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57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
/*
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* Copyright (C) 2004 Rui Nuno Capela, Lee Revell
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1
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* of the License, or (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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program; if not, write to the Free
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* Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*
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*/
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#ifndef __statistics_h__
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#define __statistics_h__
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#include <jack/types.h>
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/**
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* @return the maximum delay reported by the backend since
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* startup or reset. When compared to the period size in usecs, this
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* can be used to estimate the ideal period size for a given setup.
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*/
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float jack_get_max_delayed_usecs (jack_client_t *client);
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/**
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* @return the delay in microseconds due to the most recent XRUN
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* occurrence. This probably only makes sense when called from a @ref
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* JackXRunCallback defined using jack_set_xrun_callback().
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*/
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float jack_get_xrun_delayed_usecs (jack_client_t *client);
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/**
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* Reset the maximum delay counter. This would be useful
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* to estimate the effect that a change to the configuration of a running
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* system (e.g. toggling kernel preemption) has on the delay
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* experienced by JACK, without having to restart the JACK engine.
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*/
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void jack_reset_max_delayed_usecs (jack_client_t *client);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __statistics_h__ */
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