[FFmpeg-cvslog] hevc: Drop unnecessary shifts in deblocking_filter_CTB

[Luca Barbato]

ffmpeg | branch: master | Luca Barbato <lu_zero at gentoo.org> | Wed Feb 19 20:38:53 2014 +0100| [50c988aa6d6c6f0ceb8f922bcea34800b56b85d9] | committer: Luca Barbato

hevc: Drop unnecessary shifts in deblocking_filter_CTB

beta_offset is pre-multiplied by 2.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=50c988aa6d6c6f0ceb8f922bcea34800b56b85d9
---

 libavcodec/hevc_filter.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/libavcodec/hevc_filter.c b/libavcodec/hevc_filter.c
index d3f2ff1..3437fd0 100644
--- a/libavcodec/hevc_filter.c
+++ b/libavcodec/hevc_filter.c
@@ -374,8 +374,8 @@ static void deblocking_filter_CTB(HEVCContext *s, int x0, int y0)
                 const int qp0 = (get_qPy(s, x - 1, y)     + get_qPy(s, x, y)     + 1) >> 1;
                 const int qp1 = (get_qPy(s, x - 1, y + 4) + get_qPy(s, x, y + 4) + 1) >> 1;
 
-                beta[0] = betatable[av_clip(qp0 + (beta_offset >> 1 << 1), 0, MAX_QP)];
-                beta[1] = betatable[av_clip(qp1 + (beta_offset >> 1 << 1), 0, MAX_QP)];
+                beta[0] = betatable[av_clip(qp0 + beta_offset, 0, MAX_QP)];
+                beta[1] = betatable[av_clip(qp1 + beta_offset, 0, MAX_QP)];
                 tc[0]   = bs0 ? TC_CALC(qp0, bs0) : 0;
                 tc[1]   = bs1 ? TC_CALC(qp1, bs1) : 0;
                 src     = &s->frame->data[LUMA][y * s->frame->linesize[LUMA] + (x << s->sps->pixel_shift)];
@@ -439,8 +439,8 @@ static void deblocking_filter_CTB(HEVCContext *s, int x0, int y0)
                 tc_offset   = x >= x0 ? cur_tc_offset : left_tc_offset;
                 beta_offset = x >= x0 ? cur_beta_offset : left_beta_offset;
 
-                beta[0] = betatable[av_clip(qp0 + (beta_offset >> 1 << 1), 0, MAX_QP)];
-                beta[1] = betatable[av_clip(qp1 + (beta_offset >> 1 << 1), 0, MAX_QP)];
+                beta[0] = betatable[av_clip(qp0 + beta_offset, 0, MAX_QP)];
+                beta[1] = betatable[av_clip(qp1 + beta_offset, 0, MAX_QP)];
                 tc[0]   = bs0 ? TC_CALC(qp0, bs0) : 0;
                 tc[1]   = bs1 ? TC_CALC(qp1, bs1) : 0;
                 src     = &s->frame->data[LUMA][y * s->frame->linesize[LUMA] + (x << s->sps->pixel_shift)];