ffmpeg -i midv912engsub.mkv -c copy -c:s mov_text output_softsub.mp4 For MKV to MKV with subtitles intact:
ffmpeg -i midv912engsub.mkv -c:v libx264 -c:a aac -c:s mov_text output.mp4 If subtitles are image‑based (PGS), burn them in or use MKV as container. midv912engsub convert015856 min
for %%f in (midv*engsub.mkv) do ( ffmpeg -i "%%f" -ss 01:58:56 -c copy "trimmed_%%f" ) ffmpeg -i midv912engsub
| Component | Likely Meaning | |-----------|----------------| | midv912 | Internal identifier or video file name (e.g., midv912.mkv , midv912.mp4 ) | | engsub | English subtitles – either embedded in the container or as an external .srt /.ass file | | convert | Desired action: change format, codec, device compatibility, or trim | | 015856 min | Probably 01:58:56 – a specific time point or duration | midv912engsub convert015856 min
ffmpeg -itsoffset -2.5 -i midv912engsub.srt -c copy shifted.srt (Shifts subs 2.5 seconds earlier – adjust sign as needed.)