1 /* 2 * Copyright (c) 2022 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 AUDIO_STREAM_TRACKER_H 17 #define AUDIO_STREAM_TRACKER_H 18 19 #include "audio_info.h" 20 #include "audio_manager_log.h" 21 #include "audio_stream_manager.h" 22 23 namespace OHOS { 24 namespace AudioStandard { 25 class AudioStreamTracker { 26 public: 27 AudioStreamTracker(AudioMode mode, int32_t clientUid); 28 virtual ~AudioStreamTracker(); 29 void RegisterTracker(const AudioRegisterTrackerInfo ®isterTrackerInfo, 30 const std::shared_ptr<AudioClientTracker> &clientTrackerObj); 31 void UpdateTracker(const int32_t sessionId, const State state, const int32_t clientPid, 32 const AudioRendererInfo &rendererInfo, const AudioCapturerInfo &capturerInfo); 33 void FetchOutputDeviceForTrack(const int32_t sessionId, const State state, const int32_t clientPid, 34 const AudioRendererInfo &rendererInfo, const AudioStreamDeviceChangeReasonExt reason); 35 void FetchInputDeviceForTrack(const int32_t sessionId, const State state, const int32_t clientPid, 36 const AudioCapturerInfo &capturerInfo); 37 38 private: 39 int32_t clientUid_ = -1; 40 AudioMode eMode_; // to determine renderer or capturer 41 State state_; 42 bool isOffloadAllowed = true; 43 AudioPipeType pipeType = PIPE_TYPE_NORMAL_OUT; 44 std::mutex trackStateLock_; 45 }; 46 } // namespace AudioStandard 47 } // namespace OHOS 48 #endif // AUDIO_STREAM_TRACKER_H 49