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| author | Alex Converse <aconverse@google.com> | 2016-02-17 13:39:44 -0800 |
|---|---|---|
| committer | Alex Converse <aconverse@google.com> | 2016-02-17 14:46:26 -0800 |
| commit | 09f9c5d7f90bd19dfc1994926a6e35680ba9545c (patch) | |
| tree | 4b885467bbbd25a070ac47459e586e608b8b7073 /vp9/common/vp9_entropy.c | |
| parent | fdc977afc6b431c7577e70d151f89ea726bcaf8f (diff) | |
| download | libvpx-09f9c5d7f90bd19dfc1994926a6e35680ba9545c.tar libvpx-09f9c5d7f90bd19dfc1994926a6e35680ba9545c.tar.gz libvpx-09f9c5d7f90bd19dfc1994926a6e35680ba9545c.tar.bz2 libvpx-09f9c5d7f90bd19dfc1994926a6e35680ba9545c.zip | |
Better workaround for Bug 1089.
Don't initialize first pass costs for a number of symbols where first
pass probabilities aren't initialized.
This brings a 1.22x first pass speedup.
https://bugs.chromium.org/p/webm/issues/detail?id=1089
Change-Id: I97438c357bd88f52f5a15c697031cf0c3cc8f510
Diffstat (limited to 'vp9/common/vp9_entropy.c')
| -rw-r--r-- | vp9/common/vp9_entropy.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/vp9/common/vp9_entropy.c b/vp9/common/vp9_entropy.c index fc022093c..7b490af34 100644 --- a/vp9/common/vp9_entropy.c +++ b/vp9/common/vp9_entropy.c @@ -728,10 +728,8 @@ static const vp9_coeff_probs_model default_coef_probs_32x32[PLANE_TYPES] = { }; static void extend_to_full_distribution(vpx_prob *probs, vpx_prob p) { - // TODO(aconverse): model[PIVOT_NODE] should never be zero. - // https://code.google.com/p/webm/issues/detail?id=1089 - memcpy(probs, vp9_pareto8_full[p == 0 ? 254 : p - 1], - MODEL_NODES * sizeof(vpx_prob)); + assert(p != 0); + memcpy(probs, vp9_pareto8_full[p - 1], MODEL_NODES * sizeof(vpx_prob)); } void vp9_model_to_full_probs(const vpx_prob *model, vpx_prob *full) { |