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Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -08001/*
2 * Copyright (C) 2009 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
François Gaffiead3183e2015-03-18 16:55:35 +010017#pragma once
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -080018
Mikhail Naganov2773dd72017-12-08 10:12:11 -080019#include <atomic>
Mikhail Naganov37977152018-07-11 15:54:44 -070020#include <functional>
Mikhail Naganovbcbcb1b2017-12-13 13:03:35 -080021#include <memory>
jiabin81772902018-04-02 17:52:27 -070022#include <unordered_set>
Mikhail Naganov2773dd72017-12-08 10:12:11 -080023
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -080024#include <stdint.h>
25#include <sys/types.h>
26#include <cutils/config_utils.h>
27#include <cutils/misc.h>
28#include <utils/Timers.h>
29#include <utils/Errors.h>
30#include <utils/KeyedVector.h>
31#include <utils/SortedVector.h>
Andy Hung2ddee192015-12-18 17:34:44 -080032#include <media/AudioParameter.h>
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -080033#include <media/AudioPolicy.h>
jiabin811797a2019-09-10 14:29:14 -070034#include <media/AudioProfile.h>
Mikhail Naganov15be9d22017-11-08 14:18:13 +110035#include <media/PatchBuilder.h>
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -080036#include "AudioPolicyInterface.h"
37
Nathalie Le Clair88fa2752021-11-23 13:03:41 +010038#include <android/media/audio/common/AudioPort.h>
François Gaffie2110e042015-03-24 08:41:51 +010039#include <AudioPolicyManagerObserver.h>
Mikhail Naganovad3f8a12017-12-12 13:24:23 -080040#include <AudioPolicyConfig.h>
jiabine1284852019-09-11 10:15:46 -070041#include <PolicyAudioPort.h>
François Gaffie98cc1912015-03-18 17:52:40 +010042#include <AudioPatch.h>
François Gaffie98cc1912015-03-18 17:52:40 +010043#include <DeviceDescriptor.h>
44#include <IOProfile.h>
45#include <HwModule.h>
46#include <AudioInputDescriptor.h>
47#include <AudioOutputDescriptor.h>
François Gaffie036e1e92015-03-19 10:16:24 +010048#include <AudioPolicyMix.h>
François Gaffie45ed3b02015-03-19 10:35:14 +010049#include <EffectDescriptor.h>
François Gaffiedf372692015-03-19 10:43:27 +010050#include <SoundTriggerSession.h>
Mikhail Naganov47835552019-05-14 10:32:51 -070051#include "EngineLibrary.h"
Eric Laurentf5aa58d2019-02-22 18:20:11 -080052#include "TypeConverter.h"
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -080053
54namespace android {
55
Svet Ganov3e5f14f2021-05-13 22:51:08 +000056using content::AttributionSourceState;
57
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -080058// ----------------------------------------------------------------------------
59
60// Attenuation applied to STRATEGY_SONIFICATION streams when a headset is connected: 6dB
Eric Laurentffbc80f2015-03-18 18:30:19 -070061#define SONIFICATION_HEADSET_VOLUME_FACTOR_DB (-6)
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -080062// Min volume for STRATEGY_SONIFICATION streams when limited by music volume: -36dB
Eric Laurentffbc80f2015-03-18 18:30:19 -070063#define SONIFICATION_HEADSET_VOLUME_MIN_DB (-36)
Jean-Michel Trivi00a20962016-05-25 19:11:01 -070064// Max volume difference on A2DP between playing media and STRATEGY_SONIFICATION streams: 12dB
65#define SONIFICATION_A2DP_MAX_MEDIA_DIFF_DB (12)
Eric Laurentffbc80f2015-03-18 18:30:19 -070066
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -080067// Time in milliseconds during which we consider that music is still active after a music
68// track was stopped - see computeVolume()
69#define SONIFICATION_HEADSET_MUSIC_DELAY 5000
François Gaffie2110e042015-03-24 08:41:51 +010070
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -080071// Time in milliseconds during witch some streams are muted while the audio path
72// is switched
73#define MUTE_TIME_MS 2000
74
Eric Laurentac3a6902018-05-11 16:39:10 -070075// multiplication factor applied to output latency when calculating a safe mute delay when
76// invalidating tracks
77#define LATENCY_MUTE_FACTOR 4
78
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -080079#define NUM_TEST_OUTPUTS 5
80
81#define NUM_VOL_CURVE_KNEES 2
82
83// Default minimum length allowed for offloading a compressed track
84// Can be overridden by the audio.offload.min.duration.secs property
85#define OFFLOAD_DEFAULT_MIN_DURATION_SECS 60
86
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -080087// ----------------------------------------------------------------------------
88// AudioPolicyManager implements audio policy manager behavior common to all platforms.
89// ----------------------------------------------------------------------------
90
François Gaffie2110e042015-03-24 08:41:51 +010091class AudioPolicyManager : public AudioPolicyInterface, public AudioPolicyManagerObserver
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -080092{
93
94public:
Chih-Hung Hsiehe964d4e2016-08-09 14:31:32 -070095 explicit AudioPolicyManager(AudioPolicyClientInterface *clientInterface);
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -080096 virtual ~AudioPolicyManager();
97
98 // AudioPolicyInterface
Nathalie Le Clair88fa2752021-11-23 13:03:41 +010099 virtual status_t setDeviceConnectionState(audio_policy_dev_state_t state,
100 const android::media::audio::common::AudioPort& port, audio_format_t encodedFormat);
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800101 virtual audio_policy_dev_state_t getDeviceConnectionState(audio_devices_t device,
102 const char *device_address);
Pavlin Radoslavovf862bc62016-12-26 18:57:22 -0800103 virtual status_t handleDeviceConfigChange(audio_devices_t device,
104 const char *device_address,
Aniket Kumar Lata4e464702019-01-10 23:38:46 -0800105 const char *device_name,
106 audio_format_t encodedFormat);
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800107 virtual void setPhoneState(audio_mode_t state);
108 virtual void setForceUse(audio_policy_force_use_t usage,
109 audio_policy_forced_cfg_t config);
110 virtual audio_policy_forced_cfg_t getForceUse(audio_policy_force_use_t usage);
François Gaffie2110e042015-03-24 08:41:51 +0100111
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800112 virtual void setSystemProperty(const char* property, const char* value);
113 virtual status_t initCheck();
Eric Laurentf4e63452017-11-06 19:31:46 +0000114 virtual audio_io_handle_t getOutput(audio_stream_type_t stream);
Kevin Rocard153f92d2018-12-18 18:33:28 -0800115 status_t getOutputForAttr(const audio_attributes_t *attr,
116 audio_io_handle_t *output,
117 audio_session_t session,
118 audio_stream_type_t *stream,
Svet Ganov3e5f14f2021-05-13 22:51:08 +0000119 const AttributionSourceState& attributionSource,
Kevin Rocard153f92d2018-12-18 18:33:28 -0800120 const audio_config_t *config,
121 audio_output_flags_t *flags,
122 audio_port_handle_t *selectedDeviceId,
123 audio_port_handle_t *portId,
Eric Laurent8a1095a2019-11-08 14:44:16 -0800124 std::vector<audio_io_handle_t> *secondaryOutputs,
125 output_type_t *outputType) override;
Eric Laurent8fc147b2018-07-22 19:13:55 -0700126 virtual status_t startOutput(audio_port_handle_t portId);
127 virtual status_t stopOutput(audio_port_handle_t portId);
jiabinbce0c1d2020-10-05 11:20:18 -0700128 virtual bool releaseOutput(audio_port_handle_t portId);
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800129 virtual status_t getInputForAttr(const audio_attributes_t *attr,
130 audio_io_handle_t *input,
Mikhail Naganov2996f672019-04-18 12:29:59 -0700131 audio_unique_id_t riid,
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800132 audio_session_t session,
Svet Ganov3e5f14f2021-05-13 22:51:08 +0000133 const AttributionSourceState& attributionSource,
Eric Laurent20b9ef02016-12-05 11:03:16 -0800134 const audio_config_base_t *config,
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800135 audio_input_flags_t flags,
Eric Laurent2ac76942017-06-22 17:17:09 -0700136 audio_port_handle_t *selectedDeviceId,
Eric Laurent20b9ef02016-12-05 11:03:16 -0800137 input_type_t *inputType,
138 audio_port_handle_t *portId);
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800139
140 // indicates to the audio policy manager that the input starts being used.
Eric Laurent4eb58f12018-12-07 16:41:02 -0800141 virtual status_t startInput(audio_port_handle_t portId);
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800142
143 // indicates to the audio policy manager that the input stops being used.
Eric Laurent8fc147b2018-07-22 19:13:55 -0700144 virtual status_t stopInput(audio_port_handle_t portId);
145 virtual void releaseInput(audio_port_handle_t portId);
Eric Laurent0dd51852019-04-19 18:18:58 -0700146 virtual void checkCloseInputs();
François Gaffie251c7f02018-11-07 10:41:08 +0100147 /**
148 * @brief initStreamVolume: even if the engine volume files provides min and max, keep this
149 * api for compatibility reason.
150 * AudioServer will get the min and max and may overwrite them if:
151 * -using property (highest priority)
152 * -not defined (-1 by convention), case when still using apm volume tables XML files
153 * @param stream to be considered
154 * @param indexMin to set
155 * @param indexMax to set
156 */
157 virtual void initStreamVolume(audio_stream_type_t stream, int indexMin, int indexMax);
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800158 virtual status_t setStreamVolumeIndex(audio_stream_type_t stream,
159 int index,
160 audio_devices_t device);
161 virtual status_t getStreamVolumeIndex(audio_stream_type_t stream,
162 int *index,
163 audio_devices_t device);
164
François Gaffiecfe17322018-11-07 13:41:29 +0100165 virtual status_t setVolumeIndexForAttributes(const audio_attributes_t &attr,
166 int index,
167 audio_devices_t device);
168 virtual status_t getVolumeIndexForAttributes(const audio_attributes_t &attr,
169 int &index,
170 audio_devices_t device);
171 virtual status_t getMaxVolumeIndexForAttributes(const audio_attributes_t &attr, int &index);
172
173 virtual status_t getMinVolumeIndexForAttributes(const audio_attributes_t &attr, int &index);
174
François Gaffieaaac0fd2018-11-22 17:56:39 +0100175 status_t setVolumeCurveIndex(int index,
François Gaffiecfe17322018-11-07 13:41:29 +0100176 audio_devices_t device,
177 IVolumeCurves &volumeCurves);
178
179 status_t getVolumeIndex(const IVolumeCurves &curves, int &index,
jiabin9a3361e2019-10-01 09:38:30 -0700180 const DeviceTypeSet& deviceTypes) const;
François Gaffiecfe17322018-11-07 13:41:29 +0100181
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800182 // return the strategy corresponding to a given stream type
Ytai Ben-Tsvi0a4904a2021-01-06 12:57:05 -0800183 virtual product_strategy_t getStrategyForStream(audio_stream_type_t stream)
François Gaffiec005e562018-11-06 15:04:49 +0100184 {
185 return streamToStrategy(stream);
186 }
187 product_strategy_t streamToStrategy(audio_stream_type_t stream) const
188 {
189 auto attributes = mEngine->getAttributesForStreamType(stream);
190 return mEngine->getProductStrategyForAttributes(attributes);
191 }
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800192
193 // return the enabled output devices for the given stream type
Mikhail Naganov5478fc12021-07-08 16:13:29 -0700194 virtual DeviceTypeSet getDevicesForStream(audio_stream_type_t stream);
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800195
Andy Hung6d23c0f2022-02-16 09:37:15 -0800196 /**
197 * Returns a vector of devices associated with attributes.
198 *
199 * An AudioTrack opened with specified attributes should play on the returned devices.
200 * If forVolume is set to true, the caller is AudioService, determining the proper
201 * device volume to adjust.
202 *
203 * Devices are determined in the following precedence:
204 * 1) Devices associated with a dynamic policy matching the attributes. This is often
205 * a remote submix from MIX_ROUTE_FLAG_LOOP_BACK. Secondary mixes from a
206 * dynamic policy are not included.
207 *
208 * If no such dynamic policy then
209 * 2) Devices containing an active client using setPreferredDevice
210 * with same strategy as the attributes.
211 * (from the default Engine::getOutputDevicesForAttributes() implementation).
212 *
213 * If no corresponding active client with setPreferredDevice then
214 * 3) Devices associated with the strategy determined by the attributes
215 * (from the default Engine::getOutputDevicesForAttributes() implementation).
216 *
217 * @param attributes to be considered
218 * @param devices an AudioDeviceTypeAddrVector container passed in that
219 * will be filled on success.
220 * @param forVolume true if the devices are to be associated with current device volume.
221 * @return NO_ERROR on success.
222 */
Jean-Michel Trivif41599b2020-01-07 14:22:08 -0800223 virtual status_t getDevicesForAttributes(
224 const audio_attributes_t &attributes,
Andy Hung6d23c0f2022-02-16 09:37:15 -0800225 AudioDeviceTypeAddrVector *devices,
226 bool forVolume);
Jean-Michel Trivif41599b2020-01-07 14:22:08 -0800227
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800228 virtual audio_io_handle_t getOutputForEffect(const effect_descriptor_t *desc = NULL);
229 virtual status_t registerEffect(const effect_descriptor_t *desc,
230 audio_io_handle_t io,
Ytai Ben-Tsvi0a4904a2021-01-06 12:57:05 -0800231 product_strategy_t strategy,
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800232 int session,
233 int id);
Eric Laurentc241b0d2018-11-28 09:08:49 -0800234 virtual status_t unregisterEffect(int id);
235 virtual status_t setEffectEnabled(int id, bool enabled);
Eric Laurent6c796322019-04-09 14:13:17 -0700236 status_t moveEffectsToIo(const std::vector<int>& ids, audio_io_handle_t io) override;
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800237
Eric Laurentc75307b2015-03-17 15:29:32 -0700238 virtual bool isStreamActive(audio_stream_type_t stream, uint32_t inPastMs = 0) const;
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800239 // return whether a stream is playing remotely, override to change the definition of
240 // local/remote playback, used for instance by notification manager to not make
241 // media players lose audio focus when not playing locally
242 // For the base implementation, "remotely" means playing during screen mirroring which
243 // uses an output for playback with a non-empty, non "0" address.
Eric Laurentc75307b2015-03-17 15:29:32 -0700244 virtual bool isStreamActiveRemotely(audio_stream_type_t stream,
245 uint32_t inPastMs = 0) const;
246
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800247 virtual bool isSourceActive(audio_source_t source) const;
248
Mikhail Naganov100f0122018-11-29 11:22:16 -0800249 // helpers for dump(int fd)
250 void dumpManualSurroundFormats(String8 *dst) const;
251 void dump(String8 *dst) const;
Andy Hungc29d82b2018-10-05 12:23:17 -0700252
253 status_t dump(int fd) override;
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800254
Kevin Rocardb99cc752019-03-21 20:52:24 -0700255 status_t setAllowedCapturePolicy(uid_t uid, audio_flags_mask_t capturePolicy) override;
Eric Laurent90fe31c2020-11-26 20:06:35 +0100256 virtual audio_offload_mode_t getOffloadSupport(const audio_offload_info_t& offloadInfo);
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800257
Michael Chana94fbb22018-04-24 14:31:19 +1000258 virtual bool isDirectOutputSupported(const audio_config_base_t& config,
259 const audio_attributes_t& attributes);
260
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800261 virtual status_t listAudioPorts(audio_port_role_t role,
262 audio_port_type_t type,
263 unsigned int *num_ports,
jiabin19cdba52020-11-24 11:28:58 -0800264 struct audio_port_v7 *ports,
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800265 unsigned int *generation);
jiabin19cdba52020-11-24 11:28:58 -0800266 virtual status_t getAudioPort(struct audio_port_v7 *port);
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800267 virtual status_t createAudioPatch(const struct audio_patch *patch,
268 audio_patch_handle_t *handle,
François Gaffieafd4cea2019-11-18 15:50:22 +0100269 uid_t uid) {
270 return createAudioPatchInternal(patch, handle, uid);
271 }
272
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800273 virtual status_t releaseAudioPatch(audio_patch_handle_t handle,
274 uid_t uid);
275 virtual status_t listAudioPatches(unsigned int *num_patches,
276 struct audio_patch *patches,
277 unsigned int *generation);
278 virtual status_t setAudioPortConfig(const struct audio_port_config *config);
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800279
Eric Laurentd60560a2015-04-10 11:31:20 -0700280 virtual void releaseResourcesForUid(uid_t uid);
281
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800282 virtual status_t acquireSoundTriggerSession(audio_session_t *session,
283 audio_io_handle_t *ioHandle,
284 audio_devices_t *device);
285
François Gaffiedf372692015-03-19 10:43:27 +0100286 virtual status_t releaseSoundTriggerSession(audio_session_t session)
287 {
288 return mSoundTriggerSessions.releaseSession(session);
289 }
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800290
Chih-Hung Hsiehe964d4e2016-08-09 14:31:32 -0700291 virtual status_t registerPolicyMixes(const Vector<AudioMix>& mixes);
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800292 virtual status_t unregisterPolicyMixes(Vector<AudioMix> mixes);
Jean-Michel Trivibda70da2018-12-19 07:30:15 -0800293 virtual status_t setUidDeviceAffinities(uid_t uid,
jiabin6a02d532020-08-07 11:56:38 -0700294 const AudioDeviceTypeAddrVector& devices);
Jean-Michel Trivibda70da2018-12-19 07:30:15 -0800295 virtual status_t removeUidDeviceAffinities(uid_t uid);
Oscar Azucena90e77632019-11-27 17:12:28 -0800296 virtual status_t setUserIdDeviceAffinities(int userId,
jiabin6a02d532020-08-07 11:56:38 -0700297 const AudioDeviceTypeAddrVector& devices);
Oscar Azucena90e77632019-11-27 17:12:28 -0800298 virtual status_t removeUserIdDeviceAffinities(int userId);
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800299
jiabin0a488932020-08-07 17:32:40 -0700300 virtual status_t setDevicesRoleForStrategy(product_strategy_t strategy,
301 device_role_t role,
302 const AudioDeviceTypeAddrVector &devices);
303
304 virtual status_t removeDevicesRoleForStrategy(product_strategy_t strategy,
305 device_role_t role);
306
307
308 virtual status_t getDevicesForRoleAndStrategy(product_strategy_t strategy,
309 device_role_t role,
310 AudioDeviceTypeAddrVector &devices);
Jean-Michel Trivi30857152019-11-01 11:04:15 -0700311
Jiabin Huang3b98d322020-09-03 17:54:16 +0000312 virtual status_t setDevicesRoleForCapturePreset(audio_source_t audioSource,
313 device_role_t role,
314 const AudioDeviceTypeAddrVector &devices);
315
316 virtual status_t addDevicesRoleForCapturePreset(audio_source_t audioSource,
317 device_role_t role,
318 const AudioDeviceTypeAddrVector &devices);
319
320 virtual status_t removeDevicesRoleForCapturePreset(
321 audio_source_t audioSource, device_role_t role,
322 const AudioDeviceTypeAddrVector& devices);
323
324 virtual status_t clearDevicesRoleForCapturePreset(audio_source_t audioSource,
325 device_role_t role);
326
327 virtual status_t getDevicesForRoleAndCapturePreset(audio_source_t audioSource,
328 device_role_t role,
329 AudioDeviceTypeAddrVector &devices);
330
Eric Laurent554a2772015-04-10 11:29:24 -0700331 virtual status_t startAudioSource(const struct audio_port_config *source,
332 const audio_attributes_t *attributes,
Eric Laurent3e6c7e12018-07-27 17:09:23 -0700333 audio_port_handle_t *portId,
Eric Laurentd60560a2015-04-10 11:31:20 -0700334 uid_t uid);
Eric Laurent3e6c7e12018-07-27 17:09:23 -0700335 virtual status_t stopAudioSource(audio_port_handle_t portId);
Eric Laurent554a2772015-04-10 11:29:24 -0700336
Andy Hung2ddee192015-12-18 17:34:44 -0800337 virtual status_t setMasterMono(bool mono);
338 virtual status_t getMasterMono(bool *mono);
Eric Laurentac9cef52017-06-09 15:46:26 -0700339 virtual float getStreamVolumeDB(
340 audio_stream_type_t stream, int index, audio_devices_t device);
Andy Hung2ddee192015-12-18 17:34:44 -0800341
jiabin81772902018-04-02 17:52:27 -0700342 virtual status_t getSurroundFormats(unsigned int *numSurroundFormats,
343 audio_format_t *surroundFormats,
Kriti Dang6537def2021-03-02 13:46:59 +0100344 bool *surroundFormatsEnabled);
345 virtual status_t getReportedSurroundFormats(unsigned int *numSurroundFormats,
346 audio_format_t *surroundFormats);
jiabin81772902018-04-02 17:52:27 -0700347 virtual status_t setSurroundFormatEnabled(audio_format_t audioFormat, bool enabled);
348
Pattydd807582021-11-04 21:01:03 +0800349 virtual status_t getHwOffloadFormatsSupportedForBluetoothMedia(
350 audio_devices_t device, std::vector<audio_format_t> *formats);
Arun Mirpuri11029ad2018-12-19 20:45:19 -0800351
Eric Laurent5ada82e2019-08-29 17:53:54 -0700352 virtual void setAppState(audio_port_handle_t portId, app_state_t state);
Svet Ganovf4ddfef2018-01-16 07:37:58 -0800353
jiabin6012f912018-11-02 17:06:30 -0700354 virtual bool isHapticPlaybackSupported();
355
Carter Hsu325a8eb2022-01-19 19:56:51 +0800356 virtual bool isUltrasoundSupported();
357
François Gaffied0ba9ed2018-11-05 11:50:42 +0100358 virtual status_t listAudioProductStrategies(AudioProductStrategyVector &strategies)
359 {
360 return mEngine->listAudioProductStrategies(strategies);
361 }
362
Francois Gaffie11b65922020-09-24 16:59:08 +0200363 virtual status_t getProductStrategyFromAudioAttributes(
364 const AudioAttributes &aa, product_strategy_t &productStrategy,
365 bool fallbackOnDefault)
François Gaffied0ba9ed2018-11-05 11:50:42 +0100366 {
Francois Gaffie11b65922020-09-24 16:59:08 +0200367 productStrategy = mEngine->getProductStrategyForAttributes(
368 aa.getAttributes(), fallbackOnDefault);
369 return (fallbackOnDefault && productStrategy == PRODUCT_STRATEGY_NONE) ?
370 BAD_VALUE : NO_ERROR;
François Gaffie4b2018b2018-11-07 11:18:59 +0100371 }
372
373 virtual status_t listAudioVolumeGroups(AudioVolumeGroupVector &groups)
374 {
375 return mEngine->listAudioVolumeGroups(groups);
376 }
377
Francois Gaffie11b65922020-09-24 16:59:08 +0200378 virtual status_t getVolumeGroupFromAudioAttributes(
379 const AudioAttributes &aa, volume_group_t &volumeGroup, bool fallbackOnDefault)
François Gaffie4b2018b2018-11-07 11:18:59 +0100380 {
Francois Gaffie11b65922020-09-24 16:59:08 +0200381 volumeGroup = mEngine->getVolumeGroupForAttributes(
382 aa.getAttributes(), fallbackOnDefault);
383 return (fallbackOnDefault && volumeGroup == VOLUME_GROUP_NONE) ?
384 BAD_VALUE : NO_ERROR;
François Gaffied0ba9ed2018-11-05 11:50:42 +0100385 }
386
Eric Laurentfa0f6742021-08-17 18:39:44 +0200387 virtual bool canBeSpatialized(const audio_attributes_t *attr,
Eric Laurentcad6c0d2021-07-13 15:12:39 +0200388 const audio_config_t *config,
Eric Laurentb4f42a92022-01-17 17:37:31 +0100389 const AudioDeviceTypeAddrVector &devices) const {
390 return canBeSpatializedInt(attr, config, devices);
391 }
Eric Laurentcad6c0d2021-07-13 15:12:39 +0200392
Eric Laurentfa0f6742021-08-17 18:39:44 +0200393 virtual status_t getSpatializerOutput(const audio_config_base_t *config,
Eric Laurentcad6c0d2021-07-13 15:12:39 +0200394 const audio_attributes_t *attr,
395 audio_io_handle_t *output);
396
Eric Laurentfa0f6742021-08-17 18:39:44 +0200397 virtual status_t releaseSpatializerOutput(audio_io_handle_t output);
Eric Laurentcad6c0d2021-07-13 15:12:39 +0200398
jiabin2b9d5a12021-12-10 01:06:29 +0000399 virtual audio_direct_mode_t getDirectPlaybackSupport(const audio_attributes_t *attr,
400 const audio_config_t *config);
401
Dorin Drimusf2196d82022-01-03 12:11:18 +0100402 virtual status_t getDirectProfilesForAttributes(const audio_attributes_t* attr,
403 AudioProfileVector& audioProfiles);
404
Eric Laurent8340e672019-11-06 11:01:08 -0800405 bool isCallScreenModeSupported() override;
406
Mikhail Naganovc0d04982020-03-02 21:02:28 +0000407 void onNewAudioModulesAvailable() override;
408
Eric Laurentcaafba42019-07-13 10:12:45 -0700409 status_t initialize();
410
Paul McLeanaa981192015-03-21 09:55:15 -0700411protected:
Mikhail Naganovad3f8a12017-12-12 13:24:23 -0800412 // A constructor that allows more fine-grained control over initialization process,
413 // used in automatic tests.
414 AudioPolicyManager(AudioPolicyClientInterface *clientInterface, bool forTesting);
415
416 // These methods should be used when finer control over APM initialization
417 // is needed, e.g. in tests. Must be used in conjunction with the constructor
418 // that only performs fields initialization. The public constructor comprises
419 // these steps in the following sequence:
420 // - field initializing constructor;
421 // - loadConfig;
422 // - initialize.
423 AudioPolicyConfig& getConfig() { return mConfig; }
424 void loadConfig();
Mikhail Naganovad3f8a12017-12-12 13:24:23 -0800425
François Gaffie2110e042015-03-24 08:41:51 +0100426 // From AudioPolicyManagerObserver
427 virtual const AudioPatchCollection &getAudioPatches() const
428 {
429 return mAudioPatches;
430 }
431 virtual const SoundTriggerSessionCollection &getSoundTriggerSessionCollection() const
432 {
433 return mSoundTriggerSessions;
434 }
435 virtual const AudioPolicyMixCollection &getAudioPolicyMixCollection() const
436 {
437 return mPolicyMixes;
438 }
Eric Laurentc75307b2015-03-17 15:29:32 -0700439 virtual const SwAudioOutputCollection &getOutputs() const
François Gaffie2110e042015-03-24 08:41:51 +0100440 {
441 return mOutputs;
442 }
443 virtual const AudioInputCollection &getInputs() const
444 {
445 return mInputs;
446 }
Eric Laurentaf377772019-03-29 14:50:21 -0700447 virtual const DeviceVector getAvailableOutputDevices() const
François Gaffie2110e042015-03-24 08:41:51 +0100448 {
Kevin Rocarde0d004f2019-10-10 10:06:18 +0000449 return mAvailableOutputDevices.filterForEngine();
François Gaffie2110e042015-03-24 08:41:51 +0100450 }
Eric Laurentaf377772019-03-29 14:50:21 -0700451 virtual const DeviceVector getAvailableInputDevices() const
François Gaffie2110e042015-03-24 08:41:51 +0100452 {
Francois Gaffie698d3532019-04-10 15:20:05 +0200453 // legacy and non-legacy remote-submix are managed by the engine, do not filter
454 return mAvailableInputDevices;
François Gaffie2110e042015-03-24 08:41:51 +0100455 }
François Gaffie2110e042015-03-24 08:41:51 +0100456 virtual const sp<DeviceDescriptor> &getDefaultOutputDevice() const
457 {
458 return mDefaultOutputDevice;
459 }
Mikhail Naganovd4120142017-12-06 15:49:22 -0800460
François Gaffieaaac0fd2018-11-22 17:56:39 +0100461 std::vector<volume_group_t> getVolumeGroups() const
462 {
463 return mEngine->getVolumeGroups();
464 }
465
466 VolumeSource toVolumeSource(volume_group_t volumeGroup) const
467 {
468 return static_cast<VolumeSource>(volumeGroup);
469 }
Francois Gaffie4404ddb2021-02-04 17:03:38 +0100470 /**
471 * @brief toVolumeSource converts an audio attributes into a volume source
472 * (either a legacy stream or a volume group). If fallback on default is allowed, and if
473 * the audio attributes do not follow any specific product strategy's rule, it will be
474 * associated to default volume source, e.g. music. Thus, any of call of volume API
475 * using this translation function may affect the default volume source.
476 * If fallback is not allowed and no matching rule is identified for the given attributes,
477 * the volume source will be undefined, thus, no volume will be altered/modified.
478 * @param attributes to be considered
479 * @param fallbackOnDefault
480 * @return volume source associated with given attributes, otherwise either music if
481 * fallbackOnDefault is set or none.
482 */
483 VolumeSource toVolumeSource(
484 const audio_attributes_t &attributes, bool fallbackOnDefault = true) const
François Gaffieaaac0fd2018-11-22 17:56:39 +0100485 {
Francois Gaffie4404ddb2021-02-04 17:03:38 +0100486 return toVolumeSource(mEngine->getVolumeGroupForAttributes(
487 attributes, fallbackOnDefault));
François Gaffieaaac0fd2018-11-22 17:56:39 +0100488 }
Francois Gaffie4404ddb2021-02-04 17:03:38 +0100489 VolumeSource toVolumeSource(
490 audio_stream_type_t stream, bool fallbackOnDefault = true) const
François Gaffieaaac0fd2018-11-22 17:56:39 +0100491 {
Francois Gaffie4404ddb2021-02-04 17:03:38 +0100492 return toVolumeSource(mEngine->getVolumeGroupForStreamType(
493 stream, fallbackOnDefault));
François Gaffieaaac0fd2018-11-22 17:56:39 +0100494 }
495 IVolumeCurves &getVolumeCurves(VolumeSource volumeSource)
496 {
497 auto *curves = mEngine->getVolumeCurvesForVolumeGroup(
498 static_cast<volume_group_t>(volumeSource));
499 ALOG_ASSERT(curves != nullptr, "No curves for volume source %d", volumeSource);
500 return *curves;
501 }
Eric Laurentf5aa58d2019-02-22 18:20:11 -0800502 IVolumeCurves &getVolumeCurves(const audio_attributes_t &attr)
503 {
504 auto *curves = mEngine->getVolumeCurvesForAttributes(attr);
505 ALOG_ASSERT(curves != nullptr, "No curves for attributes %s", toString(attr).c_str());
506 return *curves;
507 }
508 IVolumeCurves &getVolumeCurves(audio_stream_type_t stream)
509 {
510 auto *curves = mEngine->getVolumeCurvesForStreamType(stream);
511 ALOG_ASSERT(curves != nullptr, "No curves for stream %s", toString(stream).c_str());
512 return *curves;
513 }
514
Chih-Hung Hsiehe964d4e2016-08-09 14:31:32 -0700515 void addOutput(audio_io_handle_t output, const sp<SwAudioOutputDescriptor>& outputDesc);
François Gaffie53615e22015-03-19 09:24:12 +0100516 void removeOutput(audio_io_handle_t output);
Chih-Hung Hsiehe964d4e2016-08-09 14:31:32 -0700517 void addInput(audio_io_handle_t input, const sp<AudioInputDescriptor>& inputDesc);
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800518
Francois Gaffie3523ab32021-06-22 13:24:34 +0200519 /**
520 * @brief setOutputDevices change the route of the specified output.
521 * @param outputDesc to be considered
522 * @param device to be considered to route the output
523 * @param force if true, force the routing even if no change.
524 * @param delayMs if specified, delay to apply for mute/volume op when changing device
525 * @param patchHandle if specified, the patch handle this output is connected through.
526 * @param requiresMuteCheck if specified, for e.g. when another output is on a shared device
527 * and currently active, allow to have proper drain and avoid pops
528 * @param requiresVolumeCheck true if called requires to reapply volume if the routing did
529 * not change (but the output is still routed).
530 * @return the number of ms we have slept to allow new routing to take effect in certain
531 * cases.
532 */
François Gaffie11d30102018-11-02 16:09:09 +0100533 uint32_t setOutputDevices(const sp<SwAudioOutputDescriptor>& outputDesc,
534 const DeviceVector &device,
535 bool force = false,
536 int delayMs = 0,
537 audio_patch_handle_t *patchHandle = NULL,
Francois Gaffie3523ab32021-06-22 13:24:34 +0200538 bool requiresMuteCheck = true,
539 bool requiresVolumeCheck = false);
Eric Laurentc75307b2015-03-17 15:29:32 -0700540 status_t resetOutputDevice(const sp<AudioOutputDescriptor>& outputDesc,
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800541 int delayMs = 0,
542 audio_patch_handle_t *patchHandle = NULL);
543 status_t setInputDevice(audio_io_handle_t input,
François Gaffie11d30102018-11-02 16:09:09 +0100544 const sp<DeviceDescriptor> &device,
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800545 bool force = false,
546 audio_patch_handle_t *patchHandle = NULL);
547 status_t resetInputDevice(audio_io_handle_t input,
548 audio_patch_handle_t *patchHandle = NULL);
549
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800550 // compute the actual volume for a given stream according to the requested index and a particular
551 // device
François Gaffieaaac0fd2018-11-22 17:56:39 +0100552 virtual float computeVolume(IVolumeCurves &curves,
553 VolumeSource volumeSource,
Eric Laurentc75307b2015-03-17 15:29:32 -0700554 int index,
jiabin9a3361e2019-10-01 09:38:30 -0700555 const DeviceTypeSet& deviceTypes);
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800556
Eric Laurent3839bc02018-07-10 18:33:34 -0700557 // rescale volume index from srcStream within range of dstStream
558 int rescaleVolumeIndex(int srcIndex,
Francois Gaffie2ffdfce2019-03-12 11:26:42 +0100559 VolumeSource fromVolumeSource,
560 VolumeSource toVolumeSource);
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800561 // check that volume change is permitted, compute and send new volume to audio hardware
François Gaffieaaac0fd2018-11-22 17:56:39 +0100562 virtual status_t checkAndSetVolume(IVolumeCurves &curves,
563 VolumeSource volumeSource, int index,
Eric Laurentc75307b2015-03-17 15:29:32 -0700564 const sp<AudioOutputDescriptor>& outputDesc,
jiabin9a3361e2019-10-01 09:38:30 -0700565 DeviceTypeSet deviceTypes,
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800566 int delayMs = 0, bool force = false);
567
568 // apply all stream volumes to the specified output and device
Eric Laurentc75307b2015-03-17 15:29:32 -0700569 void applyStreamVolumes(const sp<AudioOutputDescriptor>& outputDesc,
jiabin9a3361e2019-10-01 09:38:30 -0700570 const DeviceTypeSet& deviceTypes,
571 int delayMs = 0, bool force = false);
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800572
François Gaffiec005e562018-11-06 15:04:49 +0100573 /**
574 * @brief setStrategyMute Mute or unmute all active clients on the considered output
575 * following the given strategy.
576 * @param strategy to be considered
577 * @param on true for mute, false for unmute
578 * @param outputDesc to be considered
579 * @param delayMs
580 * @param device
581 */
582 void setStrategyMute(product_strategy_t strategy,
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800583 bool on,
Eric Laurentc75307b2015-03-17 15:29:32 -0700584 const sp<AudioOutputDescriptor>& outputDesc,
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800585 int delayMs = 0,
jiabin9a3361e2019-10-01 09:38:30 -0700586 DeviceTypeSet deviceTypes = DeviceTypeSet());
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800587
François Gaffieaaac0fd2018-11-22 17:56:39 +0100588 /**
589 * @brief setVolumeSourceMute Mute or unmute the volume source on the specified output
590 * @param volumeSource to be muted/unmute (may host legacy streams or by extension set of
591 * audio attributes)
592 * @param on true to mute, false to umute
593 * @param outputDesc on which the client following the volume group shall be muted/umuted
594 * @param delayMs
595 * @param device
François Gaffieaaac0fd2018-11-22 17:56:39 +0100596 */
597 void setVolumeSourceMute(VolumeSource volumeSource,
598 bool on,
599 const sp<AudioOutputDescriptor>& outputDesc,
600 int delayMs = 0,
jiabin9a3361e2019-10-01 09:38:30 -0700601 DeviceTypeSet deviceTypes = DeviceTypeSet());
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800602
Jean-Michel Trivi887a9ed2015-03-31 18:02:24 -0700603 audio_mode_t getPhoneState();
604
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800605 // true if device is in a telephony or VoIP call
606 virtual bool isInCall();
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800607 // true if given state represents a device in a telephony or VoIP call
608 virtual bool isStateInCall(int state);
Eric Laurent74b71512019-11-06 17:21:57 -0800609 // true if playback to call TX or capture from call RX is possible
610 bool isCallAudioAccessible();
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800611
612 // when a device is connected, checks if an open output can be routed
613 // to this device. If none is open, tries to open one of the available outputs.
614 // Returns an output suitable to this device or 0.
615 // when a device is disconnected, checks if an output is not used any more and
616 // returns its handle if any.
617 // transfers the audio tracks and effects from one output thread to another accordingly.
François Gaffie11d30102018-11-02 16:09:09 +0100618 status_t checkOutputsForDevice(const sp<DeviceDescriptor>& device,
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800619 audio_policy_dev_state_t state,
François Gaffie11d30102018-11-02 16:09:09 +0100620 SortedVector<audio_io_handle_t>& outputs);
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800621
François Gaffie11d30102018-11-02 16:09:09 +0100622 status_t checkInputsForDevice(const sp<DeviceDescriptor>& device,
Eric Laurent0dd51852019-04-19 18:18:58 -0700623 audio_policy_dev_state_t state);
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800624
625 // close an output and its companion duplicating output.
626 void closeOutput(audio_io_handle_t output);
627
628 // close an input.
629 void closeInput(audio_io_handle_t input);
630
Jean-Michel Trivi30857152019-11-01 11:04:15 -0700631 // runs all the checks required for accommodating changes in devices and outputs
Mikhail Naganov37977152018-07-11 15:54:44 -0700632 // if 'onOutputsChecked' callback is provided, it is executed after the outputs
633 // check via 'checkOutputForAllStrategies'. If the callback returns 'true',
634 // A2DP suspend status is rechecked.
Mikhail Naganov15be9d22017-11-08 14:18:13 +1100635 void checkForDeviceAndOutputChanges(std::function<bool()> onOutputsChecked = nullptr);
Mikhail Naganov37977152018-07-11 15:54:44 -0700636
François Gaffiec005e562018-11-06 15:04:49 +0100637 /**
Jean-Michel Trivi30857152019-11-01 11:04:15 -0700638 * @brief updates routing for all outputs (including call if call in progress).
639 * @param delayMs delay for unmuting if required
640 */
641 void updateCallAndOutputRouting(bool forceVolumeReeval = true, uint32_t delayMs = 0);
642
Francois Gaffie51c9ccd2020-10-14 18:02:07 +0200643 bool isCallRxAudioSource(const sp<SourceClientDescriptor> &source) {
644 return mCallRxSourceClientPort != AUDIO_PORT_HANDLE_NONE
645 && source == mAudioSources.valueFor(mCallRxSourceClientPort);
646 }
647
648 void connectTelephonyRxAudioSource();
649
650 void disconnectTelephonyRxAudioSource();
651
Jean-Michel Trivi30857152019-11-01 11:04:15 -0700652 /**
Eric Laurent2517af32020-11-25 15:31:27 +0100653 * @brief updates routing for all inputs.
654 */
655 void updateInputRouting();
656
657 /**
François Gaffiec005e562018-11-06 15:04:49 +0100658 * @brief checkOutputForAttributes checks and if necessary changes outputs used for the
659 * given audio attributes.
660 * must be called every time a condition that affects the output choice for a given
661 * attributes changes: connected device, phone state, force use...
662 * Must be called before updateDevicesAndOutputs()
663 * @param attr to be considered
664 */
665 void checkOutputForAttributes(const audio_attributes_t &attr);
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800666
Francois Gaffieff1eb522020-05-06 18:37:04 +0200667 /**
668 * @brief checkAudioSourceForAttributes checks if any AudioSource following the same routing
669 * as the given audio attributes is not routed and try to connect it.
670 * It must be called once checkOutputForAttributes has been called for orphans AudioSource,
671 * aka AudioSource not attached to any Audio Output (e.g. AudioSource connected to direct
672 * Output which has been disconnected (and output closed) due to sink device unavailable).
673 * @param attr to be considered
674 */
675 void checkAudioSourceForAttributes(const audio_attributes_t &attr);
676
François Gaffiec005e562018-11-06 15:04:49 +0100677 bool followsSameRouting(const audio_attributes_t &lAttr,
678 const audio_attributes_t &rAttr) const;
679
680 /**
681 * @brief checkOutputForAllStrategies Same as @see checkOutputForAttributes()
682 * but for a all product strategies in order of priority
683 */
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800684 void checkOutputForAllStrategies();
685
Kevin Rocard153f92d2018-12-18 18:33:28 -0800686 // Same as checkOutputForStrategy but for secondary outputs. Make sure if a secondary
687 // output condition changes, the track is properly rerouted
688 void checkSecondaryOutputs();
689
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800690 // manages A2DP output suspend/restore according to phone state and BT SCO usage
691 void checkA2dpSuspend();
692
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800693 // selects the most appropriate device on output for current state
694 // must be called every time a condition that affects the device choice for a given output is
695 // changed: connected device, phone state, force use, output start, output stop..
696 // see getDeviceForStrategy() for the use of fromCache parameter
François Gaffie11d30102018-11-02 16:09:09 +0100697 DeviceVector getNewOutputDevices(const sp<SwAudioOutputDescriptor>& outputDesc,
698 bool fromCache);
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800699
François Gaffiec005e562018-11-06 15:04:49 +0100700 /**
701 * @brief updateDevicesAndOutputs: updates cache of devices of the engine
702 * must be called every time a condition that affects the device choice is changed:
703 * connected device, phone state, force use...
704 * cached values are used by getOutputDevicesForStream()/getDevicesForAttributes if
705 * parameter fromCache is true.
706 * Must be called after checkOutputForAllStrategies()
707 */
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800708 void updateDevicesAndOutputs();
709
710 // selects the most appropriate device on input for current state
François Gaffie11d30102018-11-02 16:09:09 +0100711 sp<DeviceDescriptor> getNewInputDevice(const sp<AudioInputDescriptor>& inputDesc);
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800712
François Gaffie45ed3b02015-03-19 10:35:14 +0100713 virtual uint32_t getMaxEffectsCpuLoad()
714 {
715 return mEffects.getMaxEffectsCpuLoad();
716 }
717
718 virtual uint32_t getMaxEffectsMemory()
719 {
720 return mEffects.getMaxEffectsMemory();
721 }
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800722
François Gaffie11d30102018-11-02 16:09:09 +0100723 SortedVector<audio_io_handle_t> getOutputsForDevices(
724 const DeviceVector &devices, const SwAudioOutputCollection& openOutputs);
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800725
François Gaffiec005e562018-11-06 15:04:49 +0100726 /**
727 * @brief checkDeviceMuteStrategies mute/unmute strategies
728 * using an incompatible device combination.
729 * if muting, wait for the audio in pcm buffer to be drained before proceeding
730 * if unmuting, unmute only after the specified delay
731 * @param outputDesc
732 * @param prevDevice
733 * @param delayMs
734 * @return the number of ms waited
735 */
736 virtual uint32_t checkDeviceMuteStrategies(const sp<AudioOutputDescriptor>& outputDesc,
737 const DeviceVector &prevDevices,
738 uint32_t delayMs);
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800739
740 audio_io_handle_t selectOutput(const SortedVector<audio_io_handle_t>& outputs,
jiabin40573322018-11-08 12:08:02 -0800741 audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE,
742 audio_format_t format = AUDIO_FORMAT_INVALID,
743 audio_channel_mask_t channelMask = AUDIO_CHANNEL_NONE,
jiabinebb6af42020-06-09 17:31:17 -0700744 uint32_t samplingRate = 0,
745 audio_session_t sessionId = AUDIO_SESSION_NONE);
Andy Hungf129b032015-04-07 13:45:50 -0700746 // samplingRate, format, channelMask are in/out and so may be modified
François Gaffie11d30102018-11-02 16:09:09 +0100747 sp<IOProfile> getInputProfile(const sp<DeviceDescriptor> & device,
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800748 uint32_t& samplingRate,
Andy Hungf129b032015-04-07 13:45:50 -0700749 audio_format_t& format,
750 audio_channel_mask_t& channelMask,
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800751 audio_input_flags_t flags);
François Gaffie11d30102018-11-02 16:09:09 +0100752 /**
753 * @brief getProfileForOutput
754 * @param devices vector of descriptors, may be empty if ignoring the device is required
755 * @param samplingRate
756 * @param format
757 * @param channelMask
758 * @param flags
759 * @param directOnly
760 * @return IOProfile to be used if found, nullptr otherwise
761 */
762 sp<IOProfile> getProfileForOutput(const DeviceVector &devices,
Michael Chana94fbb22018-04-24 14:31:19 +1000763 uint32_t samplingRate,
764 audio_format_t format,
765 audio_channel_mask_t channelMask,
766 audio_output_flags_t flags,
767 bool directOnly);
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800768
Eric Laurent36829f92017-04-07 19:04:42 -0700769 audio_io_handle_t selectOutputForMusicEffects();
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800770
François Gaffie53615e22015-03-19 09:24:12 +0100771 virtual status_t addAudioPatch(audio_patch_handle_t handle, const sp<AudioPatch>& patch)
772 {
773 return mAudioPatches.addAudioPatch(handle, patch);
774 }
775 virtual status_t removeAudioPatch(audio_patch_handle_t handle)
776 {
777 return mAudioPatches.removeAudioPatch(handle);
778 }
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800779
François Gaffie9eb18552018-11-05 10:33:26 +0100780 bool isPrimaryModule(const sp<HwModule> &module) const
781 {
782 if (module == 0 || !hasPrimaryOutput()) {
783 return false;
784 }
785 return module->getHandle() == mPrimaryOutput->getModuleHandle();
786 }
François Gaffie11d30102018-11-02 16:09:09 +0100787 DeviceVector availablePrimaryOutputDevices() const
François Gaffie53615e22015-03-19 09:24:12 +0100788 {
Eric Laurent87ffa392015-05-22 10:32:38 -0700789 if (!hasPrimaryOutput()) {
François Gaffie11d30102018-11-02 16:09:09 +0100790 return DeviceVector();
Eric Laurent87ffa392015-05-22 10:32:38 -0700791 }
Francois Gaffie716e1432019-01-14 16:58:59 +0100792 return mAvailableOutputDevices.filter(mPrimaryOutput->supportedDevices());
François Gaffie53615e22015-03-19 09:24:12 +0100793 }
François Gaffie11d30102018-11-02 16:09:09 +0100794 DeviceVector availablePrimaryModuleInputDevices() const
François Gaffie53615e22015-03-19 09:24:12 +0100795 {
Eric Laurent87ffa392015-05-22 10:32:38 -0700796 if (!hasPrimaryOutput()) {
François Gaffie11d30102018-11-02 16:09:09 +0100797 return DeviceVector();
Eric Laurent87ffa392015-05-22 10:32:38 -0700798 }
François Gaffie11d30102018-11-02 16:09:09 +0100799 return mAvailableInputDevices.getDevicesFromHwModule(
Mikhail Naganov93661932018-07-26 14:37:41 -0700800 mPrimaryOutput->getModuleHandle());
François Gaffie53615e22015-03-19 09:24:12 +0100801 }
François Gaffieaca677c2018-05-03 10:47:50 +0200802 /**
803 * @brief getFirstDeviceId of the Device Vector
804 * @return if the collection is not empty, it returns the first device Id,
805 * otherwise AUDIO_PORT_HANDLE_NONE
806 */
807 audio_port_handle_t getFirstDeviceId(const DeviceVector &devices) const
808 {
809 return (devices.size() > 0) ? devices.itemAt(0)->getId() : AUDIO_PORT_HANDLE_NONE;
810 }
811 String8 getFirstDeviceAddress(const DeviceVector &devices) const
812 {
jiabince9f20e2019-09-12 16:29:15 -0700813 return (devices.size() > 0) ?
814 String8(devices.itemAt(0)->address().c_str()) : String8("");
François Gaffieaca677c2018-05-03 10:47:50 +0200815 }
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800816
Francois Gaffie19fd6c52021-02-04 17:02:59 +0100817 status_t updateCallRouting(
818 bool fromCache, uint32_t delayMs = 0, uint32_t *waitMs = nullptr);
819 status_t updateCallRoutingInternal(
820 const DeviceVector &rxDevices, uint32_t delayMs, uint32_t *waitMs);
François Gaffie11d30102018-11-02 16:09:09 +0100821 sp<AudioPatch> createTelephonyPatch(bool isRx, const sp<DeviceDescriptor> &device,
822 uint32_t delayMs);
Francois Gaffie19fd6c52021-02-04 17:02:59 +0100823 /**
824 * @brief selectBestRxSinkDevicesForCall: if the primary module host both Telephony Rx/Tx
825 * devices, and it declares also supporting a HW bridge between the Telephony Rx and the
826 * given sink device for Voice Call audio attributes, select this device in prio.
827 * Otherwise, getNewOutputDevices() is called on the primary output to select sink device.
828 * @param fromCache true to prevent engine reconsidering all product strategies and retrieve
829 * from engine cache.
830 * @return vector of devices, empty if none is found.
831 */
832 DeviceVector selectBestRxSinkDevicesForCall(bool fromCache);
Mikhail Naganov100f0122018-11-29 11:22:16 -0800833 bool isDeviceOfModule(const sp<DeviceDescriptor>& devDesc, const char *moduleId) const;
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800834
Eric Laurent97ac8712018-07-27 18:59:02 -0700835 status_t startSource(const sp<SwAudioOutputDescriptor>& outputDesc,
836 const sp<TrackClientDescriptor>& client,
Eric Laurentc75307b2015-03-17 15:29:32 -0700837 uint32_t *delayMs);
Eric Laurent97ac8712018-07-27 18:59:02 -0700838 status_t stopSource(const sp<SwAudioOutputDescriptor>& outputDesc,
839 const sp<TrackClientDescriptor>& client);
Eric Laurent8c7e6da2015-04-21 17:37:00 -0700840
841 void clearAudioPatches(uid_t uid);
842 void clearSessionRoutes(uid_t uid);
François Gaffiec005e562018-11-06 15:04:49 +0100843
844 /**
845 * @brief checkStrategyRoute: when an output is beeing rerouted, reconsider each output
846 * that may host a strategy playing on the considered output.
847 * @param ps product strategy that initiated the rerouting
848 * @param ouptutToSkip output that initiated the rerouting
849 */
850 void checkStrategyRoute(product_strategy_t ps, audio_io_handle_t ouptutToSkip);
Eric Laurentc75307b2015-03-17 15:29:32 -0700851
Eric Laurent87ffa392015-05-22 10:32:38 -0700852 status_t hasPrimaryOutput() const { return mPrimaryOutput != 0; }
853
Eric Laurent3e6c7e12018-07-27 17:09:23 -0700854 status_t connectAudioSource(const sp<SourceClientDescriptor>& sourceDesc);
855 status_t disconnectAudioSource(const sp<SourceClientDescriptor>& sourceDesc);
Eric Laurentd60560a2015-04-10 11:31:20 -0700856
François Gaffiec005e562018-11-06 15:04:49 +0100857 sp<SourceClientDescriptor> getSourceForAttributesOnOutput(audio_io_handle_t output,
858 const audio_attributes_t &attr);
Francois Gaffieff1eb522020-05-06 18:37:04 +0200859 void clearAudioSourcesForOutput(audio_io_handle_t output);
Eric Laurentd60560a2015-04-10 11:31:20 -0700860
861 void cleanUpForDevice(const sp<DeviceDescriptor>& deviceDesc);
862
863 void clearAudioSources(uid_t uid);
864
Eric Laurent794fde22016-03-11 09:50:45 -0800865 static bool streamsMatchForvolume(audio_stream_type_t stream1,
866 audio_stream_type_t stream2);
Eric Laurent28d09f02016-03-08 10:43:05 -0800867
Eric Laurent8f42ea12018-08-08 09:08:25 -0700868 void closeActiveClients(const sp<AudioInputDescriptor>& input);
869 void closeClient(audio_port_handle_t portId);
Eric Laurent8fc147b2018-07-22 19:13:55 -0700870
Andy Hung4ef19fa2018-05-15 19:35:29 -0700871 const uid_t mUidCached; // AID_AUDIOSERVER
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800872 AudioPolicyClientInterface *mpClientInterface; // audio policy client interface
Eric Laurentc75307b2015-03-17 15:29:32 -0700873 sp<SwAudioOutputDescriptor> mPrimaryOutput; // primary output descriptor
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800874 // list of descriptors for outputs currently opened
Eric Laurentc75307b2015-03-17 15:29:32 -0700875
Eric Laurentfa0f6742021-08-17 18:39:44 +0200876 sp<SwAudioOutputDescriptor> mSpatializerOutput;
Eric Laurentcad6c0d2021-07-13 15:12:39 +0200877
Eric Laurentc75307b2015-03-17 15:29:32 -0700878 SwAudioOutputCollection mOutputs;
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800879 // copy of mOutputs before setDeviceConnectionState() opens new outputs
880 // reset to mOutputs when updateDevicesAndOutputs() is called.
Eric Laurentc75307b2015-03-17 15:29:32 -0700881 SwAudioOutputCollection mPreviousOutputs;
François Gaffie53615e22015-03-19 09:24:12 +0100882 AudioInputCollection mInputs; // list of input descriptors
Eric Laurentc75307b2015-03-17 15:29:32 -0700883
Mikhail Naganovc0d04982020-03-02 21:02:28 +0000884 DeviceVector mOutputDevicesAll; // all output devices from the config
885 DeviceVector mInputDevicesAll; // all input devices from the config
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800886 DeviceVector mAvailableOutputDevices; // all available output devices
887 DeviceVector mAvailableInputDevices; // all available input devices
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800888
François Gaffiedfd74092015-03-19 12:10:59 +0100889 bool mLimitRingtoneVolume; // limit ringtone volume to music volume if headset connected
François Gaffie11d30102018-11-02 16:09:09 +0100890
François Gaffiedfd74092015-03-19 12:10:59 +0100891 float mLastVoiceVolume; // last voice volume value sent to audio HAL
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800892 bool mA2dpSuspended; // true if A2DP output is suspended
Mikhail Naganovad3f8a12017-12-12 13:24:23 -0800893
Mikhail Naganovad3f8a12017-12-12 13:24:23 -0800894 EffectDescriptorCollection mEffects; // list of registered audio effects
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800895 sp<DeviceDescriptor> mDefaultOutputDevice; // output device selected by default at boot time
Mikhail Naganovc0d04982020-03-02 21:02:28 +0000896 HwModuleCollection mHwModules; // contains modules that have been loaded successfully
897 HwModuleCollection mHwModulesAll; // contains all modules declared in the config
Eric Laurentf5aa58d2019-02-22 18:20:11 -0800898
Mikhail Naganovad3f8a12017-12-12 13:24:23 -0800899 AudioPolicyConfig mConfig;
François Gaffie53615e22015-03-19 09:24:12 +0100900
Mikhail Naganov2773dd72017-12-08 10:12:11 -0800901 std::atomic<uint32_t> mAudioPortGeneration;
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800902
François Gaffie53615e22015-03-19 09:24:12 +0100903 AudioPatchCollection mAudioPatches;
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800904
François Gaffiedf372692015-03-19 10:43:27 +0100905 SoundTriggerSessionCollection mSoundTriggerSessions;
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800906
907 sp<AudioPatch> mCallTxPatch;
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800908
Eric Laurentd60560a2015-04-10 11:31:20 -0700909 HwAudioOutputCollection mHwOutputs;
Eric Laurent3e6c7e12018-07-27 17:09:23 -0700910 SourceClientCollection mAudioSources;
Eric Laurentd60560a2015-04-10 11:31:20 -0700911
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800912 // for supporting "beacon" streams, i.e. streams that only play on speaker, and never
913 // when something other than STREAM_TTS (a.k.a. "Transmitted Through Speaker") is playing
914 enum {
915 STARTING_OUTPUT,
916 STARTING_BEACON,
917 STOPPING_OUTPUT,
918 STOPPING_BEACON
919 };
920 uint32_t mBeaconMuteRefCount; // ref count for stream that would mute beacon
921 uint32_t mBeaconPlayingRefCount;// ref count for the playing beacon streams
922 bool mBeaconMuted; // has STREAM_TTS been muted
Carter Hsu1a3364a2022-01-21 15:32:56 +0800923 // true if a dedicated output for TTS stream or Ultrasound is available
924 bool mTtsOutputAvailable;
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800925
Andy Hung2ddee192015-12-18 17:34:44 -0800926 bool mMasterMono; // true if we wish to force all outputs to mono
François Gaffie036e1e92015-03-19 10:16:24 +0100927 AudioPolicyMixCollection mPolicyMixes; // list of registered mixes
Eric Laurent36829f92017-04-07 19:04:42 -0700928 audio_io_handle_t mMusicEffectOutput; // output selected for music effects
929
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -0800930 uint32_t nextAudioPortGeneration();
Jean-Michel Trivi887a9ed2015-03-31 18:02:24 -0700931
932 // Audio Policy Engine Interface.
Mikhail Naganov47835552019-05-14 10:32:51 -0700933 EngineInstance mEngine;
jiabin81772902018-04-02 17:52:27 -0700934
Mikhail Naganov100f0122018-11-29 11:22:16 -0800935 // Surround formats that are enabled manually. Taken into account when
936 // "encoded surround" is forced into "manual" mode.
937 std::unordered_set<audio_format_t> mManualSurroundFormats;
Kevin Rocardb99cc752019-03-21 20:52:24 -0700938
939 std::unordered_map<uid_t, audio_flags_mask_t> mAllowedCapturePolicies;
Kriti Dangef6be8f2020-11-05 11:58:19 +0100940
941 // The map of device descriptor and formats reported by the device.
942 std::map<wp<DeviceDescriptor>, FormatVector> mReportedFormatsMap;
Eric Laurent2517af32020-11-25 15:31:27 +0100943
944 // Cached product strategy ID corresponding to legacy strategy STRATEGY_PHONE
945 product_strategy_t mCommunnicationStrategy;
946
Francois Gaffie51c9ccd2020-10-14 18:02:07 +0200947 // The port handle of the hardware audio source created internally for the Call RX audio
948 // end point.
949 audio_port_handle_t mCallRxSourceClientPort = AUDIO_PORT_HANDLE_NONE;
950
Mikhail Naganov15be9d22017-11-08 14:18:13 +1100951 // Support for Multi-Stream Decoder (MSD) module
952 sp<DeviceDescriptor> getMsdAudioInDevice() const;
François Gaffie11d30102018-11-02 16:09:09 +0100953 DeviceVector getMsdAudioOutDevices() const;
Dean Wheatley8bee85a2021-02-10 16:02:23 +1100954 const AudioPatchCollection getMsdOutputPatches() const;
955 status_t getMsdProfiles(bool hwAvSync,
956 const InputProfileCollection &inputProfiles,
957 const OutputProfileCollection &outputProfiles,
958 const sp<DeviceDescriptor> &sourceDevice,
959 const sp<DeviceDescriptor> &sinkDevice,
960 AudioProfileVector &sourceProfiles,
961 AudioProfileVector &sinkProfiles) const;
962 status_t getBestMsdConfig(bool hwAvSync,
963 const AudioProfileVector &sourceProfiles,
964 const AudioProfileVector &sinkProfiles,
965 audio_port_config *sourceConfig,
966 audio_port_config *sinkConfig) const;
967 PatchBuilder buildMsdPatch(bool msdIsSource, const sp<DeviceDescriptor> &device) const;
968 status_t setMsdOutputPatches(const DeviceVector *outputDevices = nullptr);
969 void releaseMsdOutputPatches(const DeviceVector& devices);
Dorin Drimus94d94412022-02-02 09:05:02 +0100970 bool msdHasPatchesToAllDevices(const AudioDeviceTypeAddrVector& devices);
Nathalie Le Clair88fa2752021-11-23 13:03:41 +0100971
972 // Overload of setDeviceConnectionState()
973 status_t setDeviceConnectionState(audio_devices_t deviceType,
974 audio_policy_dev_state_t state,
975 const char* device_address, const char* device_name,
976 audio_format_t encodedFormat);
977
978 // Called by setDeviceConnectionState()
979 status_t deviceToAudioPort(audio_devices_t deviceType, const char* device_address,
980 const char* device_name, media::AudioPort* aidPort);
Michael Chan6fb34492020-12-08 15:44:49 +1100981private:
982 void onNewAudioModulesAvailableInt(DeviceVector *newDevices);
983
984 // Add or remove AC3 DTS encodings based on user preferences.
985 void modifySurroundFormats(const sp<DeviceDescriptor>& devDesc, FormatVector *formatsPtr);
986 void modifySurroundChannelMasks(ChannelMaskSet *channelMasksPtr);
Mikhail Naganov15be9d22017-11-08 14:18:13 +1100987
François Gaffie112b0af2015-11-19 16:13:25 +0100988 // If any, resolve any "dynamic" fields of an Audio Profiles collection
Mikhail Naganovd5e18052018-11-30 14:55:45 -0800989 void updateAudioProfiles(const sp<DeviceDescriptor>& devDesc, audio_io_handle_t ioHandle,
Phil Burk00eeb322016-03-31 12:41:00 -0700990 AudioProfileVector &profiles);
François Gaffie112b0af2015-11-19 16:13:25 +0100991
François Gaffie44481e72016-04-20 07:49:57 +0200992 // Notify the policy client of any change of device state with AUDIO_IO_HANDLE_NONE,
993 // so that the client interprets it as global to audio hardware interfaces.
994 // It can give a chance to HAL implementer to retrieve dynamic capabilities associated
995 // to this device for example.
996 // TODO avoid opening stream to retrieve capabilities of a profile.
François Gaffie11d30102018-11-02 16:09:09 +0100997 void broadcastDeviceConnectionState(const sp<DeviceDescriptor> &device,
998 audio_policy_dev_state_t state);
François Gaffie44481e72016-04-20 07:49:57 +0200999
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -08001000 // updates device caching and output for streams that can influence the
1001 // routing of notifications
1002 void handleNotificationRoutingForStream(audio_stream_type_t stream);
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -08001003 uint32_t curAudioPortGeneration() const { return mAudioPortGeneration; }
Hongwei Wangbb93dfb2018-10-23 13:54:22 -07001004 // internal method, get audio_attributes_t from either a source audio_attributes_t
1005 // or audio_stream_type_t, respectively.
1006 status_t getAudioAttributes(audio_attributes_t *dstAttr,
1007 const audio_attributes_t *srcAttr,
1008 audio_stream_type_t srcStream);
1009 // internal method, called by getOutputForAttr() and connectAudioSource.
1010 status_t getOutputForAttrInt(audio_attributes_t *resultAttr,
1011 audio_io_handle_t *output,
1012 audio_session_t session,
1013 const audio_attributes_t *attr,
1014 audio_stream_type_t *stream,
1015 uid_t uid,
1016 const audio_config_t *config,
1017 audio_output_flags_t *flags,
François Gaffief579db52018-11-13 11:25:16 +01001018 audio_port_handle_t *selectedDeviceId,
Kevin Rocard153f92d2018-12-18 18:33:28 -08001019 bool *isRequestedDeviceForExclusiveUse,
Eric Laurentc529cf62020-04-17 18:19:10 -07001020 std::vector<sp<AudioPolicyMix>> *secondaryMixes,
Eric Laurent8a1095a2019-11-08 14:44:16 -08001021 output_type_t *outputType);
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -08001022 // internal method to return the output handle for the given device and format
François Gaffie11d30102018-11-02 16:09:09 +01001023 audio_io_handle_t getOutputForDevices(
1024 const DeviceVector &devices,
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -08001025 audio_session_t session,
Eric Laurentcad6c0d2021-07-13 15:12:39 +02001026 const audio_attributes_t *attr,
Eric Laurentfe231122017-11-17 17:48:06 -08001027 const audio_config_t *config,
jiabine375d412019-02-26 12:54:53 -08001028 audio_output_flags_t *flags,
1029 bool forceMutingHaptic = false);
François Gaffiec005e562018-11-06 15:04:49 +01001030
Eric Laurentc529cf62020-04-17 18:19:10 -07001031 // Internal method checking if a direct output can be opened matching the requested
1032 // attributes, flags, config and devices.
1033 // If NAME_NOT_FOUND is returned, an attempt can be made to open a mixed output.
1034 status_t openDirectOutput(
1035 audio_stream_type_t stream,
1036 audio_session_t session,
1037 const audio_config_t *config,
1038 audio_output_flags_t flags,
1039 const DeviceVector &devices,
1040 audio_io_handle_t *output);
Eric Laurentcad6c0d2021-07-13 15:12:39 +02001041
Eric Laurentb4f42a92022-01-17 17:37:31 +01001042 /**
1043 * @brief Queries if some kind of spatialization will be performed if the audio playback
1044 * context described by the provided arguments is present.
1045 * The context is made of:
1046 * - The audio attributes describing the playback use case.
1047 * - The audio configuration describing the audio format, channels, sampling rate ...
1048 * - The devices describing the sink audio device selected for playback.
1049 * All arguments are optional and only the specified arguments are used to match against
1050 * supported criteria. For instance, supplying no argument will tell if spatialization is
1051 * supported or not in general.
1052 * @param attr audio attributes describing the playback use case
1053 * @param config audio configuration describing the audio format, channels, sample rate...
1054 * @param devices the sink audio device selected for playback
1055 * @param allowCurrentOutputReconfig if true, the result will be considering it is possible
1056 * to close and reopen an existing spatializer output stream to match the requested
1057 * criteria. If false, the criteria must be compatible with the opened sptializer
1058 * output.
1059 * @return true if spatialization is possible for this context, false otherwise.
1060 */
1061 virtual bool canBeSpatializedInt(const audio_attributes_t *attr,
1062 const audio_config_t *config,
1063 const AudioDeviceTypeAddrVector &devices,
1064 bool allowCurrentOutputReconfig = true) const;
1065
Eric Laurentfa0f6742021-08-17 18:39:44 +02001066 sp<IOProfile> getSpatializerOutputProfile(const audio_config_t *config,
Eric Laurent39095982021-08-24 18:29:27 +02001067 const AudioDeviceTypeAddrVector &devices) const;
1068
1069 static bool isChannelMaskSpatialized(audio_channel_mask_t channels);
Eric Laurentcad6c0d2021-07-13 15:12:39 +02001070
1071 void checkVirtualizerClientRoutes();
1072
François Gaffiec005e562018-11-06 15:04:49 +01001073 /**
1074 * @brief getInputForDevice selects an input handle for a given input device and
1075 * requester context
1076 * @param device to be used by requester, selected by policy mix rules or engine
1077 * @param session requester session id
1078 * @param uid requester uid
1079 * @param attributes requester audio attributes (e.g. input source and tags matter)
1080 * @param config requester audio configuration (e.g. sample rate, format, channel mask).
1081 * @param flags requester input flags
1082 * @param policyMix may be null, policy rules to be followed by the requester
1083 * @return input io handle aka unique input identifier selected for this device.
1084 */
François Gaffie11d30102018-11-02 16:09:09 +01001085 audio_io_handle_t getInputForDevice(const sp<DeviceDescriptor> &device,
Eric Laurent599c7582015-12-07 18:05:55 -08001086 audio_session_t session,
François Gaffiec005e562018-11-06 15:04:49 +01001087 const audio_attributes_t &attributes,
Eric Laurentfe231122017-11-17 17:48:06 -08001088 const audio_config_base_t *config,
Eric Laurent599c7582015-12-07 18:05:55 -08001089 audio_input_flags_t flags,
Mikhail Naganovbfac5832019-03-05 16:55:28 -08001090 const sp<AudioPolicyMix> &policyMix);
Eric Laurent599c7582015-12-07 18:05:55 -08001091
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -08001092 // event is one of STARTING_OUTPUT, STARTING_BEACON, STOPPING_OUTPUT, STOPPING_BEACON
1093 // returns 0 if no mute/unmute event happened, the largest latency of the device where
1094 // the mute/unmute happened
1095 uint32_t handleEventForBeacon(int event);
1096 uint32_t setBeaconMute(bool mute);
1097 bool isValidAttributes(const audio_attributes_t *paa);
1098
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -08001099 // Called by setDeviceConnectionState().
Nathalie Le Clair88fa2752021-11-23 13:03:41 +01001100 status_t setDeviceConnectionStateInt(audio_policy_dev_state_t state,
1101 const android::media::audio::common::AudioPort& port,
1102 audio_format_t encodedFormat);
François Gaffie11d30102018-11-02 16:09:09 +01001103 status_t setDeviceConnectionStateInt(audio_devices_t deviceType,
1104 audio_policy_dev_state_t state,
1105 const char *device_address,
Aniket Kumar Lata4e464702019-01-10 23:38:46 -08001106 const char *device_name,
1107 audio_format_t encodedFormat);
Mikhail Naganovd0e2c742020-03-25 15:59:59 -07001108 status_t setDeviceConnectionStateInt(const sp<DeviceDescriptor> &device,
1109 audio_policy_dev_state_t state);
Eric Laurent736a1022019-03-27 18:28:46 -07001110
1111 void setEngineDeviceConnectionState(const sp<DeviceDescriptor> device,
1112 audio_policy_dev_state_t state);
1113
Andy Hung2ddee192015-12-18 17:34:44 -08001114 void updateMono(audio_io_handle_t output) {
1115 AudioParameter param;
Mikhail Naganov388360c2016-10-17 17:09:41 -07001116 param.addInt(String8(AudioParameter::keyMonoOutput), (int)mMasterMono);
Andy Hung2ddee192015-12-18 17:34:44 -08001117 mpClientInterface->setParameters(output, param.toString());
1118 }
François Gaffieafd4cea2019-11-18 15:50:22 +01001119
1120 /**
1121 * @brief createAudioPatchInternal internal function to manage audio patch creation
1122 * @param[in] patch structure containing sink and source ports configuration
1123 * @param[out] handle patch handle to be provided if patch installed correctly
1124 * @param[in] uid of the client
1125 * @param[in] delayMs if required
1126 * @param[in] sourceDesc [optional] in case of external source, source client to be
1127 * configured by the patch, i.e. assigning an Output (HW or SW)
1128 * @return NO_ERROR if patch installed correctly, error code otherwise.
1129 */
1130 status_t createAudioPatchInternal(const struct audio_patch *patch,
1131 audio_patch_handle_t *handle,
1132 uid_t uid, uint32_t delayMs = 0,
1133 const sp<SourceClientDescriptor>& sourceDesc = nullptr);
1134 /**
1135 * @brief releaseAudioPatchInternal internal function to remove an audio patch
1136 * @param[in] handle of the patch to be removed
1137 * @param[in] delayMs if required
1138 * @return NO_ERROR if patch removed correctly, error code otherwise.
1139 */
1140 status_t releaseAudioPatchInternal(audio_patch_handle_t handle, uint32_t delayMs = 0);
1141
Mikhail Naganovdc769682018-05-04 15:34:08 -07001142 status_t installPatch(const char *caller,
1143 audio_patch_handle_t *patchHandle,
1144 AudioIODescriptorInterface *ioDescriptor,
1145 const struct audio_patch *patch,
1146 int delayMs);
1147 status_t installPatch(const char *caller,
1148 ssize_t index,
1149 audio_patch_handle_t *patchHandle,
1150 const struct audio_patch *patch,
1151 int delayMs,
1152 uid_t uid,
1153 sp<AudioPatch> *patchDescPtr);
Eric Laurentc529cf62020-04-17 18:19:10 -07001154
1155 bool areAllDevicesSupported(
jiabin6a02d532020-08-07 11:56:38 -07001156 const AudioDeviceTypeAddrVector& devices,
Eric Laurentc529cf62020-04-17 18:19:10 -07001157 std::function<bool(audio_devices_t)> predicate,
1158 const char* context);
1159
Eric Laurent2517af32020-11-25 15:31:27 +01001160 bool isScoRequestedForComm() const;
jiabinbce0c1d2020-10-05 11:20:18 -07001161
1162 bool areAllActiveTracksRerouted(const sp<SwAudioOutputDescriptor>& output);
1163
Eric Laurentb4f42a92022-01-17 17:37:31 +01001164 /**
1165 * @brief Opens an output stream from the supplied IOProfile and route it to the
1166 * supplied audio devices. If a mixer config is specified, it is forwarded to audio
1167 * flinger. If not, a default config is derived from the output stream config.
1168 * Also opens a duplicating output if needed and queries the audio HAL for supported
1169 * audio profiles if the IOProfile is dynamic.
1170 * @param[in] profile IOProfile to use as template
1171 * @param[in] devices initial route to apply to this output stream
1172 * @param[in] mixerConfig if not null, use this to configure the mixer
1173 * @return an output descriptor for the newly opened stream or null in case of error.
1174 */
1175 sp<SwAudioOutputDescriptor> openOutputWithProfileAndDevice(
1176 const sp<IOProfile>& profile, const DeviceVector& devices,
1177 const audio_config_base_t *mixerConfig = nullptr);
jiabinbce0c1d2020-10-05 11:20:18 -07001178
jiabin2b9d5a12021-12-10 01:06:29 +00001179 bool isOffloadPossible(const audio_offload_info_t& offloadInfo,
1180 bool durationIgnored = false);
1181
Dorin Drimus94d94412022-02-02 09:05:02 +01001182 // adds the profiles from the outputProfile to the passed audioProfilesVector
1183 // without duplicating them if already present
1184 void addPortProfilesToVector(sp<IOProfile> outputProfile,
1185 AudioProfileVector& audioProfilesVector);
Jean-Michel Trivi56ec4ff2015-01-23 16:45:18 -08001186};
1187
1188};