[FFmpeg-devel] [PATCH 11/12] vp9: clamp segmented lflvl before applying ref/mode deltas.

Ronald S. Bultje rsbultje at gmail.com
Fri May 15 21:43:56 CEST 2015


---
 libavcodec/vp9.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavcodec/vp9.c b/libavcodec/vp9.c
index 8b1ef67..bc88bf9 100644
--- a/libavcodec/vp9.c
+++ b/libavcodec/vp9.c
@@ -800,9 +800,9 @@ static int decode_frame_header(AVCodecContext *ctx,
         sh = s->filter.level >= 32;
         if (s->segmentation.feat[i].lf_enabled) {
             if (s->segmentation.absolute_vals)
-                lflvl = s->segmentation.feat[i].lf_val;
+                lflvl = av_clip_uintp2(s->segmentation.feat[i].lf_val, 6);
             else
-                lflvl = s->filter.level + s->segmentation.feat[i].lf_val;
+                lflvl = av_clip_uintp2(s->filter.level + s->segmentation.feat[i].lf_val, 6);
         } else {
             lflvl  = s->filter.level;
         }
-- 
2.1.2



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