198 lines
7.1 KiB
C
198 lines
7.1 KiB
C
/*
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** Command & Conquer Red Alert(tm)
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** Copyright 2025 Electronic Arts Inc.
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**
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** This program is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (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, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef VQAFILE_H
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#define VQAFILE_H
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/****************************************************************************
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*
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* C O N F I D E N T I A L -- W E S T W O O D S T U D I O S
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*
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*----------------------------------------------------------------------------
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*
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* PROJECT
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* VQA player library. (32-Bit protected mode)
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*
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* FILE
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* vqafile.h
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*
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* DESCRIPTION
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* VQA file format definitions.
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*
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* PROGRAMMER
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* Denzil E. Long, Jr.
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*
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* DATE
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* April 10, 1995
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*
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****************************************************************************/
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#include <vqm32\iff.h>
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#ifdef __WATCOMC__
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#pragma pack(1);
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#endif
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/*---------------------------------------------------------------------------
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* STRUCTURE DEFINITIONS AND RELATED DEFINES.
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*-------------------------------------------------------------------------*/
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/* VQAHeader: VQA movie description header. (VQHD)
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*
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* Version - VQA version.
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* Flags - Various flags. (See below)
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* ImageWidth - Image width in pixels.
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* ImageHeight - Image height in pixels.
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* BlockWidth - Block width in pixels.
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* BlockHeight - Block height in pixels.
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* Frames - Total number of frames in the movie.
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* FPS - Playback rate (Frame Per Second).
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* Groupsize - Frame grouping size (frames per codebook).
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* Num1Colors - Number of 1 color colors.
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* CBentries - Number of codebook entries.
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* Xpos - X position to draw frames. (-1 = Center)
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* Ypos - Y position to draw frames. (-1 = Center)
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* MaxFramesize - Size of largest frame.
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* SampleRate - Sample rate of primary audio stream.
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* Channels - Number of channels in primary audio stream.
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* BitsPerSample - Sample bit size in primary audio stream.
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* FutureUse - Reserved for future expansion.
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*/
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typedef struct _VQAHeader {
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unsigned short Version;
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unsigned short Flags;
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unsigned short Frames;
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unsigned short ImageWidth;
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unsigned short ImageHeight;
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unsigned char BlockWidth;
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unsigned char BlockHeight;
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unsigned char FPS;
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unsigned char Groupsize;
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unsigned short Num1Colors;
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unsigned short CBentries;
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unsigned short Xpos;
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unsigned short Ypos;
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unsigned short MaxFramesize;
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unsigned short SampleRate;
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unsigned char Channels;
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unsigned char BitsPerSample;
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unsigned short AltSampleRate;
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unsigned char AltChannels;
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unsigned char AltBitsPerSample;
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unsigned short FutureUse[5];
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} VQAHeader;
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/* Version type. */
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#define VQAHD_VER1 1
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#define VQAHD_VER2 2
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/* VQA header flag definitions */
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#define VQAHDB_AUDIO 0 /* Audio track present. */
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#define VQAHDB_ALTAUDIO 1 /* Alternate audio track present. */
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#define VQAHDF_AUDIO (1<<VQAHDB_AUDIO)
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#define VQAHDF_ALTAUDIO (1<<VQAHDB_ALTAUDIO)
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/* Frame information (FINF) chunk definitions
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*
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* The FINF chunk contains a longword (4 bytes) entry for each
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* frame in the movie. This entry is divided into two parts,
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* flags (4 bits) and offset (28 bits).
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*
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* BITS NAME DESCRIPTION
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* -----------------------------------------------------------
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* 31-28 Flags 4 bitwise boolean flags.
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* 27-0 Offset Offset in WORDS from the start of the file.
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*/
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#define VQAFINB_KEY 31
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#define VQAFINB_PAL 30
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#define VQAFINB_SYNC 29
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#define VQAFINF_KEY (1L<<VQAFINB_KEY)
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#define VQAFINF_PAL (1L<<VQAFINB_PAL)
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#define VQAFINF_SYNC (1L<<VQAFINB_SYNC)
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/* FINF related defines and macros. */
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#define VQAFINF_OFFSET 0x0FFFFFFFL
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#define VQAFINF_FLAGS 0xF0000000L
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#define VQAFRAME_OFFSET(a) (((a & VQAFINF_OFFSET)<<1))
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/* VQ vector pointer codes. */
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#define VPC_ONE_SINGLE 0xF000 /* One single color block */
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#define VPC_ONE_SEMITRANS 0xE000 /* One semitransparent block */
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#define VPC_SHORT_DUMP 0xD000 /* Short dump of single color blocks */
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#define VPC_LONG_DUMP 0xC000 /* Long dump of single color blocks */
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#define VPC_SHORT_RUN 0xB000 /* Short run of single color blocks */
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#define VPC_LONG_RUN 0xA000 /* Long run */
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/* Long run codes. */
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#define LRC_SEMITRANS 0xC000 /* Long run of semitransparent blocks. */
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#define LRC_SINGLE 0x8000 /* Long run of single color blocks. */
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/* Defines used for Run-Skip-Dump compression. */
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#define MIN_SHORT_RUN_LENGTH 2
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#define MAX_SHORT_RUN_LENGTH 15
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#define MIN_LONG_RUN_LENGTH 2
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#define MAX_LONG_RUN_LENGTH 4095
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#define MIN_SHORT_DUMP_LENGTH 3
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#define MAX_SHORT_DUMP_LENGTH 15
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#define MIN_LONG_DUMP_LENGTH 2
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#define MAX_LONG_DUMP_LENGTH 4095
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#define WORD_HI_BIT 0x8000
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/*---------------------------------------------------------------------------
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* VQA FILE CHUNK ID DEFINITIONS.
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*-------------------------------------------------------------------------*/
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#define ID_WVQA MAKE_ID('W','V','Q','A') /* Westwood VQ Animation form. */
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#define ID_VQHD MAKE_ID('V','Q','H','D') /* VQ header. */
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#define ID_NAME MAKE_ID('N','A','M','E') /* Name string. */
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#define ID_FINF MAKE_ID('F','I','N','F') /* Frame information. */
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#define ID_VQFR MAKE_ID('V','Q','F','R') /* VQ frame container. */
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#define ID_VQFK MAKE_ID('V','Q','F','K') /* VQ key frame container. */
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#define ID_CBF0 MAKE_ID('C','B','F','0') /* Full codebook. */
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#define ID_CBFZ MAKE_ID('C','B','F','Z') /* Full codebook (compressed). */
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#define ID_CBP0 MAKE_ID('C','B','P','0') /* Partial codebook. */
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#define ID_CBPZ MAKE_ID('C','B','P','Z') /* Partial codebook (compressed). */
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#define ID_VPT0 MAKE_ID('V','P','T','0') /* Vector pointers. */
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#define ID_VPTZ MAKE_ID('V','P','T','Z') /* Vector pointers (compressed). */
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#define ID_VPTK MAKE_ID('V','P','T','K') /* Vector pointers (Delta Key). */
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#define ID_VPTD MAKE_ID('V','P','T','D') /* Vector pointers (Delta). */
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#define ID_VPTR MAKE_ID('V','P','T','R') /* Pointers RSD compressed. */
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#define ID_VPRZ MAKE_ID('V','P','R','Z') /* Pointers RSD, lcw compressed. */
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#define ID_CPL0 MAKE_ID('C','P','L','0') /* Color palette. */
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#define ID_CPLZ MAKE_ID('C','P','L','Z') /* Color palette (compressed). */
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#define ID_SND0 MAKE_ID('S','N','D','0') /* Sound */
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#define ID_SND1 MAKE_ID('S','N','D','1') /* Sound (Zap compressed). */
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#define ID_SND2 MAKE_ID('S','N','D','2') /* Sound (ADPCM compressed). */
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#define ID_SNDZ MAKE_ID('S','N','D','Z') /* Sound (LCW compression). */
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#define ID_SNA0 MAKE_ID('S','N','A','0') /* Sound */
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#define ID_SNA1 MAKE_ID('S','N','A','1') /* Sound (Zap compressed). */
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#define ID_SNA2 MAKE_ID('S','N','A','2') /* Sound (ADPCM compressed). */
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#define ID_SNAZ MAKE_ID('S','N','A','Z') /* Sound (LCW compression). */
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#define ID_CAP0 MAKE_ID('C','A','P','0') /* Caption text */
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#define ID_EVA0 MAKE_ID('E','V','A','0') /* EVA text */
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#ifdef __WATCOMC__
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#pragma pack();
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#endif
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#endif /* VQAFILE_H */
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