def get_command()

in augly/video/augmenters/ffmpeg/aspect_ratio.py [0:0]

• 17 lines of code
• 3 McCabe index (conditional complexity)

    def get_command(self, video_path: str, output_path: str) -> List[str]:
        """
        Changes the sample (sar) & display (dar) aspect ratios of the video

        @param video_path: the path to the video to be augmented

        @param output_path: the path in which the resulting video will be stored.

        @returns: a list of strings containing the CLI FFMPEG command for
            the augmentation
        """
        video_info = get_video_info(video_path)

        area = int(video_info["width"]) * int(video_info["height"])
        if isinstance(self.aspect_ratio, float):
            aspect_ratio = float(self.aspect_ratio)
        else:
            num, denom = [int(x) for x in str(self.aspect_ratio).split(":")]
            aspect_ratio = num / denom

        new_w = int(math.sqrt(area * aspect_ratio))
        new_h = int(area / new_w)

        filters = [
            f"scale=width={new_w}:height={new_h},"
            + "pad=width=ceil(iw/2)*2:height=ceil(ih/2)*2,"
            + f"setsar=ratio={self.aspect_ratio},"
            + f"setdar=ratio={self.aspect_ratio}",
        ]

        return self.standard_filter_fmt(video_path, filters, output_path)