static SDL_AudioDevice *Audio_CreateDevice(int devindex)
{
SDL_AudioDevice *this;
if (LoadNASLibrary() < 0) {
return NULL;
}
/* Initialize all variables that we clean on shutdown */
this = (SDL_AudioDevice *)SDL_malloc(sizeof(SDL_AudioDevice));
if ( this ) {
SDL_memset(this, 0, (sizeof *this));
this->hidden = (struct SDL_PrivateAudioData *)
SDL_malloc((sizeof *this->hidden));
}
if ( (this == NULL) || (this->hidden == NULL) ) {
SDL_OutOfMemory();
if ( this ) {
SDL_free(this);
}
return NULL;
}
SDL_memset(this->hidden, 0, (sizeof *this->hidden));
/* Set the function pointers */
this->OpenAudio = NAS_OpenAudio;
this->WaitAudio = NAS_WaitAudio;
this->PlayAudio = NAS_PlayAudio;
this->GetAudioBuf = NAS_GetAudioBuf;
this->CloseAudio = NAS_CloseAudio;
this->free = Audio_DeleteDevice;
return this;
}
static int
NAS_Init(SDL_AudioDriverImpl * impl)
{
if (LoadNASLibrary() < 0) {
return 0;
} else {
AuServer *aud = NAS_AuOpenServer("", 0, NULL, 0, NULL, NULL);
if (aud == NULL) {
SDL_SetError("NAS: AuOpenServer() failed (no audio server?)");
return 0;
}
NAS_AuCloseServer(aud);
}
/* Set the function pointers */
impl->OpenDevice = NAS_OpenDevice;
impl->PlayDevice = NAS_PlayDevice;
impl->WaitDevice = NAS_WaitDevice;
impl->GetDeviceBuf = NAS_GetDeviceBuf;
impl->CloseDevice = NAS_CloseDevice;
impl->Deinitialize = NAS_Deinitialize;
impl->OnlyHasDefaultOutputDevice = 1; /* !!! FIXME: is this true? */
return 1; /* this audio target is available. */
}
static int Audio_Available(void)
{
if (LoadNASLibrary() == 0) {
AuServer *aud = NAS_AuOpenServer("", 0, NULL, 0, NULL, NULL);
if (!aud) {
UnloadNASLibrary();
return 0;
}
NAS_AuCloseServer(aud);
UnloadNASLibrary();
return 1;
}
return 0;
}
