1 /* 2 * Copyright (c) 2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef I_POLICY_PROVIDER_H 17 #define I_POLICY_PROVIDER_H 18 19 #include <memory> 20 #include <vector> 21 22 #include "audio_info.h" 23 #include "audio_shared_memory.h" 24 25 namespace OHOS { 26 namespace AudioStandard { 27 namespace { 28 static const std::vector<std::pair<AudioStreamType, DeviceType>> g_volumeIndexVector = { 29 {STREAM_MUSIC, DEVICE_TYPE_SPEAKER}, 30 {STREAM_MUSIC, DEVICE_TYPE_WIRED_HEADSET}, 31 {STREAM_MUSIC, DEVICE_TYPE_USB_HEADSET}, 32 {STREAM_MUSIC, DEVICE_TYPE_WIRED_HEADPHONES}, 33 {STREAM_RING, DEVICE_TYPE_SPEAKER}, 34 {STREAM_RING, DEVICE_TYPE_WIRED_HEADSET}, 35 {STREAM_RING, DEVICE_TYPE_USB_HEADSET}, 36 {STREAM_RING, DEVICE_TYPE_WIRED_HEADPHONES}, 37 {STREAM_VOICE_ASSISTANT, DEVICE_TYPE_SPEAKER}, 38 {STREAM_VOICE_ASSISTANT, DEVICE_TYPE_WIRED_HEADSET}, 39 {STREAM_VOICE_ASSISTANT, DEVICE_TYPE_USB_HEADSET}, 40 {STREAM_VOICE_ASSISTANT, DEVICE_TYPE_WIRED_HEADPHONES}, 41 {STREAM_SYSTEM, DEVICE_TYPE_SPEAKER}, 42 {STREAM_SYSTEM, DEVICE_TYPE_WIRED_HEADSET}, 43 {STREAM_SYSTEM, DEVICE_TYPE_USB_HEADSET}, 44 {STREAM_SYSTEM, DEVICE_TYPE_WIRED_HEADPHONES}}; 45 } 46 class IPolicyProvider { 47 public: 48 virtual int32_t GetProcessDeviceInfo(const AudioProcessConfig &config, DeviceInfo &deviceInfo) = 0; 49 50 virtual int32_t InitSharedVolume(std::shared_ptr<AudioSharedMemory> &buffer) = 0; 51 52 // virtual int32_t GetVolume(AudioStreamType streamType, DeviceType deviceType, Volume &vol) = 0; 53 54 // virtual int32_t SetVolume(AudioStreamType streamType, DeviceType deviceType, Volume vol) = 0; 55 56 virtual ~IPolicyProvider() = default; 57 GetVolumeIndex(AudioStreamType streamType,DeviceType deviceType,size_t & index)58 static bool GetVolumeIndex(AudioStreamType streamType, DeviceType deviceType, size_t &index) 59 { 60 bool isFind = false; 61 for (size_t tempIndex = 0; tempIndex < g_volumeIndexVector.size(); tempIndex++) { 62 if (g_volumeIndexVector[tempIndex].first == streamType && 63 g_volumeIndexVector[tempIndex].second == deviceType) { 64 isFind = true; 65 index = tempIndex; 66 break; 67 } 68 } 69 return isFind; 70 }; GetVolumeVectorSize()71 static size_t GetVolumeVectorSize() 72 { 73 return g_volumeIndexVector.size(); 74 }; 75 }; 76 } // namespace AudioStandard 77 } // namespace OHOS 78 #endif // I_POLICY_PROVIDER_H 79