193 lines
9.4 KiB
C++
193 lines
9.4 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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#ifndef ANDROID_IAUDIOPOLICYSERVICE_H
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#define ANDROID_IAUDIOPOLICYSERVICE_H
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#include <stdint.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <utils/RefBase.h>
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#include <utils/Errors.h>
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#include <binder/IInterface.h>
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#include <media/AudioSystem.h>
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#include <media/AudioPolicy.h>
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#include <media/IAudioPolicyServiceClient.h>
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#include <system/audio_policy.h>
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namespace android {
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// ----------------------------------------------------------------------------
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class IAudioPolicyService : public IInterface
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{
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public:
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DECLARE_META_INTERFACE(AudioPolicyService);
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//
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// IAudioPolicyService interface (see AudioPolicyInterface for method descriptions)
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//
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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) = 0;
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virtual audio_policy_dev_state_t getDeviceConnectionState(audio_devices_t device,
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const char *device_address) = 0;
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virtual status_t setPhoneState(audio_mode_t state) = 0;
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virtual status_t setForceUse(audio_policy_force_use_t usage,
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audio_policy_forced_cfg_t config) = 0;
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virtual audio_policy_forced_cfg_t getForceUse(audio_policy_force_use_t usage) = 0;
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virtual audio_io_handle_t getOutput(audio_stream_type_t stream,
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uint32_t samplingRate = 0,
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audio_format_t format = AUDIO_FORMAT_DEFAULT,
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audio_channel_mask_t channelMask = 0,
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audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE,
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const audio_offload_info_t *offloadInfo = NULL) = 0;
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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 = 0,
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audio_format_t format = AUDIO_FORMAT_DEFAULT,
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audio_channel_mask_t channelMask = 0,
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audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE,
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audio_port_handle_t selectedDeviceId = AUDIO_PORT_HANDLE_NONE,
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const audio_offload_info_t *offloadInfo = NULL) = 0;
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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) = 0;
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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) = 0;
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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) = 0;
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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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pid_t pid,
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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 = AUDIO_PORT_HANDLE_NONE) = 0;
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virtual status_t startInput(audio_io_handle_t input,
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audio_session_t session) = 0;
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virtual status_t stopInput(audio_io_handle_t input,
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audio_session_t session) = 0;
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virtual void releaseInput(audio_io_handle_t input,
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audio_session_t session) = 0;
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virtual status_t initStreamVolume(audio_stream_type_t stream,
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int indexMin,
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int indexMax) = 0;
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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) = 0;
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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) = 0;
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virtual uint32_t getStrategyForStream(audio_stream_type_t stream) = 0;
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virtual audio_devices_t getDevicesForStream(audio_stream_type_t stream) = 0;
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virtual audio_io_handle_t getOutputForEffect(const effect_descriptor_t *desc) = 0;
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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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audio_session_t session,
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int id) = 0;
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virtual status_t unregisterEffect(int id) = 0;
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virtual status_t setEffectEnabled(int id, bool enabled) = 0;
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virtual bool isStreamActive(audio_stream_type_t stream, uint32_t inPastMs = 0) const = 0;
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virtual bool isStreamActiveRemotely(audio_stream_type_t stream, uint32_t inPastMs = 0)
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const = 0;
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virtual bool isSourceActive(audio_source_t source) const = 0;
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virtual status_t queryDefaultPreProcessing(audio_session_t audioSession,
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effect_descriptor_t *descriptors,
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uint32_t *count) = 0;
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// Check if offload is possible for given format, stream type, sample rate,
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// bit rate, duration, video and streaming or offload property is enabled
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virtual bool isOffloadSupported(const audio_offload_info_t& info) = 0;
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/* List available audio ports and their attributes */
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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) = 0;
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/* Get attributes for a given audio port */
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virtual status_t getAudioPort(struct audio_port *port) = 0;
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/* Create an audio patch between several source and sink ports */
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virtual status_t createAudioPatch(const struct audio_patch *patch,
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audio_patch_handle_t *handle) = 0;
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/* Release an audio patch */
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virtual status_t releaseAudioPatch(audio_patch_handle_t handle) = 0;
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/* List existing audio patches */
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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) = 0;
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/* Set audio port configuration */
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virtual status_t setAudioPortConfig(const struct audio_port_config *config) = 0;
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virtual void registerClient(const sp<IAudioPolicyServiceClient>& client) = 0;
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virtual void setAudioPortCallbacksEnabled(bool enabled) = 0;
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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) = 0;
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virtual status_t releaseSoundTriggerSession(audio_session_t session) = 0;
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virtual audio_mode_t getPhoneState() = 0;
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virtual status_t registerPolicyMixes(Vector<AudioMix> mixes, bool registration) = 0;
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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) = 0;
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virtual status_t stopAudioSource(audio_io_handle_t handle) = 0;
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virtual status_t setMasterMono(bool mono) = 0;
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virtual status_t getMasterMono(bool *mono) = 0;
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virtual status_t listAudioSessions(audio_stream_type_t streams,
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Vector< sp<AudioSessionInfo>> &sessions) = 0;
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};
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// ----------------------------------------------------------------------------
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class BnAudioPolicyService : public BnInterface<IAudioPolicyService>
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{
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public:
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virtual status_t onTransact( uint32_t code,
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const Parcel& data,
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Parcel* reply,
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uint32_t flags = 0);
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};
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// ----------------------------------------------------------------------------
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}; // namespace android
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#endif // ANDROID_IAUDIOPOLICYSERVICE_H
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