MP4(3)

πŸ“¦ version 2.1.0, in fedora 43, fedora 44

πŸŽ€ MP4(3) β€” the MP4 File Format Library, bestie edition πŸŽ€

okay so you're in the MP4 File Format Library section 3 pages, and today's main character is MP4GetVideoProfileLevel β€” it tells you the minimum MPEG-4 video profile and level you'd need to actually render what's inside a file. she's a getter, she's chill, she does not change anything. πŸ’…


✨ NAME ✨

MP4GetVideoProfileLevel β€” gets the minimum MPEG-4 video profile and level required to render the contents of the file πŸ¦‹


✨ SYNTAX ✨

#include <mp4.h>

u_int8_t MP4GetVideoProfileLevel(
        MP4FileHandle hFile
)

yes she returns a u_int8_t. tiny but mighty. 🫢


✨ ARGUMENTS ✨

  • hFile β€” the mp4 file you want this operation to apply to. that's it. that's the whole argument list. one job, done gorgeously. ✨

✨ RETURN VALUES ✨

it hands you back the current video profile/level for the file. and if you're sitting there like "okay but what do the numbers mean" β€” bestie, go read MP4SetVideoProfileLevel(), that's where the known values live. iykyk. πŸ’–


✨ DESCRIPTION ✨

so real talk: MP4GetVideoProfileLevel returns the minimum profile/level of MPEG-4 video support necessary to render the contents of the file</font>. like, the floor. the bare minimum decoder energy this file demands before it will show you anything. no cap. πŸ”₯

think of it as a vibe check for the file: how much video muscle do you need? πŸ‘‘


✨ SEE ALSO ✨

go read the setter too, they're a matched set fr fr πŸ’œ


Cisco Systems Inc. Β· Version 0.9 Β· and this whole page is filed under MP4(3) β€” mwah, thanks for reading, drink some water and go touch a file descriptor πŸŒΈπŸ’–βœ¨

πŸ“¦ where this page comes from