| #ifndef HIDL_GENERATED_ANDROID_HARDWARE_AUTOMOTIVE_AUDIOCONTROL_V2_0_IAUDIOCONTROL_H |
| #define HIDL_GENERATED_ANDROID_HARDWARE_AUTOMOTIVE_AUDIOCONTROL_V2_0_IAUDIOCONTROL_H |
| |
| #include <android/hardware/audio/common/6.0/types.h> |
| #include <android/hardware/automotive/audiocontrol/2.0/ICloseHandle.h> |
| #include <android/hardware/automotive/audiocontrol/2.0/IFocusListener.h> |
| #include <android/hardware/automotive/audiocontrol/2.0/types.h> |
| #include <android/hidl/base/1.0/IBase.h> |
| |
| #include <android/hidl/manager/1.0/IServiceNotification.h> |
| |
| #include <hidl/HidlSupport.h> |
| #include <hidl/MQDescriptor.h> |
| #include <hidl/Status.h> |
| #include <utils/NativeHandle.h> |
| #include <utils/misc.h> |
| |
| namespace android { |
| namespace hardware { |
| namespace automotive { |
| namespace audiocontrol { |
| namespace V2_0 { |
| |
| /** |
| * Interacts with the car's audio subsystem to manage audio sources and volumes |
| */ |
| struct IAudioControl : public ::android::hidl::base::V1_0::IBase { |
| /** |
| * Type tag for use in template logic that indicates this is a 'pure' class. |
| */ |
| typedef ::android::hardware::details::i_tag _hidl_tag; |
| |
| /** |
| * Fully qualified interface name: "android.hardware.automotive.audiocontrol@2.0::IAudioControl" |
| */ |
| static const char* descriptor; |
| |
| /** |
| * Returns whether this object's implementation is outside of the current process. |
| */ |
| virtual bool isRemote() const override { return false; } |
| |
| /** |
| * Registers focus listener to be used by HAL for requesting and abandoning audio focus. |
| * |
| * It is expected that there will only ever be a single focus listener registered. If the |
| * observer dies, the HAL implementation must unregister observer automatically. If called when |
| * a listener is already registered, the existing one should be unregistered and replaced with |
| * the new listener. |
| * |
| * @param listener the listener interface |
| * @return closeHandle A handle to unregister observer. |
| */ |
| virtual ::android::hardware::Return<::android::sp<::android::hardware::automotive::audiocontrol::V2_0::ICloseHandle>> registerFocusListener(const ::android::sp<::android::hardware::automotive::audiocontrol::V2_0::IFocusListener>& listener) = 0; |
| |
| /** |
| * Notifies HAL of changes in audio focus status for focuses requested or abandoned by the HAL. |
| * |
| * This will be called in response to IFocusListener's requestAudioFocus and |
| * abandonAudioFocus, as well as part of any change in focus being held by the HAL due focus |
| * request from other activities or services. |
| * |
| * The HAL is not required to wait for an callback of AUDIOFOCUS_GAIN before playing audio, nor |
| * is it required to stop playing audio in the event of a AUDIOFOCUS_LOSS callback is received. |
| * |
| * @param usage The audio usage associated with the focus change {@code AttributeUsage} |
| * @param zoneId The identifier for the audio zone that the HAL is playing the stream in |
| * @param focusChange the AudioFocusChange that has occurred |
| */ |
| virtual ::android::hardware::Return<void> onAudioFocusChange(::android::hardware::hidl_bitfield<::android::hardware::audio::common::V6_0::AudioUsage> usage, int32_t zoneId, ::android::hardware::hidl_bitfield<::android::hardware::automotive::audiocontrol::V2_0::AudioFocusChange> focusChange) = 0; |
| |
| /** |
| * Control the right/left balance setting of the car speakers. |
| * |
| * This is intended to shift the speaker volume toward the right (+) or left (-) side of |
| * the car. 0.0 means "centered". +1.0 means fully right. -1.0 means fully left. |
| * |
| * A value outside the range -1 to 1 must be clamped by the implementation to the -1 to 1 |
| * range. |
| */ |
| virtual ::android::hardware::Return<void> setBalanceTowardRight(float value) = 0; |
| |
| /** |
| * Control the fore/aft fade setting of the car speakers. |
| * |
| * This is intended to shift the speaker volume toward the front (+) or back (-) of the car. |
| * 0.0 means "centered". +1.0 means fully forward. -1.0 means fully rearward. |
| * |
| * A value outside the range -1 to 1 must be clamped by the implementation to the -1 to 1 |
| * range. |
| */ |
| virtual ::android::hardware::Return<void> setFadeTowardFront(float value) = 0; |
| |
| /** |
| * Return callback for interfaceChain |
| */ |
| using interfaceChain_cb = std::function<void(const ::android::hardware::hidl_vec<::android::hardware::hidl_string>& descriptors)>; |
| /* |
| * Provides run-time type information for this object. |
| * For example, for the following interface definition: |
| * package android.hardware.foo@1.0; |
| * interface IParent {}; |
| * interface IChild extends IParent {}; |
| * Calling interfaceChain on an IChild object must yield the following: |
| * ["android.hardware.foo@1.0::IChild", |
| * "android.hardware.foo@1.0::IParent" |
| * "android.hidl.base@1.0::IBase"] |
| * |
| * @return descriptors a vector of descriptors of the run-time type of the |
| * object. |
| */ |
| virtual ::android::hardware::Return<void> interfaceChain(interfaceChain_cb _hidl_cb) override; |
| |
| /* |
| * Emit diagnostic information to the given file. |
| * |
| * Optionally overriden. |
| * |
| * @param fd File descriptor to dump data to. |
| * Must only be used for the duration of this call. |
| * @param options Arguments for debugging. |
| * Must support empty for default debug information. |
| */ |
| virtual ::android::hardware::Return<void> debug(const ::android::hardware::hidl_handle& fd, const ::android::hardware::hidl_vec<::android::hardware::hidl_string>& options) override; |
| |
| /** |
| * Return callback for interfaceDescriptor |
| */ |
| using interfaceDescriptor_cb = std::function<void(const ::android::hardware::hidl_string& descriptor)>; |
| /* |
| * Provides run-time type information for this object. |
| * For example, for the following interface definition: |
| * package android.hardware.foo@1.0; |
| * interface IParent {}; |
| * interface IChild extends IParent {}; |
| * Calling interfaceDescriptor on an IChild object must yield |
| * "android.hardware.foo@1.0::IChild" |
| * |
| * @return descriptor a descriptor of the run-time type of the |
| * object (the first element of the vector returned by |
| * interfaceChain()) |
| */ |
| virtual ::android::hardware::Return<void> interfaceDescriptor(interfaceDescriptor_cb _hidl_cb) override; |
| |
| /** |
| * Return callback for getHashChain |
| */ |
| using getHashChain_cb = std::function<void(const ::android::hardware::hidl_vec<::android::hardware::hidl_array<uint8_t, 32>>& hashchain)>; |
| /* |
| * Returns hashes of the source HAL files that define the interfaces of the |
| * runtime type information on the object. |
| * For example, for the following interface definition: |
| * package android.hardware.foo@1.0; |
| * interface IParent {}; |
| * interface IChild extends IParent {}; |
| * Calling interfaceChain on an IChild object must yield the following: |
| * [(hash of IChild.hal), |
| * (hash of IParent.hal) |
| * (hash of IBase.hal)]. |
| * |
| * SHA-256 is used as the hashing algorithm. Each hash has 32 bytes |
| * according to SHA-256 standard. |
| * |
| * @return hashchain a vector of SHA-1 digests |
| */ |
| virtual ::android::hardware::Return<void> getHashChain(getHashChain_cb _hidl_cb) override; |
| |
| /* |
| * This method trigger the interface to enable/disable instrumentation based |
| * on system property hal.instrumentation.enable. |
| */ |
| virtual ::android::hardware::Return<void> setHALInstrumentation() override; |
| |
| /* |
| * Registers a death recipient, to be called when the process hosting this |
| * interface dies. |
| * |
| * @param recipient a hidl_death_recipient callback object |
| * @param cookie a cookie that must be returned with the callback |
| * @return success whether the death recipient was registered successfully. |
| */ |
| virtual ::android::hardware::Return<bool> linkToDeath(const ::android::sp<::android::hardware::hidl_death_recipient>& recipient, uint64_t cookie) override; |
| |
| /* |
| * Provides way to determine if interface is running without requesting |
| * any functionality. |
| */ |
| virtual ::android::hardware::Return<void> ping() override; |
| |
| /** |
| * Return callback for getDebugInfo |
| */ |
| using getDebugInfo_cb = std::function<void(const ::android::hidl::base::V1_0::DebugInfo& info)>; |
| /* |
| * Get debug information on references on this interface. |
| * @return info debugging information. See comments of DebugInfo. |
| */ |
| virtual ::android::hardware::Return<void> getDebugInfo(getDebugInfo_cb _hidl_cb) override; |
| |
| /* |
| * This method notifies the interface that one or more system properties |
| * have changed. The default implementation calls |
| * (C++) report_sysprop_change() in libcutils or |
| * (Java) android.os.SystemProperties.reportSyspropChanged, |
| * which in turn calls a set of registered callbacks (eg to update trace |
| * tags). |
| */ |
| virtual ::android::hardware::Return<void> notifySyspropsChanged() override; |
| |
| /* |
| * Unregisters the registered death recipient. If this service was registered |
| * multiple times with the same exact death recipient, this unlinks the most |
| * recently registered one. |
| * |
| * @param recipient a previously registered hidl_death_recipient callback |
| * @return success whether the death recipient was unregistered successfully. |
| */ |
| virtual ::android::hardware::Return<bool> unlinkToDeath(const ::android::sp<::android::hardware::hidl_death_recipient>& recipient) override; |
| |
| // cast static functions |
| /** |
| * This performs a checked cast based on what the underlying implementation actually is. |
| */ |
| static ::android::hardware::Return<::android::sp<::android::hardware::automotive::audiocontrol::V2_0::IAudioControl>> castFrom(const ::android::sp<::android::hardware::automotive::audiocontrol::V2_0::IAudioControl>& parent, bool emitError = false); |
| /** |
| * This performs a checked cast based on what the underlying implementation actually is. |
| */ |
| static ::android::hardware::Return<::android::sp<::android::hardware::automotive::audiocontrol::V2_0::IAudioControl>> castFrom(const ::android::sp<::android::hidl::base::V1_0::IBase>& parent, bool emitError = false); |
| |
| // helper methods for interactions with the hwservicemanager |
| /** |
| * This gets the service of this type with the specified instance name. If the |
| * service is currently not available or not in the VINTF manifest on a Trebilized |
| * device, this will return nullptr. This is useful when you don't want to block |
| * during device boot. If getStub is true, this will try to return an unwrapped |
| * passthrough implementation in the same process. This is useful when getting an |
| * implementation from the same partition/compilation group. |
| * |
| * In general, prefer getService(std::string,bool) |
| */ |
| static ::android::sp<IAudioControl> tryGetService(const std::string &serviceName="default", bool getStub=false); |
| /** |
| * Deprecated. See tryGetService(std::string, bool) |
| */ |
| static ::android::sp<IAudioControl> tryGetService(const char serviceName[], bool getStub=false) { std::string str(serviceName ? serviceName : ""); return tryGetService(str, getStub); } |
| /** |
| * Deprecated. See tryGetService(std::string, bool) |
| */ |
| static ::android::sp<IAudioControl> tryGetService(const ::android::hardware::hidl_string& serviceName, bool getStub=false) { std::string str(serviceName.c_str()); return tryGetService(str, getStub); } |
| /** |
| * Calls tryGetService("default", bool). This is the recommended instance name for singleton services. |
| */ |
| static ::android::sp<IAudioControl> tryGetService(bool getStub) { return tryGetService("default", getStub); } |
| /** |
| * This gets the service of this type with the specified instance name. If the |
| * service is not in the VINTF manifest on a Trebilized device, this will return |
| * nullptr. If the service is not available, this will wait for the service to |
| * become available. If the service is a lazy service, this will start the service |
| * and return when it becomes available. If getStub is true, this will try to |
| * return an unwrapped passthrough implementation in the same process. This is |
| * useful when getting an implementation from the same partition/compilation group. |
| */ |
| static ::android::sp<IAudioControl> getService(const std::string &serviceName="default", bool getStub=false); |
| /** |
| * Deprecated. See getService(std::string, bool) |
| */ |
| static ::android::sp<IAudioControl> getService(const char serviceName[], bool getStub=false) { std::string str(serviceName ? serviceName : ""); return getService(str, getStub); } |
| /** |
| * Deprecated. See getService(std::string, bool) |
| */ |
| static ::android::sp<IAudioControl> getService(const ::android::hardware::hidl_string& serviceName, bool getStub=false) { std::string str(serviceName.c_str()); return getService(str, getStub); } |
| /** |
| * Calls getService("default", bool). This is the recommended instance name for singleton services. |
| */ |
| static ::android::sp<IAudioControl> getService(bool getStub) { return getService("default", getStub); } |
| /** |
| * Registers a service with the service manager. For Trebilized devices, the service |
| * must also be in the VINTF manifest. |
| */ |
| __attribute__ ((warn_unused_result))::android::status_t registerAsService(const std::string &serviceName="default"); |
| /** |
| * Registers for notifications for when a service is registered. |
| */ |
| static bool registerForNotifications( |
| const std::string &serviceName, |
| const ::android::sp<::android::hidl::manager::V1_0::IServiceNotification> ¬ification); |
| }; |
| |
| // |
| // type declarations for package |
| // |
| |
| static inline std::string toString(const ::android::sp<::android::hardware::automotive::audiocontrol::V2_0::IAudioControl>& o); |
| |
| // |
| // type header definitions for package |
| // |
| |
| static inline std::string toString(const ::android::sp<::android::hardware::automotive::audiocontrol::V2_0::IAudioControl>& o) { |
| std::string os = "[class or subclass of "; |
| os += ::android::hardware::automotive::audiocontrol::V2_0::IAudioControl::descriptor; |
| os += "]"; |
| os += o->isRemote() ? "@remote" : "@local"; |
| return os; |
| } |
| |
| |
| } // namespace V2_0 |
| } // namespace audiocontrol |
| } // namespace automotive |
| } // namespace hardware |
| } // namespace android |
| |
| // |
| // global type declarations for package |
| // |
| |
| |
| #endif // HIDL_GENERATED_ANDROID_HARDWARE_AUTOMOTIVE_AUDIOCONTROL_V2_0_IAUDIOCONTROL_H |