src/audio/nto/SDL_nto_audio.h
author Sam Lantinga
Mon, 06 Feb 2006 08:28:51 +0000
changeset 1330 450721ad5436
parent 769 b8d311d90021
child 1361 19418e4422cb
permissions -rw-r--r--
It's now possible to build SDL without any C runtime at all on Windows,
using Visual C++ 2005
     1 /*
     2     SDL - Simple DirectMedia Layer
     3     Copyright (C) 1997-2004 Sam Lantinga
     4 
     5     This library is free software; you can redistribute it and/or
     6     modify it under the terms of the GNU Library General Public
     7     License as published by the Free Software Foundation; either
     8     version 2 of the License, or (at your option) any later version.
     9 
    10     This library is distributed in the hope that it will be useful,
    11     but WITHOUT ANY WARRANTY; without even the implied warranty of
    12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    13     Library General Public License for more details.
    14 
    15     You should have received a copy of the GNU Library General Public
    16     License along with this library; if not, write to the Free
    17     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    18 
    19     Sam Lantinga
    20     slouken@libsdl.org
    21 */
    22 
    23 #ifndef __SDL_NTO_AUDIO_H__
    24 #define __SDL_NTO_AUDIO_H__
    25 
    26 #include "SDL_sysaudio.h"
    27 #include <sys/asoundlib.h>
    28 
    29 /* Hidden "this" pointer for the audio functions */
    30 #define _THIS	SDL_AudioDevice *this
    31 
    32 struct SDL_PrivateAudioData
    33 {
    34     /* The audio device handle */
    35     int cardno;
    36     int deviceno;
    37     snd_pcm_t* audio_handle;
    38 
    39     /* The audio file descriptor */
    40     int audio_fd;
    41 
    42     /* The parent process id, to detect when application quits */
    43     pid_t parent;
    44 
    45     /* Raw mixing buffer */
    46     Uint8* pcm_buf;
    47     Uint32 pcm_len;
    48 
    49     /* QSA parameters */
    50     snd_pcm_channel_status_t cstatus;
    51     snd_pcm_channel_params_t cparams;
    52     snd_pcm_channel_setup_t  csetup;
    53 };
    54 
    55 #define cardno          (this->hidden->cardno)
    56 #define deviceno        (this->hidden->deviceno)
    57 #define audio_handle    (this->hidden->audio_handle)
    58 #define audio_fd        (this->hidden->audio_fd)
    59 #define parent          (this->hidden->parent)
    60 #define pcm_buf         (this->hidden->pcm_buf)
    61 #define pcm_len         (this->hidden->pcm_len)
    62 #define cstatus         (this->hidden->cstatus)
    63 #define cparams         (this->hidden->cparams)
    64 #define csetup          (this->hidden->csetup)
    65 
    66 #endif /* __SDL_NTO_AUDIO_H__ */