Hi!
Attached patch fixes ticket #4990 concerning the output file.
It is possible that there is nothing to fix though, the input
file is "dirty" and "dupthresh" is not underbid by two visually
identical frames.
Please comment, Carl Eugen
From 195df26b7017448d0bfbbe32f4b1c7c6df8ad26c Mon Sep 17 00:00:00 2001
From: Carl Eugen Hoyos <ceho...@ag.or.at>
Date: Wed, 31 Aug 2016 17:27:06 +0200
Subject: [PATCH] lavfi/decimate: Do not assume a scenechange for the first
frame.
Fixes ticket #4990.
---
libavfilter/vf_decimate.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavfilter/vf_decimate.c b/libavfilter/vf_decimate.c
index 39c3331..d5dccb1 100644
--- a/libavfilter/vf_decimate.c
+++ b/libavfilter/vf_decimate.c
@@ -172,7 +172,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
prv = dm->fid ? (dm->ppsrc ? dm->clean_src[dm->fid - 1] :
dm->queue[dm->fid - 1].frame) : dm->last;
if (!prv) {
dm->queue[dm->fid].maxbdiff = INT64_MAX;
- dm->queue[dm->fid].totdiff = INT64_MAX;
+ dm->queue[dm->fid].totdiff = 0;
} else {
calc_diffs(dm, &dm->queue[dm->fid], prv, in);
}
--
1.7.10.4
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