[FFmpeg-devel] [PATCH 2/2] avfilter/vf_decimate: Use the correct frame in difference calculation

[Michael Niedermayer]

From: Michael Niedermayer <michael at niedermayer.cc>

Fixes Ticket4964

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
 libavfilter/vf_decimate.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/libavfilter/vf_decimate.c b/libavfilter/vf_decimate.c
index a563859..9f382ae 100644
--- a/libavfilter/vf_decimate.c
+++ b/libavfilter/vf_decimate.c
@@ -164,9 +164,13 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
         return 0;
     dm->got_frame[INPUT_MAIN] = dm->got_frame[INPUT_CLEANSRC] = 0;
 
+    if (dm->ppsrc)
+        in = dm->clean_src[dm->fid];
+
     if (in) {
         /* update frame metrics */
-        prv = dm->fid ? dm->queue[dm->fid - 1].frame : dm->last;
+        prv = dm->fid ? (dm->ppsrc ? dm->clean_src[dm->fid - 1] : dm->queue[dm->fid - 1].frame) : dm->last;
+
         if (!prv)
             prv = in;
         calc_diffs(dm, &dm->queue[dm->fid], prv, in);
-- 
1.7.9.5