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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.
*
* $URL$
* $Id$
*
*/
#ifndef MOHAWK_VIDEO_H
#define MOHAWK_VIDEO_H
#include "common/queue.h"
#include "sound/audiostream.h"
#include "sound/mixer.h"
#include "graphics/pixelformat.h"
#include "graphics/video/codecs/codec.h"
namespace Mohawk {
class MohawkEngine;
struct MLSTRecord {
uint16 index;
uint16 movieID;
uint16 code;
uint16 left;
uint16 top;
uint16 u0[3];
uint16 loop;
uint16 volume;
uint16 u1;
bool enabled;
};
class QueuedAudioStream : public Audio::AudioStream {
public:
QueuedAudioStream(int rate, int channels, bool autofree = true);
~QueuedAudioStream();
int readBuffer(int16 *buffer, const int numSamples);
bool isStereo() const { return _channels == 2; }
int getRate() const { return _rate; }
bool endOfData() const { return _queue.empty(); }
bool endOfStream() const { return _finished; }
void queueAudioStream(Audio::AudioStream *audStream);
void finish() { _finished = true; }
uint32 streamsInQueue() { return _queue.size(); }
private:
bool _autofree;
bool _finished;
int _rate;
int _channels;
Common::Queue<Audio::AudioStream*> _queue;
};
enum ScaleMode {
kScaleNormal = 1,
kScaleHalf = 2,
kScaleQuarter = 4
};
class Video {
public:
Video();
virtual ~Video();
virtual bool loadFile(Common::SeekableReadStream *stream) = 0;
virtual void closeFile() = 0;
void stop();
void reset();
Graphics::Surface *getNextFrame();
virtual uint16 getWidth() = 0;
virtual uint16 getHeight() = 0;
virtual uint32 getFrameCount() = 0;
virtual void updateAudioBuffer() {}
void startAudio();
void stopAudio();
void pauseAudio();
void resumeAudio();
int32 getCurFrame() { return _curFrame; }
void addPauseTime(uint32 p) { _lastFrameStart += p; _nextFrameStart += p; }
bool needsUpdate();
bool endOfVideo();
virtual byte getBitsPerPixel() = 0;
virtual byte *getPalette() { return NULL; }
virtual uint32 getCodecTag() = 0;
virtual ScaleMode getScaleMode() { return kScaleNormal; }
private:
Graphics::Codec *_videoCodec;
bool _noCodecFound;
Graphics::Codec *createCodec(uint32 codecTag, byte bitsPerPixel);
int32 _curFrame;
uint32 _lastFrameStart, _nextFrameStart; // In 1/100 ms
Audio::SoundHandle _audHandle;
uint32 getFrameDuration() { return getFrameDuration(_curFrame); }
protected:
virtual Common::SeekableReadStream *getNextFramePacket() = 0;
virtual uint32 getFrameDuration(uint32 frame) = 0;
virtual QueuedAudioStream *getAudioStream() = 0;
virtual void resetInternal() {}
};
struct VideoEntry {
Video *video;
uint16 x;
uint16 y;
bool loop;
Common::String filename;
uint16 id; // Riven only
Video *operator->() const { assert(video); return video; }
};
enum VideoType {
kQuickTimeVideo,
kBinkVideo
};
class VideoManager {
public:
VideoManager(MohawkEngine *vm);
~VideoManager();
// Generic movie functions
void playMovie(Common::String filename, uint16 x = 0, uint16 y = 0, bool clearScreen = false);
void playMovieCentered(Common::String filename, bool clearScreen = true);
void playBackgroundMovie(Common::String filename, int16 x = -1, int16 y = -1, bool loop = false);
bool updateBackgroundMovies();
void pauseVideos();
void resumeVideos();
void stopVideos();
// Riven-related functions
void activateMLST(uint16 mlstId, uint16 card);
void enableMovie(uint16 id);
void disableMovie(uint16 id);
void disableAllMovies();
void playMovie(uint16 id);
void stopMovie(uint16 id);
void playMovieBlocking(uint16 id);
// Riven-related variables
Common::Array<MLSTRecord> _mlstRecords;
private:
MohawkEngine *_vm;
void playMovie(VideoEntry videoEntry);
Video *createVideo();
// Keep tabs on any videos playing
VideoType _videoType;
Common::Array<VideoEntry> _videoStreams;
uint32 _pauseStart;
};
} // End of namespace Mohawk
#endif
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