1 files changed, 87 insertions, 0 deletions
diff --git a/src/plugins/multimedia/ffmpeg/playbackengine/qffmpegdemuxer_p.h b/src/plugins/multimedia/ffmpeg/playbackengine/qffmpegdemuxer_p.h
new file mode 100644
index 000000000..b72056185
--- /dev/null
+++ b/src/plugins/multimedia/ffmpeg/playbackengine/qffmpegdemuxer_p.h
@@ -0,0 +1,87 @@
+// 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 QFFMPEGDEMUXER_P_H
+#define QFFMPEGDEMUXER_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 "playbackengine/qffmpegplaybackengineobject_p.h"
+#include "private/qplatformmediaplayer_p.h"
+#include "playbackengine/qffmpegpacket_p.h"
+#include "playbackengine/qffmpegpositionwithoffset_p.h"
+
+#include <unordered_map>
+
+QT_BEGIN_NAMESPACE
+
+namespace QFFmpeg {
+
+class Demuxer : public PlaybackEngineObject
+{
+    Q_OBJECT
+public:
+    Demuxer(AVFormatContext *context, const PositionWithOffset &posWithOffset,
+            const StreamIndexes &streamIndexes, int loops);
+
+    using RequestingSignal = void (Demuxer::*)(Packet);
+    static RequestingSignal signalByTrackType(QPlatformMediaPlayer::TrackType trackType);
+
+    void setLoops(int loopsCount);
+
+public slots:
+    void onPacketProcessed(Packet);
+
+signals:
+    void requestProcessAudioPacket(Packet);
+    void requestProcessVideoPacket(Packet);
+    void requestProcessSubtitlePacket(Packet);
+    void firstPacketFound(TimePoint tp, qint64 trackPos);
+    void packetsBuffered();
+
+private:
+    bool canDoNextStep() const override;
+
+    void doNextStep() override;
+
+    void ensureSeeked();
+
+private:
+    struct StreamData
+    {
+        QPlatformMediaPlayer::TrackType trackType = QPlatformMediaPlayer::TrackType::NTrackTypes;
+        qint64 bufferedDuration = 0;
+        qint64 bufferedSize = 0;
+
+        qint64 maxSentPacketsPos = 0;
+        qint64 maxProcessedPacketPos = 0;
+
+        bool isDataLimitReached = false;
+    };
+
+    void updateStreamDataLimitFlag(StreamData &streamData);
+
+private:
+    AVFormatContext *m_context = nullptr;
+    bool m_seeked = false;
+    bool m_firstPacketFound = false;
+    std::unordered_map<int, StreamData> m_streams;
+    PositionWithOffset m_posWithOffset;
+    qint64 m_maxPacketsEndPos = 0;
+    QAtomicInt m_loops = QMediaPlayer::Once;
+    bool m_buffered = false;
+};
+
+} // namespace QFFmpeg
+
+QT_END_NAMESPACE // QFFMPEGDEMUXER_P_H
+
+#endif