compressImage method

Implementation

Future<XFile> compressImage({int quality = 70, int? minHeight, int? minWidth, int rotate = 0}) async {
  final bytes = await readAsBytes();
  int height = 0;
  int width = 0;
  if (minHeight == null || minWidth == null) {
    final size = await imageSize();
    width = size.width.toInt();
    height = size.height.toInt();
  } else {
    width = minWidth;
    height = minHeight;
  }
  if(kIsWeb){
    FFmpeg? ffmpeg;
    try {
      ffmpeg = createFFmpeg(CreateFFmpegParam(log: true));
      ffmpeg.setLogger(_onLogHandler);
      ffmpeg.setProgress(_onProgressHandler);

      // Check ffmpeg.isLoaded() before ffmpeg.load() if you are reusing the same instance
      if (!ffmpeg.isLoaded()) {
        await ffmpeg.load();
      }

      const inputFile = 'input.mp4';
      const outputFile = 'output.mp4';

      ffmpeg.writeFile(inputFile, bytes);

      // Equals to: await ffmpeg.run(['-i', inputFile, '-s', '1920x1080', outputFile]);
      await ffmpeg.runCommand('-i $inputFile -s 1920x1080 $outputFile');

      final data = ffmpeg.readFile(outputFile);
      return XFile.fromData(data);
    } finally {
      // Do not call exit if you want to reuse same ffmpeg instance
      // When you call exit the temporary files are deleted from MEMFS
      // If you are working with multiple inputs you can free any of the via: ffmpeg.unlink('my_input.mp4')
      ffmpeg?.exit();
    }
  }else{
    final result = await FlutterImageCompress.compressWithList(
      bytes,
      minHeight: height,
      minWidth: width,
      quality: quality,
      rotate: rotate,
    );
    return XFile.fromData(result);
  }
}