ffmpeg -i input.mkv -vf subtitles=input.mkv -c:a copy -c:v libx264 output_burned.mp4
: This is a timestamp or conversion log ID. Following standard date formats, it likely refers to January 30, 2008 . This indicates when the raw file was processed, transcoded, or "converted" into its final digital format (like MP4 or MKV). nsps445engsub convert013008 min
However, given the awkward syntax, I will assume the core need is: ffmpeg -i input
Open in VLC. Jump to 01:30:08 . Do the subtitles match the dialogue? If not, note the offset (e.g., subtitles appear 2 seconds late). If they are perfectly synced at that point but drift elsewhere, you have a framerate mismatch. it likely refers to January 30