diff options
Diffstat (limited to 'converter/other/fiasco/codec/coder.c')
| -rw-r--r-- | converter/other/fiasco/codec/coder.c | 142 |
1 files changed, 71 insertions, 71 deletions
diff --git a/converter/other/fiasco/codec/coder.c b/converter/other/fiasco/codec/coder.c index 1e21994d..dc774a19 100644 --- a/converter/other/fiasco/codec/coder.c +++ b/converter/other/fiasco/codec/coder.c @@ -2,7 +2,7 @@ * coder.c: WFA coder toplevel functions * * Written by: Ullrich Hafner - * + * * This file is part of FIASCO (Fractal Image And Sequence COdec) * Copyright (C) 1994-2000 Ullrich Hafner */ @@ -56,7 +56,7 @@ /***************************************************************************** global variables - + *****************************************************************************/ const real_t MAXCOSTS = 1e20; @@ -64,7 +64,7 @@ const real_t MAXCOSTS = 1e20; /***************************************************************************** private code - + *****************************************************************************/ static char * @@ -109,44 +109,44 @@ get_input_image_name (char const * const *templptr, unsigned ith_image) strcpy (prefix, template); prefix [s - template] = '\0'; - + for (s2 = ++s, n_digits = 0; ISDIGIT (*s2); s2++, n_digits++) ; if (sscanf (s, "%d", &dummy) == 0 || dummy < 0) error ("Input name template conversion failure.\n" "Check spelling of template."); first = (unsigned) dummy; - + if (*s2++ != '-') error ("Input name template conversion failure.\n" "Check spelling of template."); - + for (s = s2; ISDIGIT (*s2); s2++) ; if (sscanf (s, "%d", &dummy) == 0 || dummy < 0) error ("Input name template conversion failure.\n" "Check spelling of template."); last = (unsigned) dummy; - - if (*s2 == '+' || *s2 == '-') + + if (*s2 == '+' || *s2 == '-') { for (s = s2++; ISDIGIT (*s2); s2++) ; if (sscanf (s, "%d", &increment) == 0) error ("Input name template conversion failure.\n" "Check spelling of template."); - } + } if (*s2 != ']') error ("Input name template conversion failure.\n" "Check spelling of template."); suffix = s2 + 1; - + image_num = first + increment * ith_image; if (image_num < 0) error ("Input name template conversion failure.\n" "Check spelling of template."); - - if ((increment > 0 && (unsigned) image_num > last) || + + if ((increment > 0 && (unsigned) image_num > last) || (increment <= 0 && (unsigned) image_num < last)) { /* TODO: check this */ @@ -158,7 +158,7 @@ get_input_image_name (char const * const *templptr, unsigned ith_image) /* format string for image filename */ char image_name [MAXSTRLEN]; /* image file name to be composed */ - + strcpy (formatstr, "%s%0?d%s"); formatstr [4] = '0' + (char) n_digits; sprintf (image_name, formatstr, prefix, image_num, suffix); @@ -167,7 +167,7 @@ get_input_image_name (char const * const *templptr, unsigned ith_image) } } return NULL; -} +} @@ -191,7 +191,7 @@ alloc_coder (char const * const * const inputname, coding_t * c; c = NULL; /* initial value */ - + /* * Check whether all specified image frames are readable and of same type */ @@ -200,7 +200,7 @@ alloc_coder (char const * const * const inputname, int width, w = 0, height, h = 0; bool_t color, c = NO; unsigned n; - + for (n = 0; (filename = get_input_image_name (inputname, n)); n++) { xelval maxval; @@ -220,7 +220,7 @@ alloc_coder (char const * const * const inputname, pm_close(file); } color = (PNM_FORMAT_TYPE(format) == PPM_FORMAT) ? TRUE: FALSE; - + if (n > 0) { if (w != width || h != height || c != color) @@ -249,13 +249,13 @@ alloc_coder (char const * const * const inputname, */ { unsigned lx, ly; - + lx = (unsigned) (log2 (wi->width - 1) + 1); ly = (unsigned) (log2 (wi->height - 1) + 1); - + wi->level = MAX(lx, ly) * 2 - ((ly == lx + 1) ? 1 : 0); } - + c = Calloc (1, sizeof (coding_t)); c->options = *options; @@ -278,10 +278,10 @@ alloc_coder (char const * const * const inputname, c->options.lc_max_level, wi->level - c->tiling->exponent - 1); c->options.lc_max_level = wi->level - c->tiling->exponent - 1; } - + if (c->options.lc_min_level > c->options.lc_max_level) c->options.lc_min_level = c->options.lc_max_level; - + /* * p_min_level, p_max_level min and max level for ND/MC prediction * [p_min_level, p_max_level] must be a subset of [min_level, max_level] ! @@ -293,7 +293,7 @@ alloc_coder (char const * const * const inputname, c->options.images_level = MIN(c->options.images_level, c->options.lc_max_level - 1); - + c->products_level = MAX(0, ((signed int) c->options.lc_max_level - (signed int) c->options.images_level - 1)); c->pixels = Calloc (size_of_level (c->options.lc_max_level), @@ -301,7 +301,7 @@ alloc_coder (char const * const * const inputname, c->images_of_state = Calloc (MAXSTATES, sizeof (real_t *)); c->ip_images_state = Calloc (MAXSTATES, sizeof (real_t *)); c->ip_states_state = Calloc (MAXSTATES * MAXLEVEL, sizeof (real_t *)); - + debug_message ("Imageslevel :%d, Productslevel :%d", c->options.images_level, c->products_level); debug_message ("Memory : (%d + %d + %d * 'states') * 'states' + %d", @@ -309,7 +309,7 @@ alloc_coder (char const * const * const inputname, size_of_tree (c->products_level) * 4, (c->options.lc_max_level - c->options.images_level), size_of_level (c->options.lc_max_level)); - + /* * Domain pools ... */ @@ -333,7 +333,7 @@ alloc_coder (char const * const * const inputname, */ wi->title = strdup (options->title); wi->comment = strdup (options->comment); - + /* * Reduced precision format */ @@ -345,7 +345,7 @@ alloc_coder (char const * const * const inputname, = alloc_rpf (options->d_rpf_mantissa, options->d_rpf_range); wi->d_dc_rpf = alloc_rpf (options->d_dc_rpf_mantissa, options->d_dc_rpf_range); - + /* * Color image options ... */ @@ -361,7 +361,7 @@ alloc_coder (char const * const * const inputname, wi->cross_B_search = options->half_pixel_prediction; wi->B_as_past_ref = options->B_as_past_ref; wi->smoothing = options->smoothing; - + c->mt = alloc_motion (wi); return c; @@ -383,7 +383,7 @@ free_coder (coding_t *c) { free_tiling (c->tiling); free_motion (c->mt); - + Free (c->pixels); Free (c->images_of_state); Free (c->ip_images_state); @@ -424,13 +424,13 @@ print_statistics (char c, real_t costs, const wfa_t *wfa, const image_t *image, const range_t *range) { unsigned max_level, min_level, state, label, lincomb; - + for (max_level = 0, min_level = MAXLEVEL, state = wfa->basis_states; state < wfa->states; state++) { for (lincomb = 0, label = 0; label < MAXLABELS; label++) lincomb += isrange(wfa->tree[state][label]) ? 1 : 0; - + if (lincomb) { max_level = MAX(max_level, @@ -483,10 +483,10 @@ print_statistics (char c, real_t costs, const wfa_t *wfa, const image_t *image, -static void +static void frame_coder (wfa_t *wfa, coding_t *c, bitfile_t *output) /* - * + * * WFA Coding of next frame. All important coding parameters are * stored in 'c'. The generated 'wfa' is written to stream 'output' * immediately after coding. @@ -499,11 +499,11 @@ frame_coder (wfa_t *wfa, coding_t *c, bitfile_t *output) real_t costs; /* total costs (minimized quantity) */ unsigned bits; /* number of bits written on disk */ clock_t ptimer; - + prg_timer (&ptimer, START); bits = bits_processed (output); - + init_tree_model (&c->tree); init_tree_model (&c->p_tree); @@ -552,9 +552,9 @@ frame_coder (wfa_t *wfa, coding_t *c, bitfile_t *output) int YCb_node = -1; int tree [3]; /* 3 root states of each color comp. */ color_e band; - + /* - * When compressing color images, the three color components (YCbCr) + * When compressing color images, the three color components (YCbCr) * are copied into a large image: * [ Y Cr ] * [ Cb 0 ] @@ -573,14 +573,14 @@ frame_coder (wfa_t *wfa, coding_t *c, bitfile_t *output) c->domain_pool->chroma (wfa->wfainfo->chroma_max_states, wfa, c->domain_pool->model); /* - * Don't use a finer partioning for the chrominancy bands than - * for the luminancy band. + * Don't use a finer partitioning for the chrominancy bands + * than for the luminancy band. */ for (min_level = MAXLEVEL, state = wfa->basis_states; state < wfa->states; state++) { unsigned lincomb, label; - + for (lincomb = 0, label = 0; label < MAXLABELS; label++) lincomb += isrange (wfa->tree [state][label]) ? 1 : 0; if (lincomb) @@ -596,23 +596,23 @@ frame_coder (wfa_t *wfa, coding_t *c, bitfile_t *output) memset (&range, 0, sizeof (range_t)); range.level = wfa->wfainfo->level; - + costs = subdivide (MAXCOSTS, band, tree [Y], &range, wfa, c, c->mt->frame_type != I_FRAME && band == Y, NO); if (c->options.progress_meter != FIASCO_PROGRESS_NONE) message (""); { char colors [] = {'Y', 'B', 'R'}; - + print_statistics (colors [band], costs, wfa, c->mt->original, &range); } - + if (isrange (range.tree)) /* whole image is approx. by a l.c. */ error ("No root state generated for color component %d!", band); else tree[band] = range.tree; - + if (band == Cb) { wfa->tree [wfa->states][0] = tree[Y]; @@ -623,13 +623,13 @@ frame_coder (wfa_t *wfa, coding_t *c, bitfile_t *output) } } /* - * generate two virtual states (*) + * generate two virtual states (*) * * * * / \ * + * - * / \ / - * Y CbCr + * / \ / + * Y CbCr */ wfa->tree [wfa->states][0] = tree[Cr]; wfa->tree [wfa->states][1] = RANGE; @@ -646,7 +646,7 @@ frame_coder (wfa_t *wfa, coding_t *c, bitfile_t *output) for (state = wfa->basis_states; state < MAXSTATES; state++) { unsigned level; - + if (c->images_of_state [state]) { Free (c->images_of_state [state]); @@ -665,12 +665,12 @@ frame_coder (wfa_t *wfa, coding_t *c, bitfile_t *output) Free (c->ip_states_state [state][level]); c->ip_states_state [state][level] = NULL; } - + } - + locate_delta_images (wfa); write_next_wfa (wfa, c, output); - + bits = bits_processed (output) - bits; debug_message ("Total number of bits written: %d (%d bytes, %5.3f bpp)", bits, bits >> 3, @@ -712,7 +712,7 @@ video_coder(char const * const * const image_template, /* image name of current frame. File name or "-" for Standard Input */ image_t *reconst = NULL; /* decoded reference image */ bool_t future_frame = NO; /* YES if last frame was in future */ - + debug_message ("Generating %d WFA's ...", wfa->wfainfo->frames); future_display = -1; @@ -722,7 +722,7 @@ video_coder(char const * const * const image_template, while ((image_name = get_input_image_name (image_template, display))) { frame_type_e type; /* current frame type: I, B, P */ - + /* * Determine type of next frame. * Skip already coded frames (future reference!) @@ -731,7 +731,7 @@ video_coder(char const * const * const image_template, type = I_FRAME; /* Force first frame to be intra */ else type = pattern2type (display, c->options.pattern); - + if (type != I_FRAME && c->options.reference_filename) /* Load reference from disk */ { @@ -741,12 +741,12 @@ video_coder(char const * const * const image_template, c->options.reference_filename = NULL; } if ((int) display == future_display) - { + { /* Skip already coded future ref */ display++; continue; - } - else if (type == B_FRAME && (int) display > future_display) + } + else if (type == B_FRAME && (int) display > future_display) { unsigned i = display; /* @@ -758,7 +758,7 @@ video_coder(char const * const * const image_template, i++; name = get_input_image_name (image_template, i); - + if (!name) /* Force last valid frame to be 'P' */ { future_display = i - 1; @@ -766,7 +766,7 @@ video_coder(char const * const * const image_template, } else { - future_display = i; + future_display = i; image_name = name; type = pattern2type (i, c->options.pattern); } @@ -781,7 +781,7 @@ video_coder(char const * const * const image_template, debug_message ("Coding \'%s\' [%c-frame].", image_name, type == I_FRAME ? 'I' : (type == P_FRAME ? 'P' : 'B')); - + /* * Depending on current frame type update past and future frames * which are needed as reference frames. @@ -846,10 +846,10 @@ video_coder(char const * const * const image_template, c->mt->original = read_image_stream(stdin, stdinwidth, stdinheight, stdinmaxval, stdinformat); - else + else c->mt->original = read_image_file(image_name); - if (c->tiling->exponent && type == I_FRAME) + if (c->tiling->exponent && type == I_FRAME) perform_tiling (c->mt->original, c->tiling); frame_coder (wfa, c, output); @@ -869,7 +869,7 @@ video_coder(char const * const * const image_template, if (c->mt->original) free_image (c->mt->original); c->mt->original = NULL; - + remove_states (wfa->basis_states, wfa); /* Clear WFA structure */ } @@ -927,7 +927,7 @@ read_stdin_header(const char * const * const template, /***************************************************************************** public code - + *****************************************************************************/ int @@ -957,7 +957,7 @@ fiasco_coder (char const * const *inputname, const char *outputname, unsigned int stdinheight, stdinwidth; xelval stdinmaxval; int stdinformat; - + /* * Check parameters */ @@ -965,7 +965,7 @@ fiasco_coder (char const * const *inputname, const char *outputname, template = default_input; else template = inputname; - + if (quality <= 0) { set_error (_("Compression quality has to be positive.")); @@ -1013,20 +1013,20 @@ fiasco_coder (char const * const *inputname, const char *outputname, coding_t *c = alloc_coder(template, cop, wfa->wfainfo, stdinwidth, stdinheight, stdinmaxval, stdinformat); - + read_basis (cop->basis_name, wfa); append_basis_states (wfa->basis_states, wfa, c); - + c->price = 128 * 64 / quality; - + video_coder (template, output, wfa, c, stdinwidth, stdinheight, stdinmaxval, stdinformat); - + close_bitfile (output); free_wfa (wfa); free_coder (c); - + if (default_options) fiasco_c_options_delete (default_options); } |