#!/bin/bash
MP4_FILENAME="$1"
if [ "${MP4_FILENAME}" == "" ]
then
echo "MP4 filename needed for argument 1" >&2
exit 1
fi
DESCRIPTION="$2"
if [ "${DESCRIPTION}" == "" ]
then
echo "Description needed for argument 2" >&2
fi
source .env
function escape() {
local s
s=${1//&/&}
s=${s///>}
s=${s//'"'/"}
printf -- %s "$s"
}
function generate_xml() {
# .whatever
EXT="$1"
cat << EOF
${PODCAST_NAME}
${PODCAST_WEBROOT}
${PODCAST_DESCRIPTION}
${PODCAST_WEBROOT}${IMAGE}
EOF
ls -1t "${OUT_DIR}"/*${EXT} | while read LONG_FNAME
do
FILE=$(basename "${LONG_FNAME}" "${EXT}")
FILE_URL="${PODCAST_WEBROOT}${FILE}${EXT}"
TITLE=$(escape "$(exiftool -b -title "${LONG_FNAME}")")
DESCRIPTION=$(escape "$(exiftool -b -description "${LONG_FNAME}")")
PUB_DATE=$(LC_ALL=C date -r "${LONG_FNAME}" "+%a, %d %b %Y %H:%M:%S %z")
cat << EOF
-
${TITLE}
${FILE_URL}
${DESCRIPTION}
${PUB_DATE}
EOF
done
echo ""
}
function generate_html() {
ESCAPED_PODCAST_NAME=$(escape "${PODCAST_NAME}")
ESCAPED_PODCAST_DESCRIPTION=$(escape "${PODCAST_DESCRIPTION}")
cat << EOF
${ESCAPED_PODCAST_NAME}
${ESCAPED_PODCAST_NAME}
${ESCAPED_PODCAST_DESCRIPTION}
EOF
ls -1t "${OUT_DIR}"/*.mp4 | while read LONG_FNAME
do
MP4_FILE=$(basename "${LONG_FNAME}")
MP3_FILE=$(basename "${MP4_FILE}" .mp4).mp3
TITLE=$(escape "$(exiftool -b -title "${LONG_FNAME}")")
DESCRIPTION=$(escape "$(exiftool -b -description "${LONG_FNAME}")")
PUB_DATE=$(LC_ALL=C date -r "${LONG_FNAME}" "+%a, %d %b %Y %H:%M:%S %z")
cat << EOF
${TITLE}
EOF
done
echo ""
}
OUT_MP4_FILENAME="${OUT_DIR}/$(basename "${MP4_FILENAME}")"
MP3_FILENAME="${OUT_DIR}/$(basename "${MP4_FILENAME}" .mp4).mp3"
EPISODE=$(basename "${MP4_FILENAME}" .mp4 | egrep -o '[[:digit:]]+' | head -n1)
EPISODE_TITLE="${PODCAST_NAME} Episode ${EPISODE}"
echo "Copying mp4."
ffmpeg -hide_banner -loglevel error -y -i "${MP4_FILENAME}" \
-metadata title="${EPISODE_TITLE}" \
-metadata author="${PODCAST_AUTHOR}" \
-metadata description="${DESCRIPTION}" \
-c copy \
"${OUT_MP4_FILENAME}"
echo "Converting to mp3."
ffmpeg -hide_banner -loglevel error -y -i "${MP4_FILENAME}" \
-metadata title="${EPISODE_TITLE}" \
-metadata author="${PODCAST_AUTHOR}" \
-metadata description="${DESCRIPTION}" \
"${MP3_FILENAME}"
echo "Generating MP3 XML feed."
generate_xml .mp3 > "${OUT_DIR}/mp3.rss.xml"
echo "Generating MP4 XML feed."
generate_xml .mp4 > "${OUT_DIR}/mp4.rss.xml"
echo "Generating HTML."
generate_html > "${OUT_DIR}/index.html"