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#!/bin/sh
set -eu
makefile_pre() {
cat <<'EOF'
.POSIX:
FFMFLAGS = -y -hide_banner -loglevel warning
.SUFFIXES:
.SUFFIXES: .mpd .webmx
.mpd.webmx:
cd $(?D) && ffmpeg $(FFMFLAGS) -i $(<F) $(*F).webm
touch $@
all:
EOF
}
makefile_post() {
cat <<'EOF'
sources.webmx = $(sources.mpd:.mpd=.webmx)
all: $(sources.webmx) $(combined.webmx)
$(combined.webmx):
ffmpeg $(FFMFLAGS) `printf ' -i %s' $?` -c copy $*.webm
mkdir -p processed/"`basename $(*D)`"
ln $*.webm processed/"`basename $(*D)`"/
touch $@
EOF
}
mpds() {
find live/data/*/*/live.mpd | LANG=POSIX.UTF-8 sort
}
mkdeps() {
mpds | varlist 'sources.mpd'
mpds | cut -d/ -f1-3 | sed 's,$,/combined.webmx,' | uniq |
varlist 'combined.webmx'
printf '\n'
mpds | sed 's/^\(.*\)\.mpd$/\1.webmx:\t\1.mpd/'
mpds | sed 's/^\(.*\)\.mpd$/\1.webm:\t\1.webmx/'
printf '\n'
mpds | sed 's/\.mpd$/.webm/' | awk -F/ '{
printf "live/data/%s/combined.webmx:\t%s\n", $3, $0
}'
}
{
makefile_pre
mkdeps
makefile_post
} | make -f-
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