IAudioPolicyService.h revision c2f1f07084818942352c6bbfb36af9b6b330eb4e 
1/*
2 * Copyright (C) 2009 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef ANDROID_IAUDIOPOLICYSERVICE_H
18#define ANDROID_IAUDIOPOLICYSERVICE_H
19
20#include <stdint.h>
21#include <sys/types.h>
22#include <unistd.h>
23
24#include <utils/RefBase.h>
25#include <utils/Errors.h>
26#include <binder/IInterface.h>
27#include <media/AudioSystem.h>
28
29
30namespace android {
31
32// ----------------------------------------------------------------------------
33
34class IAudioPolicyService : public IInterface
35{
36public:
37    DECLARE_META_INTERFACE(AudioPolicyService);
38
39    //
40    // IAudioPolicyService interface (see AudioPolicyInterface for method descriptions)
41    //
42    virtual status_t setDeviceConnectionState(AudioSystem::audio_devices device,
43                                              AudioSystem::device_connection_state state,
44                                              const char *device_address) = 0;
45    virtual AudioSystem::device_connection_state getDeviceConnectionState(AudioSystem::audio_devices device,
46                                                                          const char *device_address) = 0;
47    virtual status_t setPhoneState(int state) = 0;
48    virtual status_t setRingerMode(uint32_t mode, uint32_t mask) = 0;
49    virtual status_t setForceUse(AudioSystem::force_use usage, AudioSystem::forced_config config) = 0;
50    virtual AudioSystem::forced_config getForceUse(AudioSystem::force_use usage) = 0;
51    virtual audio_io_handle_t getOutput(AudioSystem::stream_type stream,
52                                        uint32_t samplingRate = 0,
53                                        uint32_t format = AudioSystem::FORMAT_DEFAULT,
54                                        uint32_t channels = 0,
55                                        AudioSystem::output_flags flags = AudioSystem::OUTPUT_FLAG_INDIRECT) = 0;
56    virtual status_t startOutput(audio_io_handle_t output, AudioSystem::stream_type stream) = 0;
57    virtual status_t stopOutput(audio_io_handle_t output, AudioSystem::stream_type stream) = 0;
58    virtual void releaseOutput(audio_io_handle_t output) = 0;
59    virtual audio_io_handle_t getInput(int inputSource,
60                                    uint32_t samplingRate = 0,
61                                    uint32_t format = AudioSystem::FORMAT_DEFAULT,
62                                    uint32_t channels = 0,
63                                    AudioSystem::audio_in_acoustics acoustics = (AudioSystem::audio_in_acoustics)0) = 0;
64    virtual status_t startInput(audio_io_handle_t input) = 0;
65    virtual status_t stopInput(audio_io_handle_t input) = 0;
66    virtual void releaseInput(audio_io_handle_t input) = 0;
67    virtual status_t initStreamVolume(AudioSystem::stream_type stream,
68                                      int indexMin,
69                                      int indexMax) = 0;
70    virtual status_t setStreamVolumeIndex(AudioSystem::stream_type stream, int index) = 0;
71    virtual status_t getStreamVolumeIndex(AudioSystem::stream_type stream, int *index) = 0;
72};
73
74
75// ----------------------------------------------------------------------------
76
77class BnAudioPolicyService : public BnInterface<IAudioPolicyService>
78{
79public:
80    virtual status_t    onTransact( uint32_t code,
81                                    const Parcel& data,
82                                    Parcel* reply,
83                                    uint32_t flags = 0);
84};
85
86// ----------------------------------------------------------------------------
87
88}; // namespace android
89
90#endif // ANDROID_IAUDIOPOLICYSERVICE_H
91