42 lines
1.2 KiB
Bash
42 lines
1.2 KiB
Bash
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#!/usr/bin/bash
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set -e
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export TMP_DIR="$(mktemp -d)";
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cleanup() {
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rm -fr "${TMP_DIR}";
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}
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trap cleanup EXIT
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export URL="$1";
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export NAME="$2";
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export BASE_URL="$3"
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if [ -z "${BASE_URL}" ]; then
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export BASE_URL="CHANGEME";
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fi
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mkdir -p "${NAME}"
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export ORIG="$(pwd)";
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cd "${TMP_DIR}"
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yt-dlp "${URL}" -o "${NAME}"
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ffmpeg -i $2.* -filter_complex "[0:a]channelsplit=channel_layout=stereo[left][right]" -map '[left]' -f s8 -ac 1 -ar 48k "${ORIG}/${NAME}/left.s8" -map '[right]' -f s8 -ac 1 -ar 48k "${ORIG}/${NAME}/right.s8"
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ffmpeg -i $2.* -vf fps=20 frame%04d.png
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rm $2.*
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ls frame*.png | parallel 'echo {}; python3 ${ORIG}/cc-pic.py -W 164 -H 81 -p cover {} ${ORIG}/${NAME}/{.}.cpi'
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rm frame*.png
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cd "${ORIG}"
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export FRAME_COUNT="$(ls ${NAME}/*.cpi | wc -l)";
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#'{"frame_time": 0.05,"frame_count": ${FRAME_COUNT},"video": "${BASE_URL}/${NAME}/frame%04d.cpi","audio": {"l": "${BASE_URL}/${NAME}/left.s8", "r": "${BASE_URL}/${NAME}/right.s8"}}' > "${NAME}/${NAME}.json"
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printf '{"frame_time": 0.05, "frame_count": %d, "video": "%s", "audio": {"l": "%s", "r": "%s"}}\n' "${FRAME_COUNT}" "${BASE_URL}/${NAME}/frame%04d.cpi" "${BASE_URL}/${NAME}/left.s8" "${BASE_URL}/${NAME}/right.s8" > "${NAME}/${NAME}.json"
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