Method start

src/SFML/Audio/SoundRecorder.cpp:269–320

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bool SoundRecorder::start(unsigned int sampleRate)
{
    // Check if the device can do audio capture
    if (!isAvailable())
    {
        err() << "Failed to start capture: your system cannot capture audio data (call SoundRecorder::isAvailable to "
                 "check it)"
              << std::endl;
        return false;
    }

    // Store the sample rate and re-initialize if necessary
    if (m_impl->sampleRate != sampleRate)
    {
        m_impl->sampleRate = sampleRate;

        if (!m_impl->initialize())
        {
            err() << "Failed to set audio capture device sample rate to " << sampleRate << std::endl;
            return false;
        }
    }

    // Ensure we have a capture device
    if (!m_impl->captureDevice)
    {
        err() << "Trying to start audio capture, but no device available" << std::endl;
        return false;
    }

    // Check that another capture is not already running
    if (ma_device_is_started(&*m_impl->captureDevice))
    {
        err() << "Trying to start audio capture, but another capture is already running" << std::endl;
        return false;
    }

    // Notify derived class
    if (onStart())
    {
        // Start the capture
        if (const auto result = ma_device_start(&*m_impl->captureDevice); result != MA_SUCCESS)
        {
            err() << "Failed to start audio capture device: " << ma_result_description(result) << std::endl;
            return false;
        }

        return true;
    }

    return false;
}


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