scummvm/engines/wintermute/video/video_theora_player.h
2013-04-18 17:45:50 +02:00

148 lines
3.5 KiB
C++

/* 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.
*
*/
/*
* This file is based on WME Lite.
* http://dead-code.org/redir.php?target=wmelite
* Copyright (c) 2011 Jan Nedoma
*/
#ifndef WINTERMUTE_VIDTHEORAPLAYER_H
#define WINTERMUTE_VIDTHEORAPLAYER_H
#include "engines/wintermute/base/base.h"
#include "engines/wintermute/persistent.h"
#include "video/video_decoder.h"
#include "common/stream.h"
#include "graphics/surface.h"
namespace Wintermute {
class BaseSurface;
class BaseImage;
class VideoTheoraPlayer : public BaseClass {
private:
enum {
THEORA_STATE_NONE = 0,
THEORA_STATE_PLAYING = 1,
THEORA_STATE_PAUSED = 2,
THEORA_STATE_FINISHED = 3
};
Video::VideoDecoder *_theoraDecoder;
Graphics::Surface _surface;
public:
DECLARE_PERSISTENT(VideoTheoraPlayer, BaseClass)
VideoTheoraPlayer(BaseGame *inGame);
virtual ~VideoTheoraPlayer(void);
// external objects
Common::SeekableReadStream *_file;
Common::String _filename;
BaseSurface *_texture;
//CVidSubtitler *_subtitler;
// control methods
bool initialize(const Common::String &filename, const Common::String &subtitleFile = nullptr);
bool initializeSimple();
bool update();
bool play(TVideoPlayback type = VID_PLAY_CENTER, int x = 0, int y = 0, bool freezeGame = false, bool freezeMusic = true, bool looping = false, uint32 startTime = 0, float forceZoom = -1.0f, int volume = -1);
bool stop();
bool display(uint32 alpha = 0xFFFFFFFF);
bool pause();
bool resume();
bool isPlaying() const {
return _state == THEORA_STATE_PLAYING;
};
bool isFinished() const {
return _state == THEORA_STATE_FINISHED;
};
bool isPaused() const {
return _state == THEORA_STATE_PAUSED;
};
uint32 getMovieTime() const;
BaseSurface *getTexture() const;
// alpha related
BaseImage *_alphaImage;
Common::String _alphaFilename;
bool setAlphaImage(const Common::String &filename);
__inline byte getAlphaAt(int x, int y) const;
void writeAlpha();
bool seekToTime(uint32 Time);
void cleanup();
bool resetStream();
// video properties
int32 _posX;
int32 _posY;
bool _dontDropFrames;
private:
int32 _state;
uint32 _startTime;
int32 _savedState;
uint32 _savedPos;
// video properties
TVideoPlayback _playbackType;
bool _looping;
float _playZoom;
int32 _volume;
bool _freezeGame;
uint32 _currentTime;
// seeking support
bool _seekingKeyframe;
float _timeOffset;
bool _frameRendered;
bool getIsFrameReady() const {
return _videoFrameReady;
}
bool _audioFrameReady;
bool _videoFrameReady;
float _videobufTime;
bool writeVideo();
bool _playbackStarted;
// helpers
void SetDefaults();
};
} // end of namespace Wintermute
#endif