ExternalChannel.h

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#ifndef EXTERNAL_CHANNEL_H
#define EXTERNAL_CHANNEL_H
 
#include <cstdint>
#include <utility>
#include <vector>
 
// Qt headers
#include <QString>
#include <QStringList>
 
// MythTV headers
#include "libmythbase/mythchrono.h"
 
#include "dtvchannel.h"
#include "ExternalStreamHandler.h"
 
class ExternalChannel : public DTVChannel
{
  public:
    ExternalChannel(TVRec *parent, QString  device)
        : DTVChannel(parent), m_device(std::move(device)),
          m_loc(ExternalChannel::GetDevice()) {}
    ~ExternalChannel(void) override;
 
    // Commands
    bool Open(void) override; // ChannelBase
    void Close(void) override; // ChannelBase
 
    // ATSC/DVB scanning/tuning stuff
    using DTVChannel::Tune;
    bool Tune(const DTVMultiplex &/*tuning*/) override // DTVChannel
        { return true; }
    bool Tune(const QString &channum) override; // DTVChannel
    bool Tune(const QString &freqid, int /*finetune*/) override; // DTVChannel
 
    bool EnterPowerSavingMode(void) override; // DTVChannel
 
    // Gets
    bool IsOpen(void) const override // ChannelBase
        { return m_streamHandler; }
    QString GetDevice(void) const override // ChannelBase
        { return m_device; }
    bool IsPIDTuningSupported(void) const override // DTVChannel
        { return true; }
 
    QString UpdateDescription(void);
    QString GetDescription(void);
    bool IsBackgroundTuning(void) const { return m_backgroundTuning; }
    uint GetTuneStatus(void);
 
  protected:
    bool IsExternalChannelChangeSupported(void) override // ChannelBase
        { return true; }
 
  private:
    std::chrono::milliseconds m_tuneTimeout { -1ms };
    bool                     m_backgroundTuning {false};
    QString                  m_device;
    QStringList              m_args;
    ExternalStreamHandler   *m_streamHandler {nullptr};
    QString                  m_loc;
};
 
#endif // EXTERNAL_CHANNEL_H