mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
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105 lines
2.8 KiB
C++
105 lines
2.8 KiB
C++
#ifndef ZLMEDIAKIT_SRT_PACKET_QUEUE_H
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#define ZLMEDIAKIT_SRT_PACKET_QUEUE_H
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#include "Packet.hpp"
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#include <algorithm>
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#include <list>
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#include <map>
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#include <memory>
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#include <tuple>
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#include <utility>
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#include <vector>
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namespace SRT {
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class PacketQueueInterface {
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public:
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using Ptr = std::shared_ptr<PacketQueueInterface>;
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using LostPair = std::pair<uint32_t, uint32_t>;
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PacketQueueInterface() = default;
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virtual ~PacketQueueInterface() = default;
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virtual bool inputPacket(DataPacket::Ptr pkt, std::list<DataPacket::Ptr> &out) = 0;
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virtual uint32_t timeLatency() = 0;
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virtual std::list<LostPair> getLostSeq() = 0;
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virtual size_t getSize() = 0;
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virtual size_t getExpectedSize() = 0;
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virtual size_t getAvailableBufferSize() = 0;
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virtual uint32_t getExpectedSeq() = 0;
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virtual std::string dump() = 0;
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virtual bool drop(uint32_t first, uint32_t last, std::list<DataPacket::Ptr> &out) = 0;
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};
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// for recv
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class PacketQueue : public PacketQueueInterface {
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public:
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using Ptr = std::shared_ptr<PacketQueue>;
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PacketQueue(uint32_t max_size, uint32_t init_seq, uint32_t latency);
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~PacketQueue() = default;
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bool inputPacket(DataPacket::Ptr pkt, std::list<DataPacket::Ptr> &out);
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uint32_t timeLatency();
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std::list<LostPair> getLostSeq();
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size_t getSize();
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size_t getExpectedSize();
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size_t getAvailableBufferSize();
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uint32_t getExpectedSeq();
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std::string dump();
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bool drop(uint32_t first, uint32_t last, std::list<DataPacket::Ptr> &out);
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private:
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void tryInsertPkt(DataPacket::Ptr pkt);
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private:
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uint32_t _pkt_cap;
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uint32_t _pkt_latency;
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uint32_t _pkt_expected_seq;
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std::map<uint32_t, DataPacket::Ptr> _pkt_map;
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};
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class PacketRecvQueue : public PacketQueueInterface {
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public:
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using Ptr = std::shared_ptr<PacketRecvQueue>;
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PacketRecvQueue(uint32_t max_size, uint32_t init_seq, uint32_t latency,uint32_t flag = 0xbf);
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~PacketRecvQueue() = default;
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bool inputPacket(DataPacket::Ptr pkt, std::list<DataPacket::Ptr> &out);
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uint32_t timeLatency();
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std::list<LostPair> getLostSeq();
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size_t getSize();
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size_t getExpectedSize();
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size_t getAvailableBufferSize();
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uint32_t getExpectedSeq();
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std::string dump();
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bool drop(uint32_t first, uint32_t last, std::list<DataPacket::Ptr> &out);
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private:
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void tryInsertPkt(DataPacket::Ptr pkt);
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void insertToCycleBuf(DataPacket::Ptr pkt, uint32_t diff);
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DataPacket::Ptr getFirst();
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DataPacket::Ptr getLast();
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bool TLPKTDrop();
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private:
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uint32_t _pkt_cap;
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uint32_t _pkt_latency;
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uint32_t _pkt_expected_seq;
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uint32_t _srt_flag;
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std::vector<DataPacket::Ptr> _pkt_buf;
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uint32_t _start = 0;
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uint32_t _end = 0;
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size_t _size = 0;
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};
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} // namespace SRT
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#endif // ZLMEDIAKIT_SRT_PACKET_QUEUE_H
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