Doxygen comments for CDEF Info structure

Change-Id: I4bd5580ac55bf49aeb81c8ebfdf29a355a7a3eb8

av1/common/av1_common_int.h

diff --git a/av1/common/av1_common_int.h b/av1/common/av1_common_int.h
index 63cc8c7..eb5cd75 100644
--- a/av1/common/av1_common_int.h
+++ b/av1/common/av1_common_int.h
@@ -188,14 +188,20 @@
   InternalFrameBufferList int_frame_buffers;
 } BufferPool;
 
+/*!\endcond */
+
+/*!\brief Parameters related to CDEF */
 typedef struct {
-  int cdef_damping;
-  int nb_cdef_strengths;
-  int cdef_strengths[CDEF_MAX_STRENGTHS];
-  int cdef_uv_strengths[CDEF_MAX_STRENGTHS];
-  int cdef_bits;
+  int cdef_damping;                       /*!< CDEF damping factor */
+  int nb_cdef_strengths;                  /*!< Number of CDEF strength values */
+  int cdef_strengths[CDEF_MAX_STRENGTHS]; /*!< CDEF strength values for luma */
+  int cdef_uv_strengths[CDEF_MAX_STRENGTHS]; /*!< CDEF strength values for
+                                                chroma */
+  int cdef_bits; /*!< Number of CDEF strength values in bits */
 } CdefInfo;
 
+/*!\cond */
+
 typedef struct {
   int delta_q_present_flag;
   // Resolution of delta quant

av1/encoder/pickcdef.h

diff --git a/av1/encoder/pickcdef.h b/av1/encoder/pickcdef.h
index eaa3e95..fc81617 100644
--- a/av1/encoder/pickcdef.h
+++ b/av1/encoder/pickcdef.h
@@ -32,13 +32,14 @@
  * \param[in]      rdmult       rd multiplier to use in making param choices
  *
  * \return Nothing is returned. Instead, optimal CDEF parameters are stored
- * in the \c cdef_info structure inside \c cm:
+ * in the \c cdef_info structure of type \ref CdefInfo inside \c cm:
  * \arg \c cdef_bits: Bits of strength parameters
  * \arg \c nb_cdef_strengths: Number of strength parameters
  * \arg \c cdef_strengths: list of \c nb_cdef_strengths strength parameters
  * for the luma plane.
  * \arg \c uv_cdef_strengths: list of \c nb_cdef_strengths strength parameters
  * for the chroma planes.
+ * \arg \c damping_factor: CDEF damping factor.
  *
  */
 void av1_cdef_search(const YV12_BUFFER_CONFIG *frame,