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#!/bin/bash
# This script converts all .wav and .aif files from assets/originals
# into .spec files in assets/final using the spectool utility.
set -euo pipefail
# --- Configuration ---
PROJECT_ROOT=$(git rev-parse --show-toplevel)
SOURCE_DIR="${PROJECT_ROOT}/assets/originals"
DEST_DIR="${PROJECT_ROOT}/assets/final"
SPECTOOL_PATH="${PROJECT_ROOT}/build/spectool"
TEMP_WAV_DIR=$(mktemp -d)
# --- Pre-flight Checks ---
if ! command -v ffmpeg &> /dev/null; then
echo "Error: ffmpeg is not installed or not in your PATH."
echo "Please install it to handle .aif files."
exit 1
fi
if [ ! -f "${SPECTOOL_PATH}" ]; then
echo "Error: spectool not found at ${SPECTOOL_PATH}"
echo "Please build the project first (e.g., cmake -S . -B build && cmake --build build)"
exit 1
fi
echo "Source directory: ${SOURCE_DIR}"
echo "Destination directory: ${DEST_DIR}"
echo "Using spectool: ${SPECTOOL_PATH}"
# --- Processing ---
process_file() {
local input_file="$1"
local base_name
base_name=$(basename "$input_file")
local output_name
output_name=$(echo "${base_name%.*}" | tr '[:lower:]' '[:upper:]' | tr ' ' '_')
local spec_file="${DEST_DIR}/${output_name}.spec"
local file_to_process="$input_file"
# Convert .aif to .wav if necessary
if echo "${base_name}" | tr '[:upper:]' '[:lower:]' | grep -q ".aif$"; then
echo "Converting AIF to WAV: ${base_name}"
temp_wav="${TEMP_WAV_DIR}/${output_name}.wav"
ffmpeg -i "$input_file" -y "$temp_wav" &> /dev/null
file_to_process="$temp_wav"
fi
echo "Generating spectrogram: ${base_name} -> ${output_name}.spec"
"${SPECTOOL_PATH}" analyze "$file_to_process" "$spec_file"
}
# Find and process all audio files
find "$SOURCE_DIR" -type f \( -name "*.wav" -o -name "*.aif" \) | while read -r audio_file; do
process_file "$audio_file"
done
# --- Cleanup ---
rm -rf "$TEMP_WAV_DIR"
echo "Spectrogram generation complete."
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