Merge "[BUG] AudioPolicy: fix AudioDeviceCallback" into tm-qpr-dev
diff --git a/cmds/screenrecord/screenrecord.cpp b/cmds/screenrecord/screenrecord.cpp
index 2e0b678..d866c18 100644
--- a/cmds/screenrecord/screenrecord.cpp
+++ b/cmds/screenrecord/screenrecord.cpp
@@ -13,6 +13,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+#include <algorithm>
+#include <string_view>
+#include <type_traits>
 
 #include <assert.h>
 #include <ctype.h>
@@ -100,7 +103,6 @@
 static const uint32_t kFallbackHeight = 720;
 static const char* kMimeTypeAvc = "video/avc";
 static const char* kMimeTypeApplicationOctetstream = "application/octet-stream";
-static const char* kWinscopeMagicString = "#VV1NSC0PET1ME!#";
 
 // Command-line parameters.
 static bool gVerbose = false;           // chatty on stdout
@@ -354,14 +356,15 @@
 }
 
 /*
- * Writes an unsigned integer byte-by-byte in little endian order regardless
+ * Writes an unsigned/signed integer byte-by-byte in little endian order regardless
  * of the platform endianness.
  */
-template <typename UINT>
-static void writeValueLE(UINT value, uint8_t* buffer) {
-    for (int i = 0; i < sizeof(UINT); ++i) {
-        buffer[i] = static_cast<uint8_t>(value);
-        value >>= 8;
+template <typename T>
+static void writeValueLE(T value, uint8_t* buffer) {
+    std::remove_const_t<T> temp = value;
+    for (int i = 0; i < sizeof(T); ++i) {
+        buffer[i] = static_cast<std::uint8_t>(temp & 0xff);
+        temp >>= 8;
     }
 }
 
@@ -377,16 +380,18 @@
  * - for every frame its presentation time relative to the elapsed realtime clock in microseconds
  *   (as little endian uint64).
  */
-static status_t writeWinscopeMetadata(const Vector<int64_t>& timestamps,
+static status_t writeWinscopeMetadataLegacy(const Vector<int64_t>& timestamps,
         const ssize_t metaTrackIdx, AMediaMuxer *muxer) {
-    ALOGV("Writing metadata");
+    static constexpr auto kWinscopeMagicStringLegacy = "#VV1NSC0PET1ME!#";
+
+    ALOGV("Writing winscope metadata legacy");
     int64_t systemTimeToElapsedTimeOffsetMicros = (android::elapsedRealtimeNano()
         - systemTime(SYSTEM_TIME_MONOTONIC)) / 1000;
     sp<ABuffer> buffer = new ABuffer(timestamps.size() * sizeof(int64_t)
-        + sizeof(uint32_t) + strlen(kWinscopeMagicString));
+        + sizeof(uint32_t) + strlen(kWinscopeMagicStringLegacy));
     uint8_t* pos = buffer->data();
-    strcpy(reinterpret_cast<char*>(pos), kWinscopeMagicString);
-    pos += strlen(kWinscopeMagicString);
+    strcpy(reinterpret_cast<char*>(pos), kWinscopeMagicStringLegacy);
+    pos += strlen(kWinscopeMagicStringLegacy);
     writeValueLE<uint32_t>(timestamps.size(), pos);
     pos += sizeof(uint32_t);
     for (size_t idx = 0; idx < timestamps.size(); ++idx) {
@@ -395,10 +400,79 @@
         pos += sizeof(uint64_t);
     }
     AMediaCodecBufferInfo bufferInfo = {
-        0,
+        0 /* offset */,
         static_cast<int32_t>(buffer->size()),
-        timestamps[0],
-        0
+        timestamps[0] /* presentationTimeUs */,
+        0 /* flags */
+    };
+    return AMediaMuxer_writeSampleData(muxer, metaTrackIdx, buffer->data(), &bufferInfo);
+}
+
+/*
+ * Saves metadata needed by Winscope to synchronize the screen recording playback with other traces.
+ *
+ * The metadata (version 2) is written as a binary array with the following format:
+ * - winscope magic string (#VV1NSC0PET1ME2#, 16B).
+ * - the metadata version number (4B little endian).
+ * - Realtime-to-elapsed time offset in nanoseconds (8B little endian).
+ * - the recorded frames count (8B little endian)
+ * - for each recorded frame:
+ *     - System time in elapsed clock timebase in nanoseconds (8B little endian).
+ *
+ *
+ * Metadata version 2 changes
+ *
+ * Use elapsed time for compatibility with other UI traces (most of them):
+ * - Realtime-to-elapsed time offset (instead of realtime-to-monotonic)
+ * - Frame timestamps in elapsed clock timebase (instead of monotonic)
+ */
+static status_t writeWinscopeMetadata(const Vector<std::int64_t>& timestampsMonotonicUs,
+        const ssize_t metaTrackIdx, AMediaMuxer *muxer) {
+    ALOGV("Writing winscope metadata");
+
+    static constexpr auto kWinscopeMagicString = std::string_view {"#VV1NSC0PET1ME2#"};
+    static constexpr std::uint32_t metadataVersion = 2;
+
+    const auto elapsedTimeNs = android::elapsedRealtimeNano();
+    const std::int64_t elapsedToMonotonicTimeOffsetNs =
+            elapsedTimeNs - systemTime(SYSTEM_TIME_MONOTONIC);
+    const std::int64_t realToElapsedTimeOffsetNs =
+            systemTime(SYSTEM_TIME_REALTIME) - elapsedTimeNs;
+    const std::uint32_t framesCount = static_cast<std::uint32_t>(timestampsMonotonicUs.size());
+
+    sp<ABuffer> buffer = new ABuffer(
+        kWinscopeMagicString.size() +
+        sizeof(decltype(metadataVersion)) +
+        sizeof(decltype(realToElapsedTimeOffsetNs)) +
+        sizeof(decltype(framesCount)) +
+        framesCount * sizeof(std::uint64_t)
+    );
+    std::uint8_t* pos = buffer->data();
+
+    std::copy(kWinscopeMagicString.cbegin(), kWinscopeMagicString.cend(), pos);
+    pos += kWinscopeMagicString.size();
+
+    writeValueLE(metadataVersion, pos);
+    pos += sizeof(decltype(metadataVersion));
+
+    writeValueLE(realToElapsedTimeOffsetNs, pos);
+    pos += sizeof(decltype(realToElapsedTimeOffsetNs));
+
+    writeValueLE(framesCount, pos);
+    pos += sizeof(decltype(framesCount));
+
+    for (const auto timestampMonotonicUs : timestampsMonotonicUs) {
+        const auto timestampElapsedNs =
+                elapsedToMonotonicTimeOffsetNs + timestampMonotonicUs * 1000;
+        writeValueLE<std::uint64_t>(timestampElapsedNs, pos);
+        pos += sizeof(std::uint64_t);
+    }
+
+    AMediaCodecBufferInfo bufferInfo = {
+        0 /* offset */,
+        static_cast<std::int32_t>(buffer->size()),
+        timestampsMonotonicUs[0] /* presentationTimeUs */,
+        0 /* flags */
     };
     return AMediaMuxer_writeSampleData(muxer, metaTrackIdx, buffer->data(), &bufferInfo);
 }
@@ -418,11 +492,12 @@
     static int kTimeout = 250000;   // be responsive on signal
     status_t err;
     ssize_t trackIdx = -1;
+    ssize_t metaLegacyTrackIdx = -1;
     ssize_t metaTrackIdx = -1;
     uint32_t debugNumFrames = 0;
     int64_t startWhenNsec = systemTime(CLOCK_MONOTONIC);
     int64_t endWhenNsec = startWhenNsec + seconds_to_nanoseconds(gTimeLimitSec);
-    Vector<int64_t> timestamps;
+    Vector<int64_t> timestampsMonotonicUs;
     bool firstFrame = true;
 
     assert((rawFp == NULL && muxer != NULL) || (rawFp != NULL && muxer == NULL));
@@ -520,9 +595,9 @@
                     sp<ABuffer> buffer = new ABuffer(
                             buffers[bufIndex]->data(), buffers[bufIndex]->size());
                     AMediaCodecBufferInfo bufferInfo = {
-                        0,
+                        0 /* offset */,
                         static_cast<int32_t>(buffer->size()),
-                        ptsUsec,
+                        ptsUsec /* presentationTimeUs */,
                         flags
                     };
                     err = AMediaMuxer_writeSampleData(muxer, trackIdx, buffer->data(), &bufferInfo);
@@ -532,7 +607,7 @@
                         return err;
                     }
                     if (gOutputFormat == FORMAT_MP4) {
-                        timestamps.add(ptsUsec);
+                        timestampsMonotonicUs.add(ptsUsec);
                     }
                 }
                 debugNumFrames++;
@@ -565,6 +640,7 @@
                     if (gOutputFormat == FORMAT_MP4) {
                         AMediaFormat *metaFormat = AMediaFormat_new();
                         AMediaFormat_setString(metaFormat, AMEDIAFORMAT_KEY_MIME, kMimeTypeApplicationOctetstream);
+                        metaLegacyTrackIdx = AMediaMuxer_addTrack(muxer, metaFormat);
                         metaTrackIdx = AMediaMuxer_addTrack(muxer, metaFormat);
                         AMediaFormat_delete(metaFormat);
                     }
@@ -604,10 +680,16 @@
                         systemTime(CLOCK_MONOTONIC) - startWhenNsec));
         fflush(stdout);
     }
-    if (metaTrackIdx >= 0 && !timestamps.isEmpty()) {
-        err = writeWinscopeMetadata(timestamps, metaTrackIdx, muxer);
+    if (metaLegacyTrackIdx >= 0 && metaTrackIdx >= 0 && !timestampsMonotonicUs.isEmpty()) {
+        err = writeWinscopeMetadataLegacy(timestampsMonotonicUs, metaLegacyTrackIdx, muxer);
         if (err != NO_ERROR) {
-            fprintf(stderr, "Failed writing metadata to muxer (err=%d)\n", err);
+            fprintf(stderr, "Failed writing legacy winscope metadata to muxer (err=%d)\n", err);
+            return err;
+        }
+
+        err = writeWinscopeMetadata(timestampsMonotonicUs, metaTrackIdx, muxer);
+        if (err != NO_ERROR) {
+            fprintf(stderr, "Failed writing winscope metadata to muxer (err=%d)\n", err);
             return err;
         }
     }
diff --git a/media/libaudiohal/impl/EffectHalHidl.cpp b/media/libaudiohal/impl/EffectHalHidl.cpp
index 8743c04..3956a6c 100644
--- a/media/libaudiohal/impl/EffectHalHidl.cpp
+++ b/media/libaudiohal/impl/EffectHalHidl.cpp
@@ -17,11 +17,16 @@
 #define LOG_TAG "EffectHalHidl"
 //#define LOG_NDEBUG 0
 
+#include <android/hidl/manager/1.0/IServiceManager.h>
+#include <android-base/stringprintf.h>
 #include <common/all-versions/VersionUtils.h>
 #include <cutils/native_handle.h>
+#include <cutils/properties.h>
 #include <hwbinder/IPCThreadState.h>
 #include <media/EffectsFactoryApi.h>
+#include <mediautils/SchedulingPolicyService.h>
 #include <mediautils/TimeCheck.h>
+#include <system/audio_effects/effect_spatializer.h>
 #include <utils/Log.h>
 
 #include <util/EffectUtils.h>
@@ -50,6 +55,18 @@
     effect_descriptor_t halDescriptor{};
     if (EffectHalHidl::getDescriptor(&halDescriptor) == NO_ERROR) {
         mIsInput = (halDescriptor.flags & EFFECT_FLAG_TYPE_PRE_PROC) == EFFECT_FLAG_TYPE_PRE_PROC;
+        const bool isSpatializer =
+                memcmp(&halDescriptor.type, FX_IID_SPATIALIZER, sizeof(effect_uuid_t)) == 0;
+        if (isSpatializer) {
+            constexpr int32_t kRTPriorityMin = 1;
+            constexpr int32_t kRTPriorityMax = 3;
+            const int32_t priorityBoost = property_get_int32("audio.spatializer.priority", 1);
+            if (priorityBoost >= kRTPriorityMin && priorityBoost <= kRTPriorityMax) {
+                ALOGD("%s: audio.spatializer.priority %d on effect %lld",
+                         __func__, priorityBoost, (long long)effectId);
+                mHalThreadPriority = priorityBoost;
+            }
+        }
     }
 }
 
@@ -127,6 +144,8 @@
         ALOGE_IF(!mEfGroup, "Event flag creation for effects failed");
         return NO_INIT;
     }
+
+    (void)checkHalThreadPriority();
     mStatusMQ = std::move(tempStatusMQ);
     return OK;
 }
@@ -317,5 +336,67 @@
     return result;
 }
 
+status_t EffectHalHidl::getHalPid(pid_t *pid) const {
+    using ::android::hidl::base::V1_0::DebugInfo;
+    using ::android::hidl::manager::V1_0::IServiceManager;
+    DebugInfo debugInfo;
+    const auto ret = mEffect->getDebugInfo([&] (const auto &info) {
+        debugInfo = info;
+    });
+    if (!ret.isOk()) {
+        ALOGW("%s: cannot get effect debug info", __func__);
+        return INVALID_OPERATION;
+    }
+    if (debugInfo.pid != (int)IServiceManager::PidConstant::NO_PID) {
+        *pid = debugInfo.pid;
+        return NO_ERROR;
+    }
+    ALOGW("%s: effect debug info does not contain pid", __func__);
+    return NAME_NOT_FOUND;
+}
+
+status_t EffectHalHidl::getHalWorkerTid(pid_t *tid) {
+    int32_t reply = -1;
+    uint32_t replySize = sizeof(reply);
+    const status_t status =
+            command('gtid', 0 /* cmdSize */, nullptr /* pCmdData */, &replySize, &reply);
+    if (status == OK) {
+        *tid = (pid_t)reply;
+    } else {
+        ALOGW("%s: failed with status:%d", __func__, status);
+    }
+    return status;
+}
+
+bool EffectHalHidl::requestHalThreadPriority(pid_t threadPid, pid_t threadId) {
+    if (mHalThreadPriority == kRTPriorityDisabled) {
+        return true;
+    }
+    const int err = requestPriority(
+            threadPid, threadId,
+            mHalThreadPriority, false /*isForApp*/, true /*asynchronous*/);
+    ALOGW_IF(err, "%s: failed to set RT priority %d for pid %d tid %d; error %d",
+            __func__, mHalThreadPriority, threadPid, threadId, err);
+    // Audio will still work, but may be more susceptible to glitches.
+    return err == 0;
+}
+
+status_t EffectHalHidl::checkHalThreadPriority() {
+    if (mHalThreadPriority == kRTPriorityDisabled) return OK;
+    if (mHalThreadPriority < kRTPriorityMin
+            || mHalThreadPriority > kRTPriorityMax) return BAD_VALUE;
+
+    pid_t halPid, halWorkerTid;
+    const status_t status = getHalPid(&halPid) ?: getHalWorkerTid(&halWorkerTid);
+    const bool success = status == OK && requestHalThreadPriority(halPid, halWorkerTid);
+    ALOGD("%s: effectId %lld RT priority(%d) request %s%s",
+            __func__, (long long)mEffectId, mHalThreadPriority,
+            success ? "succeeded" : "failed",
+            status == OK
+                    ? base::StringPrintf(" for pid:%d tid:%d", halPid, halWorkerTid).c_str()
+                    : " (pid / tid cannot be read)");
+    return success ? OK : status != OK ? status : INVALID_OPERATION /* request failed */;
+}
+
 } // namespace effect
 } // namespace android
diff --git a/media/libaudiohal/impl/EffectHalHidl.h b/media/libaudiohal/impl/EffectHalHidl.h
index e139768..94dcd7e 100644
--- a/media/libaudiohal/impl/EffectHalHidl.h
+++ b/media/libaudiohal/impl/EffectHalHidl.h
@@ -78,6 +78,11 @@
     std::unique_ptr<StatusMQ> mStatusMQ;
     EventFlag* mEfGroup;
     bool mIsInput = false;
+    static constexpr int32_t kRTPriorityMin = 1;
+    static constexpr int32_t kRTPriorityMax = 3;
+    static constexpr int kRTPriorityDisabled = 0;
+    // Typical RealTime mHalThreadPriority ranges from 1 (low) to 3 (high).
+    int mHalThreadPriority = kRTPriorityDisabled;
 
     // Can not be constructed directly by clients.
     EffectHalHidl(const sp<IEffect>& effect, uint64_t effectId);
@@ -93,6 +98,10 @@
             uint32_t cmdCode, uint32_t cmdSize, void *pCmdData,
             uint32_t *replySize, void *pReplyData);
     status_t setProcessBuffers();
+    status_t getHalPid(pid_t *pid) const;
+    status_t getHalWorkerTid(pid_t *tid);
+    bool requestHalThreadPriority(pid_t threadPid, pid_t threadId);
+    status_t checkHalThreadPriority();
 };
 
 } // namespace effect
diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index 56ad3a6..4653f96 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -1067,8 +1067,6 @@
         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) {
@@ -2291,8 +2289,7 @@
                  __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);
@@ -3917,7 +3914,6 @@
         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/PatchPanel.cpp b/services/audioflinger/PatchPanel.cpp
index 45dd258..b54b41f 100644
--- a/services/audioflinger/PatchPanel.cpp
+++ b/services/audioflinger/PatchPanel.cpp
@@ -313,12 +313,19 @@
                         patch->sources[0].config_mask & AUDIO_PORT_CONFIG_FLAGS ?
                         patch->sources[0].flags.input : AUDIO_INPUT_FLAG_NONE;
                 audio_io_handle_t input = AUDIO_IO_HANDLE_NONE;
+                audio_source_t source = AUDIO_SOURCE_MIC;
+                // For telephony patches, propagate voice communication use case to record side
+                if (patch->num_sources == 2
+                        && patch->sources[1].ext.mix.usecase.stream
+                                == AUDIO_STREAM_VOICE_CALL) {
+                    source = AUDIO_SOURCE_VOICE_COMMUNICATION;
+                }
                 sp<ThreadBase> thread = mAudioFlinger.openInput_l(srcModule,
                                                                     &input,
                                                                     &config,
                                                                     device,
                                                                     address,
-                                                                    AUDIO_SOURCE_MIC,
+                                                                    source,
                                                                     flags,
                                                                     outputDevice,
                                                                     outputDeviceAddress);
@@ -516,9 +523,14 @@
     audio_output_flags_t outputFlags = mAudioPatch.sinks[0].config_mask & AUDIO_PORT_CONFIG_FLAGS ?
             mAudioPatch.sinks[0].flags.output : AUDIO_OUTPUT_FLAG_NONE;
     audio_stream_type_t streamType = AUDIO_STREAM_PATCH;
+    audio_source_t source = AUDIO_SOURCE_DEFAULT;
     if (mAudioPatch.num_sources == 2 && mAudioPatch.sources[1].type == AUDIO_PORT_TYPE_MIX) {
         // "reuse one existing output mix" case
         streamType = mAudioPatch.sources[1].ext.mix.usecase.stream;
+        // For telephony patches, propagate voice communication use case to record side
+        if (streamType == AUDIO_STREAM_VOICE_CALL) {
+            source = AUDIO_SOURCE_VOICE_COMMUNICATION;
+        }
     }
     if (mPlayback.thread()->hasFastMixer()) {
         // Create a fast track if the playback thread has fast mixer to get better performance.
@@ -546,7 +558,8 @@
                                                  inChannelMask,
                                                  format,
                                                  frameCount,
-                                                 inputFlags);
+                                                 inputFlags,
+                                                 source);
     } else {
         // use a pseudo LCM between input and output framecount
         int playbackShift = __builtin_ctz(playbackFrameCount);
@@ -566,7 +579,9 @@
                                                  frameCount,
                                                  nullptr,
                                                  (size_t)0 /* bufferSize */,
-                                                 inputFlags);
+                                                 inputFlags,
+                                                 {} /* timeout */,
+                                                 source);
     }
     status = mRecord.checkTrack(tempRecordTrack.get());
     if (status != NO_ERROR) {
diff --git a/services/audioflinger/RecordTracks.h b/services/audioflinger/RecordTracks.h
index e8552c4..daec57e 100644
--- a/services/audioflinger/RecordTracks.h
+++ b/services/audioflinger/RecordTracks.h
@@ -87,6 +87,10 @@
                                     && (flags & AUDIO_INPUT_FLAG_HW_AV_SYNC) == 0;
                         }
 
+            using SinkMetadatas = std::vector<record_track_metadata_v7_t>;
+            using MetadataInserter = std::back_insert_iterator<SinkMetadatas>;
+            virtual void    copyMetadataTo(MetadataInserter& backInserter) const;
+
 private:
     friend class AudioFlinger;  // for mState
 
@@ -134,7 +138,8 @@
                 void *buffer,
                 size_t bufferSize,
                 audio_input_flags_t flags,
-                const Timeout& timeout = {});
+                const Timeout& timeout = {},
+                audio_source_t source = AUDIO_SOURCE_DEFAULT);
     virtual             ~PatchRecord();
 
     virtual Source* getSource() { return nullptr; }
@@ -166,7 +171,8 @@
                         audio_channel_mask_t channelMask,
                         audio_format_t format,
                         size_t frameCount,
-                        audio_input_flags_t flags);
+                        audio_input_flags_t flags,
+                        audio_source_t source = AUDIO_SOURCE_DEFAULT);
 
     Source* getSource() override { return static_cast<Source*>(this); }
 
diff --git a/services/audioflinger/Threads.cpp b/services/audioflinger/Threads.cpp
index bce7e25..4ac24a9 100644
--- a/services/audioflinger/Threads.cpp
+++ b/services/audioflinger/Threads.cpp
@@ -7314,6 +7314,27 @@
     if (status != INVALID_OPERATION) {
         updateHalSupportedLatencyModes_l();
     }
+
+    // update priority if specified.
+    constexpr int32_t kRTPriorityMin = 1;
+    constexpr int32_t kRTPriorityMax = 3;
+    const int32_t priorityBoost =
+            property_get_int32("audio.spatializer.priority", kRTPriorityMin);
+    if (priorityBoost >= kRTPriorityMin && priorityBoost <= kRTPriorityMax) {
+        const pid_t pid = getpid();
+        const pid_t tid = getTid();
+
+        if (tid == -1) {
+            // Unusual: PlaybackThread::onFirstRef() should set the threadLoop running.
+            ALOGW("%s: audio.spatializer.priority %d ignored, thread not running",
+                    __func__, priorityBoost);
+        } else {
+            ALOGD("%s: audio.spatializer.priority %d, allowing real time for pid %d  tid %d",
+                    __func__, priorityBoost, pid, tid);
+            sendPrioConfigEvent_l(pid, tid, priorityBoost, false /*forApp*/);
+            stream()->setHalThreadPriority(priorityBoost);
+        }
+    }
 }
 
 status_t AudioFlinger::SpatializerThread::createAudioPatch_l(const struct audio_patch *patch,
@@ -8308,6 +8329,8 @@
     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) {
@@ -8322,7 +8345,7 @@
     }
 
     if (maxSharedAudioHistoryMs != 0) {
-        if (!captureHotwordAllowed(attributionSource)) {
+        if (!captureHotwordAllowed(checkedAttributionSource)) {
             lStatus = PERMISSION_DENIED;
             goto Exit;
         }
@@ -8443,16 +8466,16 @@
         Mutex::Autolock _l(mLock);
         int32_t startFrames = -1;
         if (!mSharedAudioPackageName.empty()
-                && mSharedAudioPackageName == attributionSource.packageName
+                && mSharedAudioPackageName == checkedAttributionSource.packageName
                 && mSharedAudioSessionId == sessionId
-                && captureHotwordAllowed(attributionSource)) {
+                && captureHotwordAllowed(checkedAttributionSource)) {
             startFrames = mSharedAudioStartFrames;
         }
 
         track = new RecordTrack(this, client, attr, sampleRate,
                       format, channelMask, frameCount,
                       nullptr /* buffer */, (size_t)0 /* bufferSize */, sessionId, creatorPid,
-                      attributionSource, *flags, TrackBase::TYPE_DEFAULT, portId,
+                      checkedAttributionSource, *flags, TrackBase::TYPE_DEFAULT, portId,
                       startFrames);
 
         lStatus = track->initCheck();
@@ -8752,21 +8775,9 @@
         return; // nothing to do
     }
     StreamInHalInterface::SinkMetadata metadata;
+    auto backInserter = std::back_inserter(metadata.tracks);
     for (const sp<RecordTrack> &track : mActiveTracks) {
-        // Do not forward PatchRecord metadata to audio HAL
-        if (track->isPatchTrack()) {
-            continue;
-        }
-        // No track is invalid as this is called after prepareTrack_l in the same critical section
-        record_track_metadata_v7_t trackMetadata;
-        trackMetadata.base = {
-                .source = track->attributes().source,
-                .gain = 1, // capture tracks do not have volumes
-        };
-        trackMetadata.channel_mask = track->channelMask(),
-        strncpy(trackMetadata.tags, track->attributes().tags, AUDIO_ATTRIBUTES_TAGS_MAX_SIZE);
-
-        metadata.tracks.push_back(trackMetadata);
+        track->copyMetadataTo(backInserter);
     }
     mInput->stream->updateSinkMetadata(metadata);
 }
diff --git a/services/audioflinger/Tracks.cpp b/services/audioflinger/Tracks.cpp
index ac8909f..0a1bc81 100644
--- a/services/audioflinger/Tracks.cpp
+++ b/services/audioflinger/Tracks.cpp
@@ -529,7 +529,10 @@
             id, attr.flags);
         return nullptr;
     }
-    return new OpPlayAudioMonitor(attributionSource, attr.usage, id);
+
+    AttributionSourceState checkedAttributionSource = AudioFlinger::checkAttributionSourcePackage(
+            attributionSource);
+    return new OpPlayAudioMonitor(checkedAttributionSource, attr.usage, id);
 }
 
 AudioFlinger::PlaybackThread::OpPlayAudioMonitor::OpPlayAudioMonitor(
@@ -1477,7 +1480,7 @@
         }
     }
 
-    metadata.channel_mask = mChannelMask,
+    metadata.channel_mask = mChannelMask;
     strncpy(metadata.tags, mAttr.tags, AUDIO_ATTRIBUTES_TAGS_MAX_SIZE);
     *backInserter++ = metadata;
 }
@@ -2021,7 +2024,6 @@
 {
     Buffer *pInBuffer;
     Buffer inBuffer;
-    bool outputBufferFull = false;
     inBuffer.frameCount = frames;
     inBuffer.raw = data;
 
@@ -2051,7 +2053,6 @@
                 ALOGV("%s(%d): thread %d no more output buffers; status %d",
                         __func__, mId,
                         (int)mThreadIoHandle, status);
-                outputBufferFull = true;
                 break;
             }
             uint32_t waitTimeMs = (uint32_t)ns2ms(systemTime() - startTime);
@@ -2747,6 +2748,25 @@
     }
 }
 
+void AudioFlinger::RecordThread::RecordTrack::copyMetadataTo(MetadataInserter& backInserter) const
+{
+
+    // Do not forward PatchRecord metadata with unspecified audio source
+    if (mAttr.source == AUDIO_SOURCE_DEFAULT) {
+        return;
+    }
+
+    // No track is invalid as this is called after prepareTrack_l in the same critical section
+    record_track_metadata_v7_t metadata;
+    metadata.base = {
+            .source = mAttr.source,
+            .gain = 1, // capture tracks do not have volumes
+    };
+    metadata.channel_mask = mChannelMask;
+    strncpy(metadata.tags, mAttr.tags, AUDIO_ATTRIBUTES_TAGS_MAX_SIZE);
+
+    *backInserter++ = metadata;
+}
 
 // ----------------------------------------------------------------------------
 #undef LOG_TAG
@@ -2760,9 +2780,10 @@
                                                      void *buffer,
                                                      size_t bufferSize,
                                                      audio_input_flags_t flags,
-                                                     const Timeout& timeout)
+                                                     const Timeout& timeout,
+                                                     audio_source_t source)
     :   RecordTrack(recordThread, NULL,
-                audio_attributes_t{} /* currently unused for patch track */,
+                audio_attributes_t{ .source = source } ,
                 sampleRate, format, channelMask, frameCount,
                 buffer, bufferSize, AUDIO_SESSION_NONE, getpid(),
                 audioServerAttributionSource(getpid()), flags, TYPE_PATCH),
@@ -2873,9 +2894,10 @@
         audio_channel_mask_t channelMask,
         audio_format_t format,
         size_t frameCount,
-        audio_input_flags_t flags)
+        audio_input_flags_t flags,
+        audio_source_t source)
         : PatchRecord(recordThread, sampleRate, channelMask, format, frameCount,
-                nullptr /*buffer*/, 0 /*bufferSize*/, flags),
+                nullptr /*buffer*/, 0 /*bufferSize*/, flags, {} /* timeout */, source),
           mPatchRecordAudioBufferProvider(*this),
           mSinkBuffer(allocAligned(32, mFrameCount * mFrameSize)),
           mStubBuffer(allocAligned(32, mFrameCount * mFrameSize))
diff --git a/services/audiopolicy/managerdefault/AudioPolicyManager.cpp b/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
index 8b78c5e..31dabd9 100644
--- a/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
+++ b/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
@@ -788,7 +788,8 @@
     ALOGV("%s between source %s and sink %s", __func__,
             srcDevice->toString().c_str(), sinkDevice->toString().c_str());
     auto callTxSourceClientPortId = PolicyAudioPort::getNextUniqueId();
-    const audio_attributes_t aa = { .source = AUDIO_SOURCE_VOICE_COMMUNICATION };
+    const auto aa = mEngine->getAttributesForStreamType(AUDIO_STREAM_VOICE_CALL);
+
     struct audio_port_config source = {};
     srcDevice->toAudioPortConfig(&source);
     mCallTxSourceClient = new InternalSourceClientDescriptor(
@@ -4534,7 +4535,7 @@
                 // In case of Hw bridge, it is a Work Around. The mixPort used is the one declared
                 // in config XML to reach the sink so that is can be declared as available.
                 audio_io_handle_t output = AUDIO_IO_HANDLE_NONE;
-                sp<SwAudioOutputDescriptor> outputDesc = nullptr;
+                sp<SwAudioOutputDescriptor> outputDesc;
                 if (!sourceDesc->isInternal()) {
                     // take care of dynamic routing for SwOutput selection,
                     audio_attributes_t attributes = sourceDesc->attributes();
@@ -4605,7 +4606,8 @@
                         audio_port_config srcMixPortConfig = {};
                         outputDesc->toAudioPortConfig(&srcMixPortConfig, nullptr);
                         // for volume control, we may need a valid stream
-                        srcMixPortConfig.ext.mix.usecase.stream = !sourceDesc->isInternal() ?
+                        srcMixPortConfig.ext.mix.usecase.stream =
+                            (!sourceDesc->isInternal() || isCallTxAudioSource(sourceDesc)) ?
                                     mEngine->getStreamTypeForAttributes(sourceDesc->attributes()) :
                                     AUDIO_STREAM_PATCH;
                         patchBuilder.addSource(srcMixPortConfig);
diff --git a/services/audiopolicy/managerdefault/AudioPolicyManager.h b/services/audiopolicy/managerdefault/AudioPolicyManager.h
index 87e6974..2c1db79 100644
--- a/services/audiopolicy/managerdefault/AudioPolicyManager.h
+++ b/services/audiopolicy/managerdefault/AudioPolicyManager.h
@@ -639,6 +639,10 @@
             return mCallRxSourceClient != nullptr && source == mCallRxSourceClient;
         }
 
+        bool isCallTxAudioSource(const sp<SourceClientDescriptor> &source) {
+            return mCallTxSourceClient != nullptr && source == mCallTxSourceClient;
+        }
+
         void connectTelephonyRxAudioSource();
 
         void disconnectTelephonyAudioSource(sp<SourceClientDescriptor> &clientDesc);
diff --git a/services/audiopolicy/service/Spatializer.cpp b/services/audiopolicy/service/Spatializer.cpp
index 9c989ce..be95d58 100644
--- a/services/audiopolicy/service/Spatializer.cpp
+++ b/services/audiopolicy/service/Spatializer.cpp
@@ -741,6 +741,17 @@
     msg->post();
 }
 
+void Spatializer::resetEngineHeadPose_l() {
+    ALOGV("%s mEngine %p", __func__, mEngine.get());
+    if (mEngine == nullptr) {
+        return;
+    }
+    const std::vector<float> headToStage(6, 0.0);
+    setEffectParameter_l(SPATIALIZER_PARAM_HEAD_TO_STAGE, headToStage);
+    setEffectParameter_l(SPATIALIZER_PARAM_HEADTRACKING_MODE,
+            std::vector<SpatializerHeadTrackingMode>{SpatializerHeadTrackingMode::DISABLED});
+}
+
 void Spatializer::onHeadToStagePoseMsg(const std::vector<float>& headToStage) {
     ALOGV("%s", __func__);
     sp<media::ISpatializerHeadTrackingCallback> callback;
@@ -792,8 +803,12 @@
         }
         mActualHeadTrackingMode = spatializerMode;
         if (mEngine != nullptr) {
-            setEffectParameter_l(SPATIALIZER_PARAM_HEADTRACKING_MODE,
-                                 std::vector<SpatializerHeadTrackingMode>{spatializerMode});
+            if (spatializerMode == SpatializerHeadTrackingMode::DISABLED) {
+                resetEngineHeadPose_l();
+            } else {
+                setEffectParameter_l(SPATIALIZER_PARAM_HEADTRACKING_MODE,
+                                     std::vector<SpatializerHeadTrackingMode>{spatializerMode});
+            }
         }
         callback = mHeadTrackingCallback;
         mLocalLog.log("%s: %s, spatializerMode %s", __func__, media::toString(mode).c_str(),
@@ -923,16 +938,25 @@
     bool lowLatencySupported = mSupportedLatencyModes.empty()
             || (std::find(mSupportedLatencyModes.begin(), mSupportedLatencyModes.end(),
                     AUDIO_LATENCY_MODE_LOW) != mSupportedLatencyModes.end());
-    if (mSupportsHeadTracking && mPoseController != nullptr) {
-        if (lowLatencySupported && mNumActiveTracks > 0 && mLevel != SpatializationLevel::NONE
-            && mDesiredHeadTrackingMode != HeadTrackingMode::STATIC
-            && mHeadSensor != SpatializerPoseController::INVALID_SENSOR) {
-            mPoseController->setHeadSensor(mHeadSensor);
-            mPoseController->setScreenSensor(mScreenSensor);
-            requestedLatencyMode = AUDIO_LATENCY_MODE_LOW;
+    if (mSupportsHeadTracking) {
+        if (mPoseController != nullptr) {
+            if (lowLatencySupported && mNumActiveTracks > 0 && mLevel != SpatializationLevel::NONE
+                && mDesiredHeadTrackingMode != HeadTrackingMode::STATIC
+                && mHeadSensor != SpatializerPoseController::INVALID_SENSOR) {
+                if (mEngine != nullptr) {
+                    setEffectParameter_l(SPATIALIZER_PARAM_HEADTRACKING_MODE,
+                            std::vector<SpatializerHeadTrackingMode>{mActualHeadTrackingMode});
+                }
+                mPoseController->setHeadSensor(mHeadSensor);
+                mPoseController->setScreenSensor(mScreenSensor);
+                requestedLatencyMode = AUDIO_LATENCY_MODE_LOW;
+            } else {
+                mPoseController->setHeadSensor(SpatializerPoseController::INVALID_SENSOR);
+                mPoseController->setScreenSensor(SpatializerPoseController::INVALID_SENSOR);
+                resetEngineHeadPose_l();
+            }
         } else {
-            mPoseController->setHeadSensor(SpatializerPoseController::INVALID_SENSOR);
-            mPoseController->setScreenSensor(SpatializerPoseController::INVALID_SENSOR);
+            resetEngineHeadPose_l();
         }
     }
     if (mOutput != AUDIO_IO_HANDLE_NONE) {
@@ -946,8 +970,6 @@
             mEngine->setEnabled(true);
             setEffectParameter_l(SPATIALIZER_PARAM_LEVEL,
                     std::vector<SpatializationLevel>{mLevel});
-            setEffectParameter_l(SPATIALIZER_PARAM_HEADTRACKING_MODE,
-                    std::vector<SpatializerHeadTrackingMode>{mActualHeadTrackingMode});
         } else {
             setEffectParameter_l(SPATIALIZER_PARAM_LEVEL,
                     std::vector<SpatializationLevel>{SpatializationLevel::NONE});
@@ -969,6 +991,7 @@
         mPoseController->setDisplayOrientation(mDisplayOrientation);
     } else if (!isControllerNeeded && mPoseController != nullptr) {
         mPoseController.reset();
+        resetEngineHeadPose_l();
     }
     if (mPoseController != nullptr) {
         mPoseController->setDesiredMode(mDesiredHeadTrackingMode);
diff --git a/services/audiopolicy/service/Spatializer.h b/services/audiopolicy/service/Spatializer.h
index 2687b5c..bcbd92b 100644
--- a/services/audiopolicy/service/Spatializer.h
+++ b/services/audiopolicy/service/Spatializer.h
@@ -350,6 +350,12 @@
      */
     void checkEngineState_l() REQUIRES(mLock);
 
+    /**
+     * Reset head tracking mode and recenter pose in engine: Called when the head tracking
+     * is disabled.
+     */
+    void resetEngineHeadPose_l() REQUIRES(mLock);
+
     /** Effect engine descriptor */
     const effect_descriptor_t mEngineDescriptor;
     /** Callback interface to parent audio policy service */
diff --git a/services/camera/libcameraservice/device3/PreviewFrameSpacer.cpp b/services/camera/libcameraservice/device3/PreviewFrameSpacer.cpp
index b3cb178..83caa00 100644
--- a/services/camera/libcameraservice/device3/PreviewFrameSpacer.cpp
+++ b/services/camera/libcameraservice/device3/PreviewFrameSpacer.cpp
@@ -69,7 +69,9 @@
     }
 
     // Cache the frame to match readout time interval, for up to kMaxFrameWaitTime
-    nsecs_t expectedQueueTime = mLastCameraPresentTime + readoutInterval;
+    // Because the code between here and queueBuffer() takes time to execute, make sure the
+    // presentationInterval is slightly shorter than readoutInterval.
+    nsecs_t expectedQueueTime = mLastCameraPresentTime + readoutInterval - kFrameAdjustThreshold;
     nsecs_t frameWaitTime = std::min(kMaxFrameWaitTime, expectedQueueTime - currentTime);
     if (frameWaitTime > 0 && mPendingBuffers.size() < 2) {
         mBufferCond.waitRelative(mLock, frameWaitTime);
@@ -78,9 +80,9 @@
         }
         currentTime = systemTime();
     }
-    ALOGV("%s: readoutInterval %" PRId64 ", queueInterval %" PRId64 ", waited for %" PRId64
+    ALOGV("%s: readoutInterval %" PRId64 ", waited for %" PRId64
             ", timestamp %" PRId64, __FUNCTION__, readoutInterval,
-            currentTime - mLastCameraPresentTime, frameWaitTime, buffer.timestamp);
+            mPendingBuffers.size() < 2 ? frameWaitTime : 0, buffer.timestamp);
     mPendingBuffers.pop();
     queueBufferToClientLocked(buffer, currentTime);
     return true;
diff --git a/services/camera/libcameraservice/device3/PreviewFrameSpacer.h b/services/camera/libcameraservice/device3/PreviewFrameSpacer.h
index cb9690c..f46de3d 100644
--- a/services/camera/libcameraservice/device3/PreviewFrameSpacer.h
+++ b/services/camera/libcameraservice/device3/PreviewFrameSpacer.h
@@ -86,6 +86,7 @@
     static constexpr nsecs_t kWaitDuration = 5000000LL; // 50ms
     static constexpr nsecs_t kFrameIntervalThreshold = 80000000LL; // 80ms
     static constexpr nsecs_t kMaxFrameWaitTime = 10000000LL; // 10ms
+    static constexpr nsecs_t kFrameAdjustThreshold = 2000000LL; // 2ms
 };
 
 }; //namespace camera3