static void RemoveActiveEffectSlots(const ALuint *slotids, ALsizei count, ALCcontext *context)
{
struct ALeffectslotArray *curarray = ATOMIC_LOAD(&context->ActiveAuxSlots,
almemory_order_acquire);
struct ALeffectslotArray *newarray = NULL;
ALCdevice *device = context->Device;
ALsizei i, j;
/* Don't shrink the allocated array size since we don't know how many (if
* any) of the effect slots to remove are in the array.
*/
newarray = al_calloc(DEF_ALIGN, FAM_SIZE(struct ALeffectslotArray, slot, curarray->count));
newarray->count = 0;
for(i = 0;i < curarray->count;i++)
{
/* Insert this slot into the new array only if it's not one to remove. */
ALeffectslot *slot = curarray->slot[i];
for(j = count;j != 0;)
{
if(slot->id == slotids[--j])
goto skip_ins;
}
newarray->slot[newarray->count++] = slot;
skip_ins: ;
}
/* TODO: Could reallocate newarray now that we know it's needed size. */
curarray = ATOMIC_EXCHANGE_PTR(&context->ActiveAuxSlots, newarray, almemory_order_acq_rel);
while((ATOMIC_LOAD(&device->MixCount, almemory_order_acquire)&1))
althrd_yield();
al_free(curarray);
}
int almtx_timedlock(almtx_t *mtx, const struct timespec *ts)
{
int ret;
#ifdef HAVE_PTHREAD_MUTEX_TIMEDLOCK
ret = pthread_mutex_timedlock(mtx, ts);
switch(ret)
{
case 0: return althrd_success;
case ETIMEDOUT: return althrd_timedout;
case EBUSY: return althrd_busy;
}
return althrd_error;
#else
if(!mtx || !ts)
return althrd_error;
while((ret=almtx_trylock(mtx)) == althrd_busy)
{
struct timespec now;
if(ts->tv_sec < 0 || ts->tv_nsec < 0 || ts->tv_nsec >= 1000000000 ||
altimespec_get(&now, AL_TIME_UTC) != AL_TIME_UTC)
return althrd_error;
if(now.tv_sec > ts->tv_sec || (now.tv_sec == ts->tv_sec && now.tv_nsec >= ts->tv_nsec))
return althrd_timedout;
althrd_yield();
}
return ret;
#endif
}
void alcall_once(alonce_flag *once, void (*callback)(void))
{
LONG ret;
while((ret=InterlockedExchange(once, 1)) == 1)
althrd_yield();
if(ret == 0)
(*callback)();
InterlockedExchange(once, 2);
}
static void AddActiveEffectSlots(const ALuint *slotids, ALsizei count, ALCcontext *context)
{
struct ALeffectslotArray *curarray = ATOMIC_LOAD(&context->ActiveAuxSlots,
almemory_order_acquire);
struct ALeffectslotArray *newarray = NULL;
ALsizei newcount = curarray->count + count;
ALCdevice *device = context->Device;
ALsizei i, j;
/* Insert the new effect slots into the head of the array, followed by the
* existing ones.
*/
newarray = al_calloc(DEF_ALIGN, FAM_SIZE(struct ALeffectslotArray, slot, newcount));
newarray->count = newcount;
for(i = 0;i < count;i++)
newarray->slot[i] = LookupEffectSlot(context, slotids[i]);
for(j = 0;i < newcount;)
newarray->slot[i++] = curarray->slot[j++];
/* Remove any duplicates (first instance of each will be kept). */
for(i = 1;i < newcount;i++)
{
for(j = i;j != 0;)
{
if(UNLIKELY(newarray->slot[i] == newarray->slot[--j]))
{
newcount--;
for(j = i;j < newcount;j++)
newarray->slot[j] = newarray->slot[j+1];
i--;
break;
}
}
}
/* Reallocate newarray if the new size ended up smaller from duplicate
* removal.
*/
if(UNLIKELY(newcount < newarray->count))
{
struct ALeffectslotArray *tmpnewarray = al_calloc(DEF_ALIGN,
FAM_SIZE(struct ALeffectslotArray, slot, newcount));
memcpy(tmpnewarray, newarray, FAM_SIZE(struct ALeffectslotArray, slot, newcount));
al_free(newarray);
newarray = tmpnewarray;
newarray->count = newcount;
}
curarray = ATOMIC_EXCHANGE_PTR(&context->ActiveAuxSlots, newarray, almemory_order_acq_rel);
while((ATOMIC_LOAD(&device->MixCount, almemory_order_acquire)&1))
althrd_yield();
al_free(curarray);
}
static void RemoveEffectSlotList(ALCcontext *context, const ALeffectslot *slot)
{
ALCdevice *device = context->Device;
const ALeffectslot *root, *next;
root = slot;
next = ATOMIC_LOAD(&slot->next);
if(!ATOMIC_COMPARE_EXCHANGE_STRONG(ALeffectslot*, &context->ActiveAuxSlotList, &root, next))
{
const ALeffectslot *cur;
do {
cur = root;
root = slot;
} while(!ATOMIC_COMPARE_EXCHANGE_STRONG(ALeffectslot*, &cur->next, &root, next));
}
/* Wait for any mix that may be using these effect slots to finish. */
while((ReadRef(&device->MixCount)&1) != 0)
althrd_yield();
}
int almtx_timedlock(almtx_t *mtx, const struct timespec *ts)
{
int ret;
if(!mtx || !ts)
return althrd_error;
while((ret=almtx_trylock(mtx)) == althrd_busy)
{
struct timespec now;
if(ts->tv_sec < 0 || ts->tv_nsec < 0 || ts->tv_nsec >= 1000000000 ||
altimespec_get(&now, AL_TIME_UTC) != AL_TIME_UTC)
return althrd_error;
if(now.tv_sec > ts->tv_sec || (now.tv_sec == ts->tv_sec && now.tv_nsec >= ts->tv_nsec))
return althrd_timedout;
althrd_yield();
}
return ret;
}
static void opensl_stop_playback(ALCdevice *Device)
{
osl_data *data = Device->ExtraData;
SLPlayItf player;
SLAndroidSimpleBufferQueueItf bufferQueue;
SLresult result;
result = VCALL(data->bufferQueueObject,GetInterface)(SL_IID_PLAY, &player);
PRINTERR(result, "bufferQueue->GetInterface");
if(SL_RESULT_SUCCESS == result)
{
result = VCALL(player,SetPlayState)(SL_PLAYSTATE_STOPPED);
PRINTERR(result, "player->SetPlayState");
}
result = VCALL(data->bufferQueueObject,GetInterface)(SL_IID_BUFFERQUEUE, &bufferQueue);
PRINTERR(result, "bufferQueue->GetInterface");
if(SL_RESULT_SUCCESS == result)
{
result = VCALL0(bufferQueue,Clear)();
PRINTERR(result, "bufferQueue->Clear");
}
if(SL_RESULT_SUCCESS == result)
{
SLAndroidSimpleBufferQueueState state;
do {
althrd_yield();
result = VCALL(bufferQueue,GetState)(&state);
} while(SL_RESULT_SUCCESS == result && state.count > 0);
PRINTERR(result, "bufferQueue->GetState");
}
free(data->buffer);
data->buffer = NULL;
data->bufferSize = 0;
}