1 /* 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef VP9_COMMON_VP9_SYSTEMDEPENDENT_H_ 12 #define VP9_COMMON_VP9_SYSTEMDEPENDENT_H_ 13 14 #ifdef _MSC_VER 15 #include <math.h> 16 #define snprintf _snprintf 17 #endif 18 19 #include "./vpx_config.h" 20 #if ARCH_X86 || ARCH_X86_64 21 void vpx_reset_mmx_state(void); 22 #define vp9_clear_system_state() vpx_reset_mmx_state() 23 #else 24 #define vp9_clear_system_state() 25 #endif 26 27 #if defined(_MSC_VER) && _MSC_VER < 1800 28 // round is not defined in MSVC before VS2013. 29 static int round(double x) { 30 if (x < 0) 31 return (int)ceil(x - 0.5); 32 else 33 return (int)floor(x + 0.5); 34 } 35 #endif 36 37 struct VP9Common; 38 void vp9_machine_specific_config(struct VP9Common *cm); 39 40 #endif // VP9_COMMON_VP9_SYSTEMDEPENDENT_H_ 41
