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Allow configuration of maximum packet size

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This commit is contained in:
Cameron Gutman
2014-06-22 17:06:28 -07:00
parent 86e2657613
commit c9e5230e37
5 changed files with 28 additions and 10 deletions
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6
moonlight-common/src/com/limelight/nvstream/av/video/VideoDepacketizer.java
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@@ -29,13 +29,15 @@ public class VideoDepacketizer {
private ByteBufferDescriptor cachedSpecialDesc = new ByteBufferDescriptor(null, 0, 0);
private ConnectionStatusListener controlListener;
private int nominalPacketSize;
private static final int DU_LIMIT = 15;
private LinkedBlockingQueue<DecodeUnit> decodedUnits = new LinkedBlockingQueue<DecodeUnit>(DU_LIMIT);
public VideoDepacketizer(ConnectionStatusListener controlListener)
public VideoDepacketizer(ConnectionStatusListener controlListener, int nominalPacketSize)
{
this.controlListener = controlListener;
this.nominalPacketSize = nominalPacketSize;
}
private void clearAvcFrameState()
@@ -175,7 +177,7 @@ public class VideoDepacketizer {
// Runt packets get decoded using the slow path
// These packets stand alone so there's no need to verify
// sequencing before submitting
if (cachedReassemblyDesc.length < 968) {
if (cachedReassemblyDesc.length < nominalPacketSize - VideoPacket.HEADER_SIZE) {
addInputDataSlow(packet, cachedReassemblyDesc);
return;
}

6
moonlight-common/src/com/limelight/nvstream/av/video/VideoPacket.java
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@@ -22,6 +22,8 @@ public class VideoPacket {
public static final int FLAG_EOF = 0x2;
public static final int FLAG_SOF = 0x4;
public static final int HEADER_SIZE = 56;
public VideoPacket(byte[] buffer)
{
this.buffer = new ByteBufferDescriptor(buffer, 0, buffer.length);
@@ -39,7 +41,7 @@ public class VideoPacket {
streamPacketIndex = byteBuffer.getInt();
// Data offset without the RTP header
dataOffset = 56;
dataOffset = HEADER_SIZE;
// Update descriptor length
buffer.length = length;
@@ -59,7 +61,7 @@ public class VideoPacket {
streamPacketIndex = byteBuffer.getInt();
// Data offset includes the RTP header
dataOffset = RtpPacket.HEADER_SIZE + 56;
dataOffset = RtpPacket.HEADER_SIZE + HEADER_SIZE;
// Update descriptor length
buffer.length = length;

10
moonlight-common/src/com/limelight/nvstream/av/video/VideoStream.java
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@@ -13,6 +13,7 @@ import java.util.LinkedList;
import com.limelight.nvstream.NvConnectionListener;
import com.limelight.nvstream.StreamConfiguration;
import com.limelight.nvstream.av.ConnectionStatusListener;
import com.limelight.nvstream.av.RtpPacket;
public class VideoStream {
public static final int RTP_PORT = 47998;
@@ -22,8 +23,6 @@ public class VideoStream {
public static final int FIRST_FRAME_TIMEOUT = 5000;
public static final int RTP_RECV_BUFFER = 256 * 1024;
public static final int MAX_PACKET_SIZE = 1050;
// The ring size MUST be greater than or equal to
// the maximum number of packets in a fully
// presentable frame
@@ -96,7 +95,7 @@ public class VideoStream {
private void readFirstFrame() throws IOException
{
byte[] firstFrame = new byte[MAX_PACKET_SIZE];
byte[] firstFrame = new byte[streamConfig.getMaxPacketSize()];
firstFrameSocket = new Socket();
firstFrameSocket.setSoTimeout(FIRST_FRAME_TIMEOUT);
@@ -139,7 +138,7 @@ public class VideoStream {
decRend.setup(streamConfig.getWidth(), streamConfig.getHeight(),
60, renderTarget, drFlags);
depacketizer = new VideoDepacketizer(avConnListener);
depacketizer = new VideoDepacketizer(avConnListener, streamConfig.getMaxPacketSize());
}
}
@@ -183,8 +182,9 @@ public class VideoStream {
int ringIndex = 0;
// Preinitialize the ring buffer
int requiredBufferSize = streamConfig.getMaxPacketSize() + RtpPacket.HEADER_SIZE;
for (int i = 0; i < VIDEO_RING_SIZE; i++) {
ring[i] = new VideoPacket(new byte[MAX_PACKET_SIZE]);
ring[i] = new VideoPacket(new byte[requiredBufferSize]);
}
byte[] buffer;