v4l2encsignalmonitor.h

Go to the documentation of this file.

// -*- Mode: c++ -*-
 
#ifndef V4L2encSignalMonitor_H
#define V4L2encSignalMonitor_H
 
#include <QMap>
 
#include "dtvsignalmonitor.h"
#include "v4lchannel.h"
#include "v4l2util.h"
 
class V4L2encStreamHandler;
 
using FilterMap = QMap<uint,int>;
 
class V4L2encSignalMonitor: public DTVSignalMonitor
{
  public:
    V4L2encSignalMonitor(int db_cardnum, V4LChannel *_channel,
                         bool _release_stream, uint64_t _flags = 0);
    ~V4L2encSignalMonitor() override;
 
    void Stop(void) override; // SignalMonitor
 
  protected:
    V4L2encSignalMonitor(void);
    V4L2encSignalMonitor(const V4L2encSignalMonitor &);
 
    void UpdateValues(void) override; // SignalMonitor
    V4LChannel *GetV4L2encChannel(void)
        { return dynamic_cast<V4LChannel*>(m_channel); }
 
    bool HasLock(void);
    int  StableResolution(void);
 
  protected:
    V4L2util              m_v4l2;
    V4L2encStreamHandler *m_streamHandler  {nullptr};
    bool                  m_isTS           {false};
 
  private:
    int                   m_strength       {0};
    std::chrono::milliseconds m_stableTime {1500ms};
    int                   m_width          {0};
    int                   m_height         {0};
    uint                  m_lockCnt        {0};
    MythTimer             m_timer;
    QDateTime             m_statusTime;
};
 
#endif // V4L2encSIGNALMONITOR_H