From 06d392a7cc93dcab84c225d7e8cb7030d537581f Mon Sep 17 00:00:00 2001 From: Baptiste Coudurier Date: Sun, 22 Oct 2006 15:05:03 +0000 Subject: change gif demuxer to gif decoder Originally committed as revision 6760 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/bytestream.h | 50 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 libavcodec/bytestream.h (limited to 'libavcodec/bytestream.h') diff --git a/libavcodec/bytestream.h b/libavcodec/bytestream.h new file mode 100644 index 0000000000..bd2ce1f6bd --- /dev/null +++ b/libavcodec/bytestream.h @@ -0,0 +1,50 @@ +/* + * Bytestream functions + * copyright (c) 2006 Baptiste Coudurier + * + * 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 */ -- cgit v1.2.3