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
|
// SPDX-License-Identifier: GPL-2.0-or-later
// Copyright The Music Player Daemon Project
#include "test_pcm_util.hxx"
#include "pcm/Pack.hxx"
#include "util/ByteOrder.hxx"
#include <gtest/gtest.h>
TEST(PcmTest, Pack24)
{
constexpr unsigned N = 509;
const auto src = TestDataBuffer<int32_t, N>(RandomInt24());
uint8_t dest[N * 3];
pcm_pack_24(dest, src.begin(), src.end());
for (unsigned i = 0; i < N; ++i) {
int32_t d;
if (IsBigEndian())
d = (dest[i * 3] << 16) | (dest[i * 3 + 1] << 8)
| dest[i * 3 + 2];
else
d = (dest[i * 3 + 2] << 16) | (dest[i * 3 + 1] << 8)
| dest[i * 3];
if (d & 0x800000)
d |= 0xff000000;
EXPECT_EQ(d, src[i]);
}
}
TEST(PcmTest, Unpack24)
{
constexpr unsigned N = 509;
const auto src = TestDataBuffer<uint8_t, N * 3>();
int32_t dest[N];
pcm_unpack_24(dest, src.begin(), src.end());
for (unsigned i = 0; i < N; ++i) {
int32_t s;
if (IsBigEndian())
s = (src[i * 3] << 16) | (src[i * 3 + 1] << 8)
| src[i * 3 + 2];
else
s = (src[i * 3 + 2] << 16) | (src[i * 3 + 1] << 8)
| src[i * 3];
if (s & 0x800000)
s |= 0xff000000;
EXPECT_EQ(s, dest[i]);
}
}
TEST(PcmTest, Unpack24BE)
{
constexpr unsigned N = 509;
const auto src = TestDataBuffer<uint8_t, N * 3>();
int32_t dest[N];
pcm_unpack_24be(dest, src.begin(), src.end());
for (unsigned i = 0; i < N; ++i) {
int32_t s;
s = (src[i * 3] << 16) | (src[i * 3 + 1] << 8)
| src[i * 3 + 2];
if (s & 0x800000)
s |= 0xff000000;
EXPECT_EQ(s, dest[i]);
}
}
|
