You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

102 lines
2.6 KiB

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