RepoMirrors
/
ffmpeg
mirror of https://git.ffmpeg.org/ffmpeg.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

hevc: Drop unnecessary shifts in deblocking_filter_CTB 

beta_offset is pre-multiplied by 2.
This commit is contained in:
Luca Barbato 2014-02-19 20:38:53 +01:00
parent 1db03a6864
commit 50c988aa6d
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
libavcodec/hevc_filter.c
View File

@ -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)];