diff --git a/encode.bash b/encode.bash index f697151..12a0b6f 100755 --- a/encode.bash +++ b/encode.bash @@ -2,12 +2,14 @@ if [ -z "$1" ] then echo "Provide a cast type!" + echo "$0 [date]" exit 1 fi type=$1 if [ -z "$2" ] then echo "Provide a slug!" + echo "$0 [date]" exit 2 fi slug=$2 @@ -23,6 +25,7 @@ else fi echo $date +# assemble common values for tags/comments title="The Command Line ${date}" artist="Thomas Gideon" cover="${HOME}/Dropbox/Public/color_cover_art.jpg" @@ -32,6 +35,7 @@ url="http://thecommandline.net/${post_date}/${slug}/" copyright="http://creativecommons.org/licenses/by-sa/3.0/us" comment="Weekly ${type} cast. Email to feedback@thecommandline.net. Show notes and license information for this episode at ${url}." +# lossless encoding flac \ --picture="|image/jpeg|||${cover}" \ --tag=title="${title}" \ @@ -45,8 +49,9 @@ flac \ --tag=copyright="${copyright}" \ cmdln.net_${date}.wav +# AAC encoding, lossy faac -q 100 \ --b 96 \ +-b 112 \ -c 44100 \ -o cmdln.net_${date}.m4a \ --title "${title}" \ @@ -56,13 +61,30 @@ faac -q 100 \ --genre "${genre}" \ --writer "${artist}" \ --comment "${comment}" \ ---cover-art ~/Dropbox/Public/color_cover_art.jpg \ +--cover-art "${cover}" \ cmdln.net_${date}.wav +# put together the just-so input file for mp4chaps +echo "00:00:00.000 Start" > \ +cmdln.net_${date}.chapters.txt +grep "{{offset|" ~/Documents/cmdln_notes/weekly_archive/${date}.notes | \ +sed -e "s/.*offset|\(.*\)}}.*|\(.*\)}}.*/\1 \2/" >> \ +cmdln.net_${date}.chapters.txt + +# write the chapter marks to the AAC/MP4 file +mp4chaps -o -z -i cmdln.net_${date}.m4a + +# encode the Ogg Vorbis from the flac copies the tags/comments +# already set into the flac file except the cover art; +# using metaflac, can encode the binary block in flac +# per the latest recommendations from Xiph for cover art oggenc \ +-q 4 \ --comment=METADATA_BLOCK_PICTURE="$(metaflac --export-picture-to=- cmdln.net_${date}.flac| base64 -w 0)" \ cmdln.net_${date}.flac +# encode lossy, MP3, adding ID3v2 tags for everything +# *except* cover art lame -b 112 \ --cbr \ --tt "${title}" \ @@ -76,3 +98,8 @@ lame -b 112 \ cmdln.net_${date}.wav \ cmdln.net_${date}.mp3 +# lame package from Lucid lacks the --ti switch for image +# found eyed3 via a web search +eyeD3 --add-image ${cover}:FRONT_COVER \ +--set-text-frame="TCOP:${copyright}" \ +cmdln.net_${date}.mp3