channel_data()

DataAccess MayaFlux::Kakshya::VideoStreamContainer::channel_data ( size_t  channel_index )

overridevirtual

Get channel data with semantic interpretation.

Parameters

channel

Channel index

Returns

Type-erased data accessor

Implements MayaFlux::Kakshya::SignalSourceContainer.

Definition at line 611 of file VideoStreamContainer.cpp.

{
    MF_WARN(Journal::Component::Kakshya, Journal::Context::ContainerProcessing,
        "VideoStreamContainer::channel_data — not meaningful for interleaved pixel data; returning full surface");
 
    if (m_data.empty()) {
        static DataVariant empty_variant = std::vector<uint8_t>();
        return { empty_variant, m_structure.dimensions, DataModality::VIDEO_COLOR };
    }
 
    return { m_data[0], m_structure.dimensions, DataModality::VIDEO_COLOR };
}

References MayaFlux::Journal::ContainerProcessing, MayaFlux::Kakshya::ContainerDataStructure::dimensions, MayaFlux::Journal::Kakshya, m_data, m_structure, MF_WARN, and MayaFlux::Kakshya::VIDEO_COLOR.