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deps: add busy.mp3

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ed 2024-04-04 09:27:01 +00:00
parent 9c42cbec6f
commit 59f815ff8c
2 changed files with 68 additions and 1 deletions
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9
scripts/deps-docker/Dockerfile
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@ -24,7 +24,9 @@ ENV ver_asmcrypto=c72492f4a66e17a0e5dd8ad7874de354f3ccdaa5 \
# the scp url is regular latin from https://fonts.googleapis.com/css2?family=Source+Code+Pro&display=swap # the scp url is regular latin from https://fonts.googleapis.com/css2?family=Source+Code+Pro&display=swap
RUN mkdir -p /z/dist/no-pk \ RUN mkdir -p /z/dist/no-pk \
&& wget https://fonts.gstatic.com/s/sourcecodepro/v11/HI_SiYsKILxRpg3hIP6sJ7fM7PqlPevW.woff2 -O scp.woff2 \ && wget https://fonts.gstatic.com/s/sourcecodepro/v11/HI_SiYsKILxRpg3hIP6sJ7fM7PqlPevW.woff2 -O scp.woff2 \
&& apk add cmake make g++ git bash npm patch wget tar pigz brotli gzip unzip python3 python3-dev py3-brotli \ && apk add \
bash brotli cmake make g++ git gzip lame npm patch pigz \
python3 python3-dev py3-brotli sox tar unzip wget \
&& rm -f /usr/lib/python3*/EXTERNALLY-MANAGED \ && rm -f /usr/lib/python3*/EXTERNALLY-MANAGED \
&& wget https://github.com/openpgpjs/asmcrypto.js/archive/$ver_asmcrypto.tar.gz -O asmcrypto.tgz \ && wget https://github.com/openpgpjs/asmcrypto.js/archive/$ver_asmcrypto.tar.gz -O asmcrypto.tgz \
&& wget https://github.com/markedjs/marked/archive/v$ver_marked.tar.gz -O marked.tgz \ && wget https://github.com/markedjs/marked/archive/v$ver_marked.tar.gz -O marked.tgz \
@ -58,6 +60,11 @@ RUN mkdir -p /z/dist/no-pk \
&& tar -xf zopfli.tgz && tar -xf zopfli.tgz
COPY busy-mp3.sh /z/
RUN /z/busy-mp3.sh \
&& mv -v /dev/shm/busy.mp3.gz /z/dist
# build fonttools (which needs zopfli) # build fonttools (which needs zopfli)
RUN tar -xf zopfli.tgz \ RUN tar -xf zopfli.tgz \
&& cd zopfli* \ && cd zopfli* \

60
scripts/deps-docker/busy-mp3.sh Executable file
View file

@ -0,0 +1,60 @@
#!/bin/bash
set -e
cat >/dev/null <<EOF
a frame is 1152 samples
1sec @ 48000 = 41.66 frames
11 frames = 12672 samples = 0.264 sec
22 frames = 25344 samples = 0.528 sec
EOF
fast=1
fast=
echo
cd /dev/shm
rm -f -- a.*.mp3 a.*.mp3.gz
min=99999999
for freq in 425; do # {400..500}
for vol in 24; do # {10..30}
for kbps in 32; do
for fdur in 1124; do # {800..1200}
for fdu2 in 1042; do # {800..1200}
for ftyp in h; do # q h t l p
for ofs1 in 801; do # {0..4096}
for ofs2 in 0; do # {0..4096}
for ofs3 in 0; do # {0..4096}
for nores in --nores; do # '' --nores
f=a.b$kbps$nores-f$freq-v$vol-$ftyp$fdur-$fdu2-o$ofs1-$ofs2-$ofs3
sox -r48000 -Dn -r48000 -b16 -c2 -t raw s1.pcm synth 25344s sin $freq vol 0.$vol fade $ftyp ${fdur}s 25344s ${fdu2}s
sox -r48000 -Dn -r48000 -b16 -c2 -t raw s0.pcm synth 12672s sin $freq vol 0
tail -c +$ofs1 s0.pcm >s0a.pcm
tail -c +$ofs2 s0.pcm >s0b.pcm
tail -c +$ofs3 s0.pcm >s0c.pcm
cat s{0a,1,0,0b,1,0c}.pcm > a.pcm
lame --silent -r -s 48 --bitwidth 16 --signed a.pcm -m j --resample 48 -b $kbps -q 0 $nores $f.mp3
if [ $fast ]
then gzip -c <$f.mp3 >$f.mp3.gz
else pigz -c11 -I1 <$f.mp3 >$f.mp3.gz
fi
sz=$(wc -c <$f.mp3.gz)
printf '\033[A%d %s\033[K\n' $sz $f
[ $sz -le $((min+10)) ] && echo
[ $sz -le $min ] && echo && min=$sz
done;done;done;done;done;done;done;done;done;done
true
f=a.b32--nores-f425-v24-h1124-1042-o801-0-0.mp3
[ $fast ] &&
pigz -c11 -I1 <$f >busy.mp3.gz ||
mv $f.gz busy.mp3.gz
sz=$(wc -c <busy.mp3.gz)
[ "$sz" -eq 707 ] &&
echo busy.mp3 built successfully ||
echo WARNING: unexpected size of busy.mp3
rm -f a.*.mp3 a.*.mp3.gz