removed obsolete guenter spec file, added logo converter and logo in yuy2 format

CVS patchset: 1447
CVS date: 2002/01/24 15:21:25

1 files changed, 161 insertions, 0 deletions

diff --git a/misc/xine-logoconv.c b/misc/xine-logoconv.c
new file mode 100644
index 000000000..490d206b4
--- /dev/null
+++ b/misc/xine-logoconv.c
@@ -0,0 +1,161 @@
+/*
+ * Copyright (C) 2002 the xine project
+ * 
+ * This file is part of xine, a unix video player.
+ * 
+ * xine is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * xine is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
+ *
+ * xine-logoconv.c  
+ *
+ * converts png (or any other file types imlib understands) to xine logos
+ *
+ * xine logo file format:
+ *
+ * int16_t    width
+ * int16_t    height
+ * uint8_t    zlib_compressed (yuy2_data[width*height*2])
+ *
+ * compile:
+ *   gcc -o xine-logoconv xine-logoconv.c -L/usr/X11R6/lib -lX11 -lXext -ljpeg -lpng -ltiff -lz -lImlib
+ *
+ * usage:
+ *   xine-logoconv logo.png
+ *
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <zlib.h>
+#include <inttypes.h>
+
+#include "Imlib.h"
+
+#define LUMARED   0.299
+#define LUMAGREEN 0.587
+#define LUMABLUE  0.114
+
+static void wr16 (gzFile *fp, int i) {
+
+  uint8_t c;
+
+  c = i >> 8;
+  gzputc (fp, c);
+  c = i & 0xff;
+  gzputc (fp, c);
+}
+
+static void save_image (char *oldname, ImlibImage *img) {
+
+  gzFile  *fp;
+  int32_t  px, py, w, h;
+  char     filename[1024];
+  char    *extension;
+
+  w = img->rgb_width;
+  h = img->rgb_height;
+
+  extension = strrchr (oldname, '.');
+  if (extension)
+    *extension = 0;
+
+  snprintf (filename, 1023, "%s.zyuy2", oldname);
+
+  if (!(fp = gzopen (filename ,"w"))) {
+    printf ("failed to create file '%s'\n", filename);
+    return;
+  }
+
+  printf ("saving %d x %d logo image to %s\n",
+	  w, h, filename);
+
+  wr16 (fp, w);
+  wr16 (fp, h);
+
+  /*
+   * convert yuv to yuy2 
+   */
+
+  for (py=0; py<h; py++) {
+    printf (".");
+    for (px=0; px<w; px++) {
+
+      double r, g, b;
+      double y, u, v;
+      unsigned char cy,cu,cv;
+
+      r = img->rgb_data[(px+py*w)*3];
+      g = img->rgb_data[(px+py*w)*3+1];
+      b = img->rgb_data[(px+py*w)*3+2];
+
+      y = LUMARED*r + LUMAGREEN*g + LUMABLUE*b;
+      u = (b-y) / (2 - 2*LUMABLUE);
+      v = (r-y) / (2 - 2*LUMABLUE);
+
+      cy = y;
+      cu = u + 128.0;
+      cv = v + 128.0;
+
+      gzwrite (fp, &cy, 1);
+      if (px % 2)
+	gzwrite (fp, &cv, 1);
+      else
+	gzwrite (fp, &cu, 1);
+
+      /*
+      printf ("%f %f %f => %f %f %f\n",r,g,b,y,u,v);
+      */
+
+    }
+  }
+
+  printf ("\ndone.\n");
+  gzclose(fp);
+}
+
+int main(int argc, char *argv[]) {
+
+  Display    *display;
+  ImlibData  *imlib_data;
+  ImlibImage *img;
+
+  if (argc != 2) {
+    printf ("usage: %s foo.png\n", argv[0]);
+    exit (1);
+  }
+
+  if (!(display = XOpenDisplay (NULL))) {
+    printf ("failed to open X11 display\n");
+    exit (1);
+  }
+
+  if (!(imlib_data = Imlib_init (display))) {
+    printf ("failed to initialize imlib\n");
+    exit(1);
+  }
+  
+  if (!(img = Imlib_load_image(imlib_data, argv[1]))) {
+    printf ("failed to load '%s'\n", argv[1]);
+    exit(1);
+  }
+
+  Imlib_render(imlib_data, img,
+	       img->rgb_width,
+	       img->rgb_height);
+
+  save_image (argv[1], img);
+
+}