PeerStreamer

/*

 * Bytestream functions

 * copyright (c) 2006 Baptiste Coudurier <baptiste.coudurier@free.fr>

 *

 * 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

 */

#ifndef FFMPEG_BYTESTREAM_H

#define FFMPEG_BYTESTREAM_H

static av_always_inline unsigned int bytestream_get_le32(uint8_t **b)

{

    (*b) += 4;

    return LE_32(*b - 4);

}

static av_always_inline unsigned int bytestream_get_le16(uint8_t **b)

{

    (*b) += 2;

    return LE_16(*b - 2);

}

static av_always_inline unsigned int bytestream_get_byte(uint8_t **b)

{

    (*b)++;

    return (*b)[-1];

}

static av_always_inline unsigned int bytestream_get_buffer(uint8_t **b, uint8_t *dst, unsigned int size)

{

    memcpy(dst, *b, size);

    (*b) += size;

    return size;

}

static av_always_inline void bytestream_put_be32(uint8_t **b, const unsigned int value)

{

    *(*b)++ = value >> 24;

    *(*b)++ = value >> 16;

    *(*b)++ = value >> 8;

    *(*b)++ = value;

};

static av_always_inline void bytestream_put_be16(uint8_t **b, const unsigned int value)

{

    *(*b)++ = value >> 8;

    *(*b)++ = value;

}

static av_always_inline void bytestream_put_le32(uint8_t **b, const unsigned int value)

{

    *(*b)++ = value;

    *(*b)++ = value >> 8;

    *(*b)++ = value >> 16;

    *(*b)++ = value >> 24;

}

static av_always_inline void bytestream_put_le16(uint8_t **b, const unsigned int value)

{

    *(*b)++ = value;

    *(*b)++ = value >> 8;

}

static av_always_inline void bytestream_put_byte(uint8_t **b, const unsigned int value)

{

    *(*b)++ = value;

}

static av_always_inline void bytestream_put_buffer(uint8_t **b, const uint8_t *src, unsigned int size)

{

    memcpy(*b, src, size);

    (*b) += size;

}

#endif /* FFMPEG_BYTESTREAM_H */