From 07a2e66440b57a0d7edd71ed82afce9b2f68f5fe Mon Sep 17 00:00:00 2001
From: Guenter Bartsch <guenter@users.sourceforge.net>
Date: Wed, 1 May 2002 20:38:19 +0000
Subject: planar yv12 logo format

CVS patchset: 1825
CVS date: 2002/05/01 20:38:19
---
 misc/Makefile.am       |   4 +--
 misc/xine-logoconv.c   |  78 ++++++++++++++++++++++++++++++++++++++++++++-----
 misc/xine_logo.yv12.gz | Bin 0 -> 29869 bytes
 misc/xine_logo.zyuy2   | Bin 39431 -> 0 bytes
 4 files changed, 73 insertions(+), 9 deletions(-)
 create mode 100644 misc/xine_logo.yv12.gz
 delete mode 100644 misc/xine_logo.zyuy2

(limited to 'misc')

diff --git a/misc/Makefile.am b/misc/Makefile.am
index 73dfd9844..b8712a15d 100644
--- a/misc/Makefile.am
+++ b/misc/Makefile.am
@@ -2,10 +2,10 @@ SUBDIRS = fonts
 
 EXTRA_DIST = autogen.sh upload.pl SlackBuild.in SlackBuild build_rpms.sh \
 	xine-lib.spec.in xine-lib.spec \
-	xine_logo.png xine_logo.zyuy2 xine-fontconv.c
+	xine_logo.png xine_logo.yv12.gz xine-fontconv.c
 
 datadir = $(XINE_SKINDIR)
-data_DATA = xine_logo.png xine_logo.zyuy2
+data_DATA = xine_logo.png xine_logo.yv12.gz
 
 bin_SCRIPTS = xine-config
 
diff --git a/misc/xine-logoconv.c b/misc/xine-logoconv.c
index 8f0d31e88..9965f7b5f 100644
--- a/misc/xine-logoconv.c
+++ b/misc/xine-logoconv.c
@@ -1,7 +1,7 @@
 /*
  * Copyright (C) 2002 the xine project
  * 
- * This file is part of xine, a unix video player.
+ * This file is part of xine, a free 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
@@ -75,7 +75,7 @@ static void save_image (char *oldname, ImlibImage *img) {
   if (extension)
     *extension = 0;
 
-  snprintf (filename, 1023, "%s.zyuy2", oldname);
+  snprintf (filename, 1023, "%s.yv12.gz", oldname);
 
   if (!(fp = gzopen (filename ,"w"))) {
     printf ("failed to create file '%s'\n", filename);
@@ -89,7 +89,7 @@ static void save_image (char *oldname, ImlibImage *img) {
   wr16 (fp, h);
 
   /*
-   * convert yuv to yuy2 
+   * convert yuv to yv12 
    */
 
   for (py=0; py<h; py++) {
@@ -121,10 +121,38 @@ static void save_image (char *oldname, ImlibImage *img) {
       cv = v + 128.0;
 
       gzwrite (fp, &cy, 1);
-      if ((px-1) % 2)
-	gzwrite (fp, &cv, 1);
-      else
-	gzwrite (fp, &cu, 1);
+    }
+  }
+
+  for (py=0; py<h; py+=2) {
+    printf (".");
+    for (px=0; px<w; px+=2) {
+
+      double r, g, b;
+      double y, u, v;
+      unsigned char cy,cu,cv;
+
+#ifdef WORDS_BIGENDIAN
+      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];
+#else
+      r = img->rgb_data[(px+py*w)*3+2];
+      g = img->rgb_data[(px+py*w)*3+1];
+      b = img->rgb_data[(px+py*w)*3];
+#endif
+
+      y = (LUMARED*r) + (LUMAGREEN*g) + (LUMABLUE*b);
+      //      u = (b-y) / (2 - 2*LUMABLUE);
+      //      v = (r-y) / (2 - 2*LUMABLUE);
+      u = (b-y) / (2 - 2*LUMABLUE);
+      v = (r-y) / (2 - 2*LUMABLUE);
+
+      cy = y;
+      cu = u + 128.0;
+      cv = v + 128.0;
+
+      gzwrite (fp, &cu, 1);
 
       /*
       printf ("%f %f %f => %f %f %f\n",r,g,b,y,u,v);
@@ -133,6 +161,42 @@ static void save_image (char *oldname, ImlibImage *img) {
     }
   }
 
+  for (py=0; py<h; py+=2) {
+    printf (".");
+    for (px=0; px<w; px+=2) {
+
+      double r, g, b;
+      double y, u, v;
+      unsigned char cy,cu,cv;
+
+#ifdef WORDS_BIGENDIAN
+      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];
+#else
+      r = img->rgb_data[(px+py*w)*3+2];
+      g = img->rgb_data[(px+py*w)*3+1];
+      b = img->rgb_data[(px+py*w)*3];
+#endif
+
+      y = (LUMARED*r) + (LUMAGREEN*g) + (LUMABLUE*b);
+      //      u = (b-y) / (2 - 2*LUMABLUE);
+      //      v = (r-y) / (2 - 2*LUMABLUE);
+      u = (b-y) / (2 - 2*LUMABLUE);
+      v = (r-y) / (2 - 2*LUMABLUE);
+
+      cy = y;
+      cu = u + 128.0;
+      cv = v + 128.0;
+
+      gzwrite (fp, &cv, 1);
+
+      /*
+      printf ("%f %f %f => %f %f %f\n",r,g,b,y,u,v);
+      */
+
+    }
+  }
   printf ("\ndone.\n");
   gzclose(fp);
 }
diff --git a/misc/xine_logo.yv12.gz b/misc/xine_logo.yv12.gz
new file mode 100644
index 000000000..a5a56cf61
Binary files /dev/null and b/misc/xine_logo.yv12.gz differ
diff --git a/misc/xine_logo.zyuy2 b/misc/xine_logo.zyuy2
deleted file mode 100644
index 90e052d72..000000000
Binary files a/misc/xine_logo.zyuy2 and /dev/null differ
-- 
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