Video paths containing spaces break ffmpeg calls about videohash HOT 3 CLOSED

    def extract(self):
        """
        Extract the frames at every n seconds where n is the
        integer set to self.interval.
        """
        ffmpeg_path = self.ffmpeg_path
        video_path = self.video_path
        output_dir = self.output_dir
        if os.name == "posix":
            ffmpeg_path = shlex.quote(self.ffmpeg_path)
            video_path = shlex.quote(self.video_path)
            output_dir = shlex.quote(self.output_dir)

        command = (
            f'"{ffmpeg_path}"'
            + " -i "
            + '"'
            + video_path
            + '"'
            + " -s 144x144 "
            + " -r "
            + str(self.interval)
            + " "
            + '"'
            + output_dir
            + "video_frame_%07d.jpeg"
            + '"'
        )

        process = Popen(command, shell=True, stdout=PIPE, stderr=PIPE)