load_into_container()

bool MayaFlux::IO::SoundFileReader::load_into_container ( std::shared_ptr< Kakshya::SignalSourceContainer >  container )

overridevirtual

Load file data into an existing SignalSourceContainer.

Parameters

container

Target container.

Returns

True if loading succeeded.

Implements MayaFlux::IO::FileReader.

Definition at line 624 of file SoundFileReader.cpp.

{
    if (!container) {
        set_error("Invalid container");
        return false;
    }
 
    auto sc = std::dynamic_pointer_cast<Kakshya::SoundFileContainer>(container);
    if (!sc) {
        set_error("Container is not a SoundFileContainer");
        return false;
    }
 
    std::shared_ptr<AudioStreamContext> audio;
    {
        std::shared_lock lock(m_context_mutex);
        if (!m_demux || !m_audio) {
            set_error("File not open");
            return false;
        }
        audio = m_audio;
    }
 
    sc->set_source_path(m_filepath);
    if (m_demux && m_demux->format_context)
        sc->set_source_format(m_demux->format_context->iformat->name);
 
    sc->setup(audio->total_frames, audio->sample_rate, audio->channels);
 
    bool planar = (m_audio_options & AudioReadOptions::DEINTERLEAVE) != AudioReadOptions::NONE;
    sc->get_structure().organization = planar
        ? Kakshya::OrganizationStrategy::PLANAR
        : Kakshya::OrganizationStrategy::INTERLEAVED;
 
    auto data = read_all();
    if (data.empty()) {
        set_error("Failed to read audio data");
        return false;
    }
 
    sc->set_raw_data(data);
 
    auto regions = get_regions();
    auto region_groups = regions_to_groups(regions);
    for (const auto& [name, group] : region_groups)
        sc->add_region_group(group);
 
    sc->create_default_processor();
    sc->mark_ready_for_processing(true);
    return true;
}

References MayaFlux::IO::DEINTERLEAVE, get_regions(), MayaFlux::Kakshya::INTERLEAVED, m_audio, m_audio_options, m_context_mutex, m_demux, m_filepath, MayaFlux::IO::NONE, MayaFlux::Kakshya::PLANAR, read_all(), MayaFlux::IO::FileReader::regions_to_groups(), and set_error().

Referenced by MayaFlux::IO::VideoFileReader::load_into_container().

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