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Some audio work, setting default frequency, volume, etc. and calling …

…a generic playback function that uses them.
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Darren Alton committed Aug 15, 2008
1 parent 57c4e21 commit 872c417cc258ffaf206084aa2a54a32a2e1a194c

File 1 of 2 in 872c417

@@ -34,7 +34,36 @@
static int
NDSAUD_OpenDevice(_THIS, const char *devname, int iscapture)
{
return 1; /* always succeeds. */
SDL_AudioFormat test_format = SDL_FirstAudioFormat(this->spec.format);
int valid_datatype = 0;

this->hidden = SDL_malloc(sizeof(*(this->hidden)));
if(!this->hidden) {
SDL_OutOfMemory();
return 0;
}
SDL_memset(this->hidden, 0, (sizeof *this->hidden));

while ((!valid_datatype) && (test_format)) {
this->spec.format = test_format;
switch (test_format) {
case AUDIO_S8:
/*case AUDIO_S16LSB:*/
valid_datatype = 1;
break;
default:
test_format = SDL_NextAudioFormat();
break;
}
}

/* set the generic sound parameters */
setGenericSound(22050, /* sample rate */
127, /* volume */
64, /* panning/balance */
0); /* sound format*/

return 1;
}

static void
@@ -44,21 +73,23 @@ NDSAUD_PlayDevice(_THIS)
if(!sound) {
SDL_OutOfMemory();
}
sound->data = NULL; /* pointer to raw audio data */
sound->len = 0; /* size of raw data pointed to above */
sound->rate = 22050; /* sample rate = 22050Hz */
sound->vol = 127; /* volume [0..127] for [min..max] */
sound->pan = 64; /* balance [0..127] for [left..right] */
sound->format = 0; /* 0 for 16-bit, 1 for 8-bit */
/*playSound(sound);*/
/* stub */

playGenericSound(this->hidden->mixbuf, this->hidden->mixlen);

// sound->data = this->hidden->mixbuf;/* pointer to raw audio data */
// sound->len = this->hidden->mixlen; /* size of raw data pointed to above */
// sound->rate = 22050; /* sample rate = 22050Hz */
// sound->vol = 127; /* volume [0..127] for [min..max] */
// sound->pan = 64; /* balance [0..127] for [left..right] */
// sound->format = 0; /* 0 for 16-bit, 1 for 8-bit */
// playSound(sound);
}


static Uint8 *
NDSAUD_GetDeviceBuf(_THIS)
{
/* stub */
{ /* is this right? */
return this->hidden->mixbuf;
}

static void

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