| /* |
| * Copyright (C) 2022 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #pragma once |
| |
| #include <map> |
| #include <set> |
| #include <vector> |
| |
| #include <aidl/android/hardware/audio/core/BpModule.h> |
| #include <media/audiohal/DeviceHalInterface.h> |
| #include <media/audiohal/EffectHalInterface.h> |
| |
| #include "ConversionHelperAidl.h" |
| |
| namespace android { |
| |
| class DeviceHalAidl : public DeviceHalInterface, public ConversionHelperAidl { |
| public: |
| // Sets the value of 'devices' to a bitmask of 1 or more values of audio_devices_t. |
| status_t getSupportedDevices(uint32_t *devices) override; |
| |
| // Check to see if the audio hardware interface has been initialized. |
| status_t initCheck() override; |
| |
| // Set the audio volume of a voice call. Range is between 0.0 and 1.0. |
| status_t setVoiceVolume(float volume) override; |
| |
| // Set the audio volume for all audio activities other than voice call. |
| status_t setMasterVolume(float volume) override; |
| |
| // Get the current master volume value for the HAL. |
| status_t getMasterVolume(float *volume) override; |
| |
| // Called when the audio mode changes. |
| status_t setMode(audio_mode_t mode) override; |
| |
| // Muting control. |
| status_t setMicMute(bool state) override; |
| |
| status_t getMicMute(bool* state) override; |
| |
| status_t setMasterMute(bool state) override; |
| |
| status_t getMasterMute(bool *state) override; |
| |
| // Set global audio parameters. |
| status_t setParameters(const String8& kvPairs) override; |
| |
| // Get global audio parameters. |
| status_t getParameters(const String8& keys, String8 *values) override; |
| |
| // Returns audio input buffer size according to parameters passed. |
| status_t getInputBufferSize(const struct audio_config* config, size_t* size) override; |
| |
| // Creates and opens the audio hardware output stream. The stream is closed |
| // by releasing all references to the returned object. |
| status_t openOutputStream(audio_io_handle_t handle, audio_devices_t devices, |
| audio_output_flags_t flags, struct audio_config* config, |
| const char* address, sp<StreamOutHalInterface>* outStream) override; |
| |
| // Creates and opens the audio hardware input stream. The stream is closed |
| // by releasing all references to the returned object. |
| status_t openInputStream(audio_io_handle_t handle, audio_devices_t devices, |
| struct audio_config* config, audio_input_flags_t flags, |
| const char* address, audio_source_t source, |
| audio_devices_t outputDevice, const char* outputDeviceAddress, |
| sp<StreamInHalInterface>* inStream) override; |
| |
| // Returns whether createAudioPatch and releaseAudioPatch operations are supported. |
| status_t supportsAudioPatches(bool* supportsPatches) override; |
| |
| // Creates an audio patch between several source and sink ports. |
| status_t createAudioPatch(unsigned int num_sources, const struct audio_port_config* sources, |
| unsigned int num_sinks, const struct audio_port_config* sinks, |
| audio_patch_handle_t* patch) override; |
| |
| // Releases an audio patch. |
| status_t releaseAudioPatch(audio_patch_handle_t patch) override; |
| |
| // Fills the list of supported attributes for a given audio port. |
| status_t getAudioPort(struct audio_port* port) override; |
| |
| // Fills the list of supported attributes for a given audio port. |
| status_t getAudioPort(struct audio_port_v7 *port) override; |
| |
| // Set audio port configuration. |
| status_t setAudioPortConfig(const struct audio_port_config* config) override; |
| |
| // List microphones |
| status_t getMicrophones(std::vector<audio_microphone_characteristic_t>* microphones); |
| |
| status_t addDeviceEffect(audio_port_handle_t device, sp<EffectHalInterface> effect) override; |
| |
| status_t removeDeviceEffect(audio_port_handle_t device, sp<EffectHalInterface> effect) override; |
| |
| status_t getMmapPolicyInfos(media::audio::common::AudioMMapPolicyType policyType __unused, |
| std::vector<media::audio::common::AudioMMapPolicyInfo>* policyInfos |
| __unused) override; |
| |
| int32_t getAAudioMixerBurstCount() override; |
| |
| int32_t getAAudioHardwareBurstMinUsec() override; |
| |
| error::Result<audio_hw_sync_t> getHwAvSync() override; |
| |
| status_t dump(int __unused, const Vector<String16>& __unused) override; |
| |
| int32_t supportsBluetoothVariableLatency(bool* supports __unused) override; |
| |
| private: |
| friend class sp<DeviceHalAidl>; |
| using Patches = std::map<int32_t /*patch ID*/, |
| ::aidl::android::hardware::audio::core::AudioPatch>; |
| using PortConfigs = std::map<int32_t /*port config ID*/, |
| ::aidl::android::media::audio::common::AudioPortConfig>; |
| using Ports = std::map<int32_t /*port ID*/, ::aidl::android::media::audio::common::AudioPort>; |
| class Cleanups; |
| |
| // Must not be constructed directly by clients. |
| DeviceHalAidl( |
| const std::string& instance, |
| const std::shared_ptr<::aidl::android::hardware::audio::core::IModule>& module) |
| : ConversionHelperAidl("DeviceHalAidl"), mInstance(instance), mModule(module) {} |
| |
| ~DeviceHalAidl() override = default; |
| |
| status_t createPortConfig( |
| const ::aidl::android::media::audio::common::AudioPortConfig& requestedPortConfig, |
| ::aidl::android::media::audio::common::AudioPortConfig* appliedPortConfig); |
| status_t findOrCreatePatch( |
| const std::set<int32_t>& sourcePortConfigIds, |
| const std::set<int32_t>& sinkPortConfigIds, |
| ::aidl::android::hardware::audio::core::AudioPatch* patch, bool* created); |
| status_t findOrCreatePatch( |
| const ::aidl::android::hardware::audio::core::AudioPatch& requestedPatch, |
| ::aidl::android::hardware::audio::core::AudioPatch* patch, bool* created); |
| status_t findOrCreatePortConfig( |
| const ::aidl::android::media::audio::common::AudioDevice& device, |
| ::aidl::android::media::audio::common::AudioPortConfig* portConfig, |
| bool* created); |
| status_t findOrCreatePortConfig( |
| const ::aidl::android::media::audio::common::AudioConfig& config, |
| const ::aidl::android::media::audio::common::AudioIoFlags& flags, |
| int32_t ioHandle, |
| ::aidl::android::media::audio::common::AudioPortConfig* portConfig, bool* created); |
| status_t findOrCreatePortConfig( |
| const ::aidl::android::media::audio::common::AudioPortConfig& requestedPortConfig, |
| ::aidl::android::media::audio::common::AudioPortConfig* portConfig, bool* created); |
| Patches::iterator findPatch(const std::set<int32_t>& sourcePortConfigIds, |
| const std::set<int32_t>& sinkPortConfigIds); |
| Ports::iterator findPort(const ::aidl::android::media::audio::common::AudioDevice& device); |
| Ports::iterator findPort( |
| const ::aidl::android::media::audio::common::AudioConfig& config, |
| const ::aidl::android::media::audio::common::AudioIoFlags& flags); |
| PortConfigs::iterator findPortConfig( |
| const ::aidl::android::media::audio::common::AudioDevice& device); |
| PortConfigs::iterator findPortConfig( |
| const ::aidl::android::media::audio::common::AudioConfig& config, |
| const ::aidl::android::media::audio::common::AudioIoFlags& flags, |
| int32_t ioHandle); |
| // Currently unused but may be useful for implementing setAudioPortConfig |
| // PortConfigs::iterator findPortConfig( |
| // const ::aidl::android::media::audio::common::AudioPortConfig& portConfig); |
| status_t prepareToOpenStream( |
| int32_t aidlHandle, |
| const ::aidl::android::media::audio::common::AudioDevice& aidlDevice, |
| const ::aidl::android::media::audio::common::AudioIoFlags& aidlFlags, |
| struct audio_config* config, |
| Cleanups* cleanups, |
| ::aidl::android::media::audio::common::AudioConfig* aidlConfig, |
| ::aidl::android::media::audio::common::AudioPortConfig* mixPortConfig); |
| void resetPatch(int32_t patchId); |
| void resetPortConfig(int32_t portConfigId); |
| |
| const std::string mInstance; |
| const std::shared_ptr<::aidl::android::hardware::audio::core::IModule> mModule; |
| Ports mPorts; |
| PortConfigs mPortConfigs; |
| Patches mPatches; |
| std::map<audio_patch_handle_t, int32_t /* patch ID */> mFwkHandles; |
| }; |
| |
| } // namespace android |