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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_OUTPUT_SINK_PLUGIN_H
17 #define HISTREAMER_PLUGIN_INTF_OUTPUT_SINK_PLUGIN_H
18 
19 #include "foundation/pre_defines.h"
20 #include "plugin/common/media_sink.h"
21 #include "plugin/common/plugin_caps.h"
22 #include "plugin/common/plugin_tags.h"
23 #include "plugin/interface/plugin_base.h"
24 #include "plugin/interface/plugin_definition.h"
25 
26 namespace OHOS {
27 namespace Media {
28 namespace Plugin {
29 struct OutputSinkPlugin : public Plugin::PluginBase {
OutputSinkPluginOutputSinkPlugin30     explicit OutputSinkPlugin(std::string name): PluginBase(std::move(name)) {}
GetAllocatorOutputSinkPlugin31     std::shared_ptr<Allocator> GetAllocator() override
32     {
33         return nullptr;
34     }
SetCallbackOutputSinkPlugin35     Status SetCallback(Callback* cb) override
36     {
37         UNUSED_VARIABLE(cb);
38         return Status::ERROR_UNIMPLEMENTED;
39     }
40     virtual Status SetSink(const MediaSink& sink) = 0;
41     virtual Seekable GetSeekable() = 0;
42     virtual Status SeekTo(uint64_t offset) = 0;
43     virtual Status Write(const std::shared_ptr<Buffer>& buffer) = 0;
44     virtual Status Flush() = 0;
45 };
46 
47 /// Output Sink plugin api major number.
48 #define OUTPUT_SINK_API_VERSION_MAJOR (1)
49 
50 /// Output Sink plugin api minor number
51 #define OUTPUT_SINK_API_VERSION_MINOR (0)
52 
53 /// Output Sink plugin version
54 #define OUTPUT_SINK_API_VERSION MAKE_VERSION(OUTPUT_SINK_API_VERSION_MAJOR, OUTPUT_SINK_API_VERSION_MINOR)
55 
56 struct OutputSinkPluginDef : public PluginDefBase {
57     ProtocolType protocolType;
58     CapabilitySet inCaps;
59     PluginCreatorFunc<OutputSinkPlugin> creator {nullptr}; ///< Output sink plugin create function.
OutputSinkPluginDefOutputSinkPluginDef60     OutputSinkPluginDef()
61     {
62         apiVersion = OUTPUT_SINK_API_VERSION; ///< Output sink plugin version.
63         pluginType = PluginType::OUTPUT_SINK; ///< Plugin type, MUST be OUTPUT_SINK.
64         inCaps.emplace_back(Capability("*")); ///< Output sink sink can accept any data
65     }
66 };
67 } // Plugin
68 } // Media
69 } // OHOS
70 #endif // HISTREAMER_PLUGIN_INTF_OUTPUT_SINK_PLUGIN_H
71