avfilter/vf_idet: add a "half_life" option for statistics

This can be useful for videos in which the interlacing pattern changes.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 6 insertions, 2 deletions

diff --git a/libavfilter/vf_idet.h b/libavfilter/vf_idet.h
index 57332dfbdd..05aa1e0506 100644
--- a/libavfilter/vf_idet.h
+++ b/libavfilter/vf_idet.h
@@ -37,10 +37,14 @@ typedef struct {
     const AVClass *class;
     float interlace_threshold;
     float progressive_threshold;
+    float half_life;
+    uint64_t decay_coefficient;
 
     Type last_type;
-    int prestat[4];
-    int poststat[4];
+    uint64_t prestat[4];
+    uint64_t poststat[4];
+    uint64_t total_prestat[4];
+    uint64_t total_poststat[4];
 
     uint8_t history[HIST_SIZE];