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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_H
#define BLADERUNNER_VQA_H
#include "common/debug.h"
#include "common/str.h"
#include "common/stream.h"
#include "common/types.h"
namespace BladeRunner {
class VQADecoder
{
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 offset_x; // 0x12
uint16 offset_y; // 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 loop_count;
uint32 flags;
Loop *loops;
LoopInfo()
: loop_count(0)
{}
};
struct ClipInfo
{
uint16 clip_count;
};
Common::SeekableReadStream *r;
Header header;
LoopInfo loop_info;
ClipInfo clip_info;
uint16 *frame;
uint16 *zbuf;
size_t codebookSize;
uint8 *codebook;
uint8 *cbfz;
size_t vptrSize;
uint8 *vptr;
uint32 *frame_info;
int cur_frame;
int cur_loop;
int loop_special;
int loop_default;
uint32 max_view_chunk_size;
uint32 max_zbuf_chunk_size;
uint32 max_aesc_chunk_size;
uint8 *zbuf_chunk;
bool has_view;
// view_t view;
// ima_adpcm_ws_decoder_t ima_adpcm_ws_decoder;
int16 *audio_frame;
bool read_vqhd(uint32 size);
bool read_msci(uint32 size);
bool read_mfci(uint32 size);
bool read_linf(uint32 size);
bool read_cinf(uint32 size);
bool read_finf(uint32 size);
bool read_lnin(uint32 size);
bool read_clip(uint32 size);
bool read_sn2j(uint32 size);
bool read_snd2(uint32 size);
bool read_vqfr(uint32 size);
bool read_vptr(uint32 size);
bool read_vqfl(uint32 size);
bool read_cbfz(uint32 size);
bool read_zbuf(uint32 size);
bool read_view(uint32 size);
bool read_aesc(uint32 size);
bool read_lite(uint32 size);
public:
VQADecoder(Common::SeekableReadStream *r);
~VQADecoder();
bool read_header();
int read_frame();
void vptr_write_block(uint16 *frame, unsigned int dst_block, unsigned int src_block, int count, bool alpha = false) const;
void set_loop_special(int loop, bool wait);
void set_loop_default(int loop);
bool seek_to_frame(int frame);
bool decode_frame(uint16 *frame);
int16 *get_audio_frame();
// bool get_view(view_t *view);
bool get_zbuf(uint16 *zbuf);
};
}; // End of namespace BladeRunner
#endif
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