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gst/gstutils.c: apparently converting from guint64 to double is not implemented on MSVC

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Original commit message from CVS:

* gst/gstutils.c: (guint64_to_gdouble), (gst_util_uint64_scale):
apparently converting from guint64 to double is not implemented
on MSVC
This commit is contained in:
Thomas Vander Stichele 2005-10-10 16:38:59 +00:00
parent 2153c45964
commit 0d129e5757
2 changed files with 22 additions and 1 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2005-10-10 Thomas Vander Stichele <thomas at apestaart dot org>
* gst/gstutils.c: (guint64_to_gdouble), (gst_util_uint64_scale):
apparently converting from guint64 to double is not implemented
on MSVC
2005-10-10 Wim Taymans <wim@fluendo.com> 2005-10-10 Wim Taymans <wim@fluendo.com>
* check/Makefile.am: * check/Makefile.am:

17
gst/gstutils.c
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@ -299,6 +299,21 @@ gst_util_set_object_arg (GObject * object, const gchar * name,
} }
} }
#ifdef WIN32
/* work around error C2520: conversion from unsigned __int64 to double
* not implemented, use signed __int64 */
static gdouble
guint64_to_gdouble (guint64 value)
{
if (value & 0x8000000000000000)
return (gdouble) ((gint64) value) + (gdouble) 18446744073709551616.;
else
return (gdouble) ((gint64) value);
}
#else
#define guint64_to_gdouble(value) ((gdouble) value)
#endif
/** /**
* gst_util_uint64_scale: * gst_util_uint64_scale:
* @val: the number to scale * @val: the number to scale
@ -313,7 +328,7 @@ guint64
gst_util_uint64_scale (guint64 val, guint64 num, guint64 denom) gst_util_uint64_scale (guint64 val, guint64 num, guint64 denom)
{ {
/* implement me with fixed point, if you care */ /* implement me with fixed point, if you care */
return val * (((double) num) / denom); return val * ((guint64_to_gdouble (num)) / denom);
} }
/* ----------------------------------------------------- /* -----------------------------------------------------