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Resolves significant memory usage issue - updates Airspy and HackRF with

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the recent changes applied to RTL2832 Tuner controller for processing of
libusb transfer buffers.
This commit is contained in:
denny
2016-02-27 06:19:35 -05:00
parent eead22ffad
commit cf2c0ca07d
3 changed files with 252 additions and 214 deletions
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6
src/source/tuner/rtl/RTL2832TunerController.java
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@@ -28,7 +28,6 @@ import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.LinkedTransferQueue;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.TimeUnit;
@@ -72,7 +71,7 @@ public abstract class RTL2832TunerController extends TunerController
public final static int TWO_TO_22_POWER = 4194304;
public final static byte USB_INTERFACE = (byte)0x0;
public final static byte BULK_ENDPOINT_IN = (byte)0x81;
public final static byte USB_BULK_ENDPOINT = (byte)0x81;
public final static byte CONTROL_ENDPOINT_IN =
(byte)( LibUsb.ENDPOINT_IN | LibUsb.REQUEST_TYPE_VENDOR );
public final static byte CONTROL_ENDPOINT_OUT =
@@ -1387,7 +1386,6 @@ public abstract class RTL2832TunerController extends TunerController
private ScheduledFuture<?> mSampleDispatcherTask;
private LinkedTransferQueue<Transfer> mAvailableTransfers;
private LinkedTransferQueue<Transfer> mTransfersInProgress = new LinkedTransferQueue<>();
private CopyOnWriteArrayList<Transfer> mTransfers;
private AtomicBoolean mRunning = new AtomicBoolean();
private ThreadPoolManager mThreadPoolManager;
private ByteBuffer mLibUsbHandlerStatus;
@@ -1577,7 +1575,7 @@ public abstract class RTL2832TunerController extends TunerController
final ByteBuffer buffer =
ByteBuffer.allocateDirect( mBufferSize );
LibUsb.fillBulkTransfer( transfer, mDeviceHandle, BULK_ENDPOINT_IN,
LibUsb.fillBulkTransfer( transfer, mDeviceHandle, USB_BULK_ENDPOINT,
buffer, BufferProcessor.this, "Buffer", TIMEOUT_US );
mAvailableTransfers.add( transfer );