public Status ReleaseBuffer(int slot, ulong frameNumber, ref AndroidFence fence)
{
if (slot < 0 || slot >= Core.Slots.Length)
{
return(Status.BadValue);
}
IProducerListener listener = null;
lock (Core.Lock)
{
if (Core.Slots[slot].FrameNumber != frameNumber)
{
return(Status.StaleBufferSlot);
}
foreach (BufferItem item in Core.Queue)
{
if (item.Slot == slot)
{
return(Status.BadValue);
}
}
if (Core.Slots[slot].BufferState == BufferState.Acquired)
{
Core.Slots[slot].BufferState = BufferState.Free;
Core.Slots[slot].Fence = fence;
listener = Core.ProducerListener;
}
else if (Core.Slots[slot].NeedsCleanupOnRelease)
{
Core.Slots[slot].NeedsCleanupOnRelease = false;
return(Status.StaleBufferSlot);
}
else
{
return(Status.BadValue);
}
Core.Slots[slot].GraphicBuffer.Object.DecrementNvMapHandleRefCount(Core.Owner);
Core.CheckSystemEventsLocked(Core.GetMaxBufferCountLocked(true));
Core.SignalDequeueEvent();
}
listener?.onBufferReleased();
return(Status.Success);
}
public override Status Disconnect(NativeWindowApi api)
{
IProducerListener producerListener = null;
Status status = Status.BadValue;
lock (Core.Lock)
{
if (Core.IsAbandoned)
{
return(Status.Success);
}
switch (api)
{
case NativeWindowApi.NVN:
case NativeWindowApi.CPU:
case NativeWindowApi.Media:
case NativeWindowApi.Camera:
if (Core.ConnectedApi == api)
{
Core.FreeAllBuffersLocked();
producerListener = Core.ProducerListener;
Core.ProducerListener = null;
Core.ConnectedApi = NativeWindowApi.NoApi;
Core.SignalDequeueEvent();
status = Status.Success;
}
break;
}
}
producerListener?.onBufferReleased();
return(status);
}
