blob: 04145b02f31d7abfe8414118e22a0e05cd42cb87 (
plain)
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
|
#include "compareoutputengine.h"
#include <iostream>
CompareOutputEngine::CompareOutputEngine()
: AudioOutputEngine{}
, info{}
, file{"output"}
{
info = {};
info.samplerate = 44100;
info.channels = 1;
info.format = SF_FORMAT_WAV | SF_FORMAT_FLOAT;
}
CompareOutputEngine::~CompareOutputEngine()
{
std::cout << "diff_samples: " << diff_samples << std::endl;
sf_close(handle);
}
bool CompareOutputEngine::init(const Channels& channels)
{
info.channels = channels.size();
handle = sf_open(file.c_str(), SFM_READ, &info);
if(handle == nullptr)
{
std::cerr << "[CompareOutputEngine] Failed to open "
<< file << " for writing.\n";
return false;
}
return true;
}
void CompareOutputEngine::setParm(const std::string& parm, const std::string& value)
{
if(parm == "file")
{
file = value;
}
else if(parm == "srate")
{
try
{
info.samplerate = std::stoi(value);
}
catch(...)
{
std::cerr << "[CompareOutputEngine] Invalid samplerate " << value
<< "\n";
}
}
else
{
std::cerr << "[CompareOutputEngine] Unsupported parameter '" << parm
<< "'\n";
}
}
bool CompareOutputEngine::start()
{
return true;
}
void CompareOutputEngine::stop()
{
}
void CompareOutputEngine::pre(size_t nsamples)
{
}
void CompareOutputEngine::run(int ch, sample_t* samples, size_t nsamples)
{
if(ch >= info.channels)
{
std::cerr << "[CompareOutputEngine] cannot access channel #" << ch
<< " (" << info.channels << " channels available)\n";
return;
}
for(std::size_t i = 0; i < nsamples; ++i)
{
buffer[i * info.channels + ch] = samples[i];
}
}
void CompareOutputEngine::post(size_t nsamples)
{
nsamples = sf_readf_float(handle, ref_buffer, nsamples);
if(nsamples == 0)
{
return;
}
for(std::size_t i = 0; i < nsamples; ++i)
{
for(std::size_t ch = 0; ch < (std::size_t)info.channels; ++ch)
{
if(buffer[i * info.channels + ch] != ref_buffer[i * info.channels + ch])
{
++diff_samples;
}
}
}
pos += nsamples;
}
size_t CompareOutputEngine::getSamplerate() const
{
return info.samplerate;
}
bool CompareOutputEngine::isFreewheeling() const
{
return true;
}
|