void finish_sound_buffer (void) {
if (currprefs.turbo_emulation)
return;
#ifdef DRIVESOUND
driveclick_mix ((uae_s16*)paula_sndbuffer, paula_sndbufsize / 2, currprefs.dfxclickchannelmask);
#endif
if (!have_sound)
return;
if (statuscnt > 0) {
statuscnt--;
if (statuscnt == 0)
gui_data.sndbuf_status = 0;
}
if (gui_data.sndbuf_status == 3)
gui_data.sndbuf_status = 0;
/*
static int get_audio_buffer_fill() {
return g_audio_buffer_queue_size * SYS_BUFFER_BYTES + g_audio_buffer_pos;
}
*/
if (g_audio_callback) {
g_audio_callback((int16_t *) paula_sndbuffer, paula_sndbufsize);
}
//uae_sem_post (&data_available_sem);
//uae_sem_wait (&callback_done_sem);
}
bool cda_audio::play(int bufnum) {
if (!active) {
return false;
}
uae_s16 *p = (uae_s16*)(buffers[bufnum]);
for (int i = 0; i < num_sectors * sectorsize / 4; i++) {
p[i * 2 + 0] = p[i * 2 + 0] * volume[0] / 32768;
p[i * 2 + 1] = p[i * 2 + 1] * volume[1] / 32768;
}
if (g_audio_callback) {
int len = num_sectors * sectorsize;
#ifdef WORDS_BIGENDIAN
int8_t *d = (int8_t *) p;
int8_t temp = 0;
for (int i = 0; i < len; i += 2) {
temp = d[i + 1];
d[i + 1] = d[i];
d[i] = temp;
}
#endif
buffer_ids[bufnum] = g_audio_callback(3, p, len);
}
else {
buffer_ids[bufnum] = 0;
}
#if 0
mBufferDone[bufnum] = 0;
#endif
return true;
}
static void *audio_thread(void *cda_pointer) {
cda_audio *cda = (cda_audio *) cda_pointer;
int bufnum = 0;
while (!cda->mStopThread) {
if (g_amiga_paused) {
Sleep(10);
continue;
}
if (cda->mBufferDone[bufnum]) {
// waiting for buffer to become ready to play
Sleep(1);
continue;
}
uae_s16 *p = (uae_s16*)(cda->buffers[bufnum]);
if (g_audio_callback) {
for (int i = 0; i < cda->num_sectors; i++) {
g_audio_callback(3, p, 2352);
p += (2352 / 2);
// FIXME: use a clock here as well, to time the sleeps
// better..
Sleep(1000 * 2352.0 / BYTES_PER_SEC);
}
}
cda->mBufferDone[bufnum] = 1;
bufnum = !bufnum;
}
write_log("end of cdda thread\n");
return NULL;
}
bool cda_audio::isplaying(int bufnum)
{
if (!active || !playing)
return false;
if (buffer_ids[bufnum] == 0) {
return false;
}
return g_audio_callback(3, NULL, buffer_ids[bufnum]);
}
static void send_sound (struct sound_data *sd, uae_u16 *sndbuffer)
{
#if 0
if (savestate_state)
return;
if (sd->paused)
return;
if (sd->softvolume >= 0) {
uae_s16 *p = (uae_s16*)sndbuffer;
for (int i = 0; i < sd->sndbufsize / 2; i++) {
p[i] = p[i] * sd->softvolume / 32768;
}
}
#endif
if (g_audio_callback) {
g_audio_callback(0, (int16_t *) paula_sndbuffer, paula_sndbufsize);
}
}
void cda_audio::wait(int bufnum) {
if (!active || !playing) {
return;
}
if (buffer_ids[bufnum] == 0) {
return;
}
// calling g_audio_callback with NULL parameter to check status
while (!g_audio_callback(3, NULL, buffer_ids[bufnum])) {
Sleep (10);
}
#if 0
while (!mBufferDone[bufnum]) {
Sleep (10);
}
#endif
}
void restart_sound_buffer(void)
{
if (g_audio_callback) {
g_audio_callback(2, NULL, 0);
}
}
void pause_sound_buffer (void)
{
if (g_audio_callback) {
g_audio_callback(1, NULL, 0);
}
}
