Stephan Sundermann
e653ac87a2
x86 might not work due to misconfiguration because I could not test it since acinerella is broken in x86 currenty. Gstreamer video support is yet to follow. Please report back any bugs you experience. To compile you will need Visual C++, I hope all files are included
113 lines
2.7 KiB
C
113 lines
2.7 KiB
C
/* GStreamer
|
|
* Copyright (C) 2010 Tim-Philipp Müller <tim centricular net>
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifndef __GST_MATH_COMPAT_H__
|
|
#define __GST_MATH_COMPAT_H__
|
|
|
|
/* This header is not included automatically via gst/gst.h, you need to
|
|
* include it explicitly if you need it. */
|
|
|
|
#ifndef _USE_MATH_DEFINES
|
|
#define _USE_MATH_DEFINES /* so MSVC defines M_PI etc. */
|
|
#endif
|
|
#include <math.h>
|
|
|
|
#include <glib.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
/* http://en.wikipedia.org/wiki/Math.h */
|
|
|
|
#define __GST_MATH_COMPAT_NEED_RINT
|
|
#define __GST_MATH_COMPAT_NEED_RINTF
|
|
#define __GST_MATH_COMPAT_NEED_ISNAN
|
|
|
|
#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
|
|
#undef __GST_MATH_COMPAT_NEED_RINT
|
|
#undef __GST_MATH_COMPAT_NEED_RINTF
|
|
#undef __GST_MATH_COMPAT_NEED_ISNAN
|
|
#endif
|
|
|
|
#if defined(_POSIX_VERSION) && _POSIX_VERSION >= 200112L
|
|
#undef __GST_MATH_COMPAT_NEED_RINT
|
|
#undef __GST_MATH_COMPAT_NEED_RINTF
|
|
#undef __GST_MATH_COMPAT_NEED_ISNAN
|
|
#endif
|
|
|
|
#ifndef M_PI
|
|
#define M_PI G_PI
|
|
#endif
|
|
|
|
#ifndef M_PI_2
|
|
#define M_PI_2 G_PI_2
|
|
#endif
|
|
|
|
#ifndef M_PI_4
|
|
#define M_PI_4 G_PI_4
|
|
#endif
|
|
|
|
static inline double
|
|
__gst_math_compat_rint (double x)
|
|
{
|
|
return floor (x + 0.5);
|
|
}
|
|
|
|
static inline float
|
|
__gst_math_compat_rintf (float x)
|
|
{
|
|
return floorf (x + 0.5);
|
|
}
|
|
|
|
static inline gboolean
|
|
__gst_math_compat_isnan (double x)
|
|
{
|
|
return x != x;
|
|
}
|
|
|
|
#if defined (__GST_MATH_COMPAT_NEED_RINT) && !defined (rint)
|
|
#define rint(x) __gst_math_compat_rint(x)
|
|
#endif
|
|
|
|
#if defined (__GST_MATH_COMPAT_NEED_RINTF) && !defined (rintf)
|
|
#define rintf(x) __gst_math_compat_rintf(x)
|
|
#endif
|
|
|
|
#if defined (__GST_MATH_COMPAT_NEED_ISNAN) && !defined (isnan)
|
|
#define isnan(x) __gst_math_compat_isnan (x)
|
|
#endif
|
|
|
|
#ifndef NAN
|
|
#if G_BYTE_ORDER == G_BIG_ENDIAN
|
|
#define __GST_NAN_BYTES { 0x7f, 0xc0, 0, 0 }
|
|
#elif G_BYTE_ORDER == G_LITTLE_ENDIAN
|
|
#define __GST_NAN_BYTES { 0, 0, 0xc0, 0x7f }
|
|
#endif
|
|
static union {
|
|
unsigned char __c[4];
|
|
float __d;
|
|
} __gst_nan_union G_GNUC_UNUSED = {
|
|
__GST_NAN_BYTES
|
|
};
|
|
#define NAN (__gst_nan_union.__d)
|
|
#endif
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_MATH_COMPAT_H__ */
|