notube-export/lib/services/converter.dart

58 lines
1.5 KiB
Dart

import 'dart:io';
import 'package:flutter/services.dart';
import 'package:path_provider/path_provider.dart';
import 'package:flutter/foundation.dart';
import 'package:process_run/process_run.dart';
class ConverterService {
late Directory tempDir;
late String assetName;
late String ffmpegPath;
ConverterService._();
static Future<ConverterService> init() async {
debugPrint('Initializing DLServices');
var dlService = ConverterService._();
await dlService._init();
return dlService;
}
Future<void> _init() async {
tempDir = await getTemporaryDirectory();
assetName = 'ffmpeg.exe';
await copyExecutable();
}
Future<void> copyExecutable() async {
File tempFile = File('${tempDir.path}/$assetName');
ByteData data = await rootBundle.load('assets/executable/$assetName');
await tempFile.exists().then((value) {
if (!value) {
debugPrint('Copying $assetName to ${tempFile.path}');
tempFile.writeAsBytes(
data.buffer.asUint8List(data.offsetInBytes, data.lengthInBytes));
}
});
ffmpegPath = tempFile.path;
}
Future<Stream> convertFile(String inputPath, String outputPath) async {
debugPrint('Converting $inputPath to $outputPath');
var command = ' -q --flat-playlist -J';
var shellLinesController = ShellLinesController();
var shell = Shell(stdout: shellLinesController.sink);
await shell.run('''
$ffmpegPath $command
''').then((result) {
debugPrint('Analyse result: $result');
});
return shellLinesController.stream;
}
}