[FFmpeg-devel] [PATCH 2/3] lavfi/overlay: simpler up-rounded w/h computations.
Clément Bœsch
ubitux at gmail.com
Tue May 7 16:39:32 CEST 2013
---
libavfilter/vf_overlay.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/libavfilter/vf_overlay.c b/libavfilter/vf_overlay.c
index 1681979..ce1b10b 100644
--- a/libavfilter/vf_overlay.c
+++ b/libavfilter/vf_overlay.c
@@ -478,10 +478,10 @@ static void blend_image(AVFilterContext *ctx,
for (i = 0; i < 3; i++) {
int hsub = i ? over->hsub : 0;
int vsub = i ? over->vsub : 0;
- int src_wp = FFALIGN(src_w, 1<<hsub) >> hsub;
- int src_hp = FFALIGN(src_h, 1<<vsub) >> vsub;
- int dst_wp = FFALIGN(dst_w, 1<<hsub) >> hsub;
- int dst_hp = FFALIGN(dst_h, 1<<vsub) >> vsub;
+ int src_wp = ROUNDED_RSHIFT(src_w, hsub);
+ int src_hp = ROUNDED_RSHIFT(src_h, vsub);
+ int dst_wp = ROUNDED_RSHIFT(dst_w, hsub);
+ int dst_hp = ROUNDED_RSHIFT(dst_h, vsub);
int yp = y>>vsub;
int xp = x>>hsub;
uint8_t *s, *sp, *d, *dp, *a, *ap;
--
1.8.2.2
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