MidiInWindows.hh

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#ifndef MIDIINWINDOWS_HH
#define MIDIINWINDOWS_HH
 
#if defined(_WIN32)
 
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
 
#include "openmsx.hh"
#include "MidiInDevice.hh"
#include "EventListener.hh"
#include "serialize_meta.hh"
#include "circular_buffer.hh"
#include <windows.h>
#include <mmsystem.h>
#include <mutex>
#include <condition_variable>
#include <thread>
 
namespace openmsx {
 
class EventDistributor;
class Scheduler;
class PluggingController;
 
class MidiInWindows final : public MidiInDevice, private EventListener
{
public:
        static void registerAll(EventDistributor& eventDistributor,
                                Scheduler& scheduler,
                                PluggingController& controller);
 
        MidiInWindows(EventDistributor& eventDistributor, Scheduler& scheduler,
                     unsigned num);
        ~MidiInWindows() override;
 
        // Pluggable
        void plugHelper(Connector& connector, EmuTime::param time) override;
        void unplugHelper(EmuTime::param time) override;
        [[nodiscard]] std::string_view getName() const override;
        [[nodiscard]] std::string_view getDescription() const override;
 
        // MidiInDevice
        void signal(EmuTime::param time) override;
 
        template<typename Archive>
        void serialize(Archive& ar, unsigned version);
 
private:
        void run();
 
        // EventListener
        bool signalEvent(const Event& event) override;
 
        void procShortMsg(long unsigned param);
        void procLongMsg(LPMIDIHDR p);
 
private:
        EventDistributor& eventDistributor;
        Scheduler& scheduler;
        std::thread thread;
        std::mutex devIdxMutex;
        std::condition_variable devIdxCond;
        unsigned devIdx = unsigned(-1);
        std::mutex threadIdMutex;
        std::condition_variable threadIdCond;
        DWORD threadId;
        cb_queue<byte> queue;
        std::mutex queueMutex;
        std::string name;
        std::string desc;
};
 
} // namespace openmsx
 
#endif // defined(_WIN32)
#endif // MIDIINWINDOWS_HH