| /* |
| * Copyright (c) 2021, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 3-Clause Clear License |
| * and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear |
| * License was not distributed with this source code in the LICENSE file, you |
| * can obtain it at aomedia.org/license/software-license/bsd-3-c-c/. If the |
| * Alliance for Open Media Patent License 1.0 was not distributed with this |
| * source code in the PATENTS file, you can obtain it at |
| * aomedia.org/license/patent-license/. |
| */ |
| |
| #ifndef AOM_AOM_PORTS_AOM_TIMER_H_ |
| #define AOM_AOM_PORTS_AOM_TIMER_H_ |
| |
| #include "config/aom_config.h" |
| |
| #include "aom/aom_integer.h" |
| |
| #if CONFIG_OS_SUPPORT |
| |
| #if defined(_WIN32) |
| /* |
| * Win32 specific includes |
| */ |
| #ifndef WIN32_LEAN_AND_MEAN |
| #define WIN32_LEAN_AND_MEAN |
| #endif |
| #include <windows.h> |
| #else |
| /* |
| * POSIX specific includes |
| */ |
| #include <sys/time.h> |
| |
| /* timersub is not provided by msys at this time. */ |
| #ifndef timersub |
| #define timersub(a, b, result) \ |
| do { \ |
| (result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \ |
| (result)->tv_usec = (a)->tv_usec - (b)->tv_usec; \ |
| if ((result)->tv_usec < 0) { \ |
| --(result)->tv_sec; \ |
| (result)->tv_usec += 1000000; \ |
| } \ |
| } while (0) |
| #endif |
| #endif |
| |
| struct aom_usec_timer { |
| #if defined(_WIN32) |
| LARGE_INTEGER begin, end; |
| #else |
| struct timeval begin, end; |
| #endif |
| }; |
| |
| static INLINE void aom_usec_timer_start(struct aom_usec_timer *t) { |
| #if defined(_WIN32) |
| QueryPerformanceCounter(&t->begin); |
| #else |
| gettimeofday(&t->begin, NULL); |
| #endif |
| } |
| |
| static INLINE void aom_usec_timer_mark(struct aom_usec_timer *t) { |
| #if defined(_WIN32) |
| QueryPerformanceCounter(&t->end); |
| #else |
| gettimeofday(&t->end, NULL); |
| #endif |
| } |
| |
| static INLINE int64_t aom_usec_timer_elapsed(struct aom_usec_timer *t) { |
| #if defined(_WIN32) |
| LARGE_INTEGER freq, diff; |
| |
| diff.QuadPart = t->end.QuadPart - t->begin.QuadPart; |
| |
| QueryPerformanceFrequency(&freq); |
| return diff.QuadPart * 1000000 / freq.QuadPart; |
| #else |
| struct timeval diff; |
| |
| timersub(&t->end, &t->begin, &diff); |
| return ((int64_t)diff.tv_sec) * 1000000 + diff.tv_usec; |
| #endif |
| } |
| |
| #else /* CONFIG_OS_SUPPORT = 0*/ |
| |
| /* Empty timer functions if CONFIG_OS_SUPPORT = 0 */ |
| #ifndef timersub |
| #define timersub(a, b, result) |
| #endif |
| |
| struct aom_usec_timer { |
| void *dummy; |
| }; |
| |
| static INLINE void aom_usec_timer_start(struct aom_usec_timer *t) { (void)t; } |
| |
| static INLINE void aom_usec_timer_mark(struct aom_usec_timer *t) { (void)t; } |
| |
| static INLINE int aom_usec_timer_elapsed(struct aom_usec_timer *t) { |
| (void)t; |
| return 0; |
| } |
| |
| #endif /* CONFIG_OS_SUPPORT */ |
| |
| #endif // AOM_AOM_PORTS_AOM_TIMER_H_ |