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d7383ccb25
- Everyone who has contributed code to the project has been asked to license their contributions under LPGL and they have agreed. - COPYING file changed to say LGPLv2.1 instead of GPLv2. - GPL changed to LGPL in the header of every single file that a header and header added to the few that were missing one. - Also.. Happy new year!
78 lines
3.1 KiB
C
78 lines
3.1 KiB
C
#ifndef THREADS_H_
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#define THREADS_H_
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/*****************************************************************************
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* This file is part of Kvazaar HEVC encoder.
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*
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* Copyright (C) 2013-2015 Tampere University of Technology and others (see
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* COPYING file).
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*
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* Kvazaar is free software: you can redistribute it and/or modify it under
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* the terms of the GNU Lesser General Public License as published by the
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* Free Software Foundation; either version 2.1 of the License, or (at your
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* option) any later version.
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*
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* Kvazaar is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with Kvazaar. If not, see <http://www.gnu.org/licenses/>.
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****************************************************************************/
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#include "global.h"
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#include <pthread.h>
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#if defined(__GNUC__) && !defined(__MINGW32__)
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#include <unistd.h>
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#include <time.h>
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#define CLOCK_T struct timespec
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#ifdef __MACH__
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// Workaround Mac OS not having clock_gettime.
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#include <mach/clock.h>
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#include <mach/mach.h>
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#define GET_TIME(clock_t) { \
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clock_serv_t cclock; \
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mach_timespec_t mts; \
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host_get_clock_service(mach_host_self(), SYSTEM_CLOCK, &cclock); \
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clock_get_time(cclock, &mts); \
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mach_port_deallocate(mach_task_self(), cclock); \
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(clock_t)->tv_sec = mts.tv_sec; \
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(clock_t)->tv_nsec = mts.tv_nsec; \
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}
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#else
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#define GET_TIME(clock_t) clock_gettime(CLOCK_MONOTONIC, (clock_t))
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#endif
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#define CLOCK_T_AS_DOUBLE(ts) ((double)((ts).tv_sec) + (double)((ts).tv_nsec) / (double)1000000000L)
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#define CLOCK_T_DIFF(start, stop) ((double)((stop).tv_sec - (start).tv_sec) + (double)((stop).tv_nsec - (start).tv_nsec) / (double)1000000000L)
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#define ATOMIC_INC(ptr) __sync_add_and_fetch((volatile int32_t*)ptr, 1)
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#define ATOMIC_DEC(ptr) __sync_add_and_fetch((volatile int32_t*)ptr, -1)
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#define SLEEP() usleep(0)
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#else //__GNUC__
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//TODO: we assume !GCC => Windows... this may be bad
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#include <Windows.h>
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#define CLOCK_T struct _FILETIME
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#define GET_TIME(clock_t) GetSystemTimeAsFileTime(clock_t)
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// _FILETIME has 32bit low and high part of 64bit 100ns resolution timestamp (since 12:00 AM January 1, 1601)
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#define CLOCK_T_AS_DOUBLE(ts) ((double)(((uint64_t)(ts).dwHighDateTime)<<32 | (uint64_t)(ts).dwLowDateTime) / (double)10000000L)
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#define CLOCK_T_DIFF(start, stop) ((double)((((uint64_t)(stop).dwHighDateTime)<<32 | (uint64_t)(stop).dwLowDateTime) - \
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(((uint64_t)(start).dwHighDateTime)<<32 | (uint64_t)(start).dwLowDateTime)) / (double)10000000L)
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#define ATOMIC_INC(ptr) InterlockedIncrement((volatile LONG*)ptr)
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#define ATOMIC_DEC(ptr) InterlockedDecrement((volatile LONG*)ptr)
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// Sleep(0) results in bad performance on Windows for some reason,
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// As a work around sleep for 10ms.
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#define SLEEP() Sleep(10)
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#endif //__GNUC__
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#endif //THREADS_H_
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