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Merge pull request #138 from fabh2o/master
Use mediainfo to parse additional metadata
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KrumpetPirate
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commit
84fb5bf004
86
AAXtoMP3
86
AAXtoMP3
@ -213,6 +213,18 @@ if [[ "x${container}" == "xmp4" && "x$(type -P mp4chaps)" == "x" ]]; then
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echo "Ubuntu: sudo apt-get install mp4v2-utils"
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fi
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# -----
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# Detect if we need mediainfo for adding description and narrator
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if [[ "x$(type -P mediainfo)" == "x" ]]; then
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echo "WARN mediainfo was not found on your env PATH variable"
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echo "Without it, this script will not be able to add the narrator"
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echo "and description tags. Note if there are no other errors the AAXtoMP3"
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echo "will continue. However no such tags will be added to the output."
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echo "INSTALL:"
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echo "MacOS: brew install mediainfo"
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echo "Ubuntu: sudo apt-get install mediainfo"
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fi
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# -----
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# Obtain the authcode from either the command line, local directory or home directory.
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# See Readme.md for details on how to acquire your personal authcode for your personal
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@ -314,6 +326,10 @@ save_metadata() {
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local media_file
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media_file="$1"
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ffprobe -i "$media_file" 2> "$metadata_file"
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if [[ $(type -P mediainfo) ]]; then
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# Mediainfo output is structured like ffprobe, so we append it to the metadata file and then parse it with get_metadata_value()
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mediainfo "$media_file" >> "$metadata_file"
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fi
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debug "Metadata file $metadata_file"
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debug_file "$metadata_file"
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}
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@ -368,6 +384,14 @@ do
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album="$(get_metadata_value album)"
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album_date="$(get_metadata_value date)"
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copyright="$(get_metadata_value copyright)"
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# Get more tags with mediainfo
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if [[ $(type -P mediainfo) ]]; then
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narrator="$(get_metadata_value nrt)"
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description="$(get_metadata_value Track_More)"
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else
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narrator=""
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description=""
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fi
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if [[ "${noclobber}" = "1" ]] && [[ -d "${output_directory}" ]]; then
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log "Noclobber enabled but directory '${output_directory}' exists. Exiting to avoid overwriting"
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@ -383,14 +407,33 @@ do
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# Big long DEBUG output. Fully describes the settings used for transcoding.
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# Note this is a long debug command. It's not critical to operation. It's purely for people debugging
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# and coders wanting to extend the script.
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debug_vars "Book and Variable values" title auth_code mode aax_file container codec bitrate artist album_artist album album_date genre copyright output_file metadata_file working_directory
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debug_vars "Book and Variable values" title auth_code mode aax_file container codec bitrate artist album_artist album album_date genre copyright narrator description output_file metadata_file working_directory
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# -----
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if [ "${continue}" == "0" ]; then
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# This is the main work horse command. This is the primary transcoder.
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# This is the primary transcode. All the heavy lifting is here.
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debug 'ffmpeg -loglevel error -stats -activation_bytes "${auth_code}" -i "${aax_file}" -vn -codec:a "${codec}" -ab ${bitrate} -map_metadata -1 -metadata title="${title}" -metadata artist="${artist}" -metadata album_artist="${album_artist}" -metadata album="${album}" -metadata date="${album_date}" -metadata track="1/1" -metadata genre="${genre}" -metadata copyright="${copyright}" "${output_file}"'
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</dev/null ffmpeg -loglevel error -stats -activation_bytes "${auth_code}" -i "${aax_file}" -vn -codec:a "${codec}" -ab ${bitrate} -map_metadata -1 -metadata title="${title}" -metadata artist="${artist}" -metadata album_artist="${album_artist}" -metadata album="${album}" -metadata date="${album_date}" -metadata track="1/1" -metadata genre="${genre}" -metadata copyright="${copyright}" -f ${container} "${output_file}"
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</dev/null ffmpeg -loglevel error \
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-stats \
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-activation_bytes "${auth_code}" \
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-i "${aax_file}" \
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-vn \
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-codec:a "${codec}" \
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-ab ${bitrate} \
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-map_metadata -1 \
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-metadata title="${title}" \
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-metadata artist="${artist}" \
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-metadata album_artist="${album_artist}" \
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-metadata album="${album}" \
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-metadata date="${album_date}" \
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-metadata track="1/1" \
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-metadata genre="${genre}" \
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-metadata copyright="${copyright}" \
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-metadata description="${description}" \
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-metadata composer="${narrator}" \
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-f ${container} \
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"${output_file}"
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log "Created ${output_file}."
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# -----
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@ -421,10 +464,27 @@ do
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log "Continuing at chapter ${continueAt}:"
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fi
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chapternum=1
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# We pipe the metadata_file in read.
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# Example of the section that we are interested in:
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#
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# Chapter #0:0: start 0.000000, end 1928.231474
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# Metadata:
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# title : Chapter 1
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#
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# Then read the line in these variables:
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# first Chapter
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# _ #0:0:
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# _ start
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# chapter_start 0.000000,
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# _ end
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# chapter_end 1928.231474
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while read -r -u9 first _ _ chapter_start _ chapter_end
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do
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# Do things only if the line starts with 'Chapter'
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if [[ "${first}" = "Chapter" ]]; then
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# The next line (Metadata:...) gets discarded
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read -r -u9 _
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# From the line 'title : Chapter 1' we save the third field and those after in chapter
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read -r -u9 _ _ chapter
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# The formatting of the chapters names and the file names.
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@ -446,10 +506,24 @@ do
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# Extract chapter by time stamps start and finish of chapter.
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# This extracts based on time stamps start and end.
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log "Splitting chapter ${chapternum}/${chaptercount} start:${chapter_start%?}(s) end:${chapter_end}(s)"
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</dev/null ffmpeg -loglevel quiet -nostats -ss "${chapter_start%?}" -to "${chapter_end}" -i "${output_file}" -i "${cover_file}" -map 0:0 -map 1:0 -acodec "${codec}" ${id3_version_param} \
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-metadata:s:v title="Album cover" -metadata:s:v comment="Cover (Front)" -metadata track="${chapternum}" -metadata title="${chapter_title}" \
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-metadata:s:a title="${chapter_title}" -metadata:s:a track="${chapternum}" -map_chapters -1 \
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-f ${container} "${chapter_file}"
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</dev/null ffmpeg -loglevel quiet \
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-nostats \
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-ss "${chapter_start%?}" \
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-to "${chapter_end}" \
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-i "${output_file}" \
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-i "${cover_file}" \
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-map 0:0 \
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-map 1:0 \
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-acodec "${codec}" ${id3_version_param} \
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-metadata:s:v title="Album cover" \
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-metadata:s:v comment="Cover (Front)" \
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-metadata track="${chapternum}" \
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-metadata title="${chapter_title}" \
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-metadata:s:a title="${chapter_title}" \
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-metadata:s:a track="${chapternum}" \
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-map_chapters -1 \
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-f ${container} \
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"${chapter_file}"
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# -----
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# OK lets get what need for the next chapter in the Playlist m3u file.
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# Playlist creation.
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