Examples Operating Systems Microsoft Windows Apple macOS Apple iOS OEM Android ROMs Device Drivers Proprietary OS Most Drivers Linux Vendor BLOBs Media Formats and Containers Video Paid Patented Formats CCITT (now ITU-T) H.120 ITU-T H.261 MJPEG DV MJPEG 2000 ITU-T H.262 ITU-T H.263 / MPEG-4 Part 2 ITU-T H.264 / MPEG-4 Part 10 / AVC ITU-T H.265 / MPEG-H Part 2 / HEVC ITU-T H.266 / VVC DNxHD Apple ProRes Paid Patented Containers MP4 Audio Paid Patented Formats MP3 (Patent Expired) AAC Paid Patented Containers MP3 AAC Generic Software The problem is that we become dependent on them, but we will have to use it according to the whims of the developer who may forcibly update it to obtain support