static int Audio_Available(void)
{
const char *envr = SDL_getenv("SDL_AUDIODRIVER");
if ((envr) && (SDL_strcmp(envr, MINT_AUDIO_DRIVER_NAME)!=0)) {
DEBUG_PRINT((DEBUG_NAME "user asked a different audio driver\n"));
return(0);
}
if (Getcookie(C__SND, &cookie_snd) == C_NOTFOUND) {
cookie_snd = SND_PSG;
}
if ((cookie_snd & SND_16BIT)==0) {
DEBUG_PRINT((DEBUG_NAME "no 16 bits sound\n"));
return(0);
}
cookie_gsxb = (Getcookie(C_GSXB, &cookie_gsxb) == C_FOUND);
if (((cookie_snd & SND_GSXB)==0) || (cookie_gsxb==0)) {
DEBUG_PRINT((DEBUG_NAME "no GSXB audio\n"));
return(0);
}
if (Locksnd()!=1) {
DEBUG_PRINT((DEBUG_NAME "audio locked by other application\n"));
return(0);
}
Unlocksnd();
DEBUG_PRINT((DEBUG_NAME "GSXB audio available!\n"));
return(1);
}
static int Audio_Available(void)
{
unsigned long dummy;
const char *envr = SDL_getenv("SDL_AUDIODRIVER");
/*SDL_MintAudio_mint_present = (Getcookie(C_MiNT, &dummy) == C_FOUND);*/
SDL_MintAudio_mint_present = SDL_FALSE;
/* We can't use XBIOS in interrupt with Magic, don't know about thread */
if (Getcookie(C_MagX, &dummy) == C_FOUND) {
return(0);
}
/* Check if user asked a different audio driver */
if ((envr) && (SDL_strcmp(envr, MINT_AUDIO_DRIVER_NAME)!=0)) {
DEBUG_PRINT((DEBUG_NAME "user asked a different audio driver\n"));
return(0);
}
/* Cookie _SND present ? if not, assume ST machine */
if (Getcookie(C__SND, &cookie_snd) == C_NOTFOUND) {
cookie_snd = SND_PSG;
}
/* Check if we have 16 bits audio */
if ((cookie_snd & SND_16BIT)==0) {
DEBUG_PRINT((DEBUG_NAME "no 16 bits sound\n"));
return(0);
}
/* Check if audio is lockable */
if (Locksnd()!=1) {
DEBUG_PRINT((DEBUG_NAME "audio locked by other application\n"));
return(0);
}
Unlocksnd();
DEBUG_PRINT((DEBUG_NAME "XBIOS audio available!\n"));
return(1);
}
static int Audio_Available(void)
{
const char *envr = getenv("SDL_AUDIODRIVER");
/* Check if user asked a different audio driver */
if ((envr) && (strcmp(envr, MINT_AUDIO_DRIVER_NAME)!=0)) {
DEBUG_PRINT((DEBUG_NAME "user asked a different audio driver\n"));
return(0);
}
/* Cookie _SND present ? if not, assume ST machine */
if (Getcookie(C__SND, &cookie_snd) == C_NOTFOUND) {
cookie_snd = SND_PSG;
}
/* Check if we have 16 bits audio */
if ((cookie_snd & SND_16BIT)==0) {
DEBUG_PRINT((DEBUG_NAME "no 16 bits sound\n"));
return(0);
}
/* Cookie GSXB present ? */
cookie_gsxb = (Getcookie(C_GSXB, &cookie_gsxb) == C_FOUND);
/* Is it GSXB ? */
if (((cookie_snd & SND_GSXB)==0) || (cookie_gsxb==0)) {
DEBUG_PRINT((DEBUG_NAME "no GSXB audio\n"));
return(0);
}
/* Check if audio is lockable */
if (Locksnd()!=1) {
DEBUG_PRINT((DEBUG_NAME "audio locked by other application\n"));
return(0);
}
Unlocksnd();
DEBUG_PRINT((DEBUG_NAME "GSXB audio available!\n"));
return(1);
}
static int Audio_Available(void)
{
const char *envr = SDL_getenv("SDL_AUDIODRIVER");
/* Check if user asked a different audio driver */
if ((envr) && (SDL_strcmp(envr, MINT_AUDIO_DRIVER_NAME)!=0)) {
DEBUG_PRINT((DEBUG_NAME "user asked a different audio driver\n"));
return 0;
}
/* Cookie _MCH present ? if not, assume ST machine */
if (Getcookie(C__MCH, &cookie_mch) == C_NOTFOUND) {
cookie_mch = MCH_ST;
}
/* Cookie _SND present ? if not, assume ST machine */
if (Getcookie(C__SND, &cookie_snd) == C_NOTFOUND) {
cookie_snd = SND_PSG;
}
/* Check if we have 8 bits audio */
if ((cookie_snd & SND_8BIT)==0) {
DEBUG_PRINT((DEBUG_NAME "no 8 bits sound\n"));
return(0);
}
/* Check if audio is lockable */
if (cookie_snd & SND_16BIT) {
if (Locksnd()!=1) {
DEBUG_PRINT((DEBUG_NAME "audio locked by other application\n"));
return(0);
}
Unlocksnd();
}
DEBUG_PRINT((DEBUG_NAME "8 bits audio available!\n"));
return(1);
}
static void Mint_CloseAudio(_THIS)
{
Buffoper(0);
if (NSetinterrupt(2, SI_NONE, Mint_GsxbNullInterrupt)<0) {
DEBUG_PRINT((DEBUG_NAME "NSetinterrupt() failed in close\n"));
}
while (SDL_MintAudio_mutex != 0) {
}
if (SDL_MintAudio_audiobuf[0]) {
Mfree(SDL_MintAudio_audiobuf[0]);
SDL_MintAudio_audiobuf[0] = SDL_MintAudio_audiobuf[1] = NULL;
}
Unlocksnd();
}
static void Mint_CloseAudio(_THIS)
{
/* Stop replay */
Buffoper(0);
/* Uninstall interrupt */
if (NSetinterrupt(2, SI_NONE, SDL_MintAudio_EmptyGsxbInterrupt)<0) {
DEBUG_PRINT((DEBUG_NAME "NSetinterrupt() failed in close\n"));
}
/* Wait if currently playing sound */
while (SDL_MintAudio_mutex != 0) {
}
/* Clear buffers */
if (SDL_MintAudio_audiobuf[0]) {
Mfree(SDL_MintAudio_audiobuf[0]);
SDL_MintAudio_audiobuf[0] = SDL_MintAudio_audiobuf[1] = NULL;
}
/* Unlock sound system */
Unlocksnd();
}
static void Mint_CloseAudio(_THIS)
{
SDL_MintAudio_WaitThread();
Buffoper(0);
if (!SDL_MintAudio_mint_present) {
Jdisint(MFP_DMASOUND);
}
while (SDL_MintAudio_mutex != 0) {
}
if (SDL_MintAudio_audiobuf[0]) {
Mfree(SDL_MintAudio_audiobuf[0]);
SDL_MintAudio_audiobuf[0] = SDL_MintAudio_audiobuf[1] = NULL;
}
Unlocksnd();
}
static void Mint_CloseAudio(_THIS)
{
/* Stop replay */
SDL_MintAudio_WaitThread();
Buffoper(0);
if (!SDL_MintAudio_mint_present) {
/* Uninstall interrupt */
Jdisint(MFP_DMASOUND);
}
/* Wait if currently playing sound */
while (SDL_MintAudio_mutex != 0) {
}
/* Clear buffers */
if (SDL_MintAudio_audiobuf[0]) {
Mfree(SDL_MintAudio_audiobuf[0]);
SDL_MintAudio_audiobuf[0] = SDL_MintAudio_audiobuf[1] = NULL;
}
/* Unlock sound system */
Unlocksnd();
}