1 files changed, 104 insertions, 0 deletions
diff --git a/src/lrtp.h b/src/lrtp.h
index 7428997..ce6b0e2 100644
--- a/src/lrtp.h
+++ b/src/lrtp.h
@@ -27,4 +27,108 @@
  */
 #ifndef __LRTP_LRTP_H__
 #define __LRTP_LRTP_H__
+
+#ifdef WIN32
+#ifdef BUILD_DLL
+/* DLL export */
+#define EXPORT __declspec(dllexport)
+#else
+/* EXE import */
+#define EXPORT __declspec(dllimport)
+#endif
+#else
+#define EXPORT
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdlib.h>
+
+#include "lrtp_profiles.h"
+
+struct lrtp_t;
+
+EXPORT
+struct lrtp_t *lrtp_init(const char *key, unsigned int ssrc);
+
+EXPORT
+void lrtp_close(struct lrtp_t *lrtp);
+
+struct lrtp_profile_t;
+
+/**
+ * @param ...
+ */
+EXPORT
+struct lrtp_profile_t *lrtp_create_profile(struct lrtp_t *lrtp,
+                                           lrtp_profile_id_t profile_id,
+                                           unsigned int csrc, ...);
+
+EXPORT
+void lrtp_destroy_profile(struct lrtp_t *lrtp, unsigned int csrc);
+
+typedef enum {
+  // Errors:
+  PACK_ERROR            = 1000, // Error...
+  PACK_BUFFER_TOO_SMALL = 1001, // Packet buffer needs to be bigger.
+  PACK_UNKNOWN_PROFILE  = 1002, // Illegal profile id
+  PACK_MISSING_PROFILE  = 1003, // Profile pointer NULL or not valid.
+} lrtp_pack_status_t;
+
+/**
+ * Enqueue a media frame for the packetiser.
+ * @param profile A pointer to profile needed for processing the frame type.
+ * @param framedate The frame data that needs encapsulation.
+ * @param framesize The size in bytes of the frame data.
+ * @return 0 on success, or a negative error code on error.
+ * NOTE: The frame pointer cannot be freed or overwritten until all frame data
+ * has been handled by lrtp_pack(). Either call lrtp_pack() until it returns 0
+ * after each call to lrtp_enqueue_frame or use the
+ * OPTION_SET_PROCESS_FINISHED_HANDLER option to set a process finished handler.
+ * See lrtp_profiles.h for further details.
+ */
+EXPORT
+int lrtp_enqueue_frame(struct lrtp_profile_t *profile,
+                       const char *framedate, size_t framesize);
+
+/**
+ * Handle frame data from the frame queue and create at most a single sRTP
+ * packet.
+ * @param lrtp The lrtp context handle.
+ * @param packet A char buffer which will contain the resulting RTP data.
+ * @param maxsize the maximum number of bytes that can be contained within
+ *  packet.
+ * @return Returns the number of bytes written in packet, if any (can be zero
+ *  if no packet is available) or a negative error code on error.
+ */
+EXPORT int lrtp_pack(struct lrtp_t *lrtp, char *packet, size_t maxsize);
+
+typedef enum {
+  // Errors:
+  UNPACK_ERROR            = 1000, // Error...
+  UNPACK_BUFFER_TOO_SMALL = 1001, // Frame buffer needs to be bigger.
+  UNPACK_MISSING_HANDLE   = 1002, // Handle pointer NULL or not valid.
+  UNPACK_MISSING_CSRC     = 1003, // Exactly one csrc must be present.
+  UNPACK_TOO_MANY_CSRCS   = 1004, // Exactly one csrc must be present.
+  UNPACK_MISSING_PROFILE  = 1005, // CSrc from packet could not be connected with a preofile..
+} lrtp_unpack_status_t;
+
+/**
+ */
+EXPORT
+int lrtp_dequeue_frame(struct lrtp_t *lrtp,
+                       char *frame, size_t maxsize,
+                       unsigned int *csrc, unsigned int *ts);
+
+/**
+ */
+EXPORT
+int lrtp_unpack(struct lrtp_t *lrtp, const char *packet, size_t size);
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif/*__LRTP_LRTP_H__*/