ffmpeg | branch: master | Nicolas George <geo...@nsup.org> | Sat Oct 24 19:43:55 2015 +0200| [962727acb4e3c4dff856b48460ddcf747fcfda93] | committer: Nicolas George
lavfi/vf_decimate: do not compare the first frame to itself. This is a waste of computing power and will result to 0, making it always dropped. Use maximum difference values instead. > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=962727acb4e3c4dff856b48460ddcf747fcfda93 --- libavfilter/vf_decimate.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/libavfilter/vf_decimate.c b/libavfilter/vf_decimate.c index cd374c3..8b950b4 100644 --- a/libavfilter/vf_decimate.c +++ b/libavfilter/vf_decimate.c @@ -167,9 +167,12 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in) if (in) { /* update frame metrics */ prv = dm->fid ? dm->queue[dm->fid - 1].frame : dm->last; - if (!prv) - prv = in; - calc_diffs(dm, &dm->queue[dm->fid], prv, in); + if (!prv) { + dm->queue[dm->fid].maxbdiff = INT64_MAX; + dm->queue[dm->fid].totdiff = INT64_MAX; + } else { + calc_diffs(dm, &dm->queue[dm->fid], prv, in); + } if (++dm->fid != dm->cycle) return 0; av_frame_free(&dm->last); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
