[Project]_[Date]_[StartTime]_[Duration]_[SubtitleFlag].mp4
ffmpeg -version Since the filename contains engsub , you have three choices when converting: cawd764engsub convert025654 min work
To check existing subtitle streams:
| Method | Output | Best for | |--------|--------|----------| | | Keep soft subtitles as separate track | Preserve original quality & subtitle flexibility | | Burn-in (hardcode) | Subtitles become part of video image | Players that don’t support soft subs (TVs, some mobile) | | Extract | Save subtitles as .srt or .ass | Editing or translating subs separately | [Project]_[Date]_[StartTime]_[Duration]_[SubtitleFlag]
# Windows batch example set INPUT=cawd764engsub.mkv set START=02:56:54 set OUTPUT=processed_%START%.mp4 ffmpeg -ss %START% -i %INPUT% -vf "subtitles=%INPUT%" -c:v libx264 -c:a aac %OUTPUT% For multiple files with engsub in name: cawd764engsub convert025654 min work