trunk/src/modulationsystem.cpp

/***************************************************************************
 *                                                                         *
 *   LinuxSampler - modular, streaming capable sampler                     *
 *                                                                         *
 *   Copyright (C) 2003 by Benno Senoner and Christian Schoenebeck         *
 *                                                                         *
 *   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                                                   *
 ***************************************************************************/

#include "modulationsystem.h"

float** ModulationSystem::pDestinationParameter = NULL;
uint    ModulationSystem::uiSampleRate;
uint    ModulationSystem::uiMaxSamplesPerCycle;

void ModulationSystem::Initialize(uint SampleRate, uint MaxSamplesPerCycle) {
    ModulationSystem::uiMaxSamplesPerCycle = MaxSamplesPerCycle;
    ModulationSystem::uiSampleRate         = SampleRate;
    if (!pDestinationParameter) {
        pDestinationParameter    = new float*[destination_count];
        pDestinationParameter[0] = new float[destination_count * MaxSamplesPerCycle];
        for (int i = 1; i < destination_count; i++) {
            pDestinationParameter[i] = pDestinationParameter[i - 1] + MaxSamplesPerCycle;
        }
    }
}

void ModulationSystem::Close() {
    if (pDestinationParameter) {
        delete[] ModulationSystem::pDestinationParameter[0];
        delete[] ModulationSystem::pDestinationParameter;
    }
}

/**
 * Initialize the parameter sequence for the modulation destination given by
 * by 'dst' with the constant value given by val.
 */
void ModulationSystem::ResetDestinationParameter(ModulationSystem::destination_t dst, float val) {
    for (int i = 0; i < uiMaxSamplesPerCycle; i++) pDestinationParameter[dst][i] = val;
}
1	schoenebeck	30	/***************************************************************************
2			* *
3			* LinuxSampler - modular, streaming capable sampler *
4			* *
5			* Copyright (C) 2003 by Benno Senoner and Christian Schoenebeck *
6			* *
7			* This program is free software; you can redistribute it and/or modify *
8			* it under the terms of the GNU General Public License as published by *
9			* the Free Software Foundation; either version 2 of the License, or *
10			* (at your option) any later version. *
11			* *
12			* This program is distributed in the hope that it will be useful, *
13			* but WITHOUT ANY WARRANTY; without even the implied warranty of *
14			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
15			* GNU General Public License for more details. *
16			* *
17			* You should have received a copy of the GNU General Public License *
18			* along with this program; if not, write to the Free Software *
19			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
20			* MA 02111-1307 USA *
21			***************************************************************************/
22
23			#include "modulationsystem.h"
24
25			float** ModulationSystem::pDestinationParameter = NULL;
26	schoenebeck	31	uint ModulationSystem::uiSampleRate;
27			uint ModulationSystem::uiMaxSamplesPerCycle;
28	schoenebeck	30
29	schoenebeck	31	void ModulationSystem::Initialize(uint SampleRate, uint MaxSamplesPerCycle) {
30			ModulationSystem::uiMaxSamplesPerCycle = MaxSamplesPerCycle;
31			ModulationSystem::uiSampleRate = SampleRate;
32	schoenebeck	30	if (!pDestinationParameter) {
33			pDestinationParameter = new float*[destination_count];
34	schoenebeck	31	pDestinationParameter[0] = new float[destination_count * MaxSamplesPerCycle];
35	schoenebeck	30	for (int i = 1; i < destination_count; i++) {
36	schoenebeck	31	pDestinationParameter[i] = pDestinationParameter[i - 1] + MaxSamplesPerCycle;
37	schoenebeck	30	}
38			}
39			}
40
41			void ModulationSystem::Close() {
42			if (pDestinationParameter) {
43			delete[] ModulationSystem::pDestinationParameter[0];
44			delete[] ModulationSystem::pDestinationParameter;
45			}
46			}
47
48			/**
49			* Initialize the parameter sequence for the modulation destination given by
50			* by 'dst' with the constant value given by val.
51			*/
52			void ModulationSystem::ResetDestinationParameter(ModulationSystem::destination_t dst, float val) {
53	schoenebeck	31	for (int i = 0; i < uiMaxSamplesPerCycle; i++) pDestinationParameter[dst][i] = val;
54	schoenebeck	30	}