/src/mozilla-central/third_party/aom/aom_dsp/bitreader.h

Source (jump to first uncovered line)
/*
 * 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_BITREADER_H_
#define AOM_AOM_DSP_BITREADER_H_

#include <assert.h>
#include <limits.h>

#include "config/aom_config.h"

#include "aom/aomdx.h"
#include "aom/aom_integer.h"
#include "aom_dsp/daalaboolreader.h"
#include "aom_dsp/prob.h"
#include "av1/common/odintrin.h"

#if CONFIG_ACCOUNTING
#include "av1/decoder/accounting.h"
#define ACCT_STR_NAME acct_str
#define ACCT_STR_PARAM , const char *ACCT_STR_NAME
#define ACCT_STR_ARG(s) , s
#else
#define ACCT_STR_PARAM
#define ACCT_STR_ARG(s)
#endif

#define aom_read(r, prob, ACCT_STR_NAME) \
  aom_read_(r, prob ACCT_STR_ARG(ACCT_STR_NAME))
#define aom_read_bit(r, ACCT_STR_NAME) \
  aom_read_bit_(r ACCT_STR_ARG(ACCT_STR_NAME))
#define aom_read_tree(r, tree, probs, ACCT_STR_NAME) \
  aom_read_tree_(r, tree, probs ACCT_STR_ARG(ACCT_STR_NAME))
#define aom_read_literal(r, bits, ACCT_STR_NAME) \
  aom_read_literal_(r, bits ACCT_STR_ARG(ACCT_STR_NAME))
#define aom_read_cdf(r, cdf, nsymbs, ACCT_STR_NAME) \
  aom_read_cdf_(r, cdf, nsymbs ACCT_STR_ARG(ACCT_STR_NAME))
#define aom_read_symbol(r, cdf, nsymbs, ACCT_STR_NAME) \
  aom_read_symbol_(r, cdf, nsymbs ACCT_STR_ARG(ACCT_STR_NAME))

#ifdef __cplusplus
extern "C" {
#endif

typedef struct daala_reader aom_reader;

static INLINE int aom_reader_init(aom_reader *r, const uint8_t *buffer,
                                  size_t size) {
  return aom_daala_reader_init(r, buffer, (int)size);
}

static INLINE const uint8_t *aom_reader_find_begin(aom_reader *r) {
  return aom_daala_reader_find_begin(r);
}

static INLINE const uint8_t *aom_reader_find_end(aom_reader *r) {
  return aom_daala_reader_find_end(r);
}

static INLINE int aom_reader_has_error(aom_reader *r) {
  return aom_daala_reader_has_error(r);
}

// Returns true if the bit reader has tried to decode more data from the buffer
// than was actually provided.
static INLINE int aom_reader_has_overflowed(const aom_reader *r) {
  return aom_daala_reader_has_overflowed(r);
}

// Returns the position in the bit reader in bits.
static INLINE uint32_t aom_reader_tell(const aom_reader *r) {
  return aom_daala_reader_tell(r);
}

// Returns the position in the bit reader in 1/8th bits.
static INLINE uint32_t aom_reader_tell_frac(const aom_reader *r) {
  return aom_daala_reader_tell_frac(r);
}

#if CONFIG_ACCOUNTING
static INLINE void aom_process_accounting(const aom_reader *r ACCT_STR_PARAM) {
  if (r->accounting != NULL) {
    uint32_t tell_frac;
    tell_frac = aom_reader_tell_frac(r);
    aom_accounting_record(r->accounting, ACCT_STR_NAME,
                          tell_frac - r->accounting->last_tell_frac);
    r->accounting->last_tell_frac = tell_frac;
  }
}

static INLINE void aom_update_symb_counts(const aom_reader *r, int is_binary) {
  if (r->accounting != NULL) {
    r->accounting->syms.num_multi_syms += !is_binary;
    r->accounting->syms.num_binary_syms += !!is_binary;
  }
}
#endif

static INLINE int aom_read_(aom_reader *r, int prob ACCT_STR_PARAM) {
  int ret;
  ret = aom_daala_read(r, prob);
#if CONFIG_ACCOUNTING
  if (ACCT_STR_NAME) aom_process_accounting(r, ACCT_STR_NAME);
  aom_update_symb_counts(r, 1);
#endif
  return ret;
}

static INLINE int aom_read_bit_(aom_reader *r ACCT_STR_PARAM) {
  int ret;
  ret = aom_read(r, 128, NULL);  // aom_prob_half
#if CONFIG_ACCOUNTING
  if (ACCT_STR_NAME) aom_process_accounting(r, ACCT_STR_NAME);
#endif
  return ret;
}

static INLINE int aom_read_literal_(aom_reader *r, int bits ACCT_STR_PARAM) {
  int literal = 0, bit;

  for (bit = bits - 1; bit >= 0; bit--) literal |= aom_read_bit(r, NULL) << bit;
#if CONFIG_ACCOUNTING
  if (ACCT_STR_NAME) aom_process_accounting(r, ACCT_STR_NAME);
#endif
  return literal;
}

static INLINE int aom_read_cdf_(aom_reader *r, const aom_cdf_prob *cdf,
                                int nsymbs ACCT_STR_PARAM) {
  int ret;
  ret = daala_read_symbol(r, cdf, nsymbs);

#if CONFIG_ACCOUNTING
  if (ACCT_STR_NAME) aom_process_accounting(r, ACCT_STR_NAME);
  aom_update_symb_counts(r, (nsymbs == 2));
#endif
  return ret;
}

static INLINE int aom_read_symbol_(aom_reader *r, aom_cdf_prob *cdf,
                                   int nsymbs ACCT_STR_PARAM) {
  int ret;
  ret = aom_read_cdf(r, cdf, nsymbs, ACCT_STR_NAME);
  if (r->allow_update_cdf) update_cdf(cdf, ret, nsymbs);
  return ret;
}

#ifdef __cplusplus
}  // extern "C"
#endif

#endif  // AOM_AOM_DSP_BITREADER_H_

Line	Count	Source (jump to first uncovered line)
1		/*
2		* Copyright (c) 2016, Alliance for Open Media. All rights reserved
3		*
4		* This source code is subject to the terms of the BSD 2 Clause License and
5		* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
6		* was not distributed with this source code in the LICENSE file, you can
7		* obtain it at www.aomedia.org/license/software. If the Alliance for Open
8		* Media Patent License 1.0 was not distributed with this source code in the
9		* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
10		*/
11
12		#ifndef AOM_AOM_DSP_BITREADER_H_
13		#define AOM_AOM_DSP_BITREADER_H_
14
15		#include <assert.h>
16		#include <limits.h>
17
18		#include "config/aom_config.h"
19
20		#include "aom/aomdx.h"
21		#include "aom/aom_integer.h"
22		#include "aom_dsp/daalaboolreader.h"
23		#include "aom_dsp/prob.h"
24		#include "av1/common/odintrin.h"
25
26		#if CONFIG_ACCOUNTING
27		#include "av1/decoder/accounting.h"
28		#define ACCT_STR_NAME acct_str
29		#define ACCT_STR_PARAM , const char *ACCT_STR_NAME
30		#define ACCT_STR_ARG(s) , s
31		#else
32		#define ACCT_STR_PARAM
33		#define ACCT_STR_ARG(s)
34		#endif
35
36		#define aom_read(r, prob, ACCT_STR_NAME) \
37	0	aom_read_(r, prob ACCT_STR_ARG(ACCT_STR_NAME))
38		#define aom_read_bit(r, ACCT_STR_NAME) \
39	0	aom_read_bit_(r ACCT_STR_ARG(ACCT_STR_NAME))
40		#define aom_read_tree(r, tree, probs, ACCT_STR_NAME) \
41		aom_read_tree_(r, tree, probs ACCT_STR_ARG(ACCT_STR_NAME))
42		#define aom_read_literal(r, bits, ACCT_STR_NAME) \
43	0	aom_read_literal_(r, bits ACCT_STR_ARG(ACCT_STR_NAME))
44		#define aom_read_cdf(r, cdf, nsymbs, ACCT_STR_NAME) \
45	0	aom_read_cdf_(r, cdf, nsymbs ACCT_STR_ARG(ACCT_STR_NAME))
46		#define aom_read_symbol(r, cdf, nsymbs, ACCT_STR_NAME) \
47	0	aom_read_symbol_(r, cdf, nsymbs ACCT_STR_ARG(ACCT_STR_NAME))
48
49		#ifdef __cplusplus
50		extern "C" {
51		#endif
52
53		typedef struct daala_reader aom_reader;
54
55		static INLINE int aom_reader_init(aom_reader r, const uint8_t buffer,
56	0	size_t size) {
57	0	return aom_daala_reader_init(r, buffer, (int)size);
58	0	} Unexecuted instantiation: binary_codes_reader.c:aom_reader_init Unexecuted instantiation: av1_dx_iface.c:aom_reader_init Unexecuted instantiation: decodeframe.c:aom_reader_init Unexecuted instantiation: decodemv.c:aom_reader_init Unexecuted instantiation: decoder.c:aom_reader_init Unexecuted instantiation: decodetxb.c:aom_reader_init Unexecuted instantiation: detokenize.c:aom_reader_init Unexecuted instantiation: dthread.c:aom_reader_init Unexecuted instantiation: obu.c:aom_reader_init
59
60	0	static INLINE const uint8_t aom_reader_find_begin(aom_reader r) {
61	0	return aom_daala_reader_find_begin(r);
62	0	} Unexecuted instantiation: binary_codes_reader.c:aom_reader_find_begin Unexecuted instantiation: av1_dx_iface.c:aom_reader_find_begin Unexecuted instantiation: decodeframe.c:aom_reader_find_begin Unexecuted instantiation: decodemv.c:aom_reader_find_begin Unexecuted instantiation: decoder.c:aom_reader_find_begin Unexecuted instantiation: decodetxb.c:aom_reader_find_begin Unexecuted instantiation: detokenize.c:aom_reader_find_begin Unexecuted instantiation: dthread.c:aom_reader_find_begin Unexecuted instantiation: obu.c:aom_reader_find_begin
63
64	0	static INLINE const uint8_t aom_reader_find_end(aom_reader r) {
65	0	return aom_daala_reader_find_end(r);
66	0	} Unexecuted instantiation: binary_codes_reader.c:aom_reader_find_end Unexecuted instantiation: av1_dx_iface.c:aom_reader_find_end Unexecuted instantiation: decodeframe.c:aom_reader_find_end Unexecuted instantiation: decodemv.c:aom_reader_find_end Unexecuted instantiation: decoder.c:aom_reader_find_end Unexecuted instantiation: decodetxb.c:aom_reader_find_end Unexecuted instantiation: detokenize.c:aom_reader_find_end Unexecuted instantiation: dthread.c:aom_reader_find_end Unexecuted instantiation: obu.c:aom_reader_find_end
67
68	0	static INLINE int aom_reader_has_error(aom_reader *r) {
69	0	return aom_daala_reader_has_error(r);
70	0	} Unexecuted instantiation: binary_codes_reader.c:aom_reader_has_error Unexecuted instantiation: av1_dx_iface.c:aom_reader_has_error Unexecuted instantiation: decodeframe.c:aom_reader_has_error Unexecuted instantiation: decodemv.c:aom_reader_has_error Unexecuted instantiation: decoder.c:aom_reader_has_error Unexecuted instantiation: decodetxb.c:aom_reader_has_error Unexecuted instantiation: detokenize.c:aom_reader_has_error Unexecuted instantiation: dthread.c:aom_reader_has_error Unexecuted instantiation: obu.c:aom_reader_has_error
71
72		// Returns true if the bit reader has tried to decode more data from the buffer
73		// than was actually provided.
74	0	static INLINE int aom_reader_has_overflowed(const aom_reader *r) {
75	0	return aom_daala_reader_has_overflowed(r);
76	0	} Unexecuted instantiation: binary_codes_reader.c:aom_reader_has_overflowed Unexecuted instantiation: av1_dx_iface.c:aom_reader_has_overflowed Unexecuted instantiation: decodeframe.c:aom_reader_has_overflowed Unexecuted instantiation: decodemv.c:aom_reader_has_overflowed Unexecuted instantiation: decoder.c:aom_reader_has_overflowed Unexecuted instantiation: decodetxb.c:aom_reader_has_overflowed Unexecuted instantiation: detokenize.c:aom_reader_has_overflowed Unexecuted instantiation: dthread.c:aom_reader_has_overflowed Unexecuted instantiation: obu.c:aom_reader_has_overflowed
77
78		// Returns the position in the bit reader in bits.
79	0	static INLINE uint32_t aom_reader_tell(const aom_reader *r) {
80	0	return aom_daala_reader_tell(r);
81	0	} Unexecuted instantiation: binary_codes_reader.c:aom_reader_tell Unexecuted instantiation: av1_dx_iface.c:aom_reader_tell Unexecuted instantiation: decodeframe.c:aom_reader_tell Unexecuted instantiation: decodemv.c:aom_reader_tell Unexecuted instantiation: decoder.c:aom_reader_tell Unexecuted instantiation: decodetxb.c:aom_reader_tell Unexecuted instantiation: detokenize.c:aom_reader_tell Unexecuted instantiation: dthread.c:aom_reader_tell Unexecuted instantiation: obu.c:aom_reader_tell
82
83		// Returns the position in the bit reader in 1/8th bits.
84	0	static INLINE uint32_t aom_reader_tell_frac(const aom_reader *r) {
85	0	return aom_daala_reader_tell_frac(r);
86	0	} Unexecuted instantiation: binary_codes_reader.c:aom_reader_tell_frac Unexecuted instantiation: av1_dx_iface.c:aom_reader_tell_frac Unexecuted instantiation: decodeframe.c:aom_reader_tell_frac Unexecuted instantiation: decodemv.c:aom_reader_tell_frac Unexecuted instantiation: decoder.c:aom_reader_tell_frac Unexecuted instantiation: decodetxb.c:aom_reader_tell_frac Unexecuted instantiation: detokenize.c:aom_reader_tell_frac Unexecuted instantiation: dthread.c:aom_reader_tell_frac Unexecuted instantiation: obu.c:aom_reader_tell_frac
87
88		#if CONFIG_ACCOUNTING
89		static INLINE void aom_process_accounting(const aom_reader *r ACCT_STR_PARAM) {
90		if (r->accounting != NULL) {
91		uint32_t tell_frac;
92		tell_frac = aom_reader_tell_frac(r);
93		aom_accounting_record(r->accounting, ACCT_STR_NAME,
94		tell_frac - r->accounting->last_tell_frac);
95		r->accounting->last_tell_frac = tell_frac;
96		}
97		}
98
99		static INLINE void aom_update_symb_counts(const aom_reader *r, int is_binary) {
100		if (r->accounting != NULL) {
101		r->accounting->syms.num_multi_syms += !is_binary;
102		r->accounting->syms.num_binary_syms += !!is_binary;
103		}
104		}
105		#endif
106
107	0	static INLINE int aom_read_(aom_reader *r, int prob ACCT_STR_PARAM) {
108	0	int ret;
109	0	ret = aom_daala_read(r, prob);
110		#if CONFIG_ACCOUNTING
111		if (ACCT_STR_NAME) aom_process_accounting(r, ACCT_STR_NAME);
112		aom_update_symb_counts(r, 1);
113		#endif
114		return ret;
115	0	} Unexecuted instantiation: binary_codes_reader.c:aom_read_ Unexecuted instantiation: av1_dx_iface.c:aom_read_ Unexecuted instantiation: decodeframe.c:aom_read_ Unexecuted instantiation: decodemv.c:aom_read_ Unexecuted instantiation: decoder.c:aom_read_ Unexecuted instantiation: decodetxb.c:aom_read_ Unexecuted instantiation: detokenize.c:aom_read_ Unexecuted instantiation: dthread.c:aom_read_ Unexecuted instantiation: obu.c:aom_read_
116
117	0	static INLINE int aom_read_bit_(aom_reader *r ACCT_STR_PARAM) {
118	0	int ret;
119	0	ret = aom_read(r, 128, NULL); // aom_prob_half
120		#if CONFIG_ACCOUNTING
121		if (ACCT_STR_NAME) aom_process_accounting(r, ACCT_STR_NAME);
122		#endif
123		return ret;
124	0	} Unexecuted instantiation: binary_codes_reader.c:aom_read_bit_ Unexecuted instantiation: av1_dx_iface.c:aom_read_bit_ Unexecuted instantiation: decodeframe.c:aom_read_bit_ Unexecuted instantiation: decodemv.c:aom_read_bit_ Unexecuted instantiation: decoder.c:aom_read_bit_ Unexecuted instantiation: decodetxb.c:aom_read_bit_ Unexecuted instantiation: detokenize.c:aom_read_bit_ Unexecuted instantiation: dthread.c:aom_read_bit_ Unexecuted instantiation: obu.c:aom_read_bit_
125
126	0	static INLINE int aom_read_literal_(aom_reader *r, int bits ACCT_STR_PARAM) {
127	0	int literal = 0, bit;
128	0
129	0	for (bit = bits - 1; bit >= 0; bit--) literal \|= aom_read_bit(r, NULL) << bit;
130		#if CONFIG_ACCOUNTING
131		if (ACCT_STR_NAME) aom_process_accounting(r, ACCT_STR_NAME);
132		#endif
133		return literal;
134	0	} Unexecuted instantiation: binary_codes_reader.c:aom_read_literal_ Unexecuted instantiation: av1_dx_iface.c:aom_read_literal_ Unexecuted instantiation: decodeframe.c:aom_read_literal_ Unexecuted instantiation: decodemv.c:aom_read_literal_ Unexecuted instantiation: decoder.c:aom_read_literal_ Unexecuted instantiation: decodetxb.c:aom_read_literal_ Unexecuted instantiation: detokenize.c:aom_read_literal_ Unexecuted instantiation: dthread.c:aom_read_literal_ Unexecuted instantiation: obu.c:aom_read_literal_
135
136		static INLINE int aom_read_cdf_(aom_reader r, const aom_cdf_prob cdf,
137	0	int nsymbs ACCT_STR_PARAM) {
138	0	int ret;
139	0	ret = daala_read_symbol(r, cdf, nsymbs);
140	0
141		#if CONFIG_ACCOUNTING
142		if (ACCT_STR_NAME) aom_process_accounting(r, ACCT_STR_NAME);
143		aom_update_symb_counts(r, (nsymbs == 2));
144		#endif
145		return ret;
146	0	} Unexecuted instantiation: binary_codes_reader.c:aom_read_cdf_ Unexecuted instantiation: av1_dx_iface.c:aom_read_cdf_ Unexecuted instantiation: decodeframe.c:aom_read_cdf_ Unexecuted instantiation: decodemv.c:aom_read_cdf_ Unexecuted instantiation: decoder.c:aom_read_cdf_ Unexecuted instantiation: decodetxb.c:aom_read_cdf_ Unexecuted instantiation: detokenize.c:aom_read_cdf_ Unexecuted instantiation: dthread.c:aom_read_cdf_ Unexecuted instantiation: obu.c:aom_read_cdf_
147
148		static INLINE int aom_read_symbol_(aom_reader r, aom_cdf_prob cdf,
149	0	int nsymbs ACCT_STR_PARAM) {
150	0	int ret;
151	0	ret = aom_read_cdf(r, cdf, nsymbs, ACCT_STR_NAME);
152	0	if (r->allow_update_cdf) update_cdf(cdf, ret, nsymbs);
153	0	return ret;
154	0	} Unexecuted instantiation: binary_codes_reader.c:aom_read_symbol_ Unexecuted instantiation: av1_dx_iface.c:aom_read_symbol_ Unexecuted instantiation: decodeframe.c:aom_read_symbol_ Unexecuted instantiation: decodemv.c:aom_read_symbol_ Unexecuted instantiation: decoder.c:aom_read_symbol_ Unexecuted instantiation: decodetxb.c:aom_read_symbol_ Unexecuted instantiation: detokenize.c:aom_read_symbol_ Unexecuted instantiation: dthread.c:aom_read_symbol_ Unexecuted instantiation: obu.c:aom_read_symbol_
155
156		#ifdef __cplusplus
157		} // extern "C"
158		#endif
159
160		#endif // AOM_AOM_DSP_BITREADER_H_

Coverage Report

Created: 2018-09-25 14:53