rainmeter-studio/Plugins/PluginNowPlaying/Cover.cpp
2012-02-20 19:10:40 +00:00

261 lines
6.1 KiB
C++

/*
Copyright (C) 2011 Birunthan Mohanathas (www.poiru.net)
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "StdAfx.h"
#include "Cover.h"
/*
** Checks if cover art is in cache.
**
*/
bool CCover::GetCached(std::wstring& path)
{
path += L".art";
return (_waccess(path.c_str(), 0) == 0) ? true : false;
}
/*
** Attemps to find local cover art in various formats.
**
*/
bool CCover::GetLocal(std::wstring filename, const std::wstring& folder, std::wstring& target)
{
std::wstring testPath = folder + filename;
testPath += L".";
std::wstring::size_type origLen = testPath.length();
const int extCount = 4;
LPCTSTR extName[extCount] = { L"jpg", L"jpeg", L"png", L"bmp" };
for (int i = 0; i < extCount; ++i)
{
testPath += extName[i];
if (_waccess(testPath.c_str(), 0) == 0)
{
target = testPath;
return true;
}
else
{
// Get rid of the added extension
testPath.resize(origLen);
}
}
return false;
}
/*
** Attempts to extract cover art from audio files.
**
*/
bool CCover::GetEmbedded(const TagLib::FileRef& fr, const std::wstring& target)
{
bool found = false;
if (TagLib::MPEG::File* file = dynamic_cast<TagLib::MPEG::File*>(fr.file()))
{
if (file->ID3v2Tag())
{
found = ExtractID3(file->ID3v2Tag(), target);
}
if (!found && file->APETag())
{
found = ExtractAPE(file->APETag(), target);
}
}
else if (TagLib::MP4::File* file = dynamic_cast<TagLib::MP4::File*>(fr.file()))
{
if (file->tag())
{
found = ExtractMP4(file, target);
}
}
else if (TagLib::FLAC::File* file = dynamic_cast<TagLib::FLAC::File*>(fr.file()))
{
found = ExtractFLAC(file, target);
if (!found && file->ID3v2Tag())
{
found = ExtractID3(file->ID3v2Tag(), target);
}
}
else if (TagLib::ASF::File* file = dynamic_cast<TagLib::ASF::File*>(fr.file()))
{
found = ExtractASF(file, target);
}
else if (TagLib::APE::File* file = dynamic_cast<TagLib::APE::File*>(fr.file()))
{
if (file->APETag())
{
found = ExtractAPE(file->APETag(), target);
}
}
else if (TagLib::MPC::File* file = dynamic_cast<TagLib::MPC::File*>(fr.file()))
{
if (file->APETag())
{
found = ExtractAPE(file->APETag(), target);
}
}
else if (TagLib::WavPack::File* file = dynamic_cast<TagLib::WavPack::File*>(fr.file()))
{
if (file->APETag())
{
found = ExtractAPE(file->APETag(), target);
}
}
return found;
}
/*
** Returns path without filename.
**
*/
std::wstring CCover::GetFileFolder(const std::wstring& file)
{
std::wstring::size_type pos = file.find_last_of(L'\\');
if (pos != std::wstring::npos)
{
return file.substr(0, ++pos);
}
return file;
}
/*
** Extracts cover art embedded in APE tags.
**
*/
bool CCover::ExtractAPE(TagLib::APE::Tag* tag, const std::wstring& target)
{
const TagLib::APE::ItemListMap& listMap = tag->itemListMap();
if (listMap.contains("COVER ART (FRONT)"))
{
const TagLib::ByteVector nullStringTerminator(1, 0);
TagLib::ByteVector item = listMap["COVER ART (FRONT)"].value();
int pos = item.find(nullStringTerminator); // Skip the filename
if (++pos > 0)
{
const TagLib::ByteVector& pic = item.mid(pos);
return WriteCover(pic, target);
}
}
return false;
}
/*
** Extracts cover art embedded in ID3v2 tags.
**
*/
bool CCover::ExtractID3(TagLib::ID3v2::Tag* tag, const std::wstring& target)
{
const TagLib::ID3v2::FrameList& frameList = tag->frameList("APIC");
if (!frameList.isEmpty())
{
// Grab the first image
TagLib::ID3v2::AttachedPictureFrame* frame = static_cast<TagLib::ID3v2::AttachedPictureFrame*>(frameList.front());
return WriteCover(frame->picture(), target);
}
return false;
}
/*
** Extracts cover art embedded in ASF/WMA files.
**
*/
bool CCover::ExtractASF(TagLib::ASF::File* file, const std::wstring& target)
{
const TagLib::ASF::AttributeListMap& attrListMap = file->tag()->attributeListMap();
if (attrListMap.contains("WM/Picture"))
{
const TagLib::ASF::AttributeList& attrList = attrListMap["WM/Picture"];
if (!attrList.isEmpty())
{
// Let's grab the first cover. TODO: Check/loop for correct type
TagLib::ASF::Picture wmpic = attrList[0].toPicture();
if (wmpic.isValid())
{
return WriteCover(wmpic.picture(), target);
}
}
}
return false;
}
/*
** Extracts cover art embedded in FLAC files.
**
*/
bool CCover::ExtractFLAC(TagLib::FLAC::File* file, const std::wstring& target)
{
const TagLib::List<TagLib::FLAC::Picture*>& picList = file->pictureList();
if (!picList.isEmpty())
{
// Let's grab the first image
TagLib::FLAC::Picture* pic = picList[0];
return WriteCover(pic->data(), target);
}
return false;
}
/*
** Extracts cover art embedded in MP4-like files.
**
*/
bool CCover::ExtractMP4(TagLib::MP4::File* file, const std::wstring& target)
{
TagLib::MP4::Tag* tag = file->tag();
if (tag->itemListMap().contains("covr"))
{
TagLib::MP4::CoverArtList coverList = tag->itemListMap()["covr"].toCoverArtList();
if (coverList[0].data().size() > 0)
{
return WriteCover(coverList[0].data(), target);
}
}
return false;
}
/*
** Write cover data to file.
**
*/
bool CCover::WriteCover(const TagLib::ByteVector& data, const std::wstring& target)
{
bool written = false;
FILE* f = _wfopen(target.c_str(), L"wb");
if (f)
{
written = (fwrite(data.data(), 1, data.size(), f) == data.size());
fclose(f);
}
return written;
}