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Searched refs:f_stepsize (Results 1 – 3 of 3) sorted by relevance

/third_party/ffmpeg/libavcodec/
Djpeg2000.c210 band->f_stepsize = 1; in init_band_stepsize()
226 band->f_stepsize = ff_exp2fi(gain - qntsty->expn[gbandno]); in init_band_stepsize()
227 band->f_stepsize *= qntsty->mant[gbandno] / 2048.0 + 1.0; in init_band_stepsize()
230 band->f_stepsize = 0; in init_band_stepsize()
239 band->f_stepsize *= F_LFTG_X * 2; in init_band_stepsize()
243 band->f_stepsize *= F_LFTG_X * F_LFTG_X * 4; in init_band_stepsize()
247 … band->f_stepsize *= pow(F_LFTG_K, 2*(codsty->nreslevels2decode - reslevelno) + lband - 2); in init_band_stepsize()
251 if (band->f_stepsize > (INT_MAX >> 15)) { in init_band_stepsize()
252 band->f_stepsize = 0; in init_band_stepsize()
256 band->i_stepsize = band->f_stepsize * (1 << 15); in init_band_stepsize()
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Djpeg2000.h206 float f_stepsize; // quantization stepsize member
Djpeg2000dec.c1860 datap[i] = src[i] * band->f_stepsize; in dequantization_float()