getAudioDuration static method

Future<Duration> getAudioDuration(String path)

Add audio to video

Implementation

static Future<Duration> getAudioDuration(String path) async {
  XFile fileLocal = XFile(path);
  if (path.isNetworkImage()) {
    final HttpClient httpClient = HttpClient();
    try {
      final File audioPath = File(
          '${await getCacheDirectory()}/${DateTime.now().millisecondsSinceEpoch}.mp3');
      final HttpClientRequest request =
          await httpClient.getUrl(Uri.parse(path));
      final HttpClientResponse response = await request.close();
      if (response.statusCode == 200) {
        final Uint8List bytes =
            await consolidateHttpClientResponseBytes(response);
        await audioPath.writeAsBytes(bytes);
        fileLocal = XFile(audioPath.path);
      } else {}
    } catch (ex) {
      print(ex);
    } finally {
      httpClient.close();
    }
  }

  final Completer<Duration> completer = Completer<Duration>();
  unawaited(
    FFmpegKit.executeAsync(
      '-i ${fileLocal.path} -hide_banner',
      (FFmpegSession session) async {
        final String? output = await session.getOutput();
        if (output != null) {
          final RegExp durationRegExp =
              RegExp(r'Duration: (\d{2}):(\d{2}):(\d{2})\.(\d{2})');
          final RegExpMatch? match = durationRegExp.firstMatch(output);
          if (match != null) {
            final int hours = int.parse(match.group(1)!);
            final int minutes = int.parse(match.group(2)!);
            final int seconds = int.parse(match.group(3)!);
            final int milliseconds = int.parse(match.group(4)!) * 10;
            completer.complete(Duration(
              hours: hours,
              minutes: minutes,
              seconds: seconds,
              milliseconds: milliseconds,
            ));
          } else {
            completer.complete(Duration.zero);
          }
        }
      },
    ),
  );
  return completer.future;
}