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	/***************************************************************************
2	* *
3	* LinuxSampler - modular, streaming capable sampler *
4	* *
5	* Copyright (C) 2003, 2004 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 "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	}