ffmpeg single quote in drawtext

Question

I haven\'t been able to get ffmpeg\'s drawtext video filter to draw apostrophes/single quotes when they are in drawtext\'s \"text=\" parameter, even when I escape them. Doub

Answer 1

// This works for me

public function replaceSpecialFfmpegChars($text)
    {
        return str_replace(
            ":",
            "\\\\\\\\\\\:",
            str_replace(
                "%",
                "\\\\\\\\\\\%",
                str_replace(
                    "'",
                    "'\\\\\\\\\\\\''",
                    str_replace(
                        "\"",
                        "\\\\\\\\\\\"",
                        str_replace(
                            "\\",
                            "\\\\\\\\\\\\\\\\",
                            $text
                        )
                    )
                )
            )
        );
    }