1 /**
2  * Copyright (C) 2022 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef TEXT_RENDERER_NODE_H_INCLUDED
18 #define TEXT_RENDERER_NODE_H_INCLUDED
19 
20 #include <JitterBufferControlNode.h>
21 
22 /**
23  * @brief This class describes an interface between depacketization module
24  */
25 class TextRendererNode : public JitterBufferControlNode
26 {
27 public:
28     TextRendererNode(BaseSessionCallback* callback = nullptr);
29     virtual ~TextRendererNode();
30     virtual kBaseNodeId GetNodeId();
31     virtual ImsMediaResult Start();
32     virtual void Stop();
33     virtual bool IsRunTime();
34     virtual bool IsSourceNode();
35     virtual void SetConfig(void* config);
36     virtual bool IsSameConfig(void* config);
37     virtual void OnDataFromFrontNode(ImsMediaSubType subtype, uint8_t* data, uint32_t size,
38             uint32_t timestamp, bool mark, uint32_t seq,
39             ImsMediaSubType dataType = ImsMediaSubType::MEDIASUBTYPE_UNDEFINED,
40             uint32_t arrivalTime = 0);
41     virtual void ProcessData();
42 
43 private:
44     char mBuffer[MAX_RTT_LEN + 1];
45     int32_t mCodecType;
46     bool mBOMReceived;
47     uint16_t mLastPlayedSeq;
48     uint32_t mLossWaitTime;
49     bool mFirstFrameReceived;
50 };
51 
52 #endif
53