#11211: "select" filter behavior regression (4.4.2 ~) -------------------------------------+------------------------------------- Reporter: John | Owner: (none) Type: defect | Status: new Priority: critical | Component: avfilter Version: 7.0 | Resolution: Keywords: select | Blocked By: regression | Blocking: | Reproduced by developer: 1 Analyzed by developer: 0 | -------------------------------------+------------------------------------- Comment (by MasterQuestionable): ͏ Try input with [https://ffmpeg.org/ffmpeg-filters.html#testsrc2 ͏"testsrc2"]: ͏ `ffmpeg -y -v debug -hide_banner -nostdin -nostats -f lavfi -i "testsrc2=r=1:d=30" -vf "select='eq( n, 0 ) + not( mod( t, 10 ) )'" -compression_level 1 -pred none -pix_fmt rgb24 "%d.png"` ͏ The "`eq( n, 0 ) + `" part appears unnecessary. ͏ Removing only caused the difference for Frame !#1: -[Parsed_select_0] n:0.000000 pts:0.000000 t:0.000000 key:1 interlace_type:P pict_type:I scene:nan -> select:1.000000 select_out:0 +[Parsed_select_0] n:0.000000 pts:0.000000 t:0.000000 key:1 interlace_type:P pict_type:I scene:nan -> select:2.000000 select_out:0 ͏ . ͏ And such difference doesn't seem to matter. -- Ticket URL: <https://trac.ffmpeg.org/ticket/11211#comment:2> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker