88 lines
2.7 KiB
C++
88 lines
2.7 KiB
C++
/*
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* Strawberry Music Player
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* This file was part of Clementine.
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* Copyright 2010, David Sansome <me@davidsansome.com>
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* Copyright 2017-2018, 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 VLCENGINE_H
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#define VLCENGINE_H
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#include "config.h"
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#include <optional>
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#include <vlc/vlc.h>
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#include <QtGlobal>
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#include <QObject>
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#include <QString>
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#include <QUrl>
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#include "enginebase.h"
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struct libvlc_event_t;
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class TaskManager;
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class VLCEngine : public EngineBase {
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Q_OBJECT
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public:
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explicit VLCEngine(TaskManager *task_manager, QObject *parent = nullptr);
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~VLCEngine() override;
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Type type() const override { return Type::VLC; }
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bool Init() override;
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EngineBase::State state() const override { return state_; }
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bool Load(const QUrl &media_url, const QUrl &stream_url, const EngineBase::TrackChangeFlags change, const bool force_stop_at_end, const quint64 beginning_nanosec, const qint64 end_nanosec, const std::optional<double> ebur128_integrated_loudness_lufs) override;
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bool Play(const quint64 offset_nanosec) override;
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void Stop(const bool stop_after = false) override;
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void Pause() override;
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void Unpause() override;
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void Seek(const quint64 offset_nanosec) override;
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protected:
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void SetVolumeSW(const uint percent) override;
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public:
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qint64 position_nanosec() const override;
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qint64 length_nanosec() const override;
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OutputDetailsList GetOutputsList() const override;
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bool ValidOutput(const QString &output) override;
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QString DefaultOutput() override { return ""; }
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bool CustomDeviceSupport(const QString &output) override;
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bool ALSADeviceSupport(const QString &output) override;
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private:
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libvlc_instance_t *instance_;
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libvlc_media_player_t *player_;
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State state_;
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bool Initialized() const { return (instance_ && player_); }
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uint position() const;
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uint length() const;
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static bool CanDecode(const QUrl &url);
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void AttachCallback(libvlc_event_manager_t *em, libvlc_event_type_t type, libvlc_callback_t callback);
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static void StateChangedCallback(const libvlc_event_t *e, void *data);
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void GetDevicesList(const QString &output) const;
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};
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#endif // VLCENGINE_H
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