685 lines
33 KiB
C++
685 lines
33 KiB
C++
/*
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* Copyright (C) 2009 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* This file was modified by Dolby Laboratories, Inc. The portions of the
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* code that are surrounded by "DOLBY..." are copyrighted and
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* licensed separately, as follows:
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*
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* (C) 2014-2016 Dolby Laboratories, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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#pragma once
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#include <stdint.h>
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#include <sys/types.h>
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#include <cutils/config_utils.h>
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#include <cutils/misc.h>
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#include <utils/Timers.h>
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#include <utils/Errors.h>
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#include <utils/KeyedVector.h>
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#include <utils/SortedVector.h>
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#include <media/AudioParameter.h>
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#include <media/AudioPolicy.h>
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#include "AudioPolicyInterface.h"
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#include <AudioPolicyManagerInterface.h>
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#include <AudioPolicyManagerObserver.h>
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#include <AudioGain.h>
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#include <AudioPort.h>
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#include <AudioPatch.h>
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#include <DeviceDescriptor.h>
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#include <IOProfile.h>
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#include <HwModule.h>
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#include <AudioInputDescriptor.h>
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#include <AudioOutputDescriptor.h>
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#include <AudioPolicyMix.h>
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#include <EffectDescriptor.h>
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#include <SoundTriggerSession.h>
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#include <SessionRoute.h>
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#include <VolumeCurve.h>
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namespace android {
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// ----------------------------------------------------------------------------
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// Attenuation applied to STRATEGY_SONIFICATION streams when a headset is connected: 6dB
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#define SONIFICATION_HEADSET_VOLUME_FACTOR_DB (-6)
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// Min volume for STRATEGY_SONIFICATION streams when limited by music volume: -36dB
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#define SONIFICATION_HEADSET_VOLUME_MIN_DB (-36)
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// Max volume difference on A2DP between playing media and STRATEGY_SONIFICATION streams: 12dB
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#define SONIFICATION_A2DP_MAX_MEDIA_DIFF_DB (12)
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// Time in milliseconds during which we consider that music is still active after a music
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// track was stopped - see computeVolume()
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#define SONIFICATION_HEADSET_MUSIC_DELAY 5000
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// Time in milliseconds during witch some streams are muted while the audio path
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// is switched
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#define MUTE_TIME_MS 2000
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#define NUM_TEST_OUTPUTS 5
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#define NUM_VOL_CURVE_KNEES 2
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// Default minimum length allowed for offloading a compressed track
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// Can be overridden by the audio.offload.min.duration.secs property
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#define OFFLOAD_DEFAULT_MIN_DURATION_SECS 60
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// ----------------------------------------------------------------------------
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// AudioPolicyManager implements audio policy manager behavior common to all platforms.
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// ----------------------------------------------------------------------------
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class AudioPolicyManager : public AudioPolicyInterface, public AudioPolicyManagerObserver
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#ifdef AUDIO_POLICY_TEST
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, public Thread
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#endif //AUDIO_POLICY_TEST
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{
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public:
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AudioPolicyManager(AudioPolicyClientInterface *clientInterface);
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virtual ~AudioPolicyManager();
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// AudioPolicyInterface
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virtual status_t setDeviceConnectionState(audio_devices_t device,
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audio_policy_dev_state_t state,
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const char *device_address,
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const char *device_name);
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virtual audio_policy_dev_state_t getDeviceConnectionState(audio_devices_t device,
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const char *device_address);
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virtual void setPhoneState(audio_mode_t state);
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virtual void setForceUse(audio_policy_force_use_t usage,
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audio_policy_forced_cfg_t config);
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virtual audio_policy_forced_cfg_t getForceUse(audio_policy_force_use_t usage);
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virtual void setSystemProperty(const char* property, const char* value);
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virtual status_t initCheck();
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virtual audio_io_handle_t getOutput(audio_stream_type_t stream,
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uint32_t samplingRate,
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audio_format_t format,
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audio_channel_mask_t channelMask,
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audio_output_flags_t flags,
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const audio_offload_info_t *offloadInfo);
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virtual status_t getOutputForAttr(const audio_attributes_t *attr,
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audio_io_handle_t *output,
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audio_session_t session,
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audio_stream_type_t *stream,
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uid_t uid,
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uint32_t samplingRate,
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audio_format_t format,
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audio_channel_mask_t channelMask,
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audio_output_flags_t flags,
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audio_port_handle_t selectedDeviceId,
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const audio_offload_info_t *offloadInfo);
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virtual status_t startOutput(audio_io_handle_t output,
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audio_stream_type_t stream,
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audio_session_t session);
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virtual status_t stopOutput(audio_io_handle_t output,
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audio_stream_type_t stream,
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audio_session_t session);
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virtual void releaseOutput(audio_io_handle_t output,
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audio_stream_type_t stream,
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audio_session_t session);
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virtual status_t getInputForAttr(const audio_attributes_t *attr,
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audio_io_handle_t *input,
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audio_session_t session,
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uid_t uid,
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uint32_t samplingRate,
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audio_format_t format,
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audio_channel_mask_t channelMask,
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audio_input_flags_t flags,
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audio_port_handle_t selectedDeviceId,
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input_type_t *inputType);
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// indicates to the audio policy manager that the input starts being used.
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virtual status_t startInput(audio_io_handle_t input,
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audio_session_t session);
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// indicates to the audio policy manager that the input stops being used.
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virtual status_t stopInput(audio_io_handle_t input,
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audio_session_t session);
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virtual void releaseInput(audio_io_handle_t input,
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audio_session_t session);
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virtual void closeAllInputs();
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virtual void initStreamVolume(audio_stream_type_t stream,
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int indexMin,
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int indexMax);
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virtual status_t setStreamVolumeIndex(audio_stream_type_t stream,
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int index,
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audio_devices_t device);
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virtual status_t getStreamVolumeIndex(audio_stream_type_t stream,
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int *index,
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audio_devices_t device);
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// return the strategy corresponding to a given stream type
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virtual uint32_t getStrategyForStream(audio_stream_type_t stream);
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// return the strategy corresponding to the given audio attributes
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virtual uint32_t getStrategyForAttr(const audio_attributes_t *attr);
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// return the enabled output devices for the given stream type
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virtual audio_devices_t getDevicesForStream(audio_stream_type_t stream);
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virtual audio_io_handle_t getOutputForEffect(const effect_descriptor_t *desc = NULL);
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virtual status_t registerEffect(const effect_descriptor_t *desc,
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audio_io_handle_t io,
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uint32_t strategy,
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int session,
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int id);
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virtual status_t unregisterEffect(int id)
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{
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#ifdef DOLBY_ENABLE
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mDolbyAudioPolicy.effectRemoved(&mEffects, id);
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#endif // DOLBY_END
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return mEffects.unregisterEffect(id);
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}
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virtual status_t setEffectEnabled(int id, bool enabled)
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{
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return mEffects.setEffectEnabled(id, enabled);
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}
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virtual bool isStreamActive(audio_stream_type_t stream, uint32_t inPastMs = 0) const;
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// return whether a stream is playing remotely, override to change the definition of
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// local/remote playback, used for instance by notification manager to not make
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// media players lose audio focus when not playing locally
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// For the base implementation, "remotely" means playing during screen mirroring which
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// uses an output for playback with a non-empty, non "0" address.
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virtual bool isStreamActiveRemotely(audio_stream_type_t stream,
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uint32_t inPastMs = 0) const;
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virtual bool isSourceActive(audio_source_t source) const;
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virtual status_t dump(int fd);
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virtual bool isOffloadSupported(const audio_offload_info_t& offloadInfo);
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virtual status_t listAudioPorts(audio_port_role_t role,
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audio_port_type_t type,
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unsigned int *num_ports,
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struct audio_port *ports,
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unsigned int *generation);
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virtual status_t getAudioPort(struct audio_port *port);
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virtual status_t createAudioPatch(const struct audio_patch *patch,
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audio_patch_handle_t *handle,
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uid_t uid);
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virtual status_t releaseAudioPatch(audio_patch_handle_t handle,
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uid_t uid);
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virtual status_t listAudioPatches(unsigned int *num_patches,
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struct audio_patch *patches,
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unsigned int *generation);
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virtual status_t setAudioPortConfig(const struct audio_port_config *config);
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virtual void releaseResourcesForUid(uid_t uid);
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virtual status_t acquireSoundTriggerSession(audio_session_t *session,
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audio_io_handle_t *ioHandle,
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audio_devices_t *device);
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virtual status_t releaseSoundTriggerSession(audio_session_t session)
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{
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return mSoundTriggerSessions.releaseSession(session);
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}
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virtual status_t registerPolicyMixes(Vector<AudioMix> mixes);
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virtual status_t unregisterPolicyMixes(Vector<AudioMix> mixes);
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virtual status_t startAudioSource(const struct audio_port_config *source,
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const audio_attributes_t *attributes,
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audio_io_handle_t *handle,
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uid_t uid);
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virtual status_t stopAudioSource(audio_io_handle_t handle);
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virtual status_t setMasterMono(bool mono);
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virtual status_t getMasterMono(bool *mono);
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// return the strategy corresponding to a given stream type
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routing_strategy getStrategy(audio_stream_type_t stream) const;
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protected:
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// From AudioPolicyManagerObserver
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virtual const AudioPatchCollection &getAudioPatches() const
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{
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return mAudioPatches;
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}
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virtual const SoundTriggerSessionCollection &getSoundTriggerSessionCollection() const
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{
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return mSoundTriggerSessions;
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}
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virtual const AudioPolicyMixCollection &getAudioPolicyMixCollection() const
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{
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return mPolicyMixes;
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}
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virtual const SwAudioOutputCollection &getOutputs() const
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{
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return mOutputs;
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}
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virtual const AudioInputCollection &getInputs() const
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{
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return mInputs;
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}
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virtual const DeviceVector &getAvailableOutputDevices() const
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{
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return mAvailableOutputDevices;
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}
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virtual const DeviceVector &getAvailableInputDevices() const
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{
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return mAvailableInputDevices;
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}
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virtual IVolumeCurvesCollection &getVolumeCurves() { return *mVolumeCurves; }
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virtual const sp<DeviceDescriptor> &getDefaultOutputDevice() const
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{
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return mDefaultOutputDevice;
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}
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protected:
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void addOutput(audio_io_handle_t output, sp<SwAudioOutputDescriptor> outputDesc);
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void removeOutput(audio_io_handle_t output);
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void addInput(audio_io_handle_t input, sp<AudioInputDescriptor> inputDesc);
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// return appropriate device for streams handled by the specified strategy according to current
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// phone state, connected devices...
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// if fromCache is true, the device is returned from mDeviceForStrategy[],
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// otherwise it is determine by current state
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// (device connected,phone state, force use, a2dp output...)
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// This allows to:
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// 1 speed up process when the state is stable (when starting or stopping an output)
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// 2 access to either current device selection (fromCache == true) or
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// "future" device selection (fromCache == false) when called from a context
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// where conditions are changing (setDeviceConnectionState(), setPhoneState()...) AND
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// before updateDevicesAndOutputs() is called.
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virtual audio_devices_t getDeviceForStrategy(routing_strategy strategy,
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bool fromCache);
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bool isStrategyActive(const sp<AudioOutputDescriptor> outputDesc, routing_strategy strategy,
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uint32_t inPastMs = 0, nsecs_t sysTime = 0) const;
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// change the route of the specified output. Returns the number of ms we have slept to
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// allow new routing to take effect in certain cases.
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virtual uint32_t setOutputDevice(const sp<AudioOutputDescriptor>& outputDesc,
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audio_devices_t device,
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bool force = false,
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int delayMs = 0,
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audio_patch_handle_t *patchHandle = NULL,
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const char* address = NULL);
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status_t resetOutputDevice(const sp<AudioOutputDescriptor>& outputDesc,
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int delayMs = 0,
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audio_patch_handle_t *patchHandle = NULL);
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status_t setInputDevice(audio_io_handle_t input,
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audio_devices_t device,
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bool force = false,
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audio_patch_handle_t *patchHandle = NULL);
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status_t resetInputDevice(audio_io_handle_t input,
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audio_patch_handle_t *patchHandle = NULL);
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// select input device corresponding to requested audio source
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virtual audio_devices_t getDeviceForInputSource(audio_source_t inputSource);
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// compute the actual volume for a given stream according to the requested index and a particular
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// device
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virtual float computeVolume(audio_stream_type_t stream,
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int index,
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audio_devices_t device);
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// check that volume change is permitted, compute and send new volume to audio hardware
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virtual status_t checkAndSetVolume(audio_stream_type_t stream, int index,
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const sp<AudioOutputDescriptor>& outputDesc,
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audio_devices_t device,
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int delayMs = 0, bool force = false);
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// apply all stream volumes to the specified output and device
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void applyStreamVolumes(const sp<AudioOutputDescriptor>& outputDesc,
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audio_devices_t device, int delayMs = 0, bool force = false);
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// Mute or unmute all streams handled by the specified strategy on the specified output
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void setStrategyMute(routing_strategy strategy,
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bool on,
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const sp<AudioOutputDescriptor>& outputDesc,
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int delayMs = 0,
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audio_devices_t device = (audio_devices_t)0);
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// Mute or unmute the stream on the specified output
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void setStreamMute(audio_stream_type_t stream,
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bool on,
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const sp<AudioOutputDescriptor>& outputDesc,
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int delayMs = 0,
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audio_devices_t device = (audio_devices_t)0);
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// handle special cases for sonification strategy while in call: mute streams or replace by
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// a special tone in the device used for communication
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void handleIncallSonification(audio_stream_type_t stream, bool starting, bool stateChange);
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audio_mode_t getPhoneState();
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// true if device is in a telephony or VoIP call
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virtual bool isInCall();
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// true if given state represents a device in a telephony or VoIP call
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virtual bool isStateInCall(int state);
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// when a device is connected, checks if an open output can be routed
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// to this device. If none is open, tries to open one of the available outputs.
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// Returns an output suitable to this device or 0.
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// when a device is disconnected, checks if an output is not used any more and
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// returns its handle if any.
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// transfers the audio tracks and effects from one output thread to another accordingly.
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status_t checkOutputsForDevice(const sp<DeviceDescriptor> devDesc,
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audio_policy_dev_state_t state,
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SortedVector<audio_io_handle_t>& outputs,
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const String8 address);
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status_t checkInputsForDevice(const sp<DeviceDescriptor> devDesc,
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audio_policy_dev_state_t state,
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SortedVector<audio_io_handle_t>& inputs,
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const String8 address);
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// close an output and its companion duplicating output.
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void closeOutput(audio_io_handle_t output);
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// close an input.
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void closeInput(audio_io_handle_t input);
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// checks and if necessary changes outputs used for all strategies.
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// must be called every time a condition that affects the output choice for a given strategy
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// changes: connected device, phone state, force use...
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// Must be called before updateDevicesAndOutputs()
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virtual void checkOutputForStrategy(routing_strategy strategy);
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// Same as checkOutputForStrategy() but for a all strategies in order of priority
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void checkOutputForAllStrategies();
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// manages A2DP output suspend/restore according to phone state and BT SCO usage
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void checkA2dpSuspend();
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// selects the most appropriate device on output for current state
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// must be called every time a condition that affects the device choice for a given output is
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// changed: connected device, phone state, force use, output start, output stop..
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// see getDeviceForStrategy() for the use of fromCache parameter
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virtual audio_devices_t getNewOutputDevice(const sp<AudioOutputDescriptor>& outputDesc,
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bool fromCache);
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// updates cache of device used by all strategies (mDeviceForStrategy[])
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// must be called every time a condition that affects the device choice for a given strategy is
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// changed: connected device, phone state, force use...
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// cached values are used by getDeviceForStrategy() if parameter fromCache is true.
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// Must be called after checkOutputForAllStrategies()
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void updateDevicesAndOutputs();
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// selects the most appropriate device on input for current state
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audio_devices_t getNewInputDevice(audio_io_handle_t input);
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virtual uint32_t getMaxEffectsCpuLoad()
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{
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return mEffects.getMaxEffectsCpuLoad();
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}
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virtual uint32_t getMaxEffectsMemory()
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{
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return mEffects.getMaxEffectsMemory();
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}
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#ifdef AUDIO_POLICY_TEST
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virtual bool threadLoop();
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void exit();
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int testOutputIndex(audio_io_handle_t output);
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#endif //AUDIO_POLICY_TEST
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SortedVector<audio_io_handle_t> getOutputsForDevice(audio_devices_t device,
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SwAudioOutputCollection openOutputs);
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bool vectorsEqual(SortedVector<audio_io_handle_t>& outputs1,
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SortedVector<audio_io_handle_t>& outputs2);
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// mute/unmute strategies using an incompatible device combination
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// if muting, wait for the audio in pcm buffer to be drained before proceeding
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// if unmuting, unmute only after the specified delay
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// Returns the number of ms waited
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virtual uint32_t checkDeviceMuteStrategies(sp<AudioOutputDescriptor> outputDesc,
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audio_devices_t prevDevice,
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uint32_t delayMs);
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audio_io_handle_t selectOutput(const SortedVector<audio_io_handle_t>& outputs,
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audio_output_flags_t flags,
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audio_format_t format);
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// samplingRate, format, channelMask are in/out and so may be modified
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sp<IOProfile> getInputProfile(audio_devices_t device,
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String8 address,
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uint32_t& samplingRate,
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audio_format_t& format,
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audio_channel_mask_t& channelMask,
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audio_input_flags_t flags);
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sp<IOProfile> getProfileForDirectOutput(audio_devices_t device,
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uint32_t samplingRate,
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audio_format_t format,
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audio_channel_mask_t channelMask,
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audio_output_flags_t flags);
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audio_io_handle_t selectOutputForEffects(const SortedVector<audio_io_handle_t>& outputs);
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virtual status_t addAudioPatch(audio_patch_handle_t handle, const sp<AudioPatch>& patch)
|
|
{
|
|
return mAudioPatches.addAudioPatch(handle, patch);
|
|
}
|
|
virtual status_t removeAudioPatch(audio_patch_handle_t handle)
|
|
{
|
|
return mAudioPatches.removeAudioPatch(handle);
|
|
}
|
|
|
|
audio_devices_t availablePrimaryOutputDevices() const
|
|
{
|
|
if (!hasPrimaryOutput()) {
|
|
return AUDIO_DEVICE_NONE;
|
|
}
|
|
return mPrimaryOutput->supportedDevices() & mAvailableOutputDevices.types();
|
|
}
|
|
audio_devices_t availablePrimaryInputDevices() const
|
|
{
|
|
if (!hasPrimaryOutput()) {
|
|
return AUDIO_DEVICE_NONE;
|
|
}
|
|
return mAvailableInputDevices.getDevicesFromHwModule(mPrimaryOutput->getModuleHandle());
|
|
}
|
|
|
|
uint32_t updateCallRouting(audio_devices_t rxDevice, uint32_t delayMs = 0);
|
|
|
|
// if argument "device" is different from AUDIO_DEVICE_NONE, startSource() will force
|
|
// the re-evaluation of the output device.
|
|
virtual status_t startSource(sp<AudioOutputDescriptor> outputDesc,
|
|
audio_stream_type_t stream,
|
|
audio_devices_t device,
|
|
const char *address,
|
|
uint32_t *delayMs);
|
|
virtual status_t stopSource(sp<AudioOutputDescriptor> outputDesc,
|
|
audio_stream_type_t stream,
|
|
bool forceDeviceUpdate);
|
|
|
|
void clearAudioPatches(uid_t uid);
|
|
void clearSessionRoutes(uid_t uid);
|
|
void checkStrategyRoute(routing_strategy strategy, audio_io_handle_t ouptutToSkip);
|
|
|
|
status_t hasPrimaryOutput() const { return mPrimaryOutput != 0; }
|
|
|
|
status_t connectAudioSource(const sp<AudioSourceDescriptor>& sourceDesc);
|
|
status_t disconnectAudioSource(const sp<AudioSourceDescriptor>& sourceDesc);
|
|
|
|
sp<AudioSourceDescriptor> getSourceForStrategyOnOutput(audio_io_handle_t output,
|
|
routing_strategy strategy);
|
|
|
|
void cleanUpForDevice(const sp<DeviceDescriptor>& deviceDesc);
|
|
|
|
void clearAudioSources(uid_t uid);
|
|
|
|
|
|
static bool streamsMatchForvolume(audio_stream_type_t stream1,
|
|
audio_stream_type_t stream2);
|
|
|
|
uid_t mUidCached;
|
|
AudioPolicyClientInterface *mpClientInterface; // audio policy client interface
|
|
sp<SwAudioOutputDescriptor> mPrimaryOutput; // primary output descriptor
|
|
// list of descriptors for outputs currently opened
|
|
|
|
SwAudioOutputCollection mOutputs;
|
|
// copy of mOutputs before setDeviceConnectionState() opens new outputs
|
|
// reset to mOutputs when updateDevicesAndOutputs() is called.
|
|
SwAudioOutputCollection mPreviousOutputs;
|
|
AudioInputCollection mInputs; // list of input descriptors
|
|
|
|
DeviceVector mAvailableOutputDevices; // all available output devices
|
|
DeviceVector mAvailableInputDevices; // all available input devices
|
|
|
|
SessionRouteMap mOutputRoutes = SessionRouteMap(SessionRouteMap::MAPTYPE_OUTPUT);
|
|
SessionRouteMap mInputRoutes = SessionRouteMap(SessionRouteMap::MAPTYPE_INPUT);
|
|
|
|
IVolumeCurvesCollection *mVolumeCurves; // Volume Curves per use case and device category
|
|
|
|
bool mLimitRingtoneVolume; // limit ringtone volume to music volume if headset connected
|
|
audio_devices_t mDeviceForStrategy[NUM_STRATEGIES];
|
|
float mLastVoiceVolume; // last voice volume value sent to audio HAL
|
|
|
|
EffectDescriptorCollection mEffects; // list of registered audio effects
|
|
bool mA2dpSuspended; // true if A2DP output is suspended
|
|
sp<DeviceDescriptor> mDefaultOutputDevice; // output device selected by default at boot time
|
|
HwModuleCollection mHwModules;
|
|
|
|
volatile int32_t mAudioPortGeneration;
|
|
|
|
AudioPatchCollection mAudioPatches;
|
|
|
|
SoundTriggerSessionCollection mSoundTriggerSessions;
|
|
|
|
sp<AudioPatch> mCallTxPatch;
|
|
sp<AudioPatch> mCallRxPatch;
|
|
|
|
HwAudioOutputCollection mHwOutputs;
|
|
AudioSourceCollection mAudioSources;
|
|
|
|
// for supporting "beacon" streams, i.e. streams that only play on speaker, and never
|
|
// when something other than STREAM_TTS (a.k.a. "Transmitted Through Speaker") is playing
|
|
enum {
|
|
STARTING_OUTPUT,
|
|
STARTING_BEACON,
|
|
STOPPING_OUTPUT,
|
|
STOPPING_BEACON
|
|
};
|
|
uint32_t mBeaconMuteRefCount; // ref count for stream that would mute beacon
|
|
uint32_t mBeaconPlayingRefCount;// ref count for the playing beacon streams
|
|
bool mBeaconMuted; // has STREAM_TTS been muted
|
|
bool mTtsOutputAvailable; // true if a dedicated output for TTS stream is available
|
|
|
|
bool mMasterMono; // true if we wish to force all outputs to mono
|
|
AudioPolicyMixCollection mPolicyMixes; // list of registered mixes
|
|
|
|
#ifdef AUDIO_POLICY_TEST
|
|
Mutex mLock;
|
|
Condition mWaitWorkCV;
|
|
|
|
int mCurOutput;
|
|
bool mDirectOutput;
|
|
audio_io_handle_t mTestOutputs[NUM_TEST_OUTPUTS];
|
|
int mTestInput;
|
|
uint32_t mTestDevice;
|
|
uint32_t mTestSamplingRate;
|
|
uint32_t mTestFormat;
|
|
uint32_t mTestChannels;
|
|
uint32_t mTestLatencyMs;
|
|
#endif //AUDIO_POLICY_TEST
|
|
|
|
uint32_t nextAudioPortGeneration();
|
|
|
|
// Audio Policy Engine Interface.
|
|
AudioPolicyManagerInterface *mEngine;
|
|
private:
|
|
// Add or remove AC3 DTS encodings based on user preferences.
|
|
void filterSurroundFormats(FormatVector *formatsPtr);
|
|
void filterSurroundChannelMasks(ChannelsVector *channelMasksPtr);
|
|
|
|
// If any, resolve any "dynamic" fields of an Audio Profiles collection
|
|
void updateAudioProfiles(audio_devices_t device, audio_io_handle_t ioHandle,
|
|
AudioProfileVector &profiles);
|
|
protected:
|
|
// updates device caching and output for streams that can influence the
|
|
// routing of notifications
|
|
void handleNotificationRoutingForStream(audio_stream_type_t stream);
|
|
// find the outputs on a given output descriptor that have the given address.
|
|
// to be called on an AudioOutputDescriptor whose supported devices (as defined
|
|
// in mProfile->mSupportedDevices) matches the device whose address is to be matched.
|
|
// see deviceDistinguishesOnAddress(audio_devices_t) for whether the device type is one
|
|
// where addresses are used to distinguish between one connected device and another.
|
|
void findIoHandlesByAddress(sp<SwAudioOutputDescriptor> desc /*in*/,
|
|
const audio_devices_t device /*in*/,
|
|
const String8 address /*in*/,
|
|
SortedVector<audio_io_handle_t>& outputs /*out*/);
|
|
uint32_t curAudioPortGeneration() const { return mAudioPortGeneration; }
|
|
// internal method to return the output handle for the given device and format
|
|
virtual audio_io_handle_t getOutputForDevice(
|
|
audio_devices_t device,
|
|
audio_session_t session,
|
|
audio_stream_type_t stream,
|
|
uint32_t samplingRate,
|
|
audio_format_t format,
|
|
audio_channel_mask_t channelMask,
|
|
audio_output_flags_t flags,
|
|
const audio_offload_info_t *offloadInfo);
|
|
// internal method to return the input handle for the given device and format
|
|
audio_io_handle_t getInputForDevice(audio_devices_t device,
|
|
String8 address,
|
|
audio_session_t session,
|
|
uid_t uid,
|
|
audio_source_t inputSource,
|
|
uint32_t samplingRate,
|
|
audio_format_t format,
|
|
audio_channel_mask_t channelMask,
|
|
audio_input_flags_t flags,
|
|
AudioMix *policyMix);
|
|
|
|
// internal function to derive a stream type value from audio attributes
|
|
audio_stream_type_t streamTypefromAttributesInt(const audio_attributes_t *attr);
|
|
// event is one of STARTING_OUTPUT, STARTING_BEACON, STOPPING_OUTPUT, STOPPING_BEACON
|
|
// returns 0 if no mute/unmute event happened, the largest latency of the device where
|
|
// the mute/unmute happened
|
|
uint32_t handleEventForBeacon(int event);
|
|
uint32_t setBeaconMute(bool mute);
|
|
bool isValidAttributes(const audio_attributes_t *paa);
|
|
|
|
// select input device corresponding to requested audio source and return associated policy
|
|
// mix if any. Calls getDeviceForInputSource().
|
|
audio_devices_t getDeviceAndMixForInputSource(audio_source_t inputSource,
|
|
AudioMix **policyMix = NULL);
|
|
|
|
// Called by setDeviceConnectionState().
|
|
virtual status_t setDeviceConnectionStateInt(audio_devices_t device,
|
|
audio_policy_dev_state_t state,
|
|
const char *device_address,
|
|
const char *device_name);
|
|
void updateMono(audio_io_handle_t output) {
|
|
AudioParameter param;
|
|
param.addInt(String8(AUDIO_PARAMETER_MONO_OUTPUT), (int)mMasterMono);
|
|
mpClientInterface->setParameters(output, param.toString());
|
|
}
|
|
#ifdef DOLBY_ENABLE
|
|
protected:
|
|
#include "DolbyAudioPolicy.h"
|
|
DolbyAudioPolicy mDolbyAudioPolicy;
|
|
#endif // DOLBY_END
|
|
};
|
|
|
|
};
|