blob: 6600da74f01139ee1c277024448dfd371268872c
1 | /* |
2 | * RTMP definitions |
3 | * Copyright (c) 2009 Konstantin Shishkov |
4 | * |
5 | * This file is part of FFmpeg. |
6 | * |
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. |
11 | * |
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. |
16 | * |
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 |
20 | */ |
21 | |
22 | #ifndef AVFORMAT_RTMP_H |
23 | #define AVFORMAT_RTMP_H |
24 | |
25 | #include "avformat.h" |
26 | |
27 | #define RTMP_DEFAULT_PORT 1935 |
28 | #define RTMPS_DEFAULT_PORT 443 |
29 | |
30 | #define RTMP_HANDSHAKE_PACKET_SIZE 1536 |
31 | |
32 | /** |
33 | * emulated Flash client version - 9.0.124.2 on Linux |
34 | * @{ |
35 | */ |
36 | #define RTMP_CLIENT_PLATFORM "LNX" |
37 | #define RTMP_CLIENT_VER1 9 |
38 | #define RTMP_CLIENT_VER2 0 |
39 | #define RTMP_CLIENT_VER3 124 |
40 | #define RTMP_CLIENT_VER4 2 |
41 | /** @} */ //version defines |
42 | |
43 | /** |
44 | * Calculate HMAC-SHA2 digest for RTMP handshake packets. |
45 | * |
46 | * @param src input buffer |
47 | * @param len input buffer length (should be 1536) |
48 | * @param gap offset in buffer where 32 bytes should not be taken into account |
49 | * when calculating digest (since it will be used to store that digest) |
50 | * @param key digest key |
51 | * @param keylen digest key length |
52 | * @param dst buffer where calculated digest will be stored (32 bytes) |
53 | */ |
54 | int ff_rtmp_calc_digest(const uint8_t *src, int len, int gap, |
55 | const uint8_t *key, int keylen, uint8_t *dst); |
56 | |
57 | /** |
58 | * Calculate digest position for RTMP handshake packets. |
59 | * |
60 | * @param buf input buffer (should be 1536 bytes) |
61 | * @param off offset in buffer where to start calculating digest position |
62 | * @param mod_val value used for computing modulo |
63 | * @param add_val value added at the end (after computing modulo) |
64 | */ |
65 | int ff_rtmp_calc_digest_pos(const uint8_t *buf, int off, int mod_val, |
66 | int add_val); |
67 | |
68 | #endif /* AVFORMAT_RTMP_H */ |
69 |