claim_frame_slot()

uint8_t * MayaFlux::Kakshya::DynamicVideoStream::claim_frame_slot ( )

private

Definition at line 46 of file DynamicVideoStream.cpp.

{
    const size_t frame_bytes = get_frame_byte_size();
 
    if (frame_bytes == 0) {
        return nullptr;
    }
 
    if (is_ring_mode()) {
        return mutable_slot_ptr(m_write_head);
    }
 
    Memory::SeqlockWriteGuard guard(m_data_lock);
 
    auto& bytes = flat_bytes();
    const size_t needed = (m_write_head + 1) * frame_bytes;
    if (bytes.size() < needed) {
        bytes.resize(needed);
    }
 
    return bytes.data() + m_write_head * frame_bytes;
}

References flat_bytes(), MayaFlux::Kakshya::VideoStreamContainer::get_frame_byte_size(), MayaFlux::Kakshya::VideoStreamContainer::is_ring_mode(), MayaFlux::Kakshya::VideoStreamContainer::m_data_lock, m_write_head, and MayaFlux::Kakshya::VideoStreamContainer::mutable_slot_ptr().

Referenced by append_frame(), and append_frame().

Here is the call graph for this function:

Here is the caller graph for this function: