Kaarle Ritvanen contributed a targeted stability improvement to the FFmpeg/FFmpeg repository, focusing on live RTP streaming workflows. He addressed a bug in the handling of the AVFMTCTX_UNSEEKABLE flag, correcting the duration calculation for live streams to better reflect actual playback characteristics. Using C programming and leveraging expertise in multimedia frameworks and network protocols, Kaarle’s patch conditionally enabled the flag, enhancing compatibility with external applications such as Qt Multimedia that depend on accurate stream metadata. This work reduced discrepancies in duration reporting for edge cases, resulting in improved interoperability and reliability for live-streaming pipelines within the FFmpeg ecosystem.