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embarquement de la fonderie

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Tonton Th 2020-11-02 01:25:00 +01:00
parent 364ce06130
commit d50f2145ba
11 changed files with 681 additions and 5 deletions
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3
.gitignore vendored
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@ -24,6 +24,7 @@ doc/*.idx
doc/*.ilg doc/*.ilg
doc/*.ind doc/*.ind
doc/co*.tex doc/co*.tex
funcs/t funcs/t
funcs/*.o funcs/*.o
funcs/*.png funcs/*.png
@ -61,4 +62,6 @@ tools/fimgfx
tools/*.png tools/*.png
tools/*.tiff tools/*.tiff
Fonderie/*.o
Fonderie/fonderie

28
Fonderie/Makefile Normal file
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@ -0,0 +1,28 @@
COPT = -g -no-pie -Wall -O3 -DDEBUG_LEVEL=0 -Werror=parentheses
LIBS = -lfloatimg -lpnglite -lm
OBJS = fonctions.o sfx.o crapulator.o
DEPS = fonctions.h crapulator.h
fonderie: fonderie.c fonctions.h ${OBJS} Makefile
gcc ${COPT} $< ${OBJS} ${LIBS} -o $@
crapulator.o: crapulator.c ${DEPS}
gcc ${COPT} -c $<
fonctions.o: fonctions.c fonctions.h Makefile
gcc ${COPT} -c $<
sfx.o: sfx.c fonctions.h Makefile
gcc ${COPT} -c $<
# ---------------------------------------------------------
TOTAR = *.c *.h Makefile \
*.sh
# ---------------------------------------------------------

42
Fonderie/crapulator.c Normal file
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/*
* crapulator.c
*/
#include <stdio.h>
#include <stdlib.h>
#include <floatimg.h>
#include "crapulator.h"
/* -------------------------------------------------------------- */
int crapulator(FloatImg *image, int notused)
{
int retval;
FloatImg imgtmp;
#if DEBUG_LEVEL
fprintf(stderr, ">>> %s ( %p %d )\n", __func__, image, notused);
#endif
/* contour 2x2 don't work inplace */
fimg_clone(image, &imgtmp, 0);
/* so we work on a copy */
retval = fimg_contour_2x2(image, &imgtmp, 0);
if (retval) {
fprintf(stderr, "%s : err contour %d\n",
__func__, retval);
exit(1);
}
/* and put back porcessed pixels */
fimg_copy_data(&imgtmp, image);
fimg_destroy(&imgtmp);
return 0;
}
/* -------------------------------------------------------------- */

6
Fonderie/crapulator.h Normal file
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/*
* crapulator.h
*/
int crapulator(FloatImg *image, int notused);

252
Fonderie/fonctions.c Normal file
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/*
* Fonctions de la Fonderie du Cumul
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
* Du code bien cracra / tTh / Tetalab
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <malloc.h>
#include <floatimg.h>
#include "fonctions.h"
/* -------------------------------------------------------------- */
/* global vars from main
*/
extern int verbosity;
/* private vars of this module - it was very dirty
*/
static A_Fifo g_fifo;
/* -------------------------------------------------------------- */
int faire_la_somme(A_Fifo *pfifo, FloatImg *destination, int step)
{
int idx, foo;
FloatImg *pdest;
if (NULL==destination) {
pdest = &(pfifo->total); }
else {
pdest = destination; }
fimg_clear(pdest);
for (idx=0; idx<pfifo->nbslots; idx += step) {
foo = fimg_add_2(&(pfifo->slots[idx]), pdest);
if (foo)
{
fprintf(stderr, "%s: err %d on add_2\n", __func__, foo);
abort();
}
}
return 0;
}
/* -------------------------------------------------------------- */
int post_process_picture(FloatImg *image, int numFx, float fval)
{
int retval = 0;
int foo;
float value;
FloatImg imgtmp;
static int count, flag_debug;
if (666==count) {
flag_debug = 1;
fprintf(stderr, "DEBUG POINT 1 in %s\n", __func__);
fimg_save_as_png(image, "source.png", 0);
}
switch (numFx) {
case 0: /* DO NOTHING */ break;
case 1:
fimg_cos_01(image, image,
fimg_get_maxvalue(image));
break;
case 2:
fimg_cos_010(image, image,
fimg_get_maxvalue(image));
break;
case 3:
value = fimg_get_maxvalue(image);
fimg_mul_cste(image, -1.0);
fimg_add_cste(image, value);
foo = fimg_count_negativ(image);
if (foo) {
fimg_dump_to_file(image, "err.fimg", 0);
fprintf(stderr, "%s negativ %d\n", __func__, foo);
return -78;
}
break;
case 4:
brotche_rand48(image, 0.20,
fimg_get_maxvalue(image));
break;
case 5:
brotche_rand48_b(image, 0.10,
fimg_get_maxvalue(image)*0.8);
break;
case 6:
kill_colors_a(image, 0.0);
break;
case 7:
retval = fimg_colors_mixer_a(image, 2.0);
break;
case 8:
fimg_clone(image, &imgtmp, 0);
fimg_clear(&imgtmp);
if (flag_debug) {
fprintf(stderr, "DEBUG A contour 2x2\n");
fimg_save_as_png(image, "before.png", 0);
fimg_dump_to_file(image, "before.fimg", 0);
}
retval = fimg_contour_2x2(image, &imgtmp, 0);
if (retval) {
fprintf(stderr, "%s : err contour %d\n",
__func__, retval);
exit(1);
}
if (flag_debug) {
fprintf(stderr, "DEBUG B contour 2x2\n");
// fimg_save_as_png(&imgtmp, "contour.png", 0);
fimg_dump_to_file(&imgtmp, "contour.fimg", 0);
}
fimg_copy_data(&imgtmp, image);
fimg_destroy(&imgtmp);
break;
case 9:
retval = fimg_classif_trial(image, image, 0.42, 0);
if (retval) {
fprintf(stderr, "err %d in classif\n", retval);
exit(1);
}
break;
default :
fprintf(stderr, "%s : postproc #%d invalid\n",
__func__, numFx);
return -77;
}
if (flag_debug) {
fprintf(stderr, "DEBUG POINT 2 in %s\n", __func__);
fimg_save_as_png(image, "after.png", 0);
}
count++; flag_debug = 0;
return retval;
}
/* -------------------------------------------------------------- */
/*
* this func save the fifo content as
* - float FIMG
* - 16 bits PNM
* - 8 bits PNG
*/
int export_fifo(char *fname, int postproc, int step)
{
int foo, type;
foo = faire_la_somme(&g_fifo, NULL, step);
/* BEGIN GRUIK CODE */
extern int convert_to_gray;
/* END OF THE KLUGE */
if (convert_to_gray) {
fimg_to_gray(&g_fifo.total);
// fprintf(stderr, "%p gray-washed\n", &fifo.total);
}
foo = post_process_picture(&g_fifo.total, postproc, 0.0);
if (foo) {
fprintf(stderr, "ERR post process picture -> %d\n", foo);
return foo;
}
type = format_from_extension(fname);
switch (type) {
case FILE_TYPE_PNG:
foo = fimg_save_as_png(&g_fifo.total, fname, 0);
break;
case FILE_TYPE_PNM:
foo = fimg_save_as_pnm(&g_fifo.total, fname, 0);
break;
case FILE_TYPE_FIMG:
foo = fimg_dump_to_file(&g_fifo.total, fname, 0);
break;
default:
fprintf(stderr, "%s : type of '%s' unknow\n",
__func__, fname);
foo = 888;
break;
}
if (foo) {
fprintf(stderr, "ERR EXPORT '%s' is %d\n", fname, foo);
exit(3);
}
return 0;
}
/* -------------------------------------------------------------- */
int insert_picture(FloatImg *src)
{
FloatImg *dst;
int nbre;
/*
* this is the where we can insert the 'input filter'
*/
dst = &g_fifo.slots[g_fifo.next];
nbre = dst->width * dst->height * dst->type;
memcpy(dst->R, src->R, nbre*sizeof(float));
g_fifo.next++, g_fifo.next %= g_fifo.nbslots;
// maybe we can write :
// (++fifo.next) %= fifo.nbslots;
if (verbosity > 2) fprintf(stderr, "%s : next slot %d\n",
__func__, g_fifo.next);
return 0;
}
/* -------------------------------------------------------------- */
int create_fifo(int nbslot, int w, int h, int t)
{
int foo, idx;
#if DEBUG_LEVEL
fprintf(stderr, ">>> %s ( %d %dx%d %d )\n", __func__,
nbslot, w, h, t);
#endif
memset(&g_fifo, 0, sizeof(A_Fifo));
g_fifo.nbslots = nbslot;
g_fifo.slots = calloc(nbslot, sizeof(FloatImg));
if (NULL==g_fifo.slots) abort();
for (idx=0; idx<nbslot; idx++) {
foo = fimg_create(&g_fifo.slots[idx], w, h, t);
if (foo) {
fprintf(stderr, "%s idx %d err%d\n", __func__, idx, foo);
return foo;
}
}
foo = fimg_create(&g_fifo.total, w, h, t);
g_fifo.next = 0;
g_fifo.magic = MAGIC_FIFO;
return 0;
}
/* -------------------------------------------------------------- */

49
Fonderie/fonctions.h Normal file
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@ -0,0 +1,49 @@
/*
* Machine qui fait des fils flous
*/
/* -------------------------------------------------------------- */
typedef struct {
unsigned long magic;
int nbslots; /* how many pics used ? */
FloatImg total; /* computing workspace */
FloatImg wspace; /* computing workspace */
FloatImg *slots; /* circular buffer */
int next; /* incremented with modulo */
} A_Fifo;
#define MAGIC_FIFO 0xabcd9876
typedef struct {
unsigned long magic;
int blanks; /* ???? */
float fk;
int preproc, postproc;
int step; /* for fifo export */
} ControlBloc;
#define MAGIC_CTRLB 0xabcdfefe
/* -------------------------------------------------------------- */
int export_fifo(char *fname, int postproc, int step);
int insert_picture(FloatImg *src);
int create_fifo(int nbslot, int w, int h, int t);
/* -------------------------------------------------------------- */
/*
* funcs in 'sfx.c'
*/
int brotche_rand48(FloatImg *fimg, float ratio, float mval);
int brotche_rand48_b(FloatImg *fimg, float ratio, float mval);
int kill_colors_a(FloatImg *fimg, float fval);
int colors_brotcher(FloatImg *fimg, float fval);
/* -------------------------------------------------------------- */

191
Fonderie/fonderie.c Normal file
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@ -0,0 +1,191 @@
/*
* FONDERIE
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <glob.h>
#include <floatimg.h>
#include "fonctions.h"
#include "crapulator.h"
int verbosity;
int convert_to_gray;
/* -------------------------------------------------------------- */
int traite_une_image(FloatImg *image, int proc, int step)
{
static int numero;
int foo;
char ligne[200];
/* here, we put the picz in the fifo machinery */
foo = insert_picture(image);
if (foo) {
fprintf(stderr, "%s : err %d on insert\n", __func__, foo);
return foo;
}
sprintf(ligne, "p8/%05d.png", numero);
foo = export_fifo(ligne, proc, step);
if (foo) {
fprintf(stderr, "%s : err %d on export\n", __func__, foo);
return foo;
}
numero++; /* VERY IMPORTANT :) */
return 0;
}
/* -------------------------------------------------------------- */
int insert_blank(FloatImg *image, int nbre, int pproc)
{
int idx, foo;
fimg_clear(image);
for (idx=0; idx<nbre; idx++) {
fimg_hdeg_a(image, 16.64);
brotche_rand48_b(image, drand48()*0.10, 1e5);
if ((foo=traite_une_image(image, pproc, 1))) {
fprintf(stderr, "%s : err %d from 'traite_une_image'\n",
__func__, foo);
break;
}
printf("\t%c\r", "ABCDEF"[idx%6]); fflush(stdout);
}
puts("");
return 0;
}
/* -------------------------------------------------------------- */
#define BLANK 30
int demarre_la_machine(char *pattern, char *outdir, int szfifo,
int outfx, int step)
{
int foo, idx;
glob_t globbuf;
char *cptr;
FloatImg input;
double fin;
#if DEBUG_LEVEL
fprintf(stderr, ">>> %s ( '%s' -> '%s' %d )\n", __func__,
pattern, outdir, szfifo);
#endif
fprintf(stderr, "\tstep is %d\n", step);
(void)fimg_timer_set(0);
if (outfx) fprintf(stderr, "\tout fx #%d\n", outfx);
else fprintf(stderr, "\tno out fx\n");
foo = create_fifo(szfifo, 640, 480, FIMG_TYPE_RGB);
fprintf(stderr, "init fifo (%d slots) --> %d\n", szfifo, foo);
fimg_create(&input, 640, 480, 3);
/* XXX inject a few stange pics in the fifo */
insert_blank(&input, BLANK, outfx);
memset(&globbuf, 0, sizeof(glob_t));
foo = glob(pattern, 0, NULL, &globbuf);
fprintf(stderr, "glob '%s' -> %d, %ld files found\n", pattern, foo,
globbuf.gl_pathc);
for (idx=0; idx<globbuf.gl_pathc; idx++) {
cptr = globbuf.gl_pathv[idx];
/* first step : read the current grabed picz from disk,
and put it in our private buffer */
foo = fimg_load_from_dump(cptr, &input);
if (foo) {
fprintf(stderr, "load #%d from dump -> %d\n", idx, foo);
continue;
}
/* ========================= */
/* FSCKING INPUT FILTER HERE */
foo = crapulator(&input, idx);
if (foo) {
fprintf(stderr, "%s crapulator -> %d\n", __func__, foo);
exit(1);
}
foo = traite_une_image(&input, outfx, step);
if (foo) {
fprintf(stderr, "traitement %s -> %d WTF?\n", cptr, foo);
break;
}
fprintf(stderr, "\t%5d\r", idx);
}
fputs("\n", stderr);
insert_blank(&input, BLANK, outfx);
fin = fimg_timer_get(0);
if (idx) {
fprintf(stderr, "\nelapsed %.2f seconds, %.2f s/pic\n", fin, fin/idx);
}
else {
fprintf(stderr, "\nelapsed %.2f seconds\n", fin);
}
return 8;
}
/* -------------------------------------------------------------- */
int main (int argc, char *argv[])
{
int foo, opt;
int fifosize = 10;
char *in_pattern = "capture/?????.fimg";
char *out_dir = "p8";
int out_effect = 0;
int steps = 1;
// float maxlevel = 2500.0;
fprintf(stderr, "*** %s : compiled by tTh, %s %s\n", argv[0],
__DATE__, __TIME__);
fimg_print_version(2);
while ((opt = getopt(argc, argv, "gI:O:s:T:vx:")) != -1) {
switch(opt) {
case 'g': convert_to_gray = 1;
break;
case 'I': in_pattern = optarg;
break;
case 'O': out_dir = optarg;
break;
case 'T': fifosize = atoi(optarg);
break;
case 'v': verbosity++;
break;
case 'x': out_effect = atoi(optarg);
break;
case 's': steps = atoi(optarg);
break;
}
}
foo = demarre_la_machine(in_pattern, out_dir, fifosize, out_effect, steps);
fprintf(stderr, "retour du big-run de la machine -> %d\n", foo);
return 0;
}
/* -------------------------------------------------------------- */

101
Fonderie/sfx.c Normal file
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@ -0,0 +1,101 @@
/*
* SPECIAL EFFECTS
*
* Du code bien cracra / tTh / Tetalab
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <malloc.h>
#include <floatimg.h>
#include "fonctions.h"
/* -------------------------------------------------------------- */
/* global vars from main
*/
extern int verbosity;
/* -------------------------------------------------------------- */
int brotche_rand48(FloatImg *fimg, float ratio, float mval)
{
int nbpix, todo, foo;
int x, y;
float fval;
nbpix = fimg->width * fimg->height;
todo = (int)((float)nbpix * ratio);
if (verbosity > 1)
fprintf(stderr, "ratio %f nbpix %d todo %d\n", ratio, nbpix, todo);
for (foo=0; foo<todo; foo++)
{
fval = (float)drand48() * mval;
x = rand() % fimg->width;
y = rand() % fimg->height;
fimg_plot_rgb(fimg, x, y, fval, fval, fval);
}
return 0;
}
/* -------------------------------------------------------------- */
int brotche_rand48_b(FloatImg *fimg, float ratio, float mval)
{
int nbpix, todo, foo;
int x, y;
float fval;
nbpix = fimg->width * fimg->height;
todo = (int)((float)nbpix * ratio);
if (verbosity > 1) {
fprintf(stderr, "ratio %f nbpix %d todo %d\n",
ratio, nbpix, todo);
}
for (foo=0; foo<todo; foo++)
{
fval = (float)drand48() * mval;
x = 1 + (rand() % (fimg->width-2));
y = rand() % fimg->height;
fimg_plot_rgb(fimg, x-1, y, fval, 0.0, 0.0);
fimg_plot_rgb(fimg, x , y, 0.0, 0.0, fval);
fimg_plot_rgb(fimg, x+1, y, 0.0, fval, 0.0);
}
return 0;
}
/* -------------------------------------------------------------- */
/*
* OMG ! a Color Graphic Adaptor emulator :)
*/
int kill_colors_a(FloatImg *fimg, float fval)
{
int nbpix, foo;
if (FIMG_TYPE_RGB != fimg->type) {
fprintf(stderr, "%s: bad src type %d on %p\n", __func__,
fimg->type, fimg);
return -8;
}
nbpix = fimg->width * fimg->height;
for (foo=0; foo<nbpix; foo++) {
if (fimg->R[foo] > fimg->G[foo])
fimg->B[foo] = fimg->R[foo];
else
fimg->B[foo] = fimg->G[foo];
}
return 0;
}
/* -------------------------------------------------------------- */
/* -------------------------------------------------------------- */

8
README.md
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@ -19,8 +19,8 @@ le canal IRC #tetalab sur le réseau de
Par ailleurs, d'autres expérimentations sont Par ailleurs, d'autres expérimentations sont
[en cours](http://la.buvette.org/photos/cumul/fonderie/vidz.html#interpolator) [en cours](http://la.buvette.org/photos/cumul/fonderie/vidz.html#interpolator)
sur le traitement et l'assemblage de ces images floues dans le but de faire sur le traitement et l'assemblage de ces images floues dans le but de faire
des films flous. Je sais aussi qu'un autre _diehard coder_ travaille sur la des films flous.
parallélisation de certaines opérations.
Un logiciel à base de [moyenne mobile](fonderie/) est en bonne voie.
*En avant vers l'infini, et au-delà...* *En avant vers l'infini, et au-delà...*

3
funcs/contour2x2.c
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@ -83,6 +83,9 @@ for (y=0; y<psrc->height-1; y++) {
} }
/* kill potential NaN values in last row or last column */
fimg_killborders(pdst);
return 0; return 0;
} }
/* --------------------------------------------------------------------- */ /* --------------------------------------------------------------------- */

3
funcs/filtrage.c
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@ -168,7 +168,8 @@ for (idx=0; idx<w; idx++) {
fimg_plot_rgb(img, idx, h-1, 0.0, 0.0, 0.0); fimg_plot_rgb(img, idx, h-1, 0.0, 0.0, 0.0);
#endif #endif
} }
return -1;
return 0;
} }
/* -------------------------------------------------------------------- */ /* -------------------------------------------------------------------- */
int fimg_lissage_2x2(FloatImg *img) int fimg_lissage_2x2(FloatImg *img)