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New intra mode and partitioning probabilities.

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Split partition probabilities between keyframes and non-keyframes,
since they are fairly different. Also have per-blocksize interframe
y intramode probabilities, since these vary heavily between different
blocksizes.

Lastly, replace default probabilities for partitioning and intra modes
with new ones generated from current codec. Replace counts with actual
probabilities also.

Change-Id: I77ca996e25e4a28e03bdbc542f27a3e64ca1234f
This commit is contained in:
Ronald S. Bultje
2013-06-03 10:39:40 -07:00
parent d03e974fbd
commit ad34368786
12 changed files with 257 additions and 209 deletions
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4
vp9/decoder/vp9_decodframe.c
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@@ -474,7 +474,7 @@ static void decode_modes_sb(VP9D_COMP *pbi, int mi_row, int mi_col,
xd->above_seg_context = pc->above_seg_context + mi_col;
pl = partition_plane_context(xd, bsize);
partition = treed_read(r, vp9_partition_tree,
pc->fc.partition_prob[pl]);
pc->fc.partition_prob[pc->frame_type][pl]);
pc->fc.partition_counts[pl][partition]++;
}
@@ -757,7 +757,7 @@ static void update_frame_context(FRAME_CONTEXT *fc) {
vp9_copy(fc->pre_coef_probs, fc->coef_probs);
vp9_copy(fc->pre_y_mode_prob, fc->y_mode_prob);
vp9_copy(fc->pre_uv_mode_prob, fc->uv_mode_prob);
vp9_copy(fc->pre_partition_prob, fc->partition_prob);
vp9_copy(fc->pre_partition_prob, fc->partition_prob[1]);
fc->pre_nmvc = fc->nmvc;
vp9_copy(fc->pre_switchable_interp_prob, fc->switchable_interp_prob);
vp9_copy(fc->pre_inter_mode_probs, fc->inter_mode_probs);