mirror of
https://github.com/danog/libtgvoip.git
synced 2024-12-02 17:51:06 +01:00
65 lines
1.7 KiB
C++
65 lines
1.7 KiB
C++
//
|
|
// Created by Grishka on 19.03.2018.
|
|
//
|
|
|
|
#ifndef TGVOIP_PACKETREASSEMBLER_H
|
|
#define TGVOIP_PACKETREASSEMBLER_H
|
|
|
|
#include <vector>
|
|
#include <functional>
|
|
#include <unordered_map>
|
|
#include <memory>
|
|
|
|
#include "Buffers.h"
|
|
#include "logging.h"
|
|
|
|
namespace tgvoip {
|
|
class PacketReassembler{
|
|
public:
|
|
PacketReassembler();
|
|
virtual ~PacketReassembler();
|
|
|
|
void Reset();
|
|
void AddFragment(Buffer pkt, unsigned int fragmentIndex, unsigned int fragmentCount, uint32_t pts, uint8_t fseq, bool keyframe, uint16_t rotation);
|
|
void AddFEC(Buffer data, uint8_t fseq, unsigned int frameCount, unsigned int fecScheme);
|
|
void SetCallback(std::function<void(Buffer packet, uint32_t pts, bool keyframe, uint16_t rotation)> callback);
|
|
|
|
private:
|
|
struct Packet{
|
|
uint32_t seq;
|
|
uint32_t timestamp;
|
|
uint32_t partCount;
|
|
uint32_t receivedPartCount;
|
|
bool isKeyframe;
|
|
uint16_t rotation;
|
|
std::vector<Buffer> parts;
|
|
|
|
Packet(uint32_t seq, uint32_t timestamp, uint32_t partCount, uint32_t receivedPartCount, bool keyframe, uint16_t rotation)
|
|
:seq(seq), timestamp(timestamp), partCount(partCount), receivedPartCount(receivedPartCount), isKeyframe(keyframe), rotation(rotation){
|
|
|
|
}
|
|
|
|
void AddFragment(Buffer pkt, uint32_t fragmentIndex);
|
|
Buffer Reassemble();
|
|
};
|
|
struct FecPacket{
|
|
uint32_t seq;
|
|
uint32_t prevFrameCount;
|
|
uint32_t fecScheme;
|
|
Buffer data;
|
|
};
|
|
|
|
bool TryDecodeFEC(FecPacket& fec);
|
|
|
|
std::function<void(Buffer, uint32_t, bool, uint16_t)> callback;
|
|
std::vector<std::unique_ptr<Packet>> packets;
|
|
std::vector<std::unique_ptr<Packet>> oldPackets; // for FEC
|
|
std::vector<FecPacket> fecPackets;
|
|
uint32_t maxTimestamp=0;
|
|
uint32_t lastFrameSeq=0;
|
|
bool waitingForFEC=false;
|
|
};
|
|
}
|
|
|
|
#endif //TGVOIP_PACKETREASSEMBLER_H
|