(WIP) vo_placebo: switch from ZOH to nearest neighbour

In the still frame path. Otherwise, this really messes up frame-stepping.
mpv-player · May 5, 2021 · 5a78c03 · 5a78c03
1 parent deeb55a
commit 5a78c03
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/video/out/vo_placebo.c b/video/out/vo_placebo.c
@@ -450,11 +450,14 @@ static void draw_frame(struct vo *vo, struct vo_frame *frame)
         }
 
         if (frame->still && mix.num_frames) {
-            // Recreate ZOH semantics on this frame mix
-            while (mix.num_frames > 1 && mix.timestamps[1] <= 0.0) {
+            double best = fabs(mix.timestamps[0]);
+            // Recreate nearest neighbour semantics on this frame mix
+            while (mix.num_frames > 1 && fabs(mix.timestamps[1]) < best) {
+                best = fabs(mix.timestamps[1]);
                 mix.frames++;
                 mix.signatures++;
                 mix.timestamps++;
+                mix.num_frames--;
             }
             mix.num_frames = 1;
         }