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
|
/*
* This file is part of the KDE KIO-Extras project
* SPDX-FileCopyrightText: 2009 Vytautas Mickus <vmickus@gmail.com>
* SPDX-FileCopyrightText: 2016 Anthony Fieroni <bvbfan@abv.com>
*
* SPDX-License-Identifier: LGPL-2.1-only
*/
#include "audiocreator.h"
#include <QFile>
#include <QImage>
#include <QMimeDatabase>
#include <QMimeType>
#include <KPluginFactory>
#include <aifffile.h>
#include <apefile.h>
#include <apetag.h>
#include <attachedpictureframe.h>
#include <fileref.h>
#include <flacfile.h>
#include <flacpicture.h>
#include <id3v2tag.h>
#include <mp4file.h>
#include <mp4tag.h>
#include <mpcfile.h>
#include <mpegfile.h>
#include <wavfile.h>
#include <wavpackfile.h>
#include <xiphcomment.h>
K_PLUGIN_CLASS_WITH_JSON(AudioCreator, "audiothumbnail.json")
AudioCreator::AudioCreator(QObject *parent, const QVariantList &args)
: KIO::ThumbnailCreator(parent, args)
{
}
AudioCreator::~AudioCreator()
{
}
namespace TagLib
{
namespace RIFF
{
namespace AIFF
{
struct FileExt : public File {
using File::File;
ID3v2::Tag *ID3v2Tag() const
{
return tag();
}
};
}
}
}
template<class T>
static KIO::ThumbnailResult parseID3v2Tag(T &file)
{
if (!file.hasID3v2Tag() || !file.ID3v2Tag()) {
return KIO::ThumbnailResult::fail();
}
const auto &map = file.ID3v2Tag()->frameListMap();
if (map["APIC"].isEmpty()) {
return KIO::ThumbnailResult::fail();
}
auto apicFrame = dynamic_cast<TagLib::ID3v2::AttachedPictureFrame *>(map["APIC"].front());
if (!apicFrame) {
return KIO::ThumbnailResult::fail();
}
const auto coverData = apicFrame->picture();
QImage img;
bool okay = img.loadFromData((uchar *)coverData.data(), coverData.size());
return okay ? KIO::ThumbnailResult::pass(img) : KIO::ThumbnailResult::fail();
}
template<class T>
static KIO::ThumbnailResult parseFlacTag(T &file)
{
const auto pictureList = file.pictureList();
for (const auto &picture : pictureList) {
if (picture->type() != TagLib::FLAC::Picture::FrontCover) {
continue;
}
const auto coverData = picture->data();
QImage img;
bool okay = img.loadFromData((uchar *)coverData.data(), coverData.size());
return okay ? KIO::ThumbnailResult::pass(img) : KIO::ThumbnailResult::fail();
}
return KIO::ThumbnailResult::fail();
}
template<class T>
static KIO::ThumbnailResult parseMP4Tag(T &file)
{
if (!file.hasMP4Tag() || !file.tag()) {
return KIO::ThumbnailResult::fail();
}
const auto &map = file.tag()->itemMap();
for (const auto &coverList : map) {
auto coverArtList = coverList.second.toCoverArtList();
if (coverArtList.isEmpty()) {
continue;
}
const auto coverData = coverArtList[0].data();
QImage img;
bool okay = img.loadFromData((uchar *)coverData.data(), coverData.size());
return okay ? KIO::ThumbnailResult::pass(img) : KIO::ThumbnailResult::fail();
}
return KIO::ThumbnailResult::fail();
}
template<class T>
static KIO::ThumbnailResult parseAPETag(T &file)
{
if (!file.hasAPETag() || !file.APETag()) {
return KIO::ThumbnailResult::fail();
}
const auto &map = file.APETag()->itemListMap();
for (const auto &item : map) {
if (item.second.type() != TagLib::APE::Item::Binary) {
continue;
}
const auto coverData = item.second.binaryData();
const auto data = coverData.data();
const auto size = coverData.size();
for (size_t i = 0; i < size; ++i) {
if (data[i] == '\0' && (i + 1) < size) {
const auto start = data + i + 1;
QImage img;
bool okay = img.loadFromData((uchar *)start, size - (start - data));
return okay ? KIO::ThumbnailResult::pass(img) : KIO::ThumbnailResult::fail();
;
}
}
}
return KIO::ThumbnailResult::fail();
}
KIO::ThumbnailResult AudioCreator::create(const KIO::ThumbnailRequest &request)
{
QMimeDatabase db;
QMimeType type = db.mimeTypeForName(request.mimeType());
const QByteArray fileNameBytes = QFile::encodeName(request.url().toLocalFile());
const char *fileName = fileNameBytes.constData();
if (!type.isValid()) {
return KIO::ThumbnailResult::fail();
}
if (type.inherits("audio/mpeg")) {
TagLib::MPEG::File file(fileName);
if (auto result = parseID3v2Tag(file); result.isValid()) {
return result;
}
return parseAPETag(file);
}
if (type.inherits("audio/x-flac") || type.inherits("audio/flac")) {
TagLib::FLAC::File file(fileName);
if (auto result = parseFlacTag(file); result.isValid()) {
return result;
}
return parseID3v2Tag(file);
}
if (type.inherits("audio/mp4") || type.inherits("audio/x-m4a") || type.inherits("audio/vnd.audible.aax")) {
TagLib::MP4::File file(fileName);
return parseMP4Tag(file);
}
if (type.inherits("audio/x-ape")) {
TagLib::APE::File file(fileName);
return parseAPETag(file);
}
if (type.inherits("audio/x-wavpack") || type.inherits("audio/x-vw")) {
TagLib::WavPack::File file(fileName);
return parseAPETag(file);
}
if (type.inherits("audio/x-musepack")) {
TagLib::MPC::File file(fileName);
return parseAPETag(file);
}
if (type.inherits("audio/ogg") || type.inherits("audio/vorbis")) {
TagLib::FileRef fileRef(fileName);
if (fileRef.isNull()) {
return KIO::ThumbnailResult::fail();
}
auto xiphComment = dynamic_cast<TagLib::Ogg::XiphComment *>(fileRef.tag());
if (!xiphComment || xiphComment->isEmpty()) {
return KIO::ThumbnailResult::fail();
}
return parseFlacTag(*xiphComment);
}
if (type.inherits("audio/x-aiff") || type.inherits("audio/x-aifc")) {
TagLib::RIFF::AIFF::FileExt file(fileName);
return parseID3v2Tag(file);
}
if (type.inherits("audio/x-wav")) {
TagLib::RIFF::WAV::File file(fileName);
return parseID3v2Tag(file);
}
return KIO::ThumbnailResult::fail();
}
#include "audiocreator.moc"
#include "moc_audiocreator.cpp"
|
