1/*
2 * Copyright (C) 2015 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#pragma once
18
19#include "AudioPolicyConfig.h"
20#include "DeviceDescriptor.h"
21#include "HwModule.h"
22#include "audio_policy_conf.h"
23#include <system/audio.h>
24#include <utils/Log.h>
25#include <utils/Vector.h>
26#include <utils/SortedVector.h>
27#include <cutils/config_utils.h>
28#include <utils/RefBase.h>
29#include <system/audio_policy.h>
30
31namespace android {
32
33// ----------------------------------------------------------------------------
34// Definitions for audio_policy.conf file parsing
35// ----------------------------------------------------------------------------
36
37class ConfigParsingUtils
38{
39public:
40    static status_t loadConfig(const char *path, AudioPolicyConfig &config);
41
42private:
43    static void loadAudioPortGain(cnode *root, AudioPort &audioPort, int index);
44    static void loadAudioPortGains(cnode *root, AudioPort &audioPort);
45    static void loadDeviceDescriptorGains(cnode *root, sp<DeviceDescriptor> &deviceDesc);
46    static status_t loadHwModuleDevice(cnode *root, DeviceVector &devices);
47    static status_t loadHwModuleProfile(cnode *root, sp<HwModule> &module, audio_port_role_t role);
48    static void loadDevicesFromTag(const char *tag, DeviceVector &devices,
49                            const DeviceVector &declaredDevices);
50    static void loadHwModules(cnode *root, HwModuleCollection &hwModules,
51                              AudioPolicyConfig &config);
52    static void loadGlobalConfig(cnode *root, AudioPolicyConfig &config,
53                                 const sp<HwModule> &primaryModule);
54    static void loadModuleGlobalConfig(cnode *root, const sp<HwModule> &module,
55                                       AudioPolicyConfig &config);
56    static status_t loadHwModule(cnode *root, sp<HwModule> &module, AudioPolicyConfig &config);
57};
58
59}; // namespace android
60