src/audio/nds/SDL_ndsaudio.c
author Darren Alton <dalton@stevens.edu>
Sat, 19 Jul 2008 17:37:19 +0000
branchgsoc2008_nds
changeset 2680 4135aa9c5645
child 2685 2190b873ff00
permissions -rw-r--r--
More work on the accelerated 2D video driver, beginnings of sprite-based rendering support. Also some initial work on an audio driver.
     1 /*
     2     SDL - Simple DirectMedia Layer
     3     Copyright (C) 1997-2006 Sam Lantinga
     4 
     5     This library is free software; you can redistribute it and/or
     6     modify it under the terms of the GNU Lesser General Public
     7     License as published by the Free Software Foundation; either
     8     version 2.1 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     Lesser General Public License for more details.
    14 
    15     You should have received a copy of the GNU Lesser General Public
    16     License along with this library; if not, write to the Free Software
    17     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
    18 
    19     Sam Lantinga
    20     slouken@libsdl.org
    21 
    22     This file written by Ryan C. Gordon (icculus@icculus.org)
    23 */
    24 #include "SDL_config.h"
    25 
    26 /* Output audio to NDS */
    27 
    28 #include <nds.h>
    29 
    30 #include "SDL_audio.h"
    31 #include "../SDL_audio_c.h"
    32 #include "SDL_ndsaudio.h"
    33 
    34 static int
    35 NDSAUD_OpenDevice(_THIS, const char *devname, int iscapture)
    36 {
    37     return 1;                   /* always succeeds. */
    38 }
    39 
    40 static void
    41 NDSAUD_PlayDevice(_THIS)
    42 {
    43     TransferSoundData* sound = SDL_malloc(sizeof(TransferSoundData));
    44     if(!sound) {
    45         SDL_OutOfMemory();
    46     }
    47     sound->data = NULL;  /* pointer to raw audio data */
    48     sound->len = 0;      /* size of raw data pointed to above */
    49     sound->rate = 22050; /* sample rate = 22050Hz */
    50     sound->vol = 127;    /* volume [0..127] for [min..max] */
    51     sound->pan = 64;     /* balance [0..127] for [left..right] */
    52     sound->format = 0;   /* 0 for 16-bit, 1 for 8-bit */
    53     /* stub */
    54 }
    55 
    56 
    57 static Uint8 *
    58 NDSAUD_GetDeviceBuf(_THIS)
    59 {
    60     /* stub */
    61 }
    62 
    63 static void
    64 NDSAUD_WaitDevice(_THIS)
    65 {
    66     /* stub */
    67 }
    68 
    69 static void
    70 NDSAUD_CloseDevice(_THIS)
    71 {
    72     /* stub */
    73 }
    74 
    75 static int
    76 NDSAUD_Init(SDL_AudioDriverImpl * impl)
    77 {
    78     /* Set the function pointers */
    79     impl->OpenDevice = NDSAUD_OpenDevice;
    80     impl->PlayDevice = NDSAUD_PlayDevice;
    81     impl->WaitDevice = NDSAUD_WaitDevice;
    82     impl->GetDeviceBuf = NDSAUD_GetDeviceBuf;
    83     impl->CloseDevice = NDSAUD_CloseDevice;
    84     impl->OnlyHasDefaultOutputDevice = 1;
    85     return 1;
    86 }
    87 
    88 AudioBootStrap NDSAUD_bootstrap = {
    89     "nds", "SDL NDS audio driver", NDSAUD_Init, 1
    90 };
    91 
    92 /* vi: set ts=4 sw=4 expandtab: */