From b2d2c45be172eefab0b68d6327b546fad2351694 Mon Sep 17 00:00:00 2001
From: tth <tth@fubar.tetalab.org>
Date: Wed, 26 May 2021 11:31:52 +0200
Subject: [PATCH] planomuxer: step 1

---
 .gitignore             |  1 +
 experiment/Makefile    |  9 ++--
 experiment/muxplanes.c | 97 ++++++++++++++++++++++++++++++++++++++++++
 experiment/tripla.sh   | 22 ++++++++++
 4 files changed, 126 insertions(+), 3 deletions(-)
 create mode 100644 experiment/muxplanes.c
 create mode 100755 experiment/tripla.sh

diff --git a/.gitignore b/.gitignore
index 07b608f..36c902e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -84,4 +84,5 @@ experiment/extracteur
 experiment/*.fimg
 experiment/*.pnm
 experiment/*.o
+experiment/muxplanes
 
diff --git a/experiment/Makefile b/experiment/Makefile
index 708d9c8..67dd901 100644
--- a/experiment/Makefile
+++ b/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 $@
diff --git a/experiment/muxplanes.c b/experiment/muxplanes.c
new file mode 100644
index 0000000..bd01e54
--- /dev/null
+++ b/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;
+}
+/* ---------------------------------------------- ~~~~~~~~~~~~~~~~ */
diff --git a/experiment/tripla.sh b/experiment/tripla.sh
new file mode 100755
index 0000000..e04184d
--- /dev/null
+++ b/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
+