[FFmpeg-cvslog] rv40: perform bitwise checks in loop filter
Christophe Gisquet
git at videolan.org
Sun Apr 29 22:52:27 CEST 2012
ffmpeg | branch: master | Christophe Gisquet <christophe.gisquet at gmail.com> | Tue Apr 17 18:44:51 2012 +0000| [d834ab0f2a5d5689cdd323e935534fda918319ef] | committer: Ronald S. Bultje
rv40: perform bitwise checks in loop filter
Down from 95 kcycles to 93 (including all called functions).
Signed-off-by: Ronald S. Bultje <rsbultje at gmail.com>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d834ab0f2a5d5689cdd323e935534fda918319ef
---
libavcodec/rv40.c | 16 ++++++++--------
1 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/libavcodec/rv40.c b/libavcodec/rv40.c
index 18dd51e..695b029 100644
--- a/libavcodec/rv40.c
+++ b/libavcodec/rv40.c
@@ -431,7 +431,7 @@ static void rv40_loop_filter(RV34DecContext *r, int row)
y_v_deblock &= ~MASK_Y_LEFT_COL;
if(!row)
y_h_deblock &= ~MASK_Y_TOP_ROW;
- if(row == s->mb_height - 1 || (mb_strong[POS_CUR] || mb_strong[POS_BOTTOM]))
+ if(row == s->mb_height - 1 || (mb_strong[POS_CUR] | mb_strong[POS_BOTTOM]))
y_h_deblock &= ~(MASK_Y_TOP_ROW << 16);
/* Calculating chroma patterns is similar and easier since there is
* no motion vector pattern for them.
@@ -448,7 +448,7 @@ static void rv40_loop_filter(RV34DecContext *r, int row)
c_v_deblock[i] &= ~MASK_C_LEFT_COL;
if(!row)
c_h_deblock[i] &= ~MASK_C_TOP_ROW;
- if(row == s->mb_height - 1 || mb_strong[POS_CUR] || mb_strong[POS_BOTTOM])
+ if(row == s->mb_height - 1 || (mb_strong[POS_CUR] | mb_strong[POS_BOTTOM]))
c_h_deblock[i] &= ~(MASK_C_TOP_ROW << 4);
}
@@ -469,7 +469,7 @@ static void rv40_loop_filter(RV34DecContext *r, int row)
0, 0, 0);
}
// filter left block edge in ordinary mode (with low filtering strength)
- if(y_v_deblock & (MASK_CUR << ij) && (i || !(mb_strong[POS_CUR] || mb_strong[POS_LEFT]))){
+ if(y_v_deblock & (MASK_CUR << ij) && (i || !(mb_strong[POS_CUR] | mb_strong[POS_LEFT]))){
if(!i)
clip_left = mvmasks[POS_LEFT] & (MASK_RIGHT << j) ? clip[POS_LEFT] : 0;
else
@@ -480,14 +480,14 @@ static void rv40_loop_filter(RV34DecContext *r, int row)
alpha, beta, betaY, 0, 0, 1);
}
// filter top edge of the current macroblock when filtering strength is high
- if(!j && y_h_deblock & (MASK_CUR << i) && (mb_strong[POS_CUR] || mb_strong[POS_TOP])){
+ if(!j && y_h_deblock & (MASK_CUR << i) && (mb_strong[POS_CUR] | mb_strong[POS_TOP])){
rv40_adaptive_loop_filter(&r->rdsp, Y, s->linesize, dither,
clip_cur,
mvmasks[POS_TOP] & (MASK_TOP << i) ? clip[POS_TOP] : 0,
alpha, beta, betaY, 0, 1, 0);
}
// filter left block edge in edge mode (with high filtering strength)
- if(y_v_deblock & (MASK_CUR << ij) && !i && (mb_strong[POS_CUR] || mb_strong[POS_LEFT])){
+ if(y_v_deblock & (MASK_CUR << ij) && !i && (mb_strong[POS_CUR] | mb_strong[POS_LEFT])){
clip_left = mvmasks[POS_LEFT] & (MASK_RIGHT << j) ? clip[POS_LEFT] : 0;
rv40_adaptive_loop_filter(&r->rdsp, Y, s->linesize, dither,
clip_cur,
@@ -509,7 +509,7 @@ static void rv40_loop_filter(RV34DecContext *r, int row)
clip_cur,
alpha, beta, betaC, 1, 0, 0);
}
- if((c_v_deblock[k] & (MASK_CUR << ij)) && (i || !(mb_strong[POS_CUR] || mb_strong[POS_LEFT]))){
+ if((c_v_deblock[k] & (MASK_CUR << ij)) && (i || !(mb_strong[POS_CUR] | mb_strong[POS_LEFT]))){
if(!i)
clip_left = uvcbp[POS_LEFT][k] & (MASK_CUR << (2*j+1)) ? clip[POS_LEFT] : 0;
else
@@ -519,14 +519,14 @@ static void rv40_loop_filter(RV34DecContext *r, int row)
clip_left,
alpha, beta, betaC, 1, 0, 1);
}
- if(!j && c_h_deblock[k] & (MASK_CUR << ij) && (mb_strong[POS_CUR] || mb_strong[POS_TOP])){
+ if(!j && c_h_deblock[k] & (MASK_CUR << ij) && (mb_strong[POS_CUR] | mb_strong[POS_TOP])){
int clip_top = uvcbp[POS_TOP][k] & (MASK_CUR << (ij+2)) ? clip[POS_TOP] : 0;
rv40_adaptive_loop_filter(&r->rdsp, C, s->uvlinesize, i*8,
clip_cur,
clip_top,
alpha, beta, betaC, 1, 1, 0);
}
- if(c_v_deblock[k] & (MASK_CUR << ij) && !i && (mb_strong[POS_CUR] || mb_strong[POS_LEFT])){
+ if(c_v_deblock[k] & (MASK_CUR << ij) && !i && (mb_strong[POS_CUR] | mb_strong[POS_LEFT])){
clip_left = uvcbp[POS_LEFT][k] & (MASK_CUR << (2*j+1)) ? clip[POS_LEFT] : 0;
rv40_adaptive_loop_filter(&r->rdsp, C, s->uvlinesize, j*8,
clip_cur,
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