File size: 3,180 Bytes
9e060c3 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 | #!/bin/bash
INPUT_DIR="/mnt/jonathanDisk/ivritData"
OUTPUT_DIR="/mnt/jonathanDisk/ivritDataOpus"
CACHE_DIR="$HOME/ivritCache"
WORKERS=24
# 1. Capture exact paths to prevent 'Unknown encoder libopus' environment errors
FF_CMD=$(which ffmpeg)
PROBE_CMD=$(which ffprobe)
echo "======================================================"
echo "Starting Master Audio Pipeline"
echo "Workers: $WORKERS"
echo "FFmpeg path: $FF_CMD"
echo "======================================================"
# Ensure all base directories exist
mkdir -p "$OUTPUT_DIR"
mkdir -p "$CACHE_DIR"
echo ""
echo ">>> PHASE 1: Auditing and fixing existing 230GB in Output Directory..."
find "$OUTPUT_DIR" -type f -name "*.opus" -print0 | xargs -0 -P "$WORKERS" -I {} bash -c '
file="$1"
ffmpeg_bin="$2"
ffprobe_bin="$3"
# Check if the file is already mono (1 channel)
channels=$("$ffprobe_bin" -v error -show_entries stream=channels -of default=noprint_wrappers=1:nokey=1 "$file" 2>/dev/null)
# If it is NOT 1 channel, fix it in-place
if [ "$channels" != "1" ]; then
if "$ffmpeg_bin" -y -hide_banner -loglevel error -i "$file" -af "aresample=resample_cutoff=0.98" -ar 16000 -ac 1 -c:a libopus "${file}.tmp.opus"; then
mv "${file}.tmp.opus" "$file"
else
echo "Error fixing: $file"
fi
fi
' _ {} "$FF_CMD" "$PROBE_CMD"
echo ">>> PHASE 1 COMPLETE."
echo ""
echo ">>> PHASE 2: Processing new unencoded files from Input Directory..."
find "$INPUT_DIR" -type f \( -iname \*.wav -o -iname \*.mp3 -o -iname \*.flac -o -iname \*.m4a -o -iname \*.ogg \) -print0 | xargs -0 -P "$WORKERS" -I {} bash -c '
infile="$1"
in_dir="$2"
out_dir="$3"
cache_dir="$4"
ffmpeg_bin="$5"
# Calculate the relative path to maintain your exact folder hierarchy
relpath="${infile#$in_dir/}"
# Define target and cache subfolders
target_folder="$out_dir/$(dirname "$relpath")"
cache_folder="$cache_dir/$(dirname "$relpath")"
filename=$(basename "$infile")
outfile="$target_folder/${filename%.*}.opus"
# >>> SKIP IF ALREADY EXISTS <<<
if [ -f "$outfile" ]; then
exit 0
fi
# Create the specific subfolders if they do not exist
mkdir -p "$target_folder"
mkdir -p "$cache_folder"
cache_source="$cache_folder/$filename"
cache_target="$cache_folder/${filename%.*}.opus"
# Copy to SSD Cache
if cp "$infile" "$cache_source"; then
# Encode reading from SSD and writing to SSD
if "$ffmpeg_bin" -y -hide_banner -loglevel error -i "$cache_source" -af "aresample=resample_cutoff=0.98" -ar 16000 -ac 1 -c:a libopus "$cache_target"; then
# Move back to HDD
mv "$cache_target" "$outfile"
else
echo "Error encoding: $infile"
fi
# Clean up SSD Cache
rm -f "$cache_source"
else
echo "Error copying to SSD cache: $infile"
fi
' _ {} "$INPUT_DIR" "$OUTPUT_DIR" "$CACHE_DIR" "$FF_CMD"
echo ">>> PHASE 2 COMPLETE."
echo "======================================================"
echo "Pipeline Finished! All data is strictly 16kHz and Mono."
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