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| author | Jingning Han <jingning@google.com> | 2016-07-06 12:46:48 -0700 |
|---|---|---|
| committer | Jingning Han <jingning@google.com> | 2016-07-07 12:25:33 -0700 |
| commit | 44354ee7bfa01caf97e6c0a92c4a39c474fa5a7e (patch) | |
| tree | 85e6598a44999fb6e7b2bef8cc4fa23a67c2270a /vp9/encoder | |
| parent | 62aa642d71bbbdc72dc01da4fb0416be550cd2e2 (diff) | |
| download | libvpx-44354ee7bfa01caf97e6c0a92c4a39c474fa5a7e.tar libvpx-44354ee7bfa01caf97e6c0a92c4a39c474fa5a7e.tar.gz libvpx-44354ee7bfa01caf97e6c0a92c4a39c474fa5a7e.tar.bz2 libvpx-44354ee7bfa01caf97e6c0a92c4a39c474fa5a7e.zip | |
Use precise context to estimate coeff rate cost
Use the precise context to estimate the zero token cost in trellis
optimization process. This improves the speed 0 coding performance
by 0.15% for lowres and 0.1% for midres. It improves the speed 1
coding performance by 0.2% for midres and hdres.
Change-Id: I59c7c08702fc79dc4f8534b64ca594da909e2c91
Diffstat (limited to 'vp9/encoder')
| -rw-r--r-- | vp9/encoder/vp9_encodemb.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/vp9/encoder/vp9_encodemb.c b/vp9/encoder/vp9_encodemb.c index 4f031d045..171cc1178 100644 --- a/vp9/encoder/vp9_encodemb.c +++ b/vp9/encoder/vp9_encodemb.c @@ -314,17 +314,18 @@ int vp9_optimize_b(MACROBLOCK *mb, int plane, int block, * add a new trellis node, but we do need to update the costs. */ band = band_translate[i + 1]; + pt = get_coef_context(nb, token_cache, i + 1); t0 = tokens[next][0].token; t1 = tokens[next][1].token; /* Update the cost of each path if we're past the EOB token. */ if (t0 != EOB_TOKEN) { tokens[next][0].rate += - mb->token_costs[tx_size][type][ref][band][1][0][t0]; + mb->token_costs[tx_size][type][ref][band][1][pt][t0]; tokens[next][0].token = ZERO_TOKEN; } if (t1 != EOB_TOKEN) { tokens[next][1].rate += - mb->token_costs[tx_size][type][ref][band][1][0][t1]; + mb->token_costs[tx_size][type][ref][band][1][pt][t1]; tokens[next][1].token = ZERO_TOKEN; } best_index[i][0] = best_index[i][1] = 0; |