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Diffstat (limited to 'converter/other/fiasco/codec/wfa.h')
| -rw-r--r-- | converter/other/fiasco/codec/wfa.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/converter/other/fiasco/codec/wfa.h b/converter/other/fiasco/codec/wfa.h new file mode 100644 index 00000000..8b9793f2 --- /dev/null +++ b/converter/other/fiasco/codec/wfa.h @@ -0,0 +1,141 @@ +/* + * wfa.h + * + * Written by: Ullrich Hafner + * + * This file is part of FIASCO («F»ractal «I»mage «A»nd «S»equence «CO»dec) + * Copyright (C) 1994-2000 Ullrich Hafner <hafner@bigfoot.de> + */ + +/* + * $Date: 2000/07/18 15:44:57 $ + * $Author: hafner $ + * $Revision: 5.3 $ + * $State: Exp $ + */ + +#ifndef _WFA_H +#define _WFA_H + +#define MAXEDGES 5 +#define MAXSTATES 6000 +#define MAXLABELS 2 /* only bintree supported anymore */ +#define MAXLEVEL 22 + +#define FIASCO_BINFILE_RELEASE 2 +#define FIASCO_MAGIC "FIASCO" /* FIASCO magic number */ +#define FIASCO_BASIS_MAGIC "Fiasco" /* FIASCO initial basis */ + +#define NO_EDGE -1 +#define RANGE -1 +#define NO_RANGE 0 + +#define CHILD 1 +#define LEAF 0 + +#define MAX_PROB 9 +#define MIN_PROB 1 + +/* + * WFA state types: + * 0: state is not allowed to be used in an + * approximation and it's image is not needed + * for ip computations. + * AUXILIARY_MASK: state is required for computation of ip's but is not + * allowed to be used in an approximation. + * USE_DOMAIN_MASK: state is allowed to be used in an approximation. + */ +enum state_types {AUXILIARY_MASK = 1 << 0, USE_DOMAIN_MASK = 1 << 1}; + +#define isedge(x) ((x) != NO_EDGE) +#define isdomain(x) ((x) != NO_EDGE) +#define isrange(x) ((x) == RANGE) +#define ischild(x) ((x) != RANGE) +#define isauxiliary(d,wfa) ((wfa)->domain_type[d] & AUXILIARY_MASK) +#define usedomain(d, wfa) ((wfa)->domain_type[d] & USE_DOMAIN_MASK) +#define need_image(d,wfa) (isauxiliary ((d), (wfa)) || usedomain ((d), (wfa))) + +typedef enum mc_type {NONE, FORWARD, BACKWARD, INTERPOLATED} mc_type_e; +typedef enum frame_type {I_FRAME, P_FRAME, B_FRAME} frame_type_e; +typedef enum header {HEADER_END, HEADER_TITLE, HEADER_COMMENT} header_type_e; + +typedef struct mv +/* + * Motion vector components + */ +{ + mc_type_e type; /* motion compensation type */ + int fx, fy; /* forward vector coordinates */ + int bx, by; /* backward vector coordinates */ +} mv_t; + +typedef struct range_info +{ + unsigned x, y; /* coordinates of upper left corner */ + unsigned level; /* bintree level of range */ +} range_info_t; + +#include "image.h" +#include "rpf.h" +#include "bit-io.h" + +typedef struct wfa_info +{ + char *wfa_name; /* filename of the WFA */ + char *basis_name; /* filename of the initial basis */ + char *title; /* title of FIASCO stream */ + char *comment; /* comment for FIASCO stream */ + + unsigned max_states; /* max. cardinality of domain pool */ + unsigned chroma_max_states; /* max. cardinality of domain pool for + chroma band coding */ + bool_t color; /* color image */ + unsigned width; /* image width */ + unsigned height; /* image height */ + unsigned level; /* image level */ + rpf_t *rpf; /* Standard reduced precision format */ + rpf_t *dc_rpf; /* DC reduced precision format */ + rpf_t *d_rpf; /* Delta reduced precision format */ + rpf_t *d_dc_rpf; /* Delta DC reduced precision format */ + unsigned frames; /* number of frames in the video */ + unsigned fps; /* number of frames per second */ + unsigned p_min_level; /* min. level of prediction */ + unsigned p_max_level; /* max. level of prediction */ + unsigned search_range; /* motion vector interval */ + bool_t half_pixel; /* usage of half pixel precision */ + bool_t cross_B_search; /* usage of Cross-B-Search */ + bool_t B_as_past_ref; /* usage of B frames as ref's */ + unsigned smoothing; /* smoothing of image along borders */ + unsigned release; /* FIASCO file format release */ +} wfa_info_t; + +typedef struct wfa +/* + * Used to store all informations and data structures of a WFA + */ +{ + wfa_info_t *wfainfo; /* misc. information about the WFA */ + frame_type_e frame_type; /* intra, predicted, bi-directional */ + unsigned states; /* number of states */ + unsigned basis_states; /* number of states in the basis */ + unsigned root_state; /* root of the tree */ + real_t *final_distribution; /* one pixel images */ + byte_t *level_of_state; /* level of the image part which is + represented by the current state */ + byte_t *domain_type; /* Bit_0==1: auxilliary state + Bit_1==1: used for Y compr */ + mv_t (*mv_tree)[MAXLABELS]; /* motion vectors */ + word_t (*tree)[MAXLABELS]; /* bintree partitioning */ + u_word_t (*x)[MAXLABELS]; /* range coordinate */ + u_word_t (*y)[MAXLABELS]; /* range coordinate */ + word_t (*into)[MAXLABELS][MAXEDGES + 1]; /* domain references */ + real_t (*weight)[MAXLABELS][MAXEDGES + 1]; /* lin.comb. coefficients */ + word_t (*int_weight)[MAXLABELS][MAXEDGES + 1]; /* bin. representation */ + word_t (*y_state)[MAXLABELS]; /* bintree of Y component */ + byte_t (*y_column)[MAXLABELS]; /* array for Y component references */ + byte_t (*prediction)[MAXLABELS]; /* DC prediction */ + bool_t (*delta_state); /* delta state */ +} wfa_t; + +#endif /* not _WFA_H */ + |