/* * Copyright (C) 2009 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. */ #ifndef ANDROID_IAUDIOPOLICYSERVICE_H #define ANDROID_IAUDIOPOLICYSERVICE_H #include #include #include #include #include #include #include #include #include #include namespace android { // ---------------------------------------------------------------------------- class IAudioPolicyService : public IInterface { public: DECLARE_META_INTERFACE(AudioPolicyService); // // IAudioPolicyService interface (see AudioPolicyInterface for method descriptions) // virtual status_t setDeviceConnectionState(audio_devices_t device, audio_policy_dev_state_t state, const char *device_address, const char *device_name) = 0; virtual audio_policy_dev_state_t getDeviceConnectionState(audio_devices_t device, const char *device_address) = 0; virtual status_t setPhoneState(audio_mode_t state) = 0; virtual status_t setForceUse(audio_policy_force_use_t usage, audio_policy_forced_cfg_t config) = 0; virtual audio_policy_forced_cfg_t getForceUse(audio_policy_force_use_t usage) = 0; virtual audio_io_handle_t getOutput(audio_stream_type_t stream, uint32_t samplingRate = 0, audio_format_t format = AUDIO_FORMAT_DEFAULT, audio_channel_mask_t channelMask = 0, audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE, const audio_offload_info_t *offloadInfo = NULL) = 0; virtual status_t getOutputForAttr(const audio_attributes_t *attr, audio_io_handle_t *output, audio_session_t session, audio_stream_type_t *stream, uid_t uid, uint32_t samplingRate = 0, audio_format_t format = AUDIO_FORMAT_DEFAULT, audio_channel_mask_t channelMask = 0, audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE, audio_port_handle_t selectedDeviceId = AUDIO_PORT_HANDLE_NONE, const audio_offload_info_t *offloadInfo = NULL) = 0; virtual status_t startOutput(audio_io_handle_t output, audio_stream_type_t stream, audio_session_t session) = 0; virtual status_t stopOutput(audio_io_handle_t output, audio_stream_type_t stream, audio_session_t session) = 0; virtual void releaseOutput(audio_io_handle_t output, audio_stream_type_t stream, audio_session_t session) = 0; virtual status_t getInputForAttr(const audio_attributes_t *attr, audio_io_handle_t *input, audio_session_t session, uid_t uid, uint32_t samplingRate, audio_format_t format, audio_channel_mask_t channelMask, audio_input_flags_t flags, audio_port_handle_t selectedDeviceId = AUDIO_PORT_HANDLE_NONE) = 0; virtual status_t startInput(audio_io_handle_t input, audio_session_t session) = 0; virtual status_t stopInput(audio_io_handle_t input, audio_session_t session) = 0; virtual void releaseInput(audio_io_handle_t input, audio_session_t session) = 0; virtual status_t initStreamVolume(audio_stream_type_t stream, int indexMin, int indexMax) = 0; virtual status_t setStreamVolumeIndex(audio_stream_type_t stream, int index, audio_devices_t device) = 0; virtual status_t getStreamVolumeIndex(audio_stream_type_t stream, int *index, audio_devices_t device) = 0; virtual uint32_t getStrategyForStream(audio_stream_type_t stream) = 0; virtual audio_devices_t getDevicesForStream(audio_stream_type_t stream) = 0; virtual audio_io_handle_t getOutputForEffect(const effect_descriptor_t *desc) = 0; virtual status_t registerEffect(const effect_descriptor_t *desc, audio_io_handle_t io, uint32_t strategy, int session, int id) = 0; virtual status_t unregisterEffect(int id) = 0; virtual status_t setEffectEnabled(int id, bool enabled) = 0; virtual bool isStreamActive(audio_stream_type_t stream, uint32_t inPastMs = 0) const = 0; virtual bool isStreamActiveRemotely(audio_stream_type_t stream, uint32_t inPastMs = 0) const = 0; virtual bool isSourceActive(audio_source_t source) const = 0; virtual status_t queryDefaultPreProcessing(int audioSession, effect_descriptor_t *descriptors, uint32_t *count) = 0; // Check if offload is possible for given format, stream type, sample rate, // bit rate, duration, video and streaming or offload property is enabled virtual bool isOffloadSupported(const audio_offload_info_t& info) = 0; /* List available audio ports and their attributes */ virtual status_t listAudioPorts(audio_port_role_t role, audio_port_type_t type, unsigned int *num_ports, struct audio_port *ports, unsigned int *generation) = 0; /* Get attributes for a given audio port */ virtual status_t getAudioPort(struct audio_port *port) = 0; /* Create an audio patch between several source and sink ports */ virtual status_t createAudioPatch(const struct audio_patch *patch, audio_patch_handle_t *handle) = 0; /* Release an audio patch */ virtual status_t releaseAudioPatch(audio_patch_handle_t handle) = 0; /* List existing audio patches */ virtual status_t listAudioPatches(unsigned int *num_patches, struct audio_patch *patches, unsigned int *generation) = 0; /* Set audio port configuration */ virtual status_t setAudioPortConfig(const struct audio_port_config *config) = 0; virtual void registerClient(const sp& client) = 0; virtual void setAudioPortCallbacksEnabled(bool enabled) = 0; virtual status_t acquireSoundTriggerSession(audio_session_t *session, audio_io_handle_t *ioHandle, audio_devices_t *device) = 0; virtual status_t releaseSoundTriggerSession(audio_session_t session) = 0; virtual audio_mode_t getPhoneState() = 0; virtual status_t registerPolicyMixes(Vector mixes, bool registration) = 0; virtual status_t startAudioSource(const struct audio_port_config *source, const audio_attributes_t *attributes, audio_io_handle_t *handle) = 0; virtual status_t stopAudioSource(audio_io_handle_t handle) = 0; virtual status_t listAudioSessions(audio_stream_type_t streams, Vector< sp> &sessions) = 0; }; // ---------------------------------------------------------------------------- class BnAudioPolicyService : public BnInterface { public: virtual status_t onTransact( uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags = 0); }; // ---------------------------------------------------------------------------- }; // namespace android #endif // ANDROID_IAUDIOPOLICYSERVICE_H