Lines Matching refs:diff
74 int diff = i;
76 adiff = FFABS(diff);
77 if (diff < 0)
78 diff--;
83 (av_mod_uintp2(diff, index) << ff_mpeg12_vlc_dc_lum_bits[index]);
88 (av_mod_uintp2(diff, index) << ff_mpeg12_vlc_dc_chroma_bits[index]);
157 static inline void encode_dc(PutBitContext *pb, int diff, int component)
159 unsigned int diff_u = diff + 255;
163 if (diff < 0) {
164 index = av_log2_16bit(-2 * diff);
165 diff--;
167 index = av_log2_16bit(2 * diff);
173 (av_mod_uintp2(diff, index) << ff_mpeg12_vlc_dc_lum_bits[index]));
178 (av_mod_uintp2(diff, index) << ff_mpeg12_vlc_dc_chroma_bits[index]));
182 speedhq_lum_dc_uni[diff + 255] & 0xFF,
183 speedhq_lum_dc_uni[diff + 255] >> 8);
186 speedhq_chr_dc_uni[diff + 255] & 0xFF,
187 speedhq_chr_dc_uni[diff + 255] >> 8);