Squashed commit of the following:

commit f4edf442741886cdbe071e2d15f6e6247269f7c5
Author: Andreas Huber <andih@google.com>
Date:   Tue Mar 12 09:09:18 2013 -0700

    Pass additional flags to the sink, use TCP by default in wolfiecast mode.

    Change-Id: I41e11a2375d4199656e45c4f149d8441d0016092

commit 6302602ed280a38287f507159abfb40a1da38c5a
Author: Andreas Huber <andih@google.com>
Date:   Tue Mar 12 08:51:58 2013 -0700

    tweaks

    Change-Id: Ie29e422d7258be522f4bb1f6c5afcf74c937e547

commit a38a860e4979ba563cadbaafa21b084439449d26
Author: Andreas Huber <andih@google.com>
Date:   Mon Mar 11 16:57:43 2013 -0700

    Report average lateness all the way from NuPlayerRenderer...

    Change-Id: I2e7700703ae656515e44b9c25610d26c75778111

commit a7d49b11675ea88be4029dd8451d1649db94571d
Author: Andreas Huber <andih@google.com>
Date:   Mon Mar 11 14:54:19 2013 -0700

    Make TimeSyncer smarter, enable TunnelRenderer

    Change-Id: I27377a60cd8feb01589da456967fddd34532c20e

commit 0f214c8ef68179f7b61512c37040939554013151
Author: Andreas Huber <andih@google.com>
Date:   Thu Mar 7 15:57:56 2013 -0800

    convert source timestamps to sink timestamps, report lateness.

    Change-Id: I051a60fbbceca2f7b508ae3dac6e01e402bae39e

commit 04a4f8e16bad09157b5615a5fa45310438955832
Author: Andreas Huber <andih@google.com>
Date:   Thu Mar 7 09:00:28 2013 -0800

    Sync time between sink and source.

    Change-Id: Ie8b4d75c957aa48310e7c81d1279761b9f821efe

commit aebe20e6184e3636a99082f8ece08e708015cb8d
Author: Andreas Huber <andih@google.com>
Date:   Wed Mar 6 09:03:12 2013 -0800

    play with back pressure

    Change-Id: I51eb69257e6a79e76f5f9c75ff99d8adbd083947

Change-Id: Ifdf57228667fed7fc71c5090a2c3f7cea1037c5c

4 files changed, 49 insertions, 4 deletions

diff --git a/media/libstagefright/wifi-display/rtp/RTPAssembler.cpp b/media/libstagefright/wifi-display/rtp/RTPAssembler.cpp
index d0ab60d..5f189e7 100644
--- a/media/libstagefright/wifi-display/rtp/RTPAssembler.cpp
+++ b/media/libstagefright/wifi-display/rtp/RTPAssembler.cpp
@@ -53,6 +53,11 @@ void RTPReceiver::TSAssembler::signalDiscontinuity() {
 }
 
 status_t RTPReceiver::TSAssembler::processPacket(const sp<ABuffer> &packet) {
+    int32_t rtpTime;
+    CHECK(packet->meta()->findInt32("rtp-time", &rtpTime));
+
+    packet->meta()->setInt64("timeUs", (rtpTime * 100ll) / 9);
+
     postAccessUnit(packet, mSawDiscontinuity);
 
     if (mSawDiscontinuity) {
diff --git a/media/libstagefright/wifi-display/rtp/RTPReceiver.cpp b/media/libstagefright/wifi-display/rtp/RTPReceiver.cpp
index 29482af..8711b08 100644
--- a/media/libstagefright/wifi-display/rtp/RTPReceiver.cpp
+++ b/media/libstagefright/wifi-display/rtp/RTPReceiver.cpp
@@ -221,10 +221,12 @@ void RTPReceiver::Source::dequeueMore() {
 
             mNumDeclaredLostPrior = mNumDeclaredLost;
 
-            ALOGI("lost %lld packets (%.2f %%), declared %d lost\n",
-                  lostInterval,
-                  100.0f * lostInterval / expectedInterval,
-                  declaredLostInterval);
+            if (declaredLostInterval > 0) {
+                ALOGI("lost %lld packets (%.2f %%), declared %d lost\n",
+                      lostInterval,
+                      100.0f * lostInterval / expectedInterval,
+                      declaredLostInterval);
+            }
         }
 
         mNextReportTimeUs = nowUs + kReportIntervalUs;
@@ -530,6 +532,40 @@ status_t RTPReceiver::connect(
     return OK;
 }
 
+status_t RTPReceiver::notifyLateness(int64_t latenessUs) {
+    sp<ABuffer> buf = new ABuffer(20);
+
+    uint8_t *ptr = buf->data();
+    ptr[0] = 0x80 | 0;
+    ptr[1] = 204;  // APP
+    ptr[2] = 0;
+
+    CHECK((buf->size() % 4) == 0u);
+    ptr[3] = (buf->size() / 4) - 1;
+
+    ptr[4] = kSourceID >> 24;  // SSRC
+    ptr[5] = (kSourceID >> 16) & 0xff;
+    ptr[6] = (kSourceID >> 8) & 0xff;
+    ptr[7] = kSourceID & 0xff;
+    ptr[8] = 'l';
+    ptr[9] = 'a';
+    ptr[10] = 't';
+    ptr[11] = 'e';
+
+    ptr[12] = latenessUs >> 56;
+    ptr[13] = (latenessUs >> 48) & 0xff;
+    ptr[14] = (latenessUs >> 40) & 0xff;
+    ptr[15] = (latenessUs >> 32) & 0xff;
+    ptr[16] = (latenessUs >> 24) & 0xff;
+    ptr[17] = (latenessUs >> 16) & 0xff;
+    ptr[18] = (latenessUs >> 8) & 0xff;
+    ptr[19] = latenessUs & 0xff;
+
+    mNetSession->sendRequest(mRTCPSessionID, buf->data(), buf->size());
+
+    return OK;
+}
+
 void RTPReceiver::onMessageReceived(const sp<AMessage> &msg) {
     switch (msg->what()) {
         case kWhatRTPNotify:
diff --git a/media/libstagefright/wifi-display/rtp/RTPReceiver.h b/media/libstagefright/wifi-display/rtp/RTPReceiver.h
index 2ae864a..ec4671d 100644
--- a/media/libstagefright/wifi-display/rtp/RTPReceiver.h
+++ b/media/libstagefright/wifi-display/rtp/RTPReceiver.h
@@ -53,6 +53,8 @@ struct RTPReceiver : public RTPBase, public AHandler {
             int32_t remoteRTPPort,
             int32_t remoteRTCPPort);
 
+    status_t notifyLateness(int64_t latenessUs);
+
 protected:
     virtual ~RTPReceiver();
     virtual void onMessageReceived(const sp<AMessage> &msg);
diff --git a/media/libstagefright/wifi-display/rtp/RTPSender.cpp b/media/libstagefright/wifi-display/rtp/RTPSender.cpp
index 85c5933..b60853d 100644
--- a/media/libstagefright/wifi-display/rtp/RTPSender.cpp
+++ b/media/libstagefright/wifi-display/rtp/RTPSender.cpp
@@ -577,6 +577,8 @@ status_t RTPSender::onRTCPData(const sp<ABuffer> &buffer) {
 
             case 202:  // SDES
             case 203:
+                break;
+
             case 204:  // APP
                 break;