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https://github.com/taglib/taglib.git
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8d98ebf24b
Use of FileRef::file() is discouraged, but was necessary to access the properties. It was also not clear whether to access the properties via tag() or file(). With the property methods on FileRef, it should become the "simple usage" interface it was meant to be. As the destructor was the only virtual method on FileRef, it is now made non-virtual. Probably, it is not useful as a virtual base class.
121 lines
4.5 KiB
C++
121 lines
4.5 KiB
C++
/* Copyright (C) 2003 Scott Wheeler <wheeler@kde.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <iostream>
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#include <iomanip>
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#include <cstdio>
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#include "tpropertymap.h"
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#include "tstringlist.h"
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#include "tvariant.h"
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#include "fileref.h"
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#include "tag.h"
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using namespace std;
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int main(int argc, char *argv[])
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{
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for(int i = 1; i < argc; i++) {
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cout << "******************** \"" << argv[i] << "\" ********************" << endl;
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TagLib::FileRef f(argv[i]);
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if(!f.isNull() && f.tag()) {
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TagLib::Tag *tag = f.tag();
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cout << "-- TAG (basic) --" << endl;
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cout << "title - \"" << tag->title() << "\"" << endl;
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cout << "artist - \"" << tag->artist() << "\"" << endl;
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cout << "album - \"" << tag->album() << "\"" << endl;
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cout << "year - \"" << tag->year() << "\"" << endl;
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cout << "comment - \"" << tag->comment() << "\"" << endl;
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cout << "track - \"" << tag->track() << "\"" << endl;
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cout << "genre - \"" << tag->genre() << "\"" << endl;
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TagLib::PropertyMap tags = f.properties();
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unsigned int longest = 0;
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for(auto i = tags.cbegin(); i != tags.cend(); ++i) {
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if (i->first.size() > longest) {
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longest = i->first.size();
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}
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}
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cout << "-- TAG (properties) --" << endl;
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for(auto i = tags.cbegin(); i != tags.cend(); ++i) {
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for(auto j = i->second.begin(); j != i->second.end(); ++j) {
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cout << left << std::setfill(' ') << std::setw(longest) << i->first << " - " << '"' << *j << '"' << endl;
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}
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}
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TagLib::StringList names = f.complexPropertyKeys();
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for(const auto &name : names) {
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const auto& properties = f.complexProperties(name);
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for(const auto &property : properties) {
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cout << name << ":" << endl;
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for(const auto &[key, value] : property) {
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cout << " " << left << std::setfill(' ') << std::setw(11) << key << " - ";
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if(value.type() == TagLib::Variant::ByteVector) {
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cout << "(" << value.value<TagLib::ByteVector>().size() << " bytes)" << endl;
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/* The picture could be extracted using:
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ofstream picture;
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TagLib::String fn(argv[i]);
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int slashPos = fn.rfind('/');
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int dotPos = fn.rfind('.');
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if(slashPos >= 0 && dotPos > slashPos) {
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fn = fn.substr(slashPos + 1, dotPos - slashPos - 1);
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}
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fn += ".jpg";
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picture.open(fn.toCString(), ios_base::out | ios_base::binary);
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picture << value.value<TagLib::ByteVector>();
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picture.close();
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*/
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}
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else {
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cout << value << endl;
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}
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}
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}
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}
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}
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if(!f.isNull() && f.audioProperties()) {
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TagLib::AudioProperties *properties = f.audioProperties();
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int seconds = properties->lengthInSeconds() % 60;
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int minutes = (properties->lengthInSeconds() - seconds) / 60;
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cout << "-- AUDIO --" << endl;
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cout << "bitrate - " << properties->bitrate() << endl;
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cout << "sample rate - " << properties->sampleRate() << endl;
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cout << "channels - " << properties->channels() << endl;
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cout << "length - " << minutes << ":" << setfill('0') << setw(2) << seconds << endl;
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}
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}
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return 0;
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}
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