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/* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#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
};
/**
* This implements a special read stream for the y222.avi video
* that fixes that totalFrames field of the header from it's
* incorrect value of 1 to a correct 1085.
*/
class y222 : virtual public Common::SeekableReadStream {
private:
File *_innerStream;
public:
y222();
virtual ~y222();
virtual uint32 read(void *dataPtr, uint32 dataSize);
virtual bool eos() const { return _innerStream->eos(); }
virtual int32 pos() const { return _innerStream->pos(); }
virtual int32 size() const { return _innerStream->size(); }
virtual bool seek(int32 offset, int whence = SEEK_SET) {
return _innerStream->seek(offset, whence);
}
virtual bool skip(uint32 offset) {
return _innerStream->skip(offset);
}
virtual char *readLine(char *s, size_t bufSize) {
return _innerStream->readLine(s, bufSize);
}
virtual Common::String readLine() {
return _innerStream->readLine();
}
};
class AVIDecoder : public Video::AVIDecoder {
public:
AVIDecoder() {}
AVIDecoder(const Common::Rational &frameRateOverride) :
Video::AVIDecoder(frameRateOverride) {}
/**
* Returns the number of video tracks the decoder has
*/
uint videoTrackCount() const { return _videoTracks.size(); }
/**
* Returns the specified video track
*/
Video::AVIDecoder::AVIVideoTrack &getVideoTrack(uint idx);
/**
* Returns the transparency video track, if present
*/
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:
/**
* Render a frame to the video surface
*/
bool renderFrame();
/**
* Sets up for video decompression
*/
void setupDecompressor();
/**
* Copys a movie frame into a local 16-bit frame surface
* @param src Source raw movie frame
* @param dest Destination 16-bit copy of the frame
* @remarks The important thing this methods different from a straight
* copy is that any pixels marked as fully transparent are replaced with
* the special transparent color value.
*/
void copyMovieFrame(const Graphics::Surface &src, Graphics::ManagedSurface &dest);
protected:
/**
* Start playback at the specified frame
*/
bool startAtFrame(int frameNumber);
/**
* Seeks to a given frame number in the video
*/
virtual void seekToFrame(uint frameNumber);
public:
CSoundManager *_soundManager;
bool _hasAudio;
public:
AVISurface(const CResourceKey &key);
virtual ~AVISurface();
/**
* Start playing the loaded AVI video
*/
virtual bool play(uint flags, CGameObject *obj);
/**
* Start playing the loaded AVI video
*/
virtual bool play(int startFrame, int endFrame, uint flags, CGameObject *obj);
/**
* Start playing the loaded AVI video
*/
virtual bool play(int startFrame, int endFrame, int initialFrame, uint flags, CGameObject *obj);
/**
* Stop the currently playing video
*/
virtual void stop();
/**
* Pauses video playback
*/
virtual void pause();
/**
* Resumes the video if it's paused
*/
virtual void resume();
/**
* Return true if a video is currently playing
*/
virtual bool isPlaying() const {
return _decoder->isPlaying();
}
/**
* Sets whether the video is playing (versus paused)
*/
virtual void setPlaying(bool playingFlag) {
_decoder->pauseVideo(!playingFlag);
}
/**
* Handle any movie events relevent for the frame
*/
virtual bool handleEvents(CMovieEventList &events);
/**
* Set the video surface the AVI Surface will render on
*/
void setVideoSurface(CVideoSurface *surface);
/**
* Get the width of the video
*/
uint getWidth() const;
/**
* Get the height of the video
*/
uint getHeight() const;
/**
* Set the current frame
*/
void setFrame(int frameNumber);
/**
* Gets the current frame
*/
int getFrame() const { return _priorFrame; }
/**
* Add a movie event
*/
bool addEvent(int *frameNumber, CGameObject *obj);
/**
* Set the frame rate
*/
void setFrameRate(double rate);
/**
* Returns the surface for the secondary video track frame, if present
*/
Graphics::ManagedSurface *getSecondarySurface();
/**
* Get a reference to the movie range info list
*/
const CMovieRangeInfoList *getMovieRangeInfo() const {
return &_movieRangeInfo;
}
/**
* Duplicates the transparency mask for the frame, if the movie includes it
*/
Graphics::ManagedSurface *duplicateTransparency() const;
/**
* Returns true if it's time for the next
*/
bool isNextFrame();
/**
* Plays an interruptable cutscene
* @returns True if the cutscene was not interrupted
*/
bool playCutscene(const Rect &r, uint startFrame, uint endFrame);
/**
* Returns the pixel depth of the movie in bits
*/
uint getBitDepth() const;
/**
* Returns true if the movie is to play backwards
*/
bool isReversed() const { return _frameRate < 0.0; }
};
} // End of namespace Titanic
#endif /* TITANIC_AVI_SURFACE_H */
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