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(DirectSound) simplify dsound_thread

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This commit is contained in:
twinaphex 2015-04-09 06:50:47 +02:00
parent 35ef9a4393
commit 0d13e7a68d
1 changed files with 11 additions and 16 deletions
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27
audio/drivers/dsound.c
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@ -176,25 +176,27 @@ static void dsound_thread(void *data)
/* No space to write, or we don't have data in our fifo,
* but we can wait some time before it underruns ... */
rarch_sleep(1);
/* We could opt for using the notification interface,
* but it is not guaranteed to work, so use high
* priority sleeping patterns.
*/
rarch_sleep(1);
continue;
}
else if (fifo_avail < CHUNK_SIZE)
if (!grab_region(ds, write_ptr, &region))
{
ds->thread_alive = false;
SetEvent(ds->event);
break;
}
if (fifo_avail < CHUNK_SIZE)
{
/* Got space to write, but nothing in FIFO (underrun),
* fill block with silence. */
if (!grab_region(ds, write_ptr, &region))
{
ds->thread_alive = false;
SetEvent(ds->event);
break;
}
memset(region.chunk1, 0, region.size1);
memset(region.chunk2, 0, region.size2);
@ -205,13 +207,6 @@ static void dsound_thread(void *data)
{
/* All is good. Pull from it and notify FIFO. */
if (!grab_region(ds, write_ptr, &region))
{
ds->thread_alive = false;
SetEvent(ds->event);
break;
}
EnterCriticalSection(&ds->crit);
if (region.chunk1)
fifo_read(ds->buffer, region.chunk1, region.size1);