126 lines
3.6 KiB
Bash
Executable File
126 lines
3.6 KiB
Bash
Executable File
#!/bin/bash
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#
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# encode.bash - Drives a set of encoders and tagging utilities to convert a
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# single WAV input file into flac, Ogg Vorbis, AAC and MP3 files with complete
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# and consistent metadata.
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#
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# Copyright (c) 2010, Thomas Gideon
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of Thomas Gideon nor the
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# names of additional contributors may be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
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# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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function clean {
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if [ -f "$1" ]
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then
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echo "Cleaning existing file, $1."
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rm "$1"
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fi
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}
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if [ -z "$1" ]
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then
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echo "Provide a cast config!"
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echo "$0 <cast config> <slug> [date]"
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exit 1
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fi
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config=$1
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if [ -z "$2" ]
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then
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echo "Provide a slug!"
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echo "$0 <cast config> <slug> [date]"
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exit 2
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fi
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slug="$2"
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if [ -z "$3" ]
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then
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date=$(date +%Y-%m-%d)
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year=$(date +%Y)
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post_date=$(date +%Y/%m/%d)
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else
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date=$(date +%Y-%m-%d -d "$3")
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year=$(date +%Y -d "$3")
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post_date=$(date +%Y/%m/%d -d "$3")
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fi
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# load info from cast specific config file
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. "$config"
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if [ -z "$file_prefix" ]
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then
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echo "${config} must set file_prefix."
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exit 1
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fi
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echo "Info for tagging."
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echo "Title: $title"
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echo "Artist: $artist"
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echo "Cover: $cover"
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echo "Album: $album"
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echo "Genre: $genre"
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echo "URL: $url"
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echo "Copyright: $copyright"
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echo "Comment: $comment"
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base_file=${file_prefix}${date}
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echo ""
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echo "Encoding MP3, ${base_file}.mp3 at ${mp3_bitrate} kbps."
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clean "${base_file}.mp3"
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echo ""
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# encode lossy, MP3, adding ID3v2 tags for everything
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# *except* cover art
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lame -b "${mp3_bitrate}" \
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--cbr \
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--tt "${title}" \
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--ta "${artist}" \
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--tl "${album}" \
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--ty "${year}" \
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--tc "${comment}" \
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--tg "${genre}" \
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--id3v2-only \
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--noreplaygain \
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"${base_file}".flac \
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"${base_file}".mp3
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# lame package from Lucid lacks the --ti switch for image
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# found eyed3 via a web search
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eyeD3 --add-image "${cover}":FRONT_COVER \
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--url-frame="WCOP:${copyright}" \
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"${base_file}".mp3
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echo ""
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echo "Tagging ${base_file}.flac."
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echo ""
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# lossless encoding
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metaflac \
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--import-picture-from="|image/png|||${cover}" \
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--set-tag=title="${title}" \
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--set-tag=artist="${artist}" \
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--set-tag=album="${album}" \
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--set-tag=year="${year}" \
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--set-tag=genre="${genre}" \
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--set-tag=composer="${artist}" \
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--set-tag=comment="${comment}" \
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--set-tag=url="${url}" \
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--set-tag=copyright="${copyright}" \
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"${base_file}".flac
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