Re-encoded "Baby Princess 3D Paradise 0 (Love) \[3D-HSBS\]\[BD\]\[1080p-AAC\]\[FBI subs\]" to play on the 3DS. The frame rate (20fps) and A/V quality is the best you're going to get while still having it work on the system. Encoding settings (most 3DS video guides don't work from using "-s 800x240" separate from the other video filters causing it to be ignored): ffmpeg -y -i "3D.mkv" -r 20 -aspect 10:6 -vcodec mjpeg -qscale 1 -filter:v "subtitles=3D.mkv, scale=800:240, crop=400:240:0:0" -acodec pcm\_s16le -ac 2 new\_l.avi ffmpeg -y -i "3D.mkv" -r 20 -aspect 10:6 -vcodec mjpeg -qscale 1 -vf "subtitles=3D.mkv, scale=800:240, crop=400:240:400:0" -an new\_r.avi ffmpeg -y -i new\_l.avi -i new\_r.avi -vcodec copy -acodec adpcm\_ima\_wav -ar 22050 -ab 32 -ac 2 -vcodec copy -map 0:0 -map 0:1 -map 1:0 -ss 00:00:00 -t 00:09:59.90 BPP\_0001.AVI ffmpeg -y -i new\_l.avi -i new\_r.avi -vcodec copy -acodec adpcm\_ima\_wav -ar 22050 -ab 32 -ac 2 -vcodec copy -map 0:0 -map 0:1 -map 1:0 -ss 00:10:00 -t 00:09:59.90 BPP\_0002.AVI ffmpeg -y -i new\_l.avi -i new\_r.avi -vcodec copy -acodec adpcm\_ima\_wav -ar 22050 -ab 32 -ac 2 -vcodec copy -map 0:0 -map 0:1 -map 1:0 -ss 00:20:00 -t 00:09:59.90 BPP\_0003.AVI