169 lines
4.8 KiB
C++
169 lines
4.8 KiB
C++
/**************************************************************************
|
|
copyright : (C) 2010 by Anton Sergunov
|
|
email : setosha@gmail.com
|
|
**************************************************************************/
|
|
|
|
/***************************************************************************
|
|
* 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 <memory>
|
|
|
|
#include "taglib.h"
|
|
#include "tdebug.h"
|
|
|
|
#include "asfattribute.h"
|
|
#include "asffile.h"
|
|
#include "asfpicture.h"
|
|
#include "asfutils.h"
|
|
|
|
using namespace Strawberry_TagLib::TagLib;
|
|
|
|
namespace {
|
|
struct PictureData {
|
|
bool valid;
|
|
ASF::Picture::Type type;
|
|
String mimeType;
|
|
String description;
|
|
ByteVector picture;
|
|
};
|
|
} // namespace
|
|
|
|
class ASF::Picture::PicturePrivate {
|
|
public:
|
|
explicit PicturePrivate() : data(new PictureData()) {}
|
|
|
|
std::shared_ptr<PictureData> data;
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// Picture class members
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
ASF::Picture::Picture() : d(new PicturePrivate()) {
|
|
d->data->valid = true;
|
|
}
|
|
|
|
ASF::Picture::Picture(const Picture& other) : d(new PicturePrivate(*other.d)) {}
|
|
|
|
ASF::Picture::~Picture() {
|
|
delete d;
|
|
}
|
|
|
|
bool ASF::Picture::isValid() const {
|
|
return d->data->valid;
|
|
}
|
|
|
|
String ASF::Picture::mimeType() const {
|
|
return d->data->mimeType;
|
|
}
|
|
|
|
void ASF::Picture::setMimeType(const String& value) {
|
|
d->data->mimeType = value;
|
|
}
|
|
|
|
ASF::Picture::Type ASF::Picture::type() const {
|
|
return d->data->type;
|
|
}
|
|
|
|
void ASF::Picture::setType(const ASF::Picture::Type &t) {
|
|
d->data->type = t;
|
|
}
|
|
|
|
String ASF::Picture::description() const {
|
|
return d->data->description;
|
|
}
|
|
|
|
void ASF::Picture::setDescription(const String& desc) {
|
|
d->data->description = desc;
|
|
}
|
|
|
|
ByteVector ASF::Picture::picture() const {
|
|
return d->data->picture;
|
|
}
|
|
|
|
void ASF::Picture::setPicture(const ByteVector &p) {
|
|
d->data->picture = p;
|
|
}
|
|
|
|
int ASF::Picture::dataSize() const {
|
|
return 9 + (d->data->mimeType.length() + d->data->description.length()) * 2 + d->data->picture.size();
|
|
}
|
|
|
|
ASF::Picture& ASF::Picture::operator=(const ASF::Picture& other) {
|
|
Picture(other).swap(*this);
|
|
return *this;
|
|
}
|
|
|
|
void ASF::Picture::swap(Picture& other) {
|
|
using std::swap;
|
|
|
|
swap(d, other.d);
|
|
}
|
|
|
|
ByteVector ASF::Picture::render() const {
|
|
|
|
if (!isValid())
|
|
return ByteVector();
|
|
|
|
return ByteVector(static_cast<char>(d->data->type)) + ByteVector::fromUInt32LE(d->data->picture.size()) + renderString(d->data->mimeType) + renderString(d->data->description) + d->data->picture;
|
|
|
|
}
|
|
|
|
void ASF::Picture::parse(const ByteVector &bytes) {
|
|
|
|
d->data->valid = false;
|
|
if (bytes.size() < 9)
|
|
return;
|
|
size_t pos = 0;
|
|
d->data->type = static_cast<Type>(bytes[0]);
|
|
++pos;
|
|
const unsigned int dataLen = bytes.toUInt32LE(pos);
|
|
pos += 4;
|
|
|
|
const ByteVector nullStringTerminator(2, 0);
|
|
|
|
size_t endPos = bytes.find(nullStringTerminator, pos, 2);
|
|
if (endPos == ByteVector::npos())
|
|
return;
|
|
d->data->mimeType = String(bytes.mid(pos, endPos - pos), String::UTF16LE);
|
|
pos = endPos + 2;
|
|
|
|
endPos = bytes.find(nullStringTerminator, pos, 2);
|
|
if (endPos == ByteVector::npos())
|
|
return;
|
|
d->data->description = String(bytes.mid(pos, endPos - pos), String::UTF16LE);
|
|
pos = endPos + 2;
|
|
|
|
if (dataLen + pos != bytes.size())
|
|
return;
|
|
|
|
d->data->picture = bytes.mid(pos, dataLen);
|
|
d->data->valid = true;
|
|
|
|
}
|
|
|
|
ASF::Picture ASF::Picture::fromInvalid() {
|
|
|
|
Picture ret;
|
|
ret.d->data->valid = false;
|
|
return ret;
|
|
|
|
}
|