getAudioInfo method

Implementation

@override
Future<Map<String, dynamic>> getAudioInfo(String inputPath) async {
  try {
    // For web, we can get basic info using HTML Audio element
    final audio = web.HTMLAudioElement();
    final completer = Completer<Map<String, dynamic>>();

    void onLoadedMetadata() {
      final info = <String, dynamic>{
        'duration':
            (audio.duration * 1000).round(), // Convert to milliseconds
        'format': inputPath.split('.').last.toLowerCase(),
        'channels': 2, // HTML Audio API doesn't expose channel count
        'sampleRate': 44100, // Default assumption for web
        'bitRate': 128, // Default assumption
        'fileSize': 0, // Not available from HTML Audio API
        'platform': 'web',
        'supported': true,
      };
      completer.complete(info);
    }

    void onError() {
      completer.completeError('Failed to load audio file');
    }

    // Set up event listeners
    audio.addEventListener('loadedmetadata', onLoadedMetadata.toJS);
    audio.addEventListener('error', onError.toJS);

    // Set source and load
    audio.src = inputPath;
    audio.load();

    return await completer.future.timeout(
      const Duration(seconds: 10),
      onTimeout: () => throw TimeoutException('Audio loading timed out'),
    );
  } catch (e) {
    throw Exception('Failed to get audio info on web: $e');
  }
}