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	Generate title slides in separate script - bitreich-tv - Meme TV encoding and s…
	git clone git://bitreich.org/bitreich-tv git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfr…
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	---
	commit 514e6788b34aa2fea81e685a03b0f0bc9e449157
	parent 9e67470e2373361dea9c5707f30323bff524023d
	Author: Anders Damsgaard <[email protected]>
	Date: Sun, 16 Aug 2020 20:09:05 +0200

	Generate title slides in separate script

	Diffstat:
	A brtv-generate-title-slides.sh \| 64 +++++++++++++++++++++++++++++…

	1 file changed, 64 insertions(+), 0 deletions(-)
	---
	diff --git a/brtv-generate-title-slides.sh b/brtv-generate-title-slides.sh
	@@ -0,0 +1,64 @@
	+#!/bin/sh
	+# generate title slide animation for each hashtag in file specified by stdin.
	+# stdin would typically be annna's module/hashtags/hashtags.txt
	+# requirements: ffmpeg(1), convert(1)
	+
	+
	+### CONFIGURATION START
	+
	+# output title animations dir
	+title="title"
	+
	+# ffmpeg flags for generated videos
	+video_ext="webm"
	+ffmpeg_codec="-loglevel error -acodec libopus -b:a 96K -vcodec libvpx -b:v 64k…
	+
	+# target video resolution
	+video_resolution=1280x720
	+
	+# slide style
	+bgcolor=magenta
	+fcolor=white
	+
	+# show title slides for this duration [s]
	+title_display_time=5
	+
	+### CONFIGURATION END
	+
	+
	+die() {
	+ printf '%s: error: %s\n' "${0##*/}" "$1" >&2
	+ exit 1
	+}
	+
	+regeximatch() {
	+ printf '%s' "$1" \| grep -iEq "$2"
	+}
	+
	+if [ $# -ne 1 ]; then
	+ die "usage: ${0##*/} <hashtags-file>"
	+fi
	+
	+title_slide() {
	+ img="$(basename "${1%.*}".png)"
	+ printf 'title_slide %s -> %s\n' "$1" "$img"
	+ convert -size "$video_resolution" "xc:${bgcolor}" \
	+ -pointsize 48 -fill "$fgcolor" \
	+ -gravity center -draw "text 0,0 '#${img%.*}'" "$img"
	+ ffmpeg -y \
	+ -f lavfi \
	+ -i anullsrc=r=48000 \
	+ -i "$img" \
	+ -t "${title_display_time}" \
	+ $ffmpeg_codec \
	+ "$2" && rm "$img"
	+}
	+
	+mkdir -p "$title"
	+
	+# make title slide for every file in $1/ if they do not already exist
	+while IFS='
	+' read -r line; do
	+ out_path="${title}/$(basename "${f%.*}.${video_ext}")"
	+ [ ! -f "$out_path" ] && title_slide "$f" "$out_path"
	+done