planomuxer: step 1

.gitignore

@@ -84,4 +84,5 @@ experiment/extracteur
 experiment/*.fimg
 experiment/*.pnm
 experiment/*.o
+experiment/muxplanes
 

experiment/Makefile

@@ -6,10 +6,13 @@ COPT = -Wall -fpic -g -DDEBUG_LEVEL=1 -lm
 DEPS = ../floatimg.h  ../libfloatimg.a Makefile
 LIBS = -ltiff -lpnglite -lcfitsio
 
-all:	assemblage extracteur
+all:	assemblage extracteur muxplanes
 
 assemblage:	assemblage.c ${DEPS} 
-	gcc $(COPT) $< ../libfloatimg.a $(LIBS) -o $@
+	gcc $(COPT) $< ../libfloatimg.a ${LIBS} -o $@
 
 extracteur:	extracteur.c ${DEPS}
-	gcc $(COPT) $<  ../libfloatimg.a $(LIBS) -o $@
+	gcc $(COPT) $<  ../libfloatimg.a ${LIBS} -o $@
+
+muxplanes:	muxplanes.c ${DEPS}
+	gcc $(COPT) $<  ../libfloatimg.a ${LIBS} -o $@

experiment/muxplanes.c

@@ -0,0 +1,97 @@
+/*
+ *		another ugly experiment
+ */
+#include  <stdio.h>
+#include  <stdlib.h>
+#include  <unistd.h>
+#include  <stdint.h>
+#include  <strings.h>
+
+#include  "../floatimg.h"
+
+int		verbosity;
+
+/* ---------------------------------------------- ~~~~~~~~~~~~~~~~ */
+
+int triplane_muxer(FloatImg *sr, FloatImg *sg, FloatImg *sb,
+					FloatImg *dst, int flages)
+{
+int		foo;
+int		sz;
+
+if (FIMG_TYPE_RGB != dst->type) {
+	fprintf(stderr, "%s: dst picz must be RGB, was %d\n",
+					__func__, dst->type);
+	return -99;
+	}
+
+if ( fimg_images_not_compatible(sr, sg) ||
+     fimg_images_not_compatible(sr, sb) ||
+     fimg_images_not_compatible(sr, dst) ) {
+	fprintf(stderr, "%s: compatibility error\n", __func__);
+	return -2;
+	}
+
+sz = sr->width * sr->height * sizeof(float);
+
+memcpy(dst->R, sr->R, sz);
+memcpy(dst->G, sg->G, sz);
+memcpy(dst->B, sb->B, sz);
+
+return 0;
+}
+/* ---------------------------------------------- ~~~~~~~~~~~~~~~~ */
+int try_this_muxplane(char *fr, char *fg, char *fb, char *dst, int flags)
+{
+int		foo;
+FloatImg	imr, img, imb, dest;
+
+fprintf(stderr, "muxing: %s %s %s --> %s\n", fr, fg, fb, dst);
+
+foo = fimg_create_from_dump(fr, &imr);
+if (foo) {
+	fprintf(stderr, "%s: err %d loading %s\n", __func__, foo, fr);
+	return -1;
+	}
+foo = fimg_create_from_dump(fg, &img);
+if (foo) {
+	fprintf(stderr, "%s: err %d loading %s\n", __func__, foo, fr);
+	return -1;
+	}
+foo = fimg_create_from_dump(fb, &imb);
+if (foo) {
+	fprintf(stderr, "%s: err %d loading %s\n", __func__, foo, fr);
+	return -1;
+	}
+
+fimg_clone(&imr, &dest, 0);
+
+foo = triplane_muxer(&imr, &img, &imb, &dest, 0);
+if (foo) {
+	fprintf(stderr, "%s: err %d\n", __func__, foo);
+	return foo;
+	}
+
+fimg_export_picture(&dest, dst, 0);
+
+return 0;
+}
+/* ---------------------------------------------- ~~~~~~~~~~~~~~~~ */
+int main(int argc, char *argv[])
+{
+int		foo;
+
+if (5 != argc) {
+	fprintf(stderr, "ERROR: %s need four fimg files arguments\n", argv[0]);
+	return 1;
+	}
+
+foo = try_this_muxplane(argv[1], argv[2], argv[3], argv[4], 0);
+if (foo) {
+	fprintf(stderr, "oups %d\n", foo);
+	exit(1);
+	}
+
+return 0;
+}
+/* ---------------------------------------------- ~~~~~~~~~~~~~~~~ */

experiment/tripla.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+
+GRABOPT=" -v -d /dev/video0 -n 1 -u "
+SPOOL=${HOME}/TMP
+
+for capture in red green blue
+do
+	grabvidseq "${GRABOPT}" -o "${SPOOL}/${capture}.fimg"
+	# sleep 1
+done
+
+ls -rtl "${SPOOL}"
+
+./muxplanes 	"${SPOOL}/red.fimg"			\
+		"${SPOOL}/green.fimg"			\
+		"${SPOOL}/blue.fimg"			\
+		yo.fimg
+
+echo $0 "got a" $?
+
+fimgstats -v yo.fimg
+