How to compress the video from 1 second

Question

Hello im really stuck at the problem. The problem that I have is that my video has a black Fram at the begging . I know exactly how long the black frame is showing . Its exactly milliseconds: 24 . Now I wanna compress the video to cut the first 24 milliseconds off . But the problem is that the plugin im using .

https://pub.dev/packages/video_compress has a variable called int: starttime. So I think this is the start time. But how can I now add as star time from 24 milliseconds? This is how the code for it looks like

  compressvideo() async {
    try {
      if (widget.imageSource == ImageSource.gallery) {
        print("waööa ich bin eine hureee !!!!!!!");
        final compressedvideo =
            await VideoCompress.compressVideo(widget.videopathasstring,
                quality: VideoQuality.DefaultQuality, //
                startTime: 999999999999999999);
        return File(compressedvideo.path);
      } else {
        final compressedvideo = await VideoCompress.compressVideo(
          widget.videopathasstring,
          quality: VideoQuality.DefaultQuality, //

        );

        return File(compressedvideo.path);
      }
    } catch (e) {
      Navigator.pop(context);
    }
  }

I tried several solution nothing worked. Please help !!!!

The black frame comes from using the trimmer package https://pub.dev/packages/video_trimmer/changelog

I don't know why but when I use exactly like in the example it always making the first frame of video Black

  double _startValue = 0.0;
  double _endValue = 0.0;

    await _trimmer.saveTrimmedVideo(
                                startValue: _startValue,
                                endValue: _endValue,
                                onSave: (String outputPath) {
                                  File file = new File(outputPath);
                           

                                  Navigator.pop(context);
                                  Navigator.push(
                                      context,
                                      PageRouteBuilder(
                                          transitionDuration:
                                              Duration(milliseconds: 250),
                                          transitionsBuilder: (BuildContext
                                                  context,
                                              Animation<double> animation,
                                              Animation<double> setAnimation,
                                              Widget child) {
                                            return ScaleTransition(
                                              scale: animation,
                                              child: child,
                                              alignment: Alignment.center,
                                            );
                                          },
                                          pageBuilder: (BuildContext context,
                                              Animation<double> animation,
                                              Animation<double> setAnimation) {
                                            return CreateVideo2(
                                              videofile: file,
                                              videopathasstring: outputPath,
                                              imageSource: widget.imageSource,
                                            );
                                          }));
                                });

I tried also to increase the double _startValue . But the problem happens only after trimming the video .