251 lines
7.3 KiB
C++
251 lines
7.3 KiB
C++
/*
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* Strawberry Music Player
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* Copyright 2019-2021, Jonas Kvinge <jonas@jkvinge.net>
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*
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* Strawberry is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Strawberry is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "config.h"
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#include <algorithm>
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#include <QObject>
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#include <QMimeDatabase>
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#include <QMimeType>
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#include <QPair>
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#include <QList>
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#include <QByteArray>
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#include <QString>
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#include <QChar>
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#include <QUrl>
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#include <QDateTime>
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#include <QNetworkReply>
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#include <QCryptographicHash>
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#include <QJsonValue>
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#include <QJsonObject>
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#include <QtDebug>
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#include "core/logging.h"
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#include "core/networkaccessmanager.h"
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#include "core/song.h"
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#include "core/timeconstants.h"
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#include "qobuzservice.h"
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#include "qobuzbaserequest.h"
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#include "qobuzstreamurlrequest.h"
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QobuzStreamURLRequest::QobuzStreamURLRequest(QobuzService *service, NetworkAccessManager *network, const QUrl &original_url, const int id, QObject *parent)
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: QobuzBaseRequest(service, network, parent),
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service_(service),
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reply_(nullptr),
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original_url_(original_url),
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id_(id),
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song_id_(original_url.path().toInt()),
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tries_(0),
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need_login_(false) {}
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QobuzStreamURLRequest::~QobuzStreamURLRequest() {
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if (reply_) {
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QObject::disconnect(reply_, nullptr, this, nullptr);
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if (reply_->isRunning()) reply_->abort();
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reply_->deleteLater();
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}
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}
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void QobuzStreamURLRequest::LoginComplete(const bool success, const QString &error) {
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if (!need_login_) return;
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need_login_ = false;
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if (!success) {
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emit StreamURLFinished(id_, original_url_, original_url_, Song::FileType_Stream, -1, -1, -1, error);
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return;
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}
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Process();
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}
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void QobuzStreamURLRequest::Process() {
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if (app_id().isEmpty() || app_secret().isEmpty()) {
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emit StreamURLFinished(id_, original_url_, original_url_, Song::FileType_Stream, -1, -1, -1, tr("Missing Qobuz app ID or secret."));
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return;
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}
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if (!authenticated()) {
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need_login_ = true;
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emit TryLogin();
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return;
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}
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GetStreamURL();
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}
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void QobuzStreamURLRequest::Cancel() {
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if (reply_ && reply_->isRunning()) {
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reply_->abort();
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}
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else {
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emit StreamURLFinished(id_, original_url_, original_url_, Song::FileType_Stream, -1, -1, -1, tr("Cancelled."));
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}
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}
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void QobuzStreamURLRequest::GetStreamURL() {
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++tries_;
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if (reply_) {
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QObject::disconnect(reply_, nullptr, this, nullptr);
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if (reply_->isRunning()) reply_->abort();
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reply_->deleteLater();
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}
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#if 0
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QByteArray appid = app_id().toUtf8();
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QByteArray secret_decoded = QByteArray::fromBase64(app_secret().toUtf8());
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QString secret;
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for (int x = 0, y = 0; x < secret_decoded.length(); ++x , ++y) {
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if (y == appid.length()) y = 0;
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secret.append(QChar(secret_decoded[x] ^ appid[y]));
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}
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#endif
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QString secret = app_secret();
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quint64 timestamp = QDateTime::currentDateTime().toSecsSinceEpoch();
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ParamList params_to_sign = ParamList() << Param("format_id", QString::number(format()))
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<< Param("track_id", QString::number(song_id_));
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std::sort(params_to_sign.begin(), params_to_sign.end());
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QString data_to_sign;
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data_to_sign += "trackgetFileUrl";
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for (const Param ¶m : params_to_sign) {
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data_to_sign += param.first + param.second;
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}
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data_to_sign += QString::number(timestamp);
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data_to_sign += secret.toUtf8();
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QByteArray const digest = QCryptographicHash::hash(data_to_sign.toUtf8(), QCryptographicHash::Md5);
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QString signature = QString::fromLatin1(digest.toHex()).rightJustified(32, '0').toLower();
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ParamList params = params_to_sign;
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params << Param("request_ts", QString::number(timestamp));
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params << Param("request_sig", signature);
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params << Param("user_auth_token", user_auth_token());
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std::sort(params.begin(), params.end());
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reply_ = CreateRequest(QString("track/getFileUrl"), params);
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QObject::connect(reply_, &QNetworkReply::finished, this, &QobuzStreamURLRequest::StreamURLReceived);
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}
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void QobuzStreamURLRequest::StreamURLReceived() {
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if (!reply_) return;
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QByteArray data = GetReplyData(reply_);
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QObject::disconnect(reply_, nullptr, this, nullptr);
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reply_->deleteLater();
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reply_ = nullptr;
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if (data.isEmpty()) {
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if (!authenticated() && login_sent() && tries_ <= 1) {
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need_login_ = true;
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return;
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}
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emit StreamURLFinished(id_, original_url_, original_url_, Song::FileType_Stream, -1, -1, -1, errors_.first());
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return;
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}
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QJsonObject json_obj = ExtractJsonObj(data);
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if (json_obj.isEmpty()) {
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emit StreamURLFinished(id_, original_url_, original_url_, Song::FileType_Stream, -1, -1, -1, errors_.first());
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return;
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}
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if (!json_obj.contains("track_id")) {
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Error("Invalid Json reply, stream url is missing track_id.", json_obj);
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emit StreamURLFinished(id_, original_url_, original_url_, Song::FileType_Stream, -1, -1, -1, errors_.first());
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return;
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}
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int track_id = json_obj["track_id"].toInt();
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if (track_id != song_id_) {
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Error("Incorrect track ID returned.", json_obj);
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emit StreamURLFinished(id_, original_url_, original_url_, Song::FileType_Stream, -1, -1, -1, errors_.first());
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return;
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}
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if (!json_obj.contains("mime_type") || !json_obj.contains("url")) {
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Error("Invalid Json reply, stream url is missing url or mime_type.", json_obj);
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emit StreamURLFinished(id_, original_url_, original_url_, Song::FileType_Stream, -1, -1, -1, errors_.first());
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return;
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}
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QUrl url(json_obj["url"].toString());
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QString mimetype = json_obj["mime_type"].toString();
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Song::FileType filetype(Song::FileType_Unknown);
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QMimeDatabase mimedb;
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QStringList suffixes = mimedb.mimeTypeForName(mimetype.toUtf8()).suffixes();
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for (const QString &suffix : suffixes) {
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filetype = Song::FiletypeByExtension(suffix);
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if (filetype != Song::FileType_Unknown) break;
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}
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if (filetype == Song::FileType_Unknown) {
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qLog(Debug) << "Qobuz: Unknown mimetype" << mimetype;
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filetype = Song::FileType_Stream;
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}
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if (!url.isValid()) {
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Error("Returned stream url is invalid.", json_obj);
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emit StreamURLFinished(id_, original_url_, original_url_, filetype, -1, -1, -1, errors_.first());
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return;
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}
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qint64 duration = -1;
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if (json_obj.contains("duration")) {
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duration = json_obj["duration"].toInt() * kNsecPerSec;
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}
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int samplerate = -1;
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if (json_obj.contains("sampling_rate")) {
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samplerate = static_cast<int>(json_obj["sampling_rate"].toDouble()) * 1000;
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}
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int bit_depth = -1;
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if (json_obj.contains("bit_depth")) {
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bit_depth = static_cast<int>(json_obj["bit_depth"].toDouble());
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}
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emit StreamURLFinished(id_, original_url_, url, filetype, samplerate, bit_depth, duration);
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}
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void QobuzStreamURLRequest::Error(const QString &error, const QVariant &debug) {
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if (!error.isEmpty()) {
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qLog(Error) << "Qobuz:" << error;
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errors_ << error;
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}
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if (debug.isValid()) qLog(Debug) << debug;
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}
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