Olivier Perret extended the mpv-player/mpv codebase to support the QOI image format by updating the recognized image extensions, allowing the player to automatically detect and potentially process .qoi files. Working primarily in C, Olivier focused on configuration changes that broadened mpv’s image compatibility while maintaining codebase stability and adhering to established contribution standards. The patch was developed with careful attention to repository hygiene and minimal surface area changes, ensuring seamless integration with existing functionality. This work laid the foundation for future QOI playback features and demonstrated effective collaboration within the mpv community, reflecting a focused and incremental engineering approach.