Source-built shared FFmpeg private QA candidate; public redistribution is NOT APPROVED.
producer=https://github.com/huntian0727/movie/actions/runs/38134981406
producer-ci-conclusion=FAIL; original map retained, local system-import verification recorded separately.
sources-sha256=3e242199da78c68939ebcbc8bb70bae4c2e57102b7aadc5ceb6b54317880e70a
See resources/legal/NATIVE-SOURCE-CANDIDATE.md and NATIVE-SOURCE-CANDIDATE-NOTICES.txt.
