The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/media/libvpx/vpx_ports/vpx_timer.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,117 @@
     1.4 +/*
     1.5 + *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
     1.6 + *
     1.7 + *  Use of this source code is governed by a BSD-style license
     1.8 + *  that can be found in the LICENSE file in the root of the source
     1.9 + *  tree. An additional intellectual property rights grant can be found
    1.10 + *  in the file PATENTS.  All contributing project authors may
    1.11 + *  be found in the AUTHORS file in the root of the source tree.
    1.12 + */
    1.13 +
    1.14 +
    1.15 +#ifndef VPX_TIMER_H
    1.16 +#define VPX_TIMER_H
    1.17 +#include "vpx/vpx_integer.h"
    1.18 +
    1.19 +#if CONFIG_OS_SUPPORT
    1.20 +
    1.21 +#if defined(_WIN32)
    1.22 +/*
    1.23 + * Win32 specific includes
    1.24 + */
    1.25 +#ifndef WIN32_LEAN_AND_MEAN
    1.26 +#define WIN32_LEAN_AND_MEAN
    1.27 +#endif
    1.28 +#include <windows.h>
    1.29 +#else
    1.30 +/*
    1.31 + * POSIX specific includes
    1.32 + */
    1.33 +#include <sys/time.h>
    1.34 +
    1.35 +/* timersub is not provided by msys at this time. */
    1.36 +#ifndef timersub
    1.37 +#define timersub(a, b, result) \
    1.38 +  do { \
    1.39 +    (result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \
    1.40 +    (result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \
    1.41 +    if ((result)->tv_usec < 0) { \
    1.42 +      --(result)->tv_sec; \
    1.43 +      (result)->tv_usec += 1000000; \
    1.44 +    } \
    1.45 +  } while (0)
    1.46 +#endif
    1.47 +#endif
    1.48 +
    1.49 +
    1.50 +struct vpx_usec_timer {
    1.51 +#if defined(_WIN32)
    1.52 +  LARGE_INTEGER  begin, end;
    1.53 +#else
    1.54 +  struct timeval begin, end;
    1.55 +#endif
    1.56 +};
    1.57 +
    1.58 +
    1.59 +static void
    1.60 +vpx_usec_timer_start(struct vpx_usec_timer *t) {
    1.61 +#if defined(_WIN32)
    1.62 +  QueryPerformanceCounter(&t->begin);
    1.63 +#else
    1.64 +  gettimeofday(&t->begin, NULL);
    1.65 +#endif
    1.66 +}
    1.67 +
    1.68 +
    1.69 +static void
    1.70 +vpx_usec_timer_mark(struct vpx_usec_timer *t) {
    1.71 +#if defined(_WIN32)
    1.72 +  QueryPerformanceCounter(&t->end);
    1.73 +#else
    1.74 +  gettimeofday(&t->end, NULL);
    1.75 +#endif
    1.76 +}
    1.77 +
    1.78 +
    1.79 +static int64_t
    1.80 +vpx_usec_timer_elapsed(struct vpx_usec_timer *t) {
    1.81 +#if defined(_WIN32)
    1.82 +  LARGE_INTEGER freq, diff;
    1.83 +
    1.84 +  diff.QuadPart = t->end.QuadPart - t->begin.QuadPart;
    1.85 +
    1.86 +  QueryPerformanceFrequency(&freq);
    1.87 +  return diff.QuadPart * 1000000 / freq.QuadPart;
    1.88 +#else
    1.89 +  struct timeval diff;
    1.90 +
    1.91 +  timersub(&t->end, &t->begin, &diff);
    1.92 +  return diff.tv_sec * 1000000 + diff.tv_usec;
    1.93 +#endif
    1.94 +}
    1.95 +
    1.96 +#else /* CONFIG_OS_SUPPORT = 0*/
    1.97 +
    1.98 +/* Empty timer functions if CONFIG_OS_SUPPORT = 0 */
    1.99 +#ifndef timersub
   1.100 +#define timersub(a, b, result)
   1.101 +#endif
   1.102 +
   1.103 +struct vpx_usec_timer {
   1.104 +  void *dummy;
   1.105 +};
   1.106 +
   1.107 +static void
   1.108 +vpx_usec_timer_start(struct vpx_usec_timer *t) { }
   1.109 +
   1.110 +static void
   1.111 +vpx_usec_timer_mark(struct vpx_usec_timer *t) { }
   1.112 +
   1.113 +static long
   1.114 +vpx_usec_timer_elapsed(struct vpx_usec_timer *t) {
   1.115 +  return 0;
   1.116 +}
   1.117 +
   1.118 +#endif /* CONFIG_OS_SUPPORT */
   1.119 +
   1.120 +#endif