ffmpeg -i the.flash.s01e01.mkv -ss 00:12:30 -vframes 1 flash_thumb.png
ffmpeg -i the.flash.s01e01.mkv -c:v libx264 -c:a aac -movflags +faststart flash_s01e01.mp4 the flash s01 ffmpeg
ffmpeg -i the.flash.s01e01.mkv -ss 00:05:20 -t 00:02:00 -c copy flash_clip.mkv ffmpeg -i the
for f in "The.Flash.S01E"*.mkv; do ffmpeg -i "$f" -c:v libx264 -c:a aac "${f%.mkv}.mp4" done Note: Use legal copies you own. Adjust codec names if needed (e.g., libx265 for HEVC). libx265 for HEVC).
