82 lines
2.1 KiB
C++
82 lines
2.1 KiB
C++
/*
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* Strawberry Music Player
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* This file was part of Clementine.
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* Copyright 2012, David Sansome <me@davidsansome.com>
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* Copyright 2019-2025, 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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#ifndef MOODBARPIPELINE_H
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#define MOODBARPIPELINE_H
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#include <QObject>
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#include <QByteArray>
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#include <QString>
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#include <QUrl>
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#include <QSharedPointer>
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#include <glib.h>
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#include <glib-object.h>
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#include <gst/gst.h>
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#include "includes/scoped_ptr.h"
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class MoodbarBuilder;
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// Creates moodbar data for a single local music file.
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class MoodbarPipeline : public QObject {
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Q_OBJECT
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public:
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explicit MoodbarPipeline(const QUrl &url, QObject *parent = nullptr);
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~MoodbarPipeline() override;
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bool success() const { return success_; }
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const QByteArray &data() const { return data_; }
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Q_INVOKABLE void Start();
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Q_SIGNALS:
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void Finished(const bool success);
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private:
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GstElement *CreateElement(const QByteArray &factory_name);
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QByteArray ToGstUrl(const QUrl &url);
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void ReportError(GstMessage *msg);
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void Stop(const bool success);
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Q_INVOKABLE void Finish(const bool success);
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void Cleanup();
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static void NewPadCallback(GstElement *element, GstPad *pad, gpointer self);
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static GstBusSyncReply BusCallbackSync(GstBus *bus, GstMessage *message, gpointer self);
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private:
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QUrl url_;
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GstElement *pipeline_;
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GstElement *convert_element_;
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ScopedPtr<MoodbarBuilder> builder_;
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bool success_;
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bool running_;
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QByteArray data_;
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};
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using MoodbarPipelinePtr = QSharedPointer<MoodbarPipeline>;
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#endif // MOODBARPIPELINE_H
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