1 files changed, 98 insertions, 0 deletions
diff --git a/src/plugins/multimedia/ffmpeg/playbackengine/qffmpegframe_p.h b/src/plugins/multimedia/ffmpeg/playbackengine/qffmpegframe_p.h
new file mode 100644
index 000000000..bccb13ebe
--- /dev/null
+++ b/src/plugins/multimedia/ffmpeg/playbackengine/qffmpegframe_p.h
@@ -0,0 +1,98 @@
+// 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