208 lines
6.4 KiB
C++
208 lines
6.4 KiB
C++
/***************************************************************************
|
|
copyright : (C) 2002 - 2008 by Scott Wheeler
|
|
email : wheeler@kde.org
|
|
***************************************************************************/
|
|
|
|
/***************************************************************************
|
|
* This library is free software; you can redistribute it and/or modify *
|
|
* it under the terms of the GNU Lesser General Public License version *
|
|
* 2.1 as published by the Free Software Foundation. *
|
|
* *
|
|
* This library is distributed in the hope that it will be useful, but *
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of *
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
|
|
* Lesser General Public License for more details. *
|
|
* *
|
|
* You should have received a copy of the GNU Lesser General Public *
|
|
* License along with this library; if not, write to the Free Software *
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA *
|
|
* 02110-1301 USA *
|
|
* *
|
|
* Alternatively, this file is available under the Mozilla Public *
|
|
* License Version 1.1. You may obtain a copy of the License at *
|
|
* http://www.mozilla.org/MPL/ *
|
|
***************************************************************************/
|
|
|
|
#include "attachedpictureframe.h"
|
|
|
|
#include "tstringlist.h"
|
|
#include "tdebug.h"
|
|
|
|
using namespace Strawberry_TagLib::TagLib;
|
|
using namespace ID3v2;
|
|
|
|
class AttachedPictureFrame::AttachedPictureFramePrivate {
|
|
public:
|
|
explicit AttachedPictureFramePrivate() : textEncoding(String::Latin1), type(AttachedPictureFrame::Other) {}
|
|
|
|
String::Type textEncoding;
|
|
String mimeType;
|
|
AttachedPictureFrame::Type type;
|
|
String description;
|
|
ByteVector data;
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// public members
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
AttachedPictureFrame::AttachedPictureFrame() : Frame("APIC"), d(new AttachedPictureFramePrivate()) {}
|
|
|
|
AttachedPictureFrame::AttachedPictureFrame(const ByteVector &data) : Frame(data), d(new AttachedPictureFramePrivate()) {
|
|
setData(data);
|
|
}
|
|
|
|
AttachedPictureFrame::~AttachedPictureFrame() {
|
|
delete d;
|
|
}
|
|
|
|
String AttachedPictureFrame::toString() const {
|
|
String s = "[" + d->mimeType + "]";
|
|
return d->description.isEmpty() ? s : d->description + " " + s;
|
|
}
|
|
|
|
String::Type AttachedPictureFrame::textEncoding() const {
|
|
return d->textEncoding;
|
|
}
|
|
|
|
void AttachedPictureFrame::setTextEncoding(String::Type t) {
|
|
d->textEncoding = t;
|
|
}
|
|
|
|
String AttachedPictureFrame::mimeType() const {
|
|
return d->mimeType;
|
|
}
|
|
|
|
void AttachedPictureFrame::setMimeType(const String &m) {
|
|
d->mimeType = m;
|
|
}
|
|
|
|
AttachedPictureFrame::Type AttachedPictureFrame::type() const {
|
|
return d->type;
|
|
}
|
|
|
|
void AttachedPictureFrame::setType(Type t) {
|
|
d->type = t;
|
|
}
|
|
|
|
String AttachedPictureFrame::description() const {
|
|
return d->description;
|
|
}
|
|
|
|
void AttachedPictureFrame::setDescription(const String &desc) {
|
|
d->description = desc;
|
|
}
|
|
|
|
ByteVector AttachedPictureFrame::picture() const {
|
|
return d->data;
|
|
}
|
|
|
|
void AttachedPictureFrame::setPicture(const ByteVector &p) {
|
|
d->data = p;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// protected members
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
void AttachedPictureFrame::parseFields(const ByteVector &data) {
|
|
|
|
if (data.size() < 5) {
|
|
debug("A picture frame must contain at least 5 bytes.");
|
|
return;
|
|
}
|
|
|
|
d->textEncoding = String::Type(data[0]);
|
|
|
|
size_t pos = 1;
|
|
|
|
d->mimeType = readStringField(data, String::Latin1, pos);
|
|
/* Now we need at least two more bytes available */
|
|
if (pos + 1 >= data.size()) {
|
|
debug("Truncated picture frame.");
|
|
return;
|
|
}
|
|
|
|
d->type = static_cast<ID3v2::AttachedPictureFrame::Type>(data[pos++]);
|
|
d->description = readStringField(data, d->textEncoding, pos);
|
|
|
|
d->data = data.mid(pos);
|
|
|
|
}
|
|
|
|
ByteVector AttachedPictureFrame::renderFields() const {
|
|
|
|
ByteVector data;
|
|
|
|
String::Type encoding = checkTextEncoding(d->description, d->textEncoding);
|
|
|
|
data.append(char(encoding));
|
|
data.append(d->mimeType.data(String::Latin1));
|
|
data.append(textDelimiter(String::Latin1));
|
|
data.append(char(d->type));
|
|
data.append(d->description.data(encoding));
|
|
data.append(textDelimiter(encoding));
|
|
data.append(d->data);
|
|
|
|
return data;
|
|
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// private members
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
AttachedPictureFrame::AttachedPictureFrame(const ByteVector &data, Header *h) : Frame(h), d(new AttachedPictureFramePrivate()) {
|
|
parseFields(fieldData(data));
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// support for ID3v2.2 PIC frames
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
void AttachedPictureFrameV22::parseFields(const ByteVector &data) {
|
|
|
|
if (data.size() < 5) {
|
|
debug("A picture frame must contain at least 5 bytes.");
|
|
return;
|
|
}
|
|
|
|
d->textEncoding = String::Type(data[0]);
|
|
|
|
size_t pos = 1;
|
|
|
|
String fixedString = String(data.mid(pos, 3), String::Latin1);
|
|
pos += 3;
|
|
// convert fixed string image type to mime string
|
|
if (fixedString.upper() == "JPG") {
|
|
d->mimeType = "image/jpeg";
|
|
}
|
|
else if (fixedString.upper() == "PNG") {
|
|
d->mimeType = "image/png";
|
|
}
|
|
else {
|
|
debug("probably unsupported image type");
|
|
d->mimeType = "image/" + fixedString;
|
|
}
|
|
|
|
d->type = static_cast<ID3v2::AttachedPictureFrame::Type>(data[pos++]);
|
|
d->description = readStringField(data, d->textEncoding, pos);
|
|
|
|
d->data = data.mid(pos);
|
|
|
|
}
|
|
|
|
AttachedPictureFrameV22::AttachedPictureFrameV22(const ByteVector &data, Header *h) {
|
|
|
|
// set v2.2 header to make fieldData work correctly
|
|
setHeader(h, true);
|
|
|
|
parseFields(fieldData(data));
|
|
|
|
// now set the v2.4 header
|
|
Frame::Header *newHeader = new Frame::Header("APIC");
|
|
newHeader->setFrameSize(h->frameSize());
|
|
setHeader(newHeader, true);
|
|
|
|
}
|