Coverage Report

Created: 2026-10-28 08:13

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/src/libvpx/vp8/encoder/boolhuff.h
Line
Count
Source
1
/*
2
 *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
3
 *
4
 *  Use of this source code is governed by a BSD-style license
5
 *  that can be found in the LICENSE file in the root of the source
6
 *  tree. An additional intellectual property rights grant can be found
7
 *  in the file PATENTS.  All contributing project authors may
8
 *  be found in the AUTHORS file in the root of the source tree.
9
 */
10
11
/****************************************************************************
12
 *
13
 *   Module Title :     boolhuff.h
14
 *
15
 *   Description  :     Bool Coder header file.
16
 *
17
 ****************************************************************************/
18
#ifndef VPX_VP8_ENCODER_BOOLHUFF_H_
19
#define VPX_VP8_ENCODER_BOOLHUFF_H_
20
21
#include "vpx_ports/mem.h"
22
#include "vpx/internal/vpx_codec_internal.h"
23
24
#ifdef __cplusplus
25
extern "C" {
26
#endif
27
28
typedef struct {
29
  unsigned int lowvalue;
30
  unsigned int range;
31
  int count;
32
  unsigned int pos;
33
  unsigned char *buffer;
34
  unsigned char *buffer_end;
35
  struct vpx_internal_error_info *error;
36
} BOOL_CODER;
37
38
void vp8_start_encode(BOOL_CODER *bc, unsigned char *source,
39
                      unsigned char *source_end);
40
41
void vp8_encode_value(BOOL_CODER *bc, int data, int bits);
42
void vp8_stop_encode(BOOL_CODER *bc);
43
extern const unsigned int vp8_prob_cost[256];
44
45
DECLARE_ALIGNED(16, extern const unsigned char, vp8_norm[256]);
46
47
static int validate_buffer(const unsigned char *start, size_t len,
48
                           const unsigned char *end,
49
163M
                           struct vpx_internal_error_info *error) {
50
163M
  if (start + len > start && start + len < end) {
51
163M
    return 1;
52
163M
  } else {
53
3
    vpx_internal_error(error, VPX_CODEC_CORRUPT_FRAME,
54
3
                       "Truncated packet or corrupt partition ");
55
3
  }
56
57
3
  return 0;
58
163M
}
Unexecuted instantiation: vp8_cx_iface.c:validate_buffer
Unexecuted instantiation: ethreading.c:validate_buffer
Unexecuted instantiation: onyx_if.c:validate_buffer
Unexecuted instantiation: pickinter.c:validate_buffer
Unexecuted instantiation: picklpf.c:validate_buffer
Unexecuted instantiation: vp8_quantize.c:validate_buffer
Unexecuted instantiation: ratectrl.c:validate_buffer
Unexecuted instantiation: rdopt.c:validate_buffer
Unexecuted instantiation: segmentation.c:validate_buffer
Unexecuted instantiation: vp8_skin_detection.c:validate_buffer
Unexecuted instantiation: tokenize.c:validate_buffer
Unexecuted instantiation: treewriter.c:validate_buffer
Unexecuted instantiation: temporal_filter.c:validate_buffer
bitstream.c:validate_buffer
Line
Count
Source
49
160M
                           struct vpx_internal_error_info *error) {
50
160M
  if (start + len > start && start + len < end) {
51
160M
    return 1;
52
160M
  } else {
53
3
    vpx_internal_error(error, VPX_CODEC_CORRUPT_FRAME,
54
3
                       "Truncated packet or corrupt partition ");
55
3
  }
56
57
3
  return 0;
58
160M
}
boolhuff.c:validate_buffer
Line
Count
Source
49
2.90M
                           struct vpx_internal_error_info *error) {
50
2.90M
  if (start + len > start && start + len < end) {
51
2.90M
    return 1;
52
2.90M
  } else {
53
0
    vpx_internal_error(error, VPX_CODEC_CORRUPT_FRAME,
54
0
                       "Truncated packet or corrupt partition ");
55
0
  }
56
57
0
  return 0;
58
2.90M
}
Unexecuted instantiation: encodeframe.c:validate_buffer
Unexecuted instantiation: encodeintra.c:validate_buffer
Unexecuted instantiation: encodemb.c:validate_buffer
encodemv.c:validate_buffer
Line
Count
Source
49
703k
                           struct vpx_internal_error_info *error) {
50
703k
  if (start + len > start && start + len < end) {
51
703k
    return 1;
52
703k
  } else {
53
0
    vpx_internal_error(error, VPX_CODEC_CORRUPT_FRAME,
54
0
                       "Truncated packet or corrupt partition ");
55
0
  }
56
57
0
  return 0;
58
703k
}
Unexecuted instantiation: firstpass.c:validate_buffer
Unexecuted instantiation: mcomp.c:validate_buffer
Unexecuted instantiation: modecosts.c:validate_buffer
59
188M
static void vp8_encode_bool(BOOL_CODER *bc, int bit, int probability) {
60
188M
  unsigned int split;
61
188M
  int count = bc->count;
62
188M
  unsigned int range = bc->range;
63
188M
  unsigned int lowvalue = bc->lowvalue;
64
188M
  int shift;
65
66
188M
  split = 1 + (((range - 1) * probability) >> 8);
67
68
188M
  range = split;
69
70
188M
  if (bit) {
71
30.1M
    lowvalue += split;
72
30.1M
    range = bc->range - split;
73
30.1M
  }
74
75
188M
  shift = vp8_norm[range];
76
77
188M
  range <<= shift;
78
188M
  count += shift;
79
80
188M
  if (count >= 0) {
81
8.62M
    int offset = shift - count;
82
83
8.62M
    if ((lowvalue << (offset - 1)) & 0x80000000) {
84
524
      int x = bc->pos - 1;
85
86
2.43k
      while (x >= 0 && bc->buffer[x] == 0xff) {
87
1.91k
        bc->buffer[x] = (unsigned char)0;
88
1.91k
        x--;
89
1.91k
      }
90
91
524
      bc->buffer[x] += 1;
92
524
    }
93
94
8.62M
    validate_buffer(bc->buffer + bc->pos, 1, bc->buffer_end, bc->error);
95
8.62M
    bc->buffer[bc->pos++] = (lowvalue >> (24 - offset) & 0xff);
96
97
8.62M
    shift = count;
98
8.62M
    lowvalue = (int)(((uint64_t)lowvalue << offset) & 0xffffff);
99
8.62M
    count -= 8;
100
8.62M
  }
101
102
188M
  lowvalue <<= shift;
103
188M
  bc->count = count;
104
188M
  bc->lowvalue = lowvalue;
105
188M
  bc->range = range;
106
188M
}
Unexecuted instantiation: vp8_cx_iface.c:vp8_encode_bool
Unexecuted instantiation: ethreading.c:vp8_encode_bool
Unexecuted instantiation: onyx_if.c:vp8_encode_bool
Unexecuted instantiation: pickinter.c:vp8_encode_bool
Unexecuted instantiation: picklpf.c:vp8_encode_bool
Unexecuted instantiation: vp8_quantize.c:vp8_encode_bool
Unexecuted instantiation: ratectrl.c:vp8_encode_bool
Unexecuted instantiation: rdopt.c:vp8_encode_bool
Unexecuted instantiation: segmentation.c:vp8_encode_bool
Unexecuted instantiation: vp8_skin_detection.c:vp8_encode_bool
Unexecuted instantiation: tokenize.c:vp8_encode_bool
Unexecuted instantiation: treewriter.c:vp8_encode_bool
Unexecuted instantiation: temporal_filter.c:vp8_encode_bool
bitstream.c:vp8_encode_bool
Line
Count
Source
59
151M
static void vp8_encode_bool(BOOL_CODER *bc, int bit, int probability) {
60
151M
  unsigned int split;
61
151M
  int count = bc->count;
62
151M
  unsigned int range = bc->range;
63
151M
  unsigned int lowvalue = bc->lowvalue;
64
151M
  int shift;
65
66
151M
  split = 1 + (((range - 1) * probability) >> 8);
67
68
151M
  range = split;
69
70
151M
  if (bit) {
71
20.0M
    lowvalue += split;
72
20.0M
    range = bc->range - split;
73
20.0M
  }
74
75
151M
  shift = vp8_norm[range];
76
77
151M
  range <<= shift;
78
151M
  count += shift;
79
80
151M
  if (count >= 0) {
81
5.01M
    int offset = shift - count;
82
83
5.01M
    if ((lowvalue << (offset - 1)) & 0x80000000) {
84
472
      int x = bc->pos - 1;
85
86
2.27k
      while (x >= 0 && bc->buffer[x] == 0xff) {
87
1.80k
        bc->buffer[x] = (unsigned char)0;
88
1.80k
        x--;
89
1.80k
      }
90
91
472
      bc->buffer[x] += 1;
92
472
    }
93
94
5.01M
    validate_buffer(bc->buffer + bc->pos, 1, bc->buffer_end, bc->error);
95
5.01M
    bc->buffer[bc->pos++] = (lowvalue >> (24 - offset) & 0xff);
96
97
5.01M
    shift = count;
98
5.01M
    lowvalue = (int)(((uint64_t)lowvalue << offset) & 0xffffff);
99
5.01M
    count -= 8;
100
5.01M
  }
101
102
151M
  lowvalue <<= shift;
103
151M
  bc->count = count;
104
151M
  bc->lowvalue = lowvalue;
105
151M
  bc->range = range;
106
151M
}
boolhuff.c:vp8_encode_bool
Line
Count
Source
59
25.7M
static void vp8_encode_bool(BOOL_CODER *bc, int bit, int probability) {
60
25.7M
  unsigned int split;
61
25.7M
  int count = bc->count;
62
25.7M
  unsigned int range = bc->range;
63
25.7M
  unsigned int lowvalue = bc->lowvalue;
64
25.7M
  int shift;
65
66
25.7M
  split = 1 + (((range - 1) * probability) >> 8);
67
68
25.7M
  range = split;
69
70
25.7M
  if (bit) {
71
7.62M
    lowvalue += split;
72
7.62M
    range = bc->range - split;
73
7.62M
  }
74
75
25.7M
  shift = vp8_norm[range];
76
77
25.7M
  range <<= shift;
78
25.7M
  count += shift;
79
80
25.7M
  if (count >= 0) {
81
2.90M
    int offset = shift - count;
82
83
2.90M
    if ((lowvalue << (offset - 1)) & 0x80000000) {
84
18
      int x = bc->pos - 1;
85
86
42
      while (x >= 0 && bc->buffer[x] == 0xff) {
87
24
        bc->buffer[x] = (unsigned char)0;
88
24
        x--;
89
24
      }
90
91
18
      bc->buffer[x] += 1;
92
18
    }
93
94
2.90M
    validate_buffer(bc->buffer + bc->pos, 1, bc->buffer_end, bc->error);
95
2.90M
    bc->buffer[bc->pos++] = (lowvalue >> (24 - offset) & 0xff);
96
97
2.90M
    shift = count;
98
2.90M
    lowvalue = (int)(((uint64_t)lowvalue << offset) & 0xffffff);
99
2.90M
    count -= 8;
100
2.90M
  }
101
102
25.7M
  lowvalue <<= shift;
103
25.7M
  bc->count = count;
104
25.7M
  bc->lowvalue = lowvalue;
105
25.7M
  bc->range = range;
106
25.7M
}
Unexecuted instantiation: encodeframe.c:vp8_encode_bool
Unexecuted instantiation: encodeintra.c:vp8_encode_bool
Unexecuted instantiation: encodemb.c:vp8_encode_bool
encodemv.c:vp8_encode_bool
Line
Count
Source
59
11.1M
static void vp8_encode_bool(BOOL_CODER *bc, int bit, int probability) {
60
11.1M
  unsigned int split;
61
11.1M
  int count = bc->count;
62
11.1M
  unsigned int range = bc->range;
63
11.1M
  unsigned int lowvalue = bc->lowvalue;
64
11.1M
  int shift;
65
66
11.1M
  split = 1 + (((range - 1) * probability) >> 8);
67
68
11.1M
  range = split;
69
70
11.1M
  if (bit) {
71
2.42M
    lowvalue += split;
72
2.42M
    range = bc->range - split;
73
2.42M
  }
74
75
11.1M
  shift = vp8_norm[range];
76
77
11.1M
  range <<= shift;
78
11.1M
  count += shift;
79
80
11.1M
  if (count >= 0) {
81
703k
    int offset = shift - count;
82
83
703k
    if ((lowvalue << (offset - 1)) & 0x80000000) {
84
34
      int x = bc->pos - 1;
85
86
116
      while (x >= 0 && bc->buffer[x] == 0xff) {
87
82
        bc->buffer[x] = (unsigned char)0;
88
82
        x--;
89
82
      }
90
91
34
      bc->buffer[x] += 1;
92
34
    }
93
94
703k
    validate_buffer(bc->buffer + bc->pos, 1, bc->buffer_end, bc->error);
95
703k
    bc->buffer[bc->pos++] = (lowvalue >> (24 - offset) & 0xff);
96
97
703k
    shift = count;
98
703k
    lowvalue = (int)(((uint64_t)lowvalue << offset) & 0xffffff);
99
703k
    count -= 8;
100
703k
  }
101
102
11.1M
  lowvalue <<= shift;
103
11.1M
  bc->count = count;
104
11.1M
  bc->lowvalue = lowvalue;
105
11.1M
  bc->range = range;
106
11.1M
}
Unexecuted instantiation: firstpass.c:vp8_encode_bool
Unexecuted instantiation: mcomp.c:vp8_encode_bool
Unexecuted instantiation: modecosts.c:vp8_encode_bool
107
108
#ifdef __cplusplus
109
}  // extern "C"
110
#endif
111
112
#endif  // VPX_VP8_ENCODER_BOOLHUFF_H_