ffmpeg -i outlander_s03e01.mkv -vf "subtitles=outlander_s03e01.mkv:si=0" -c:a copy burned.mp4 Change si=0 to the correct subtitle stream index. Notice dialogue drifting? Check the audio delay with:
December 2024
for f in outlander_s03e*.mkv; do ffmpeg -i "$f" -c:v libx265 -crf 23 -c:a aac -b:a 96k "$f%.mkv_mobile.mp4" done