| /* |
| * 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 <stdint.h> |
| #include <sys/types.h> |
| #include <unistd.h> |
| |
| #include <utils/RefBase.h> |
| #include <utils/Errors.h> |
| #include <binder/IInterface.h> |
| #include <media/AudioSystem.h> |
| #include <media/AudioPolicy.h> |
| #include <media/IAudioPolicyServiceClient.h> |
| |
| #include <system/audio_policy.h> |
| |
| 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<IAudioPolicyServiceClient>& 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<AudioMix> 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; |
| }; |
| |
| |
| // ---------------------------------------------------------------------------- |
| |
| class BnAudioPolicyService : public BnInterface<IAudioPolicyService> |
| { |
| public: |
| virtual status_t onTransact( uint32_t code, |
| const Parcel& data, |
| Parcel* reply, |
| uint32_t flags = 0); |
| }; |
| |
| // ---------------------------------------------------------------------------- |
| |
| }; // namespace android |
| |
| #endif // ANDROID_IAUDIOPOLICYSERVICE_H |
