libvpx: Pull from upstream

source/libvpx/vp9/common/vp9_reconintra.c

 /*
  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #include "./vpx_config.h"
 #include "./vp9_rtcd.h"
 
 #include "vpx_mem/vpx_mem.h"
+#include "vpx_ports/vpx_once.h"
 
 #include "vp9/common/vp9_reconintra.h"
 #include "vp9/common/vp9_onyxc_int.h"
 
 const TX_TYPE intra_mode_to_tx_type_lookup[INTRA_MODES] = {
   DCT_DCT,    // DC
   ADST_DCT,   // V
   DCT_ADST,   // H
   DCT_DCT,    // D45
   ADST_ADST,  // D135
@@ skipping 547 matching lines @@
 static intra_pred_fn dc_pred[2][2][TX_SIZES];
 
 #if CONFIG_VP9_HIGHBITDEPTH
 typedef void (*intra_high_pred_fn)(uint16_t *dst, ptrdiff_t stride,
                                    const uint16_t *above, const uint16_t *left,
                                    int bd);
 static intra_high_pred_fn pred_high[INTRA_MODES][4];
 static intra_high_pred_fn dc_pred_high[2][2][4];
 #endif  // CONFIG_VP9_HIGHBITDEPTH
 
-void vp9_init_intra_predictors() {
+static void vp9_init_intra_predictors_internal(void) {
 #define INIT_ALL_SIZES(p, type) \
   p[TX_4X4] = vp9_##type##_predictor_4x4; \
   p[TX_8X8] = vp9_##type##_predictor_8x8; \
   p[TX_16X16] = vp9_##type##_predictor_16x16; \
   p[TX_32X32] = vp9_##type##_predictor_32x32
 
   INIT_ALL_SIZES(pred[V_PRED], v);
   INIT_ALL_SIZES(pred[H_PRED], h);
   INIT_ALL_SIZES(pred[D207_PRED], d207);
   INIT_ALL_SIZES(pred[D45_PRED], d45);
@@ skipping 294 matching lines @@
   if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
     build_intra_predictors_high(xd, ref, ref_stride, dst, dst_stride, mode,
                                 tx_size, have_top, have_left, have_right,
                                 x, y, plane, xd->bd);
     return;
   }
 #endif
   build_intra_predictors(xd, ref, ref_stride, dst, dst_stride, mode, tx_size,
                          have_top, have_left, have_right, x, y, plane);
 }
+
+void vp9_init_intra_predictors() {
+  once(vp9_init_intra_predictors_internal);
+}