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Update aom to commit id f5bdeac22930ff4c6b219be49c843db35970b918

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trav90 2018-10-18 06:04:57 -05:00 • committed by Roy Tam
commit 2ab8fcbfd1
370 changed files with 56185 additions and 32026 deletions
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18
third_party/aom/av1/encoder/cost.c vendored
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@ -65,3 +65,21 @@ void av1_cost_tokens_skip(int *costs, const aom_prob *probs, aom_tree tree) {
costs[-tree[0]] = av1_cost_bit(probs[0], 0);
cost(costs, tree, probs, 2, 0);
}
void av1_cost_tokens_from_cdf(int *costs, const aom_cdf_prob *cdf,
const int *inv_map) {
int i;
aom_cdf_prob prev_cdf = 0;
for (i = 0;; ++i) {
const aom_cdf_prob p15 = AOM_ICDF(cdf[i]) - prev_cdf;
prev_cdf = AOM_ICDF(cdf[i]);
if (inv_map)
costs[inv_map[i]] = av1_cost_symbol(p15);
else
costs[i] = av1_cost_symbol(p15);
// Stop once we reach the end of the CDF
if (cdf[i] == AOM_ICDF(CDF_PROB_TOP)) break;
}
}