monotonic_time_provider.h

// SPDX-FileCopyrightText: © 2024 Alexandros Theodotou <alex@zrythm.org>
// SPDX-License-Identifier: LicenseRef-ZrythmLicense
 
#pragma once
 
#include <QElapsedTimer>
 
namespace zrythm::utils
{
using MonotonicTime = qint64;
 
class MonotonicTimeProvider
{
public:
  virtual ~MonotonicTimeProvider () = default;
  virtual MonotonicTime get_monotonic_time_nsecs () const = 0;
  virtual MonotonicTime get_monotonic_time_usecs () const = 0;
};
 
class QElapsedTimeProvider : public MonotonicTimeProvider
{
public:
  QElapsedTimeProvider () { timer_.start (); }
 
  MonotonicTime get_monotonic_time_nsecs () const override
  {
    return timer_.nsecsElapsed ();
  }
 
  MonotonicTime get_monotonic_time_usecs () const override
  {
    return get_monotonic_time_nsecs () / 1000;
  }
 
private:
  QElapsedTimer timer_;
};
 
} // namespace zrythm::utils