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@@ -12,7 +12,7 @@ fi
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file=$1
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file=$1
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sep=$2
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sep=$2
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-FFMPEG="docker run -ti --rm -v $(pwd):/data -w /data linuxserver/ffmpeg"
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+FFMPEG="docker run -ti --rm -v $(pwd):/data -w /data linuxserver/ffmpeg -hide_banner -loglevel error"
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FFPROBE="docker run -ti --rm -v $(pwd):/data -w /data --entrypoint ffprobe linuxserver/ffmpeg"
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FFPROBE="docker run -ti --rm -v $(pwd):/data -w /data --entrypoint ffprobe linuxserver/ffmpeg"
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CLIP_LEN=60
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CLIP_LEN=60
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@@ -21,24 +21,31 @@ audio_len=$($FFPROBE -v error -show_entries format=duration -of default=noprint_
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max_start=$(expr $audio_len - $CLIP_LEN)
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max_start=$(expr $audio_len - $CLIP_LEN)
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# first make a bunch of 60s clips with random start positions
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# first make a bunch of 60s clips with random start positions
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+echo "Making the clips"
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for i in {0..59}; do
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for i in {0..59}; do
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+ echo -n "$i "
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rand_start=$(($RANDOM % $max_start))
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rand_start=$(($RANDOM % $max_start))
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outfile="clip-$i.wav"
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outfile="clip-$i.wav"
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$FFMPEG -ss $rand_start -t 60 -i $file $outfile
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$FFMPEG -ss $rand_start -t 60 -i $file $outfile
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done
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done
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+echo
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# next loop over those clips and shrink them appropriately
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# next loop over those clips and shrink them appropriately
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+echo "Adjusting tempo"
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for i in {1..59}; do
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for i in {1..59}; do
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+ echo -n "$i "
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outfile="clip-$i.wav"
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outfile="clip-$i.wav"
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infile="_$outfile.tmp"
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infile="_$outfile.tmp"
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mv $outfile $infile
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mv $outfile $infile
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- tempo=$(echo "0.033 * 60"| bc)
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+ tempo=$(echo "0.033 * $i"| bc)
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$FFMPEG -i $infile -filter:a "atempo=$tempo" -vn $outfile
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$FFMPEG -i $infile -filter:a "atempo=$tempo" -vn $outfile
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rm $infile
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rm $infile
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done
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done
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+echo
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# stitch em together
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# stitch em together
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# Using a file here because i need to access it in docker
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# Using a file here because i need to access it in docker
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+echo "Stitching them together"
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>_concat
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>_concat
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for i in {0..59}; do
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for i in {0..59}; do
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echo "file clip-$i.wav" >>_concat
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echo "file clip-$i.wav" >>_concat
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Joe Ceresini