65 lines
2.1 KiB
C++
65 lines
2.1 KiB
C++
/*
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* Copyright (C) 2015 Tim Mayberry <mojofunk@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for 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 this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef PBD_WINDOWS_TIMER_UTILS_H
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#define PBD_WINDOWS_TIMER_UTILS_H
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#include <stdint.h>
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#include "pbd/libpbd_visibility.h"
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namespace PBD {
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namespace MMTIMERS {
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/**
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* Get the minimum Multimedia Timer resolution as supported by the system
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* @return true if getting min timer resolution was not successful
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*/
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bool LIBPBD_API get_min_resolution (uint32_t& timer_resolution_ms);
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/**
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* Set the minimum Multimedia Timer resolution as supported by the system
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* @return true if setting min timer resolution was successful
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*/
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bool LIBPBD_API set_min_resolution ();
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/**
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* Set current Multimedia Timer resolution. If the timer resolution has already
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* been set then reset_resolution() must be called before set_resolution will
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* succeed.
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* @return true if setting the timer value was successful, false if setting the
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* timer resolution failed or the resolution has already been set.
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*/
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bool LIBPBD_API set_resolution(uint32_t timer_resolution_ms);
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/**
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* Reset Multimedia Timer resolution. In my testing, if the timer resolution is
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* set below the default, then resetting the resolution will not reset the
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* timer resolution back to 15ms. At least it does not reset immediately
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* even after calling Sleep.
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* @return true if setting the timer value was successful
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*/
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bool LIBPBD_API reset_resolution();
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} // namespace MMTIMERS
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} // namespace PBD
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#endif // PBD_WINDOWS_TIMER_UTILS_H
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