Disable OD_ASSERTS asserts when NDEBUG is set

Change-Id: I3d411ef4a6a1be5e7e644f210a5296dbe18807eb

av1/common/odintrin.h

@@ -69,7 +69,9 @@ extern "C" {
 # define OD_DISABLE_CFL (1)
 # define OD_DISABLE_FILTER (1)
 
+#if !defined(NDEBUG)
 # define OD_ENABLE_ASSERTIONS (1)
+#endif
 
 # define OD_LOG(a)
 # define OD_LOG_PARTIAL(a)

av1/encoder/ratectrl_xiph.c

@@ -675,6 +675,7 @@ int od_enc_rc_select_quantizers_and_lambdas(od_rc_state *rc,
         od_frame_type(rc, rc->cur_frame, &closed_form_golden,
                       &closed_form_altref, &closed_form_cur_frame);
     OD_UNUSED(closed_form_type);
+    OD_UNUSED(is_altref_frame);
     OD_ASSERT(closed_form_type == frame_type);
     OD_ASSERT(closed_form_cur_frame == rc->cur_frame);
     OD_ASSERT(closed_form_altref == is_altref_frame);

av1/encoder/rdopt.c

@@ -493,6 +493,7 @@ static double od_compute_dist_8x8(int qm, int use_activity_masking, od_coeff *x,
 
   vardist = 0;
   OD_ASSERT(qm != OD_FLAT_QM);
+  (void)qm;
 #if 1
   min_var = INT_MAX;
   mean_var = 0;