packetbuffer.h

Go to the documentation of this file.

/* -*- Mode: c++ -*-
 * PacketBuffer
 * Copyright (c) 2012 Digital Nirvana, Inc.
 * Distributed as part of MythTV under GPL v2 and later.
 */
 
#ifndef PACKET_BUFFER_H
#define PACKET_BUFFER_H
 
#include <QList>
#include <QMap>
 
#include "udppacket.h"
 
class PacketBuffer
{
  public:
    explicit PacketBuffer(unsigned int bitrate);
    virtual ~PacketBuffer() = default;
 
    virtual void PushDataPacket(const UDPPacket&) = 0;
 
    virtual void PushFECPacket(const UDPPacket&, unsigned int) = 0;
 
    bool HasAvailablePacket(void) const;
 
    UDPPacket PopDataPacket(void);
 
    UDPPacket GetEmptyPacket(void);
 
    void FreePacket(const UDPPacket &packet);
 
  protected:
    uint m_bitrate;
 
    uint64_t m_nextEmptyPacketKey;
    
    QMap<uint64_t, UDPPacket> m_emptyPackets;
 
    QList<UDPPacket> m_availablePackets;
};
 
#endif // PACKET_BUFFER_H