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Diffstat (limited to 'engines/voyeur/animation.h')
| -rw-r--r-- | engines/voyeur/animation.h | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/engines/voyeur/animation.h b/engines/voyeur/animation.h new file mode 100644 index 0000000000..bc6d8a361a --- /dev/null +++ b/engines/voyeur/animation.h @@ -0,0 +1,195 @@ +/* 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 VOYEUR_ANIMATION_H +#define VOYEUR_ANIMATION_H + +#include "video/video_decoder.h" +#include "audio/audiostream.h" +#include "audio/mixer.h" +#include "audio/timestamp.h" +#include "common/array.h" +#include "common/list.h" +#include "common/rect.h" +#include "common/stream.h" +#include "voyeur/files.h" + +namespace Voyeur { + +class VoyeurEngine; + +/** + * Decoder for RL2 videos. + * + * Video decoder used in engines: + * - voyeur + */ +class RL2Decoder : public Video::VideoDecoder { +private: + class RL2FileHeader { + public: + RL2FileHeader(); + ~RL2FileHeader(); + + int _channels; + int _colorCount; + int _numFrames; + int _rate; + int _soundRate; + int _videoBase; + int *_frameSoundSizes; + + uint32 _backSize; + uint32 _signature; + uint32 *_frameOffsets; + + byte _palette[768]; + + void load(Common::SeekableReadStream *stream); + Common::Rational getFrameRate() const; + bool isValid() const; + + private: + uint32 _form; // Unused variable + uint32 _dataSize; // Unused variable + int _method; // Unused variable + int _defSoundSize; + }; + + class SoundFrame { + public: + int _offset; + int _size; + + SoundFrame(int offset, int size); + }; + + class RL2AudioTrack : public AudioTrack { + private: + Audio::Mixer::SoundType _soundType; + const RL2FileHeader &_header; + Audio::QueuingAudioStream *_audStream; + protected: + Audio::AudioStream *getAudioStream() const; + public: + RL2AudioTrack(const RL2FileHeader &header, Common::SeekableReadStream *stream, + Audio::Mixer::SoundType soundType); + ~RL2AudioTrack(); + + Audio::Mixer::SoundType getSoundType() const { return _soundType; } + int numQueuedStreams() const { return _audStream->numQueuedStreams(); } + virtual bool isSeekable() const { return true; } + virtual bool seek(const Audio::Timestamp &time) { return true; } + + void queueSound(Common::SeekableReadStream *stream, int size); + }; + + class RL2VideoTrack : public FixedRateVideoTrack { + public: + RL2VideoTrack(const RL2FileHeader &header, RL2AudioTrack *audioTrack, + Common::SeekableReadStream *stream); + ~RL2VideoTrack(); + + uint16 getWidth() const; + uint16 getHeight() const; + Graphics::Surface *getSurface() { return _surface; } + Graphics::Surface *getBackSurface(); + Graphics::PixelFormat getPixelFormat() const; + int getCurFrame() const { return _curFrame; } + int getFrameCount() const { return _header._numFrames; } + const Graphics::Surface *decodeNextFrame(); + const byte *getPalette() const { _dirtyPalette = false; return _header._palette; } + int getPaletteCount() const { return _header._colorCount; } + bool hasDirtyPalette() const { return _dirtyPalette; } + const Common::List<Common::Rect> *getDirtyRects() const { return &_dirtyRects; } + void clearDirtyRects() { _dirtyRects.clear(); } + void copyDirtyRectsToBuffer(uint8 *dst, uint pitch); + + virtual Common::Rational getFrameRate() const { return _header.getFrameRate(); } + virtual bool isSeekable() const { return true; } + virtual bool seek(const Audio::Timestamp &time); + private: + Common::SeekableReadStream *_fileStream; + const RL2FileHeader &_header; + Graphics::Surface *_surface; + Graphics::Surface *_backSurface; + bool _hasBackFrame; + + mutable bool _dirtyPalette; + + bool _initialFrame; + int _curFrame; + uint32 _videoBase; + uint32 *_frameOffsets; + + Common::List<Common::Rect> _dirtyRects; + + void copyFrame(uint8 *data); + void rl2DecodeFrameWithTransparency(int screenOffset); + void rl2DecodeFrameWithoutTransparency(int screenOffset = -1); + void initBackSurface(); + }; + +private: + RL2AudioTrack *_audioTrack; + RL2VideoTrack *_videoTrack; + Common::SeekableReadStream *_fileStream; + Audio::Mixer::SoundType _soundType; + RL2FileHeader _header; + int _paletteStart; + Common::Array<SoundFrame> _soundFrames; + int _soundFrameNumber; + const Common::List<Common::Rect> *getDirtyRects() const; + + void clearDirtyRects(); + void copyDirtyRectsToBuffer(uint8 *dst, uint pitch); + int getPaletteStart() const { return _paletteStart; } + const RL2FileHeader &getHeader() { return _header; } + virtual void readNextPacket(); + virtual bool seekIntern(const Audio::Timestamp &time); + +public: + RL2Decoder(Audio::Mixer::SoundType soundType = Audio::Mixer::kPlainSoundType); + virtual ~RL2Decoder(); + + virtual void close(); + + bool loadStream(Common::SeekableReadStream *stream); + bool loadRL2File(const Common::String &file, bool palFlag); + bool loadVideo(int videoId); + int getPaletteCount() const { return _header._colorCount; } + + /** + * Play back a given Voyeur RL2 video + * @param vm Engine reference + * @param resourceOffset Starting resource to use for frame pictures + * @param frames Optional frame numbers resource for when to apply image data + * @param imgPos Position to draw image data + */ + void play(VoyeurEngine *vm, int resourceOffset = 0, byte *frames = NULL, byte *imgPos = NULL); + RL2VideoTrack *getRL2VideoTrack() { return _videoTrack; } + RL2AudioTrack *getRL2AudioTrack() { return _audioTrack; } +}; + +} // End of namespace Voyeur + +#endif /* VOYEUR_ANIMATION_H */ |