Function buildAudioDevicesSnapshot

src/core/DeviceDiagnostics.cpp:192–342

} // namespace

QJsonObject buildAudioDevicesSnapshot(const AudioEngine* audio, const QJsonObject& snapshot)
{
    const QList<QAudioDevice> inputs = QMediaDevices::audioInputs();
    const QList<QAudioDevice> outputs = QMediaDevices::audioOutputs();
    const QAudioDevice defaultInput = QMediaDevices::defaultAudioInput();
    const QAudioDevice defaultOutput = QMediaDevices::defaultAudioOutput();

    const QAudioDevice selectedInput = (audio && !audio->inputDevice().isNull())
        ? audio->inputDevice()
        : defaultInput;
    const QAudioDevice selectedOutput = (audio && !audio->outputDevice().isNull())
        ? audio->outputDevice()
        : defaultOutput;
    const QByteArray savedInputId = AppSettings::instance()
        .value(QStringLiteral("AudioInputDeviceId"), QString()).toByteArray();
    const QByteArray savedOutputId = AppSettings::instance()
        .value(QStringLiteral("AudioOutputDeviceId"), QString()).toByteArray();

    QJsonObject obj;
    obj["available"] = audio != nullptr;
    obj["qt_multimedia"] = true;
    obj["input_device_count"] = inputs.size();
    obj["output_device_count"] = outputs.size();
    obj["saved_input_configured"] = !savedInputId.isEmpty();
    obj["saved_output_configured"] = !savedOutputId.isEmpty();
    obj["saved_input_present"] = deviceIdPresent(inputs, savedInputId);
    obj["saved_output_present"] = deviceIdPresent(outputs, savedOutputId);
    obj["selected_input_source"] = (audio && !audio->inputDevice().isNull()) ? "saved selection" : "system default";
    obj["selected_output_source"] = (audio && !audio->outputDevice().isNull()) ? "saved selection" : "system default";
    obj["selected_input_present"] = devicePresent(inputs, selectedInput);
    obj["selected_output_present"] = devicePresent(outputs, selectedOutput);
    obj["selected_input"] = deviceToJson(selectedInput, selectedInput, defaultInput, QStringLiteral("input"));
    obj["selected_output"] = deviceToJson(selectedOutput, selectedOutput, defaultOutput, QStringLiteral("output"));
    obj["default_input"] = deviceToJson(defaultInput, selectedInput, defaultInput, QStringLiteral("input"));
    obj["default_output"] = deviceToJson(defaultOutput, selectedOutput, defaultOutput, QStringLiteral("output"));
    obj["input_devices"] = deviceListToJson(inputs, selectedInput, defaultInput, QStringLiteral("input"));
    obj["output_devices"] = deviceListToJson(outputs, selectedOutput, defaultOutput, QStringLiteral("output"));

    const QJsonObject transmit = snapshot["transmit"].toObject();
    const QJsonObject mic = transmit["mic"].toObject();
    const QJsonObject radio = snapshot["radio"].toObject();
    const QJsonObject remoteAudioRx = radio["remote_audio_rx"].toObject();
    const bool pcAudioEnabled = isSavedTrue(QStringLiteral("PcAudioEnabled"), QStringLiteral("True"));

    QJsonObject rxRoute;
    rxRoute["output"] = pcAudioEnabled ? "PC audio" : "Radio audio";
    rxRoute["source"] = "PcAudioEnabled app setting";
    rxRoute["selected_output_device"] = selectedOutput.description();
    rxRoute["actual_sample_rate_hz"] = (audio && audio->isRxStreaming())
        ? QJsonValue(audio->rxBufferSampleRate())
        : QJsonValue();
    rxRoute["actual_channel_count"] = (audio && audio->isRxStreaming())
        ? QJsonValue(2)
        : QJsonValue();
    rxRoute["actual_sample_format"] = (audio && audio->isRxStreaming())
        ? QJsonValue(QStringLiteral("Float"))
        : QJsonValue();
    rxRoute["resampling_active"] = (audio && audio->isRxStreaming())