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 #include "audio_adapter.h"
16 #include "audio_system_manager.h"
17 #include "avsession_log.h"
18 #include "avsession_errors.h"
19
20 namespace OHOS::AVSession {
21 std::shared_ptr<AudioAdapter> AudioAdapter::instance_;
22 std::once_flag AudioAdapter::onceFlag_;
23
GetInstance()24 AudioAdapter& AudioAdapter::GetInstance()
25 {
26 std::call_once(onceFlag_, [] {
27 instance_ = std::make_shared<AudioAdapter>();
28 });
29 return *instance_;
30 }
31
AudioAdapter()32 AudioAdapter::AudioAdapter()
33 {
34 SLOGD("construct");
35 }
36
~AudioAdapter()37 AudioAdapter::~AudioAdapter()
38 {
39 SLOGD("destroy");
40 }
41
Init()42 void AudioAdapter::Init()
43 {
44 SLOGI("register audio renderer event listener");
45 auto ret = AudioStandard::AudioStreamManager::GetInstance()->RegisterAudioRendererEventListener(getpid(),
46 shared_from_this());
47 if (ret != 0) {
48 SLOGE("register audio renderer event listener failed");
49 }
50 }
51
AddStreamRendererStateListener(const StateListener & listener)52 void AudioAdapter::AddStreamRendererStateListener(const StateListener& listener)
53 {
54 listeners_.push_back(listener);
55 }
56
PauseAudioStream(int32_t uid)57 int32_t AudioAdapter::PauseAudioStream(int32_t uid)
58 {
59 auto ret = AudioStandard::AudioSystemManager::GetInstance()->UpdateStreamState(
60 uid, AudioStandard::StreamSetState::STREAM_PAUSE, AudioStandard::AudioStreamType::STREAM_MUSIC);
61 if (ret != 0) {
62 SLOGE("pause uid=%{public}d failed", uid);
63 return AVSESSION_ERROR;
64 }
65 return AVSESSION_SUCCESS;
66 }
67
OnRendererStateChange(const AudioRendererChangeInfos & infos)68 void AudioAdapter::OnRendererStateChange(const AudioRendererChangeInfos& infos)
69 {
70 for (const auto& listener : listeners_) {
71 if (listener) {
72 listener(infos);
73 }
74 }
75 }
76
GetRendererState(int32_t uid,AudioStandard::RendererState & rendererState)77 bool AudioAdapter::GetRendererState(int32_t uid, AudioStandard::RendererState& rendererState)
78 {
79 std::vector<std::unique_ptr<AudioStandard::AudioRendererChangeInfo>> audioRendererChangeInfo;
80 auto ret = AudioStandard::AudioStreamManager::GetInstance()->GetCurrentRendererChangeInfos(audioRendererChangeInfo);
81 if (ret != 0) {
82 SLOGE("get renderer state failed");
83 return false;
84 }
85 for (const auto& info : audioRendererChangeInfo) {
86 if (info->clientUID == uid and info->rendererState == AudioStandard::RENDERER_RUNNING) {
87 SLOGI("find uid=%{public}d renderer state is %{public}d", uid, rendererState);
88 return true;
89 }
90 }
91 SLOGE("find uid=%{public}d renderer state fail", uid);
92 return false;
93 }
94 }