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 #ifndef LOG_TAG
16 #define LOG_TAG "NapiCapturerPeriodPositionCallback"
17 #endif
18
19 #include "napi_capturer_period_position_callback.h"
20
21 #include "audio_errors.h"
22 #include "audio_capturer_log.h"
23 #include "napi_param_utils.h"
24 #include "napi_audio_capturer_callbacks.h"
25
26 namespace OHOS {
27 namespace AudioStandard {
NapiCapturerPeriodPositionCallback(napi_env env)28 NapiCapturerPeriodPositionCallback::NapiCapturerPeriodPositionCallback(napi_env env)
29 : env_(env)
30 {
31 AUDIO_DEBUG_LOG("NapiCapturerPeriodPositionCallback: instance create");
32 }
33
~NapiCapturerPeriodPositionCallback()34 NapiCapturerPeriodPositionCallback::~NapiCapturerPeriodPositionCallback()
35 {
36 AUDIO_DEBUG_LOG("NapiCapturerPeriodPositionCallback: instance destroy");
37 }
38
SaveCallbackReference(const std::string & callbackName,napi_value args)39 void NapiCapturerPeriodPositionCallback::SaveCallbackReference(const std::string &callbackName, napi_value args)
40 {
41 std::lock_guard<std::mutex> lock(mutex_);
42 napi_ref callback = nullptr;
43 const int32_t refCount = 1;
44 napi_status status = napi_create_reference(env_, args, refCount, &callback);
45 CHECK_AND_RETURN_LOG(status == napi_ok && callback != nullptr,
46 "NapiCapturerPeriodPositionCallback: creating reference for callback fail");
47
48 std::shared_ptr<AutoRef> cb = std::make_shared<AutoRef>(env_, callback);
49 CHECK_AND_RETURN_LOG(cb != nullptr, "No memory");
50 if (callbackName == PERIOD_REACH_CALLBACK_NAME) {
51 capturerPeriodPositionCallback_ = cb;
52 } else {
53 AUDIO_ERR_LOG("NapiCapturerPeriodPositionCallback: Unknown callback type: %{public}s", callbackName.c_str());
54 }
55 }
56
OnPeriodReached(const int64_t & frameNumber)57 void NapiCapturerPeriodPositionCallback::OnPeriodReached(const int64_t &frameNumber)
58 {
59 std::lock_guard<std::mutex> lock(mutex_);
60 AUDIO_DEBUG_LOG("NapiCapturerPeriodPositionCallback: period reached");
61 CHECK_AND_RETURN_LOG(capturerPeriodPositionCallback_ != nullptr, "Cannot find the reference of position callback");
62
63 std::unique_ptr<CapturerPeriodPositionJsCallback> cb = std::make_unique<CapturerPeriodPositionJsCallback>();
64 CHECK_AND_RETURN_LOG(cb != nullptr, "No memory");
65 cb->callback = capturerPeriodPositionCallback_;
66 cb->callbackName = PERIOD_REACH_CALLBACK_NAME;
67 cb->position = frameNumber;
68 return OnJsCapturerPeriodPositionCallback(cb);
69 }
70
OnJsCapturerPeriodPositionCallback(std::unique_ptr<CapturerPeriodPositionJsCallback> & jsCb)71 void NapiCapturerPeriodPositionCallback::OnJsCapturerPeriodPositionCallback(
72 std::unique_ptr<CapturerPeriodPositionJsCallback> &jsCb)
73 {
74 uv_loop_s *loop = nullptr;
75 napi_get_uv_event_loop(env_, &loop);
76 CHECK_AND_RETURN_LOG(loop != nullptr, "loop nullptr, No memory");
77
78 uv_work_t *work = new(std::nothrow) uv_work_t;
79 CHECK_AND_RETURN_LOG(work != nullptr, "work nullptr, No memory");
80 if (jsCb.get() == nullptr) {
81 AUDIO_ERR_LOG("NapiCapturerPeriodPositionCallback: OnJsCapturerPeriodPositionCallback: jsCb.get() is null");
82 delete work;
83 return;
84 }
85
86 work->data = reinterpret_cast<void *>(jsCb.get());
87
88 int ret = uv_queue_work_with_qos(loop, work, [] (uv_work_t *work) {},
89 WorkCapturerPeriodPositionCallbackDone, uv_qos_default);
90 if (ret != 0) {
91 AUDIO_ERR_LOG("Failed to execute libuv work queue");
92 delete work;
93 } else {
94 jsCb.release();
95 }
96 }
97
WorkCapturerPeriodPositionCallbackDone(uv_work_t * work,int status)98 void NapiCapturerPeriodPositionCallback::WorkCapturerPeriodPositionCallbackDone(uv_work_t *work, int status)
99 {
100 // Js Thread
101 std::shared_ptr<CapturerPeriodPositionJsCallback> context(
102 static_cast<CapturerPeriodPositionJsCallback*>(work->data),
103 [work](CapturerPeriodPositionJsCallback* ptr) {
104 delete ptr;
105 delete work;
106 });
107 CHECK_AND_RETURN_LOG(work != nullptr, "work is nullptr");
108 CapturerPeriodPositionJsCallback *event = reinterpret_cast<CapturerPeriodPositionJsCallback *>(work->data);
109 CHECK_AND_RETURN_LOG(event != nullptr, "event is nullptr");
110 std::string request = event->callbackName;
111
112 CHECK_AND_RETURN_LOG(event->callback != nullptr, "event is nullptr");
113 napi_env env = event->callback->env_;
114 napi_ref callback = event->callback->cb_;
115
116 napi_handle_scope scope = nullptr;
117 napi_open_handle_scope(env, &scope);
118 CHECK_AND_RETURN_LOG(scope != nullptr, "scope is nullptr");
119 AUDIO_DEBUG_LOG("NapiCapturerPeriodPositionCallback: JsCallBack %{public}s, uv_queue_work_with_qos start",
120 request.c_str());
121 do {
122 CHECK_AND_BREAK_LOG(status != UV_ECANCELED, "%{public}s canceled", request.c_str());
123
124 napi_value jsCallback = nullptr;
125 napi_status nstatus = napi_get_reference_value(env, callback, &jsCallback);
126 CHECK_AND_BREAK_LOG(nstatus == napi_ok && jsCallback != nullptr, "%{public}s get reference value fail",
127 request.c_str());
128
129 // Call back function
130 napi_value args[ARGS_ONE] = { nullptr };
131 napi_create_int64(env, event->position, &args[PARAM0]);
132 CHECK_AND_BREAK_LOG(nstatus == napi_ok && args[PARAM0] != nullptr,
133 "%{public}s fail to create position callback", request.c_str());
134
135 const size_t argCount = ARGS_ONE;
136 napi_value result = nullptr;
137 nstatus = napi_call_function(env, nullptr, jsCallback, argCount, args, &result);
138 CHECK_AND_BREAK_LOG(nstatus == napi_ok, "%{public}s fail to call position callback", request.c_str());
139 } while (0);
140 napi_close_handle_scope(env, scope);
141 }
142 } // namespace AudioStandard
143 } // namespace OHOS
144