M7350/base/include/media/IAudioPolicyService.h
2024-09-09 08:52:07 +00:00

110 lines
5.2 KiB
C++

/*
* 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>
namespace android {
// ----------------------------------------------------------------------------
class IAudioPolicyService : public IInterface
{
public:
DECLARE_META_INTERFACE(AudioPolicyService);
//
// IAudioPolicyService interface (see AudioPolicyInterface for method descriptions)
//
virtual status_t setDeviceConnectionState(AudioSystem::audio_devices device,
AudioSystem::device_connection_state state,
const char *device_address) = 0;
virtual AudioSystem::device_connection_state getDeviceConnectionState(AudioSystem::audio_devices device,
const char *device_address) = 0;
virtual status_t setPhoneState(int state) = 0;
virtual status_t setRingerMode(uint32_t mode, uint32_t mask) = 0;
virtual status_t setForceUse(AudioSystem::force_use usage, AudioSystem::forced_config config) = 0;
virtual AudioSystem::forced_config getForceUse(AudioSystem::force_use usage) = 0;
virtual audio_io_handle_t getOutput(AudioSystem::stream_type stream,
uint32_t samplingRate = 0,
uint32_t format = AudioSystem::FORMAT_DEFAULT,
uint32_t channels = 0,
AudioSystem::output_flags flags = AudioSystem::OUTPUT_FLAG_INDIRECT) = 0;
virtual audio_io_handle_t getSession(AudioSystem::stream_type stream,
uint32_t format = AudioSystem::FORMAT_DEFAULT,
AudioSystem::output_flags flags = AudioSystem::OUTPUT_FLAG_DIRECT,
int32_t sessionId=-1) { return 0; }
virtual status_t pauseSession(audio_io_handle_t output, AudioSystem::stream_type stream) { return 0; }
virtual status_t resumeSession(audio_io_handle_t output, AudioSystem::stream_type stream) { return 0; }
virtual status_t closeSession(audio_io_handle_t output) = 0;
virtual status_t startOutput(audio_io_handle_t output,
AudioSystem::stream_type stream,
int session = 0) = 0;
virtual status_t stopOutput(audio_io_handle_t output,
AudioSystem::stream_type stream,
int session = 0) = 0;
virtual void releaseOutput(audio_io_handle_t output) = 0;
virtual audio_io_handle_t getInput(int inputSource,
uint32_t samplingRate = 0,
uint32_t format = AudioSystem::FORMAT_DEFAULT,
uint32_t channels = 0,
AudioSystem::audio_in_acoustics acoustics = (AudioSystem::audio_in_acoustics)0) = 0;
virtual status_t startInput(audio_io_handle_t input) = 0;
virtual status_t stopInput(audio_io_handle_t input) = 0;
virtual void releaseInput(audio_io_handle_t input) = 0;
virtual status_t initStreamVolume(AudioSystem::stream_type stream,
int indexMin,
int indexMax) = 0;
virtual status_t setStreamVolumeIndex(AudioSystem::stream_type stream, int index) = 0;
virtual status_t getStreamVolumeIndex(AudioSystem::stream_type stream, int *index) = 0;
virtual uint32_t getStrategyForStream(AudioSystem::stream_type stream) = 0;
virtual audio_io_handle_t getOutputForEffect(effect_descriptor_t *desc) = 0;
virtual status_t registerEffect(effect_descriptor_t *desc,
audio_io_handle_t output,
uint32_t strategy,
int session,
int id) = 0;
virtual status_t unregisterEffect(int id) = 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