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author | William Wilgus <me.theuser@yahoo.com> | 2019-01-04 02:01:18 -0600 |
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committer | Solomon Peachy <pizza@shaftnet.org> | 2021-04-23 14:23:04 +0000 |
commit | 14c6bb798d6bebc80f07e863236adbaf8d156a9c (patch) | |
tree | 551a4b641906c2626af844fa3239c1b2b1ff0ad3 /lib/rbcodec/codecs/libopus/celt/tests/test_unit_laplace.c | |
parent | 75d93937965ec4df70d37df6d4feea04577c996b (diff) | |
download | rockbox-14c6bb798d6bebc80f07e863236adbaf8d156a9c.tar.gz rockbox-14c6bb798d6bebc80f07e863236adbaf8d156a9c.zip |
Sync opus codec to upstream git
Change-Id: I0cfcc0005c4ad7bfbb1aaf454188ce70fb043dc1
Diffstat (limited to 'lib/rbcodec/codecs/libopus/celt/tests/test_unit_laplace.c')
-rw-r--r-- | lib/rbcodec/codecs/libopus/celt/tests/test_unit_laplace.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/lib/rbcodec/codecs/libopus/celt/tests/test_unit_laplace.c b/lib/rbcodec/codecs/libopus/celt/tests/test_unit_laplace.c new file mode 100644 index 0000000000..727bf012ef --- /dev/null +++ b/lib/rbcodec/codecs/libopus/celt/tests/test_unit_laplace.c | |||
@@ -0,0 +1,93 @@ | |||
1 | /* Copyright (c) 2008-2011 Xiph.Org Foundation, Mozilla Corporation | ||
2 | Written by Jean-Marc Valin and Timothy B. Terriberry */ | ||
3 | /* | ||
4 | Redistribution and use in source and binary forms, with or without | ||
5 | modification, are permitted provided that the following conditions | ||
6 | are met: | ||
7 | |||
8 | - Redistributions of source code must retain the above copyright | ||
9 | notice, this list of conditions and the following disclaimer. | ||
10 | |||
11 | - Redistributions in binary form must reproduce the above copyright | ||
12 | notice, this list of conditions and the following disclaimer in the | ||
13 | documentation and/or other materials provided with the distribution. | ||
14 | |||
15 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
16 | ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
17 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
18 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER | ||
19 | OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | ||
20 | EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | ||
21 | PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | ||
22 | PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | ||
23 | LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | ||
24 | NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | ||
25 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
26 | */ | ||
27 | |||
28 | #ifdef HAVE_CONFIG_H | ||
29 | #include "config.h" | ||
30 | #endif | ||
31 | |||
32 | #include <stdio.h> | ||
33 | #include <stdlib.h> | ||
34 | #define CELT_C | ||
35 | #include "laplace.h" | ||
36 | #include "stack_alloc.h" | ||
37 | |||
38 | #include "entenc.c" | ||
39 | #include "entdec.c" | ||
40 | #include "entcode.c" | ||
41 | #include "laplace.c" | ||
42 | |||
43 | #define DATA_SIZE 40000 | ||
44 | |||
45 | int ec_laplace_get_start_freq(int decay) | ||
46 | { | ||
47 | opus_uint32 ft = 32768 - LAPLACE_MINP*(2*LAPLACE_NMIN+1); | ||
48 | int fs = (ft*(16384-decay))/(16384+decay); | ||
49 | return fs+LAPLACE_MINP; | ||
50 | } | ||
51 | |||
52 | int main(void) | ||
53 | { | ||
54 | int i; | ||
55 | int ret = 0; | ||
56 | ec_enc enc; | ||
57 | ec_dec dec; | ||
58 | unsigned char *ptr; | ||
59 | int val[10000], decay[10000]; | ||
60 | ALLOC_STACK; | ||
61 | ptr = (unsigned char *)malloc(DATA_SIZE); | ||
62 | ec_enc_init(&enc,ptr,DATA_SIZE); | ||
63 | |||
64 | val[0] = 3; decay[0] = 6000; | ||
65 | val[1] = 0; decay[1] = 5800; | ||
66 | val[2] = -1; decay[2] = 5600; | ||
67 | for (i=3;i<10000;i++) | ||
68 | { | ||
69 | val[i] = rand()%15-7; | ||
70 | decay[i] = rand()%11000+5000; | ||
71 | } | ||
72 | for (i=0;i<10000;i++) | ||
73 | ec_laplace_encode(&enc, &val[i], | ||
74 | ec_laplace_get_start_freq(decay[i]), decay[i]); | ||
75 | |||
76 | ec_enc_done(&enc); | ||
77 | |||
78 | ec_dec_init(&dec,ec_get_buffer(&enc),ec_range_bytes(&enc)); | ||
79 | |||
80 | for (i=0;i<10000;i++) | ||
81 | { | ||
82 | int d = ec_laplace_decode(&dec, | ||
83 | ec_laplace_get_start_freq(decay[i]), decay[i]); | ||
84 | if (d != val[i]) | ||
85 | { | ||
86 | fprintf (stderr, "Got %d instead of %d\n", d, val[i]); | ||
87 | ret = 1; | ||
88 | } | ||
89 | } | ||
90 | |||
91 | free(ptr); | ||
92 | return ret; | ||
93 | } | ||