Batch Processor

Batch Processor

Module	limewire/pages/batch_processor.py
Class	BatchProcessorPage(ScrollFrame)

Overview

Batch audio processing page that applies multiple operations to many files at once. Supports loudness normalization, format conversion, fade in/out, silence trimming, and metadata stripping. Operations run in a background thread with progress tracking and cancellation support.

Features

• Add files individually or scan entire folders
• File list display with count
• Six toggleable operations:
  • Normalize loudness (configurable target dBFS)
  • Convert format (mp3, wav, flac, ogg, m4a)
  • Fade in (configurable duration)
  • Fade out (configurable duration)
  • Trim silence (configurable threshold dBFS)
  • Strip metadata
• Fade curve options: linear, exponential, logarithmic
• Background processing with progress bar
• Cancel button to abort mid-batch
• Per-page settings: silence threshold, fade curve

Key Methods

Method	Description
_add_files()	Open file dialog to add audio files
_add_folder()	Recursively add all audio files from a folder
_clear_files()	Clear the file list
_run()	Execute all enabled operations on all files in a background thread
_cancel()	Set cancel flag to abort processing
_process_file(path)	Apply selected operations to a single file