/
audio_core_signal.R
168 lines (128 loc) · 3.19 KB
/
audio_core_signal.R
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
#' @title Audio_extensions
#' @description get all allowed audio extensions
#' @return vector
#' @export
audio_extensions = function() {
unlist(fastaudio()$core$signal$audio_extensions)
}
#' @title Get_audio_files
#'
#' @description Get audio files in `path` recursively, only in `folders`, if specified.
#'
#'
#' @param path path
#' @param recurse recursive or not
#' @param folders vector, folders
#' @return None
#' @export
get_audio_files <- function(path, recurse = TRUE, folders = NULL) {
if(missing(path)) {
fastaudio()$core$signal$get_audio_files
} else {
args = list(
path = path,
recurse = recurse,
folders = folders
)
if(is.null(args$folders))
args$folders <- NULL
do.call(fastaudio()$core$signal$get_audio_files, args)
}
}
#' @title AudioGetter
#'
#' @description Create `get_audio_files` partial function that searches path suffix `suf`
#'
#' @details and passes along `kwargs`, only in `folders`, if specified.
#'
#' @param suf suffix
#' @param recurse recursive or not
#' @param folders vector, folders
#' @return None
#' @export
AudioGetter <- function(suf = "", recurse = TRUE, folders = NULL) {
args = list(
suf = suf,
recurse = recurse,
folders = folders
)
if(is.null(args$folders))
args$folders <- NULL
do.call(fastaudio()$core$signal$AudioGetter, args)
}
#' @title Tar_extract_at_filename
#'
#' @description Extract `fname` to `dest`/`fname.name` folder using `tarfile`
#'
#'
#' @param fname folder name
#' @param dest destination
#' @return None
#' @export
tar_extract_at_filename <- function(fname, dest) {
fastaudio()$core$signal$tar_extract_at_filename(
fname = fname,
dest = dest
)
}
#' @title Audio Tensor
#'
#' @description Semantic torch tensor that represents an audio.
#'
#' @param x tensor
#' @param sr sr
#' @return tensor
#' @export
AudioTensor <- function(x, sr = NULL) {
args = list(
x = x,
sr = sr
)
if(is.null(args$sr))
args$sr <- NULL
do.call(fastaudio()$core$signal$AudioTensor, args)
}
#' @title AudioTensor create
#'
#' @description Creates audio tensor from file
#'
#' @param fn function
#' @param cache_folder cache folder
#' @param normalize apply normalization or not
#' @param channels_first channels first/last
#' @param num_frames number of frames
#' @param frame_offset offset
#' @return None
#' @export
AudioTensor_create <- function(fn, cache_folder = NULL, frame_offset = 0, num_frames = -1,
normalize = TRUE, channels_first = TRUE) {
if(missing(fn)) {
fastaudio()$core$signal$AudioTensor$create
} else {
args = list(
fn = fn,
cache_folder = cache_folder,
frame_offset = as.integer(frame_offset),
num_frames = as.integer(num_frames),
normalize = normalize,
channels_first = channels_first
)
if(is.null(args$cache_folder))
args$cache_folder <- NULL
do.call(fastaudio()$core$signal$AudioTensor$create, args)
}
}
#' @title OpenAudio
#'
#' @description Transform that creates AudioTensors from a list of files.
#'
#'
#' @param items vector, items
#' @return None
#'
#' @export
OpenAudio <- function(items) {
fastaudio()$core$signal$OpenAudio(
items = items
)
}