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Continue after interrupt

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Until now, when the conversion of a audiobook gets interrrupted during the splitting phase, one has to delete all the output files and restart from beginning.
This can be very uncomfy, especially if it's a long audiobook and the computer did work on it for several hours.
I added some changes, so that one only has to delete the last (incompletely generated) chapter and add "--continue " to the command where CHAPTERNUMBER is the chapter, that has been interrupted while splitting of.
For this to work I mainly just skipped the steps which were already done before interruption with if-conditions.
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Nicko98 2021-01-26 23:32:14 +01:00 committed by GitHub
parent c4f2da205a
commit 32aacd2b42
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1 changed files with 39 additions and 29 deletions
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AAXtoMP3
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@ -5,7 +5,7 @@
# Command Line Options # Command Line Options
# Usage Synopsis. # Usage Synopsis.
usage=$'\nUsage: AAXtoMP3 [--flac] [--aac] [--opus ] [--single] [--chaptered]\n[-e:mp3] [-e:m4a] [-e:m4b] [--authcode <AUTHCODE>] [--no-clobber]\n[--target_dir <PATH>] [--complete_dir <PATH>] [--validate]\n{FILES}\n' usage=$'\nUsage: AAXtoMP3 [--flac] [--aac] [--opus ] [--single] [--chaptered]\n[-e:mp3] [-e:m4a] [-e:m4b] [--authcode <AUTHCODE>] [--no-clobber]\n[--target_dir <PATH>] [--complete_dir <PATH>] [--validate]\n[--continue <CHAPTERNUMBER>]{FILES}\n'
codec=libmp3lame # Default encoder. codec=libmp3lame # Default encoder.
extension=mp3 # Default encoder extension. extension=mp3 # Default encoder extension.
mode=chaptered # Multi file output mode=chaptered # Multi file output
@ -16,6 +16,8 @@ container=mp3 # Just in case we need to change the container. Use
VALIDATE=0 # Validate the input aax file(s) only. No Transcoding of files will occur VALIDATE=0 # Validate the input aax file(s) only. No Transcoding of files will occur
DEBUG=0 # Default off, If set extremely verbose output. DEBUG=0 # Default off, If set extremely verbose output.
noclobber=0 # Default off, clobber only if flag is enabled noclobber=0 # Default off, clobber only if flag is enabled
continue=0 # Default off, If set Transcoding is skiped and chapter splitting starts at chapter continueAt.
continueAt=1 # Optional chapter to continue splitting the chapters.
# ----- # -----
# Code tip Do not have any script above this point that calls a function or a binary. If you do # Code tip Do not have any script above this point that calls a function or a binary. If you do
@ -52,6 +54,8 @@ while true; do
-d | --debug ) DEBUG=1; shift ;; -d | --debug ) DEBUG=1; shift ;;
# Validate ONLY the aax file(s) No transcoding occurs # Validate ONLY the aax file(s) No transcoding occurs
-V | --validate ) VALIDATE=1; shift ;; -V | --validate ) VALIDATE=1; shift ;;
# continue spliting chapters at chapter continueAt
--continue ) continueAt="$2"; continue=1; shift 2 ;;
# Command synopsis. # Command synopsis.
-h | --help ) printf "$usage" $0 ; exit ;; -h | --help ) printf "$usage" $0 ; exit ;;
# Standard flag signifying the end of command line processing. # Standard flag signifying the end of command line processing.
@ -381,19 +385,21 @@ do
debug_vars "Book and Variable values" title auth_code mode aax_file container codec bitrate artist album_artist album album_date genre copyright output_file metadata_file working_directory debug_vars "Book and Variable values" title auth_code mode aax_file container codec bitrate artist album_artist album album_date genre copyright output_file metadata_file working_directory
# ----- # -----
# This is the main work horse command. This is the primary transcoder. if [ "${continue}" == "0" ]; then
# This is the primary transcode. All the heavy lifting is here. # This is the main work horse command. This is the primary transcoder.
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}" "${output_file}"' # This is the primary transcode. All the heavy lifting is here.
</dev/null ffmpeg -loglevel error -stats -activation_bytes "${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}" 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}" "${output_file}"'
</dev/null ffmpeg -loglevel error -stats -activation_bytes "${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}"
log "Created ${output_file}."
# -----
log "Created ${output_file}."
# -----
fi
# Grab the cover art if available. # Grab the cover art if available.
cover_file="${output_directory}/cover.jpg" cover_file="${output_directory}/cover.jpg"
log "Extracting cover into ${cover_file}..." if [ "${continue}" == "0" ]; then
</dev/null ffmpeg -loglevel error -activation_bytes "${auth_code}" -i "${aax_file}" -an -codec:v copy "${cover_file}" log "Extracting cover into ${cover_file}..."
</dev/null ffmpeg -loglevel error -activation_bytes "${auth_code}" -i "${aax_file}" -an -codec:v copy "${cover_file}"
fi
# ----- # -----
# OK now spit the file if that's what you want. # OK now spit the file if that's what you want.
# If we want multiple file we take the big mp3 and split it by chapter. # If we want multiple file we take the big mp3 and split it by chapter.
@ -402,13 +408,17 @@ do
if [ "${mode}" == "chaptered" ]; then if [ "${mode}" == "chaptered" ]; then
# Playlist m3u support # Playlist m3u support
playlist_file="${output_directory}/${title}.m3u" playlist_file="${output_directory}/${title}.m3u"
log "Creating PlayList ${title}.m3u" if [ "${continue}" == "0" ]; then
echo '#EXTM3U' > "${playlist_file}" log "Creating PlayList ${title}.m3u"
echo '#EXTM3U' > "${playlist_file}"
fi
# Determine the number of chapters. # Determine the number of chapters.
chaptercount=$($GREP -Pc "Chapter.*start.*end" $metadata_file) chaptercount=$($GREP -Pc "Chapter.*start.*end" $metadata_file)
log "Extracting ${chaptercount} chapter files from ${output_file}..." log "Extracting ${chaptercount} chapter files from ${output_file}..."
if [ "${continue}" == "1" ]; then
log "Continuing at chapter ${continueAt}:"
fi
chapternum=1 chapternum=1
while read -r -u9 first _ _ chapter_start _ chapter_end while read -r -u9 first _ _ chapter_start _ chapter_end
do do
@ -431,21 +441,21 @@ do
# Big Long chapter debug # Big Long chapter debug
debug_vars "Chapter Variables:" cover_file chapter_start chapter_end id3_version_param chapternum chapter_title chapter_file debug_vars "Chapter Variables:" cover_file chapter_start chapter_end id3_version_param chapternum chapter_title chapter_file
if [ "$((${continueAt} > ${chapternum}))" = "0" ]; then
# Extract chapter by time stamps start and finish of chapter. # Extract chapter by time stamps start and finish of chapter.
# This extracts based on time stamps start and end. # This extracts based on time stamps start and end.
log "Splitting chapter ${chapternum}/${chaptercount} start:${chapter_start%?}(s) end:${chapter_end}(s)" log "Splitting chapter ${chapternum}/${chaptercount} start:${chapter_start%?}(s) end:${chapter_end}(s)"
</dev/null ffmpeg -loglevel quiet -nostats -i "${output_file}" -i "${cover_file}" -ss "${chapter_start%?}" -to "${chapter_end}" -map 0:0 -map 1:0 -acodec "${codec}" ${id3_version_param} \ </dev/null ffmpeg -loglevel quiet -nostats -i "${output_file}" -i "${cover_file}" -ss "${chapter_start%?}" -to "${chapter_end}" -map 0:0 -map 1:0 -acodec "${codec}" ${id3_version_param} \
-metadata:s:v title="Album cover" -metadata:s:v comment="Cover (Front)" -metadata track="${chapternum}" -metadata title="${chapter_title}" \ -metadata:s:v title="Album cover" -metadata:s:v comment="Cover (Front)" -metadata track="${chapternum}" -metadata title="${chapter_title}" \
-metadata:s:a title="${chapter_title}" -metadata:s:a track="${chapternum}" -map_chapters -1 \ -metadata:s:a title="${chapter_title}" -metadata:s:a track="${chapternum}" -map_chapters -1 \
-f ${container} "${chapter_file}" -f ${container} "${chapter_file}"
# -----
# ----- # OK lets get what need for the next chapter in the Playlist m3u file.
# OK lets get what need for the next chapter in the Playlist m3u file. # Playlist creation.
# Playlist creation. duration=$(echo "${chapter_end} - ${chapter_start%?}" | bc)
duration=$(echo "${chapter_end} - ${chapter_start%?}" | bc) echo "#EXTINF:${duration%.*},${title} - ${chapter}" >> "${playlist_file}"
echo "#EXTINF:${duration%.*},${title} - ${chapter}" >> "${playlist_file}" echo "${chapter_title}.${extension}" >> "${playlist_file}"
echo "${chapter_title}.${extension}" >> "${playlist_file}" fi
chapternum=$((chapternum + 1 )) chapternum=$((chapternum + 1 ))
# ---- # ----