Merge "Spatializer: Workaround for Head Tracking on BT AAC" into tm-qpr-dev
diff --git a/media/libheadtracking/SensorPoseProvider.cpp b/media/libheadtracking/SensorPoseProvider.cpp
index bd8af04..3dee40a 100644
--- a/media/libheadtracking/SensorPoseProvider.cpp
+++ b/media/libheadtracking/SensorPoseProvider.cpp
@@ -122,6 +122,7 @@
     ~SensorPoseProviderImpl() override {
         // Disable all active sensors.
         mEnabledSensors.clear();
+        mQuit = true;
         mLooper->wake();
         mThread.join();
     }
@@ -217,6 +218,7 @@
         std::optional<int32_t> discontinuityCount;
     };
 
+    bool mQuit = false;
     sp<Looper> mLooper;
     Listener* const mListener;
     SensorManager* const mSensorManager;
@@ -260,13 +262,14 @@
 
         initFinished(true);
 
-        while (true) {
+        while (!mQuit) {
             int ret = mLooper->pollOnce(-1 /* no timeout */, nullptr, nullptr, nullptr);
 
             switch (ret) {
                 case ALOOPER_POLL_WAKE:
-                    // Normal way to exit.
-                    return;
+                    // Continue to see if mQuit flag is set.
+                    // This can be spurious (due to bugreport being taken).
+                    continue;
 
                 case kIdent:
                     // Possible events on our queue.
@@ -285,7 +288,8 @@
             ssize_t size = mQueue->filterEvents(&event, actual);
 
             if (size < 0 || size > 1) {
-                ALOGE("Unexpected return value from SensorEventQueue::filterEvents: %zd", size);
+                ALOGE("%s: Unexpected return value from SensorEventQueue::filterEvents: %zd",
+                        __func__, size);
                 break;
             }
             if (size == 0) {
@@ -295,6 +299,7 @@
 
             handleEvent(event);
         }
+        ALOGD("%s: Exiting sensor event loop", __func__);
     }
 
     void handleEvent(const ASensorEvent& event) {
diff --git a/media/libmediaplayerservice/StagefrightRecorder.cpp b/media/libmediaplayerservice/StagefrightRecorder.cpp
index a0bc8ca..6497b58 100644
--- a/media/libmediaplayerservice/StagefrightRecorder.cpp
+++ b/media/libmediaplayerservice/StagefrightRecorder.cpp
@@ -129,6 +129,7 @@
       mRTPCVOExtMap(-1),
       mRTPCVODegrees(0),
       mRTPSockDscp(0),
+      mRTPSockOptEcn(0),
       mRTPSockNetwork(0),
       mLastSeqNo(0),
       mStarted(false),
@@ -910,6 +911,13 @@
     return OK;
 }
 
+status_t StagefrightRecorder::setParamRtpEcn(int32_t ecn) {
+    ALOGV("setParamRtpEcn: %d", ecn);
+
+    mRTPSockOptEcn = ecn;
+    return OK;
+}
+
 status_t StagefrightRecorder::requestIDRFrame() {
     status_t ret = BAD_VALUE;
     if (mVideoEncoderSource != NULL) {
@@ -1091,6 +1099,11 @@
         if (safe_strtoi32(value.string(), &dscp)) {
             return setParamRtpDscp(dscp);
         }
+    } else if (key == "rtp-param-set-socket-ecn") {
+        int32_t targetEcn;
+        if (safe_strtoi32(value.string(), &targetEcn)) {
+            return setParamRtpEcn(targetEcn);
+        }
     } else if (key == "rtp-param-set-socket-network") {
         int64_t networkHandle;
         if (safe_strtoi64(value.string(), &networkHandle)) {
@@ -1272,6 +1285,9 @@
             if (mRTPSockDscp > 0) {
                 meta->setInt32(kKeyRtpDscp, mRTPSockDscp);
             }
+            if (mRTPSockOptEcn > 0) {
+                meta->setInt32(kKeyRtpEcn, mRTPSockOptEcn);
+            }
 
             status = mWriter->start(meta.get());
             break;
diff --git a/media/libmediaplayerservice/StagefrightRecorder.h b/media/libmediaplayerservice/StagefrightRecorder.h
index d7785da..0801101 100644
--- a/media/libmediaplayerservice/StagefrightRecorder.h
+++ b/media/libmediaplayerservice/StagefrightRecorder.h
@@ -153,6 +153,7 @@
     int32_t mRTPCVOExtMap;
     int32_t mRTPCVODegrees;
     int32_t mRTPSockDscp;
+    int32_t mRTPSockOptEcn;
     int64_t mRTPSockNetwork;
     uint32_t mLastSeqNo;
 
@@ -247,6 +248,7 @@
     status_t setRTPCVOExtMap(int32_t extmap);
     status_t setRTPCVODegrees(int32_t cvoDegrees);
     status_t setParamRtpDscp(int32_t dscp);
+    status_t setParamRtpEcn(int32_t ecn);
     status_t setSocketNetwork(int64_t networkHandle);
     status_t requestIDRFrame();
     void clipVideoBitRate();
diff --git a/media/libmediaplayerservice/nuplayer/RTPSource.cpp b/media/libmediaplayerservice/nuplayer/RTPSource.cpp
index 6a17972..fd03150 100644
--- a/media/libmediaplayerservice/nuplayer/RTPSource.cpp
+++ b/media/libmediaplayerservice/nuplayer/RTPSource.cpp
@@ -115,7 +115,7 @@
 
         int sockRtp, sockRtcp;
         ARTPConnection::MakeRTPSocketPair(&sockRtp, &sockRtcp, info->mLocalIp, info->mRemoteIp,
-                info->mLocalPort, info->mRemotePort, info->mSocketNetwork);
+                info->mLocalPort, info->mRemotePort, info->mSocketNetwork, info->mRtpSockOptEcn);
 
         sp<AMessage> notify = new AMessage('accu', this);
 
@@ -125,6 +125,8 @@
         mRTPConn->addStream(sockRtp, sockRtcp, desc, i + 1, notify, false);
         mRTPConn->setSelfID(info->mSelfID);
         mRTPConn->setStaticJitterTimeMs(info->mJbTimeMs);
+        mRTPConn->setRtpSockOptEcn(info->mRtpSockOptEcn);
+        mRTPConn->setIsIPv6(info->mLocalIp);
 
         unsigned long PT;
         AString formatDesc, formatParams;
@@ -719,6 +721,8 @@
     } else if (key == "rtp-param-set-socket-network") {
         int64_t networkHandle = atoll(value);
         setSocketNetwork(networkHandle);
+    } else if (key == "rtp-param-set-socket-ecn") {
+        info->mRtpSockOptEcn = atoi(value);
     } else if (key == "rtp-param-jitter-buffer-time") {
         // clamping min at 40, max at 3000
         info->mJbTimeMs = std::min(std::max(40, atoi(value)), 3000);
diff --git a/media/libmediaplayerservice/nuplayer/include/nuplayer/RTPSource.h b/media/libmediaplayerservice/nuplayer/include/nuplayer/RTPSource.h
index 7d9bb8f..b2afe86 100644
--- a/media/libmediaplayerservice/nuplayer/include/nuplayer/RTPSource.h
+++ b/media/libmediaplayerservice/nuplayer/include/nuplayer/RTPSource.h
@@ -121,6 +121,8 @@
         uint32_t mSelfID;
         /* extmap:<value> for CVO will be set to here */
         int32_t mCVOExtMap;
+        /* To check ECN is supported or not */
+        int32_t mRtpSockOptEcn;
 
         /* a copy of TrackInfo in RTSPSource */
         sp<AnotherPacketSource> mSource;
diff --git a/media/libstagefright/include/media/stagefright/MetaDataBase.h b/media/libstagefright/include/media/stagefright/MetaDataBase.h
index 88c1f3f..31faafb 100644
--- a/media/libstagefright/include/media/stagefright/MetaDataBase.h
+++ b/media/libstagefright/include/media/stagefright/MetaDataBase.h
@@ -267,6 +267,7 @@
     kKeyRtpExtMap        = 'extm', // int32_t, rtp extension ID for cvo on RTP protocol.
     kKeyRtpCvoDegrees    = 'cvod', // int32_t, rtp cvo degrees as per 3GPP 26.114.
     kKeyRtpDscp          = 'dscp', // int32_t, DSCP(Differentiated services codepoint) of RFC 2474.
+    kKeyRtpEcn           = 'sEcn', // int32_t, ECN (Explicit Congestion Notification) of RFC 3168
     kKeySocketNetwork    = 'sNet', // int64_t, socket will be bound to network handle.
 
     // Slow-motion markers
diff --git a/media/libstagefright/rtsp/ARTPConnection.cpp b/media/libstagefright/rtsp/ARTPConnection.cpp
index a61f48f..165c336 100644
--- a/media/libstagefright/rtsp/ARTPConnection.cpp
+++ b/media/libstagefright/rtsp/ARTPConnection.cpp
@@ -16,6 +16,12 @@
 
 //#define LOG_NDEBUG 0
 #define LOG_TAG "ARTPConnection"
+#define INET_ECN_NOT_ECT    0x00    /* ECN was not enabled */
+#define INET_ECN_ECT_1      0x01    /* ECN capable packet */
+#define INET_ECN_ECT_0      0x02    /* ECN capable packet */
+#define INET_ECN_CE         0x03    /* ECN congestion */
+#define INET_ECN_MASK       0x03    /* Mask of ECN bits */
+
 #include <utils/Log.h>
 
 #include <media/stagefright/rtsp/ARTPAssembler.h>
@@ -56,6 +62,7 @@
 
 // static
 const int64_t ARTPConnection::kSelectTimeoutUs = 1000LL;
+const int64_t ARTPConnection::kMinOneSecondNotifyDelayUs = 100000ll;
 
 struct ARTPConnection::StreamInfo {
     bool isIPv6;
@@ -84,7 +91,10 @@
       mPollEventPending(false),
       mLastReceiverReportTimeUs(-1),
       mLastBitrateReportTimeUs(-1),
+      mLastCongestionNotifyTimeUs(-1),
       mTargetBitrate(-1),
+      mRtpSockOptEcn(0),
+      mIsIPv6(false),
       mStaticJitterTimeMs(kStaticJitterTimeMs) {
 }
 
@@ -175,7 +185,7 @@
 // static
 void ARTPConnection::MakeRTPSocketPair(
         int *rtpSocket, int *rtcpSocket, const char *localIp, const char *remoteIp,
-        unsigned localPort, unsigned remotePort, int64_t socketNetwork) {
+        unsigned localPort, unsigned remotePort, int64_t socketNetwork, int32_t sockOptEcn) {
     bool isIPv6 = false;
     if (strchr(localIp, ':') != NULL)
         isIPv6 = true;
@@ -204,6 +214,24 @@
         }
     }
 
+    if (sockOptEcn != 0) {
+        int sockOptForTOS = 1;
+        if (setsockopt(*rtpSocket, isIPv6 ? IPPROTO_IPV6 : IPPROTO_IP,
+               isIPv6 ? IPV6_RECVTCLASS : IP_RECVTOS,
+               (int *)&sockOptForTOS, sizeof(sockOptForTOS)) < 0) {
+            ALOGE("failed to set recv sockopt TOS on rtpsock(%d). err=%s", *rtpSocket,
+                strerror(errno));
+        } else {
+            ALOGD("successfully set recv sockopt TOS on rtpsock(%d)", *rtpSocket);
+            int result = setsockopt(*rtcpSocket, isIPv6 ? IPPROTO_IPV6 : IPPROTO_IP,
+                isIPv6 ? IPV6_RECVTCLASS : IP_RECVTOS,
+                (int *)&sockOptForTOS, sizeof(sockOptForTOS));
+            if (result >= 0) {
+                ALOGD("successfully set recv sockopt TOS on rtcpsock(%d).", *rtcpSocket);
+            }
+        }
+    }
+
     bumpSocketBufferSize(*rtcpSocket);
 
     struct sockaddr *addr;
@@ -593,32 +621,25 @@
 
     sp<ABuffer> buffer = new ABuffer(65536);
 
-    struct sockaddr *pRemoteRTCPAddr;
-    int sizeSockSt;
-    if (s->isIPv6) {
-        pRemoteRTCPAddr = (struct sockaddr *)&s->mRemoteRTCPAddr6;
-        sizeSockSt = sizeof(struct sockaddr_in6);
-    } else {
-        pRemoteRTCPAddr = (struct sockaddr *)&s->mRemoteRTCPAddr;
-        sizeSockSt = sizeof(struct sockaddr_in);
-    }
-    socklen_t remoteAddrLen =
-        (!receiveRTP && s->mNumRTCPPacketsReceived == 0)
-            ? sizeSockSt : 0;
+    struct msghdr sMsg = {};
+    struct iovec sIov[1] = {};
 
-    if (mFlags & kViLTEConnection) {
-        remoteAddrLen = 0;
-    }
+    sIov[0].iov_base = (char *) buffer->data();
+    sIov[0].iov_len = buffer->capacity();
+
+    sMsg.msg_iov = sIov;
+    sMsg.msg_iovlen = 1;
+
+    int cMsgSize = sizeof(struct cmsghdr) + sizeof(uint8_t);
+    char buf[CMSG_SPACE(cMsgSize)];
+    sMsg.msg_control = buf;
+    sMsg.msg_controllen = sizeof(buf);
+    sMsg.msg_flags = 0;
 
     ssize_t nbytes;
     do {
-        nbytes = recvfrom(
-            receiveRTP ? s->mRTPSocket : s->mRTCPSocket,
-            buffer->data(),
-            buffer->capacity(),
-            0,
-            remoteAddrLen > 0 ? pRemoteRTCPAddr : NULL,
-            remoteAddrLen > 0 ? &remoteAddrLen : NULL);
+        // Used recvmsg to get the TOS header of incoming packet
+        nbytes = recvmsg(receiveRTP ? s->mRTPSocket : s->mRTCPSocket, &sMsg, 0);
         mCumulativeBytes += nbytes;
     } while (nbytes < 0 && errno == EINTR);
 
@@ -633,6 +654,10 @@
         }
     }
 
+    if (nbytes > 0) {
+        handleIpHeadersIfReceived(s, sMsg);
+    }
+
     buffer->setRange(0, nbytes);
 
     // ALOGI("received %d bytes.", buffer->size());
@@ -647,13 +672,68 @@
     return err;
 }
 
+/* This function will check if TOS is present or not in received IP packet.
+ * After that if it is present then it will notify about congestion to upper
+ * layer if CE bit is set in TOS header.
+ **/
+void ARTPConnection::handleIpHeadersIfReceived(StreamInfo *s, struct msghdr sMsg) {
+    struct cmsghdr *cMsg;
+    cMsg = CMSG_FIRSTHDR(&sMsg);
+
+    if (cMsg == NULL) {
+        ALOGV("cmsg is null");
+    }
+
+    for (; cMsg != NULL; cMsg = CMSG_NXTHDR(&sMsg, cMsg)) {
+        bool isTOSHeader = ((cMsg->cmsg_level == (mIsIPv6 ? IPPROTO_IPV6 : IPPROTO_IP))
+                              && (cMsg->cmsg_type == (mIsIPv6 ? IPV6_TCLASS : IP_TOS))
+                              && (cMsg->cmsg_len));
+        if (isTOSHeader) {
+            uint8_t receivedTOS;
+            receivedTOS = *((uint8_t *) CMSG_DATA(cMsg));
+            // checking CE bit is set
+            bool isCEBitMarked = ((receivedTOS & INET_ECN_MASK) == INET_ECN_CE);
+
+            ALOGV("receivedTos(value -> %d)", receivedTOS);
+
+            if (isCEBitMarked) {
+                ALOGD("receivedTos(value -> %d), is ECN CE marked = %d",
+                    receivedTOS, isCEBitMarked);
+                notifyCongestionToUpperLayerIfNeeded(s);
+            }
+            break;
+        }
+    }
+}
+
+/* this function will be use to notify congestion in video call to upper layer */
+void ARTPConnection::notifyCongestionToUpperLayerIfNeeded(StreamInfo *s) {
+    int64_t nowUs = ALooper::GetNowUs();
+
+    if (mLastCongestionNotifyTimeUs <= 0) {
+        mLastCongestionNotifyTimeUs = nowUs;
+    }
+
+    bool isNeedToUpdate = (mLastCongestionNotifyTimeUs + kMinOneSecondNotifyDelayUs <= nowUs);
+    ALOGD("ECN info set by upper layer=%d, isNeedToUpdate=%d", mRtpSockOptEcn, isNeedToUpdate);
+
+    if ((mRtpSockOptEcn != 0) && (isNeedToUpdate)) {
+        sp<AMessage> notify = s->mNotifyMsg->dup();
+        notify->setInt32("rtcp-event", 1);
+        notify->setInt32("payload-type", ARTPSource::RTP_QUALITY_CD);
+        notify->post();
+        mLastCongestionNotifyTimeUs = nowUs;
+        ALOGD("Congestion detected in n/w, Notify upper layer");
+    }
+}
+
 ssize_t ARTPConnection::send(const StreamInfo *info, const sp<ABuffer> buffer) {
         struct sockaddr* pRemoteRTCPAddr;
         int sizeSockSt;
 
         /* It seems this isIPv6 variable is useless.
          * We should remove it to prevent confusion */
-        if (info->isIPv6) {
+        if (mIsIPv6) {
             pRemoteRTCPAddr = (struct sockaddr *)&info->mRemoteRTCPAddr6;
             sizeSockSt = sizeof(struct sockaddr_in6);
         } else {
@@ -1215,12 +1295,20 @@
     mTargetBitrate = targetBitrate;
 }
 
+void ARTPConnection::setRtpSockOptEcn(int32_t sockOptEcn) {
+    mRtpSockOptEcn = sockOptEcn;
+}
+
+void ARTPConnection::setIsIPv6(const char *localIp) {
+    mIsIPv6 = (strchr(localIp, ':') != nullptr);
+}
+
 void ARTPConnection::checkRxBitrate(int64_t nowUs) {
     if (mLastBitrateReportTimeUs <= 0) {
         mCumulativeBytes = 0;
         mLastBitrateReportTimeUs = nowUs;
     }
-    else if (mLastEarlyNotifyTimeUs + 100000ll <= nowUs) {
+    else if (mLastEarlyNotifyTimeUs + kMinOneSecondNotifyDelayUs <= nowUs) {
         int32_t timeDiff = (nowUs - mLastBitrateReportTimeUs) / 1000000ll;
         int32_t bitrate = mCumulativeBytes * 8 / timeDiff;
         mLastEarlyNotifyTimeUs = nowUs;
diff --git a/media/libstagefright/rtsp/ARTPWriter.cpp b/media/libstagefright/rtsp/ARTPWriter.cpp
index 8990f0c..41f2d67 100644
--- a/media/libstagefright/rtsp/ARTPWriter.cpp
+++ b/media/libstagefright/rtsp/ARTPWriter.cpp
@@ -255,9 +255,34 @@
     if (params->findInt32(kKeyRtpCvoDegrees, &rtpCVODegrees))
         mRTPCVODegrees = rtpCVODegrees;
 
+    bool needToSetSockOpt = false;
     int32_t dscp = 0;
-    if (params->findInt32(kKeyRtpDscp, &dscp))
-        updateSocketDscp(dscp);
+    if (params->findInt32(kKeyRtpDscp, &dscp)) {
+        mRtpLayer3Dscp = dscp << 2;
+        needToSetSockOpt = true;
+    }
+
+    int32_t ecn = 0;
+    if (params->findInt32(kKeyRtpEcn, &ecn)) {
+        /*
+         * @ecn, possible value for ECN.
+         *  +-----+-----+
+         *  | ECN FIELD |
+         *  +-----+-----+
+         *    ECT   CE         [Obsolete] RFC 2481 names for the ECN bits.
+         *     0     0         Not-ECT
+         *     0     1         ECT (ECN-Capable Transport) (1)
+         *     1     0         ECT (ECN-Capable Transport) (0)
+         *     1     1         CE (Congestion Experienced)
+         *
+         */
+        mRtpSockOptEcn = ecn;
+        needToSetSockOpt = true;
+    }
+
+    if (needToSetSockOpt) {
+        updateSocketOpt();
+    }
 
     int64_t sockNetwork = 0;
     if (params->findInt64(kKeySocketNetwork, &sockNetwork))
@@ -1438,18 +1463,29 @@
     mPayloadType = payloadType;
 }
 
-void ARTPWriter::updateSocketDscp(int32_t dscp) {
-    mRtpLayer3Dscp = dscp << 2;
+/*
+ * This function will set socket option in IP header
+ */
+void ARTPWriter::updateSocketOpt() {
+    /*
+     * 0     1     2     3     4     5     6     7
+     * +-----+-----+-----+-----+-----+-----+-----+-----+
+     * |          DS FIELD, DSCP           | ECN FIELD |
+     * +-----+-----+-----+-----+-----+-----+-----+-----+
+     */
+    int sockOpt = mRtpLayer3Dscp ^ mRtpSockOptEcn;
+    ALOGD("Update socket opt with sockopt=%d, mRtpLayer3Dscp=%d, mRtpSockOptEcn=%d",
+                sockOpt, mRtpLayer3Dscp, mRtpSockOptEcn);
 
-    /* mRtpLayer3Dscp will be mapped to WMM(Wifi) as per operator's requirement */
-    if (setsockopt(mRTPSocket, IPPROTO_IP, IP_TOS,
-                (int *)&mRtpLayer3Dscp, sizeof(mRtpLayer3Dscp)) < 0) {
-        ALOGE("failed to set dscp on rtpsock. err=%s", strerror(errno));
+    /* sockOpt will be used to set socket option in IP header */
+    if (setsockopt(mRTPSocket, mIsIPv6 ? IPPROTO_IPV6 : IPPROTO_IP, mIsIPv6 ? IPV6_TCLASS : IP_TOS,
+                (int *)&sockOpt, sizeof(sockOpt)) < 0) {
+        ALOGE("failed to set sockopt on rtpsock. err=%s", strerror(errno));
     } else {
-        ALOGD("successfully set dscp on rtpsock. opt=%d", mRtpLayer3Dscp);
-        setsockopt(mRTCPSocket, IPPROTO_IP, IP_TOS,
-                (int *)&mRtpLayer3Dscp, sizeof(mRtpLayer3Dscp));
-        ALOGD("successfully set dscp on rtcpsock. opt=%d", mRtpLayer3Dscp);
+        ALOGD("successfully set sockopt. opt=%d", sockOpt);
+        setsockopt(mRTCPSocket, mIsIPv6 ? IPPROTO_IPV6 : IPPROTO_IP, mIsIPv6 ? IPV6_TCLASS : IP_TOS,
+                (int *)&sockOpt, sizeof(sockOpt));
+        ALOGD("successfully set sockopt rtcpsock. opt=%d", sockOpt);
     }
 }
 
diff --git a/media/libstagefright/rtsp/include/media/stagefright/rtsp/ARTPConnection.h b/media/libstagefright/rtsp/include/media/stagefright/rtsp/ARTPConnection.h
index 73d2866..250de71 100644
--- a/media/libstagefright/rtsp/include/media/stagefright/rtsp/ARTPConnection.h
+++ b/media/libstagefright/rtsp/include/media/stagefright/rtsp/ARTPConnection.h
@@ -20,6 +20,7 @@
 
 #include <media/stagefright/foundation/AHandler.h>
 #include <utils/List.h>
+#include <sys/socket.h>
 
 namespace android {
 
@@ -48,6 +49,8 @@
     void setSelfID(const uint32_t selfID);
     void setStaticJitterTimeMs(const uint32_t jbTimeMs);
     void setTargetBitrate(int32_t targetBitrate);
+    void setRtpSockOptEcn(int32_t sockOptEcn);
+    void setIsIPv6(const char *localIp);
 
     // Creates a pair of UDP datagram sockets bound to adjacent ports
     // (the rtpSocket is bound to an even port, the rtcpSocket to the
@@ -60,7 +63,8 @@
     static void MakeRTPSocketPair(
             int *rtpSocket, int *rtcpSocket,
             const char *localIp, const char *remoteIp,
-            unsigned localPort, unsigned remotePort, int64_t socketNetwork = 0);
+            unsigned localPort, unsigned remotePort, int64_t socketNetwork = 0,
+            int32_t sockOptEcn = 0);
 
 protected:
     virtual ~ARTPConnection();
@@ -77,6 +81,7 @@
     };
 
     static const int64_t kSelectTimeoutUs;
+    static const int64_t kMinOneSecondNotifyDelayUs;
 
     uint32_t mFlags;
 
@@ -87,9 +92,12 @@
     int64_t mLastReceiverReportTimeUs;
     int64_t mLastBitrateReportTimeUs;
     int64_t mLastEarlyNotifyTimeUs;
+    int64_t mLastCongestionNotifyTimeUs;
 
     int32_t mSelfID;
     int32_t mTargetBitrate;
+    int32_t mRtpSockOptEcn;
+    bool mIsIPv6;
 
     uint32_t mStaticJitterTimeMs;
 
@@ -103,6 +111,8 @@
     void onInjectPacket(const sp<AMessage> &msg);
     void onSendReceiverReports();
     void checkRxBitrate(int64_t nowUs);
+    void notifyCongestionToUpperLayerIfNeeded(StreamInfo *s);
+    void handleIpHeadersIfReceived(StreamInfo *s, struct msghdr sMsg);
 
     status_t receive(StreamInfo *info, bool receiveRTP);
     ssize_t send(const StreamInfo *info, const sp<ABuffer> buffer);
diff --git a/media/libstagefright/rtsp/include/media/stagefright/rtsp/ARTPSource.h b/media/libstagefright/rtsp/include/media/stagefright/rtsp/ARTPSource.h
index e9b4942..3fa5713 100644
--- a/media/libstagefright/rtsp/include/media/stagefright/rtsp/ARTPSource.h
+++ b/media/libstagefright/rtsp/include/media/stagefright/rtsp/ARTPSource.h
@@ -50,6 +50,7 @@
         RTCP_FIRST_PACKET = 101,
         RTP_QUALITY = 102,
         RTP_QUALITY_EMC = 103,
+        RTP_QUALITY_CD = 104,
         RTCP_SR = 200,
         RTCP_RR = 201,
         RTCP_TSFB = 205,
diff --git a/media/libstagefright/rtsp/include/media/stagefright/rtsp/ARTPWriter.h b/media/libstagefright/rtsp/include/media/stagefright/rtsp/ARTPWriter.h
index 2982cf6..ecd29d0 100644
--- a/media/libstagefright/rtsp/include/media/stagefright/rtsp/ARTPWriter.h
+++ b/media/libstagefright/rtsp/include/media/stagefright/rtsp/ARTPWriter.h
@@ -50,7 +50,7 @@
     virtual status_t pause();
     void updateCVODegrees(int32_t cvoDegrees);
     void updatePayloadType(int32_t payloadType);
-    void updateSocketDscp(int32_t dscp);
+    void updateSocketOpt();
     void updateSocketNetwork(int64_t socketNetwork);
     uint32_t getSequenceNum();
     virtual uint64_t getAccumulativeBytes() override;
@@ -98,6 +98,7 @@
     struct sockaddr_in6 mRTPAddr6;
     struct sockaddr_in6 mRTCPAddr6;
     int32_t mRtpLayer3Dscp;
+    int32_t mRtpSockOptEcn;
     net_handle_t mRTPSockNetwork;
 
     AString mProfileLevel;
diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index 4653f96..f94106f 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -283,7 +283,6 @@
                 return opPackageLegacy == package; }) == packages.end()) {
             ALOGW("The package name(%s) provided does not correspond to the uid %d",
                     attributionSource.packageName.value_or("").c_str(), attributionSource.uid);
-            checkedAttributionSource.packageName = std::optional<std::string>();
         }
     }
     return checkedAttributionSource;
@@ -582,6 +581,33 @@
     audio_io_handle_t io = AUDIO_IO_HANDLE_NONE;
     audio_port_handle_t portId = AUDIO_PORT_HANDLE_NONE;
     audio_attributes_t localAttr = *attr;
+
+    // TODO b/182392553: refactor or make clearer
+    pid_t clientPid =
+        VALUE_OR_RETURN_STATUS(aidl2legacy_int32_t_pid_t(client.attributionSource.pid));
+    bool updatePid = (clientPid == (pid_t)-1);
+    const uid_t callingUid = IPCThreadState::self()->getCallingUid();
+
+    AttributionSourceState adjAttributionSource = client.attributionSource;
+    if (!isAudioServerOrMediaServerOrSystemServerOrRootUid(callingUid)) {
+        uid_t clientUid =
+            VALUE_OR_RETURN_STATUS(aidl2legacy_int32_t_uid_t(client.attributionSource.uid));
+        ALOGW_IF(clientUid != callingUid,
+                "%s uid %d tried to pass itself off as %d",
+                __FUNCTION__, callingUid, clientUid);
+        adjAttributionSource.uid = VALUE_OR_RETURN_STATUS(legacy2aidl_uid_t_int32_t(callingUid));
+        updatePid = true;
+    }
+    if (updatePid) {
+        const pid_t callingPid = IPCThreadState::self()->getCallingPid();
+        ALOGW_IF(clientPid != (pid_t)-1 && clientPid != callingPid,
+                 "%s uid %d pid %d tried to pass itself off as pid %d",
+                 __func__, callingUid, callingPid, clientPid);
+        adjAttributionSource.pid = VALUE_OR_RETURN_STATUS(legacy2aidl_pid_t_int32_t(callingPid));
+    }
+    adjAttributionSource = AudioFlinger::checkAttributionSourcePackage(
+            adjAttributionSource);
+
     if (direction == MmapStreamInterface::DIRECTION_OUTPUT) {
         audio_config_t fullConfig = AUDIO_CONFIG_INITIALIZER;
         fullConfig.sample_rate = config->sample_rate;
@@ -591,7 +617,7 @@
         bool isSpatialized;
         ret = AudioSystem::getOutputForAttr(&localAttr, &io,
                                             actualSessionId,
-                                            &streamType, client.attributionSource,
+                                            &streamType, adjAttributionSource,
                                             &fullConfig,
                                             (audio_output_flags_t)(AUDIO_OUTPUT_FLAG_MMAP_NOIRQ |
                                                     AUDIO_OUTPUT_FLAG_DIRECT),
@@ -602,7 +628,7 @@
         ret = AudioSystem::getInputForAttr(&localAttr, &io,
                                               RECORD_RIID_INVALID,
                                               actualSessionId,
-                                              client.attributionSource,
+                                              adjAttributionSource,
                                               config,
                                               AUDIO_INPUT_FLAG_MMAP_NOIRQ, deviceId, &portId);
     }
@@ -1051,7 +1077,7 @@
     audio_attributes_t localAttr = input.attr;
 
     AttributionSourceState adjAttributionSource = input.clientInfo.attributionSource;
-    if (!isAudioServerOrMediaServerUid(callingUid)) {
+    if (!isAudioServerOrMediaServerOrSystemServerOrRootUid(callingUid)) {
         ALOGW_IF(clientUid != callingUid,
                 "%s uid %d tried to pass itself off as %d",
                 __FUNCTION__, callingUid, clientUid);
@@ -1067,6 +1093,8 @@
         clientPid = callingPid;
         adjAttributionSource.pid = VALUE_OR_RETURN_STATUS(legacy2aidl_pid_t_int32_t(callingPid));
     }
+    adjAttributionSource = AudioFlinger::checkAttributionSourcePackage(
+            adjAttributionSource);
 
     audio_session_t sessionId = input.sessionId;
     if (sessionId == AUDIO_SESSION_ALLOCATE) {
@@ -2273,7 +2301,7 @@
     const uid_t callingUid = IPCThreadState::self()->getCallingUid();
     const uid_t currentUid = VALUE_OR_RETURN_STATUS(legacy2aidl_uid_t_int32_t(
            adjAttributionSource.uid));
-    if (!isAudioServerOrMediaServerUid(callingUid)) {
+    if (!isAudioServerOrMediaServerOrSystemServerOrRootUid(callingUid)) {
         ALOGW_IF(currentUid != callingUid,
                 "%s uid %d tried to pass itself off as %d",
                 __FUNCTION__, callingUid, currentUid);
@@ -2289,7 +2317,8 @@
                  __func__, callingUid, callingPid, currentPid);
         adjAttributionSource.pid = VALUE_OR_RETURN_STATUS(legacy2aidl_pid_t_int32_t(callingPid));
     }
-
+    adjAttributionSource = AudioFlinger::checkAttributionSourcePackage(
+            adjAttributionSource);
     // we don't yet support anything other than linear PCM
     if (!audio_is_valid_format(input.config.format) || !audio_is_linear_pcm(input.config.format)) {
         ALOGE("createRecord() invalid format %#x", input.config.format);
@@ -3906,7 +3935,7 @@
     const uid_t callingUid = IPCThreadState::self()->getCallingUid();
     adjAttributionSource.uid = VALUE_OR_RETURN_STATUS(legacy2aidl_uid_t_int32_t(callingUid));
     pid_t currentPid = VALUE_OR_RETURN_STATUS(aidl2legacy_int32_t_pid_t(adjAttributionSource.pid));
-    if (currentPid == -1 || !isAudioServerOrMediaServerUid(callingUid)) {
+    if (currentPid == -1 || !isAudioServerOrMediaServerOrSystemServerOrRootUid(callingUid)) {
         const pid_t callingPid = IPCThreadState::self()->getCallingPid();
         ALOGW_IF(currentPid != -1 && currentPid != callingPid,
                  "%s uid %d pid %d tried to pass itself off as pid %d",
@@ -3914,6 +3943,7 @@
         adjAttributionSource.pid = VALUE_OR_RETURN_STATUS(legacy2aidl_pid_t_int32_t(callingPid));
         currentPid = callingPid;
     }
+    adjAttributionSource = AudioFlinger::checkAttributionSourcePackage(adjAttributionSource);
 
     ALOGV("createEffect pid %d, effectClient %p, priority %d, sessionId %d, io %d, factory %p",
           adjAttributionSource.pid, effectClient.get(), priority, sessionId, io,
diff --git a/services/audioflinger/Threads.cpp b/services/audioflinger/Threads.cpp
index 4ac24a9..211bf71 100644
--- a/services/audioflinger/Threads.cpp
+++ b/services/audioflinger/Threads.cpp
@@ -8329,8 +8329,6 @@
     audio_input_flags_t inputFlags = mInput->flags;
     audio_input_flags_t requestedFlags = *flags;
     uint32_t sampleRate;
-    AttributionSourceState checkedAttributionSource = AudioFlinger::checkAttributionSourcePackage(
-            attributionSource);
 
     lStatus = initCheck();
     if (lStatus != NO_ERROR) {
@@ -8345,7 +8343,7 @@
     }
 
     if (maxSharedAudioHistoryMs != 0) {
-        if (!captureHotwordAllowed(checkedAttributionSource)) {
+        if (!captureHotwordAllowed(attributionSource)) {
             lStatus = PERMISSION_DENIED;
             goto Exit;
         }
@@ -8466,16 +8464,16 @@
         Mutex::Autolock _l(mLock);
         int32_t startFrames = -1;
         if (!mSharedAudioPackageName.empty()
-                && mSharedAudioPackageName == checkedAttributionSource.packageName
+                && mSharedAudioPackageName == attributionSource.packageName
                 && mSharedAudioSessionId == sessionId
-                && captureHotwordAllowed(checkedAttributionSource)) {
+                && captureHotwordAllowed(attributionSource)) {
             startFrames = mSharedAudioStartFrames;
         }
 
         track = new RecordTrack(this, client, attr, sampleRate,
                       format, channelMask, frameCount,
                       nullptr /* buffer */, (size_t)0 /* bufferSize */, sessionId, creatorPid,
-                      checkedAttributionSource, *flags, TrackBase::TYPE_DEFAULT, portId,
+                      attributionSource, *flags, TrackBase::TYPE_DEFAULT, portId,
                       startFrames);
 
         lStatus = track->initCheck();
@@ -10233,19 +10231,22 @@
 
 void AudioFlinger::MmapThread::checkInvalidTracks_l()
 {
+    sp<MmapStreamCallback> callback;
     for (const sp<MmapTrack> &track : mActiveTracks) {
         if (track->isInvalid()) {
-            sp<MmapStreamCallback> callback = mCallback.promote();
-            if (callback != 0) {
-                mLock.unlock();
-                callback->onTearDown(track->portId());
-                mLock.lock();
-            } else if (mNoCallbackWarningCount < kMaxNoCallbackWarnings) {
-                ALOGW("Could not notify MMAP stream tear down: no onTearDown callback!");
+            callback = mCallback.promote();
+            if (callback == nullptr &&  mNoCallbackWarningCount < kMaxNoCallbackWarnings) {
+                ALOGW("Could not notify MMAP stream tear down: no onRoutingChanged callback!");
                 mNoCallbackWarningCount++;
             }
+            break;
         }
     }
+    if (callback != 0) {
+        mLock.unlock();
+        callback->onRoutingChanged(AUDIO_PORT_HANDLE_NONE);
+        mLock.lock();
+    }
 }
 
 void AudioFlinger::MmapThread::dumpInternals_l(int fd, const Vector<String16>& args __unused)
diff --git a/services/audioflinger/Tracks.cpp b/services/audioflinger/Tracks.cpp
index 0a1bc81..2a77d22 100644
--- a/services/audioflinger/Tracks.cpp
+++ b/services/audioflinger/Tracks.cpp
@@ -529,10 +529,7 @@
             id, attr.flags);
         return nullptr;
     }
-
-    AttributionSourceState checkedAttributionSource = AudioFlinger::checkAttributionSourcePackage(
-            attributionSource);
-    return new OpPlayAudioMonitor(checkedAttributionSource, attr.usage, id);
+    return new OpPlayAudioMonitor(attributionSource, attr.usage, id);
 }
 
 AudioFlinger::PlaybackThread::OpPlayAudioMonitor::OpPlayAudioMonitor(
diff --git a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
index df49bba..49224c5 100644
--- a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
+++ b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
@@ -352,31 +352,20 @@
     ALOGV("%s()", __func__);
     Mutex::Autolock _l(mLock);
 
-    // TODO b/182392553: refactor or remove
-    AttributionSourceState adjAttributionSource = attributionSource;
-    const uid_t callingUid = IPCThreadState::self()->getCallingUid();
-    if (!isAudioServerOrMediaServerUid(callingUid) || attributionSource.uid == -1) {
-        int32_t callingUidAidl = VALUE_OR_RETURN_BINDER_STATUS(
-            legacy2aidl_uid_t_int32_t(callingUid));
-        ALOGW_IF(attributionSource.uid != -1 && attributionSource.uid != callingUidAidl,
-                "%s uid %d tried to pass itself off as %d", __func__,
-                callingUidAidl, attributionSource.uid);
-        adjAttributionSource.uid = callingUidAidl;
-    }
     if (!mPackageManager.allowPlaybackCapture(VALUE_OR_RETURN_BINDER_STATUS(
-        aidl2legacy_int32_t_uid_t(adjAttributionSource.uid)))) {
+        aidl2legacy_int32_t_uid_t(attributionSource.uid)))) {
         attr.flags = static_cast<audio_flags_mask_t>(attr.flags | AUDIO_FLAG_NO_MEDIA_PROJECTION);
     }
     if (((attr.flags & (AUDIO_FLAG_BYPASS_INTERRUPTION_POLICY|AUDIO_FLAG_BYPASS_MUTE)) != 0)
-            && !bypassInterruptionPolicyAllowed(adjAttributionSource)) {
+            && !bypassInterruptionPolicyAllowed(attributionSource)) {
         attr.flags = static_cast<audio_flags_mask_t>(
                 attr.flags & ~(AUDIO_FLAG_BYPASS_INTERRUPTION_POLICY|AUDIO_FLAG_BYPASS_MUTE));
     }
 
     if (attr.content_type == AUDIO_CONTENT_TYPE_ULTRASOUND) {
-        if (!accessUltrasoundAllowed(adjAttributionSource)) {
+        if (!accessUltrasoundAllowed(attributionSource)) {
             ALOGE("%s: permission denied: ultrasound not allowed for uid %d pid %d",
-                    __func__, adjAttributionSource.uid, adjAttributionSource.pid);
+                    __func__, attributionSource.uid, attributionSource.pid);
             return binderStatusFromStatusT(PERMISSION_DENIED);
         }
     }
@@ -386,7 +375,7 @@
     bool isSpatialized = false;
     status_t result = mAudioPolicyManager->getOutputForAttr(&attr, &output, session,
                                                             &stream,
-                                                            adjAttributionSource,
+                                                            attributionSource,
                                                             &config,
                                                             &flags, &selectedDeviceId, &portId,
                                                             &secondaryOutputs,
@@ -401,20 +390,20 @@
             break;
         case AudioPolicyInterface::API_OUTPUT_TELEPHONY_TX:
             if (((attr.flags & AUDIO_FLAG_CALL_REDIRECTION) != 0)
-                && !callAudioInterceptionAllowed(adjAttributionSource)) {
+                && !callAudioInterceptionAllowed(attributionSource)) {
                 ALOGE("%s() permission denied: call redirection not allowed for uid %d",
-                    __func__, adjAttributionSource.uid);
+                    __func__, attributionSource.uid);
                 result = PERMISSION_DENIED;
-            } else if (!modifyPhoneStateAllowed(adjAttributionSource)) {
+            } else if (!modifyPhoneStateAllowed(attributionSource)) {
                 ALOGE("%s() permission denied: modify phone state not allowed for uid %d",
-                    __func__, adjAttributionSource.uid);
+                    __func__, attributionSource.uid);
                 result = PERMISSION_DENIED;
             }
             break;
         case AudioPolicyInterface::API_OUT_MIX_PLAYBACK:
-            if (!modifyAudioRoutingAllowed(adjAttributionSource)) {
+            if (!modifyAudioRoutingAllowed(attributionSource)) {
                 ALOGE("%s() permission denied: modify audio routing not allowed for uid %d",
-                    __func__, adjAttributionSource.uid);
+                    __func__, attributionSource.uid);
                 result = PERMISSION_DENIED;
             }
             break;
@@ -427,7 +416,7 @@
 
     if (result == NO_ERROR) {
         sp<AudioPlaybackClient> client =
-                new AudioPlaybackClient(attr, output, adjAttributionSource, session,
+                new AudioPlaybackClient(attr, output, attributionSource, session,
                     portId, selectedDeviceId, stream, isSpatialized);
         mAudioPlaybackClients.add(portId, client);
 
@@ -613,33 +602,8 @@
         return binderStatusFromStatusT(BAD_VALUE);
     }
 
-    // Make sure attribution source represents the current caller
-    AttributionSourceState adjAttributionSource = attributionSource;
-    // TODO b/182392553: refactor or remove
-    bool updatePid = (attributionSource.pid == -1);
-    const uid_t callingUid =IPCThreadState::self()->getCallingUid();
-    const uid_t currentUid = VALUE_OR_RETURN_BINDER_STATUS(aidl2legacy_int32_t_uid_t(
-            attributionSource.uid));
-    if (!isAudioServerOrMediaServerUid(callingUid)) {
-        ALOGW_IF(currentUid != (uid_t)-1 && currentUid != callingUid,
-                "%s uid %d tried to pass itself off as %d", __FUNCTION__, callingUid,
-                currentUid);
-        adjAttributionSource.uid = VALUE_OR_RETURN_BINDER_STATUS(legacy2aidl_uid_t_int32_t(
-                callingUid));
-        updatePid = true;
-    }
-
-    if (updatePid) {
-        const int32_t callingPid = VALUE_OR_RETURN_BINDER_STATUS(legacy2aidl_pid_t_int32_t(
-            IPCThreadState::self()->getCallingPid()));
-        ALOGW_IF(attributionSource.pid != -1 && attributionSource.pid != callingPid,
-                 "%s uid %d pid %d tried to pass itself off as pid %d",
-                 __func__, adjAttributionSource.uid, callingPid, attributionSource.pid);
-        adjAttributionSource.pid = callingPid;
-    }
-
     RETURN_IF_BINDER_ERROR(binderStatusFromStatusT(validateUsage(attr,
-            adjAttributionSource)));
+            attributionSource)));
 
     // check calling permissions.
     // Capturing from the following sources does not require permission RECORD_AUDIO
@@ -650,17 +614,17 @@
     // type is API_INPUT_MIX_EXT_POLICY_REROUTE and by AudioService if a media projection
     // is used and input type is API_INPUT_MIX_PUBLIC_CAPTURE_PLAYBACK
     // - ECHO_REFERENCE source is controlled by captureAudioOutputAllowed()
-    if (!(recordingAllowed(adjAttributionSource, inputSource)
+    if (!(recordingAllowed(attributionSource, inputSource)
             || inputSource == AUDIO_SOURCE_FM_TUNER
             || inputSource == AUDIO_SOURCE_REMOTE_SUBMIX
             || inputSource == AUDIO_SOURCE_ECHO_REFERENCE)) {
         ALOGE("%s permission denied: recording not allowed for %s",
-                __func__, adjAttributionSource.toString().c_str());
+                __func__, attributionSource.toString().c_str());
         return binderStatusFromStatusT(PERMISSION_DENIED);
     }
 
-    bool canCaptureOutput = captureAudioOutputAllowed(adjAttributionSource);
-    bool canInterceptCallAudio = callAudioInterceptionAllowed(adjAttributionSource);
+    bool canCaptureOutput = captureAudioOutputAllowed(attributionSource);
+    bool canInterceptCallAudio = callAudioInterceptionAllowed(attributionSource);
     bool isCallAudioSource = inputSource == AUDIO_SOURCE_VOICE_UPLINK
              || inputSource == AUDIO_SOURCE_VOICE_DOWNLINK
              || inputSource == AUDIO_SOURCE_VOICE_CALL;
@@ -674,11 +638,11 @@
     }
     if (inputSource == AUDIO_SOURCE_FM_TUNER
         && !canCaptureOutput
-        && !captureTunerAudioInputAllowed(adjAttributionSource)) {
+        && !captureTunerAudioInputAllowed(attributionSource)) {
         return binderStatusFromStatusT(PERMISSION_DENIED);
     }
 
-    bool canCaptureHotword = captureHotwordAllowed(adjAttributionSource);
+    bool canCaptureHotword = captureHotwordAllowed(attributionSource);
     if ((inputSource == AUDIO_SOURCE_HOTWORD) && !canCaptureHotword) {
         return binderStatusFromStatusT(PERMISSION_DENIED);
     }
@@ -686,14 +650,14 @@
     if (((flags & AUDIO_INPUT_FLAG_HW_HOTWORD) != 0)
             && !canCaptureHotword) {
         ALOGE("%s: permission denied: hotword mode not allowed"
-              " for uid %d pid %d", __func__, adjAttributionSource.uid, adjAttributionSource.pid);
+              " for uid %d pid %d", __func__, attributionSource.uid, attributionSource.pid);
         return binderStatusFromStatusT(PERMISSION_DENIED);
     }
 
     if (attr.source == AUDIO_SOURCE_ULTRASOUND) {
-        if (!accessUltrasoundAllowed(adjAttributionSource)) {
+        if (!accessUltrasoundAllowed(attributionSource)) {
             ALOGE("%s: permission denied: ultrasound not allowed for uid %d pid %d",
-                    __func__, adjAttributionSource.uid, adjAttributionSource.pid);
+                    __func__, attributionSource.uid, attributionSource.pid);
             return binderStatusFromStatusT(PERMISSION_DENIED);
         }
     }
@@ -708,7 +672,7 @@
             AutoCallerClear acc;
             // the audio_in_acoustics_t parameter is ignored by get_input()
             status = mAudioPolicyManager->getInputForAttr(&attr, &input, riid, session,
-                                                          adjAttributionSource, &config,
+                                                          attributionSource, &config,
                                                           flags, &selectedDeviceId,
                                                           &inputType, &portId);
 
@@ -737,7 +701,7 @@
                 }
                 break;
             case AudioPolicyInterface::API_INPUT_MIX_EXT_POLICY_REROUTE:
-                if (!(modifyAudioRoutingAllowed(adjAttributionSource)
+                if (!(modifyAudioRoutingAllowed(attributionSource)
                         || ((attr.flags & AUDIO_FLAG_CALL_REDIRECTION) != 0
                             && canInterceptCallAudio))) {
                     ALOGE("%s permission denied for remote submix capture", __func__);
@@ -760,7 +724,7 @@
         }
 
         sp<AudioRecordClient> client = new AudioRecordClient(attr, input, session, portId,
-                                                             selectedDeviceId, adjAttributionSource,
+                                                             selectedDeviceId, attributionSource,
                                                              canCaptureOutput, canCaptureHotword,
                                                              mOutputCommandThread);
         mAudioRecordClients.add(portId, client);
diff --git a/services/camera/libcameraservice/CameraService.cpp b/services/camera/libcameraservice/CameraService.cpp
index a78112d..1115920 100644
--- a/services/camera/libcameraservice/CameraService.cpp
+++ b/services/camera/libcameraservice/CameraService.cpp
@@ -203,6 +203,7 @@
     status_t res;
 
     std::vector<std::string> deviceIds;
+    std::unordered_map<std::string, std::set<std::string>> unavailPhysicalIds;
     {
         Mutex::Autolock l(mServiceLock);
 
@@ -233,7 +234,7 @@
             ALOGE("Failed to enumerate flash units: %s (%d)", strerror(-res), res);
         }
 
-        deviceIds = mCameraProviderManager->getCameraDeviceIds();
+        deviceIds = mCameraProviderManager->getCameraDeviceIds(&unavailPhysicalIds);
     }
 
 
@@ -242,6 +243,12 @@
         if (getCameraState(id8) == nullptr) {
             onDeviceStatusChanged(id8, CameraDeviceStatus::PRESENT);
         }
+        if (unavailPhysicalIds.count(cameraId) > 0) {
+            for (const auto& physicalId : unavailPhysicalIds[cameraId]) {
+                String8 physicalId8 = String8(physicalId.c_str());
+                onDeviceStatusChanged(id8, physicalId8, CameraDeviceStatus::NOT_PRESENT);
+            }
+        }
     }
 
     // Derive primary rear/front cameras, and filter their charactierstics.
@@ -495,7 +502,7 @@
 
     if (state == nullptr) {
         ALOGE("%s: Physical camera id %s status change on a non-present ID %s",
-                __FUNCTION__, id.string(), physicalId.string());
+                __FUNCTION__, physicalId.string(), id.string());
         return;
     }
 
diff --git a/services/camera/libcameraservice/common/CameraProviderManager.cpp b/services/camera/libcameraservice/common/CameraProviderManager.cpp
index 6ef16b3..0f2100b 100644
--- a/services/camera/libcameraservice/common/CameraProviderManager.cpp
+++ b/services/camera/libcameraservice/common/CameraProviderManager.cpp
@@ -197,12 +197,17 @@
     return std::make_pair(systemCameraCount, publicCameraCount);
 }
 
-std::vector<std::string> CameraProviderManager::getCameraDeviceIds() const {
+std::vector<std::string> CameraProviderManager::getCameraDeviceIds(std::unordered_map<
+            std::string, std::set<std::string>>* unavailablePhysicalIds) const {
     std::lock_guard<std::mutex> lock(mInterfaceMutex);
     std::vector<std::string> deviceIds;
     for (auto& provider : mProviders) {
         for (auto& id : provider->mUniqueCameraIds) {
             deviceIds.push_back(id);
+            if (unavailablePhysicalIds != nullptr &&
+                    provider->mUnavailablePhysicalCameras.count(id) > 0) {
+                (*unavailablePhysicalIds)[id] = provider->mUnavailablePhysicalCameras.at(id);
+            }
         }
     }
     return deviceIds;
@@ -839,9 +844,6 @@
 
 void CameraProviderManager::ProviderInfo::initializeProviderInfoCommon(
         const std::vector<std::string> &devices) {
-
-    sp<StatusListener> listener = mManager->getStatusListener();
-
     for (auto& device : devices) {
         std::string id;
         status_t res = addDevice(device, CameraDeviceStatus::PRESENT, &id);
@@ -856,38 +858,22 @@
             mProviderName.c_str(), mDevices.size());
 
     // Process cached status callbacks
-    std::unique_ptr<std::vector<CameraStatusInfoT>> cachedStatus =
-            std::make_unique<std::vector<CameraStatusInfoT>>();
     {
         std::lock_guard<std::mutex> lock(mInitLock);
 
         for (auto& statusInfo : mCachedStatus) {
             std::string id, physicalId;
-            status_t res = OK;
             if (statusInfo.isPhysicalCameraStatus) {
-                res = physicalCameraDeviceStatusChangeLocked(&id, &physicalId,
+                physicalCameraDeviceStatusChangeLocked(&id, &physicalId,
                     statusInfo.cameraId, statusInfo.physicalCameraId, statusInfo.status);
             } else {
-                res = cameraDeviceStatusChangeLocked(&id, statusInfo.cameraId, statusInfo.status);
-            }
-            if (res == OK) {
-                cachedStatus->emplace_back(statusInfo.isPhysicalCameraStatus,
-                        id.c_str(), physicalId.c_str(), statusInfo.status);
+                cameraDeviceStatusChangeLocked(&id, statusInfo.cameraId, statusInfo.status);
             }
         }
         mCachedStatus.clear();
 
         mInitialized = true;
     }
-
-    // The cached status change callbacks cannot be fired directly from this
-    // function, due to same-thread deadlock trying to acquire mInterfaceMutex
-    // twice.
-    if (listener != nullptr) {
-        mInitialStatusCallbackFuture = std::async(std::launch::async,
-                &CameraProviderManager::ProviderInfo::notifyInitialStatusChange, this,
-                listener, std::move(cachedStatus));
-    }
 }
 
 CameraProviderManager::ProviderInfo::DeviceInfo* CameraProviderManager::findDeviceInfoLocked(
@@ -1957,6 +1943,7 @@
     for (auto it = mDevices.begin(); it != mDevices.end(); it++) {
         if ((*it)->mId == id) {
             mUniqueCameraIds.erase(id);
+            mUnavailablePhysicalCameras.erase(id);
             if ((*it)->isAPI1Compatible()) {
                 mUniqueAPI1CompatibleCameraIds.erase(std::remove(
                     mUniqueAPI1CompatibleCameraIds.begin(),
@@ -2224,6 +2211,15 @@
         return BAD_VALUE;
     }
 
+    if (mUnavailablePhysicalCameras.count(cameraId) == 0) {
+        mUnavailablePhysicalCameras.emplace(cameraId, std::set<std::string>{});
+    }
+    if (newStatus != CameraDeviceStatus::PRESENT) {
+        mUnavailablePhysicalCameras[cameraId].insert(physicalCameraDeviceName);
+    } else {
+        mUnavailablePhysicalCameras[cameraId].erase(physicalCameraDeviceName);
+    }
+
     *id = cameraId;
     *physicalId = physicalCameraDeviceName.c_str();
     return OK;
@@ -2282,20 +2278,6 @@
     }
 }
 
-void CameraProviderManager::ProviderInfo::notifyInitialStatusChange(
-        sp<StatusListener> listener,
-        std::unique_ptr<std::vector<CameraStatusInfoT>> cachedStatus) {
-    for (auto& statusInfo : *cachedStatus) {
-        if (statusInfo.isPhysicalCameraStatus) {
-            listener->onDeviceStatusChanged(String8(statusInfo.cameraId.c_str()),
-                    String8(statusInfo.physicalCameraId.c_str()), statusInfo.status);
-        } else {
-            listener->onDeviceStatusChanged(
-                    String8(statusInfo.cameraId.c_str()), statusInfo.status);
-        }
-    }
-}
-
 CameraProviderManager::ProviderInfo::DeviceInfo3::DeviceInfo3(const std::string& name,
         const metadata_vendor_id_t tagId, const std::string &id,
         uint16_t minorVersion,
@@ -2645,9 +2627,6 @@
 }
 
 CameraProviderManager::ProviderInfo::~ProviderInfo() {
-    if (mInitialStatusCallbackFuture.valid()) {
-        mInitialStatusCallbackFuture.wait();
-    }
     // Destruction of ProviderInfo is only supposed to happen when the respective
     // CameraProvider interface dies, so do not unregister callbacks.
 }
diff --git a/services/camera/libcameraservice/common/CameraProviderManager.h b/services/camera/libcameraservice/common/CameraProviderManager.h
index d049aff..86047e8 100644
--- a/services/camera/libcameraservice/common/CameraProviderManager.h
+++ b/services/camera/libcameraservice/common/CameraProviderManager.h
@@ -23,7 +23,6 @@
 #include <set>
 #include <string>
 #include <mutex>
-#include <future>
 
 #include <camera/camera2/ConcurrentCamera.h>
 #include <camera/CameraParameters2.h>
@@ -220,7 +219,14 @@
      */
     std::pair<int, int> getCameraCount() const;
 
-    std::vector<std::string> getCameraDeviceIds() const;
+    /**
+     * Upon the function return, if unavailablePhysicalIds is not nullptr, it
+     * will contain all of the unavailable physical camera Ids represented in
+     * the form of:
+     * {[logicalCamera, {physicalCamera1, physicalCamera2, ...}], ...}.
+     */
+    std::vector<std::string> getCameraDeviceIds(std::unordered_map<
+            std::string, std::set<std::string>>* unavailablePhysicalIds = nullptr) const;
 
     /**
      * Retrieve the number of API1 compatible cameras; these are internal and
@@ -607,6 +613,7 @@
         };
         std::vector<std::unique_ptr<DeviceInfo>> mDevices;
         std::unordered_set<std::string> mUniqueCameraIds;
+        std::unordered_map<std::string, std::set<std::string>> mUnavailablePhysicalCameras;
         int mUniqueDeviceCount;
         std::vector<std::string> mUniqueAPI1CompatibleCameraIds;
         // The initial public camera IDs published by the camera provider.
@@ -715,8 +722,6 @@
         std::vector<CameraStatusInfoT> mCachedStatus;
         // End of scope for mInitLock
 
-        std::future<void> mInitialStatusCallbackFuture;
-
         std::unique_ptr<ProviderInfo::DeviceInfo>
         virtual initializeDeviceInfo(
                 const std::string &name, const metadata_vendor_id_t tagId,
@@ -724,9 +729,6 @@
 
         virtual status_t reCacheConcurrentStreamingCameraIdsLocked() = 0;
 
-        void notifyInitialStatusChange(sp<StatusListener> listener,
-                std::unique_ptr<std::vector<CameraStatusInfoT>> cachedStatus);
-
         std::vector<std::unordered_set<std::string>> mConcurrentCameraIdCombinations;
 
         // Parse provider instance name for type and id
diff --git a/services/camera/libcameraservice/tests/CameraProviderManagerTest.cpp b/services/camera/libcameraservice/tests/CameraProviderManagerTest.cpp
index e9f6979..2f55def 100644
--- a/services/camera/libcameraservice/tests/CameraProviderManagerTest.cpp
+++ b/services/camera/libcameraservice/tests/CameraProviderManagerTest.cpp
@@ -102,23 +102,57 @@
     sp<device::V3_2::ICameraDevice> mDeviceInterface;
     hardware::hidl_vec<common::V1_0::VendorTagSection> mVendorTagSections;
 
+    // Whether to call a physical camera unavailable callback upon setCallback
+    bool mHasPhysicalCameraUnavailableCallback;
+    hardware::hidl_string mLogicalCameraId;
+    hardware::hidl_string mUnavailablePhysicalCameraId;
+
     TestICameraProvider(const std::vector<hardware::hidl_string> &devices,
             const hardware::hidl_vec<common::V1_0::VendorTagSection> &vendorSection) :
         mDeviceNames(devices),
         mDeviceInterface(new TestDeviceInterface(devices)),
-        mVendorTagSections (vendorSection) {}
+        mVendorTagSections (vendorSection),
+        mHasPhysicalCameraUnavailableCallback(false) {}
 
     TestICameraProvider(const std::vector<hardware::hidl_string> &devices,
             const hardware::hidl_vec<common::V1_0::VendorTagSection> &vendorSection,
             android::hardware::hidl_vec<uint8_t> chars) :
         mDeviceNames(devices),
         mDeviceInterface(new TestDeviceInterface(devices, chars)),
-        mVendorTagSections (vendorSection) {}
+        mVendorTagSections (vendorSection),
+        mHasPhysicalCameraUnavailableCallback(false) {}
+
+    TestICameraProvider(const std::vector<hardware::hidl_string> &devices,
+            const hardware::hidl_vec<common::V1_0::VendorTagSection> &vendorSection,
+            android::hardware::hidl_vec<uint8_t> chars,
+            const hardware::hidl_string& logicalCameraId,
+            const hardware::hidl_string& unavailablePhysicalCameraId) :
+        mDeviceNames(devices),
+        mDeviceInterface(new TestDeviceInterface(devices, chars)),
+        mVendorTagSections (vendorSection),
+        mHasPhysicalCameraUnavailableCallback(true),
+        mLogicalCameraId(logicalCameraId),
+        mUnavailablePhysicalCameraId(unavailablePhysicalCameraId) {}
 
     virtual hardware::Return<Status> setCallback(
             const sp<provider::V2_4::ICameraProviderCallback>& callbacks) override {
         mCalledCounter[SET_CALLBACK]++;
         mCallbacks = callbacks;
+        if (mHasPhysicalCameraUnavailableCallback) {
+            auto cast26 = provider::V2_6::ICameraProviderCallback::castFrom(callbacks);
+            if (!cast26.isOk()) {
+                ADD_FAILURE() << "Failed to cast ICameraProviderCallback to V2_6";
+            } else {
+                sp<provider::V2_6::ICameraProviderCallback> callback26 = cast26;
+                if (callback26 == nullptr) {
+                    ADD_FAILURE() << "V2_6::ICameraProviderCallback is null after conversion";
+                } else {
+                    callback26->physicalCameraDeviceStatusChange(mLogicalCameraId,
+                            mUnavailablePhysicalCameraId,
+                            android::hardware::camera::common::V1_0::CameraDeviceStatus::NOT_PRESENT);
+                }
+            }
+        }
         return hardware::Return<Status>(Status::OK);
     }
 
@@ -266,12 +300,16 @@
 };
 
 struct TestStatusListener : public CameraProviderManager::StatusListener {
+    int mPhysicalCameraStatusChangeCount = 0;
+
     ~TestStatusListener() {}
 
     void onDeviceStatusChanged(const String8 &,
             CameraDeviceStatus) override {}
     void onDeviceStatusChanged(const String8 &, const String8 &,
-            CameraDeviceStatus) override {}
+            CameraDeviceStatus) override {
+        mPhysicalCameraStatusChangeCount++;
+    }
     void onTorchStatusChanged(const String8 &,
             TorchModeStatus) override {}
     void onTorchStatusChanged(const String8 &,
@@ -634,3 +672,46 @@
     ASSERT_EQ(deviceCount, deviceNames.size()) <<
             "Unexpected amount of camera devices";
 }
+
+// Test that CameraProviderManager does not trigger
+// onDeviceStatusChanged(NOT_PRESENT) for physical camera before initialize()
+// returns.
+TEST(CameraProviderManagerTest, PhysicalCameraAvailabilityCallbackRaceTest) {
+    std::vector<hardware::hidl_string> deviceNames;
+    deviceNames.push_back("device@3.2/test/0");
+    hardware::hidl_vec<common::V1_0::VendorTagSection> vendorSection;
+
+    sp<CameraProviderManager> providerManager = new CameraProviderManager();
+    sp<TestStatusListener> statusListener = new TestStatusListener();
+    TestInteractionProxy serviceProxy;
+
+    android::hardware::hidl_vec<uint8_t> chars;
+    CameraMetadata meta;
+    int32_t charKeys[] = { ANDROID_REQUEST_AVAILABLE_CAPABILITIES };
+    meta.update(ANDROID_REQUEST_AVAILABLE_CHARACTERISTICS_KEYS, charKeys,
+            sizeof(charKeys) / sizeof(charKeys[0]));
+    uint8_t capabilities[] = { ANDROID_REQUEST_AVAILABLE_CAPABILITIES_LOGICAL_MULTI_CAMERA };
+    meta.update(ANDROID_REQUEST_AVAILABLE_CAPABILITIES, capabilities,
+            sizeof(capabilities)/sizeof(capabilities[0]));
+    uint8_t physicalCameraIds[] = { '2', '\0', '3', '\0' };
+    meta.update(ANDROID_LOGICAL_MULTI_CAMERA_PHYSICAL_IDS, physicalCameraIds,
+            sizeof(physicalCameraIds)/sizeof(physicalCameraIds[0]));
+    camera_metadata_t* metaBuffer = const_cast<camera_metadata_t*>(meta.getAndLock());
+    chars.setToExternal(reinterpret_cast<uint8_t*>(metaBuffer),
+            get_camera_metadata_size(metaBuffer));
+
+    sp<TestICameraProvider> provider = new TestICameraProvider(deviceNames,
+            vendorSection, chars, "device@3.2/test/0", "2");
+    serviceProxy.setProvider(provider);
+
+    status_t res = providerManager->initialize(statusListener, &serviceProxy);
+    ASSERT_EQ(res, OK) << "Unable to initialize provider manager";
+
+    ASSERT_EQ(statusListener->mPhysicalCameraStatusChangeCount, 0)
+            << "Unexpected physical camera status change callback upon provider init.";
+
+    std::unordered_map<std::string, std::set<std::string>> unavailablePhysicalIds;
+    auto cameraIds = providerManager->getCameraDeviceIds(&unavailablePhysicalIds);
+    ASSERT_TRUE(unavailablePhysicalIds.count("0") > 0 && unavailablePhysicalIds["0"].count("2") > 0)
+        << "Unavailable physical camera Ids not set properly.";
+}