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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QFFMPEGFRAME_P_H
#define QFFMPEGFRAME_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qffmpeg_p.h"
#include "playbackengine/qffmpegcodec_p.h"
#include "QtCore/qsharedpointer.h"
#include "qpointer.h"
#include "qobject.h"
#include <optional>
QT_BEGIN_NAMESPACE
namespace QFFmpeg {
struct Frame
{
struct Data
{
Data(AVFrameUPtr f, const Codec &codec, qint64, const QObject *source)
: codec(codec), frame(std::move(f)), source(source)
{
Q_ASSERT(frame);
if (frame->pts != AV_NOPTS_VALUE)
pts = codec.toUs(frame->pts);
else
pts = codec.toUs(frame->best_effort_timestamp);
const auto &avgFrameRate = codec.stream()->avg_frame_rate;
duration = avgFrameRate.num
? (1000000 * avgFrameRate.den + avgFrameRate.num / 2) / avgFrameRate.num
: 0;
}
Data(const QString &text, qint64 pts, qint64 duration, const QObject *source)
: text(text), pts(pts), duration(duration), source(source)
{
}
QAtomicInt ref;
std::optional<Codec> codec;
AVFrameUPtr frame;
QString text;
qint64 pts = -1;
qint64 duration = -1;
QPointer<const QObject> source;
};
Frame() = default;
Frame(AVFrameUPtr f, const Codec &codec, qint64 pts, const QObject *source = nullptr)
: d(new Data(std::move(f), codec, pts, source))
{
}
Frame(const QString &text, qint64 pts, qint64 duration, const QObject *source = nullptr)
: d(new Data(text, pts, duration, source))
{
}
bool isValid() const { return !!d; }
AVFrame *avFrame() const { return data().frame.get(); }
AVFrameUPtr takeAVFrame() { return std::move(data().frame); }
const Codec *codec() const { return data().codec ? &data().codec.value() : nullptr; }
qint64 pts() const { return data().pts; }
qint64 duration() const { return data().duration; }
qint64 end() const { return data().pts + data().duration; }
QString text() const { return data().text; }
const QObject *source() const { return data().source; };
private:
Data &data() const
{
Q_ASSERT(d);
return *d;
}
private:
QExplicitlySharedDataPointer<Data> d;
};
} // namespace QFFmpeg
QT_END_NAMESPACE
Q_DECLARE_METATYPE(QFFmpeg::Frame);
#endif // QFFMPEGFRAME_P_H
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