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Add plugin for AV1 Image File Format (AVIF)

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Daniel Novomeský
2020-12-13 22:23:27 +00:00
committed by Albert Astals Cid
parent a6ec69d276
commit 34a9ec1b06
15 changed files with 1093 additions and 0 deletions
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src/imageformats/avif_p.h Normal file
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/*
AV1 Image File Format (AVIF) support for QImage.
SPDX-FileCopyrightText: 2020 Daniel Novomesky <dnovomesky@gmail.com>
SPDX-License-Identifier: BSD-2-Clause
*/
#ifndef KIMG_AVIF_P_H
#define KIMG_AVIF_P_H
#include <QImage>
#include <QVariant>
#include <qimageiohandler.h>
#include <QImageIOPlugin>
#include <QByteArray>
#include <avif/avif.h>
class QAVIFHandler : public QImageIOHandler
{
public:
QAVIFHandler();
~QAVIFHandler();
bool canRead() const override;
bool read (QImage *image) override;
bool write (const QImage &image) override;
static bool canRead (QIODevice *device);
QVariant option (ImageOption option) const override;
void setOption (ImageOption option, const QVariant &value) override;
bool supportsOption (ImageOption option) const override;
int imageCount() const override;
int currentImageNumber() const override;
bool jumpToNextImage() override;
bool jumpToImage (int imageNumber) override;
int nextImageDelay() const override;
int loopCount() const override;
private:
bool ensureParsed() const;
bool ensureDecoder();
bool decode_one_frame();
enum ParseAvifState
{
ParseAvifError = -1,
ParseAvifNotParsed = 0,
ParseAvifSuccess = 1
};
ParseAvifState m_parseState;
int m_quality;
uint32_t m_container_width;
uint32_t m_container_height;
QByteArray m_rawData;
avifROData m_rawAvifData;
avifDecoder *m_decoder;
QImage m_current_image;
bool m_must_jump_to_next_image;
};
class QAVIFPlugin : public QImageIOPlugin
{
Q_OBJECT
Q_PLUGIN_METADATA (IID "org.qt-project.Qt.QImageIOHandlerFactoryInterface" FILE "avif.json")
public:
Capabilities capabilities (QIODevice *device, const QByteArray &format) const override;
QImageIOHandler *create (QIODevice *device, const QByteArray &format = QByteArray()) const override;
};
#endif // KIMG_AVIF_P_H