def load_into_video_and_process(self, line):
        """
        Loads a video or image sequence, processes it, and returns the path to the processed video.

        Args:
            line (dict): A dictionary containing the following keys:
                - 'prefix' (str): The prefix path to the video or image sequence.
                - 'video' (str): The video file name or directory containing image frames.
                - 'data_type' (str): The type of data, either 'gif', 'webm', or 'frame'.
                - 'bound' (bool): Whether to process a subclip of the video.
                - 'start' (float): The start time of the subclip (if 'bound' is True).
                - 'end' (float): The end time of the subclip (if 'bound' is True).

        Returns:
            str: The path to the processed video file.

        Raises:
            ImportError: If MoviePy is not installed.
        """
        try:
            from moviepy.editor import VideoFileClip, ImageSequenceClip
        except:
            raise ImportError(
                'MoviePy is not installed, please install it by running "pip install moviepy==1.0.3"'
            )
        video_path = os.path.join(self.data_root, line['prefix'], line['video'])

        if line['data_type'] in ['gif'] or os.path.splitext(video_path)[1] in ['.webm']:
            processed_video_path = video_path.replace(os.path.splitext(video_path)[1], '.mp4')
            if not os.path.exists(processed_video_path):
                # using MoviePy to transform GIF, webm into mp4 format
                gif_clip = VideoFileClip(video_path)
                gif_clip.write_videofile(processed_video_path, codec='libx264')
                gif_clip.close()
        elif line['data_type'] in ['frame']:
            input_images = os.path.join(video_path, '*.jpg')
            processed_video_path = f'{video_path}.mp4'
            if not os.path.exists(processed_video_path):
                # using MoviePy to transform images into mp4
                image_files = sorted(glob.glob(input_images))
                image_clip = ImageSequenceClip(image_files, fps=self.frame_fps)
                image_clip.write_videofile(processed_video_path, codec='libx264')
                image_clip.close()
        else:
            processed_video_path = video_path

        if line['bound']:
            base_name, suffix = os.path.splitext(processed_video_path)
            output_video_path = f'{base_name}_processed{suffix}'
            if not os.path.exists(output_video_path):
                video_clip = VideoFileClip(processed_video_path)
                clip = video_clip.subclip(line['start'], min(line['end'], video_clip.duration))
                clip.write_videofile(output_video_path)
                clip.close()
        else:
            output_video_path = processed_video_path

        return output_video_path

        Loads a video or image sequence, processes it, and returns the path to the processed video.

        Args:
            line (dict): A dictionary containing the following keys:
                - 'prefix' (str): The prefix path to the video or image sequence.
                - 'video' (str): The video file name or directory containing image frames.
                - 'data_type' (str): The type of data, either 'gif', 'webm', or 'frame'.
                - 'bound' (bool): Whether to process a subclip of the video.
                - 'start' (float): The start time of the subclip (if 'bound' is True).
                - 'end' (float): The end time of the subclip (if 'bound' is True).

        Returns:
            str: The path to the processed video file.

        Raises:
            ImportError: If MoviePy is not installed.
        
vlmeval/dataset/tamperbench.py