3 * This file is part of FFmpeg.
5 * FFmpeg is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
10 * FFmpeg is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with FFmpeg; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 #ifndef AVFORMAT_AVIO_INTERNAL_H
21 #define AVFORMAT_AVIO_INTERNAL_H
25 int ffio_init_context(AVIOContext *s,
26 unsigned char *buffer,
30 int (*read_packet)(void *opaque, uint8_t *buf, int buf_size),
31 int (*write_packet)(void *opaque, uint8_t *buf, int buf_size),
32 int64_t (*seek)(void *opaque, int64_t offset, int whence));
36 * Read size bytes from AVIOContext into buf.
37 * This reads at most 1 packet. If that is not enough fewer bytes will be
39 * @return number of bytes read or AVERROR
41 int ffio_read_partial(AVIOContext *s, unsigned char *buf, int size);
43 void ffio_fill(AVIOContext *s, int b, int count);
45 #define ffio_wfourcc(pb, str) avio_wl32(pb, MKTAG((str)[0], (str)[1], (str)[2], (str)[3]))
47 #endif // AVFORMAT_AVIO_INTERNAL_H