/*
* RTMP definitions
- * Copyright (c) 2009 Kostya Shishkov
+ * Copyright (c) 2009 Konstantin Shishkov
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#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
+
/**
* emulated Flash client version - 9.0.124.2 on Linux
* @{
#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 */