68 lines
2.1 KiB
C++
68 lines
2.1 KiB
C++
// ------------------------------------------------------------------------
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// sample-specs.h: Sample value defaults and constants.
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// Copyright (C) 1999-2004 Kai Vehmanen
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//
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// Attributes:
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// eca-style-version: 2
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// public-libecasound-API: yes
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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
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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// ------------------------------------------------------------------------
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#ifndef INCLUDED_SAMPLE_SPECS_H
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#define INCLUDED_SAMPLE_SPECS_H
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/**
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* Sample value defaults and constants.
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*/
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namespace SAMPLE_SPECS {
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/**
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* Type used to represent one sample value; should
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* be a floating point value (floating-point type)
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*/
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typedef float sample_t;
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/**
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* Type used to represent position in sample
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* frames (signed integer).
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*/
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#if defined _ISOC99_SOURCE || defined _ISOC9X_SOURCE || defined __GNUG__
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typedef long long int sample_pos_t;
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#else
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typedef long int sample_pos_t;
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#endif
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/**
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* Type used to represent sample rate values (signed integer).
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*/
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typedef long int sample_rate_t;
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/**
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* Type used to identify individual channels (signed integer).
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*/
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typedef int channel_t;
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static const sample_t silent_value = 0.0f; // do not change!
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static const sample_t max_amplitude = 1.0f;
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static const sample_t impl_max_value = silent_value + max_amplitude;
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static const sample_t impl_min_value = silent_value - max_amplitude;
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static const channel_t ch_left = 0;
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static const channel_t ch_right = 1;
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}
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#endif
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