static uint32_t resampler_cb(void *userdata, float **data)
{
audioport_t *port = userdata;
uint32_t has_read = 0;
if (port->sample_cb)
has_read = port->sample_cb(port->re_pull_buffer, CELL_AUDIO_BLOCK_SAMPLES * port->channels * sizeof(int16_t), port->userdata);
else
{
has_read = CELL_AUDIO_BLOCK_SAMPLES * port->channels;
sys_lwmutex_lock(&port->lock, SYS_NO_TIMEOUT);
uint32_t avail = fifo_read_avail(port->buffer);
if (avail < CELL_AUDIO_BLOCK_SAMPLES * port->channels * sizeof(int16_t))
has_read = avail / sizeof(int16_t);
fifo_read(port->buffer, port->re_pull_buffer, has_read * sizeof(int16_t));
sys_lwmutex_unlock(&port->lock);
sys_lwcond_signal(&port->cond);
}
if (has_read < CELL_AUDIO_BLOCK_SAMPLES * port->channels * 2)
memset(port->re_pull_buffer + has_read, 0, (CELL_AUDIO_BLOCK_SAMPLES * port->channels - has_read) * sizeof(int16_t));
audio_convert_s16_to_float_altivec(port->re_buffer, port->re_pull_buffer, CELL_AUDIO_BLOCK_SAMPLES * port->channels);
*data = port->re_buffer;
return CELL_AUDIO_BLOCK_SAMPLES;
}
static void event_loop(uint64_t data)
#endif
{
float out_tmp[CELL_AUDIO_BLOCK_SAMPLES * AUDIO_CHANNELS]
__attribute__((aligned(16)));
sys_event_queue_t id;
sys_ipc_key_t key;
sys_event_t event;
ps3_audio_t *aud = data;
cellAudioCreateNotifyEventQueue(&id, &key);
cellAudioSetNotifyEventQueue(key);
while (!aud->quit_thread)
{
sys_event_queue_receive(id, &event, SYS_NO_TIMEOUT);
sys_lwmutex_lock(&aud->lock, SYS_NO_TIMEOUT);
if (fifo_read_avail(aud->buffer) >= sizeof(out_tmp))
fifo_read(aud->buffer, out_tmp, sizeof(out_tmp));
else
memset(out_tmp, 0, sizeof(out_tmp));
sys_lwmutex_unlock(&aud->lock);
sys_lwcond_signal(&aud->cond);
cellAudioAddData(aud->audio_port, out_tmp,
CELL_AUDIO_BLOCK_SAMPLES, 1.0);
}
cellAudioRemoveNotifyEventQueue(key);
sys_ppu_thread_exit(0);
}
