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