src/audiodriver/AudioChannel.cpp

/***************************************************************************
 *                                                                         *
 *   LinuxSampler - modular, streaming capable sampler                     *
 *                                                                         *
 *   Copyright (C) 2003, 2004 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 "AudioChannel.h"

namespace LinuxSampler {

    /**
     * Create real channel.
     *
     * @param BufferSize - desired audio data buffer size
     * @param Name       - arbitrary name for this channel (optional)
     */
    AudioChannel::AudioChannel(uint BufferSize, String Name) {
        this->pBuffer            = new float[BufferSize];
        this->uiBufferSize       = BufferSize;
        this->pMixChannel        = NULL;
        this->Name               = Name;
        this->UsesExternalBuffer = false;
        Clear();
    }

    /**
     * Create channel with external (already existing) audio buffer.
     *
     * @param pBuffer    - external audio buffer
     * @param BufferSIze - size of the external buffer
     * @param Name       - arbitrary name for this channel (optional)
     */
    AudioChannel::AudioChannel(float* pBuffer, uint BufferSize, String Name) {
        this->pBuffer            = pBuffer;
        this->uiBufferSize       = BufferSize;
        this->pMixChannel        = NULL;
        this->Name               = Name;
        this->UsesExternalBuffer = true;
        Clear();
    }

    /**
     * Create mix channel.
     *
     * @param pMixChannel - the real channel this new mix channel refers to
     * @param Name        - arbitrary name for this channel (optional)
     */
    AudioChannel::AudioChannel(AudioChannel* pMixChannel, String Name) {
        this->pBuffer            = pMixChannel->Buffer();
        this->uiBufferSize       = pMixChannel->uiBufferSize;
        this->pMixChannel        = pMixChannel;
        this->Name               = Name;
        this->UsesExternalBuffer = true;
        Clear();
    }

    /**
     * Destructor
     */
    AudioChannel::~AudioChannel() {
        if (!UsesExternalBuffer) delete[] pBuffer;
    }
}
1	schoenebeck	53	/***************************************************************************
2			* *
3			* LinuxSampler - modular, streaming capable sampler *
4			* *
5	schoenebeck	56	* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck *
6	schoenebeck	53	* *
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 "AudioChannel.h"
24
25			namespace LinuxSampler {
26
27			/**
28			* Create real channel.
29			*
30			* @param BufferSize - desired audio data buffer size
31			* @param Name - arbitrary name for this channel (optional)
32			*/
33			AudioChannel::AudioChannel(uint BufferSize, String Name) {
34			this->pBuffer = new float[BufferSize];
35			this->uiBufferSize = BufferSize;
36			this->pMixChannel = NULL;
37			this->Name = Name;
38			this->UsesExternalBuffer = false;
39			Clear();
40			}
41
42			/**
43			* Create channel with external (already existing) audio buffer.
44			*
45			* @param pBuffer - external audio buffer
46			* @param BufferSIze - size of the external buffer
47			* @param Name - arbitrary name for this channel (optional)
48			*/
49			AudioChannel::AudioChannel(float* pBuffer, uint BufferSize, String Name) {
50			this->pBuffer = pBuffer;
51			this->uiBufferSize = BufferSize;
52			this->pMixChannel = NULL;
53			this->Name = Name;
54			this->UsesExternalBuffer = true;
55			Clear();
56			}
57
58			/**
59			* Create mix channel.
60			*
61			* @param pMixChannel - the real channel this new mix channel refers to
62			* @param Name - arbitrary name for this channel (optional)
63			*/
64			AudioChannel::AudioChannel(AudioChannel* pMixChannel, String Name) {
65			this->pBuffer = pMixChannel->Buffer();
66			this->uiBufferSize = pMixChannel->uiBufferSize;
67			this->pMixChannel = pMixChannel;
68			this->Name = Name;
69			this->UsesExternalBuffer = true;
70			Clear();
71			}
72
73			/**
74			* Destructor
75			*/
76			AudioChannel::~AudioChannel() {
77			if (!UsesExternalBuffer) delete[] pBuffer;
78			}
79			}