: Rebuilding the MP4 container structure to ensure the MOOV atom is placed at the beginning of the file (Fast Start) for smoother streaming.
This document describes the diagnosis and resolution of issue jufe569mp4: an intermittent crash and corrupted output when processing MP4 input streams under concurrent decoding. We present root-cause analysis, the implemented fix, testing methodology, and validation results demonstrating restored stability and correctness with minimal performance impact. jufe569mp4 fixed