first commit

2026-02-21 17:11:31 +09:00
commit 18b4338361
4001 changed files with 365464 additions and 0 deletions
--- a/project/fm_viewer/fav/Packet.h
+++ b/project/fm_viewer/fav/Packet.h
@@ -0,0 +1,95 @@
+/******************************************************************************
+    QtAV:  Multimedia framework based on Qt and FFmpeg
+    Copyright (C) 2012-2016 Wang Bin <wbsecg1@gmail.com>
+
+*   This file is part of QtAV
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+******************************************************************************/
+
+#ifndef QAV_PACKET_H
+#define QAV_PACKET_H
+
+#include <QtCore/QSharedData>
+#include "_fav_constants.h"
+
+struct AVPacket;
+
+namespace FAV {
+
+class PacketPrivate;
+class Q_AV_EXPORT Packet
+{
+public:
+    static Packet fromAVPacket(const AVPacket* avpkt, double time_base);
+    static bool fromAVPacket(Packet *pkt, const AVPacket *avpkt, double time_base);
+    static Packet createEOF();
+    Packet();
+    ~Packet();
+
+    // required if no defination of PacketPrivate
+    Packet(const Packet& other);
+    Packet& operator =(const Packet& other);
+
+    bool isEOF()const;
+    inline bool isValid() const;
+    /*!
+     * \brief asAVPacket
+     * If Packet is constructed from AVPacket, then data and properties are the same as that AVPacket.
+     * Otherwise, Packet's data and properties are used and no side data.
+     * Packet takes the owner ship. time unit is always ms even constructed from AVPacket.
+     */
+    const AVPacket* asAVPacket() const;
+    /*!
+     * \brief skip
+     * Skip bytes of packet data. User has to update pts, dts etc to new values.
+     * Useful for asAVPakcet(). When asAVPakcet() is called, AVPacket->pts/dts will be updated to new values.
+     */
+    void skip(int bytes);
+
+    bool hasKeyFrame;
+    bool isCorrupt;
+    QByteArray data;
+    // time unit is s.
+    qreal pts, duration;
+    qreal dts;
+    qint64 position; // position in source file byte stream
+#if (PLAY_SYNC_FIX2)
+    bool _isSeek;
+    inline bool isSeek() const;
+#endif // PLAY_SYNC_FIX2
+private:
+    // we must define  default/copy ctor, dtor and operator= so that we can provide only forward declaration of PacketPrivate
+    mutable QSharedDataPointer<PacketPrivate> d;
+};
+
+#if (PLAY_SYNC_FIX2)
+bool Packet::isSeek() const
+{
+    return _isSeek;
+}
+#endif // #if (PLAY_SYNC_FIX2)
+
+bool Packet::isValid() const
+{
+    return !isCorrupt && !data.isEmpty() && pts >= 0 && duration >= 0; //!data.isEmpty()?
+}
+
+#ifndef QT_NO_DEBUG_STREAM
+Q_AV_EXPORT QDebug operator<<(QDebug debug, const Packet &pkt);
+#endif
+} //namespace FAV
+Q_DECLARE_METATYPE(FAV::Packet)
+#endif // QAV_PACKET_H