Remove deprecated functions in gop_structure.c

Remove the deprecated functions for gop structure.

BUG=aomedia:2728

Change-Id: I6dbe896ff0e2b924815b7ee1c98088252318e4ea

av1/encoder/gop_structure.c

diff --git a/av1/encoder/gop_structure.c b/av1/encoder/gop_structure.c
index 1ed71a0..932281e 100644
--- a/av1/encoder/gop_structure.c
+++ b/av1/encoder/gop_structure.c
@@ -159,136 +159,6 @@
 }
 #endif  // CHECK_GF_PARAMETER
 
-#define REF_IDX(ref) ((ref)-LAST_FRAME)
-
-static INLINE void reset_ref_frame_idx(int *ref_idx, int reset_value) {
-  for (int i = 0; i < REF_FRAMES; ++i) ref_idx[i] = reset_value;
-}
-
-static INLINE void set_ref_frame_disp_idx(GF_GROUP *const gf_group) {
-  for (int i = 0; i < gf_group->size; ++i) {
-    for (int ref = 0; ref < INTER_REFS_PER_FRAME + 1; ++ref) {
-      int ref_gop_idx = gf_group->ref_frame_gop_idx[i][ref];
-      if (ref_gop_idx == -1) {
-        gf_group->ref_frame_disp_idx[i][ref] = -1;
-      } else {
-        gf_group->ref_frame_disp_idx[i][ref] =
-            gf_group->frame_disp_idx[ref_gop_idx];
-      }
-    }
-  }
-}
-
-static void set_gop_ref_frame_map(GF_GROUP *const gf_group) {
-  // Initialize the reference slots as all -1.
-  for (int frame_idx = 0; frame_idx < gf_group->size; ++frame_idx)
-    reset_ref_frame_idx(gf_group->ref_frame_gop_idx[frame_idx], -1);
-
-  // Set the map for frames in the current gop
-  for (int frame_idx = 0; frame_idx < gf_group->size; ++frame_idx) {
-    const FRAME_UPDATE_TYPE update_type = gf_group->update_type[frame_idx];
-    // TODO(yuec): need to figure out how to determine
-    // (1) whether a KEY_FRAME has show_frame on
-    // (2) whether a frame with INTNL_OVERLAY_UPDATE type has
-    //     show_existing_frame on
-    const int show_frame =
-        update_type != ARF_UPDATE && update_type != INTNL_ARF_UPDATE;
-    const int show_existing_frame =
-        update_type == OVERLAY_UPDATE || update_type == INTNL_OVERLAY_UPDATE;
-
-    int this_ref_map[INTER_REFS_PER_FRAME + 1];
-    memcpy(this_ref_map, gf_group->ref_frame_gop_idx[frame_idx],
-           sizeof(this_ref_map));
-    int *next_ref_map = &gf_group->ref_frame_gop_idx[frame_idx + 1][0];
-
-    switch (update_type) {
-      case KF_UPDATE:
-        if (show_frame) {
-          reset_ref_frame_idx(this_ref_map, frame_idx);
-        } else {
-          this_ref_map[REF_IDX(LAST3_FRAME)] = frame_idx;
-          this_ref_map[REF_IDX(EXTREF_FRAME)] = frame_idx;
-          this_ref_map[REF_IDX(ALTREF2_FRAME)] = frame_idx;
-          this_ref_map[REF_IDX(GOLDEN_FRAME)] = frame_idx;
-          this_ref_map[REF_IDX(ALTREF_FRAME)] = frame_idx;
-        }
-        break;
-      case LF_UPDATE: this_ref_map[REF_IDX(LAST3_FRAME)] = frame_idx; break;
-      case GF_UPDATE:
-        this_ref_map[REF_IDX(LAST3_FRAME)] = frame_idx;
-        this_ref_map[REF_IDX(GOLDEN_FRAME)] = frame_idx;
-        break;
-      case OVERLAY_UPDATE:
-        this_ref_map[REF_IDX(ALTREF_FRAME)] = frame_idx;
-        break;
-      case ARF_UPDATE: this_ref_map[REF_IDX(ALTREF_FRAME)] = frame_idx; break;
-      case INTNL_OVERLAY_UPDATE:
-        if (!show_existing_frame)
-          this_ref_map[REF_IDX(LAST3_FRAME)] = frame_idx;
-        break;
-      case INTNL_ARF_UPDATE:
-        this_ref_map[REF_IDX(EXTREF_FRAME)] = frame_idx;
-        break;
-      default: assert(0); break;
-    }
-
-    memcpy(next_ref_map, this_ref_map, sizeof(this_ref_map));
-
-    switch (update_type) {
-      case LF_UPDATE:
-      case GF_UPDATE:
-        next_ref_map[REF_IDX(LAST3_FRAME)] = this_ref_map[REF_IDX(LAST2_FRAME)];
-        next_ref_map[REF_IDX(LAST2_FRAME)] = this_ref_map[REF_IDX(LAST_FRAME)];
-        next_ref_map[REF_IDX(LAST_FRAME)] = this_ref_map[REF_IDX(LAST3_FRAME)];
-        break;
-      case INTNL_OVERLAY_UPDATE:
-        if (!show_existing_frame) {
-          next_ref_map[REF_IDX(LAST3_FRAME)] =
-              this_ref_map[REF_IDX(LAST2_FRAME)];
-          next_ref_map[REF_IDX(LAST2_FRAME)] =
-              this_ref_map[REF_IDX(LAST_FRAME)];
-          next_ref_map[REF_IDX(LAST_FRAME)] =
-              this_ref_map[REF_IDX(LAST3_FRAME)];
-        } else {
-          next_ref_map[REF_IDX(LAST_FRAME)] =
-              this_ref_map[REF_IDX(BWDREF_FRAME)];
-          next_ref_map[REF_IDX(LAST2_FRAME)] =
-              this_ref_map[REF_IDX(LAST_FRAME)];
-          next_ref_map[REF_IDX(LAST3_FRAME)] =
-              this_ref_map[REF_IDX(LAST2_FRAME)];
-          next_ref_map[REF_IDX(BWDREF_FRAME)] =
-              this_ref_map[REF_IDX(ALTREF2_FRAME)];
-          next_ref_map[REF_IDX(ALTREF2_FRAME)] =
-              this_ref_map[REF_IDX(EXTREF_FRAME)];
-          next_ref_map[REF_IDX(EXTREF_FRAME)] =
-              this_ref_map[REF_IDX(LAST3_FRAME)];
-        }
-        break;
-      case INTNL_ARF_UPDATE:
-        if (!show_existing_frame) {
-          next_ref_map[REF_IDX(BWDREF_FRAME)] =
-              this_ref_map[REF_IDX(EXTREF_FRAME)];
-          next_ref_map[REF_IDX(ALTREF2_FRAME)] =
-              this_ref_map[REF_IDX(BWDREF_FRAME)];
-          next_ref_map[REF_IDX(EXTREF_FRAME)] =
-              this_ref_map[REF_IDX(ALTREF2_FRAME)];
-        }
-        break;
-      case OVERLAY_UPDATE:
-        next_ref_map[REF_IDX(ALTREF_FRAME)] =
-            this_ref_map[REF_IDX(GOLDEN_FRAME)];
-        next_ref_map[REF_IDX(GOLDEN_FRAME)] =
-            this_ref_map[REF_IDX(ALTREF_FRAME)];
-        break;
-      default: break;
-    }
-  }
-
-  // Set the map in display order index by converting from gop indices in the
-  // above map
-  set_ref_frame_disp_idx(gf_group);
-}
-
 void av1_gop_setup_structure(AV1_COMP *cpi,
                              const EncodeFrameParams *const frame_params) {
   RATE_CONTROL *const rc = &cpi->rc;
@@ -303,8 +173,6 @@
       cpi, twopass, gf_group, rc, frame_info, rc->baseline_gf_interval,
       first_frame_update_type);
 
-  set_gop_ref_frame_map(gf_group);
-
 #if CHECK_GF_PARAMETER
   check_frame_params(gf_group, rc->baseline_gf_interval);
 #endif