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| author | Deb Mukherjee <debargha@google.com> | 2013-06-11 09:31:33 -0700 |
|---|---|---|
| committer | Deb Mukherjee <debargha@google.com> | 2013-06-11 10:33:07 -0700 |
| commit | a4d906c13228ac79ed83c4c55b18df4698224db9 (patch) | |
| tree | 47028b8aedf7a57ba17e9aa4ff5a56e2660f26a1 /vp9/encoder/vp9_bitstream.c | |
| parent | 551f37d63d508d24dfe071454ca9f38df01c29e9 (diff) | |
| download | libvpx-a4d906c13228ac79ed83c4c55b18df4698224db9.tar libvpx-a4d906c13228ac79ed83c4c55b18df4698224db9.tar.gz libvpx-a4d906c13228ac79ed83c4c55b18df4698224db9.tar.bz2 libvpx-a4d906c13228ac79ed83c4c55b18df4698224db9.zip | |
Minor change in forward updates
Removes the case of coding prob = 0 for forward updates, since that
is not an allowed probability to code.
Slightly improves efficiency but may not matter in practice.
Change-Id: I3b4caf82e8f0891992f0706d4089cc5a27568dba
Diffstat (limited to 'vp9/encoder/vp9_bitstream.c')
| -rw-r--r-- | vp9/encoder/vp9_bitstream.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/vp9/encoder/vp9_bitstream.c b/vp9/encoder/vp9_bitstream.c index 2808571e8..86cd81031 100644 --- a/vp9/encoder/vp9_bitstream.c +++ b/vp9/encoder/vp9_bitstream.c @@ -265,7 +265,7 @@ int count_term_subexp(int word, int k, int num_syms) { static void compute_update_table() { int i; - for (i = 0; i < 255; i++) + for (i = 0; i < 254; i++) update_bits[i] = count_term_subexp(i, SUBEXP_PARAM, 255); } @@ -277,9 +277,11 @@ static int split_index(int i, int n, int modulus) { } static int remap_prob(int v, int m) { - const int n = 256; + const int n = 255; const int modulus = MODULUS_PARAM; int i; + v--; + m--; if ((m << 1) <= n) i = recenter_nonneg(v, m) - 1; else |