avi_surface.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
 
#ifndef TITANIC_AVI_SURFACE_H
#define TITANIC_AVI_SURFACE_H
 
#include "common/stream.h"
#include "video/avi_decoder.h"
#include "graphics/managed_surface.h"
#include "titanic/core/resource_key.h"
#include "titanic/support/movie_range_info.h"
 
namespace Titanic {
 
class CSoundManager;
class CVideoSurface;
 
enum MovieFlag {
    MOVIE_REPEAT = 1,               // Repeat movie
    MOVIE_STOP_PREVIOUS = 2,        // Stop any prior movie playing on the object
    MOVIE_NOTIFY_OBJECT = 4,        // Notify the object when the movie finishes
    MOVIE_REVERSE = 8,              // Play the movie in reverse
    MOVIE_WAIT_FOR_FINISH = 0x10    // Let finish before playing next movie for object
};
 
class y222 : virtual public Common::SeekableReadStream {
private:
    File *_innerStream;
public:
    y222();
    ~y222() override;
 
    uint32 read(void *dataPtr, uint32 dataSize) override;
    bool eos() const override { return _innerStream->eos(); }
    int64 pos() const override { return _innerStream->pos(); }
    int64 size() const override { return _innerStream->size(); }
    bool seek(int64 offset, int whence = SEEK_SET) override {
        return _innerStream->seek(offset, whence);
    }
    bool skip(uint32 offset) override {
        return _innerStream->skip(offset);
    }
    char *readLine(char *s, size_t bufSize, bool handleCR = true) override {
        return _innerStream->readLine(s, bufSize, handleCR);
    }
    Common::String readLine(bool handleCR = true) override {
        return _innerStream->readLine(handleCR);
    }
};
 
 
class AVIDecoder : public Video::AVIDecoder {
public:
    AVIDecoder() {}
    AVIDecoder(const Common::Rational &frameRateOverride) :
        Video::AVIDecoder(frameRateOverride) {}
 
    uint videoTrackCount() const { return _videoTracks.size(); }
 
    Video::AVIDecoder::AVIVideoTrack &getVideoTrack(uint idx);
 
    AVIVideoTrack *getTransparencyTrack() {
        return static_cast<AVIVideoTrack *>(_transparencyTrack.track);
    }
};
 
class AVISurface {
private:
    AVIDecoder *_decoder;
    CVideoSurface *_videoSurface;
    CMovieRangeInfoList _movieRangeInfo;
    int _streamCount;
    Graphics::ManagedSurface *_movieFrameSurface[2];
    bool _framePixels;
    double _frameRate;
    int _currentFrame, _priorFrame;
    uint32 _priorFrameTime;
    Common::String _movieName;
private:
    bool renderFrame();
 
    void setupDecompressor();
 
    void copyMovieFrame(const Graphics::Surface &src, Graphics::ManagedSurface &dest);
protected:
    bool startAtFrame(int frameNumber);
 
    virtual void seekToFrame(uint frameNumber);
public:
    CSoundManager *_soundManager;
    bool _hasAudio;
public:
    AVISurface(const CResourceKey &key);
    virtual ~AVISurface();
 
    virtual bool play(uint flags, CGameObject *obj);
 
    virtual bool play(int startFrame, int endFrame, uint flags, CGameObject *obj);
 
    virtual bool play(int startFrame, int endFrame, int initialFrame, uint flags, CGameObject *obj);
 
    virtual void stop();
 
    virtual void pause();
 
    virtual void resume();
 
    virtual bool isPlaying() const {
        return _decoder->isPlaying();
    }
 
    virtual void setPlaying(bool playingFlag) {
        _decoder->pauseVideo(!playingFlag);
    }
 
    virtual bool handleEvents(CMovieEventList &events);
 
    void setVideoSurface(CVideoSurface *surface);
 
    uint getWidth() const;
 
    uint getHeight() const;
 
    void setFrame(int frameNumber);
 
    int getFrame() const { return _priorFrame; }
 
    bool addEvent(int *frameNumber, CGameObject *obj);
 
    void setFrameRate(double rate);
 
    Graphics::ManagedSurface *getSecondarySurface();
 
    const CMovieRangeInfoList *getMovieRangeInfo() const {
        return &_movieRangeInfo;
    }
 
    Graphics::ManagedSurface *duplicateTransparency() const;
 
    bool isNextFrame();
 
    bool playCutscene(const Rect &r, uint startFrame, uint endFrame);
 
    uint getBitDepth() const;
 
    bool isReversed() const { return _frameRate < 0.0; }
};
 
} // End of namespace Titanic
 
#endif /* TITANIC_AVI_SURFACE_H */