start()

void MayaFlux::Core::MIDIBackend::start ( )

overridevirtual

Start listening for input events.

Begins polling/callback registration for all opened devices. Input events will be delivered via registered callbacks.

Implements MayaFlux::Core::IInputBackend.

Definition at line 53 of file MIDIBackend.cpp.

{
    if (!m_initialized.load()) {
        MF_ERROR(Journal::Component::Core, Journal::Context::InputBackend,
            "Cannot start MIDIBackend: not initialized");
        return;
    }
 
    if (m_running.load()) {
        MF_WARN(Journal::Component::Core, Journal::Context::InputBackend,
            "MIDIBackend already running");
        return;
    }
 
    std::vector<uint32_t> inputs_to_open;
    {
        std::lock_guard lock(m_devices_mutex);
        for (const auto& [id, info] : m_enumerated_devices) {
            if (info.is_input) {
                inputs_to_open.push_back(id);
            }
        }
    }
 
    for (uint32_t id : inputs_to_open) {
        open_device(id);
    }
 
    m_running.store(true);
 
    MF_INFO(Journal::Component::Core, Journal::Context::InputBackend,
        "MIDIBackend started with {} open port(s)", get_open_devices().size());
}

References MayaFlux::Journal::Core, get_open_devices(), MayaFlux::Journal::InputBackend, m_devices_mutex, m_enumerated_devices, m_initialized, m_running, MF_ERROR, MF_INFO, MF_WARN, and open_device().

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