The Tor Browser: media/libvpx/vp9/common/vp9_systemdependent.h@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     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  */

    11 #ifndef VP9_COMMON_VP9_SYSTEMDEPENDENT_H_

    12 #define VP9_COMMON_VP9_SYSTEMDEPENDENT_H_

    14 #ifdef _MSC_VER

    15 #include <math.h>

    16 #define snprintf _snprintf

    17 #endif

    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

    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

    37 struct VP9Common;

    38 void vp9_machine_specific_config(struct VP9Common *cm);

    40 #endif  // VP9_COMMON_VP9_SYSTEMDEPENDENT_H_

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