Worked on the FFmpeg/FFmpeg repository to enhance cross-platform stability by addressing a critical logging issue. Focused on system programming in C, the developer refactored the logging format to use standardized PRI macros for uint32_t types, ensuring consistent and portable log output across diverse platforms. This change reduced platform-specific warnings, particularly on systems where uint32_t typedefs differ, such as NuttX, and improved overall maintainability of the codebase. No new user-facing features were introduced during this period, but the update strengthened build reliability and portability, reflecting a careful approach to cross-platform development and attention to long-term code quality.