM_PATCH"/> 713 <xs:enumeration value="AUDIO_STREAM_CALL_ASSISTANT"/> 714 </xs:restriction> 715 </xs:simpleType> 716 <xs:simpleType name="audioSource"> 717 <xs:annotation> 718 <xs:documentation xml:lang="en"> 719 An audio source defines the intended use case for the sound being recorded. 720 Please consult frameworks/base/media/java/android/media/MediaRecorder.java 721 for the description of each value. 722 </xs:documentation> 723 </xs:annotation> 724 <xs:restriction base="xs:string"> 725 <xs:enumeration value="AUDIO_SOURCE_DEFAULT"/> 726 <xs:enumeration value="AUDIO_SOURCE_MIC"/> 727 <xs:enumeration value="AUDIO_SOURCE_VOICE_UPLINK"/> 728 <xs:enumeration value="AUDIO_SOURCE_VOICE_DOWNLINK"/> 729 <xs:enumeration value="AUDIO_SOURCE_VOICE_CALL"/> 730 <xs:enumeration value="AUDIO_SOURCE_CAMCORDER"/> 731 <xs:enumeration value="AUDIO_SOURCE_VOICE_RECOGNITION"/> 732 <xs:enumeration value="AUDIO_SOURCE_VOICE_COMMUNICATION"/> 733 <xs:enumeration value="AUDIO_SOURCE_REMOTE_SUBMIX"/> 734 <xs:enumeration value="AUDIO_SOURCE_UNPROCESSED"/> 735 <xs:enumeration value="AUDIO_SOURCE_VOICE_PERFORMANCE"/> 736 <xs:enumeration value="AUDIO_SOURCE_ECHO_REFERENCE"/> 737 <xs:enumeration value="AUDIO_SOURCE_FM_TUNER"/> 738 <xs:enumeration value="AUDIO_SOURCE_HOTWORD"/> 739 </xs:restriction> 740 </xs:simpleType> 741 <!-- Enum values of device_category from Volume.h. --> 742 <xs:simpleType name="deviceCategory"> 743 <xs:restriction base="xs:string"> 744 <xs:enumeration value="DEVICE_CATEGORY_HEADSET"/> 745 <xs:enumeration value="DEVICE_CATEGORY_SPEAKER"/> 746 <xs:enumeration value="DEVICE_CATEGORY_EARPIECE"/> 747 <xs:enumeration value="DEVICE_CATEGORY_EXT_MEDIA"/> 748 <xs:enumeration value="DEVICE_CATEGORY_HEARING_AID"/> 749 </xs:restriction> 750 </xs:simpleType> 751 <xs:complexType name="volume"> 752 <xs:annotation> 753 <xs:documentation xml:lang="en"> 754 Volume section defines a volume curve for a given use case and device category. 755 It contains a list of points of this curve expressing the attenuation in Millibels 756 for a given volume index from 0 to 100. 757 <volume stream="AUDIO_STREAM_MUSIC" deviceCategory="DEVICE_CATEGORY_SPEAKER"> 758 <point>0,-9600</point> 759 <point>100,0</point> 760 </volume> 761 762 It may also reference a reference/@name to avoid duplicating curves. 763 <volume stream="AUDIO_STREAM_MUSIC" deviceCategory="DEVICE_CATEGORY_SPEAKER" 764 ref="DEFAULT_MEDIA_VOLUME_CURVE"/> 765 <reference name="DEFAULT_MEDIA_VOLUME_CURVE"> 766 <point>0,-9600</point> 767 <point>100,0</point> 768 </reference> 769 </xs:documentation> 770 </xs:annotation> 771 <xs:sequence> 772 <xs:element name="point" type="volumePoint" minOccurs="0" maxOccurs="unbounded"/> 773 </xs:sequence> 774 <xs:attribute name="stream" type="audioStreamType"/> 775 <xs:attribute name="deviceCategory" type="deviceCategory"/> 776 <xs:attribute name="ref" type="xs:token" use="optional"/> 777 </xs:complexType> 778 <xs:complexType name="reference"> 779 <xs:sequence> 780 <xs:element name="point" type="volumePoint" minOccurs="2" maxOccurs="unbounded"/> 781 </xs:sequence> 782 <xs:attribute name="name" type="xs:token" use="required"/> 783 </xs:complexType> 784 <xs:complexType name="surroundSound"> 785 <xs:annotation> 786 <xs:documentation xml:lang="en"> 787 Surround Sound section provides configuration related to handling of 788 multi-channel formats. 789 </xs:documentation> 790 </xs:annotation> 791 <xs:sequence> 792 <xs:element name="formats" type="surroundFormats"/> 793 </xs:sequence> 794 </xs:complexType> 795 <xs:simpleType name="audioFormatsList"> 796 <xs:list itemType="extendableAudioFormat" /> 797 </xs:simpleType> 798 <xs:complexType name="surroundFormats"> 799 <xs:sequence> 800 <xs:element name="format" minOccurs="0" maxOccurs="unbounded"> 801 <xs:complexType> 802 <xs:attribute name="name" type="extendableAudioFormat" use="required"/> 803 <xs:attribute name="subformats" type="audioFormatsList" /> 804 </xs:complexType> 805 </xs:element> 806 </xs:sequence> 807 </xs:complexType> 808 <xs:simpleType name="engineSuffix"> 809 <xs:restriction base="xs:string"> 810 <xs:enumeration value="default"/> 811 <xs:enumeration value="configurable"/> 812 </xs:restriction> 813 </xs:simpleType> 814</xs:schema> 815