1 /*
2  * Copyright (c) 2021-2021 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 #ifndef HISTREAMER_PLUGIN_INTF_MUXER_PLUGIN_H
17 #define HISTREAMER_PLUGIN_INTF_MUXER_PLUGIN_H
18 
19 #include "plugin/common/plugin_caps.h"
20 #include "plugin/interface/plugin_base.h"
21 #include "plugin/interface/plugin_definition.h"
22 
23 namespace OHOS {
24 namespace Media {
25 namespace Plugin {
26 struct DataSink {
27     virtual ~DataSink() = default;
28     virtual Status WriteAt(int64_t offset, const std::shared_ptr<Buffer>& buffer) = 0;
29 };
30 
31 struct MuxerPlugin : public PluginBase {
MuxerPluginMuxerPlugin32     explicit MuxerPlugin(std::string&& name) : PluginBase(std::move(name)) {}
33     virtual Status SetTrackParameter(uint32_t trackId, Plugin::Tag tag, const Plugin::ValueType& value) = 0;
34     virtual Status GetTrackParameter(uint32_t trackId, Plugin::Tag tag, Plugin::ValueType& value) = 0;
35     virtual Status AddTrack(uint32_t& trackId) = 0;
36     virtual Status SetDataSink(const std::shared_ptr<DataSink>& dataSink) = 0;
37     virtual Status WriteHeader() = 0;
38     virtual Status WriteFrame(const std::shared_ptr<Buffer>& buffer) = 0;
39     virtual Status WriteTrailer() = 0;
40 };
41 
42 /// Muxer plugin api major number.
43 #define MUXER_API_VERSION_MAJOR (1)
44 
45 /// Muxer plugin api minor number
46 #define MUXER_API_VERSION_MINOR (0)
47 
48 /// Muxer plugin version
49 #define MUXER_API_VERSION MAKE_VERSION(MUXER_API_VERSION_MAJOR, MUXER_API_VERSION_MINOR)
50 
51 
52 struct MuxerPluginDef : public PluginDefBase {
53     CapabilitySet inCaps;                ///< Plug-in input capability, For details, @see Capability.
54     CapabilitySet outCaps;                    ///< Plug-in output capability, For details, @see Capability.
55     PluginCreatorFunc<MuxerPlugin> creator {nullptr}; ///< Muxer plugin create function.
MuxerPluginDefMuxerPluginDef56     MuxerPluginDef()
57     {
58         apiVersion = MUXER_API_VERSION; ///< Muxer plugin version.
59         pluginType = PluginType::MUXER; ///< Plugin type, MUST be MUXER.
60     }
61 };
62 } // Plugin
63 } // Media
64 } // OHOS
65 #endif // HISTREAMER_PLUGIN_INTF_MUXER_PLUGIN_H
66