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
|
/*
* Copyright (C) 2003-2013 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include "test_pcm_all.hxx"
#include "test_pcm_util.hxx"
#include "PcmMix.hxx"
#include <glib.h>
template<typename T, sample_format format, typename G=GlibRandomInt<T>>
void
TestPcmMix(G g=G())
{
constexpr unsigned N = 256;
const auto src1 = TestDataBuffer<T, N>(g);
const auto src2 = TestDataBuffer<T, N>(g);
/* portion1=1.0: result must be equal to src1 */
auto result = src1;
bool success = pcm_mix(result.begin(), src2.begin(), sizeof(result),
format, 1.0);
g_assert(success);
AssertEqualWithTolerance(result, src1, 1);
/* portion1=0.0: result must be equal to src2 */
result = src1;
success = pcm_mix(result.begin(), src2.begin(), sizeof(result),
format, 0.0);
g_assert(success);
AssertEqualWithTolerance(result, src2, 1);
/* portion1=0.5 */
result = src1;
success = pcm_mix(result.begin(), src2.begin(), sizeof(result),
format, 0.5);
g_assert(success);
auto expected = src1;
for (unsigned i = 0; i < N; ++i)
expected[i] = (int64_t(src1[i]) + int64_t(src2[i])) / 2;
AssertEqualWithTolerance(result, expected, 1);
}
void
test_pcm_mix_8()
{
TestPcmMix<int8_t, SAMPLE_FORMAT_S8>();
}
void
test_pcm_mix_16()
{
TestPcmMix<int16_t, SAMPLE_FORMAT_S16>();
}
void
test_pcm_mix_24()
{
TestPcmMix<int32_t, SAMPLE_FORMAT_S24_P32>(GlibRandomInt24());
}
void
test_pcm_mix_32()
{
TestPcmMix<int32_t, SAMPLE_FORMAT_S32>();
}
|
