3 * Copyright (c) 2009 Konstantin Shishkov
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 #ifndef AVFORMAT_RTMP_H
23 #define AVFORMAT_RTMP_H
27 #define RTMP_DEFAULT_PORT 1935
28 #define RTMPS_DEFAULT_PORT 443
30 #define RTMP_HANDSHAKE_PACKET_SIZE 1536
32 #define HMAC_IPAD_VAL 0x36
33 #define HMAC_OPAD_VAL 0x5C
36 * emulated Flash client version - 9.0.124.2 on Linux
39 #define RTMP_CLIENT_PLATFORM "LNX"
40 #define RTMP_CLIENT_VER1 9
41 #define RTMP_CLIENT_VER2 0
42 #define RTMP_CLIENT_VER3 124
43 #define RTMP_CLIENT_VER4 2
44 /** @} */ //version defines
47 * Calculate HMAC-SHA2 digest for RTMP handshake packets.
49 * @param src input buffer
50 * @param len input buffer length (should be 1536)
51 * @param gap offset in buffer where 32 bytes should not be taken into account
52 * when calculating digest (since it will be used to store that digest)
53 * @param key digest key
54 * @param keylen digest key length
55 * @param dst buffer where calculated digest will be stored (32 bytes)
57 int ff_rtmp_calc_digest(const uint8_t *src, int len, int gap,
58 const uint8_t *key, int keylen, uint8_t *dst);
61 * Calculate digest position for RTMP handshake packets.
63 * @param buf input buffer (should be 1536 bytes)
64 * @param off offset in buffer where to start calculating digest position
65 * @param mod_val value used for computing modulo
66 * @param add_val value added at the end (after computing modulo)
68 int ff_rtmp_calc_digest_pos(const uint8_t *buf, int off, int mod_val,
71 #endif /* AVFORMAT_RTMP_H */