def get_command()

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

• 25 lines of code
• 6 McCabe index (conditional complexity)

    def get_command(self, video_path: str, output_path: str) -> List[str]:
        """
        Concatenates multiple videos together

        @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
        """
        inputs = [["-i", video] for video in self.video_paths]
        flat_inputs = [element for sublist in inputs for element in sublist]
        scale_and_sar, maps = "", ""
        for i in range(len(self.video_paths)):
            scale_and_sar += (
                f"[{i}:v]scale={self.width}:{self.height}[{i}v],[{i}v]setsar=ratio="
                f"{self.sample_aspect_ratio}[{i}vf];"
            )

        for i in range(len(self.video_paths)):
            maps += f"[{i}vf][{i}:a]"

        rest_command = f"concat=n={len(self.video_paths)}:v=1:a=1[v][a]"

        return [
            "-y",
            *flat_inputs,
            "-filter_complex",
            scale_and_sar + maps + rest_command,
            "-map",
            "[v]",
            "-map",
            "[a]",
            "-vsync",
            "2",
            *self.output_fmt(output_path),
        ]