Lines Matching refs:histo
116 static int GetAlpha(const VP8Histogram* const histo) {
121 const int value = histo->distribution[k];
153 // 'int' type is ok for histo, and won't overflow
246 VP8Histogram histo = { { 0 } };
251 0, 16, &histo);
252 alpha = GetAlpha(&histo);
290 cur_histo ^= 1; // keep track of best histo so far.
315 VP8Histogram histo = { { 0 } };
319 16, 16 + 4 + 4, &histo);
320 alpha = GetAlpha(&histo);
