X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Frtmp.h;h=bdac6fd31d9808311a40dd5c9743476b17e4690e;hb=11a1033c9fcae380f4da06b2b0253ab0eb82b026;hp=b0436c0391bb5ae1348955b8ce2575c2dc42d28d;hpb=5c14b282d1cc407f6b9efb03564ecac75fb59471;p=ffmpeg

diff --git a/libavformat/rtmp.h b/libavformat/rtmp.h
index b0436c0391b..bdac6fd31d9 100644
--- a/libavformat/rtmp.h
+++ b/libavformat/rtmp.h
@@ -25,9 +25,22 @@
 #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
  * @{
@@ -39,4 +52,29 @@
 #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 */