Four bugs in GStreamer’s shmsink/shmsrc elements — a race condition, a use-after-free, a wrong-pointer dereference, and a page alignment mismatch. What they have in common, how to find them, and what they teach about writing correct GStreamer elements.
A 2-line fix for a race condition in GStreamer’s shmsink that causes every pipeline using shared memory to exit with an error. How I found it, proved it, and verified the fix with sanitizers.
How we built a GStreamer plugin suite for zero-copy NVMM video on NVIDIA Jetson, the bugs we hit along the way, and what it takes to contribute to the GStreamer project — from filing issues to getting an MR merged.
A detailed technical account of containerizing a Unity 2019.4 drone simulation with GPU-accelerated rendering, dual RTSP camera streaming via FFmpeg/mediamtx, and MAVLink drone control — including every obstacle encountered and how it was solved.