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/*
* 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 AV_RL32(*b - 4);
}
static av_always_inline unsigned int bytestream_get_le16(uint8_t **b)
{
(*b) += 2;
return AV_RL16(*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 */
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