}
format->yuvi = -1; // -1: no frame valid yet, write into 0
- FindFraction(cls.capturevideo.framerate, &num, &denom, 1001);
+ FindFraction(cls.capturevideo.framerate / cls.capturevideo.framestep, &num, &denom, 1001);
ti.fps_numerator = num;
ti.fps_denominator = denom;