PeerStreamer

/*

 * Copyright (c) 2009 Baptiste Coudurier <baptiste.coudurier@gmail.com>

 *

 * This file is part of FFmpeg.

 *

 * FFmpeg is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2.1 of the License, or (at your option) any later version.

 *

 * FFmpeg is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with FFmpeg; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

 */

#include <unistd.h>

#include <fcntl.h>

#include "timer.h"

#include "random_seed.h"

uint32_t ff_random_get_seed(void)

{

    uint32_t seed;

    int fd;

    if ((fd = open("/dev/random", O_RDONLY)) == -1)

        fd = open("/dev/urandom", O_RDONLY);

    if (fd != -1){

        int err = read(fd, &seed, 4);

        close(fd);

        if (err == 4)

        return seed;

    }

#ifdef AV_READ_TIME

    seed = AV_READ_TIME();

#endif

    // XXX what to do ?

    return seed;

}