add ww1 effect - annna - Annna the nice friendly bot.
 (HTM) git clone git://bitreich.org/annna/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws65d7roiv6bfj7d652fid.onion/annna/
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       ---
 (DIR) commit aea4adb57340b806d9743d488941ab47dcecb7c3
 (DIR) parent 82ec16594549e91c688363246bf139370c61816e
 (HTM) Author: Anders Damsgaard <anders@adamsgaard.dk>
       Date:   Fri,  9 Jul 2021 13:31:17 +0200
       
       add ww1 effect
       
       Signed-off-by: Annna Robert-Houdin <annna@bitreich.org>
       
       Diffstat:
         M annna-message-common                |       1 +
         M ffmpeg-effect                       |       4 +++-
       
       2 files changed, 4 insertions(+), 1 deletion(-)
       ---
 (DIR) diff --git a/annna-message-common b/annna-message-common
       @@ -676,6 +676,7 @@ case "${text}" in
        "${botname}, please loop #"*|\
        "${botname}, please bounce #"*|\
        "${botname}, please sexify #"*|\
       +"${botname}, please ww1 #"*|\
        "${botname}, please mow #"*|\
        "${botname}, please doomify #"*|\
        "${botname}, please scrollify #"*|\
 (DIR) diff --git a/ffmpeg-effect b/ffmpeg-effect
       @@ -9,7 +9,7 @@ repeats=5
        usage() {
                printf 'usage: %s [-n REPEATS] FILTER infile outfile\n' "${0##*/}" 1>&2
                printf 'where FILTER is one of: wide, thin, speedup, ' 1>&2
       -        printf 'slowdown, reverse, loop, bounce, sexify, doomify, sendtohell, amsterdamify, mow.\n' 1>&2
       +        printf 'slowdown, reverse, loop, bounce, sexify, ww1, doomify, sendtohell, amsterdamify, mow.\n' 1>&2
                printf 'For loop and bounce, option -n sets the number of repeats (default %d).\n' "$repeats" 1>&2
                exit 1
        }
       @@ -89,6 +89,8 @@ process_filter() {
                                $ffmpeg_common -i "$2" \
                                        -filter_complex "[0]reverse[r];[0][r]concat,loop=${repeats}:250,setpts=N/25/TB" -an \
                                        "$3" </dev/null;;
       +                ww1)
       +                        mix_audio "${mediadir}/ww1.mp3" "$2" "$3";;
                        sexify)
                                mix_audio "${mediadir}/careless_whisper.mp3" "$2" "$3";;
                        doomify)