String cmd[] = {"-i", src.getAbsolutePath().trim(), "-an", "-c:v", "copy", "/storage/emulated/0/Movies/tmp.264"};
                execFFmpegBinary(cmd);

                String cmd1[] = {"-r", "60", "-i", "/storage/emulated/0/Movies/tmp.264", "-i", src.getAbsolutePath().trim(),
                        "-c", "copy", "-map", "0:v", "-map", "1:a", dest.getAbsolutePath()};
                execFFmpegBinary(cmd1);
            }