Lines Matching defs:diff
666 static inline void encode_dc(MpegEncContext *s, int diff, int component)
668 unsigned int diff_u = diff + 255;
672 if (diff < 0) {
673 index = av_log2_16bit(-2 * diff);
674 diff--;
676 index = av_log2_16bit(2 * diff);
682 av_mod_uintp2(diff, index));
687 av_mod_uintp2(diff, index));
691 mpeg1_lum_dc_uni[diff + 255] & 0xFF,
692 mpeg1_lum_dc_uni[diff + 255] >> 8);
695 mpeg1_chr_dc_uni[diff + 255] & 0xFF,
696 mpeg1_chr_dc_uni[diff + 255] >> 8);
702 int alevel, level, last_non_zero, dc, diff, i, j, run, last_index, sign;
712 diff = dc - s->last_dc[component];
713 encode_dc(s, diff, component);
1080 int diff = i;
1082 adiff = FFABS(diff);
1083 if (diff < 0)
1084 diff--;
1089 av_mod_uintp2(diff, index);
1094 av_mod_uintp2(diff, index);