static inline void idct_col(int16_t *blk, const uint8_t *quant) { int t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, tA, tB, tC, tD, tE, tF; int t10, t11, t12, t13; int s0, s1, s2, s3, s4, s5, s6, s7; s0 = (int) blk[0 * 8] * quant[0 * 8]; s1 = (int) blk[1 * 8] * quant[1 * 8]; s2 = (int) blk[2 * 8] * quant[2 * 8]; s3 = (int) blk[3 * 8] * quant[3 * 8]; s4 = (int) blk[4 * 8] * quant[4 * 8]; s5 = (int) blk[5 * 8] * quant[5 * 8]; s6 = (int) blk[6 * 8] * quant[6 * 8]; s7 = (int) blk[7 * 8] * quant[7 * 8]; t0 = (s3 * 19266 + s5 * 12873) >> 15; t1 = (s5 * 19266 - s3 * 12873) >> 15; t2 = ((s7 * 4520 + s1 * 22725) >> 15) - t0; t3 = ((s1 * 4520 - s7 * 22725) >> 15) - t1; t4 = t0 * 2 + t2; t5 = t1 * 2 + t3; t6 = t2 - t3; t7 = t3 * 2 + t6; t8 = (t6 * 11585) >> 14; t9 = (t7 * 11585) >> 14; tA = (s2 * 8867 - s6 * 21407) >> 14; tB = (s6 * 8867 + s2 * 21407) >> 14; tC = (s0 >> 1) - (s4 >> 1); tD = (s4 >> 1) * 2 + tC; tE = tC - (tA >> 1); tF = tD - (tB >> 1); t10 = tF - t5; t11 = tE - t8; t12 = tE + (tA >> 1) * 2 - t9; t13 = tF + (tB >> 1) * 2 - t4; blk[0 * 8] = t13 + t4 * 2; blk[1 * 8] = t12 + t9 * 2; blk[2 * 8] = t11 + t8 * 2; blk[3 * 8] = t10 + t5 * 2; blk[4 * 8] = t10; blk[5 * 8] = t11; blk[6 * 8] = t12; blk[7 * 8] = t13; }