FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/avfft.c
Date: 2022-12-09 07:38:14
Exec Total Coverage
Lines: 0 35 0.0%
Functions: 0 10 0.0%
Branches: 0 18 0.0%

Line Branch Exec Source
1 /*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #include "libavutil/attributes.h"
20 #include "libavutil/mem.h"
21 #include "avfft.h"
22 #include "fft.h"
23 #include "rdft.h"
24 #include "dct.h"
25
26 /* FFT */
27
28 FFTContext *av_fft_init(int nbits, int inverse)
29 {
30 FFTContext *s = av_mallocz(sizeof(*s));
31
32 if (s && ff_fft_init(s, nbits, inverse))
33 av_freep(&s);
34
35 return s;
36 }
37
38 void av_fft_permute(FFTContext *s, FFTComplex *z)
39 {
40 s->fft_permute(s, z);
41 }
42
43 void av_fft_calc(FFTContext *s, FFTComplex *z)
44 {
45 s->fft_calc(s, z);
46 }
47
48 av_cold void av_fft_end(FFTContext *s)
49 {
50 if (s) {
51 ff_fft_end(s);
52 av_free(s);
53 }
54 }
55
56 #if CONFIG_MDCT
57
58 FFTContext *av_mdct_init(int nbits, int inverse, double scale)
59 {
60 FFTContext *s = av_malloc(sizeof(*s));
61
62 if (s && ff_mdct_init(s, nbits, inverse, scale))
63 av_freep(&s);
64
65 return s;
66 }
67
68 void av_imdct_calc(FFTContext *s, FFTSample *output, const FFTSample *input)
69 {
70 s->imdct_calc(s, output, input);
71 }
72
73 void av_imdct_half(FFTContext *s, FFTSample *output, const FFTSample *input)
74 {
75 s->imdct_half(s, output, input);
76 }
77
78 void av_mdct_calc(FFTContext *s, FFTSample *output, const FFTSample *input)
79 {
80 s->mdct_calc(s, output, input);
81 }
82
83 av_cold void av_mdct_end(FFTContext *s)
84 {
85 if (s) {
86 ff_mdct_end(s);
87 av_free(s);
88 }
89 }
90
91 #endif /* CONFIG_MDCT */
92
93 #if CONFIG_RDFT
94
95 RDFTContext *av_rdft_init(int nbits, enum RDFTransformType trans)
96 {
97 RDFTContext *s = av_malloc(sizeof(*s));
98
99 if (s && ff_rdft_init(s, nbits, trans))
100 av_freep(&s);
101
102 return s;
103 }
104
105 void av_rdft_calc(RDFTContext *s, FFTSample *data)
106 {
107 s->rdft_calc(s, data);
108 }
109
110 av_cold void av_rdft_end(RDFTContext *s)
111 {
112 if (s) {
113 ff_rdft_end(s);
114 av_free(s);
115 }
116 }
117
118 #endif /* CONFIG_RDFT */
119
120 #if CONFIG_DCT
121
122 DCTContext *av_dct_init(int nbits, enum DCTTransformType inverse)
123 {
124 DCTContext *s = av_malloc(sizeof(*s));
125
126 if (s && ff_dct_init(s, nbits, inverse))
127 av_freep(&s);
128
129 return s;
130 }
131
132 void av_dct_calc(DCTContext *s, FFTSample *data)
133 {
134 s->dct_calc(s, data);
135 }
136
137 av_cold void av_dct_end(DCTContext *s)
138 {
139 if (s) {
140 ff_dct_end(s);
141 av_free(s);
142 }
143 }
144
145 #endif /* CONFIG_DCT */
146