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2026-02-21 17:11:31 +09:00
commit 18b4338361
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--- a/project/fm_viewer/fav/AVThread.h
+++ b/project/fm_viewer/fav/AVThread.h
@@ -0,0 +1,145 @@
+/******************************************************************************
+    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 QTAV_AVTHREAD_H
+#define QTAV_AVTHREAD_H
+
+#include <QtCore/QRunnable>
+#include <QtCore/QScopedPointer>
+#include <QtCore/QThread>
+#include "PacketBuffer.h"
+//TODO: pause functions. AVOutput may be null, use AVThread's pause state
+
+namespace FAV {
+
+class AVDecoder;
+class AVThreadPrivate;
+class AVOutput;
+class AVClock;
+class Filter;
+class Statistics;
+class OutputSet;
+class AVThread : public QThread
+{
+    Q_OBJECT
+    DPTR_DECLARE_PRIVATE(AVThread)
+public:
+    explicit AVThread(QObject *parent = 0);
+    virtual ~AVThread();
+
+    int playerID;
+#if (FORCE_BREAK_EOF)
+    bool forceEnd;
+    bool aboutToEnd;    // 종료전 queue 를 비우고 있는 상태
+#endif
+
+#if (FIX_PLAYER_END_CLIP)
+    bool endStop;
+#endif//
+
+#if (PREVENT_OVER_DURATION_RENDER)
+    qreal duration;
+#endif
+    //used for changing some components when running
+    Q_DECL_DEPRECATED void lock();
+    Q_DECL_DEPRECATED void unlock();
+
+    void setClock(AVClock *clock);
+    AVClock* clock() const;
+
+    PacketBuffer* packetQueue() const;
+
+    void setDecoder(AVDecoder *decoder);
+    AVDecoder *decoder() const;
+
+    void setOutput(AVOutput *out); //Q_DECL_DEPRECATED
+    AVOutput* output() const; //Q_DECL_DEPRECATED
+
+    void setOutputSet(OutputSet *set);
+    OutputSet* outputSet() const;
+
+    void setDemuxEnded(bool ended);
+
+    bool isPaused() const;
+
+    bool waitForStarted(int msec = -1);
+
+    bool installFilter(Filter *filter, int index = 0x7FFFFFFF, bool lock = true);
+    bool uninstallFilter(Filter *filter, bool lock = true);
+    const QList<Filter *> &filters() const;
+
+    // TODO: resample, resize task etc.
+    void scheduleTask(QRunnable *task);
+    void requestSeek();
+    void scheduleFrameDrop(bool value = true);
+    qreal previousHistoryPts() const; //move to statistics?
+    qreal decodeFrameRate() const; //move to statistics?
+    void setDropFrameOnSeek(bool value);
+
+#if (FIX_PLAYER_END_CLIP)
+    void endStopBy();
+#endif
+
+#if (USE_DURATION_IN_THREAD)
+    double durationSec;         // 시간 확인해서 decode thread 종료 void AVDemuxThread::run() 에서 video 만 설정
+#endif
+public slots:
+    virtual void stop();
+    /*change pause state. the pause/continue action will do in the next loop*/
+    void pause(bool p); //processEvents when waiting?
+    void nextAndPause(); //process 1 frame and pause
+
+Q_SIGNALS:
+    void frameDelivered();
+    /*!
+     * \brief seekFinished
+     * \param timestamp the frame pts after seek
+     */
+#if (PLAY_SYNC_FIX2)
+    void seekFinished(qint64 timestamp,qint64 requested);
+#else // PLAY_SYNC_FIX2
+    void seekFinished(qint64 timestamp);
+#endif // PLAY_SYNC_FIX2
+    void eofDecoded();
+private Q_SLOTS:
+    void onStarted();
+    void onFinished();
+protected:
+    AVThread(AVThreadPrivate& d, QObject *parent = 0);
+    void resetState();
+    /*
+     * If the pause state is true setted by pause(true), then block the thread and wait for pause state changed, i.e. pause(false)
+     * and return true. Otherwise, return false immediatly.
+     */
+    // has timeout so that the pending tasks can be processed
+    bool tryPause(unsigned long timeout = 100);
+    bool processNextTask(); //in AVThread
+    // pts > 0: compare pts and clock when waiting
+    void waitAndCheck(ulong value, qreal pts);
+
+    DPTR_DECLARE(AVThread)
+private:
+    void setStatistics(Statistics* statistics);
+    friend class AVPlayer;
+};
+}
+
+#endif // QTAV_AVTHREAD_H