ffmpeg/libavcodec/bytestream.h
Baptiste Coudurier 06d392a7cc change gif demuxer to gif decoder
Originally committed as revision 6760 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-10-22 15:05:03 +00:00

51 lines
1.4 KiB
C

/*
* 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 always_inline unsigned int bytestream_get_le32(uint8_t **b)
{
(*b) += 4;
return LE_32(*b - 4);
}
static always_inline unsigned int bytestream_get_le16(uint8_t **b)
{
(*b) += 2;
return LE_16(*b - 2);
}
static always_inline unsigned int bytestream_get_byte(uint8_t **b)
{
(*b)++;
return (*b)[-1];
}
static always_inline unsigned int bytestream_get_buffer(uint8_t **b, uint8_t *dst, unsigned int size)
{
memcpy(dst, *b, size);
(*b) += size;
return size;
}
#endif /* FFMPEG_BYTESTREAM_H */