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
155
156
157
158
159
|
// Copyright 2008 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include "AudioCommon/WaveFile.h"
#include <string>
#include "Common/CommonTypes.h"
#include "Common/File.h"
#include "Common/FileUtil.h"
#include "Common/Logging/Log.h"
#include "Common/MsgHandler.h"
#include "Common/StringUtil.h"
#include "Common/Swap.h"
#include "Core/ConfigManager.h"
constexpr size_t WaveFileWriter::BUFFER_SIZE;
WaveFileWriter::WaveFileWriter()
{
}
WaveFileWriter::~WaveFileWriter()
{
Stop();
}
bool WaveFileWriter::Start(const std::string& filename, unsigned int HLESampleRate)
{
// Ask to delete file
if (File::Exists(filename))
{
if (SConfig::GetInstance().m_DumpAudioSilent ||
AskYesNoFmtT("Delete the existing file '{0}'?", filename))
{
File::Delete(filename);
}
else
{
// Stop and cancel dumping the audio
return false;
}
}
// Check if the file is already open
if (file)
{
PanicAlertFmtT("The file {0} was already open, the file header will not be written.", filename);
return false;
}
file.Open(filename, "wb");
if (!file)
{
PanicAlertFmtT(
"The file {0} could not be opened for writing. Please check if it's already opened "
"by another program.",
filename);
return false;
}
audio_size = 0;
if (basename.empty())
SplitPath(filename, nullptr, &basename, nullptr);
current_sample_rate = HLESampleRate;
// -----------------
// Write file header
// -----------------
Write4("RIFF");
Write(100 * 1000 * 1000); // write big value in case the file gets truncated
Write4("WAVE");
Write4("fmt ");
Write(16); // size of fmt block
Write(0x00020001); // two channels, uncompressed
const u32 sample_rate = HLESampleRate;
Write(sample_rate);
Write(sample_rate * 2 * 2); // two channels, 16bit
Write(0x00100004);
Write4("data");
Write(100 * 1000 * 1000 - 32);
// We are now at offset 44
if (file.Tell() != 44)
PanicAlertFmt("Wrong offset: {}", file.Tell());
return true;
}
void WaveFileWriter::Stop()
{
// u32 file_size = (u32)ftello(file);
file.Seek(4, SEEK_SET);
Write(audio_size + 36);
file.Seek(40, SEEK_SET);
Write(audio_size);
file.Close();
}
void WaveFileWriter::Write(u32 value)
{
file.WriteArray(&value, 1);
}
void WaveFileWriter::Write4(const char* ptr)
{
file.WriteBytes(ptr, 4);
}
void WaveFileWriter::AddStereoSamplesBE(const short* sample_data, u32 count, int sample_rate)
{
if (!file)
ERROR_LOG_FMT(AUDIO, "WaveFileWriter - file not open.");
if (count > BUFFER_SIZE * 2)
ERROR_LOG_FMT(AUDIO, "WaveFileWriter - buffer too small (count = {}).", count);
if (skip_silence)
{
bool all_zero = true;
for (u32 i = 0; i < count * 2; i++)
{
if (sample_data[i])
all_zero = false;
}
if (all_zero)
return;
}
for (u32 i = 0; i < count; i++)
{
// Flip the audio channels from RL to LR
conv_buffer[2 * i] = Common::swap16((u16)sample_data[2 * i + 1]);
conv_buffer[2 * i + 1] = Common::swap16((u16)sample_data[2 * i]);
}
if (sample_rate != current_sample_rate)
{
Stop();
file_index++;
std::ostringstream filename;
filename << File::GetUserPath(D_DUMPAUDIO_IDX) << basename << file_index << ".wav";
Start(filename.str(), sample_rate);
current_sample_rate = sample_rate;
}
file.WriteBytes(conv_buffer.data(), count * 4);
audio_size += count * 4;
}
|
