zoomvtools 1.1.1

Video motion vector analysis utilities in pure Rust
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196

/// Returns `true` if the current machine supports the AVX2 instruction set.
#[cfg(all(target_arch = "x86_64", feature = "avx2", target_feature = "avx2"))]
#[must_use]
#[expect(
    clippy::missing_const_for_fn,
    reason = "must be compatible with non-avx2 version"
)]
#[inline]
pub fn has_avx2() -> bool {
    true
}

/// Returns `true` if the current machine supports the AVX2 instruction set.
#[cfg(all(target_arch = "x86_64", feature = "avx2", not(target_feature = "avx2")))]
#[must_use]
#[inline]
pub fn has_avx2() -> bool {
    is_x86_feature_detected!("avx2")
}

/// Returns `true` if the current machine supports the AVX2 instruction set.
#[cfg(not(all(target_arch = "x86_64", feature = "avx2")))]
#[must_use]
#[expect(
    clippy::missing_const_for_fn,
    reason = "must be compatible with non-avx2 version"
)]
#[allow(dead_code)]
#[inline]
pub fn has_avx2() -> bool {
    false
}

/// Returns `true` when the current machine supports the AVX-512 feature set
/// used by Skylake-class implementations.
#[cfg(all(
    target_arch = "x86_64",
    feature = "avx512",
    all(
        target_feature = "avx512f",
        target_feature = "avx512cd",
        target_feature = "avx512vl",
        target_feature = "avx512dq",
        target_feature = "avx512bw"
    )
))]
#[must_use]
#[expect(
    clippy::missing_const_for_fn,
    reason = "must be compatible with non-avx2 version"
)]
#[inline]
pub fn has_avx512_skylake() -> bool {
    true
}

#[cfg(all(
    target_arch = "x86_64",
    feature = "avx512",
    not(all(
        target_feature = "avx512f",
        target_feature = "avx512cd",
        target_feature = "avx512vl",
        target_feature = "avx512dq",
        target_feature = "avx512bw"
    ))
))]
#[must_use]
#[inline]
/// Returns `true` when the current machine supports the AVX-512 feature set
/// used by Skylake-class implementations.
pub fn has_avx512_skylake() -> bool {
    is_x86_feature_detected!("avx512f")
        && is_x86_feature_detected!("avx512cd")
        && is_x86_feature_detected!("avx512vl")
        && is_x86_feature_detected!("avx512dq")
        && is_x86_feature_detected!("avx512bw")
}

#[cfg(not(all(target_arch = "x86_64", feature = "avx512")))]
#[must_use]
#[expect(
    clippy::missing_const_for_fn,
    reason = "must be compatible with non-avx2 version"
)]
#[allow(dead_code)]
#[inline]
/// Returns `true` when the current machine supports the AVX-512 feature set
/// used by Skylake-class implementations.
pub fn has_avx512_skylake() -> bool {
    false
}

// Feature set supported by Ice Lake, Tiger Lake, Rocket Lake, Zen 4, and Zen 5
#[cfg(all(
    target_arch = "x86_64",
    feature = "avx512",
    all(
        target_feature = "avx512vpopcntdq",
        target_feature = "avx512ifma",
        target_feature = "avx512vbmi",
        target_feature = "avx512vnni",
        target_feature = "avx512vbmi2",
        target_feature = "avx512bitalg",
        target_feature = "vpclmulqdq",
        target_feature = "gfni",
        target_feature = "vaes"
    )
))]
#[must_use]
#[inline]
pub fn has_avx512_znver4() -> bool {
    has_avx512_skylake()
}

#[cfg(all(
    target_arch = "x86_64",
    feature = "avx512",
    not(all(
        target_feature = "avx512vpopcntdq",
        target_feature = "avx512ifma",
        target_feature = "avx512vbmi",
        target_feature = "avx512vnni",
        target_feature = "avx512vbmi2",
        target_feature = "avx512bitalg",
        target_feature = "vpclmulqdq",
        target_feature = "gfni",
        target_feature = "vaes"
    ))
))]
#[must_use]
#[inline]
pub fn has_avx512_znver4() -> bool {
    has_avx512_skylake()
        && is_x86_feature_detected!("avx512vpopcntdq")
        && is_x86_feature_detected!("avx512ifma")
        && is_x86_feature_detected!("avx512vbmi")
        && is_x86_feature_detected!("avx512vnni")
        && is_x86_feature_detected!("avx512vbmi2")
        && is_x86_feature_detected!("avx512bitalg")
        && is_x86_feature_detected!("vpclmulqdq")
        && is_x86_feature_detected!("gfni")
        && is_x86_feature_detected!("vaes")
}

#[cfg(not(all(target_arch = "x86_64", feature = "avx512")))]
#[must_use]
#[expect(
    clippy::missing_const_for_fn,
    reason = "must be compatible with non-avx2 version"
)]
#[allow(dead_code)]
#[inline]
pub fn has_avx512_znver4() -> bool {
    false
}

/// Returns `true` when the current machine supports the AVX-512 feature set
/// used by Zen 5-specific implementations.
#[cfg(all(
    target_arch = "x86_64",
    feature = "avx512",
    target_feature = "avx512vp2intersect"
))]
#[must_use]
#[inline]
pub fn has_avx512_znver5() -> bool {
    has_avx512_znver4()
}

#[cfg(all(
    target_arch = "x86_64",
    feature = "avx512",
    not(target_feature = "avx512vp2intersect")
))]
#[must_use]
#[inline]
/// Returns `true` when the current machine supports the AVX-512 feature set
/// used by Zen 5-specific implementations.
pub fn has_avx512_znver5() -> bool {
    has_avx512_znver4() && is_x86_feature_detected!("avx512vp2intersect")
}

#[cfg(not(all(target_arch = "x86_64", feature = "avx512")))]
#[must_use]
#[expect(
    clippy::missing_const_for_fn,
    reason = "must be compatible with non-avx2 version"
)]
#[allow(dead_code)]
#[inline]
/// Returns `true` when the current machine supports the AVX-512 feature set
/// used by Zen 5-specific implementations.
pub fn has_avx512_znver5() -> bool {
    false
}