vpx/vp9/common/vp9_systemdependent.h
Yaowu Xu c681887652 fixed build issue with round()
not defined in msvc

Change-Id: I8fe8462a0c2f636d8b43c0243832ca67578f3665
2012-12-13 15:15:56 -08:00

38 lines
979 B
C

/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef VP9_COMMON_VP9_SYSTEMDEPENDENT_H_
#define VP9_COMMON_VP9_SYSTEMDEPENDENT_H_
#ifdef _MSC_VER
#include <math.h>
#endif
#include "vpx_ports/config.h"
#if ARCH_X86 || ARCH_X86_64
void vpx_reset_mmx_state(void);
#define vp9_clear_system_state() vpx_reset_mmx_state()
#else
#define vp9_clear_system_state()
#endif
#ifdef _MSC_VER
// round is not defined in MSVC
static int round(double x) {
if (x < 0)
return (int)ceil(x - 0.5);
else
return (int)floor(x + 0.5);
}
#endif
struct VP9Common;
void vp9_machine_specific_config(struct VP9Common *);
#endif