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-rw-r--r--third_party/aom/aom_dsp/dkboolreader.h181
1 files changed, 0 insertions, 181 deletions
diff --git a/third_party/aom/aom_dsp/dkboolreader.h b/third_party/aom/aom_dsp/dkboolreader.h
deleted file mode 100644
index f0bc84381..000000000
--- a/third_party/aom/aom_dsp/dkboolreader.h
+++ /dev/null
@@ -1,181 +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_DSP_DKBOOLREADER_H_
-#define AOM_DSP_DKBOOLREADER_H_
-
-#include <assert.h>
-#include <stddef.h>
-#include <limits.h>
-
-#include "./aom_config.h"
-#if CONFIG_BITSTREAM_DEBUG
-#include <assert.h>
-#include <stdio.h>
-#include "aom_util/debug_util.h"
-#endif // CONFIG_BITSTREAM_DEBUG
-
-#include "aom_ports/mem.h"
-#include "aom/aomdx.h"
-#include "aom/aom_integer.h"
-#include "aom_dsp/prob.h"
-#if CONFIG_ACCOUNTING
-#include "av1/decoder/accounting.h"
-#endif
-
-#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
-
-struct aom_dk_reader {
- // Be careful when reordering this struct, it may impact the cache negatively.
- BD_VALUE value;
- unsigned int range;
- int count;
- const uint8_t *buffer_start;
- const uint8_t *buffer_end;
- const uint8_t *buffer;
- aom_decrypt_cb decrypt_cb;
- void *decrypt_state;
- uint8_t clear_buffer[sizeof(BD_VALUE) + 1];
-#if CONFIG_ACCOUNTING
- Accounting *accounting;
-#endif
-};
-
-int aom_dk_reader_init(struct aom_dk_reader *r, const uint8_t *buffer,
- size_t size, aom_decrypt_cb decrypt_cb,
- void *decrypt_state);
-
-void aom_dk_reader_fill(struct aom_dk_reader *r);
-
-const uint8_t *aom_dk_reader_find_end(struct aom_dk_reader *r);
-
-static INLINE uint32_t aom_dk_reader_tell(const struct aom_dk_reader *r) {
- const uint32_t bits_read =
- (uint32_t)((r->buffer - r->buffer_start) * CHAR_BIT);
- const int count =
- (r->count < LOTS_OF_BITS) ? r->count : r->count - LOTS_OF_BITS;
- assert(r->buffer >= r->buffer_start);
- return bits_read - (count + CHAR_BIT);
-}
-
-/*The resolution of fractional-precision bit usage measurements, i.e.,
- 3 => 1/8th bits.*/
-#define DK_BITRES (3)
-
-static INLINE uint32_t aom_dk_reader_tell_frac(const struct aom_dk_reader *r) {
- uint32_t num_bits;
- uint32_t range;
- int l;
- int i;
- num_bits = aom_dk_reader_tell(r) << DK_BITRES;
- range = r->range;
- l = 0;
- for (i = DK_BITRES; i-- > 0;) {
- int b;
- range = range * range >> 7;
- b = (int)(range >> 8);
- l = l << 1 | b;
- range >>= b;
- }
- return num_bits - l;
-}
-
-static INLINE int aom_dk_reader_has_error(struct aom_dk_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 aom_dk_read(struct aom_dk_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) aom_dk_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 = aom_norm[range];
- range <<= shift;
- value <<= shift;
- count -= shift;
- }
- r->value = value;
- r->count = count;
- r->range = range;
-
-#if CONFIG_BITSTREAM_DEBUG
- {
- int ref_bit, ref_prob;
- const int queue_r = bitstream_queue_get_read();
- const int frame_idx = bitstream_queue_get_frame_read();
- bitstream_queue_pop(&ref_bit, &ref_prob);
- if (prob != ref_prob) {
- fprintf(
- stderr,
- "\n *** prob error, frame_idx_r %d prob %d ref_prob %d queue_r %d\n",
- frame_idx, prob, ref_prob, queue_r);
- assert(0);
- }
- if ((int)bit != ref_bit) {
- fprintf(stderr, "\n *** bit error, frame_idx_r %d bit %d ref_bit %d\n",
- frame_idx, bit, ref_bit);
- assert(0);
- }
- }
-#endif // CONFIG_BITSTREAM_DEBUG
-
- return bit;
-}
-
-#ifdef __cplusplus
-} // extern "C"
-#endif
-
-#endif // AOM_DSP_DKBOOLREADER_H_