[Libav-user] Quantization parameter of MB

Carl Eugen Hoyos ceffmpeg at gmail.com
Sat Mar 16 17:32:21 EET 2019


Am Fr., 15. März 2019 um 09:29 Uhr schrieb NDJORE BORIS <ndjoreboris at gmail.com>:

> Can someone tell me  what is the libav structure élément or function
> that can give me the quatization parameter of each macroblock in a frame,
> please? I need for this value. Since macroblock is not a structure I don't
> know how to have the quantization parameter associated to each MBs in
> a given  frame.

Did you look at MpegEncContext in libavcodec/mpegvideo.h?

Carl Eugen


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