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annotate src/audio/alsa/SDL_alsa_audio.h @ 2947:fec0db6c44b7

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Date: Thu, 01 Jan 2009 21:32:12 +0100 From: Couriersud Subject: Fusionsound audio driver attached is a diff containing a audio driver for the FusionSound library. This sound library is closely related to DirectFB and uses the same transport (fusion) as DirectFB when running applications "remote", i.e. over the network. As such, it natively redirects sound where DirectFB redirects video. This may be handy for everyone using SDL over DirectFB.
author Sam Lantinga <slouken@libsdl.org>
date Thu, 01 Jan 2009 21:34:22 +0000
parents 99210400e8b9
children 4e83cdb58134
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 #ifndef _ALSA_PCM_audio_h
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25 #define _ALSA_PCM_audio_h
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26
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27 #define ALSA_PCM_OLD_HW_PARAMS_API
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28 #define ALSA_PCM_OLD_SW_PARAMS_API
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29 #include <alsa/asoundlib.h>
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30
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31 #include "../SDL_sysaudio.h"
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32
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33 /* Hidden "this" pointer for the audio functions */
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34 #define _THIS SDL_AudioDevice *this
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35
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36 struct SDL_PrivateAudioData
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37 {
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38 /* The audio device handle */
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39 snd_pcm_t *pcm_handle;
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40
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41 /* The parent process id, to detect when application quits */
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42 pid_t parent;
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43
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44 /* Raw mixing buffer */
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45 Uint8 *mixbuf;
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46 int mixlen;
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47 };
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48
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49 #endif /* _ALSA_PCM_audio_h */
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50 /* vi: set ts=4 sw=4 expandtab: */