scummvm/engines/mohawk/riven_video.h
2018-03-31 13:36:09 +02:00

157 lines
3.7 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.
*
*/
#ifndef MOHAWK_RIVEN_VIDEO_H
#define MOHAWK_RIVEN_VIDEO_H
#include "common/list.h"
#include "common/noncopyable.h"
namespace Video {
class QuickTimeDecoder;
}
namespace Mohawk {
class MohawkEngine_Riven;
/**
* A video monitored by the VideoManager
*/
class RivenVideo : private Common::NonCopyable {
public:
RivenVideo(MohawkEngine_Riven *vm, uint16 code);
~RivenVideo();
/** Load the video from the archive */
void load(uint16 id);
/** Free resources allocated for the movie, but allow to load it again later */
void close();
/** Start playing the video */
void play();
/** Play the video until it completes or reaches the specified timestamp */
void playBlocking(int32 endTime = -1);
/** Has the video reached its end? */
bool endOfVideo() const;
/** Is the video looping? */
bool isLooping() const { return _loop; }
/** Is the video enabled? (Drawing to the screen) */
bool isEnabled() const { return _enabled; }
/** Get the ID of the video */
uint16 getId() const { return _id; }
/** Get the slot used by the video in the video manager */
uint16 getSlot() const { return _slot; }
/** Get the current frame of the video */
int getCurFrame() const;
/** Get the frame count of the video */
uint32 getFrameCount() const;
/** Get the current time position of the video */
uint32 getTime() const;
/** Get the duration of the video */
uint32 getDuration() const;
/** Move the video to the specified coordinates */
void moveTo(uint16 x, uint16 y) { _x = x; _y = y; }
/** Set the video to loop (true) or not (false) */
void setLooping(bool loop) { _loop = loop; }
/** Enable the video */
void enable();
/** Disable the video */
void disable();
/** Seek to the given time */
void seek(uint32 time);
/** Pause the video */
void pause(bool isPaused);
/** Stop playing the video */
void stop();
/** Is the video playing? */
bool isPlaying() const;
/** Set the volume of the video */
void setVolume(int volume);
/** Checks if a video is playing and is waiting to display the next frame */
bool needsUpdate() const;
/** Draw the next frame to the system screen */
void drawNextFrame();
private:
// Non-changing variables
MohawkEngine_Riven *_vm;
Video::QuickTimeDecoder *_video;
uint16 _id;
uint16 _slot;
// Playback variables
uint16 _x;
uint16 _y;
bool _loop;
bool _enabled;
bool _playing;
};
class RivenVideoManager {
public:
explicit RivenVideoManager(MohawkEngine_Riven *vm);
~RivenVideoManager();
void updateMovies();
void pauseVideos();
void resumeVideos();
void closeVideos();
void removeVideos();
void disableAllMovies();
RivenVideo *openSlot(uint16 slot);
RivenVideo *getSlot(uint16 slot);
private:
MohawkEngine_Riven *_vm;
// Keep tabs on any videos playing
typedef Common::List<RivenVideo *> VideoList;
VideoList _videos;
};
} // End of namespace Mohawk
#endif