1 files changed, 0 insertions, 121 deletions
diff --git a/third_party/aom/av1/decoder/laplace_decoder.c b/third_party/aom/av1/decoder/laplace_decoder.c
deleted file mode 100644
index 5cc080ea7..000000000
--- a/third_party/aom/av1/decoder/laplace_decoder.c
+++ /dev/null
@@ -1,121 +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/bitreader.h"
-#include "av1/common/pvq.h"
-#include "pvq_decoder.h"
-
-#define aom_decode_pvq_split(r, adapt, sum, ctx, ACCT_STR_NAME) \
-  aom_decode_pvq_split_(r, adapt, sum, ctx ACCT_STR_ARG(ACCT_STR_NAME))
-
-static int aom_decode_pvq_split_(aom_reader *r, od_pvq_codeword_ctx *adapt,
- int sum, int ctx ACCT_STR_PARAM) {
-  int shift;
-  int count;
-  int msbs;
-  int fctx;
-  count = 0;
-  if (sum == 0) return 0;
-  shift = OD_MAXI(0, OD_ILOG(sum) - 3);
-  fctx = 7*ctx + (sum >> shift) - 1;
-  msbs = aom_read_symbol_pvq(r, adapt->pvq_split_cdf[fctx], (sum >> shift) + 1,
-      ACCT_STR_NAME);
-  if (shift) count = aom_read_literal(r, shift, ACCT_STR_NAME);
-  count += msbs << shift;
-  if (count > sum) {
-    count = sum;
-#if !CONFIG_ANS
-    r->ec.error = 1;
-#else
-# error "CONFIG_PVQ currently requires !CONFIG_ANS."
-#endif
-  }
-  return count;
-}
-
-void aom_decode_band_pvq_splits(aom_reader *r, od_pvq_codeword_ctx *adapt,
- od_coeff *y, int n, int k, int level) {
-  int mid;
-  int count_right;
-  if (n == 1) {
-    y[0] = k;
-  }
-  else if (k == 0) {
-    OD_CLEAR(y, n);
-  }
-  else if (k == 1 && n <= 16) {
-    int cdf_id;
-    int pos;
-    cdf_id = od_pvq_k1_ctx(n, level == 0);
-    OD_CLEAR(y, n);
-    pos = aom_read_symbol_pvq(r, adapt->pvq_k1_cdf[cdf_id], n, "pvq:k1");
-    y[pos] = 1;
-  }
-  else {
-    mid = n >> 1;
-    count_right = aom_decode_pvq_split(r, adapt, k, od_pvq_size_ctx(n),
-     "pvq:split");
-    aom_decode_band_pvq_splits(r, adapt, y, mid, k - count_right, level + 1);
-    aom_decode_band_pvq_splits(r, adapt, y + mid, n - mid, count_right,
-     level + 1);
-  }
-}
-
-/** Decodes the tail of a Laplace-distributed variable, i.e. it doesn't
- * do anything special for the zero case.
- *
- * @param [dec] range decoder
- * @param [decay] decay factor of the distribution, i.e. pdf ~= decay^x
- *
- * @retval decoded variable x
- */
-int aom_laplace_decode_special_(aom_reader *r, unsigned decay ACCT_STR_PARAM) {
-  int pos;
-  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);
-  cdf = EXP_CDF_TABLE[(decay + 1) >> 1];
-  OD_LOG((OD_LOG_PVQ, OD_LOG_DEBUG, "decay = %d\n", decay));
-  xs = 0;
-  do {
-    sym = OD_MINI(xs, 15);
-    {
-      int i;
-      OD_LOG((OD_LOG_PVQ, OD_LOG_DEBUG, "%d %d %d", xs, shift, sym));
-      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"));
-    }
-    sym = aom_read_cdf(r, cdf, 16, ACCT_STR_NAME);
-    xs += sym;
-  } while (sym >= 15);
-  if (shift) pos = (xs << shift) + aom_read_literal(r, shift, ACCT_STR_NAME);
-  else pos = xs;
-  return pos;
-}