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 #include "audio_stream_tracker.h"
17 #include "audio_policy_manager.h"
18
19 namespace OHOS {
20 namespace AudioStandard {
AudioStreamTracker(AudioMode mode,int32_t clientUid)21 AudioStreamTracker::AudioStreamTracker(AudioMode mode, int32_t clientUid)
22 {
23 AUDIO_DEBUG_LOG("AudioStreamtracker:CTOR");
24 eMode_ = mode;
25 clientUid_ = clientUid;
26 state_ = INVALID;
27 }
28
~AudioStreamTracker()29 AudioStreamTracker::~AudioStreamTracker() {}
30
RegisterTracker(const int32_t sessionId,const State state,const AudioRendererInfo & rendererInfo,const AudioCapturerInfo & capturerInfo,const std::shared_ptr<AudioClientTracker> & clientTrackerObj)31 void AudioStreamTracker::RegisterTracker(const int32_t sessionId, const State state,
32 const AudioRendererInfo &rendererInfo, const AudioCapturerInfo &capturerInfo,
33 const std::shared_ptr<AudioClientTracker> &clientTrackerObj)
34 {
35 AUDIO_DEBUG_LOG("AudioStreamtracker:Register tracker entered");
36 AudioStreamChangeInfo streamChangeInfo;
37
38 state_ = state;
39
40 if (eMode_ == AUDIO_MODE_PLAYBACK) {
41 streamChangeInfo.audioRendererChangeInfo.clientUID = clientUid_;
42 streamChangeInfo.audioRendererChangeInfo.sessionId = sessionId;
43 streamChangeInfo.audioRendererChangeInfo.rendererState = static_cast<RendererState>(state);
44 streamChangeInfo.audioRendererChangeInfo.rendererInfo = rendererInfo;
45 } else {
46 streamChangeInfo.audioCapturerChangeInfo.clientUID = clientUid_;
47 streamChangeInfo.audioCapturerChangeInfo.sessionId = sessionId;
48 streamChangeInfo.audioCapturerChangeInfo.capturerState = static_cast<CapturerState>(state);
49 streamChangeInfo.audioCapturerChangeInfo.capturerInfo = capturerInfo;
50 }
51 AudioPolicyManager::GetInstance().RegisterTracker(eMode_, streamChangeInfo, clientTrackerObj);
52 }
53
UpdateTracker(const int32_t sessionId,const State state,const AudioRendererInfo & rendererInfo,const AudioCapturerInfo & capturerInfo)54 void AudioStreamTracker::UpdateTracker(const int32_t sessionId, const State state,
55 const AudioRendererInfo &rendererInfo, const AudioCapturerInfo &capturerInfo)
56 {
57 AUDIO_DEBUG_LOG("AudioStreamtracker:Update tracker entered");
58 AudioStreamChangeInfo streamChangeInfo;
59
60 if (state_ == INVALID || state_ == state) {
61 AUDIO_DEBUG_LOG("AudioStreamtracker:Update tracker is called in wrong state/same state");
62 return;
63 }
64
65 state_ = state;
66 if (eMode_ == AUDIO_MODE_PLAYBACK) {
67 streamChangeInfo.audioRendererChangeInfo.clientUID = clientUid_;
68 streamChangeInfo.audioRendererChangeInfo.sessionId = sessionId;
69 streamChangeInfo.audioRendererChangeInfo.rendererState = static_cast<RendererState>(state);
70 streamChangeInfo.audioRendererChangeInfo.rendererInfo = rendererInfo;
71 } else {
72 streamChangeInfo.audioCapturerChangeInfo.clientUID = clientUid_;
73 streamChangeInfo.audioCapturerChangeInfo.sessionId = sessionId;
74 streamChangeInfo.audioCapturerChangeInfo.capturerState = static_cast<CapturerState>(state);
75 streamChangeInfo.audioCapturerChangeInfo.capturerInfo = capturerInfo;
76 }
77 AudioPolicyManager::GetInstance().UpdateTracker(eMode_, streamChangeInfo);
78 }
79 } // namespace AudioStandard
80 } // namespace OHOS
81