carousel

 StatefulBuilder(builder: (context, setState) {
              return CarouselSlider.builder(
                  carouselController: carouselController,
                  itemCount: model.advertList.length,
                  itemBuilder: (context, index, i) {
                    AdvertModel ad = model.advertList[index];

                    // model.determineCarouselLength(, type)
                    return ad.advertMediaType!.mediaType == "video"
                        ? AjeoVideoPlayer(
                            videoUrl: ad.advertMedia!,
                            viewModel: model,
                            // type: e.advertMediaType!.mediaType!
                          )
                        : CarouselImage(
                            size: size,
                            e: ad,
                            viewModel: model,
                          );

                  },
                  options: CarouselOptions(
                    // onScrolled: ,
                    height: 160.h,

                    aspectRatio: 16 / 9,

                    viewportFraction: 1.0,
                    initialPage: 0,
                    // enableInfiniteScroll: true,
                    reverse: false,
                    autoPlay: isPlaying,
                    autoPlayInterval: model.carouselDuration,
                    autoPlayAnimationDuration: const Duration(seconds: 4),
                    autoPlayCurve: Curves.easeInOutQuart,
                    enlargeCenterPage: true,
                    onPageChanged: (index, reason) {
                      model.setCurrentIndex(index);
                      // setState(() {
                      //   model.carouselDuration = Duration(seconds: 40);
                      // });
                      log(model.carouselDuration.toString());
                    },
                    // onPageChanged: callbackFunction,
                    scrollDirection: Axis.horizontal,
                  ));
            }),