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102 lines
2.6 KiB
102 lines
2.6 KiB
/*****************************************************************************
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* Copyright (C) 2024 VLC authors and VideoLAN
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*
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* This program 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 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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 this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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#ifndef VLCACCESSIMAGEPROVIDER_HPP
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#define VLCACCESSIMAGEPROVIDER_HPP
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#include <QObject>
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#include <QQuickAsyncImageProvider>
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#include <QString>
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#include <QIODevice>
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typedef struct stream_t stream_t;
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/**
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* VLCIODevice is a QIODevice based on vlc_access
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*/
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class VLCIODevice : public QIODevice
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{
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public:
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VLCIODevice(const QString &filename, QObject *parent = nullptr);
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virtual ~VLCIODevice();
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public:
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bool open(QIODevice::OpenMode mode) override;
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bool isSequential() const override;
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void close() override;
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qint64 pos() const override;
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qint64 size() const override;
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bool seek(qint64 pos) override;
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bool atEnd() const override;
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bool reset() override;
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protected:
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qint64 readData(char *data, qint64 maxlen) override;
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qint64 writeData(const char*, qint64) override;
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private:
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QString m_filename;
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stream_t* m_stream = nullptr;
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};
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class VLCAccessImageProvider: public QQuickAsyncImageProvider
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{
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public:
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typedef std::function<QImage (QImage&, const QSize &)> ImagePostProcessCb;
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VLCAccessImageProvider(ImagePostProcessCb cb = nullptr);
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QQuickImageResponse* requestImageResponse(const QString &id, const QSize &requestedSize) override;
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static QString wrapUri(QString path);
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private:
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ImagePostProcessCb postProcessCb;
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};
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class VLCAccessImage : public QObject {
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Q_OBJECT
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public:
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VLCAccessImage(QObject* parent = nullptr);
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/**
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* @brief adapt @path to open it using
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* @param path to the artwork
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*
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* sample usage:
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*
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* @code{qml}
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* Image {
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* src: VLCImageAccess.uri("file:///path/to/assert.svg")
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* }
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* @code
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*
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*/
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Q_INVOKABLE QString uri(QString path);
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};
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#endif // VLCACCESSIMAGEPROVIDER_HPP
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