Code cleanup: remove old ffmpeg decoder

What's done:
- remove old decoder
- namespace PlaybackEngineInternal seems to be not needed, so
  it's removed
- some minor clean up with unique_ptr usage
- logic is not changed

Pick-to: 6.5
Change-Id: I5089c87ef4c424930bca96d5f2935bfd88c20f5f
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Lars Knoll <lars@knoll.priv.no>

1 files changed, 50 insertions, 0 deletions

diff --git a/src/plugins/multimedia/ffmpeg/playbackengine/qffmpegpacket_p.h b/src/plugins/multimedia/ffmpeg/playbackengine/qffmpegpacket_p.h
new file mode 100644
index 000000000..5e489b3cd
--- /dev/null
+++ b/src/plugins/multimedia/ffmpeg/playbackengine/qffmpegpacket_p.h
@@ -0,0 +1,50 @@
+// 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 QFFMPEGPACKET_P_H
+#define QFFMPEGPACKET_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 "QtCore/qsharedpointer.h"
+
+QT_BEGIN_NAMESPACE
+
+namespace QFFmpeg {
+
+struct Packet
+{
+    struct Data
+    {
+        Data(AVPacketUPtr p) : packet(std::move(p)) { }
+
+        QAtomicInt ref;
+        AVPacketUPtr packet;
+    };
+    Packet() = default;
+    Packet(AVPacketUPtr p) : d(new Data(std::move(p))) { }
+
+    bool isValid() const { return !!d; }
+    AVPacket *avPacket() const { return d->packet.get(); }
+
+private:
+    QExplicitlySharedDataPointer<Data> d;
+};
+
+} // namespace QFFmpeg
+
+QT_END_NAMESPACE
+
+Q_DECLARE_METATYPE(QFFmpeg::Packet)
+
+#endif // QFFMPEGPACKET_P_H