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- NDIContext struct handles NDIlib_initialize/send_create/send_destroy/destroy so NDIlib_destroy() is guaranteed even if send_create fails (was leaked before) - malloc/free for 10-bit and 16-bit frame buffers → std::vector<uint8_t> - NDI frame structs point into vector data, no manual lifetime management - static_cast for FourCC instead of C-style cast - Tidy: ndi_frame_count replaces ndi_frame_counter, ++prefix form Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>