/* thread function */
static bool emu_thread_process_msg(struct sample_queue_chunk *chunk)
{
long id = chunk->id;
bool ret = id != SPC_EMU_QUIT;
chunk->id = SPC_EMU_AUDIO; /* Reset chunk type to audio */
sample_queue.retval = 0;
if (id == SPC_EMU_LOAD)
{
struct spc_load *ld = (struct spc_load *)chunk->data;
ci->commit_discard_dcache();
SPC_Init(&spc_emu);
sample_queue.retval = SPC_load_spc(&spc_emu, ld->buf, ld->size);
/* Empty the audio queue */
ci->semaphore_release(&sample_queue.emu_sem_tail);
ci->semaphore_release(&sample_queue.emu_sem_tail);
ci->semaphore_wait(&sample_queue.emu_sem_head, TIMEOUT_NOBLOCK);
ci->semaphore_wait(&sample_queue.emu_sem_head, TIMEOUT_NOBLOCK);
sample_queue.head = sample_queue.tail = 0;
}
if (id != SPC_EMU_QUIT) {
ci->semaphore_release(&sample_queue.emu_evt_reply);
}
return ret;
}
/* thread function */
static bool emu_thread_process_msg(struct sample_queue_chunk *chunk)
{
long id = chunk->id;
bool ret = id != SPC_EMU_QUIT;
chunk->id = SPC_EMU_AUDIO; /* Reset chunk type to audio */
sample_queue.retval = 0;
if (id == SPC_EMU_LOAD)
{
struct spc_load *ld = (struct spc_load *)chunk->data;
ci->cpucache_invalidate();
SPC_Init(&spc_emu);
sample_queue.retval = SPC_load_spc(&spc_emu, ld->buf, ld->size);
/* Empty the audio queue */
/* This is a dirty hack a timeout based wait would make unnescessary but
still safe because the other thread is known to be waiting for a reply
and is not using the objects. */
ci->semaphore_init(&sample_queue.emu_sem_tail, 2, 2);
ci->semaphore_init(&sample_queue.emu_sem_head, 2, 0);
sample_queue.head = sample_queue.tail = 0;
}
if (id != SPC_EMU_QUIT) {
ci->semaphore_release(&sample_queue.emu_evt_reply);
}
return ret;
}
