Clean up REF_FRAMES_NRS

This unifies REF_FRAMES_NRS and REF_FRAMES

Change-Id: I1b0d45f175147fc9570751fd784faf8cbc2ce0d1
diff --git a/av1/av1_iface_common.h b/av1/av1_iface_common.h
index 274fd53..9ecf732 100644
--- a/av1/av1_iface_common.h
+++ b/av1/av1_iface_common.h
@@ -32,7 +32,7 @@
   int ref_frame_pyr_level_nrs[INTER_REFS_PER_FRAME_NRS];
   int ref_frame_disp_order_nrs[INTER_REFS_PER_FRAME_NRS];
   int is_valid_ref_frame_nrs[INTER_REFS_PER_FRAME_NRS];
-  unsigned int ref_frame_map_nrs[REF_FRAMES_NRS];
+  unsigned int ref_frame_map_nrs[REF_FRAMES];
 #endif  // CONFIG_NEW_REF_SIGNALING
   int ref_frame_pyr_level[INTER_REFS_PER_FRAME];
   int ref_frame_disp_order[INTER_REFS_PER_FRAME];
diff --git a/av1/common/av1_common_int.h b/av1/common/av1_common_int.h
index 533857c..977fca3 100644
--- a/av1/common/av1_common_int.h
+++ b/av1/common/av1_common_int.h
@@ -190,11 +190,7 @@
   int interp_filter_selected[SWITCHABLE];
 
   // Inter frame reference frame delta for loop filter
-#if CONFIG_NEW_REF_SIGNALING
-  int8_t ref_deltas[REF_FRAMES_NRS];
-#else
   int8_t ref_deltas[REF_FRAMES];
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   // 0 = ZERO_MV, MV
   int8_t mode_deltas[MAX_MODE_LF_DELTAS];
@@ -980,7 +976,7 @@
    * Note: INTRA_FRAME always refers to the current frame, so there's no need to
    * have a remapped index for the same.
    */
-  int remapped_ref_idx[REF_FRAMES_NRS];
+  int remapped_ref_idx[REF_FRAMES];
 #else
   /*!
    * For encoder, we have a two-level mapping from reference frame type to the
@@ -1362,7 +1358,7 @@
 #if CONFIG_NEW_REF_SIGNALING
 static INLINE int get_ref_frame_map_idx(const AV1_COMMON *const cm,
                                         const int ref_frame) {
-  return (ref_frame >= 0 && ref_frame < REF_FRAMES_NRS)
+  return (ref_frame >= 0 && ref_frame < REF_FRAMES)
              ? cm->remapped_ref_idx[ref_frame]
              : INVALID_IDX;
 }
diff --git a/av1/common/av1_loopfilter.h b/av1/common/av1_loopfilter.h
index 4004f53..78afea2 100644
--- a/av1/common/av1_loopfilter.h
+++ b/av1/common/av1_loopfilter.h
@@ -90,14 +90,9 @@
   uint8_t mode_ref_delta_enabled;
   uint8_t mode_ref_delta_update;
 
-#if CONFIG_NEW_REF_SIGNALING
-  // In ranked order
-  int8_t ref_deltas[REF_FRAMES_NRS];
-#else
-  // 0 = Intra, Last, Last2+Last3,
-  // GF, BRF, ARF2, ARF
+  // In NRS: in ranked order
+  // Otherwise: 0 = Intra, Last, Last2+Last3, GF, BRF, ARF2, ARF
   int8_t ref_deltas[REF_FRAMES];
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   // 0 = ZERO_MV, MV
   int8_t mode_deltas[MAX_MODE_LF_DELTAS];
diff --git a/av1/common/enums.h b/av1/common/enums.h
index 8580d68..3b96649 100644
--- a/av1/common/enums.h
+++ b/av1/common/enums.h
@@ -755,7 +755,7 @@
 
 #if CONFIG_NEW_REF_SIGNALING
 #define INTER_REFS_PER_FRAME_NRS 7
-#define REF_FRAMES_NRS (INTER_REFS_PER_FRAME_NRS + 1)
+#define REF_FRAMES (INTER_REFS_PER_FRAME_NRS + 1)
 #define MODE_CTX_REF_FRAMES \
   (INTER_REFS_PER_FRAME_NRS * (INTER_REFS_PER_FRAME_NRS + 1) / 2 + 1)
 #define INTRA_FRAME_NRS \
diff --git a/av1/common/pred_common.c b/av1/common/pred_common.c
index d4093ff..c674c5f 100644
--- a/av1/common/pred_common.c
+++ b/av1/common/pred_common.c
@@ -105,15 +105,15 @@
 #define JOINT_DIST_QINDEX_ORDERING 1
 void av1_get_ref_frames(AV1_COMMON *cm, int cur_frame_disp,
                         RefFrameMapPair *ref_frame_map_pairs) {
-  RefScoreData scores[REF_FRAMES_NRS];
-  memset(scores, 0, REF_FRAMES_NRS * sizeof(*scores));
-  for (int i = 0; i < REF_FRAMES_NRS; i++) scores[i].score = INT_MAX;
-  for (int i = 0; i < REF_FRAMES_NRS; i++) {
+  RefScoreData scores[REF_FRAMES];
+  memset(scores, 0, REF_FRAMES * sizeof(*scores));
+  for (int i = 0; i < REF_FRAMES; i++) scores[i].score = INT_MAX;
+  for (int i = 0; i < REF_FRAMES; i++) {
     cm->remapped_ref_idx[i] = INVALID_IDX;
   }
   int n_ranked = 0;
   // Compute a score for each reference buffer
-  for (int i = 0; i < REF_FRAMES_NRS; i++) {
+  for (int i = 0; i < REF_FRAMES; i++) {
     // Get reference frame buffer
     RefFrameMapPair cur_ref = ref_frame_map_pairs[i];
     if (cur_ref.disp_order == -1) continue;
@@ -175,7 +175,7 @@
   cm->new_ref_frame_data.n_cur_refs = n_cur;
 
   // Fill any slots that are empty (should only happen for the first 7 frames)
-  for (int i = 0; i < REF_FRAMES_NRS; i++) {
+  for (int i = 0; i < REF_FRAMES; i++) {
     if (cm->remapped_ref_idx[i] == INVALID_IDX) cm->remapped_ref_idx[i] = 0;
   }
 }
diff --git a/av1/decoder/decodeframe.c b/av1/decoder/decodeframe.c
index 1d28eed..937c87b 100644
--- a/av1/decoder/decodeframe.c
+++ b/av1/decoder/decodeframe.c
@@ -2176,11 +2176,7 @@
   if (lf->mode_ref_delta_enabled) {
     lf->mode_ref_delta_update = aom_rb_read_bit(rb);
     if (lf->mode_ref_delta_update) {
-#if CONFIG_NEW_REF_SIGNALING
-      for (int i = 0; i < REF_FRAMES_NRS; i++)
-#else
       for (int i = 0; i < REF_FRAMES; i++)
-#endif  // CONFIG_NEW_REF_SIGNALING
         if (aom_rb_read_bit(rb))
           lf->ref_deltas[i] = aom_rb_read_inv_signed_literal(rb, 6);
 
diff --git a/av1/encoder/bitstream.c b/av1/encoder/bitstream.c
index d602da3..ae021b2 100644
--- a/av1/encoder/bitstream.c
+++ b/av1/encoder/bitstream.c
@@ -2449,11 +2449,7 @@
     return 0;
   }
   const RefCntBuffer *buf = get_primary_ref_frame_buf(cm);
-#if CONFIG_NEW_REF_SIGNALING
-  int8_t last_ref_deltas[REF_FRAMES_NRS];
-#else
   int8_t last_ref_deltas[REF_FRAMES];
-#endif  // CONFIG_NEW_REF_SIGNALING
   int8_t last_mode_deltas[MAX_MODE_LF_DELTAS];
   if (buf == NULL) {
     av1_set_default_ref_deltas(last_ref_deltas);
@@ -2462,11 +2458,7 @@
     memcpy(last_ref_deltas, buf->ref_deltas, sizeof(last_ref_deltas));
     memcpy(last_mode_deltas, buf->mode_deltas, MAX_MODE_LF_DELTAS);
   }
-#if CONFIG_NEW_REF_SIGNALING
-  for (int i = 0; i < REF_FRAMES_NRS; i++) {
-#else
   for (int i = 0; i < REF_FRAMES; i++) {
-#endif  // CONFIG_NEW_REF_SIGNALING
     if (lf->ref_deltas[i] != last_ref_deltas[i]) {
       return true;
     }
@@ -2508,11 +2500,7 @@
   }
 
   const RefCntBuffer *buf = get_primary_ref_frame_buf(cm);
-#if CONFIG_NEW_REF_SIGNALING
-  int8_t last_ref_deltas[REF_FRAMES_NRS];
-#else
   int8_t last_ref_deltas[REF_FRAMES];
-#endif  // CONFIG_NEW_REF_SIGNALING
   int8_t last_mode_deltas[MAX_MODE_LF_DELTAS];
   if (buf == NULL) {
     av1_set_default_ref_deltas(last_ref_deltas);
@@ -2521,11 +2509,7 @@
     memcpy(last_ref_deltas, buf->ref_deltas, sizeof(last_ref_deltas));
     memcpy(last_mode_deltas, buf->mode_deltas, MAX_MODE_LF_DELTAS);
   }
-#if CONFIG_NEW_REF_SIGNALING
-  for (int i = 0; i < REF_FRAMES_NRS; i++) {
-#else
   for (int i = 0; i < REF_FRAMES; i++) {
-#endif  // CONFIG_NEW_REF_SIGNALING
     const int delta = lf->ref_deltas[i];
     const int changed = delta != last_ref_deltas[i];
     aom_wb_write_bit(wb, changed);
diff --git a/av1/encoder/block.h b/av1/encoder/block.h
index a63aba0..c034e3a 100644
--- a/av1/encoder/block.h
+++ b/av1/encoder/block.h
@@ -1162,24 +1162,11 @@
    *
    * This is used to measure how viable a reference frame is.
    */
-#if CONFIG_NEW_REF_SIGNALING
-  int pred_mv_sad[REF_FRAMES_NRS];
-#else
   int pred_mv_sad[REF_FRAMES];
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   //! The minimum of \ref pred_mv_sad.
   int best_pred_mv_sad;
 
-#if CONFIG_NEW_REF_SIGNALING
-  /*! \brief Disables certain ref frame pruning based on tpl.
-   *
-   * Determines whether a given ref frame is "good" based on data from the TPL
-   * model. If so, this stops selective_ref frame from pruning the given ref
-   * frame at block level.
-   */
-  uint8_t tpl_keep_ref_frame[REF_FRAMES_NRS];
-#else
   /*! \brief Disables certain ref frame pruning based on tpl.
    *
    * Determines whether a given ref frame is "good" based on data from the TPL
@@ -1187,7 +1174,6 @@
    * frame at block level.
    */
   uint8_t tpl_keep_ref_frame[REF_FRAMES];
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   /*! \brief Reference frames picked by the square subblocks in a superblock.
    *
@@ -1321,11 +1307,7 @@
    * This context is defined as the \f$l_\inf\f$ norm of the best ref_mvs for
    * each frame.
    */
-#if CONFIG_NEW_REF_SIGNALING
-  unsigned int max_mv_context[REF_FRAMES_NRS];
-#else
   unsigned int max_mv_context[REF_FRAMES];
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   /*! \brief Limit for the range of motion vectors.
    *
@@ -1368,11 +1350,7 @@
   //! Variance of the source frame.
   unsigned int source_variance;
   //! SSE of the current predictor.
-#if CONFIG_NEW_REF_SIGNALING
-  unsigned int pred_sse[REF_FRAMES_NRS];
-#else
   unsigned int pred_sse[REF_FRAMES];
-#endif  // CONFIG_NEW_REF_SIGNALING
 #if CONFIG_EXT_RECUR_PARTITIONS
   //! Simple motion search buffers.
   SimpleMotionDataBufs *sms_bufs;
diff --git a/av1/encoder/encode_strategy.c b/av1/encoder/encode_strategy.c
index 58a1620..4e8a286 100644
--- a/av1/encoder/encode_strategy.c
+++ b/av1/encoder/encode_strategy.c
@@ -498,11 +498,7 @@
       // If more than one frame is refreshed, it doesn't matter which one we
       // pick so pick the first.  LST sometimes doesn't refresh any: this is ok
 
-#if CONFIG_NEW_REF_SIGNALING
-      for (int i = 0; i < REF_FRAMES_NRS; i++) {
-#else
       for (int i = 0; i < REF_FRAMES; i++) {
-#endif  // CONFIG_NEW_REF_SIGNALING
         if (cm->current_frame.refresh_frame_flags & (1 << i)) {
           fb_of_context_type[current_frame_ref_type] = i;
           break;
@@ -762,11 +758,7 @@
 int av1_get_refresh_ref_frame_map(int refresh_frame_flags) {
   int ref_map_index = INVALID_IDX;
 
-#if CONFIG_NEW_REF_SIGNALING
-  for (ref_map_index = 0; ref_map_index < REF_FRAMES_NRS; ++ref_map_index)
-#else
   for (ref_map_index = 0; ref_map_index < REF_FRAMES; ++ref_map_index)
-#endif  // CONFIG_NEW_REF_SIGNALING
     if ((refresh_frame_flags >> ref_map_index) & 1) break;
 
   return ref_map_index;
@@ -868,64 +860,10 @@
   return 1 << refresh_idx;
 }
 
-#if CONFIG_NEW_REF_SIGNALING
-int av1_get_refresh_frame_flags(
-    const AV1_COMP *const cpi, const EncodeFrameParams *const frame_params,
-    FRAME_UPDATE_TYPE frame_update_type, int gf_index, int cur_disp_order,
-    RefFrameMapPair ref_frame_map_pairs[REF_FRAMES_NRS]) {
-  const SVC *const svc = &cpi->svc;
-  // Switch frames and shown key-frames overwrite all reference slots
-  if ((frame_params->frame_type == KEY_FRAME && !cpi->no_show_fwd_kf) ||
-      frame_params->frame_type == S_FRAME)
-    return 0xFF;
-
-  // show_existing_frames don't actually send refresh_frame_flags so set the
-  // flags to 0 to keep things consistent.
-  if (frame_params->show_existing_frame &&
-      (!frame_params->error_resilient_mode ||
-       frame_params->frame_type == KEY_FRAME)) {
-    return 0;
-  }
-
-  if (is_frame_droppable(svc)) return 0;
-
-  int refresh_mask = 0;
-
-  // Search for the open slot to store the current frame.
-  int free_fb_index = get_free_ref_map_index(ref_frame_map_pairs);
-
-  if (use_subgop_cfg(&cpi->gf_group, gf_index)) {
-    return get_refresh_frame_flags_subgop_cfg(cpi, gf_index, cur_disp_order,
-                                              ref_frame_map_pairs, refresh_mask,
-                                              free_fb_index);
-  }
-
-  // No refresh necessary for these frame types
-  if (frame_update_type == OVERLAY_UPDATE ||
-      frame_update_type == KFFLT_OVERLAY_UPDATE ||
-      frame_update_type == INTNL_OVERLAY_UPDATE)
-    return refresh_mask;
-
-  // If there is an open slot, refresh that one instead of replacing a reference
-  if (free_fb_index != INVALID_IDX) {
-    refresh_mask = 1 << free_fb_index;
-    return refresh_mask;
-  }
-
-  const int update_arf = frame_update_type == ARF_UPDATE;
-  const int refresh_idx =
-      get_refresh_idx(update_arf, -1, cur_disp_order, ref_frame_map_pairs);
-  return 1 << refresh_idx;
-}
-#else
 int av1_get_refresh_frame_flags(
     const AV1_COMP *const cpi, const EncodeFrameParams *const frame_params,
     FRAME_UPDATE_TYPE frame_update_type, int gf_index, int cur_disp_order,
     RefFrameMapPair ref_frame_map_pairs[REF_FRAMES]) {
-  const AV1_COMMON *const cm = &cpi->common;
-  const ExtRefreshFrameFlagsInfo *const ext_refresh_frame_flags =
-      &cpi->ext_flags.refresh_frame;
-
   const SVC *const svc = &cpi->svc;
   // Switch frames and shown key-frames overwrite all reference slots
   if ((frame_params->frame_type == KEY_FRAME && !cpi->no_show_fwd_kf) ||
@@ -940,9 +878,13 @@
     return 0;
   }
 
-  if (is_frame_droppable(svc, ext_refresh_frame_flags)) return 0;
-
   int refresh_mask = 0;
+#if CONFIG_NEW_REF_SIGNALING
+  if (is_frame_droppable(svc)) return 0;
+#else
+  const AV1_COMMON *const cm = &cpi->common;
+  const ExtRefreshFrameFlagsInfo *const ext_refresh_frame_flags =
+      &cpi->ext_flags.refresh_frame;
 
   if (ext_refresh_frame_flags->update_pending) {
     if (svc->external_ref_frame_config) {
@@ -988,6 +930,7 @@
     }
     return refresh_mask;
   }
+#endif  // CONFIG_NEW_REF_SIGNALING
 
   // Search for the open slot to store the current frame.
   int free_fb_index = get_free_ref_map_index(ref_frame_map_pairs);
@@ -1015,7 +958,6 @@
       get_refresh_idx(update_arf, -1, cur_disp_order, ref_frame_map_pairs);
   return 1 << refresh_idx;
 }
-#endif  // CONFIG_NEW_REF_SIGNALING
 
 #if !CONFIG_REALTIME_ONLY
 void setup_mi(AV1_COMP *const cpi, YV12_BUFFER_CONFIG *src) {
@@ -1441,11 +1383,7 @@
     frame_params.existing_fb_idx_to_show = INVALID_IDX;
     // Find the frame buffer to show based on display order
     if (frame_params.show_existing_frame) {
-#if CONFIG_NEW_REF_SIGNALING
-      for (int frame = 0; frame < REF_FRAMES_NRS; frame++) {
-#else
       for (int frame = 0; frame < REF_FRAMES; frame++) {
-#endif  // CONFIG_NEW_REF_SIGNALING
         const RefCntBuffer *const buf = cm->ref_frame_map[frame];
         if (buf == NULL) continue;
         const int frame_order = (int)buf->display_order_hint;
@@ -1463,13 +1401,8 @@
   // frame_params->remapped_ref_idx here and they will be used when encoding
   // this frame.  If frame_params->remapped_ref_idx is setup independently of
   // cm->remapped_ref_idx then update_ref_frame_map() will have no effect.
-#if CONFIG_NEW_REF_SIGNALING
-  memcpy(frame_params.remapped_ref_idx, cm->remapped_ref_idx,
-         REF_FRAMES_NRS * sizeof(*frame_params.remapped_ref_idx));
-#else
   memcpy(frame_params.remapped_ref_idx, cm->remapped_ref_idx,
          REF_FRAMES * sizeof(*frame_params.remapped_ref_idx));
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   cpi->td.mb.delta_qindex = 0;
 
diff --git a/av1/encoder/encoder.c b/av1/encoder/encoder.c
index 77216f7..0f9eb26 100644
--- a/av1/encoder/encoder.c
+++ b/av1/encoder/encoder.c
@@ -1882,12 +1882,7 @@
   BufferPool *const pool = cm->buffer_pool;
   cm->cur_frame = NULL;
 
-#if CONFIG_NEW_REF_SIGNALING
-  for (i = 0; i < REF_FRAMES_NRS; ++i)
-#else
-  for (i = 0; i < REF_FRAMES; ++i)
-#endif  // CONFIG_NEW_REF_SIGNALING
-    cm->ref_frame_map[i] = NULL;
+  for (i = 0; i < REF_FRAMES; ++i) cm->ref_frame_map[i] = NULL;
 
   for (i = 0; i < FRAME_BUFFERS; ++i) {
     pool->frame_bufs[i].ref_count = 0;
@@ -3277,16 +3272,13 @@
   cm->show_existing_frame = frame_params->show_existing_frame;
   cpi->existing_fb_idx_to_show = frame_params->existing_fb_idx_to_show;
 
-#if CONFIG_NEW_REF_SIGNALING
-  memcpy(cm->remapped_ref_idx, frame_params->remapped_ref_idx,
-         REF_FRAMES_NRS * sizeof(*cm->remapped_ref_idx));
-#else
   memcpy(cm->remapped_ref_idx, frame_params->remapped_ref_idx,
          REF_FRAMES * sizeof(*cm->remapped_ref_idx));
 
+#if !CONFIG_NEW_REF_SIGNALING
   memcpy(&cpi->refresh_frame, &frame_params->refresh_frame,
          sizeof(cpi->refresh_frame));
-#endif  // CONFIG_NEW_REF_SIGNALING
+#endif  // !CONFIG_NEW_REF_SIGNALING
 
   if (current_frame->frame_type == KEY_FRAME && !cpi->no_show_fwd_kf) {
     current_frame->key_frame_number += current_frame->frame_number;
diff --git a/av1/encoder/encoder.h b/av1/encoder/encoder.h
index 097f0f6..f14c893 100644
--- a/av1/encoder/encoder.h
+++ b/av1/encoder/encoder.h
@@ -2282,13 +2282,7 @@
    * choose our primary reference frame (which is the most recent reference
    * frame of the same type as the current frame).
    */
-  int fb_of_context_type[
-#if CONFIG_NEW_REF_SIGNALING
-      REF_FRAMES_NRS
-#else
-      REF_FRAMES
-#endif  // CONFIG_NEW_REF_SIGNALING
-  ];
+  int fb_of_context_type[REF_FRAMES];
 
   /*!
    * Flags signalled by the external interface at frame level.
diff --git a/av1/encoder/nonrd_pickmode.c b/av1/encoder/nonrd_pickmode.c
index e411f55..078d34d 100644
--- a/av1/encoder/nonrd_pickmode.c
+++ b/av1/encoder/nonrd_pickmode.c
@@ -434,15 +434,13 @@
  * \c frame_mv array
  */
 #endif  // CONFIG_NEW_REF_SIGNALING
-static INLINE void find_predictors(
-    AV1_COMP *cpi, MACROBLOCK *x, MV_REFERENCE_FRAME ref_frame,
-#if CONFIG_NEW_REF_SIGNALING
-    int_mv frame_mv[MB_MODE_COUNT][REF_FRAMES_NRS],
-#else
-    int_mv frame_mv[MB_MODE_COUNT][REF_FRAMES],
-#endif  // CONFIG_NEW_REF_SIGNALING
-    TileDataEnc *tile_data, struct buf_2d yv12_mb[8][MAX_MB_PLANE],
-    BLOCK_SIZE bsize, int force_skip_low_temp_var) {
+static INLINE void find_predictors(AV1_COMP *cpi, MACROBLOCK *x,
+                                   MV_REFERENCE_FRAME ref_frame,
+                                   int_mv frame_mv[MB_MODE_COUNT][REF_FRAMES],
+                                   TileDataEnc *tile_data,
+                                   struct buf_2d yv12_mb[8][MAX_MB_PLANE],
+                                   BLOCK_SIZE bsize,
+                                   int force_skip_low_temp_var) {
   AV1_COMMON *const cm = &cpi->common;
   MACROBLOCKD *const xd = &x->e_mbd;
   MB_MODE_INFO *const mbmi = xd->mi[0];
@@ -596,12 +594,7 @@
 
 static void estimate_comp_ref_frame_costs(
     const AV1_COMMON *cm, const MACROBLOCKD *xd, const ModeCosts *mode_costs,
-    int segment_id,
-#if CONFIG_NEW_REF_SIGNALING
-    unsigned int (*ref_costs_comp)[REF_FRAMES_NRS]) {
-#else
-    unsigned int (*ref_costs_comp)[REF_FRAMES]) {
-#endif  // CONFIG_NEW_REF_SIGNALING
+    int segment_id, unsigned int (*ref_costs_comp)[REF_FRAMES]) {
 #if CONFIG_NEW_REF_SIGNALING
   (void)segment_id;
   const int seg_ref_active = 0;
@@ -618,8 +611,8 @@
     int intra_inter_ctx = av1_get_intra_inter_context(xd);
     unsigned int base_cost = mode_costs->intra_inter_cost[intra_inter_ctx][1];
     if (cm->current_frame.reference_mode != SINGLE_REFERENCE) {
-      for (int i = 0; i < REF_FRAMES_NRS; i++)
-        for (int j = 0; j < REF_FRAMES_NRS; j++) ref_costs_comp[i][j] = INT_MAX;
+      for (int i = 0; i < REF_FRAMES; i++)
+        for (int j = 0; j < REF_FRAMES; j++) ref_costs_comp[i][j] = INT_MAX;
 
       const int n_refs = cm->new_ref_frame_data.n_total_refs;
       for (int i = 0; i < n_refs - 1; i++) {
@@ -645,8 +638,8 @@
         }
       }
     } else {
-      for (int ref0 = 0; ref0 < REF_FRAMES_NRS; ++ref0) {
-        for (int ref1 = ref0 + 1; ref1 < REF_FRAMES_NRS; ++ref1)
+      for (int ref0 = 0; ref0 < REF_FRAMES; ++ref0) {
+        for (int ref1 = ref0 + 1; ref1 < REF_FRAMES; ++ref1)
           ref_costs_comp[ref0][ref1] = 512;
       }
     }
@@ -2314,30 +2307,18 @@
   static mode_search_stat ms_stat;
 #endif
   MV_REFERENCE_FRAME ref_frame;
-#if CONFIG_NEW_REF_SIGNALING
-  int_mv frame_mv[MB_MODE_COUNT][REF_FRAMES_NRS];
-  uint8_t mode_checked[MB_MODE_COUNT][REF_FRAMES_NRS];
-  struct buf_2d yv12_mb[REF_FRAMES_NRS][MAX_MB_PLANE];
-#else
   int_mv frame_mv[MB_MODE_COUNT][REF_FRAMES];
   uint8_t mode_checked[MB_MODE_COUNT][REF_FRAMES];
   struct buf_2d yv12_mb[REF_FRAMES][MAX_MB_PLANE];
-#endif  // CONFIG_NEW_REF_SIGNALING
   RD_STATS this_rdc, best_rdc;
   const unsigned char segment_id = mi->segment_id;
   const int *const rd_threshes = cpi->rd.threshes[segment_id][bsize];
   const int *const rd_thresh_freq_fact = x->thresh_freq_fact[bsize];
   const InterpFilter filter_ref = cm->features.interp_filter;
   int best_early_term = 0;
-#if CONFIG_NEW_REF_SIGNALING
-  unsigned int ref_costs_single[REF_FRAMES_NRS];
-  unsigned int ref_costs_comp[REF_FRAMES_NRS][REF_FRAMES_NRS];
-  int use_ref_frame_mask[REF_FRAMES_NRS] = { 0 };
-#else
   unsigned int ref_costs_single[REF_FRAMES],
       ref_costs_comp[REF_FRAMES][REF_FRAMES];
   int use_ref_frame_mask[REF_FRAMES] = { 0 };
-#endif  // CONFIG_NEW_REF_SIGNALING
   int force_skip_low_temp_var = 0;
   unsigned int sse_zeromv_norm = UINT_MAX;
   int num_inter_modes = RT_INTER_MODES;
diff --git a/av1/encoder/rdopt.c b/av1/encoder/rdopt.c
index 3c9606d..a208f08 100644
--- a/av1/encoder/rdopt.c
+++ b/av1/encoder/rdopt.c
@@ -995,11 +995,7 @@
 static AOM_INLINE void estimate_ref_frame_costs(
     const AV1_COMMON *cm, const MACROBLOCKD *xd, const ModeCosts *mode_costs,
     int segment_id, unsigned int *ref_costs_single,
-#if CONFIG_NEW_REF_SIGNALING
-    unsigned int (*ref_costs_comp)[REF_FRAMES_NRS]) {
-#else
     unsigned int (*ref_costs_comp)[REF_FRAMES]) {
-#endif  // CONFIG_NEW_REF_SIGNALING
 #if CONFIG_NEW_REF_SIGNALING
   (void)segment_id;
   int seg_ref_active = 0;
@@ -1010,15 +1006,9 @@
   if (seg_ref_active) {
     memset(ref_costs_single, 0, REF_FRAMES * sizeof(*ref_costs_single));
     int ref_frame;
-#if CONFIG_NEW_REF_SIGNALING
-    for (ref_frame = 0; ref_frame < REF_FRAMES_NRS; ++ref_frame)
-      memset(ref_costs_comp[ref_frame], 0,
-             REF_FRAMES_NRS * sizeof((*ref_costs_comp)[0]));
-#else
     for (ref_frame = 0; ref_frame < REF_FRAMES; ++ref_frame)
       memset(ref_costs_comp[ref_frame], 0,
              REF_FRAMES * sizeof((*ref_costs_comp)[0]));
-#endif  // CONFIG_NEW_REF_SIGNALING
   } else {
 #if CONFIG_NEW_REF_SIGNALING
     int intra_inter_ctx = av1_get_intra_inter_context(xd);
@@ -1096,8 +1086,8 @@
 
 #if CONFIG_NEW_REF_SIGNALING
     if (cm->current_frame.reference_mode != SINGLE_REFERENCE) {
-      for (int i = 0; i < REF_FRAMES_NRS; i++)
-        for (int j = 0; j < REF_FRAMES_NRS; j++) ref_costs_comp[i][j] = INT_MAX;
+      for (int i = 0; i < REF_FRAMES; i++)
+        for (int j = 0; j < REF_FRAMES; j++) ref_costs_comp[i][j] = INT_MAX;
 
       for (int i = 0; i < n_refs - 1; i++) {
         int prev_cost = base_cost;
@@ -1158,8 +1148,8 @@
       }
 #endif  // NDEBUG
     } else {
-      for (int ref0 = 0; ref0 < REF_FRAMES_NRS; ++ref0) {
-        for (int ref1 = ref0 + 1; ref1 < REF_FRAMES_NRS; ++ref1) {
+      for (int ref0 = 0; ref0 < REF_FRAMES; ++ref0) {
+        for (int ref1 = ref0 + 1; ref1 < REF_FRAMES; ++ref1) {
           ref_costs_comp[ref0][ref1] = 512;
           ref_costs_comp[ref1][ref0] = 512;
         }
@@ -1288,13 +1278,7 @@
 
 static AOM_INLINE void setup_buffer_ref_mvs_inter(
     const AV1_COMP *const cpi, MACROBLOCK *x, MV_REFERENCE_FRAME ref_frame,
-    BLOCK_SIZE block_size,
-#if CONFIG_NEW_REF_SIGNALING
-    struct buf_2d yv12_mb[REF_FRAMES_NRS][MAX_MB_PLANE]
-#else
-    struct buf_2d yv12_mb[REF_FRAMES][MAX_MB_PLANE]
-#endif  // CONFIG_NEW_REF_SIGNALING
-) {
+    BLOCK_SIZE block_size, struct buf_2d yv12_mb[REF_FRAMES][MAX_MB_PLANE]) {
   const AV1_COMMON *cm = &cpi->common;
   const int num_planes = av1_num_planes(cm);
   const YV12_BUFFER_CONFIG *scaled_ref_frame =
@@ -4092,12 +4076,7 @@
 static AOM_INLINE void rd_pick_skip_mode(
     RD_STATS *rd_cost, InterModeSearchState *search_state,
     const AV1_COMP *const cpi, MACROBLOCK *const x, BLOCK_SIZE bsize,
-#if CONFIG_NEW_REF_SIGNALING
-    struct buf_2d yv12_mb[REF_FRAMES_NRS][MAX_MB_PLANE]
-#else
-    struct buf_2d yv12_mb[REF_FRAMES][MAX_MB_PLANE]
-#endif  // CONFIG_NEW_REF_SIGNALING
-) {
+    struct buf_2d yv12_mb[REF_FRAMES][MAX_MB_PLANE]) {
   const AV1_COMMON *const cm = &cpi->common;
   const SkipModeInfo *const skip_mode_info = &cm->current_frame.skip_mode_info;
   const int num_planes = av1_num_planes(cm);
@@ -4318,12 +4297,8 @@
 static AOM_INLINE void refine_winner_mode_tx(
     const AV1_COMP *cpi, MACROBLOCK *x, RD_STATS *rd_cost, BLOCK_SIZE bsize,
     PICK_MODE_CONTEXT *ctx, MB_MODE_INFO *best_mbmode,
-#if CONFIG_NEW_REF_SIGNALING
-    struct buf_2d yv12_mb[REF_FRAMES_NRS][MAX_MB_PLANE],
-#else
-    struct buf_2d yv12_mb[REF_FRAMES][MAX_MB_PLANE],
-#endif  // CONFIG_NEW_REF_SIGNALING
-    int best_rate_y, int best_rate_uv, int *best_skip2, int winner_mode_count) {
+    struct buf_2d yv12_mb[REF_FRAMES][MAX_MB_PLANE], int best_rate_y,
+    int best_rate_uv, int *best_skip2, int winner_mode_count) {
   const AV1_COMMON *const cm = &cpi->common;
   MACROBLOCKD *const xd = &x->e_mbd;
   MB_MODE_INFO *const mbmi = xd->mi[0];
@@ -4442,23 +4417,6 @@
   }
 }
 
-#if CONFIG_NEW_REF_SIGNALING
-// TODO(debargha, sarahparker): Keeping the same type name since
-// REF_FRAMES_NRS and REF_FRAMES are the same. Needs to be cleaned up later.
-/*!\cond */
-typedef struct {
-  // Mask for each reference frame, specifying which prediction modes to NOT try
-  // during search.
-  uint32_t pred_modes[REF_FRAMES_NRS];
-  // If ref_combo[i][j + 1] is true, do NOT try prediction using combination of
-  // reference frames (i, j).
-  // NOTE: Indexing for the references has the order the INTER references
-  // followed by INTRA. Indexing with 'j + 1' for the 2nd reference is due to
-  // the fact that 2nd reference can be -1 (INVALID_IDX).
-  bool ref_combo[REF_FRAMES_NRS][REF_FRAMES_NRS + 1];
-} mode_skip_mask_t;
-/*!\endcond */
-#else
 /*!\cond */
 typedef struct {
   // Mask for each reference frame, specifying which prediction modes to NOT try
@@ -4466,20 +4424,20 @@
   uint32_t pred_modes[REF_FRAMES];
   // If ref_combo[i][j + 1] is true, do NOT try prediction using combination of
   // reference frames (i, j).
-  // Note: indexing with 'j + 1' is due to the fact that 2nd reference can be -1
-  // (NONE_FRAME).
+  // Indexing with 'j + 1' for the 2nd reference is due to the fact that 2nd
+  // reference can be -1 (INVALID_IDX).
+  // NOTE: In CONFIG_NEW_REF_SIGNALING, indexing for the references has the
+  // order the INTER references followed by INTRA.
   bool ref_combo[REF_FRAMES][REF_FRAMES + 1];
 } mode_skip_mask_t;
 /*!\endcond */
-#endif  // !CONFIG_NEW_REF_SIGNALING
 
 #if CONFIG_NEW_REF_SIGNALING
 // Update 'ref_combo' mask to disable given 'ref' in single and compound modes.
 static AOM_INLINE void disable_reference(
-    MV_REFERENCE_FRAME ref,
-    bool ref_combo[REF_FRAMES_NRS][REF_FRAMES_NRS + 1]) {
+    MV_REFERENCE_FRAME ref, bool ref_combo[REF_FRAMES][REF_FRAMES + 1]) {
   ref = (ref == INTRA_FRAME_NRS ? INTER_REFS_PER_FRAME_NRS : ref);
-  for (MV_REFERENCE_FRAME ref2 = INVALID_IDX; ref2 < REF_FRAMES_NRS; ++ref2) {
+  for (MV_REFERENCE_FRAME ref2 = INVALID_IDX; ref2 < REF_FRAMES; ++ref2) {
     ref_combo[ref][ref2 + 1] = true;
   }
 }
@@ -4510,9 +4468,8 @@
   { INTRA_FRAME_NRS, INVALID_IDX },
 };
 
-static void set_mask_combo_bit_nrs(
-    bool ref_combo[REF_FRAMES_NRS][REF_FRAMES_NRS + 1],
-    const MV_REFERENCE_FRAME *refs, bool val) {
+static void set_mask_combo_bit_nrs(bool ref_combo[REF_FRAMES][REF_FRAMES + 1],
+                                   const MV_REFERENCE_FRAME *refs, bool val) {
   const MV_REFERENCE_FRAME r0 =
       (refs[0] == INTRA_FRAME_NRS ? INTER_REFS_PER_FRAME_NRS : refs[0]);
   const MV_REFERENCE_FRAME r1 =
@@ -4521,7 +4478,7 @@
 }
 
 static bool get_mask_combo_bit_nrs(
-    const bool ref_combo[REF_FRAMES_NRS][REF_FRAMES_NRS + 1],
+    const bool ref_combo[REF_FRAMES][REF_FRAMES + 1],
     const MV_REFERENCE_FRAME *refs) {
   const MV_REFERENCE_FRAME r0 =
       (refs[0] == INTRA_FRAME_NRS ? INTER_REFS_PER_FRAME_NRS : refs[0]);
@@ -4580,11 +4537,7 @@
     memset(mask->pred_modes, 0, sizeof(mask->pred_modes));
     // All references disabled first.
     bool *mask_ref_combo = &mask->ref_combo[0][0];
-#if CONFIG_NEW_REF_SIGNALING
-    for (int k = 0; k < REF_FRAMES_NRS * (REF_FRAMES_NRS + 1); k++)
-#else
     for (int k = 0; k < REF_FRAMES * (REF_FRAMES + 1); k++)
-#endif  // CONFIG_NEW_REF_SIGNALING
       mask_ref_combo[k] = true;
 
     const MV_REFERENCE_FRAME(*ref_set_combos)[2];
@@ -4913,12 +4866,7 @@
 static AOM_INLINE void set_params_rd_pick_inter_mode(
     const AV1_COMP *cpi, MACROBLOCK *x, HandleInterModeArgs *args,
     BLOCK_SIZE bsize, mode_skip_mask_t *mode_skip_mask, int skip_ref_frame_mask,
-    unsigned int *ref_costs_single,
-#if CONFIG_NEW_REF_SIGNALING
-    unsigned int (*ref_costs_comp)[REF_FRAMES_NRS],
-#else
-    unsigned int (*ref_costs_comp)[REF_FRAMES],
-#endif  // CONFIG_NEW_REF_SIGNALING
+    unsigned int *ref_costs_single, unsigned int (*ref_costs_comp)[REF_FRAMES],
     struct buf_2d (*yv12_mb)[MAX_MB_PLANE]) {
   const AV1_COMMON *const cm = &cpi->common;
   MACROBLOCKD *const xd = &x->e_mbd;
@@ -6048,11 +5996,7 @@
     const AV1_COMP *const cpi, MACROBLOCK *const x, RD_STATS *const rd_cost,
     HandleInterModeArgs *const args, TileDataEnc *const tile_data,
     PICK_MODE_CONTEXT *const ctx,
-#if CONFIG_NEW_REF_SIGNALING
-    struct buf_2d yv12_mb[REF_FRAMES_NRS][MAX_MB_PLANE],
-#else
     struct buf_2d yv12_mb[REF_FRAMES][MAX_MB_PLANE],
-#endif  // CONFIG_NEW_REF_SIGNALING
     const motion_mode_best_st_candidate *const best_motion_mode_cands,
     int do_tx_search, const BLOCK_SIZE bsize, int64_t *const best_est_rd,
     InterModeSearchState *const search_state) {
@@ -6322,13 +6266,9 @@
 static void tx_search_best_inter_candidates(
     AV1_COMP *cpi, TileDataEnc *tile_data, MACROBLOCK *x,
     int64_t best_rd_so_far, BLOCK_SIZE bsize,
-#if CONFIG_NEW_REF_SIGNALING
-    struct buf_2d yv12_mb[REF_FRAMES_NRS][MAX_MB_PLANE],
-#else
-    struct buf_2d yv12_mb[REF_FRAMES][MAX_MB_PLANE],
-#endif  // CONFIG_NEW_REF_SIGNALING
-    int mi_row, int mi_col, InterModeSearchState *search_state,
-    RD_STATS *rd_cost, PICK_MODE_CONTEXT *ctx) {
+    struct buf_2d yv12_mb[REF_FRAMES][MAX_MB_PLANE], int mi_row, int mi_col,
+    InterModeSearchState *search_state, RD_STATS *rd_cost,
+    PICK_MODE_CONTEXT *ctx) {
   AV1_COMMON *const cm = &cpi->common;
   MACROBLOCKD *const xd = &x->e_mbd;
   TxfmSearchInfo *txfm_info = &x->txfm_search_info;
@@ -6533,11 +6473,7 @@
   for (i = 0; i < MAX_WINNER_MOTION_MODES; ++i)
     best_motion_mode_cands.motion_mode_cand[i].rd_cost = INT64_MAX;
 
-#if CONFIG_NEW_REF_SIGNALING
-  for (i = 0; i < REF_FRAMES_NRS; ++i) x->pred_sse[i] = INT_MAX;
-#else
   for (i = 0; i < REF_FRAMES; ++i) x->pred_sse[i] = INT_MAX;
-#endif  // CONFIG_NEW_REF_SIGNALING
 
   av1_invalid_rd_stats(rd_cost);
 
@@ -6560,15 +6496,9 @@
   const int skip_ref_frame_mask =
       picked_ref_frames_mask ? ~picked_ref_frames_mask : 0;
   mode_skip_mask_t mode_skip_mask;
-#if CONFIG_NEW_REF_SIGNALING
-  struct buf_2d yv12_mb[REF_FRAMES_NRS][MAX_MB_PLANE];
-  unsigned int ref_costs_single[REF_FRAMES_NRS];
-  unsigned int ref_costs_comp[REF_FRAMES_NRS][REF_FRAMES_NRS];
-#else
   struct buf_2d yv12_mb[REF_FRAMES][MAX_MB_PLANE];
   unsigned int ref_costs_single[REF_FRAMES];
   unsigned int ref_costs_comp[REF_FRAMES][REF_FRAMES];
-#endif  // CONFIG_NEW_REF_SIGNALING
   // init params, set frame modes, speed features
   set_params_rd_pick_inter_mode(cpi, x, &args, bsize, &mode_skip_mask,
                                 skip_ref_frame_mask, ref_costs_single,
@@ -7223,13 +7153,8 @@
   const int comp_pred = 0;
   int i;
   int64_t best_pred_diff[REFERENCE_MODES];
-#if CONFIG_NEW_REF_SIGNALING
-  unsigned int ref_costs_single[REF_FRAMES_NRS];
-  unsigned int ref_costs_comp[REF_FRAMES_NRS][REF_FRAMES_NRS];
-#else
   unsigned int ref_costs_single[REF_FRAMES];
   unsigned int ref_costs_comp[REF_FRAMES][REF_FRAMES];
-#endif  // CONFIG_NEW_REF_SIGNALING
   const ModeCosts *mode_costs = &x->mode_costs;
   const int *comp_inter_cost =
       mode_costs->comp_inter_cost[av1_get_reference_mode_context(cm, xd)];
@@ -7245,11 +7170,10 @@
   estimate_ref_frame_costs(cm, xd, mode_costs, segment_id, ref_costs_single,
                            ref_costs_comp);
 
-#if CONFIG_NEW_REF_SIGNALING
-  for (i = 0; i < REF_FRAMES_NRS; ++i) x->pred_sse[i] = INT_MAX;
-  for (i = 0; i < REF_FRAMES_NRS; ++i) x->pred_mv_sad[i] = INT_MAX;
-#else
   for (i = 0; i < REF_FRAMES; ++i) x->pred_sse[i] = INT_MAX;
+#if CONFIG_NEW_REF_SIGNALING
+  for (i = 0; i < REF_FRAMES; ++i) x->pred_mv_sad[i] = INT_MAX;
+#else
   for (i = LAST_FRAME; i < REF_FRAMES; ++i) x->pred_mv_sad[i] = INT_MAX;
 #endif  // CONFIG_NEW_REF_SIGNALING
 
diff --git a/av1/encoder/tpl_model.c b/av1/encoder/tpl_model.c
index dbc11a2..8b60eb6 100644
--- a/av1/encoder/tpl_model.c
+++ b/av1/encoder/tpl_model.c
@@ -972,11 +972,7 @@
   AV1_COMMON *cm = &cpi->common;
   int cur_frame_idx = gf_group->index;
   *pframe_qindex = 0;
-#if CONFIG_NEW_REF_SIGNALING
-  RefFrameMapPair ref_frame_map_pairs[REF_FRAMES_NRS];
-#else
   RefFrameMapPair ref_frame_map_pairs[REF_FRAMES];
-#endif  // CONFIG_NEW_REF_SIGNALING
   init_ref_map_pair(
       cm, ref_frame_map_pairs,
       cpi->gf_group.update_type[cpi->gf_group.index] == KEY_FRAME);
@@ -984,17 +980,9 @@
   EncodeFrameParams frame_params = *init_frame_params;
   TplParams *const tpl_data = &cpi->tpl_data;
 
-#if CONFIG_NEW_REF_SIGNALING
-  int ref_picture_map[REF_FRAMES_NRS];
-#else
   int ref_picture_map[REF_FRAMES];
-#endif  // CONFIG_NEW_REF_SIGNALING
 
-#if CONFIG_NEW_REF_SIGNALING
-  for (int i = 0; i < REF_FRAMES_NRS; ++i) {
-#else
   for (int i = 0; i < REF_FRAMES; ++i) {
-#endif  // CONFIG_NEW_REF_SIGNALING
     if (frame_params.frame_type == KEY_FRAME || gop_eval) {
       tpl_data->tpl_frame[-i - 1].gf_picture = NULL;
       tpl_data->tpl_frame[-1 - 1].rec_picture = NULL;
@@ -1079,11 +1067,7 @@
                                     gf_index, true_disp, ref_frame_map_pairs);
 
     int refresh_frame_map_index = av1_get_refresh_ref_frame_map(refresh_mask);
-#if CONFIG_NEW_REF_SIGNALING
-    if (refresh_frame_map_index < REF_FRAMES_NRS) {
-#else
     if (refresh_frame_map_index < REF_FRAMES) {
-#endif  // CONFIG_NEW_REF_SIGNALING
       ref_frame_map_pairs[refresh_frame_map_index].disp_order =
           AOMMAX(0, true_disp);
       ref_frame_map_pairs[refresh_frame_map_index].pyr_level =
@@ -1179,11 +1163,7 @@
         av1_get_refresh_frame_flags(cpi, &frame_params, frame_update_type, -1,
                                     true_disp, ref_frame_map_pairs);
     int refresh_frame_map_index = av1_get_refresh_ref_frame_map(refresh_mask);
-#if CONFIG_NEW_REF_SIGNALING
-    if (refresh_frame_map_index < REF_FRAMES_NRS) {
-#else
     if (refresh_frame_map_index < REF_FRAMES) {
-#endif  // CONFIG_NEW_REF_SIGNALING
       ref_frame_map_pairs[refresh_frame_map_index].disp_order =
           AOMMAX(0, true_disp);
       ref_frame_map_pairs[refresh_frame_map_index].pyr_level =
diff --git a/av1/encoder/tpl_model.h b/av1/encoder/tpl_model.h
index e465983..e90c946 100644
--- a/av1/encoder/tpl_model.h
+++ b/av1/encoder/tpl_model.h
@@ -78,11 +78,7 @@
 #define MAX_TPL_FRAME_IDX (2 * MAX_LAG_BUFFERS)
 // The first REF_FRAMES + 1 buffers are reserved.
 // tpl_data->tpl_frame starts after REF_FRAMES + 1
-#if CONFIG_NEW_REF_SIGNALING
-#define MAX_LENGTH_TPL_FRAME_STATS (MAX_TPL_FRAME_IDX + REF_FRAMES_NRS + 1)
-#else
 #define MAX_LENGTH_TPL_FRAME_STATS (MAX_TPL_FRAME_IDX + REF_FRAMES + 1)
-#endif  // CONFIG_NEW_REF_SIGNALING
 #define MAX_TPL_EXTEND (MAX_LAG_BUFFERS - MAX_GF_INTERVAL)
 #define TPL_DEP_COST_SCALE_LOG2 4
 
@@ -109,11 +105,7 @@
   TplDepStats *tpl_stats_ptr;
   const YV12_BUFFER_CONFIG *gf_picture;
   YV12_BUFFER_CONFIG *rec_picture;
-#if CONFIG_NEW_REF_SIGNALING
-  int ref_map_index[REF_FRAMES_NRS];
-#else
   int ref_map_index[REF_FRAMES];
-#endif  // CONFIG_NEW_REF_SIGNALING
   int stride;
   int width;
   int height;