[FFmpeg-devel] [PATCH 5/5] lavfi/select/scene: prefer 16B over 8 for SAD.

[Clément Bœsch]

Potentially more ignored data, but doesn't seem to affect the results.
---
 libavfilter/vf_select.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/libavfilter/vf_select.c b/libavfilter/vf_select.c
index baf96a1..c77d74f 100644
--- a/libavfilter/vf_select.c
+++ b/libavfilter/vf_select.c
@@ -211,12 +211,12 @@ static double get_scene_score(AVFilterContext *ctx, AVFilterBufferRef *picref)
         uint8_t *p2 = prev_picref->data[0];
         const int linesize = picref->linesize[0];
 
-        for (y = 0; y < picref->video->h - 8; y += 8) {
-            for (x = 0; x < picref->video->w*3 - 8; x += 8)
-                sad += select->c.sad[1](select, p1 + x, p2 + x,
-                                        linesize, 8);
-            p1 += 8 * linesize;
-            p2 += 8 * linesize;
+        for (y = 0; y < picref->video->h - 16; y += 16) {
+            for (x = 0; x < picref->video->w*3 - 16; x += 16)
+                sad += select->c.sad[0](select, p1 + x, p2 + x,
+                                        linesize, 16);
+            p1 += 16 * linesize;
+            p2 += 16 * linesize;
         }
         emms_c();
         mafd = sad / (picref->video->h * picref->video->w * 3);
-- 
1.7.12.2