aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorDavid Conrad <lessen42@gmail.com>2010-07-24 22:44:31 -0400
committerMichael Niedermayer <michaelni@gmx.at>2011-10-27 00:00:29 +0200
commit748f921ad1997a464fb8963d0ba2c5bb5e036b1b (patch)
tree6de344344829d00ebe599ff36131fa9be0776b29
parentba3830e8a338eee766271fc8c47baaa0d70d7492 (diff)
downloadffmpeg-748f921ad1997a464fb8963d0ba2c5bb5e036b1b.tar.gz
VP8: Unroll decoding segment update
-rw-r--r--libavcodec/vp8.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/libavcodec/vp8.c b/libavcodec/vp8.c
index 8c0380315e..9b07608078 100644
--- a/libavcodec/vp8.c
+++ b/libavcodec/vp8.c
@@ -627,9 +627,10 @@ void decode_mb_mode(VP8Context *s, VP8Macroblock *mb, int mb_x, int mb_y, uint8_
{
VP56RangeCoder *c = &s->c;
- if (s->segmentation.update_map)
- *segment = vp8_rac_get_tree(c, vp8_segmentid_tree, s->prob->segmentid);
- else
+ if (s->segmentation.update_map) {
+ int bit = vp56_rac_get_prob(c, s->prob->segmentid[0]);
+ *segment = vp56_rac_get_prob(c, s->prob->segmentid[1+bit]) + 2*bit;
+ } else
*segment = ref ? *ref : *segment;
s->segment = *segment;