configure_stream_options()

void MayaFlux::Core::RtAudioStream::configure_stream_options ( )

private

Configures RtAudio stream options based on GlobalStreamInfo.

Maps the engine's stream configuration parameters to the corresponding RtAudio-specific options.

Definition at line 168 of file RtAudioBackend.cpp.

{
    m_options.flags = 0;
 
    switch (m_stream_info.priority) {
    case GlobalStreamInfo::StreamPriority::REALTIME:
        m_options.flags |= RTAUDIO_SCHEDULE_REALTIME;
        break;
    case GlobalStreamInfo::StreamPriority::HIGH:
    default:
        break;
    }
 
    if (m_stream_info.non_interleaved) {
        m_options.flags |= RTAUDIO_NONINTERLEAVED;
    }
 
    if (m_stream_info.buffer_count > 0) {
        m_options.numberOfBuffers = static_cast<unsigned int>(m_stream_info.buffer_count);
    }
 
    m_options.priority = 0;
 
    auto rtSpecificOpt = m_stream_info.backend_options.find("rtaudio.exclusive");
    if (rtSpecificOpt != m_stream_info.backend_options.end()) {
        try {
            bool exclusive = std::any_cast<bool>(rtSpecificOpt->second);
            if (exclusive) {
#ifdef _WIN32
                m_options.flags |= RtAudio::Api::WINDOWS_WASAPI;
#endif
            }
        } catch (const std::bad_any_cast&) {
            error_rethrow(
                Journal::Component::Core,
                Journal::Context::AudioBackend,
                std::source_location::current(),
                "Invalid type for rtaudio.exclusive option; expected bool");
        }
    }
}

References MayaFlux::Journal::AudioBackend, MayaFlux::Core::GlobalStreamInfo::backend_options, MayaFlux::Core::GlobalStreamInfo::buffer_count, MayaFlux::Journal::Core, MayaFlux::Core::GlobalStreamInfo::HIGH, m_options, m_stream_info, MayaFlux::Core::GlobalStreamInfo::non_interleaved, MayaFlux::Core::GlobalStreamInfo::priority, and MayaFlux::Core::GlobalStreamInfo::REALTIME.

Referenced by RtAudioStream().

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