-
Notifications
You must be signed in to change notification settings - Fork 0
/
test.cpp
218 lines (182 loc) · 4.85 KB
/
test.cpp
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
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
#include "common.h"
#include "tag.h"
#include <cstdio>
#define LOG(msg) std::cout << msg << std::endl
//#define ERROR(msg) do { std::cerr << "ERROR @ " << __FILE__ << ":" << __LINE__ << ": " << msg << std::endl; } while(0)
static void printTagV1(FILE* f)
{
auto tagSize = Tag::IID3v1::size();
if(fseek(f, -static_cast<long>(tagSize), SEEK_END) == -1)
{
LOG("No ID3v1 tag (file too small)");
return;
}
std::vector<uchar> buf(tagSize);
if(fread(&buf[0], buf.size(), 1, f) != 1)
{
LOG("Failed to read " << buf.size() << " bytes");
return;
}
LOG("ID3v1" << std::endl << "================");
tagSize = Tag::IID3v1::getSize(&buf[0], 0, buf.size());
if(!tagSize)
{
LOG("No ID3v1 tag");
return;
}
auto tag = Tag::IID3v1::create(&buf[0], 0, tagSize);
LOG("Title: " << tag->getTitle());
LOG("Artist: " << tag->getArtist());
LOG("Album: " << tag->getAlbum());
LOG("Year: " << tag->getYear());
LOG("Comment: " << tag->getComment());
LOG("Vesrion: " << (tag->isV11() ? "1.1" : "1"));
if(tag->isV11())
LOG("Track: " << tag->getTrack());
auto idGenre = tag->getGenreIndex();
LOG("Genre: " << idGenre << " (" << Tag::genre(idGenre) << ')');
}
// ================
static std::string makeAlignedCaption(const std::string& f_name, int f_index = -1)
{
auto str = f_name;
if(f_index >= 0)
str = str + '(' + std::to_string(f_index) + ')';
auto n = 16 - str.length();
if(n > 0)
str.append(n, ' ');
str.append(1, ':');
return str;
}
using tag_frame_count_getter_t = unsigned (Tag::IID3v2::*)() const;
using tag_frame_getter_t = const std::string& (Tag::IID3v2::*)(unsigned f_index) const;
using tag_genre_index_getter_t = int (Tag::IID3v2::*)(unsigned f_index) const;
static void printFrames(const std::string& f_name, const Tag::IID3v2& f_tag, tag_frame_count_getter_t f_pfnCount, tag_frame_getter_t f_pfnGetter, tag_genre_index_getter_t f_pfnGenreIndex)
{
auto nTags = (f_tag.*f_pfnCount)();
if(nTags < 2)
{
auto caption = makeAlignedCaption(f_name);
if(nTags)
{
caption = caption + ' ' + (f_tag.*f_pfnGetter)(0);
if(f_pfnGenreIndex)
caption = caption + " (" + std::to_string((f_tag.*f_pfnGenreIndex)(0)) + ')';
LOG(caption);
}
}
else
{
for(unsigned i = 0; i < nTags; ++i)
{
auto caption = makeAlignedCaption(f_name, i) + ' ' + (f_tag.*f_pfnGetter)(i);
if(f_pfnGenreIndex)
caption = caption + " (" + std::to_string((f_tag.*f_pfnGenreIndex)(i)) + ')';
LOG(caption);
}
}
}
static void printTagV2(FILE* f)
{
fseek(f, 0, SEEK_END);
auto fsize = ftell(f);
fseek(f, 0, SEEK_SET);
std::vector<uchar> buf(fsize);
if(fread(&buf[0], fsize, 1, f) != 1)
{
LOG("Failed to read the file");
return;
}
LOG("ID3v2" << std::endl << "================");
auto tagSize = Tag::IID3v2::getSize(&buf[0], 0, fsize);
if(!tagSize)
{
LOG("No ID3v2 tag");
return;
}
auto tag = Tag::IID3v2::create(&buf[0], 0, tagSize);
#define PRINT_FRAMES(Name, ExFn) printFrames(#Name, *tag, &Tag::IID3v2::get##Name##Count, &Tag::IID3v2::get##Name, ExFn)
#define PRINT(Name) PRINT_FRAMES(Name, nullptr)
LOG(makeAlignedCaption("Version") << ' ' << tag->getMinorVersion() << '.' << tag->getRevision());
PRINT(Track);
PRINT(Disc);
PRINT(BPM);
PRINT(Title);
PRINT(Artist);
PRINT(Album);
PRINT(AlbumArtist);
PRINT(Year);
PRINT_FRAMES(Genre, &Tag::IID3v2::getGenreIndex);
PRINT(Comment);
PRINT(Composer);
PRINT(Publisher);
PRINT(OrigArtist);
PRINT(Copyright);
PRINT(URL);
PRINT(Encoded);
std::vector<std::string> uframes = tag->getUnknownFrames();
if(auto n = uframes.size())
{
std::cout << "Unknown frames :";
for(uint i = 0; i < n; ++i)
std::cout << " " << uframes[i];
std::cout << std::endl;
}
}
// ================
static void printTagAPE(FILE* f)
{
uint offset = 7051931;//0x317770;
fseek(f, 0, SEEK_END);
long fsize = ftell(f);
fseek(f, 0, SEEK_SET);
if(fseek(f, offset, SEEK_SET) == -1)
{
LOG("APE tag not found");;
return;
}
std::vector<uchar> buf(fsize - offset);
if(fread(&buf[0], buf.size(), 1, f) != 1)
{
LOG("Failed to read " << buf.size() << " bytes");
return;
}
LOG("APE" << std::endl << "================");
size_t relOffset = 2157 - 1931;
auto tagSize = Tag::IAPE::getSize(&buf[0], relOffset, buf.size());
if(!tagSize)
{
LOG("No tag");
return;
}
auto nextOffset = relOffset + tagSize;
if(nextOffset < relOffset)
{
relOffset = nextOffset;
tagSize = Tag::IAPE::getSize(&buf[0], relOffset, tagSize);
}
auto tag = Tag::IAPE::create(&buf[0], relOffset, tagSize);
LOG("Tag OK");
}
// ====================================
static void test_file(const char* f_path)
{
if(FILE* f = fopen(f_path, "rb"))
{
LOG("Checking \"" << f_path << "\"...");
printTagV1(f);
LOG("");
printTagV2(f);
LOG("");
printTagAPE(f);
fclose(f);
}
else
LOG("Failed to open \"" << f_path << "\"");
}
int main(int, char**)
{
//test_header(0x44e0fbff);
test_file("test.mp3");
return 0;
}