88 lines
2.8 KiB
Bash
Executable File
88 lines
2.8 KiB
Bash
Executable File
#!/bin/bash
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# ogg2wav
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#
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# Convert .ogg files in downloads/ to .wav files.
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# It checks sha1 before converting, re-downloads if bad.
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# Dependency: vorbis-tools sox
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#
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# Usage:
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# ogg2wav
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# Example:
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# ogg2wav
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OGGDECOPT=""
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cd download/ || exit
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# Compile a list of ogg files (NOTE: THIS WILL BREAK AS ARCHIVE GROWS XXX)
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echo "Total audio files: `ls -1 */satnogs_*.ogg | wc -l`"
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for i in 13*/satnogs_*.ogg
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do OBSID=`dirname $i`
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# Go into directories with audiofiles
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echo $OBSID
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cd $OBSID
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# See if there is an archive.org XML file, if not, download it.
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XMLURL="https://archive.org/download/satnogs-observation-$OBSID/satnogs-observation-$OBSID""_files.xml"
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XMLFILE=`basename "$XMLURL"`
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[ ! -f "$XMLFILE" ] && \
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curl \
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--location \
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--silent \
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--http2 --ipv4 \
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--remote-time \
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--output $XMLFILE \
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$XMLURL \
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&& sleep `echo $((0 + RANDOM % 1))`
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# Get name of audio file.
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AUDIOURL=`cat $OBSID.json | jq --compact-output '.[0] | {archive_url}' | grep ogg | cut -f 2- -d : | sed -e 's/}//g' -e 's/http:/https:/g' -e 's/"//g'`
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AUDIOFILE=`basename "$AUDIOURL"`
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# Get sha1 for audio file. XXX sgrep dependency XXX
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AUDIOXMLSHA1=`sgrep -g xml \
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'"<file name=\"'$AUDIOFILE'\" source=\"original\"" .. "/file>"' \
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"$XMLFILE" | \
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grep "<sha1>" | \
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sed -e 's/.*<sha1>//' -e 's/<\/sha1>//'`
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AUDIOFILESHA1=`sha1sum $AUDIOFILE | cut -f 1 -d " "`
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WAVFILE="`basename $AUDIOFILE .ogg`.wav"
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AUDIOFILESEC=`soxi -D $AUDIOFILE`
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WAVFILESEC=`soxi -D $WAVFILE`
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echo -e -n "XML: $AUDIOXMLSHA1\nFile: $AUDIOFILESHA1 "
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# Is OGG SHA1 checksum good?
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if [ "$AUDIOXMLSHA1" = "$AUDIOFILESHA1" ] ; then
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# Is WAV file same length as OGG? (or better way to see if WAV is OK?
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if [ "$AUDIOFILESEC" = "$WAVFILESEC" ] ; then
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echo "good wav"
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else
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echo "Encode"
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echo "oggdec $OGGDECOPT $AUDIOFILE"
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ls -hl $AUDIOFILE *wav
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nice oggdec $OGGDECOPT $AUDIOFILE
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fi
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else
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echo "Bad, re-downloading $AUDIOURL"
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rm "$AUDIOFILE"
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curl \
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--location \
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--silent \
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--http2 --ipv4 \
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--remote-time \
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--output $AUDIOFILE \
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$AUDIOURL \
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&& sleep `echo $((0 + RANDOM % 1))`
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AUDIOFILESHA1=`sha1sum $AUDIOFILE | cut -f 1 -d " "`
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echo -e -n "XML: $AUDIOXMLSHA1\nFile: $AUDIOFILESHA1 "
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if [ "$AUDIOXMLSHA1" = "$AUDIOFILESHA1" ] ; then
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echo "Re-download is good, encode"
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echo 'oggdec "$OGGDECOPT" "$AUDIOFILE"'
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nice oggdec $OGGDECOPT $AUDIOFILE
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else
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echo "Still bad after re-downloading, remove"
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rm "$AUDIOFILE"
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fi
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fi
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cd ..
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done
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