Worked on enhancing VLC’s media player capabilities by implementing native NV12 video format support within the DirectShow filter, as part of the videolan/vlc repository. This addition allowed VLC to handle NV12 sources directly, reducing the need for format conversions and improving playback compatibility for streams originating in this format. The work involved C++ programming and a focus on video processing, introducing new logic to recognize and process the NV12 media subtype in the DirectShow pipeline. By addressing this compatibility gap, the developer contributed to a more robust and efficient media player experience, particularly for users working with NV12 video sources.