/[svn]/linuxsampler/tags/start/audioio.h
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Contents of /linuxsampler/tags/start/audioio.h

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Sat Oct 25 20:24:32 2003 UTC (20 years, 5 months ago) by (unknown author)
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This commit was manufactured by cvs2svn to create tag 'start'.
1 /***************************************************************************
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 #ifndef __AUDIO_H__
24 #define __AUDIO_H__
25
26 // We only support Alsa at the moment
27
28 #include <stdio.h>
29 #include <stdlib.h>
30 #include <string.h>
31 #include <unistd.h>
32 #include <alsa/asoundlib.h>
33 #include <sched.h>
34 #include <sys/mman.h>
35
36 class AudioIO {
37 public:
38 int16_t* pOutputBuffer; ///< This is the buffer where the final mix will be copied to and send to the sound card
39 uint Channels;
40 uint Samplerate;
41 uint Fragments;
42 uint FragmentSize; ///< in sample points
43
44 AudioIO();
45 ~AudioIO();
46 int Initialize(uint channels, uint samplerate, uint numfragments, uint fragmentsize);
47 int Output();
48 void Close();
49 private:
50 snd_pcm_t* pcm_handle; ///< Handle for the PCM device
51 };
52
53 #endif // __AUDIO_H__

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