diff --git a/media/libmedia/include/media/mediaplayer.h b/media/libmedia/include/media/mediaplayer.h
index 7986d98..d0a8e38 100644
--- a/media/libmedia/include/media/mediaplayer.h
+++ b/media/libmedia/include/media/mediaplayer.h
@@ -60,6 +60,7 @@
     MEDIA_META_DATA         = 202,
     MEDIA_DRM_INFO          = 210,
     MEDIA_TIME_DISCONTINUITY = 211,
+    MEDIA_IMS_RX_NOTICE     = 300,
     MEDIA_AUDIO_ROUTING_CHANGED = 10000,
 };
 
diff --git a/media/libmedia/mediaplayer.cpp b/media/libmedia/mediaplayer.cpp
index 5d6db69..1b89fc7 100644
--- a/media/libmedia/mediaplayer.cpp
+++ b/media/libmedia/mediaplayer.cpp
@@ -959,6 +959,9 @@
     case MEDIA_META_DATA:
         ALOGV("Received timed metadata message");
         break;
+    case MEDIA_IMS_RX_NOTICE:
+        ALOGV("Received IMS Rx notice message");
+        break;
     default:
         ALOGV("unrecognized message: (%d, %d, %d)", msg, ext1, ext2);
         break;
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayer.cpp b/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
index 8b585b1..3c4a96b 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
+++ b/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
@@ -2727,6 +2727,14 @@
             break;
         }
 
+        case Source::kWhatIMSRxNotice:
+        {
+            sp<AMessage> IMSRxNotice;
+            CHECK(msg->findMessage("message", &IMSRxNotice));
+            sendIMSRxNotice(IMSRxNotice);
+            break;
+        }
+
         default:
             TRESPASS();
     }
@@ -2829,6 +2837,38 @@
     }
 }
 
+void NuPlayer::sendIMSRxNotice(const sp<AMessage> &msg) {
+    int32_t notice, payloadType, feedbackType, id, bitrate;
+
+    CHECK(msg->findInt32("IMS-Rx-notice", &notice));
+    CHECK(msg->findInt32("payload-type", &payloadType));
+    CHECK(msg->findInt32("feedback-type", &feedbackType));
+    CHECK(msg->findInt32("sender", &id));
+
+    Parcel in;
+    in.writeInt32(payloadType);
+    in.writeInt32(feedbackType);
+    in.writeInt32(id);
+
+    switch (payloadType) {
+        case 205:   // TSFB
+        {
+            CHECK(msg->findInt32("bit-rate", &bitrate));
+            in.writeInt32(bitrate);
+            break;
+        }
+        case 206:   // PSFB
+        {
+            // nothing to do yet
+            break;
+        }
+        default:
+        break;
+    }
+
+    notifyListener(MEDIA_IMS_RX_NOTICE, 0, 0, &in);
+}
+
 const char *NuPlayer::getDataSourceType() {
     switch (mDataSourceType) {
         case DATA_SOURCE_TYPE_HTTP_LIVE:
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayer.h b/media/libmediaplayerservice/nuplayer/NuPlayer.h
index f316096..c96ad31 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayer.h
+++ b/media/libmediaplayerservice/nuplayer/NuPlayer.h
@@ -337,6 +337,7 @@
     void sendSubtitleData(const sp<ABuffer> &buffer, int32_t baseIndex);
     void sendTimedMetaData(const sp<ABuffer> &buffer);
     void sendTimedTextData(const sp<ABuffer> &buffer);
+    void sendIMSRxNotice(const sp<AMessage> &msg);
 
     void writeTrackInfo(Parcel* reply, const sp<AMessage>& format) const;
 
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerSource.h b/media/libmediaplayerservice/nuplayer/NuPlayerSource.h
index f137c52..eb39870 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayerSource.h
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerSource.h
@@ -58,6 +58,7 @@
         kWhatInstantiateSecureDecoders,
         // Modular DRM
         kWhatDrmInfo,
+        kWhatIMSRxNotice,
     };
 
     // The provides message is used to notify the player about various
diff --git a/media/libmediaplayerservice/nuplayer/RTPSource.cpp b/media/libmediaplayerservice/nuplayer/RTPSource.cpp
index de1f8a1..9bb4cb7 100644
--- a/media/libmediaplayerservice/nuplayer/RTPSource.cpp
+++ b/media/libmediaplayerservice/nuplayer/RTPSource.cpp
@@ -356,6 +356,22 @@
                 break;
             }
 
+            int32_t IMSRxNotice;
+            if (msg->findInt32("IMS-Rx-notice", &IMSRxNotice)) {
+                int32_t payloadType, feedbackType;
+                CHECK(msg->findInt32("payload-type", &payloadType));
+                CHECK(msg->findInt32("feedback-type", &feedbackType));
+
+                sp<AMessage> notify = dupNotify();
+                notify->setInt32("what", kWhatIMSRxNotice);
+                notify->setMessage("message", msg);
+                notify->post();
+
+                ALOGV("IMSRxNotice \t\t payload : %d feedback : %d",
+                      payloadType, feedbackType);
+                break;
+            }
+
             size_t trackIndex;
             CHECK(msg->findSize("trackIndex", &trackIndex));
 
diff --git a/media/libstagefright/rtsp/ARTPConnection.cpp b/media/libstagefright/rtsp/ARTPConnection.cpp
index 31b9239..1b08608 100644
--- a/media/libstagefright/rtsp/ARTPConnection.cpp
+++ b/media/libstagefright/rtsp/ARTPConnection.cpp
@@ -667,8 +667,12 @@
                 break;
 
             case 205:  // TSFB (transport layer specific feedback)
+                parseTSFB(s, data, headerLength);
+                break;
             case 206:  // PSFB (payload specific feedback)
                 // hexdump(data, headerLength);
+                parsePSFB(s, data, headerLength);
+                ALOGI("RTCP packet type %u of size %zu", (unsigned)data[1], headerLength);
                 break;
 
             case 203:
@@ -737,6 +741,123 @@
     return 0;
 }
 
+status_t ARTPConnection::parseTSFB(
+        StreamInfo *s, const uint8_t *data, size_t size) {
+    uint8_t msgType = data[0] & 0x1f;
+    uint32_t id = u32at(&data[4]);
+
+    if (size < 12) {
+        // broken packet
+        return -1;
+    }
+
+    const uint8_t *ptr = &data[12];
+    size -= 12;
+
+    using namespace std;
+    size_t FCISize;
+    switch(msgType) {
+        case 1:     // Generic NACK
+        {
+            FCISize = 4;
+            while (size >= FCISize) {
+                uint16_t PID = u16at(&ptr[0]);  // lost packet RTP number
+                uint16_t BLP = u16at(&ptr[2]);  // Bitmask of following Lost Packets
+
+                size -= FCISize;
+                ptr += FCISize;
+
+                AString list_of_losts;
+                list_of_losts.append(PID);
+                for (int i=0 ; i<16 ; i++) {
+                    bool is_lost = BLP & (0x1 << i);
+                    if (is_lost) {
+                        list_of_losts.append(", ");
+                        list_of_losts.append(PID + i);
+                    }
+                }
+                ALOGI("Opponent losts packet of RTP %s", list_of_losts.c_str());
+            }
+            break;
+        }
+        case 3:     // TMMBR
+        case 4:     // TMMBN
+        {
+            FCISize = 8;
+            while (size >= FCISize) {
+                uint32_t MxTBR = u32at(&ptr[4]);
+                uint32_t MxTBRExp = MxTBR >> 26;
+                uint32_t MxTBRMantissa = (MxTBR >> 9) & 0x01FFFF;
+                uint32_t overhead = MxTBR & 0x01FF;
+
+                size -= FCISize;
+                ptr += FCISize;
+
+                uint32_t bitRate = (1 << MxTBRExp) * MxTBRMantissa;
+
+                if (msgType == 3)
+                    ALOGI("Op -> UE Req Tx bitrate : %d X 2^%d = %d",
+                        MxTBRMantissa, MxTBRExp, bitRate);
+                else if (msgType == 4)
+                    ALOGI("OP -> UE Noti Rx bitrate : %d X 2^%d = %d",
+                        MxTBRMantissa, MxTBRExp, bitRate);
+
+                sp<AMessage> notify = s->mNotifyMsg->dup();
+                notify->setInt32("IMS-Rx-notice", 1);
+                notify->setInt32("payload-type", 205);
+                notify->setInt32("feedback-type", msgType);
+                notify->setInt32("sender", id);
+                notify->setInt32("bit-rate", bitRate);
+                notify->post();
+                ALOGI("overhead : %d", overhead);
+            }
+            break;
+        }
+        default:
+        {
+            ALOGI("Not supported TSFB type %d", msgType);
+            break;
+        }
+    }
+
+    return 0;
+}
+
+status_t ARTPConnection::parsePSFB(
+        StreamInfo *s, const uint8_t *data, size_t size) {
+    uint8_t msgType = data[0] & 0x1f;
+    uint32_t id = u32at(&data[4]);
+
+    if (size < 12) {
+        // broken packet
+        return -1;
+    }
+
+    size -= 12;
+
+    using namespace std;
+    switch(msgType) {
+        case 1:     // Picture Loss Indication (PLI)
+        {
+            CHECK(size == 0);   // PLI does not need parameters
+            sp<AMessage> notify = s->mNotifyMsg->dup();
+            notify->setInt32("IMS-Rx-notice", 1);
+            notify->setInt32("payload-type", 206);
+            notify->setInt32("feedback-type", msgType);
+            notify->setInt32("sender", id);
+            notify->post();
+            ALOGI("PLI detected.");
+            break;
+        }
+        default:
+        {
+            ALOGI("Not supported PSFB type %d", msgType);
+            break;
+        }
+    }
+
+    return 0;
+}
 sp<ARTPSource> ARTPConnection::findSource(StreamInfo *info, uint32_t srcId) {
     sp<ARTPSource> source;
     ssize_t index = info->mSources.indexOfKey(srcId);
diff --git a/media/libstagefright/rtsp/ARTPConnection.h b/media/libstagefright/rtsp/ARTPConnection.h
index 889ec30..f6c14b2 100644
--- a/media/libstagefright/rtsp/ARTPConnection.h
+++ b/media/libstagefright/rtsp/ARTPConnection.h
@@ -90,6 +90,8 @@
     status_t parseRTP(StreamInfo *info, const sp<ABuffer> &buffer);
     status_t parseRTCP(StreamInfo *info, const sp<ABuffer> &buffer);
     status_t parseSR(StreamInfo *info, const uint8_t *data, size_t size);
+    status_t parseTSFB(StreamInfo *info, const uint8_t *data, size_t size);
+    status_t parsePSFB(StreamInfo *info, const uint8_t *data, size_t size);
     status_t parseBYE(StreamInfo *info, const uint8_t *data, size_t size);
 
     sp<ARTPSource> findSource(StreamInfo *info, uint32_t id);