From 1e28a6937131f4b09be6464aefe3dbfbeef89086 Mon Sep 17 00:00:00 2001
From: Kwang Yul Seo <kwangyul.seo@gmail.com>
Date: Sun, 9 Dec 2007 05:02:17 +0000
Subject: [PATCH] Fix compilation with MSVC by using
 gst_util_guint64_to_gdouble() and checking for rint() and implementing it
 ourself ...

Original commit message from CVS:
Based on a patch by: Kwang Yul Seo <kwangyul dot seo at gmail dot com>
* configure.ac:
* ext/cairo/gsttimeoverlay.c:
(gst_cairo_time_overlay_print_smpte_time):
Fix compilation with MSVC by using gst_util_guint64_to_gdouble()
and checking for rint() and implementing it ourself if it doesn't
exist.
---
 ChangeLog                  | 11 +++++++++++
 configure.ac               |  5 +++++
 ext/cairo/gsttimeoverlay.c |  6 +++++-
 3 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 30002e3825..348cc4367b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,14 @@
+2007-12-09  Sebastian Dröge  <slomo@circular-chaos.org>
+
+	Based on a patch by: Kwang Yul Seo <kwangyul dot seo at gmail dot com>
+
+	* configure.ac:
+	* ext/cairo/gsttimeoverlay.c:
+	  (gst_cairo_time_overlay_print_smpte_time):
+	  Fix compilation with MSVC by using gst_util_guint64_to_gdouble()
+	  and checking for rint() and implementing it ourself if it doesn't
+	  exist.
+
 2007-12-09  Sebastian Dröge  <slomo@circular-chaos.org>
 
 	* configure.ac:
diff --git a/configure.ac b/configure.ac
index 592e4a25ec..286161b011 100644
--- a/configure.ac
+++ b/configure.ac
@@ -218,6 +218,11 @@ AC_C99_FUNC_LRINTF
 
 dnl *** checks for library functions ***
 
+LIBS_SAVE=$LIBS
+LIBS="$LIBS $LIBM"
+AC_CHECK_FUNCS(rint)
+$LIBS=$LIB_SAVE
+
 dnl Check for mmap (needed by electricfence plugin)
 AC_FUNC_MMAP
 AM_CONDITIONAL(GST_HAVE_MMAP, test "x$ac_cv_func_mmap_fixed_mapped" == "xyes")
diff --git a/ext/cairo/gsttimeoverlay.c b/ext/cairo/gsttimeoverlay.c
index 16707916c3..8f1d03d16d 100644
--- a/ext/cairo/gsttimeoverlay.c
+++ b/ext/cairo/gsttimeoverlay.c
@@ -48,6 +48,10 @@
 
 #include <gst/video/video.h>
 
+#ifndef HAVE_RINT
+#define rint(x) ((double) floor((x)+(((x) < 0)? -0.5 : 0.5)))
+#endif
+
 static const GstElementDetails cairo_time_overlay_details =
 GST_ELEMENT_DETAILS ("Time overlay",
     "Filter/Editor/Video",
@@ -159,7 +163,7 @@ gst_cairo_time_overlay_print_smpte_time (guint64 time)
   int ms;
   double x;
 
-  x = rint ((time + 500000) * 1e-6);
+  x = rint (gst_util_guint64_to_gdouble (time + 500000) * 1e-6);
 
   hours = floor (x / (60 * 60 * 1000));
   x -= hours * 60 * 60 * 1000;