1/*
2 * Copyright (C) 2011 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_AUDIOPOLICYCLIENTLEGACY_H
18#define ANDROID_AUDIOPOLICYCLIENTLEGACY_H
19
20#include <system/audio.h>
21#include <system/audio_policy.h>
22#include <hardware/audio_policy.h>
23
24#include <hardware_legacy/AudioSystemLegacy.h>
25#include <hardware_legacy/AudioPolicyInterface.h>
26
27/************************************/
28/* FOR BACKWARDS COMPATIBILITY ONLY */
29/************************************/
30namespace android_audio_legacy {
31
32class AudioPolicyCompatClient : public AudioPolicyClientInterface {
33public:
34    AudioPolicyCompatClient(struct audio_policy_service_ops *serviceOps,
35                            void *service) :
36            mServiceOps(serviceOps) , mService(service) {}
37
38    virtual audio_module_handle_t loadHwModule(const char *moduleName);
39
40    virtual audio_io_handle_t openOutput(audio_module_handle_t module,
41                                         audio_devices_t *pDevices,
42                                         uint32_t *pSamplingRate,
43                                         audio_format_t *pFormat,
44                                         audio_channel_mask_t *pChannelMask,
45                                         uint32_t *pLatencyMs,
46                                         audio_output_flags_t flags,
47                                         const audio_offload_info_t *offloadInfo);
48    virtual audio_io_handle_t openDuplicateOutput(audio_io_handle_t output1,
49                                                  audio_io_handle_t output2);
50    virtual status_t closeOutput(audio_io_handle_t output);
51    virtual status_t suspendOutput(audio_io_handle_t output);
52    virtual status_t restoreOutput(audio_io_handle_t output);
53    virtual audio_io_handle_t openInput(audio_module_handle_t module,
54                                        audio_devices_t *pDevices,
55                                        uint32_t *pSamplingRate,
56                                        audio_format_t *pFormat,
57                                        audio_channel_mask_t *pChannelMask);
58    virtual status_t closeInput(audio_io_handle_t input);
59    virtual status_t setStreamOutput(AudioSystem::stream_type stream, audio_io_handle_t output);
60    virtual status_t moveEffects(int session,
61                                 audio_io_handle_t srcOutput,
62                                 audio_io_handle_t dstOutput);
63
64    virtual String8 getParameters(audio_io_handle_t ioHandle, const String8& keys);
65    virtual void setParameters(audio_io_handle_t ioHandle,
66                               const String8& keyValuePairs,
67                               int delayMs = 0);
68    virtual status_t setStreamVolume(AudioSystem::stream_type stream,
69                                     float volume,
70                                     audio_io_handle_t output,
71                                     int delayMs = 0);
72    virtual status_t startTone(ToneGenerator::tone_type tone, AudioSystem::stream_type stream);
73    virtual status_t stopTone();
74    virtual status_t setVoiceVolume(float volume, int delayMs = 0);
75
76private:
77    struct audio_policy_service_ops* mServiceOps;
78    void*                            mService;
79};
80
81}; // namespace android_audio_legacy
82
83#endif // ANDROID_AUDIOPOLICYCLIENTLEGACY_H
84