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	tSeveral bugfixes - bitreich-tv - meme tv encoding and streaming
	git clone git://src.adamsgaard.dk/bitreich-tv
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	---
	commit 9955fec4d21435eae1aa98c8c7078932d192df5c
	parent 3a8559a5c96734befbfdb580c7e8a2ab491ea6d4
	Author: Anders Damsgaard <[email protected]>
	Date: Tue, 11 Aug 2020 21:26:32 +0200

	Several bugfixes

	Diffstat:
	M brtv-start.sh \| 51 ++++++++++++++++++++---------…

	1 file changed, 33 insertions(+), 18 deletions(-)
	---
	diff --git a/brtv-start.sh b/brtv-start.sh
	t@@ -1,12 +1,6 @@
	#!/bin/sh
	-# generate title animations and start streaming server
	-
	-pass="$(gpg2 -q -d icecastpass.gpg)"
	-
	-if [ $# -ne 1 ]; then
	- printf 'usage: %s <memecache_path>\n' "$0" >&2
	- exit
	-fi
	+# generate title animations and start streaming to server
	+# requirements: ffmpeg(1), convert(1)

	### CONFIGURATION START

	t@@ -44,6 +38,20 @@ title_display_time=5

	### CONFIGURATION END

	+pass="$(gpg2 -q -d icecastpass.gpg)"
	+
	+die() {
	+ printf '%s: error: %s\n' "${0##*/}" "$1" >&2
	+ exit 1
	+}
	+
	+regeximatch() {
	+ printf '%s' "$1" \| grep -iEq "$2"
	+}
	+
	+if [ $# -ne 1 ]; then
	+ die "usage: ${0##*/} <memecache_path>"
	+fi

	fit_img_16_9() {
	convert -resize "$video_resolution"\> -size "$video_resolution" "$1" \
	t@@ -62,6 +70,7 @@ video_from_img() {

	title_slide() {
	img="$(basename "${1%.*}".png)"
	+ #echo "title_slide $1 -> $img"
	convert -size "$video_resolution" "xc:${bgcolor}" \
	-pointsize 48 -fill "$fgcolor" \
	-gravity center -draw "text 0,0 '#${img%.*}'" "$img"
	t@@ -70,21 +79,28 @@ title_slide() {
	-i anullsrc=r=48000 \
	-i "$img" \
	-t "${title_display_time}" \
	- $ffmpec_codec \
	+ $ffmpeg_codec \
	"$2" && rm "$img"
	}

	video_conv() {
	- ffmpeg -y -i "$1" $ffmpeg_codec -max_muxing_queue_size 1024 "$2"
	+ printf 'encode %s -> %s\n' "$1" "$2"; ffmpeg -y -i "$1" $ffmpeg_codec …
	}

	mkdir -p "$title"
	mkdir -p "$memecache_conv"

	# generate video from each image
	-for f in "$memecache"/*.{jpg,jpeg,JPG,png,PNG}; do
	+for f in "$memecache"/*.jpg \
	+ "$memecache"/*.jpeg \
	+ "$memecache"/*.JPG \
	+ "$memecache"/*.png \
	+ "$memecache"/*.PNG; do
	out="${memecache_conv}/$(basename "${f%.*}.${video_ext}")"
	- if [ -e "$f" ] && [ ! -e "$out" ]; then
	+ if [ ! -f "$out" ]; then
	+ if ! regeximatch "$(file -ib "$f")" "^image\/"; then
	+ die "input image $f is invalid ($(file -b "$f"))"
	+ fi
	printf 'in: %s, out: %s\n' "$f" "$out"
	fit_img_16_9 "$f" "${out%.*}.jpg"
	video_from_img "${out%.${video_ext}}.jpg" "${out}"
	t@@ -96,18 +112,17 @@ if [ ! -f "bitreich-tv.${video_ext}" ]; then
	title_slide bitreich-tv bitreich-tv.${video_ext}
	fi

	-
	-# make title slides for video and converted images and encode to common codec
	+# make title slides for video and converted images and encode all video clips …
	for f in "$memecache"/*.mkv \
	"$memecache"/*.mp4 \
	"$memecache"/*.webm \
	"$memecache_conv"/*."${video_ext}"; do

	- title_path="${title}/$(basename "${f%.*}.webm")"
	- [ ! -e "$title_path" ] && title_slide "$f" "$title_path"
	+ title_path="${title}/$(basename "${f%.*}.${video_ext}")"
	+ [ ! -f "$title_path" ] && title_slide "$f" "$title_path"

	- out="${memecache_conv}/$(basename "${f%.*}.webm")"
	- [ ! -e "$out" ] && video_conv "$f" "$out"
	+ out="${memecache_conv}/$(basename "${f%.*}.${video_ext}")"
	+ [ ! -f "$out" ] && video_conv "$f" "$out"
	done

	# generate random playlist from converted memes and add title slides