I’m afraid the keyword you provided — — does not correspond to a recognizable product, software, video file, or standard technical term.
ffmpeg -ss 02:27:01 -i dveh038.mkv -vf "subtitles=dveh038.mkv:si=0" -c:v libx264 -preset veryfast -crf 18 output_hardsub.mp4 si=0 selects first subtitle stream (English). Golden rules: | Goal | Action | |------|--------| | Faster encoding | Use hardware acceleration (NVENC, QSV, AMF) | | Smaller file | Use CRF (constant rate factor) instead of bitrate | | Subtitle preservation | Keep as soft subtitles (no burn-in) | | Cut from middle | Use -ss before -i for fast seeking | | Batch conversion | Use parallel encoding with ffmpeg -threads auto | Hardware acceleration example (NVIDIA): ffmpeg -ss 02:27:01 -i dveh038.mkv -c:v h264_nvenc -preset p7 -tune hq -cq 18 -c:a copy output_fast_best.mp4 This gives near-minimum time with best quality for H.264. 5. Handling Embedded English Subtitles ( engsub ) To extract engsub to a separate file: dveh038engsub convert022701 min best
ffmpeg -ss 02:27:01 -i dveh038.mkv -c copy -map 0 -map -0:d output_fastest.mkv This takes , not minutes — truly "min best". 6. Common Mistakes When Chasing "Min Best" | Mistake | Consequence | |---------|-------------| | Using -ss after -i | Slower seeking (decodes from start) | | Burning subtitles when not needed | Wastes time, lowers quality if re-encoded | | Choosing -preset placebo | Extremely slow, negligible quality gain | | Ignoring CRF | Poor quality or bloated file size | | Not using hardware encoding | 3–5x slower on modern GPUs | 7. Step-by-Step Workflow for dveh038engsub convert022701 min best Assume you actually have a file named dveh038.mkv with English subtitles, and you need the segment from 00:22:70 (maybe 022701 means 00:22:70.1? Usually HH:MM:SS). I’m afraid the keyword you provided — —