1 files changed, 0 insertions, 140 deletions
diff --git a/thirdparty/libvpx/vpx_dsp/bitreader.h b/thirdparty/libvpx/vpx_dsp/bitreader.h
deleted file mode 100644
index 9a441b4107..0000000000
--- a/thirdparty/libvpx/vpx_dsp/bitreader.h
+++ /dev/null
@@ -1,140 +0,0 @@
-/*
- *  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.
- */
-
-#ifndef VPX_DSP_BITREADER_H_
-#define VPX_DSP_BITREADER_H_
-
-#include <stddef.h>
-#include <limits.h>
-
-#include "./vpx_config.h"
-#include "vpx_ports/mem.h"
-#include "vpx/vp8dx.h"
-#include "vpx/vpx_integer.h"
-#include "vpx_dsp/prob.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-typedef size_t BD_VALUE;
-
-#define BD_VALUE_SIZE ((int)sizeof(BD_VALUE) * CHAR_BIT)
-
-// This is meant to be a large, positive constant that can still be efficiently
-// loaded as an immediate (on platforms like ARM, for example).
-// Even relatively modest values like 100 would work fine.
-#define LOTS_OF_BITS 0x40000000
-
-typedef struct {
-  // Be careful when reordering this struct, it may impact the cache negatively.
-  BD_VALUE value;
-  unsigned int range;
-  int count;
-  const uint8_t *buffer_end;
-  const uint8_t *buffer;
-  vpx_decrypt_cb decrypt_cb;
-  void *decrypt_state;
-  uint8_t clear_buffer[sizeof(BD_VALUE) + 1];
-} vpx_reader;
-
-int vpx_reader_init(vpx_reader *r,
-                    const uint8_t *buffer,
-                    size_t size,
-                    vpx_decrypt_cb decrypt_cb,
-                    void *decrypt_state);
-
-void vpx_reader_fill(vpx_reader *r);
-
-const uint8_t *vpx_reader_find_end(vpx_reader *r);
-
-static INLINE int vpx_reader_has_error(vpx_reader *r) {
-  // Check if we have reached the end of the buffer.
-  //
-  // Variable 'count' stores the number of bits in the 'value' buffer, minus
-  // 8. The top byte is part of the algorithm, and the remainder is buffered
-  // to be shifted into it. So if count == 8, the top 16 bits of 'value' are
-  // occupied, 8 for the algorithm and 8 in the buffer.
-  //
-  // When reading a byte from the user's buffer, count is filled with 8 and
-  // one byte is filled into the value buffer. When we reach the end of the
-  // data, count is additionally filled with LOTS_OF_BITS. So when
-  // count == LOTS_OF_BITS - 1, the user's data has been exhausted.
-  //
-  // 1 if we have tried to decode bits after the end of stream was encountered.
-  // 0 No error.
-  return r->count > BD_VALUE_SIZE && r->count < LOTS_OF_BITS;
-}
-
-static INLINE int vpx_read(vpx_reader *r, int prob) {
-  unsigned int bit = 0;
-  BD_VALUE value;
-  BD_VALUE bigsplit;
-  int count;
-  unsigned int range;
-  unsigned int split = (r->range * prob + (256 - prob)) >> CHAR_BIT;
-
-  if (r->count < 0)
-    vpx_reader_fill(r);
-
-  value = r->value;
-  count = r->count;
-
-  bigsplit = (BD_VALUE)split << (BD_VALUE_SIZE - CHAR_BIT);
-
-  range = split;
-
-  if (value >= bigsplit) {
-    range = r->range - split;
-    value = value - bigsplit;
-    bit = 1;
-  }
-
-  {
-    register int shift = vpx_norm[range];
-    range <<= shift;
-    value <<= shift;
-    count -= shift;
-  }
-  r->value = value;
-  r->count = count;
-  r->range = range;
-
-  return bit;
-}
-
-static INLINE int vpx_read_bit(vpx_reader *r) {
-  return vpx_read(r, 128);  // vpx_prob_half
-}
-
-static INLINE int vpx_read_literal(vpx_reader *r, int bits) {
-  int literal = 0, bit;
-
-  for (bit = bits - 1; bit >= 0; bit--)
-    literal |= vpx_read_bit(r) << bit;
-
-  return literal;
-}
-
-static INLINE int vpx_read_tree(vpx_reader *r, const vpx_tree_index *tree,
-                                const vpx_prob *probs) {
-  vpx_tree_index i = 0;
-
-  while ((i = tree[i + vpx_read(r, probs[i >> 1])]) > 0)
-    continue;
-
-  return -i;
-}
-
-#ifdef __cplusplus
-}  // extern "C"
-#endif
-
-#endif  // VPX_DSP_BITREADER_H_