QSCale/CBR mode, or changing QScale by more than 1 step at a time).īit rate is adjusted in sub_FF1AAD00(width, fps, Sv) from CompressionRateAdjuster.c (550d/108).Ĭomparison: CBR1.8 vs CBR1.0, by PICMENTION Changing certain settings during recording will result in ERR70 (e.g. Some of these settings are only read when starting recording (like OptSize parameters) or continuously during recording (like QScale). VBR (QS57rytrure named mvr_config (dryos.h) or AJ_Movie_CompressionRate_struct (0圆7BC in 550D).H.264 encoder works in two quality modes, selectable with mvrFixQScale(int16_t *).