diff options
Diffstat (limited to 'converter/other/fiasco/codec/prediction.c')
| -rw-r--r-- | converter/other/fiasco/codec/prediction.c | 114 |
1 files changed, 57 insertions, 57 deletions
diff --git a/converter/other/fiasco/codec/prediction.c b/converter/other/fiasco/codec/prediction.c index e78e5acc..c592baa5 100644 --- a/converter/other/fiasco/codec/prediction.c +++ b/converter/other/fiasco/codec/prediction.c @@ -1,9 +1,9 @@ /* - * prediction.c: Range image prediction with MC or ND + * prediction.c: Range image prediction with MC or ND * * Written by: Ullrich Hafner * Michael Unger - * + * * This file is part of FIASCO (Fractal Image And Sequence COdec) * Copyright (C) 1994-2000 Ullrich Hafner */ @@ -41,7 +41,7 @@ /***************************************************************************** local variables - + *****************************************************************************/ typedef struct state_data @@ -71,7 +71,7 @@ typedef struct state_data /***************************************************************************** prototypes - + *****************************************************************************/ static real_t @@ -90,9 +90,9 @@ restore_state_data (unsigned from, unsigned to, unsigned max_level, /***************************************************************************** public code - + *****************************************************************************/ - + real_t predict_range (real_t max_costs, real_t price, range_t *range, wfa_t *wfa, coding_t *c, unsigned band, int y_state, unsigned states, @@ -124,11 +124,11 @@ predict_range (real_t max_costs, real_t price, range_t *range, wfa_t *wfa, rec_d_coeff_model = c->d_coeff->model; rec_tree_model = c->tree; rec_p_tree_model = c->p_tree; - rec_states = wfa->states; + rec_states = wfa->states; rec_pixels = c->pixels; rec_state_data = store_state_data (states, rec_states - 1, c->options.lc_max_level, wfa, c); - + /* * Restore probability models to the state before the recursive subdivision * has been started. @@ -141,14 +141,14 @@ predict_range (real_t max_costs, real_t price, range_t *range, wfa_t *wfa, c->coeff->model = c->coeff->model_duplicate (c->coeff, coeff_model); c->d_coeff->model = c->d_coeff->model_duplicate (c->d_coeff, d_coeff_model); - + if (c->mt->frame_type == I_FRAME) - costs = nd_prediction (max_costs, price, band, y_state, range, wfa, c); + costs = nd_prediction (max_costs, price, band, y_state, range, wfa, c); else costs = mc_prediction (max_costs, price, band, y_state, range, wfa, c); - + c->pixels = rec_pixels; - + if (costs < MAXCOSTS) { /* @@ -187,25 +187,25 @@ predict_range (real_t max_costs, real_t price, range_t *range, wfa_t *wfa, c->d_domain_pool->model_free (c->d_domain_pool->model); c->coeff->model_free (c->coeff->model); c->d_coeff->model_free (c->d_coeff->model); - + c->domain_pool->model = rec_domain_model; c->d_domain_pool->model = rec_d_domain_model; c->coeff->model = rec_coeff_model; c->d_coeff->model = rec_d_coeff_model; c->tree = rec_tree_model; c->p_tree = rec_p_tree_model; - + range->prediction = NO; - + if (wfa->states != states) remove_states (states, wfa); restore_state_data (states, rec_states - 1, c->options.lc_max_level, rec_state_data, wfa, c); costs = MAXCOSTS; } - + return costs; -} +} void clear_norms_table (unsigned level, const wfa_info_t *wi, motion_t *mt) @@ -238,11 +238,11 @@ update_norms_table (unsigned level, const wfa_info_t *wi, motion_t *mt) unsigned range_size = wi->half_pixel ? square (wi->search_range) : square (2 * wi->search_range); - + if (level > wi->p_min_level) { unsigned index; /* index of motion vector */ - + for (index = 0; index < range_size; index++) mt->mc_forward_norms [level][index] += mt->mc_forward_norms [level - 1][index]; @@ -256,7 +256,7 @@ update_norms_table (unsigned level, const wfa_info_t *wi, motion_t *mt) /***************************************************************************** private code - + *****************************************************************************/ static real_t @@ -273,7 +273,7 @@ mc_prediction (real_t max_costs, real_t price, unsigned band, int y_state, * If we are at the bottom level of the mc tree: * Fill in the norms table */ - if (prange.level == wfa->wfainfo->p_min_level) + if (prange.level == wfa->wfainfo->p_min_level) fill_norms_table (prange.x, prange.y, prange.level, wfa->wfainfo, c->mt); /* * Predict 'range' with motion compensation according to frame type. @@ -283,19 +283,19 @@ mc_prediction (real_t max_costs, real_t price, unsigned band, int y_state, find_P_frame_mc (mcpe, price, &prange, wfa->wfainfo, c->mt); else find_B_frame_mc (mcpe, price, &prange, wfa->wfainfo, c->mt); - + costs = (prange.mv_tree_bits + prange.mv_coord_bits) * price; - + if (costs < max_costs) /* motion vector not too expensive */ { unsigned last_state; /* last WFA state before recursion */ real_t *ipi [MAXSTATES]; /* inner products pointers */ unsigned state; real_t mvt, mvc; - + c->pixels = Calloc (width * height, sizeof (real_t)); cut_to_bintree (c->pixels, mcpe, width, height, 0, 0, width, height); - + /* * Approximate MCPE recursively. */ @@ -310,7 +310,7 @@ mc_prediction (real_t max_costs, real_t price, unsigned band, int y_state, mvc = prange.mv_coord_bits; mvt = prange.mv_tree_bits; - + prange.image = 0; prange.address = 0; prange.tree_bits = 0; @@ -329,7 +329,7 @@ mc_prediction (real_t max_costs, real_t price, unsigned band, int y_state, if (costs < max_costs) /* use motion compensation */ { unsigned img, adr; /* temp. values */ - + img = range->image; adr = range->address; *range = prange; @@ -362,7 +362,7 @@ mc_prediction (real_t max_costs, real_t price, unsigned band, int y_state, } else costs = MAXCOSTS; - + Free (mcpe); return costs; @@ -374,7 +374,7 @@ nd_prediction (real_t max_costs, real_t price, unsigned band, int y_state, { real_t costs; /* current approximation costs */ range_t lrange = *range; - + /* * Predict 'range' with DC component approximation */ @@ -397,11 +397,11 @@ nd_prediction (real_t max_costs, real_t price, unsigned band, int y_state, lrange.weights_bits = c->coeff->bits (&w, s, range->level, c->coeff); } costs = price * (lrange.weights_bits + lrange.nd_tree_bits); - + /* - * Recursive aproximation of difference image + * Recursive approximation of difference image */ - if (costs < max_costs) + if (costs < max_costs) { unsigned state; range_t rrange; /* range: recursive subdivision */ @@ -418,14 +418,14 @@ nd_prediction (real_t max_costs, real_t price, unsigned band, int y_state, unsigned n; real_t *src, *dst; /* pointers to image data */ real_t w = - lrange.weight [0] * c->images_of_state [0][0]; - - src = c->pixels + range->address * size_of_level (range->level); + + src = c->pixels + range->address * size_of_level (range->level); dst = c->pixels = pixels = Calloc (width * height, sizeof (real_t)); for (n = width * height; n; n--) *dst++ = *src++ + w; } - + /* * Approximate difference recursively. */ @@ -448,13 +448,13 @@ nd_prediction (real_t max_costs, real_t price, unsigned band, int y_state, c->ip_images_state[state] = Calloc (size_of_tree (c->products_level), sizeof (real_t)); } - + compute_ip_images_state (rrange.image, rrange.address, rrange.level, 1, 0, wfa, c); - + costs += subdivide (max_costs - costs, band, y_state, &rrange, wfa, c, NO, YES); - + Free (pixels); if (costs < max_costs && ischild (rrange.tree)) /* use prediction */ @@ -469,7 +469,7 @@ nd_prediction (real_t max_costs, real_t price, unsigned band, int y_state, range->address = adr; range->nd_tree_bits += lrange.nd_tree_bits; range->nd_weights_bits += lrange.weights_bits; - + for (edge = 0; isedge (lrange.into [edge]); edge++) { range->into [edge] = lrange.into [edge]; @@ -485,7 +485,7 @@ nd_prediction (real_t max_costs, real_t price, unsigned band, int y_state, } else costs = MAXCOSTS; - + for (state = 0; state <= last_state; state++) if (need_image (state, wfa)) { @@ -515,9 +515,9 @@ store_state_data (unsigned from, unsigned to, unsigned max_level, if (to < from) return NULL; /* nothing to do */ - + data = Calloc (to - from + 1, sizeof (state_data_t)); - + for (state = from; state <= to; state++) { sd = &data [state - from]; @@ -527,12 +527,12 @@ store_state_data (unsigned from, unsigned to, unsigned max_level, sd->domain_type = wfa->domain_type [state]; sd->images_of_state = c->images_of_state [state]; sd->inner_products = c->ip_images_state [state]; - + wfa->domain_type [state] = 0; c->images_of_state [state] = NULL; c->ip_images_state [state] = NULL; - - for (label = 0; label < MAXLABELS; label++) + + for (label = 0; label < MAXLABELS; label++) { sd->tree [label] = wfa->tree [state][label]; sd->y_state [label] = wfa->y_state [state][label]; @@ -542,11 +542,11 @@ store_state_data (unsigned from, unsigned to, unsigned max_level, sd->y [label] = wfa->y [state][label]; sd->prediction [label] = wfa->prediction [state][label]; - memcpy (sd->weight [label], wfa->weight [state][label], + memcpy (sd->weight [label], wfa->weight [state][label], sizeof (real_t) * (MAXEDGES + 1)); - memcpy (sd->int_weight [label], wfa->int_weight [state][label], + memcpy (sd->int_weight [label], wfa->int_weight [state][label], sizeof (word_t) * (MAXEDGES + 1)); - memcpy (sd->into [label], wfa->into [state][label], + memcpy (sd->into [label], wfa->into [state][label], sizeof (word_t) * (MAXEDGES + 1)); wfa->into [state][label][0] = NO_EDGE; @@ -569,7 +569,7 @@ restore_state_data (unsigned from, unsigned to, unsigned max_level, state_data_t *data, wfa_t *wfa, coding_t *c) /* * Restore all state data starting from state 'from'. - * + * * No return value. */ { @@ -578,15 +578,15 @@ restore_state_data (unsigned from, unsigned to, unsigned max_level, if (to < from) return; /* nothing to do */ - + for (state = from; state <= to; state++) { sd = &data [state - from]; - + wfa->final_distribution [state] = sd->final_distribution; wfa->level_of_state [state] = sd->level_of_state; wfa->domain_type [state] = sd->domain_type; - + if (c->images_of_state [state] != NULL) Free (c->images_of_state [state]); c->images_of_state [state] = sd->images_of_state; @@ -603,14 +603,14 @@ restore_state_data (unsigned from, unsigned to, unsigned max_level, wfa->x [state][label] = sd->x [label]; wfa->y [state][label] = sd->y [label]; wfa->prediction [state][label] = sd->prediction [label]; - - memcpy (wfa->weight [state][label], sd->weight [label], + + memcpy (wfa->weight [state][label], sd->weight [label], sizeof(real_t) * (MAXEDGES + 1)); - memcpy (wfa->int_weight [state][label], sd->int_weight [label], + memcpy (wfa->int_weight [state][label], sd->int_weight [label], sizeof(word_t) * (MAXEDGES + 1)); - memcpy (wfa->into [state][label], sd->into [label], + memcpy (wfa->into [state][label], sd->into [label], sizeof(word_t) * (MAXEDGES + 1)); - } + } for (level = c->options.images_level + 1; level <= max_level; level++) { |