Cross Reference: /external/webp/src/enc/frame

Lines Matching refs:proba
92 // Reset the statistics about: number of skips, token proba, level cost,...
95   VP8EncProba* const proba = &enc->proba_;
96   VP8CalculateLevelCosts(proba);
97   proba->nb_skip_ = 0;
111   VP8EncProba* const proba = &enc->proba_;
113   const int nb_events = proba->nb_skip_;
115   proba->skip_proba_ = CalcSkipProba(nb_events, nb_mbs);
116   proba->use_skip_proba_ = (proba->skip_proba_ < SKIP_PROBA_THRESHOLD);
118   if (proba->use_skip_proba_) {
119     size +=  nb_events * VP8BitCost(1, proba->skip_proba_)
120          + (nb_mbs - nb_events) * VP8BitCost(0, proba->skip_proba_);
133 // Cost of coding 'nb' 1's and 'total-nb' 0's using 'proba' probability.
134 static int BranchCost(int nb, int total, int proba) {
135   return nb * VP8BitCost(1, proba) + (total - nb) * VP8BitCost(0, proba);
139   VP8EncProba* const proba = &enc->proba_;
140   memset(proba->stats_, 0, sizeof(proba->stats_));
143 static int FinalizeTokenProbas(VP8EncProba* const proba) {
151           const proba_t stats = proba->stats_[t][b][c][p];
164           if (use_new_p) {  // only use proba that seem meaningful enough.
165             proba->coeffs_[t][b][c][p] = new_p;
169             proba->coeffs_[t][b][c][p] = old_p;
175   proba->dirty_ = has_changed;
185                       : (255 * a + total / 2) / total;  // rounded proba
761   // Roughly refresh the proba eight times per pass
766   VP8EncProba* const proba = &enc->proba_;
780   assert(proba->use_skip_proba_ == 0);
802         FinalizeTokenProbas(proba);
803         VP8CalculateLevelCosts(proba);  // refresh cost tables for rd-opt
828                                    (const uint8_t*)proba->coeffs_);
858                        (const uint8_t*)proba->coeffs_, 1);