Document new value 3 for AV1E_SET_ENABLE_CDEF

The comment in aom/aomcx.h was missed in
https://aomedia-review.googlesource.com/c/aom/+/194641.

Also change "on frame qindex" to "based on frame qindex".

Bug: aomedia:375221136
Change-Id: I110951c3f59661659ce32821620df9103cd7c7e0

aom/aomcx.h

diff --git a/aom/aomcx.h b/aom/aomcx.h
index 6bd8f50..449ade0 100644
--- a/aom/aomcx.h
+++ b/aom/aomcx.h
@@ -672,6 +672,7 @@
    * - 0 = disable
    * - 1 = enable for all frames (default)
    * - 2 = disable for non-reference frames
+   * - 3 = enable adaptively based on frame qindex
    */
   AV1E_SET_ENABLE_CDEF = 58,
 

av1/arg_defs.c

diff --git a/av1/arg_defs.c b/av1/arg_defs.c
index 114c773..a107e21 100644
--- a/av1/arg_defs.c
+++ b/av1/arg_defs.c
@@ -338,7 +338,7 @@
       NULL, "enable-cdef", 1,
       "Enable the constrained directional enhancement filter (0: false, "
       "1: true (default), 2: disable for non-reference frames, 3: enable "
-      "adaptively on frame qindex)"),
+      "adaptively based on frame qindex)"),
   .enable_restoration = ARG_DEF(NULL, "enable-restoration", 1,
                                 "Enable the loop restoration filter (0: false "
                                 "(default in realtime mode), "

av1/encoder/pickcdef.h

diff --git a/av1/encoder/pickcdef.h b/av1/encoder/pickcdef.h
index 5ad150d..6056ad9 100644
--- a/av1/encoder/pickcdef.h
+++ b/av1/encoder/pickcdef.h
@@ -25,7 +25,7 @@
   CDEF_NONE = 0,      /* Disable CDEF on all frames. */
   CDEF_ALL = 1,       /* Enable CDEF for all frames. */
   CDEF_REFERENCE = 2, /* Disable CDEF on non reference frames. */
-  CDEF_ADAPTIVE = 3,  /* Enable CDEF adaptively on frame qindex */
+  CDEF_ADAPTIVE = 3,  /* Enable CDEF adaptively based on frame qindex */
 } CDEF_CONTROL;
 
 /*!\cond */