set_target_fps()

void MayaFlux::Vruta::FrameClock::set_target_fps

(

uint32_t

new_fps

)

Set new target frame rate (runtime adjustment)

Parameters

new_fps

New target frames per second

Definition at line 130 of file Clock.cpp.

{
    if (new_fps == 0 || new_fps > 1000) {
        error<std::runtime_error>(Journal::Component::Vruta,
            Journal::Context::ClockSync,
            std::source_location::current(),
            "FrameClock", "set_target_fps", "Invalid FPS value: {}",
            new_fps);
    }
 
    if (new_fps == m_target_fps)
        return;
 
    m_target_fps = new_fps;
    recalculate_frame_duration();
 
    auto frames_elapsed = static_cast<double>(m_current_frame.load());
    auto expected_time = m_start_time + std::chrono::duration_cast<std::chrono::nanoseconds>(std::chrono::duration<double>(frames_elapsed / m_target_fps));
 
    m_next_frame_time = expected_time + m_frame_duration;
}

References MayaFlux::Journal::ClockSync, m_current_frame, m_frame_duration, m_next_frame_time, m_start_time, m_target_fps, recalculate_frame_duration(), and MayaFlux::Journal::Vruta.

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