File size: 2,306 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 | #!/bin/bash
INPUT_DIR="/mnt/jonathanDisk/ivritData"
OUTPUT_DIR="/mnt/jonathanDisk/ivritDataOpus"
CACHE_DIR="$HOME/ivritCache"
WORKERS=24
echo "Initializing FFmpeg CPU flood with $WORKERS workers..."
echo "Input: $INPUT_DIR"
echo "Output: $OUTPUT_DIR"
echo "SSD Cache: $CACHE_DIR"
# Ensure all base directories exist
mkdir -p "$OUTPUT_DIR"
mkdir -p "$CACHE_DIR"
# 1. Find all audio files
# 2. Pipe into xargs with -P to run $WORKERS in parallel
# 3. Pass infile, input_dir, output_dir, and cache_dir cleanly into the subshell
find "$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="$4"
# Calculate the relative path to maintain your exact folder hierarchy
relpath="${infile#$in_dir/}"
# Define target and cache subfolders
target_folder="$out_dir/$(dirname "$relpath")"
cache_folder="$cache_dir/$(dirname "$relpath")"
# Create the specific subfolders if they do not exist
mkdir -p "$target_folder"
mkdir -p "$cache_folder"
# Set up filenames for the SSD cache and HDD destination
filename=$(basename "$infile")
cache_source="$cache_folder/$filename"
cache_target="$cache_folder/${filename%.*}.opus"
outfile="$target_folder/${filename%.*}.opus"
# STEP 1: Copy the source file from the HDD to the SSD
# We use an `if` statement so we only encode if the copy succeeds
# (prevents zero-byte errors if your SSD gets full)
if cp "$infile" "$cache_source"; then
# STEP 2: Run FFmpeg reading from the SSD and writing to the SSD
if ffmpeg -y -hide_banner -loglevel error -i "$cache_source" -ar 16000 -c:a libopus "$cache_target"; then
# STEP 3: Move the finished Opus file back to the HDD
mv "$cache_target" "$outfile"
else
echo "Error encoding: $infile"
fi
# STEP 4: Delete the source copy from the SSD to free up space
rm -f "$cache_source"
else
echo "Error copying to SSD cache: $infile"
fi
' _ {} "$INPUT_DIR" "$OUTPUT_DIR" "$CACHE_DIR"
echo "Pipeline complete! All files converted and moved to HDD."
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