/* * RTMP definitions * Copyright (c) 2009 Kostya Shishkov * * 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 AVFORMAT_RTMP_H #define AVFORMAT_RTMP_H #include "avformat.h" #define RTMP_DEFAULT_PORT 1935 #define RTMPS_DEFAULT_PORT 443 #define RTMP_HANDSHAKE_PACKET_SIZE 1536 #define HMAC_IPAD_VAL 0x36 #define HMAC_OPAD_VAL 0x5C /** * A non-zero transaction id requires the server to send back * a _result or _error response. * Setting it to 0 marks the message as a notification not * requiring feedback. */ #define RTMP_NOTIFICATION 0 /** * emulated Flash client version - 9.0.124.2 on Linux * @{ */ #define RTMP_CLIENT_PLATFORM "LNX" #define RTMP_CLIENT_VER1 9 #define RTMP_CLIENT_VER2 0 #define RTMP_CLIENT_VER3 124 #define RTMP_CLIENT_VER4 2 /** @} */ //version defines /** * Calculate HMAC-SHA2 digest for RTMP handshake packets. * * @param src input buffer * @param len input buffer length (should be 1536) * @param gap offset in buffer where 32 bytes should not be taken into account * when calculating digest (since it will be used to store that digest) * @param key digest key * @param keylen digest key length * @param dst buffer where calculated digest will be stored (32 bytes) */ int ff_rtmp_calc_digest(const uint8_t *src, int len, int gap, const uint8_t *key, int keylen, uint8_t *dst); /** * Calculate digest position for RTMP handshake packets. * * @param buf input buffer (should be 1536 bytes) * @param off offset in buffer where to start calculating digest position * @param mod_val value used for computing modulo * @param add_val value added at the end (after computing modulo) */ int ff_rtmp_calc_digest_pos(const uint8_t *buf, int off, int mod_val, int add_val); #endif /* AVFORMAT_RTMP_H */