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Diffstat (limited to 'converter/other/fiasco/codec/cwfa.h')
| -rw-r--r-- | converter/other/fiasco/codec/cwfa.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/converter/other/fiasco/codec/cwfa.h b/converter/other/fiasco/codec/cwfa.h new file mode 100644 index 00000000..9c4e7fee --- /dev/null +++ b/converter/other/fiasco/codec/cwfa.h @@ -0,0 +1,107 @@ +/* + * cwfa.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: 2000/10/28 17:39:30 $ + * $Author: hafner $ + * $Revision: 5.3 $ + * $State: Exp $ + */ + +#ifndef _CWFA_H +#define _CWFA_H + +#include "wfa.h" +#include "types.h" +#include "tiling.h" +#include "rpf.h" +#include "domain-pool.h" +#include "bintree.h" +#include "coeff.h" +#include "list.h" +#include "wfalib.h" +#include "options.h" + +extern const real_t MAXCOSTS; + +typedef struct motion +{ + image_t *original; /* Current image */ + image_t *past; /* Preceeding image */ + image_t *future; /* Succeeding image */ + frame_type_e frame_type; /* frame type: B_, P_ I_FRAME */ + unsigned number; /* display number of frame */ + real_t *xbits; /* # bits for mv x-component */ + real_t *ybits; /* # bits for mv y-component */ + real_t **mc_forward_norms; /* norms of mcpe */ + real_t **mc_backward_norms; /* norms of mcpe */ +} motion_t; + +typedef struct range +/* + * Information about current range in the original image. + * Approximation data (error, encoding bits, approximation type and factors + * of the linear combination) are also saved. + */ +{ + unsigned global_address; /* We need absolute image addresses + for distance calculations. */ + unsigned x, y; /* Coordinates of upper left corner */ + unsigned image; /* Position in the tree */ + unsigned address; /* Address of the pixel data */ + unsigned level; /* Level of the range */ + real_t weight [MAXEDGES + 1]; /* coeff. of the approximation */ + word_t into [MAXEDGES + 1]; /* used domains of the approximation */ + int tree; /* == domain : range is approximated + with new state 'domain' + == RANGE : + with a linear comb. */ + real_t err; /* approximation error */ + real_t tree_bits; /* # bits to encode tree */ + real_t matrix_bits; /* # bits to encode matrices */ + real_t weights_bits; /* # bits to encode weights */ + mv_t mv; /* motion vector */ + real_t mv_tree_bits; /* # bits to encode mv tree */ + real_t mv_coord_bits; /* # bits to encode mv coordinates */ + real_t nd_tree_bits; /* # bits to encode nd tree */ + real_t nd_weights_bits; /* # bits to encode nd factors */ + bool_t prediction; /* range is predicted? */ +} range_t; + +typedef struct coding +/* + * All parameters and variables that must be accessible through the coding + * process. + */ +{ + real_t price; /* determines quality of approx. */ + real_t **images_of_state; /* image of state i at level + 0, ... , imageslevel */ + real_t *(*ip_states_state)[MAXLEVEL]; /* inner products between state i + and states 0, ... , i + at all image levels */ + real_t **ip_images_state; /* inner products between all + ranges and state i */ + real_t *pixels; /* current image pixels stored in tree + order (only leaves are stored) */ + unsigned products_level; /* inner products are stored up to + this level */ + tiling_t *tiling; /* tiling of the entire image */ + tree_t tree; /* probability model */ + tree_t p_tree; /* prediction probability model */ + motion_t *mt; /* motion compensation information */ + coeff_t *coeff; + coeff_t *d_coeff; + domain_pool_t *domain_pool; + domain_pool_t *d_domain_pool; + c_options_t options; /* global options */ +} coding_t; + +#endif /* not _CWFA_H */ + |