Add HANGUPCAUSE hash support to IAX2

Continuing with the Who Hung Up? project for Asterisk 11, this adds
support to IAX2 for the HANGUPCAUSE hash.

Additionally, this breaks out some functionality in frame.c for getting
information about frame types and subclasses.

Review: https://reviewboard.asterisk.org/r/1941/
(issue SWP-4222)


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@369007 65c4cc65-6c06-0410-ace0-fbb531ad65f3

1 files changed, 23 insertions, 1 deletions

diff --git a/include/asterisk/frame.h b/include/asterisk/frame.h
index 2c1d43cdf..66ba2eff0 100644
--- a/include/asterisk/frame.h
+++ b/include/asterisk/frame.h
@@ -597,10 +597,32 @@ int ast_frame_adjust_volume(struct ast_frame *f, int adjustment);
 int ast_frame_slinear_sum(struct ast_frame *f1, struct ast_frame *f2);
 
 /*!
- * \brief Clear all audio samples from an ast_frame. The frame must be AST_FRAME_VOICE and AST_FORMAT_SLINEAR 
+ * \brief Clear all audio samples from an ast_frame. The frame must be AST_FRAME_VOICE and AST_FORMAT_SLINEAR
  */
 int ast_frame_clear(struct ast_frame *frame);
 
+/*!
+ * \brief Copy the discription of a frame's subclass into the provided string
+ *
+ * \param f The frame to get the information from
+ * \param subclass Buffer to fill with subclass information
+ * \param slen Length of subclass buffer
+ * \param moreinfo Buffer to fill with additional information
+ * \param mlen Length of moreinfo buffer
+ * \since 11
+ */
+void ast_frame_subclass2str(struct ast_frame *f, char *subclass, size_t slen, char *moreinfo, size_t mlen);
+
+/*!
+ * \brief Copy the discription of a frame type into the provided string
+ *
+ * \param frame_type The frame type to be described
+ * \param ftype Buffer to fill with frame type description
+ * \param len Length of subclass buffer
+ * \since 11
+ */
+void ast_frame_type2str(enum ast_frame_type frame_type, char *ftype, size_t len);
+
 #if defined(__cplusplus) || defined(c_plusplus)
 }
 #endif