141 lines
3.6 KiB
Bash
141 lines
3.6 KiB
Bash
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#!/bin/bash
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MP4_FILENAME="$1"
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if [ "${MP4_FILENAME}" == "" ]
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then
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echo "MP4 filename needed for argument 1" >&2
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exit 1
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fi
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DESCRIPTION="$2"
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if [ "${DESCRIPTION}" == "" ]
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then
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echo "Description needed for argument 2" >&2
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fi
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source .env
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function escape() {
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local s
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s=${1//&/&}
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s=${s//</<}
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s=${s//>/>}
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s=${s//'"'/"}
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printf -- %s "$s"
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}
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function generate_xml() {
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# .whatever
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EXT="$1"
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cat << EOF
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<?xml version="1.0" ?>
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<rss version="2.0">
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<channel>
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<title>${PODCAST_NAME}</title>
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<link>${PODCAST_WEBROOT}</link>
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<description>${PODCAST_DESCRIPTION}</description>
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<image>
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<url>${PODCAST_WEBROOT}${IMAGE}</url>
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</image>
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EOF
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ls -1t "${OUT_DIR}"/*${EXT} | while read LONG_FNAME
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do
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FILE=$(basename "${LONG_FNAME}" "${EXT}")
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FILE_URL="${PODCAST_WEBROOT}${FILE}${EXT}"
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TITLE=$(escape "$(exiftool -b -title "${LONG_FNAME}")")
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DESCRIPTION=$(escape "$(exiftool -b -description "${LONG_FNAME}")")
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PUB_DATE=$(LC_ALL=C date -r "${LONG_FNAME}" "+%a, %d %b %Y %H:%M:%S %z")
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cat << EOF
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<item>
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<title>${TITLE}</title>
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<link>${FILE_URL}</link>
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<description>${DESCRIPTION}</description>
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<pubDate>${PUB_DATE}</pubDate>
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</item>
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EOF
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done
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echo "</channel></rss>"
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}
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function generate_html() {
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ESCAPED_PODCAST_NAME=$(escape "${PODCAST_NAME}")
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ESCAPED_PODCAST_DESCRIPTION=$(escape "${PODCAST_DESCRIPTION}")
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cat << EOF
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<!DOCTYPE html>
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<html>
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<head>
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<title>${ESCAPED_PODCAST_NAME}</title>
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<link rel="alternate" type="application/rss+xml" title="Audio Podcast" href="/mp3.rss.xml"/>
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<link rel="alternate" type="application/rss+xml" title="Video Podcast" href="/mp4.rss.xml"/>
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</head>
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<body>
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<h1>${ESCAPED_PODCAST_NAME}</h1>
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<p>
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${ESCAPED_PODCAST_DESCRIPTION}
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</p>
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<ul>
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<li><a href="/mp3.rss.xml">Direct link to audio podcast feed</a></li>
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<li><a href="/mp4.rss.xml">Direct link to video podcast feed</a></li>
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</ul>
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EOF
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ls -1t "${OUT_DIR}"/*.mp4 | while read LONG_FNAME
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do
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MP4_FILE=$(basename "${LONG_FNAME}")
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MP3_FILE=$(basename "${MP4_FILE}" .mp4).mp3
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TITLE=$(escape "$(exiftool -b -title "${LONG_FNAME}")")
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DESCRIPTION=$(escape "$(exiftool -b -description "${LONG_FNAME}")")
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PUB_DATE=$(LC_ALL=C date -r "${LONG_FNAME}" "+%a, %d %b %Y %H:%M:%S %z")
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cat << EOF
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<h2>${TITLE}</h2>
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<div class="rss-item">
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<p class="item-description">${DESCRIPTION}</p>
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<ul class="item-files">
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<li>
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<a href="/${MP3_FILE}" target="_blank">Audio</a>
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</li>
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<li>
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<a href="/${MP4_FILE}" target="_blank">Video</a>
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</li>
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</ul>
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</div>
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EOF
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done
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echo "</body></html>"
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}
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OUT_MP4_FILENAME="${OUT_DIR}/$(basename "${MP4_FILENAME}")"
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MP3_FILENAME="${OUT_DIR}/$(basename "${MP4_FILENAME}" .mp4).mp3"
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EPISODE=$(basename "${MP4_FILENAME}" .mp4 | egrep -o '[[:digit:]]+' | head -n1)
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EPISODE_TITLE="${PODCAST_NAME} Episode ${EPISODE}"
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echo "Copying mp4."
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ffmpeg -hide_banner -loglevel error -y -i "${MP4_FILENAME}" \
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-metadata title="${EPISODE_TITLE}" \
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-metadata author="${PODCAST_AUTHOR}" \
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-metadata description="${DESCRIPTION}" \
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-c copy \
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"${OUT_MP4_FILENAME}"
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echo "Converting to mp3."
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ffmpeg -hide_banner -loglevel error -y -i "${MP4_FILENAME}" \
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-metadata title="${EPISODE_TITLE}" \
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-metadata author="${PODCAST_AUTHOR}" \
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-metadata description="${DESCRIPTION}" \
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"${MP3_FILENAME}"
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echo "Generating MP3 XML feed."
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generate_xml .mp3 > "${OUT_DIR}/mp3.rss.xml"
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echo "Generating MP4 XML feed."
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generate_xml .mp4 > "${OUT_DIR}/mp4.rss.xml"
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echo "Generating HTML."
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generate_html > "${OUT_DIR}/index.html"
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