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Diffstat (limited to 'engines/bladerunner/vqa_decoder.h')
| -rw-r--r-- | engines/bladerunner/vqa_decoder.h | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/engines/bladerunner/vqa_decoder.h b/engines/bladerunner/vqa_decoder.h new file mode 100644 index 0000000000..c4b5974f2a --- /dev/null +++ b/engines/bladerunner/vqa_decoder.h @@ -0,0 +1,165 @@ +/* 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 |