Upload files to "/"

2026-07-06 18:52:33 +00:00
commit 8bf4c4a567
2 changed files with 122 additions and 0 deletions
@@ -0,0 +1,80 @@
+#!/bin/bash
+
+# =========================================================
+# Script for resampling audio files to cd resolution
+# and automatically adjusting the peak level
+#
+# Dependencies: SoX, flac, bash, awk
+# =========================================================
+
+function printHelp() {
+  echo 'Usage: cmd [OPTION]... FILES'
+  echo 'Options:'
+  echo '  --help (-h): Print this page'
+  echo '  --no-gain-adjustment (-ng): Disable gain adjustment, no peak level changes'
+  #echo '        '
+  #echo '        '
+  #echo '        '
+}
+
+cmd=sox_ng
+iterations=2
+gainAdjustment=true
+destination='resampled'
+gain='0.00'
+safeGuard='0.00'
+targetLevel='0.01' # -0.01 dB
+files=()
+
+if [[ -z "${*}" ]]; then
+  echo 'No arguments given.'
+  printHelp
+  exit
+fi
+
+for argument in "${@}"; do
+  if [[ "${argument}" == '-h' ]] || [[ "${argument}" == '--help' ]]; then
+    printHelp
+    exit
+  elif [[ "${argument}" == '--no-gain-adjustment' ]] || [[ "${argument}" == '-ng' ]]; then
+    echo 'Disabling gain adjustment...'
+    iterations=1
+    gainAdjustment=false
+  elif [[ ! -r "${argument}" ]]; then
+    echo "The argument or filepath provided \`${argument}\` does not exist, quitting..."
+    exit
+  else
+    files+=("${argument}")
+  fi
+done
+
+mkdir -vp "${destination}"
+
+for (( i = 0 ; i < iterations ; i++ )); do
+  for file in "${files[@]}"; do
+    cmdOutput="$("${cmd}" -DV4 "${file}" -b 16 -t flac "resampled/${file}" gain "${safeGuard}" rate -u -L -d 33 -b 96 44100 gain "${gain}" 2>&1)"
+    clipping="$(echo "${cmdOutput}" | grep -i 'clipped')"
+
+    echo "${cmdOutput}"
+    if [[ -n "${clipping// /}" ]]; then
+      echo 'Audio clipped, resetting...'
+
+      safeGuard="$(echo "${safeGuard} 0.30" | awk '{ print $1 - $2 }')"
+      gain='0.00'
+      i=-1
+      break
+    fi
+  done
+
+  if [[ "${gainAdjustment}" == true ]] && [[ "${i}" != -1 ]]; then
+    peakLevel="$(cd "${destination}" && "${cmd}" "${files[@]}" -n stats 2>&1 | grep 'Pk lev' | awk '{ print $4 }')"
+    if [[ -z "${peakLevel// /}" ]]; then
+      echo 'Error invoking SoX, check dependencies and audio files'
+      exit
+    fi
+    echo -e "\nTracks peak level: ${peakLevel} dB"
+
+    gain="$(echo "${targetLevel} ${peakLevel} ${gain}" | awk '{ print $3 + (($1 + $2) * -1) }')"
+    echo "Applied gain: ${gain} dB"
+  fi
+done