1 files changed, 0 insertions, 107 deletions
diff --git a/third_party/aom/av1/encoder/laplace_encoder.c b/third_party/aom/av1/encoder/laplace_encoder.c
deleted file mode 100644
index 54ffc88fb..000000000
--- a/third_party/aom/av1/encoder/laplace_encoder.c
+++ /dev/null
@@ -1,107 +0,0 @@
-/*
- * Copyright (c) 2001-2016, Alliance for Open Media. All rights reserved
- *
- * This source code is subject to the terms of the BSD 2 Clause License and
- * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
- * was not distributed with this source code in the LICENSE file, you can
- * obtain it at www.aomedia.org/license/software. If the Alliance for Open
- * Media Patent License 1.0 was not distributed with this source code in the
- * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
- */
-
-/* clang-format off */
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <stdio.h>
-
-#include "aom_dsp/bitwriter.h"
-#include "av1/common/odintrin.h"
-#include "av1/common/pvq.h"
-#include "pvq_encoder.h"
-
-static void aom_encode_pvq_split(aom_writer *w, od_pvq_codeword_ctx *adapt,
- int count, int sum, int ctx) {
-  int shift;
-  int rest;
-  int fctx;
-  if (sum == 0) return;
-  shift = OD_MAXI(0, OD_ILOG(sum) - 3);
-  if (shift) {
-    rest = count & ((1 << shift) - 1);
-    count >>= shift;
-    sum >>= shift;
-  }
-  fctx = 7*ctx + sum - 1;
-  aom_write_symbol_pvq(w, count, adapt->pvq_split_cdf[fctx], sum + 1);
-  if (shift) aom_write_literal(w, rest, shift);
-}
-
-void aom_encode_band_pvq_splits(aom_writer *w, od_pvq_codeword_ctx *adapt,
- const int *y, int n, int k, int level) {
-  int mid;
-  int i;
-  int count_right;
-  if (n <= 1 || k == 0) return;
-  if (k == 1 && n <= 16) {
-    int cdf_id;
-    int pos;
-    cdf_id = od_pvq_k1_ctx(n, level == 0);
-    for (pos = 0; !y[pos]; pos++);
-    OD_ASSERT(pos < n);
-    aom_write_symbol_pvq(w, pos, adapt->pvq_k1_cdf[cdf_id], n);
-  }
-  else {
-    mid = n >> 1;
-    count_right = k;
-    for (i = 0; i < mid; i++) count_right -= abs(y[i]);
-    aom_encode_pvq_split(w, adapt, count_right, k, od_pvq_size_ctx(n));
-    aom_encode_band_pvq_splits(w, adapt, y, mid, k - count_right, level + 1);
-    aom_encode_band_pvq_splits(w, adapt, y + mid, n - mid, count_right,
-     level + 1);
-  }
-}
-
-/** Encodes the tail of a Laplace-distributed variable, i.e. it doesn't
- * do anything special for the zero case.
- *
- * @param [in,out] enc     range encoder
- * @param [in]     x       variable to encode (has to be positive)
- * @param [in]     decay   decay factor of the distribution in Q8 format,
- * i.e. pdf ~= decay^x
- */
-void aom_laplace_encode_special(aom_writer *w, int x, unsigned decay) {
-  int shift;
-  int xs;
-  int sym;
-  const uint16_t *cdf;
-  shift = 0;
-  /* We don't want a large decay value because that would require too many
-     symbols. */
-  while (decay > 235) {
-    decay = (decay*decay + 128) >> 8;
-    shift++;
-  }
-  decay = OD_MINI(decay, 254);
-  decay = OD_MAXI(decay, 2);
-  xs = x >> shift;
-  cdf = EXP_CDF_TABLE[(decay + 1) >> 1];
-  OD_LOG((OD_LOG_PVQ, OD_LOG_DEBUG, "decay = %d", decay));
-  do {
-    sym = OD_MINI(xs, 15);
-    {
-      int i;
-      OD_LOG((OD_LOG_PVQ, OD_LOG_DEBUG, "%d %d %d %d %d\n", x, xs, shift,
-       sym, max));
-      for (i = 0; i < 16; i++) {
-        OD_LOG_PARTIAL((OD_LOG_PVQ, OD_LOG_DEBUG, "%d ", cdf[i]));
-      }
-      OD_LOG_PARTIAL((OD_LOG_PVQ, OD_LOG_DEBUG, "\n"));
-    }
-    aom_write_cdf(w, sym, cdf, 16);
-    xs -= 15;
-  } while (sym >= 15);
-  if (shift) aom_write_literal(w, x & ((1 << shift) - 1), shift);
-}