mirror of
https://github.com/libretro/scummvm.git
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162 lines
3.6 KiB
C++
162 lines
3.6 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef KYRA_VQA_H
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#define KYRA_VQA_H
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#include "video/video_decoder.h"
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#include "common/file.h"
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#include "common/rational.h"
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class OSystem;
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namespace Audio {
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class QueuingAudioStream;
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} // End of namespace Audio
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namespace Kyra {
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class KyraEngine_v1;
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class Screen;
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class VQADecoder : public Video::VideoDecoder {
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public:
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VQADecoder();
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virtual ~VQADecoder();
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bool loadStream(Common::SeekableReadStream *stream);
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void readNextPacket();
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private:
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Common::SeekableReadStream *_fileStream;
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void handleVQHD(Common::SeekableReadStream *stream);
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void handleFINF(Common::SeekableReadStream *stream);
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struct VQAHeader {
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uint16 version;
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uint16 flags;
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uint16 numFrames;
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uint16 width;
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uint16 height;
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uint8 blockW;
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uint8 blockH;
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uint8 frameRate;
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uint8 cbParts;
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uint16 colors;
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uint16 maxBlocks;
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uint32 unk1;
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uint16 unk2;
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uint16 freq;
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uint8 channels;
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uint8 bits;
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uint32 unk3;
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uint16 unk4;
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uint32 maxCBFZSize;
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uint32 unk5;
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};
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VQAHeader _header;
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uint32 *_frameInfo;
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class VQAAudioTrack : public AudioTrack {
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public:
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VQAAudioTrack(const VQAHeader *header);
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~VQAAudioTrack();
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void handleSND0(Common::SeekableReadStream *stream);
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void handleSND1(Common::SeekableReadStream *stream);
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void handleSND2(Common::SeekableReadStream *stream);
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protected:
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Audio::AudioStream *getAudioStream() const;
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private:
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Audio::QueuingAudioStream *_audioStream;
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};
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class VQAVideoTrack : public FixedRateVideoTrack {
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public:
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VQAVideoTrack(const VQAHeader *header);
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~VQAVideoTrack();
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uint16 getWidth() const;
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uint16 getHeight() const;
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Graphics::PixelFormat getPixelFormat() const;
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int getCurFrame() const;
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int getFrameCount() const;
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const Graphics::Surface *decodeNextFrame();
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void setHasDirtyPalette();
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bool hasDirtyPalette() const;
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const byte *getPalette() const;
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void handleVQFR(Common::SeekableReadStream *stream);
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protected:
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Common::Rational getFrameRate() const;
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private:
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Graphics::Surface *_surface;
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byte _palette[3 * 256];
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mutable bool _dirtyPalette;
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bool _newFrame;
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uint16 _width, _height;
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uint8 _blockW, _blockH;
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uint8 _cbParts;
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int _frameCount;
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int _curFrame;
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byte _frameRate;
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uint32 _codeBookSize;
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bool _compressedCodeBook;
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byte *_codeBook;
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int _partialCodeBookSize;
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int _numPartialCodeBooks;
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byte *_partialCodeBook;
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uint32 _numVectorPointers;
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uint16 *_vectorPointers;
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};
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};
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class VQAMovie {
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public:
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VQAMovie(KyraEngine_v1 *vm, OSystem *system);
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~VQAMovie();
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bool open(const char *filename);
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void close();
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void play();
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private:
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OSystem *_system;
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KyraEngine_v1 *_vm;
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Screen *_screen;
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VQADecoder *_decoder;
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Common::File _file;
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};
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} // End of namespace Kyra
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#endif
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