mistserver

Fix socket address checks for non-true sockets and ffmpeg filter graph spacing

Add CasparCG-compatible HTML overlay and stinger support to Composer

Clean up srt_epoll instance on SRT socket close

LSP: metadata table: properly remove columns for tracks that have been dropped and rewrite entries to use track id rather than track name (which can change when fps changes)

Change default track output masking for raw tracks to include processes and exclude pushes