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-rw-r--r--libavfilter/vf_decimate.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/libavfilter/vf_decimate.c b/libavfilter/vf_decimate.c
index 4cf0771158..39c3331425 100644
--- a/libavfilter/vf_decimate.c
+++ b/libavfilter/vf_decimate.c
@@ -164,9 +164,12 @@ 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) {
dm->queue[dm->fid].maxbdiff = INT64_MAX;
dm->queue[dm->fid].totdiff = INT64_MAX;