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/**
* Copyright (C) 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef RTP_DECODER_NODE_H
#define RTP_DECODER_NODE_H
#include <BaseNode.h>
#include <IRtpSession.h>
#include <RtpHeaderExtension.h>
// #define DEBUG_JITTER_GEN_SIMULATION_DELAY
// #define DEBUG_JITTER_GEN_SIMULATION_REORDER
// #define DEBUG_JITTER_GEN_SIMULATION_DUPLICATE
// #define DEBUG_JITTER_GEN_SIMULATION_LOSS
/**
* @brief This class is to depacketize the rtp packet and acquires sequence number, ssrc, timestamp,
* mark flag from the rtp packet header by interfacing with the RtpStack module. This module can
* simulate the packet loss, delay, duplicate and mixed order to check the jitter buffer handles the
* variouse cases caused by the network condition.
*/
class RtpDecoderNode : public BaseNode, public IRtpDecoderListener
{
public:
RtpDecoderNode(BaseSessionCallback* callback = nullptr);
virtual ~RtpDecoderNode();
virtual kBaseNodeId GetNodeId();
virtual ImsMediaResult Start();
virtual void Stop();
virtual bool IsRunTime();
virtual bool IsSourceNode();
virtual void SetConfig(void* config);
virtual bool IsSameConfig(void* config);
virtual void OnDataFromFrontNode(ImsMediaSubType subtype, uint8_t* pData, uint32_t nDataSize,
uint32_t timestamp, bool mark, uint32_t nSeqNum, ImsMediaSubType nDataType,
uint32_t arrivalTime = 0);
virtual void OnMediaDataInd(unsigned char* data, uint32_t dataSize, uint32_t timestamp,
bool mark, uint16_t seqNum, uint32_t payloadType, uint32_t ssrc,
const RtpHeaderExtensionInfo& extensionInfo);
// IRtpDecoderListener
virtual void OnNumReceivedPacket(uint32_t nNumRtpPacket);
/**
* @brief Set the local ip address and port number
*/
void SetLocalAddress(const RtpAddress& address);
/**
* @brief Set the peer ip address and port number
*/
void SetPeerAddress(const RtpAddress& address);
/**
* @brief Set the inactivity timer in second unit
*/
void SetInactivityTimerSec(const uint32_t time);
private:
void processDtmf(uint8_t* data);
std::list<RtpHeaderExtension>* DecodeRtpHeaderExtension(
const RtpHeaderExtensionInfo& extensionInfo);
IRtpSession* mRtpSession;
RtpAddress mLocalAddress;
RtpAddress mPeerAddress;
int8_t mSamplingRate;
int8_t mRtpPayloadTx;
int8_t mRtpPayloadRx;
int8_t mRtpTxDtmfPayload;
int8_t mRtpRxDtmfPayload;
int8_t mDtmfSamplingRate;
int32_t mCvoValue;
uint32_t mReceivingSSRC;
uint32_t mInactivityTime;
uint32_t mNoRtpTime;
int8_t mRedundantPayload;
uint32_t mArrivalTime;
ImsMediaSubType mSubtype;
bool mDtmfEndBit;
#if (defined(DEBUG_JITTER_GEN_SIMULATION_LOSS) || defined(DEBUG_JITTER_GEN_SIMULATION_DUPLICATE))
uint32_t mPacketCounter;
#endif
#ifdef DEBUG_JITTER_GEN_SIMULATION_DELAY
uint32_t mNextTime;
#endif
#ifdef DEBUG_JITTER_GEN_SIMULATION_REORDER
ImsMediaDataQueue jitterData;
uint32_t mReorderDataCount;
#endif
};
#endif
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