ffmpeg -i input.mkv -c:v libx264 -crf 18 -preset slow -c:a copy output.mp4 | Platform | Codec used | H.264 support | |----------|------------|----------------| | Netflix | H.264 / H.265 | Yes | | HBO Max / Max | H.264 | Yes | | Amazon Prime | H.264 | Yes | | iTunes | H.264 | Yes | | DVD/Blu-ray | MPEG-2 / H.264 | Yes | All legal streaming services provide H.264 video, which any OpenH264 decoder can play – but they don’t actually use OpenH264 themselves. 8. Quick reference – Commands & tools Check codec of your S03 file mediainfo "Young Sheldon S03E01.mkv"
(if you really want to) ffmpeg -i input.mkv -c:v libopenh264 -b:v 1500k -c:a copy output.mp4 young sheldon s03 openh264
If your file requires OpenH264 and you have playback issues, install the Cisco OpenH264 plugin or re-encode to x264. ffmpeg -i input