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strawberry-audio-player-win.../ext/libstrawberry-tagreader/tagreadertagparser.cpp

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/* This file is part of Strawberry.
Copyright 2021-2024, Jonas Kvinge <jonas@jkvinge.net>
Strawberry 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 3 of the License, or
(at your option) any later version.
Strawberry 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 Strawberry. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "tagreadertagparser.h"
#include <string>
#include <memory>
#include <algorithm>
#include <vector>
#include <sys/stat.h>
#include <tagparser/mediafileinfo.h>
#include <tagparser/diagnostics.h>
#include <tagparser/progressfeedback.h>
#include <tagparser/tag.h>
#include <tagparser/abstracttrack.h>
#include <QtGlobal>
#include <QFile>
#include <QFileInfo>
#include <QByteArray>
#include <QString>
#include <QUrl>
#include <QDateTime>
#include <QtDebug>
#include "core/logging.h"
#include "core/messagehandler.h"
#include "utilities/timeconstants.h"
TagReaderTagParser::TagReaderTagParser() = default;
TagReaderTagParser::~TagReaderTagParser() = default;
bool TagReaderTagParser::IsMediaFile(const QString &filename) const {
qLog(Debug) << "Checking for valid file" << filename;
QFileInfo fileinfo(filename);
if (!fileinfo.exists() || fileinfo.suffix().compare(QLatin1String("bak"), Qt::CaseInsensitive) == 0) return false;
try {
TagParser::MediaFileInfo taginfo;
TagParser::Diagnostics diag;
TagParser::AbortableProgressFeedback progress;
taginfo.setPath(QFile::encodeName(filename).toStdString());
taginfo.open(true);
taginfo.parseContainerFormat(diag, progress);
if (progress.isAborted()) {
taginfo.close();
return false;
}
taginfo.parseTracks(diag, progress);
if (progress.isAborted()) {
taginfo.close();
return false;
}
for (const TagParser::DiagMessage &msg : diag) {
qLog(Debug) << QString::fromStdString(msg.message());
}
const auto tracks = taginfo.tracks();
for (TagParser::AbstractTrack *track : tracks) {
if (track->mediaType() == TagParser::MediaType::Audio) {
taginfo.close();
return true;
}
}
taginfo.close();
}
catch(...) {}
return false;
}
TagReaderBase::Result TagReaderTagParser::ReadFile(const QString &filename, spb::tagreader::SongMetadata *song) const {
qLog(Debug) << "Reading tags from" << filename;
const QFileInfo fileinfo(filename);
if (!fileinfo.exists() || fileinfo.suffix().compare(QLatin1String("bak"), Qt::CaseInsensitive) == 0) return Result::ErrorCode::FileParseError;
const QByteArray url(QUrl::fromLocalFile(filename).toEncoded());
const QByteArray basefilename = fileinfo.fileName().toUtf8();
song->set_basefilename(basefilename.constData(), basefilename.size());
song->set_url(url.constData(), url.size());
song->set_filesize(fileinfo.size());
song->set_mtime(fileinfo.lastModified().isValid() ? std::max(fileinfo.lastModified().toSecsSinceEpoch(), 0LL) : 0LL);
song->set_ctime(fileinfo.birthTime().isValid() ? std::max(fileinfo.birthTime().toSecsSinceEpoch(), 0LL) : fileinfo.lastModified().isValid() ? std::max(fileinfo.lastModified().toSecsSinceEpoch(), 0LL) : 0LL);
if (song->ctime() <= 0) {
song->set_ctime(song->mtime());
}
song->set_lastseen(QDateTime::currentDateTime().toSecsSinceEpoch());
try {
TagParser::MediaFileInfo taginfo;
TagParser::Diagnostics diag;
TagParser::AbortableProgressFeedback progress;
#ifdef Q_OS_WIN32
taginfo.setPath(filename.toStdWString().toStdString());
#else
taginfo.setPath(QFile::encodeName(filename).toStdString());
#endif
taginfo.open(true);
taginfo.parseContainerFormat(diag, progress);
if (progress.isAborted()) {
taginfo.close();
return Result::ErrorCode::FileParseError;
}
taginfo.parseTracks(diag, progress);
if (progress.isAborted()) {
taginfo.close();
return Result::ErrorCode::FileParseError;
}
taginfo.parseTags(diag, progress);
if (progress.isAborted()) {
taginfo.close();
return Result::ErrorCode::FileParseError;
}
for (const TagParser::DiagMessage &msg : diag) {
qLog(Debug) << QString::fromStdString(msg.message());
}
std::vector<TagParser::AbstractTrack*> tracks = taginfo.tracks();
for (TagParser::AbstractTrack *track : tracks) {
switch (track->format().general) {
case TagParser::GeneralMediaFormat::Flac:
song->set_filetype(spb::tagreader::SongMetadata_FileType::SongMetadata_FileType_FLAC);
break;
case TagParser::GeneralMediaFormat::WavPack:
song->set_filetype(spb::tagreader::SongMetadata_FileType::SongMetadata_FileType_WAVPACK);
break;
case TagParser::GeneralMediaFormat::MonkeysAudio:
song->set_filetype(spb::tagreader::SongMetadata_FileType::SongMetadata_FileType_APE);
break;
case TagParser::GeneralMediaFormat::WindowsMediaAudio:
song->set_filetype(spb::tagreader::SongMetadata_FileType::SongMetadata_FileType_ASF);
break;
case TagParser::GeneralMediaFormat::Vorbis:
song->set_filetype(spb::tagreader::SongMetadata_FileType::SongMetadata_FileType_OGGVORBIS);
break;
case TagParser::GeneralMediaFormat::Opus:
song->set_filetype(spb::tagreader::SongMetadata_FileType::SongMetadata_FileType_OGGOPUS);
break;
case TagParser::GeneralMediaFormat::Speex:
song->set_filetype(spb::tagreader::SongMetadata_FileType::SongMetadata_FileType_OGGSPEEX);
break;
case TagParser::GeneralMediaFormat::Mpeg1Audio:
switch (track->format().sub) {
case TagParser::SubFormats::Mpeg1Layer3:
song->set_filetype(spb::tagreader::SongMetadata_FileType::SongMetadata_FileType_MPEG);
break;
case TagParser::SubFormats::None:
default:
break;
}
break;
case TagParser::GeneralMediaFormat::Mpc:
song->set_filetype(spb::tagreader::SongMetadata_FileType::SongMetadata_FileType_MPC);
break;
case TagParser::GeneralMediaFormat::Pcm:
song->set_filetype(spb::tagreader::SongMetadata_FileType::SongMetadata_FileType_PCM);
break;
case TagParser::GeneralMediaFormat::Unknown:
default:
break;
}
song->set_length_nanosec(track->duration().totalMilliseconds() * kNsecPerMsec);
song->set_samplerate(track->samplingFrequency());
song->set_bitdepth(track->bitsPerSample());
song->set_bitrate(std::max(track->bitrate(), track->maxBitrate()));
}
if (song->filetype() == spb::tagreader::SongMetadata_FileType::SongMetadata_FileType_UNKNOWN) {
taginfo.close();
return Result::ErrorCode::Unsupported;
}
for (TagParser::Tag *tag : taginfo.tags()) {
song->set_albumartist(tag->value(TagParser::KnownField::AlbumArtist).toString(TagParser::TagTextEncoding::Utf8));
song->set_artist(tag->value(TagParser::KnownField::Artist).toString(TagParser::TagTextEncoding::Utf8));
song->set_album(tag->value(TagParser::KnownField::Album).toString(TagParser::TagTextEncoding::Utf8));
song->set_title(tag->value(TagParser::KnownField::Title).toString(TagParser::TagTextEncoding::Utf8));
song->set_genre(tag->value(TagParser::KnownField::Genre).toString(TagParser::TagTextEncoding::Utf8));
song->set_composer(tag->value(TagParser::KnownField::Composer).toString(TagParser::TagTextEncoding::Utf8));
song->set_performer(tag->value(TagParser::KnownField::Performers).toString(TagParser::TagTextEncoding::Utf8));
song->set_grouping(tag->value(TagParser::KnownField::Grouping).toString(TagParser::TagTextEncoding::Utf8));
song->set_comment(tag->value(TagParser::KnownField::Comment).toString(TagParser::TagTextEncoding::Utf8));
song->set_lyrics(tag->value(TagParser::KnownField::Lyrics).toString(TagParser::TagTextEncoding::Utf8));
song->set_year(tag->value(TagParser::KnownField::RecordDate).toInteger());
song->set_originalyear(tag->value(TagParser::KnownField::ReleaseDate).toInteger());
song->set_track(tag->value(TagParser::KnownField::TrackPosition).toInteger());
song->set_disc(tag->value(TagParser::KnownField::DiskPosition).toInteger());
if (!tag->value(TagParser::KnownField::Cover).empty() && tag->value(TagParser::KnownField::Cover).dataSize() > 0) {
song->set_art_embedded(true);
}
const float rating = ConvertPOPMRating(tag->value(TagParser::KnownField::Rating));
if (song->rating() <= 0 && rating > 0.0 && rating <= 1.0) {
song->set_rating(rating);
}
}
// Set integer fields to -1 if they're not valid
if (song->track() <= 0) { song->set_track(-1); }
if (song->disc() <= 0) { song->set_disc(-1); }
if (song->year() <= 0) { song->set_year(-1); }
if (song->originalyear() <= 0) { song->set_originalyear(-1); }
if (song->samplerate() <= 0) { song->set_samplerate(-1); }
if (song->bitdepth() <= 0) { song->set_bitdepth(-1); }
if (song->bitrate() <= 0) { song->set_bitrate(-1); }
if (song->lastplayed() <= 0) { song->set_lastplayed(-1); }
song->set_valid(true);
taginfo.close();
return Result::ErrorCode::Success;
}
catch(...) {
return Result::ErrorCode::FileParseError;
}
}
TagReaderBase::Result TagReaderTagParser::WriteFile(const QString &filename, const spb::tagreader::WriteFileRequest &request) const {
if (request.filename().empty()) return Result::ErrorCode::FilenameMissing;
const spb::tagreader::SongMetadata &song = request.metadata();
const bool save_tags = request.has_save_tags() && request.save_tags();
const bool save_playcount = request.has_save_playcount() && request.save_playcount();
const bool save_rating = request.has_save_rating() && request.save_rating();
const bool save_cover = request.has_save_cover() && request.save_cover();
QStringList save_tags_options;
if (save_tags) {
save_tags_options << QStringLiteral("tags");
}
if (save_playcount) {
save_tags_options << QStringLiteral("playcount");
}
if (save_rating) {
save_tags_options << QStringLiteral("rating");
}
if (save_cover) {
save_tags_options << QStringLiteral("embedded cover");
}
qLog(Debug) << "Saving" << save_tags_options.join(QLatin1String(", ")) << "to" << filename;
const Cover cover = LoadCoverFromRequest(filename, request);
try {
TagParser::MediaFileInfo taginfo;
TagParser::Diagnostics diag;
TagParser::AbortableProgressFeedback progress;
#ifdef Q_OS_WIN32
taginfo.setPath(filename.toStdWString().toStdString());
#else
taginfo.setPath(QFile::encodeName(filename).toStdString());
#endif
taginfo.open(false);
taginfo.parseContainerFormat(diag, progress);
if (progress.isAborted()) {
taginfo.close();
return Result::ErrorCode::FileParseError;
}
taginfo.parseTracks(diag, progress);
if (progress.isAborted()) {
taginfo.close();
return Result::ErrorCode::FileParseError;
}
taginfo.parseTags(diag, progress);
if (progress.isAborted()) {
taginfo.close();
return Result::ErrorCode::FileParseError;
}
if (taginfo.tags().size() <= 0) {
taginfo.createAppropriateTags();
}
for (TagParser::Tag *tag : taginfo.tags()) {
if (save_tags) {
tag->setValue(TagParser::KnownField::AlbumArtist, TagParser::TagValue(song.albumartist(), TagParser::TagTextEncoding::Utf8, tag->proposedTextEncoding()));
tag->setValue(TagParser::KnownField::Artist, TagParser::TagValue(song.artist(), TagParser::TagTextEncoding::Utf8, tag->proposedTextEncoding()));
tag->setValue(TagParser::KnownField::Album, TagParser::TagValue(song.album(), TagParser::TagTextEncoding::Utf8, tag->proposedTextEncoding()));
tag->setValue(TagParser::KnownField::Title, TagParser::TagValue(song.title(), TagParser::TagTextEncoding::Utf8, tag->proposedTextEncoding()));
tag->setValue(TagParser::KnownField::Genre, TagParser::TagValue(song.genre(), TagParser::TagTextEncoding::Utf8, tag->proposedTextEncoding()));
tag->setValue(TagParser::KnownField::Composer, TagParser::TagValue(song.composer(), TagParser::TagTextEncoding::Utf8, tag->proposedTextEncoding()));
tag->setValue(TagParser::KnownField::Performers, TagParser::TagValue(song.performer(), TagParser::TagTextEncoding::Utf8, tag->proposedTextEncoding()));
tag->setValue(TagParser::KnownField::Grouping, TagParser::TagValue(song.grouping(), TagParser::TagTextEncoding::Utf8, tag->proposedTextEncoding()));
tag->setValue(TagParser::KnownField::Comment, TagParser::TagValue(song.comment(), TagParser::TagTextEncoding::Utf8, tag->proposedTextEncoding()));
tag->setValue(TagParser::KnownField::Lyrics, TagParser::TagValue(song.lyrics(), TagParser::TagTextEncoding::Utf8, tag->proposedTextEncoding()));
tag->setValue(TagParser::KnownField::TrackPosition, TagParser::TagValue(song.track()));
tag->setValue(TagParser::KnownField::DiskPosition, TagParser::TagValue(song.disc()));
tag->setValue(TagParser::KnownField::RecordDate, TagParser::TagValue(song.year()));
tag->setValue(TagParser::KnownField::ReleaseDate, TagParser::TagValue(song.originalyear()));
}
if (save_playcount) {
SaveSongPlaycountToFile(tag, song.playcount());
}
if (save_rating) {
SaveSongRatingToFile(tag, song.rating());
}
if (save_cover) {
SaveEmbeddedArt(tag, cover.data);
}
}
taginfo.applyChanges(diag, progress);
taginfo.close();
for (const TagParser::DiagMessage &msg : diag) {
qLog(Debug) << QString::fromStdString(msg.message());
}
return Result::ErrorCode::Success;
}
catch(...) {}
return Result::ErrorCode::FileParseError;
}
TagReaderBase::Result TagReaderTagParser::LoadEmbeddedArt(const QString &filename, QByteArray &data) const {
if (filename.isEmpty()) return Result::ErrorCode::FilenameMissing;
qLog(Debug) << "Loading art from" << filename;
try {
TagParser::MediaFileInfo taginfo;
TagParser::Diagnostics diag;
TagParser::AbortableProgressFeedback progress;
#ifdef Q_OS_WIN32
taginfo.setPath(filename.toStdWString().toStdString());
#else
taginfo.setPath(QFile::encodeName(filename).toStdString());
#endif
taginfo.open();
taginfo.parseContainerFormat(diag, progress);
if (progress.isAborted()) {
taginfo.close();
return Result::ErrorCode::FileParseError;
}
taginfo.parseTags(diag, progress);
if (progress.isAborted()) {
taginfo.close();
return Result::ErrorCode::FileParseError;
}
for (TagParser::Tag *tag : taginfo.tags()) {
if (!tag->value(TagParser::KnownField::Cover).empty() && tag->value(TagParser::KnownField::Cover).dataSize() > 0) {
data = QByteArray(tag->value(TagParser::KnownField::Cover).dataPointer(), tag->value(TagParser::KnownField::Cover).dataSize());
taginfo.close();
return Result::ErrorCode::Success;
}
}
taginfo.close();
for (const TagParser::DiagMessage &msg : diag) {
qLog(Debug) << QString::fromStdString(msg.message());
}
}
catch(...) {}
return Result::ErrorCode::FileParseError;
}
void TagReaderTagParser::SaveEmbeddedArt(TagParser::Tag *tag, const QByteArray &data) const {
tag->setValue(TagParser::KnownField::Cover, TagParser::TagValue(data.toStdString()));
}
TagReaderBase::Result TagReaderTagParser::SaveEmbeddedArt(const QString &filename, const spb::tagreader::SaveEmbeddedArtRequest &request) const {
if (request.filename().empty()) return Result::ErrorCode::FilenameMissing;
qLog(Debug) << "Saving art to" << filename;
const Cover cover = LoadCoverFromRequest(filename, request);
try {
TagParser::MediaFileInfo taginfo;
TagParser::Diagnostics diag;
TagParser::AbortableProgressFeedback progress;
#ifdef Q_OS_WIN32
taginfo.setPath(filename.toStdWString().toStdString());
#else
taginfo.setPath(QFile::encodeName(filename).toStdString());
#endif
taginfo.open();
taginfo.parseContainerFormat(diag, progress);
if (progress.isAborted()) {
taginfo.close();
return Result::ErrorCode::FileParseError;
}
taginfo.parseTags(diag, progress);
if (progress.isAborted()) {
taginfo.close();
return Result::ErrorCode::FileParseError;
}
if (taginfo.tags().size() <= 0) {
taginfo.createAppropriateTags();
}
for (TagParser::Tag *tag : taginfo.tags()) {
SaveEmbeddedArt(tag, cover.data);
}
taginfo.applyChanges(diag, progress);
taginfo.close();
for (const TagParser::DiagMessage &msg : diag) {
qLog(Debug) << QString::fromStdString(msg.message());
}
return Result::ErrorCode::Success;
}
catch(...) {}
return Result::ErrorCode::FileParseError;
}
void TagReaderTagParser::SaveSongPlaycountToFile(TagParser::Tag *tag, const uint playcount) const {
Q_UNUSED(tag);
Q_UNUSED(playcount);
}
TagReaderBase::Result TagReaderTagParser::SaveSongPlaycountToFile(const QString &filename, const uint playcount) const {
Q_UNUSED(filename);
Q_UNUSED(playcount);
return Result::ErrorCode::Unsupported;
}
void TagReaderTagParser::SaveSongRatingToFile(TagParser::Tag *tag, const float rating) const {
tag->setValue(TagParser::KnownField::Rating, TagParser::TagValue(ConvertToPOPMRating(rating)));
}
TagReaderBase::Result TagReaderTagParser::SaveSongRatingToFile(const QString &filename, const float rating) const {
if (filename.isEmpty()) return Result::ErrorCode::FilenameMissing;
qLog(Debug) << "Saving song rating to" << filename;
try {
TagParser::MediaFileInfo taginfo;
TagParser::Diagnostics diag;
TagParser::AbortableProgressFeedback progress;
#ifdef Q_OS_WIN32
taginfo.setPath(filename.toStdWString().toStdString());
#else
taginfo.setPath(QFile::encodeName(filename).toStdString());
#endif
taginfo.open(false);
taginfo.parseContainerFormat(diag, progress);
if (progress.isAborted()) {
taginfo.close();
return Result::ErrorCode::FileParseError;
}
taginfo.parseTracks(diag, progress);
if (progress.isAborted()) {
taginfo.close();
return Result::ErrorCode::FileParseError;
}
taginfo.parseTags(diag, progress);
if (progress.isAborted()) {
taginfo.close();
return Result::ErrorCode::FileParseError;
}
if (taginfo.tags().size() <= 0) {
taginfo.createAppropriateTags();
}
for (TagParser::Tag *tag : taginfo.tags()) {
SaveSongRatingToFile(tag, rating);
}
taginfo.applyChanges(diag, progress);
taginfo.close();
for (const TagParser::DiagMessage &msg : diag) {
qLog(Debug) << QString::fromStdString(msg.message());
}
return Result::ErrorCode::Success;
}
catch(...) {}
return Result::ErrorCode::FileParseError;
}
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