Worked on the FFmpeg/FFmpeg repository to enhance cross-platform reliability of the ALSA device code, focusing on NetBSD compatibility. Addressed a platform-specific compilation issue by conditionally excluding the handling of the ESTRPIPE error code, which does not exist on NetBSD, using C programming and conditional compilation techniques. This targeted bug fix improved the build process for NetBSD without affecting other platforms, demonstrating careful attention to platform-aware development practices. The work involved cross-platform development skills and a deep understanding of system-level differences, ensuring that the ALSA path remains robust and maintainable across diverse operating systems in the FFmpeg project.