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add more video meme filters and split into separate script - annna - Annna the … |
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git clone git://bitreich.org/annna/ git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws6… |
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--- |
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commit 63e3baa4192174b82f3376aebd2a9b13c6949ac7 |
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parent 8f1461a7105aabe20dfed0162b5f967fccc12a10 |
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Author: Anders Damsgaard <[email protected]> |
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Date: Tue, 18 May 2021 21:52:21 +0200 |
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add more video meme filters and split into separate script |
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Signed-off-by: Annna Robert-Houdin <[email protected]> |
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Diffstat: |
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M annna-message-common | 20 ++++++++++++-------- |
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A ffmpeg-effect | 76 +++++++++++++++++++++++++++++… |
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2 files changed, 88 insertions(+), 8 deletions(-) |
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--- |
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diff --git a/annna-message-common b/annna-message-common |
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@@ -652,16 +652,20 @@ case "${text}" in |
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"${botname}, bonjour !") |
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annna-say -c "${channel}" "${user}, bonjour !" |
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;; |
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-"${botname}, please widen #"*) |
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- hashtag="$(printf "%s\n" "${text}" | cut -c 22-)" |
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+"${botname}, please widen #"*|\ |
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+"${botname}, please thin #"*|\ |
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+"${botname}, please speedup #"*|\ |
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+"${botname}, please slowdown #"*|\ |
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+"${botname}, please reverse #"*|\ |
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+"${botname}, please loop #"*|\ |
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+"${botname}, please bounce #"*) |
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+ hashtag="$(printf "%s\n" "${text}" | sed 's/.*#//' )" |
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origext="$(grep -E "^#${hashtag} " "${hashtagfile}" | sed 's/.*\.//')" |
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- widefile="wide-${hashtag}.mkv" |
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{ |
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- if ffmpeg -n -i "/br/gopher/memecache/${hashtag}.${origext}" \ |
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- -vf "scale=iw*4:ih,crop=iw/4:ih:iw/4:ih,setsar=1" \ |
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- "/br/gopher/memecache/wide/${widefile}" |
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- then |
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- annna-say -c "${channel}" "${user}, gopher://bitreich.… |
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+ filter="$(printf '%s\n' "${text}" | cut -d' ' -f3)" |
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+ if outfile="$(ffmpeg-effect "$filter" "/br/gopher/memecache/${… |
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+ mv "$outfile" "/br/gopher/memecache/filter/${outfile}"… |
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+ annna-say -c "${channel}" "${user}, gopher://b… |
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fi |
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} & |
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exit 0 |
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diff --git a/ffmpeg-effect b/ffmpeg-effect |
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@@ -0,0 +1,76 @@ |
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+#!/bin/sh |
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+# modify a video input file with an effect. |
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+# output is saved as "./filter-filename.mkv". |
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+# requirements: ffmpeg. |
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+ |
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+ffmpeg_common="ffmpeg -n -loglevel error" |
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+ |
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+repeats=5 |
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+usage() { |
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+ printf 'usage: %s [-n REPEATS] FILTER file\n' "${0##*/}" 1>&2 |
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+ printf 'where FILTER is one of: wide, thin, speedup, ' 1>&2 |
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+ printf 'slowdown, reverse, loop, bounce.\n' 1>&2 |
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+ printf 'For loop and bounce, option -n sets the number of repeats (def… |
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+ exit 1 |
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+} |
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+ |
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+process_filter() { |
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+ case "$1" in |
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+ wide|widen) |
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+ $ffmpeg_common -i "$2" \ |
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+ -vf "scale=iw*4:ih,crop=iw/4:ih:iw/4:ih,setsar… |
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+ "$3" </dev/null;; |
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+ thin) |
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+ $ffmpeg_common -i "$2" \ |
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+ -vf "scale=iw/4:ih,setsar=1" \ |
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+ "$3" </dev/null;; |
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+ speedup) |
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+ $ffmpeg_common -i "$2" \ |
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+ -filter_complex "[0:v]setpts=0.5*PTS[v];[0:a]a… |
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+ "$3" </dev/null;; |
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+ slowdown) |
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+ $ffmpeg_common -i "$2" \ |
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+ -filter_complex "[0:v]setpts=2.0*PTS[v];[0:a]a… |
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+ "$3" </dev/null;; |
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+ reverse) |
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+ $ffmpeg_common -i "$2" \ |
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+ -vf reverse -af areverse \ |
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+ "$3" </dev/null;; |
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+ loop) |
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+ i=0 |
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+ input="" |
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+ while test $i -lt $repeats; do |
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+ input="$input -i $2" |
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+ i=$((i + 1)) |
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+ done |
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+ $ffmpeg_common $input \ |
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+ -filter_complex "concat=n=${repeats}:v=1:a=1 [… |
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+ "$3" </dev/null;; |
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+ bounce) |
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+ $ffmpeg_common -i "$2" \ |
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+ -filter_complex "[0]reverse[r];[0][r]concat,lo… |
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+ "$3" </dev/null;; |
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+ *) usage;; |
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+ esac |
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+} |
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+ |
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+while getopts 'hn:' opt; do |
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+ case $opt in |
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+ h) usage;; |
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+ n) n="$OPTARG";; |
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+ *) break;; |
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+ esac |
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+done |
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+shift $((OPTIND - 1)) |
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+if test "$#" -lt 2 -o ! -r "$2"; then |
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+ usage |
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+fi |
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+ |
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+n=$((n - 1)) |
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+base="$(basename "$2")" |
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+out="${1}-${base%.*}.mkv" |
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+if process_filter "$1" "$2" "$out"; then |
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+ printf '%s\n' "$out" |
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+else |
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+ exit $? |
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+fi |
