1 files changed, 0 insertions, 136 deletions
diff --git a/third_party/aom/aom_dsp/buf_ans.h b/third_party/aom/aom_dsp/buf_ans.h
deleted file mode 100644
index 985fcdf9e..000000000
--- a/third_party/aom/aom_dsp/buf_ans.h
+++ /dev/null
@@ -1,136 +0,0 @@
-/*
- * Copyright (c) 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.
- */
-
-#ifndef AOM_AOM_DSP_BUF_ANS_H_
-#define AOM_AOM_DSP_BUF_ANS_H_
-// Buffered forward ANS writer.
-// Symbols are written to the writer in forward (decode) order and serialized
-// backwards due to ANS's stack like behavior.
-
-#include <assert.h>
-#include "config/aom_config.h"
-
-#include "aom/aom_integer.h"
-#include "aom_dsp/ans.h"
-#include "aom_dsp/answriter.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif  // __cplusplus
-
-#define ANS_METHOD_RABS 0
-#define ANS_METHOD_RANS 1
-
-struct buffered_ans_symbol {
-  unsigned int method : 1;  // one of ANS_METHOD_RABS or ANS_METHOD_RANS
-  // TODO(aconverse): Should be possible to write this in terms of start for ABS
-  unsigned int val_start : RANS_PROB_BITS;  // Boolean value for ABS
-                                            // start in symbol cycle for Rans
-  unsigned int prob : RANS_PROB_BITS;       // Probability of this symbol
-};
-
-struct BufAnsCoder {
-  struct aom_internal_error_info *error;
-  struct buffered_ans_symbol *buf;
-  struct AnsCoder ans;
-  int size;
-  int offset;
-  int output_bytes;
-#if ANS_MAX_SYMBOLS
-  int window_size;
-#endif
-  int pos;  // Dummy variable to store the output buffer after closing
-  uint8_t allow_update_cdf;
-};
-
-// Allocate a buffered ANS coder to store size symbols.
-// When ANS_MAX_SYMBOLS is turned on, the size is the fixed size of each ANS
-// partition.
-// When ANS_MAX_SYMBOLS is turned off, size is merely an initial hint and the
-// buffer will grow on demand
-void aom_buf_ans_alloc(struct BufAnsCoder *c,
-                       struct aom_internal_error_info *error);
-
-void aom_buf_ans_free(struct BufAnsCoder *c);
-
-#if !ANS_MAX_SYMBOLS
-void aom_buf_ans_grow(struct BufAnsCoder *c);
-#endif
-
-void aom_buf_ans_flush(struct BufAnsCoder *const c);
-
-static INLINE void buf_ans_write_init(struct BufAnsCoder *const c,
-                                      uint8_t *const output_buffer) {
-  c->offset = 0;
-  c->output_bytes = 0;
-  ans_write_init(&c->ans, output_buffer);
-}
-
-static INLINE void buf_rabs_write(struct BufAnsCoder *const c, uint8_t val,
-                                  AnsP8 prob) {
-  assert(c->offset <= c->size);
-#if !ANS_MAX_SYMBOLS
-  if (c->offset == c->size) {
-    aom_buf_ans_grow(c);
-  }
-#endif
-  c->buf[c->offset].method = ANS_METHOD_RABS;
-  c->buf[c->offset].val_start = val;
-  c->buf[c->offset].prob = prob;
-  ++c->offset;
-#if ANS_MAX_SYMBOLS
-  if (c->offset == c->size) aom_buf_ans_flush(c);
-#endif
-}
-
-// Buffer one symbol for encoding using rANS.
-// cum_prob: The cumulative probability before this symbol (the offset of
-// the symbol in the symbol cycle)
-// prob: The probability of this symbol (l_s from the paper)
-// RANS_PRECISION takes the place of m from the paper.
-static INLINE void buf_rans_write(struct BufAnsCoder *const c,
-                                  aom_cdf_prob cum_prob, aom_cdf_prob prob) {
-  assert(c->offset <= c->size);
-#if !ANS_MAX_SYMBOLS
-  if (c->offset == c->size) {
-    aom_buf_ans_grow(c);
-  }
-#endif
-  c->buf[c->offset].method = ANS_METHOD_RANS;
-  c->buf[c->offset].val_start = cum_prob;
-  c->buf[c->offset].prob = prob;
-  ++c->offset;
-#if ANS_MAX_SYMBOLS
-  if (c->offset == c->size) aom_buf_ans_flush(c);
-#endif
-}
-
-static INLINE void buf_rabs_write_bit(struct BufAnsCoder *c, int bit) {
-  buf_rabs_write(c, bit, 128);
-}
-
-static INLINE void buf_rabs_write_literal(struct BufAnsCoder *c, int literal,
-                                          int bits) {
-  int bit;
-
-  assert(bits < 31);
-  for (bit = bits - 1; bit >= 0; bit--)
-    buf_rabs_write_bit(c, 1 & (literal >> bit));
-}
-
-static INLINE int buf_ans_write_end(struct BufAnsCoder *const c) {
-  assert(c->offset == 0);
-  return c->output_bytes;
-}
-#ifdef __cplusplus
-}  // extern "C"
-#endif  // __cplusplus
-#endif  // AOM_AOM_DSP_BUF_ANS_H_