Use per tile model update for coeff_br coding

Change-Id: Ie52d52bc25e3fdfdea877349215431d8edc064a3

av1/common/entropy.c

@@ -2217,6 +2217,9 @@ void av1_average_tile_coef_cdfs(FRAME_CONTEXT *fc, FRAME_CONTEXT *ec_ctxs[],
   AVERAGE_TILE_CDFS(dc_sign_cdf)
   AVERAGE_TILE_CDFS(coeff_base_cdf)
   AVERAGE_TILE_CDFS(coeff_lps_cdf)
+#if BR_NODE
+  AVERAGE_TILE_CDFS(coeff_br_cdf)
+#endif
 #else
   AVERAGE_TILE_CDFS(coef_head_cdfs)
   AVERAGE_TILE_CDFS(coef_tail_cdfs)

av1/decoder/decodetxb.c

@@ -220,10 +220,10 @@ uint8_t av1_read_coeffs_txb(const AV1_COMMON *const cm, MACROBLOCKD *xd,
     for (idx = 0; idx < BASE_RANGE_SETS; ++idx) {
 #if LV_MAP_PROB
       if (aom_read_symbol(r,
-                          cm->fc->coeff_br_cdf[txs_ctx][plane_type][idx][ctx],
+                          ec_ctx->coeff_br_cdf[txs_ctx][plane_type][idx][ctx],
                           2, ACCT_STR))
 #else   // LV_MAP_PROB
-      if (aom_read(r, cm->fc->coeff_br[txs_ctx][plane_type][idx][ctx],
+      if (aom_read(r, ec_ctx->coeff_br[txs_ctx][plane_type][idx][ctx],
                    ACCT_STR))
 #endif  // LV_MAP_PROB
       {
@@ -235,10 +235,10 @@ uint8_t av1_read_coeffs_txb(const AV1_COMMON *const cm, MACROBLOCKD *xd,
         for (tok = 0; tok < extra_bits; ++tok) {
 #if LV_MAP_PROB
           if (aom_read_symbol(r,
-                              cm->fc->coeff_lps_cdf[txs_ctx][plane_type][ctx],
+                              ec_ctx->coeff_lps_cdf[txs_ctx][plane_type][ctx],
                               2, ACCT_STR))
 #else
-          if (aom_read(r, cm->fc->coeff_lps[txs_ctx][plane_type][ctx],
+          if (aom_read(r, ec_ctx->coeff_lps[txs_ctx][plane_type][ctx],
                        ACCT_STR))
 #endif
           {

av1/encoder/encodetxb.c

@@ -245,7 +245,7 @@ void av1_write_coeffs_txb(const AV1_COMMON *const cm, MACROBLOCKD *xd,
 
     for (idx = 0; idx < BASE_RANGE_SETS; ++idx) {
       aom_write_symbol(w, idx == br_set_idx,
-                       cm->fc->coeff_br_cdf[txs_ctx][plane_type][idx][ctx], 2);
+                       ec_ctx->coeff_br_cdf[txs_ctx][plane_type][idx][ctx], 2);
       if (idx == br_set_idx) {
         br_base = br_index_to_coeff[br_set_idx];
         br_offset = base_range - br_base;
@@ -253,11 +253,11 @@ void av1_write_coeffs_txb(const AV1_COMMON *const cm, MACROBLOCKD *xd,
         for (int tok = 0; tok < extra_bits; ++tok) {
           if (tok == br_offset) {
             aom_write_symbol(
-                w, 1, cm->fc->coeff_lps_cdf[txs_ctx][plane_type][ctx], 2);
+                w, 1, ec_ctx->coeff_lps_cdf[txs_ctx][plane_type][ctx], 2);
             break;
           }
           aom_write_symbol(w, 0,
-                           cm->fc->coeff_lps_cdf[txs_ctx][plane_type][ctx], 2);
+                           ec_ctx->coeff_lps_cdf[txs_ctx][plane_type][ctx], 2);
         }
         //        aom_write_literal(w, br_offset, br_extra_bits[idx]);
         break;