static ssize_t ps3_audio_write(void *data, const void *buf, size_t size)
{
ps3_audio_t *aud = data;
if (aud->nonblocking)
{
if (fifo_write_avail(aud->buffer) < size)
return 0;
}
while (fifo_write_avail(aud->buffer) < size)
sys_lwcond_wait(&aud->cond, 0);
sys_lwmutex_lock(&aud->lock, SYS_NO_TIMEOUT);
fifo_write(aud->buffer, buf, size);
sys_lwmutex_unlock(&aud->lock);
return size;
}
static int32_t audioport_write(cell_audio_handle_t handle, const int16_t *data, uint32_t samples)
{
int32_t ret = samples;
uint32_t bytes = samples * sizeof(int16_t);
audioport_t *port = handle;
while (bytes)
{
sys_lwmutex_lock(&port->lock, SYS_NO_TIMEOUT);
uint32_t avail = fifo_write_avail(port->buffer);
sys_lwmutex_unlock(&port->lock);
uint32_t to_write = avail < bytes ? avail : bytes;
if (to_write)
{
sys_lwmutex_lock(&port->lock, SYS_NO_TIMEOUT);
fifo_write(port->buffer, data, to_write);
sys_lwmutex_unlock(&port->lock);
bytes -= to_write;
data += to_write >> 1;
}
else
sys_lwcond_wait(&port->cond, 0);
}
