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Diffstat (limited to '')
-rw-r--r-- | third_party/aom/aom_ports/aom_timer.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/third_party/aom/aom_ports/aom_timer.h b/third_party/aom/aom_ports/aom_timer.h new file mode 100644 index 0000000000..642c5a08ba --- /dev/null +++ b/third_party/aom/aom_ports/aom_timer.h @@ -0,0 +1,113 @@ +/* + * Copyright (c) 2016, Alliance for Open Media. All rights reserved + * + * This source code is subject to the terms of the BSD 2 Clause License and + * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License + * was not distributed with this source code in the LICENSE file, you can + * obtain it at www.aomedia.org/license/software. 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 www.aomedia.org/license/patent. + */ + +#ifndef AOM_AOM_PORTS_AOM_TIMER_H_ +#define AOM_AOM_PORTS_AOM_TIMER_H_ + +#include "config/aom_config.h" + +#if CONFIG_OS_SUPPORT + +#include <stddef.h> +#include <stdint.h> + +#if defined(_WIN32) +/* + * Win32 specific includes + */ +#undef NOMINMAX +#define NOMINMAX +#undef WIN32_LEAN_AND_MEAN +#define WIN32_LEAN_AND_MEAN +#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_ |