1 /*
2 * Copyright (c) 2021 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 <mutex>
17 #include <sys/types.h>
18
19 #include "plugin_module_api.h"
20 #include "stream_plugin.h"
21
22 namespace {
23 constexpr uint32_t MAX_BUFFER_SIZE = 4 * 1024 * 1024;
24 std::unique_ptr<StreamPlugin> g_plugin = nullptr;
25 std::mutex g_taskMutex;
26 } // namespace
27
StreamPluginSessionStart(const uint8_t * configData,uint32_t configSize)28 static int StreamPluginSessionStart(const uint8_t* configData, uint32_t configSize)
29 {
30 std::lock_guard<std::mutex> guard(g_taskMutex);
31 return g_plugin->Start(configData, configSize);
32 }
33
StreamPluginSessionStop()34 static int StreamPluginSessionStop()
35 {
36 std::lock_guard<std::mutex> guard(g_taskMutex);
37 g_plugin->Stop();
38 g_plugin = nullptr;
39 return 0;
40 }
41
StreamRegisterWriterStruct(WriterStruct * writer)42 static int StreamRegisterWriterStruct(WriterStruct* writer)
43 {
44 std::lock_guard<std::mutex> guard(g_taskMutex);
45 g_plugin = std::make_unique<StreamPlugin>();
46 g_plugin->SetWriter(writer);
47 return 0;
48 }
49
50 static PluginModuleCallbacks g_callbacks = {
51 .onPluginSessionStart = StreamPluginSessionStart,
52 .onPluginReportResult = 0,
53 .onPluginSessionStop = StreamPluginSessionStop,
54 .onRegisterWriterStruct = (RegisterWriterStructCallback)StreamRegisterWriterStruct,
55 };
56
57 EXPORT_API PluginModuleStruct g_pluginModule = {
58 .callbacks = &g_callbacks,
59 .name = "stream-plugin",
60 .version = "1.01",
61 .resultBufferSizeHint = MAX_BUFFER_SIZE,
62 };