Method makeAudioSampleRateMenu

src/AppFrame.cpp:622–673

}

wxMenu *AppFrame::makeAudioSampleRateMenu() {
    // Audio Sample Rates
    auto *pMenu = new wxMenu;

    auto outputDevices = wxGetApp().getDemodMgr().getOutputDevices();

#define NUM_RATES_DEFAULT 4
    unsigned int desired_rates[NUM_RATES_DEFAULT] = { 48000, 44100, 96000, 192000 };

    for (auto & outputDevice : outputDevices) {
        unsigned int desired_rate = 0;
        unsigned int desired_rank = NUM_RATES_DEFAULT + 1;

        for (unsigned int & sampleRate : outputDevice.second.sampleRates) {
            for (unsigned int i = 0; i < NUM_RATES_DEFAULT; i++) {
                if (desired_rates[i] == sampleRate) {
                    if (desired_rank > i) {
                        desired_rank = i;
                        desired_rate = sampleRate;
                    }
                }
            }
        }

        if (desired_rank > NUM_RATES_DEFAULT) {
            desired_rate = outputDevice.second.sampleRates.back();
        }
        AudioThread::deviceSampleRate[outputDevice.first] = desired_rate;
    }

    for (auto & outputDevice : outputDevices) {
        int menu_id = wxID_AUDIO_BANDWIDTH_BASE + wxID_AUDIO_DEVICE_MULTIPLIER * outputDevice.first;
        auto *subMenu = new wxMenu;
        pMenu->AppendSubMenu(subMenu, outputDevice.second.name, wxT("Description?"));

        int j = 0;
        for (auto srate = outputDevice.second.sampleRates.begin(); srate != outputDevice.second.sampleRates.end();
             srate++) {
            stringstream srateName;
            srateName << ((float) (*srate) / 1000.0f) << "kHz";
            wxMenuItem *itm = subMenu->AppendRadioItem(menu_id + j, srateName.str(), wxT("Description?"));

            if ((int)(*srate) == AudioThread::deviceSampleRate[outputDevice.first]) {
                itm->Check(true);
            }
            audioSampleRateMenuItems[menu_id + j] = itm;

            j++;
        }
    }
    return pMenu;
}

MeterCanvas *AppFrame::makeWaterfallSpeedMeter(wxWindow *parent, const wxGLAttributes &attribList) {
    auto *pCanvas = new MeterCanvas(parent, attribList);