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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.
*
*/
#ifndef BLADERUNNER_VQA_DECODER_H
#define BLADERUNNER_VQA_DECODER_H
#include "bladerunner/adpcm_decoder.h"
#include "audio/audiostream.h"
#include "common/debug.h"
#include "common/str.h"
#include "common/stream.h"
#include "common/types.h"
#include "graphics/surface.h"
#include "video/video_decoder.h"
namespace BladeRunner {
class Lights;
class ScreenEffects;
class View;
class ZBuffer;
enum VQADecoderSkipFlags {
kVQAReadCodebook = 1,
kVQAReadVectorPointerTable = 2,
kVQAReadCustom = 4,
kVQAReadVideo = kVQAReadCodebook|kVQAReadVectorPointerTable|kVQAReadCustom,
kVQAReadAudio = 8,
kVQAReadAll = kVQAReadVideo|kVQAReadAudio
};
class VQADecoder {
public:
VQADecoder(Graphics::Surface *surface);
~VQADecoder();
bool loadStream(Common::SeekableReadStream *s);
void readFrame(int frame, uint readFlags = kVQAReadAll);
void decodeVideoFrame(int frame, bool forceDraw = false);
void decodeZBuffer(ZBuffer *zbuffer);
Audio::SeekableAudioStream *decodeAudioFrame();
void decodeView(View *view);
void decodeScreenEffects(ScreenEffects *aesc);
void decodeLights(Lights *lights);
uint16 numFrames() const { return _header.numFrames; }
uint8 frameRate() const { return _header.frameRate; }
uint16 offsetX() const { return _header.offsetX; }
uint16 offsetY() const { return _header.offsetY; }
bool hasAudio() const { return _header.channels != 0; }
uint16 frequency() const { return _header.freq; }
bool getLoopBeginAndEndFrame(int loop, int *begin, int *end);
protected:
private:
struct Header {
uint16 version; // 0x00
uint16 flags; // 0x02
uint16 numFrames; // 0x04
uint16 width; // 0x06
uint16 height; // 0x08
uint8 blockW; // 0x0A
uint8 blockH; // 0x0B
uint8 frameRate; // 0x0C
uint8 cbParts; // 0x0D
uint16 colors; // 0x0E
uint16 maxBlocks; // 0x10
uint16 offsetX; // 0x12
uint16 offsetY; // 0x14
uint16 maxVPTRSize; // 0x16
uint16 freq; // 0x18
uint8 channels; // 0x1A
uint8 bits; // 0x1B
uint32 unk3; // 0x1C
uint16 unk4; // 0x20
uint32 maxCBFZSize; // 0x22
uint32 unk5; // 0x26
// 0x2A
};
struct Loop {
uint16 begin;
uint16 end;
Common::String name;
Loop() :
begin(0),
end(0)
{}
};
struct LoopInfo {
uint16 loopCount;
uint32 flags;
Loop *loops;
LoopInfo() : loopCount(0), loops(nullptr) {}
~LoopInfo() {
delete[] loops;
}
};
struct CodebookInfo {
uint16 frame;
uint32 size;
uint8 *data;
};
class VQAVideoTrack;
class VQAAudioTrack;
Common::SeekableReadStream *_s;
Graphics::Surface *_surface;
Header _header;
int _readingFrame;
int _decodingFrame;
LoopInfo _loopInfo;
Common::Array<CodebookInfo> _codebooks;
uint32 *_frameInfo;
uint32 _maxVIEWChunkSize;
uint32 _maxZBUFChunkSize;
uint32 _maxAESCChunkSize;
VQAVideoTrack *_videoTrack;
VQAAudioTrack *_audioTrack;
void readPacket(uint readFlags);
bool readVQHD(Common::SeekableReadStream *s, uint32 size);
bool readMSCI(Common::SeekableReadStream *s, uint32 size);
bool readMFCI(Common::SeekableReadStream *s, uint32 size);
bool readLINF(Common::SeekableReadStream *s, uint32 size);
bool readCINF(Common::SeekableReadStream *s, uint32 size);
bool readFINF(Common::SeekableReadStream *s, uint32 size);
bool readLNIN(Common::SeekableReadStream *s, uint32 size);
bool readCLIP(Common::SeekableReadStream *s, uint32 size);
CodebookInfo &codebookInfoForFrame(int frame);
class VQAVideoTrack {
public:
VQAVideoTrack(VQADecoder *vqaDecoder, Graphics::Surface *surface);
~VQAVideoTrack();
uint16 getWidth() const;
uint16 getHeight() const;
int getFrameCount() const;
void decodeVideoFrame(bool forceDraw);
void decodeZBuffer(ZBuffer *zbuffer);
void decodeView(View *view);
void decodeScreenEffects(ScreenEffects *aesc);
void decodeLights(Lights *lights);
bool readVQFR(Common::SeekableReadStream *s, uint32 size, uint readFlags);
bool readVPTR(Common::SeekableReadStream *s, uint32 size);
bool readVQFL(Common::SeekableReadStream *s, uint32 size, uint readFlags);
bool readCBFZ(Common::SeekableReadStream *s, uint32 size);
bool readZBUF(Common::SeekableReadStream *s, uint32 size);
bool readVIEW(Common::SeekableReadStream *s, uint32 size);
bool readAESC(Common::SeekableReadStream *s, uint32 size);
bool readLITE(Common::SeekableReadStream *s, uint32 size);
protected:
Common::Rational getFrameRate() const;
bool useAudioSync() const { return false; }
private:
VQADecoder *_vqaDecoder;
Graphics::Surface *_surface;
bool _hasNewFrame;
uint16 _numFrames;
uint16 _width, _height;
uint8 _blockW, _blockH;
uint8 _frameRate;
uint16 _maxBlocks;
uint16 _offsetX, _offsetY;
uint16 _maxVPTRSize;
uint32 _maxCBFZSize;
uint32 _maxZBUFChunkSize;
uint8 *_codebook;
uint8 *_cbfz;
bool _zbufChunkComplete;
uint32 _zbufChunkSize;
uint8 *_zbufChunk;
uint32 _vpointerSize;
uint8 *_vpointer;
int _curFrame;
uint8 *_viewData;
uint32 _viewDataSize;
uint8 *_lightsData;
uint32 _lightsDataSize;
uint8 *_screenEffectsData;
uint32 _screenEffectsDataSize;
void VPTRWriteBlock(uint16 *frame, unsigned int dstBlock, unsigned int srcBlock, int count, bool alpha = false);
bool decodeFrame(uint16 *frame);
};
class VQAAudioTrack {
public:
VQAAudioTrack(VQADecoder *vqaDecoder);
~VQAAudioTrack();
bool readSND2(Common::SeekableReadStream *s, uint32 size);
bool readSN2J(Common::SeekableReadStream *s, uint32 size);
Audio::SeekableAudioStream *decodeAudioFrame();
protected:
private:
uint16 _frequency;
ADPCMWestwoodDecoder _adpcmDecoder;
uint8 _compressedAudioFrame[735];
};
};
} // End of namespace BladeRunner
#endif
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