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-rw-r--r--video/out/vo.c1
-rw-r--r--video/out/vo.h2
2 files changed, 3 insertions, 0 deletions
diff --git a/video/out/vo.c b/video/out/vo.c
index 68af6a38c8..ae5eca7ba5 100644
--- a/video/out/vo.c
+++ b/video/out/vo.c
@@ -716,6 +716,7 @@ static bool render_frame(struct vo *vo)
.pts = pts,
.next_vsync = next_vsync,
.prev_vsync = prev_vsync,
+ .vsync_offset = next_vsync - pts,
.frame = img,
.num_future_frames = num_future_frames,
.future_frames = future_frames,
diff --git a/video/out/vo.h b/video/out/vo.h
index 51c7816920..3d36269d26 100644
--- a/video/out/vo.h
+++ b/video/out/vo.h
@@ -160,6 +160,8 @@ struct frame_timing {
// Realtime of estimated previous and next vsync events.
int64_t next_vsync;
int64_t prev_vsync;
+ // "ideal" display time within the vsync
+ int64_t vsync_offset;
// The current frame to be drawn. NULL means redraw previous frame
// (e.g. repeated frames).
// (Equivalent to the mp_image parameter of draw_image_timed, until the