How to convert Video to FLV for Flv Player ? : java code , Examples

How to convert Video to FLV for Flv Player

public int compressVideioFLV(String inputVideo, String outputVidio) {
        int returnCode = 0;
        Process process;
        try {
            System.out.println("compressVideioFLV called");
            System.out.println("inputVideo:"+inputVideo);
            System.out.println("outputVidio:"+outputVidio);
            String[] command = { "ffmpeg", "-i", inputVideo , "-ar", "22050", "-ab", "32","-f","flv","-s","422x252", outputVidio};
            System.out.println("11:");
            process = Runtime.getRuntime().exec(command);
            System.out.println("after process FLV");
            returnCode = process.waitFor();
            System.out.println("returnCode FLV:"+returnCode);

        } catch (IOException e) {
            e.printStackTrace();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        return returnCode;

    }