// ------------------------------------------------------------------------ // sample-specs.h: Sample value defaults and constants. // Copyright (C) 1999-2004 Kai Vehmanen // // Attributes: // eca-style-version: 2 // public-libecasound-API: yes // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA // ------------------------------------------------------------------------ #ifndef INCLUDED_SAMPLE_SPECS_H #define INCLUDED_SAMPLE_SPECS_H /** * Sample value defaults and constants. */ namespace SAMPLE_SPECS { /** * Type used to represent one sample value; should * be a floating point value (floating-point type) */ typedef float sample_t; /** * Type used to represent position in sample * frames (signed integer). */ #if defined _ISOC99_SOURCE || defined _ISOC9X_SOURCE || defined __GNUG__ typedef long long int sample_pos_t; #else typedef long int sample_pos_t; #endif /** * Type used to represent sample rate values (signed integer). */ typedef long int sample_rate_t; /** * Type used to identify individual channels (signed integer). */ typedef int channel_t; static const sample_t silent_value = 0.0f; // do not change! static const sample_t max_amplitude = 1.0f; static const sample_t impl_max_value = silent_value + max_amplitude; static const sample_t impl_min_value = silent_value - max_amplitude; static const channel_t ch_left = 0; static const channel_t ch_right = 1; } #endif