Merge "DO NOT MERGE - Merge qt-dev-plus-aosp-without-vendor (5699924) into stage-aosp-master" into stage-aosp-master

9 files changed, 575 insertions, 116 deletions

diff --git a/camera/common/1.0/default/Android.bp b/camera/common/1.0/default/Android.bp
index 21f81f5acc..3e5c6d7812 100644
--- a/camera/common/1.0/default/Android.bp
+++ b/camera/common/1.0/default/Android.bp
@@ -20,6 +20,7 @@ cc_library_static {
         "libhardware",
         "libcamera_metadata",
         "android.hardware.graphics.mapper@2.0",
+        "android.hardware.graphics.mapper@3.0",
         "libexif",
     ],
     include_dirs: ["system/media/private/camera/include"],
diff --git a/camera/common/1.0/default/CameraMetadata.cpp b/camera/common/1.0/default/CameraMetadata.cpp
index 4c54931a11..eb1bd1c149 100644
--- a/camera/common/1.0/default/CameraMetadata.cpp
+++ b/camera/common/1.0/default/CameraMetadata.cpp
@@ -171,17 +171,16 @@ status_t CameraMetadata::sort() {
 }
 
 status_t CameraMetadata::checkType(uint32_t tag, uint8_t expectedType) {
-    int tagType = get_camera_metadata_tag_type(tag);
+    int tagType = get_local_camera_metadata_tag_type(tag, mBuffer);
     if ( CC_UNLIKELY(tagType == -1)) {
         ALOGE("Update metadata entry: Unknown tag %d", tag);
         return INVALID_OPERATION;
     }
     if ( CC_UNLIKELY(tagType != expectedType) ) {
         ALOGE("Mismatched tag type when updating entry %s (%d) of type %s; "
-                "got type %s data instead ",
-                get_camera_metadata_tag_name(tag), tag,
-                camera_metadata_type_names[tagType],
-                camera_metadata_type_names[expectedType]);
+              "got type %s data instead ",
+              get_local_camera_metadata_tag_name(tag, mBuffer), tag,
+              camera_metadata_type_names[tagType], camera_metadata_type_names[expectedType]);
         return INVALID_OPERATION;
     }
     return OK;
@@ -298,7 +297,7 @@ status_t CameraMetadata::updateImpl(uint32_t tag, const void *data,
         ALOGE("%s: CameraMetadata is locked", __FUNCTION__);
         return INVALID_OPERATION;
     }
-    int type = get_camera_metadata_tag_type(tag);
+    int type = get_local_camera_metadata_tag_type(tag, mBuffer);
     if (type == -1) {
         ALOGE("%s: Tag %d not found", __FUNCTION__, tag);
         return BAD_VALUE;
@@ -332,9 +331,9 @@ status_t CameraMetadata::updateImpl(uint32_t tag, const void *data,
     }
 
     if (res != OK) {
-        ALOGE("%s: Unable to update metadata entry %s.%s (%x): %s (%d)",
-                __FUNCTION__, get_camera_metadata_section_name(tag),
-                get_camera_metadata_tag_name(tag), tag, strerror(-res), res);
+        ALOGE("%s: Unable to update metadata entry %s.%s (%x): %s (%d)", __FUNCTION__,
+              get_local_camera_metadata_section_name(tag, mBuffer),
+              get_local_camera_metadata_tag_name(tag, mBuffer), tag, strerror(-res), res);
     }
 
     IF_ALOGV() {
@@ -391,18 +390,16 @@ status_t CameraMetadata::erase(uint32_t tag) {
     if (res == NAME_NOT_FOUND) {
         return OK;
     } else if (res != OK) {
-        ALOGE("%s: Error looking for entry %s.%s (%x): %s %d",
-                __FUNCTION__,
-                get_camera_metadata_section_name(tag),
-                get_camera_metadata_tag_name(tag), tag, strerror(-res), res);
+        ALOGE("%s: Error looking for entry %s.%s (%x): %s %d", __FUNCTION__,
+              get_local_camera_metadata_section_name(tag, mBuffer),
+              get_local_camera_metadata_tag_name(tag, mBuffer), tag, strerror(-res), res);
         return res;
     }
     res = delete_camera_metadata_entry(mBuffer, entry.index);
     if (res != OK) {
-        ALOGE("%s: Error deleting entry %s.%s (%x): %s %d",
-                __FUNCTION__,
-                get_camera_metadata_section_name(tag),
-                get_camera_metadata_tag_name(tag), tag, strerror(-res), res);
+        ALOGE("%s: Error deleting entry %s.%s (%x): %s %d", __FUNCTION__,
+              get_local_camera_metadata_section_name(tag, mBuffer),
+              get_local_camera_metadata_tag_name(tag, mBuffer), tag, strerror(-res), res);
     }
     return res;
 }
diff --git a/camera/common/1.0/default/CameraModule.cpp b/camera/common/1.0/default/CameraModule.cpp
index dc4e0f01ff..467c121a94 100644
--- a/camera/common/1.0/default/CameraModule.cpp
+++ b/camera/common/1.0/default/CameraModule.cpp
@@ -235,7 +235,7 @@ void CameraModule::appendAvailableKeys(CameraMetadata &chars,
     chars.update(keyTag, availableKeys);
 }
 
-CameraModule::CameraModule(camera_module_t *module) {
+CameraModule::CameraModule(camera_module_t *module) : mNumberOfCameras(0) {
     if (module == NULL) {
         ALOGE("%s: camera hardware module must not be null", __FUNCTION__);
         assert(0);
@@ -253,6 +253,14 @@ CameraModule::~CameraModule()
         }
         mCameraInfoMap.removeItemsAt(0);
     }
+
+    while (mPhysicalCameraInfoMap.size() > 0) {
+        camera_metadata_t* metadata = mPhysicalCameraInfoMap.editValueAt(0);
+        if (metadata != NULL) {
+            free_camera_metadata(metadata);
+        }
+        mPhysicalCameraInfoMap.removeItemsAt(0);
+    }
 }
 
 int CameraModule::init() {
@@ -264,7 +272,8 @@ int CameraModule::init() {
         res = mModule->init();
         ATRACE_END();
     }
-    mCameraInfoMap.setCapacity(getNumberOfCameras());
+    mNumberOfCameras = getNumberOfCameras();
+    mCameraInfoMap.setCapacity(mNumberOfCameras);
     return res;
 }
 
@@ -319,6 +328,52 @@ int CameraModule::getCameraInfo(int cameraId, struct camera_info *info) {
     return OK;
 }
 
+int CameraModule::getPhysicalCameraInfo(int physicalCameraId, camera_metadata_t **physicalInfo) {
+    ATRACE_CALL();
+    Mutex::Autolock lock(mCameraInfoLock);
+    if (physicalCameraId < mNumberOfCameras) {
+        ALOGE("%s: Invalid physical camera ID %d", __FUNCTION__, physicalCameraId);
+        return -EINVAL;
+    }
+
+    // Only query physical camera info for 2.5 version for newer
+    int apiVersion = mModule->common.module_api_version;
+    if (apiVersion < CAMERA_MODULE_API_VERSION_2_5) {
+        ALOGE("%s: Module version must be at least 2.5 to handle getPhysicalCameraInfo",
+                __FUNCTION__);
+        return -ENODEV;
+    }
+    if (mModule->get_physical_camera_info == nullptr) {
+        ALOGE("%s: get_physical_camera is NULL for module version 2.5", __FUNCTION__);
+        return -EINVAL;
+    }
+
+    ssize_t index = mPhysicalCameraInfoMap.indexOfKey(physicalCameraId);
+    if (index == NAME_NOT_FOUND) {
+        // Get physical camera characteristics, and cache it
+        camera_metadata_t *info = nullptr;
+        ATRACE_BEGIN("camera_module->get_physical_camera_info");
+        int ret = mModule->get_physical_camera_info(physicalCameraId, &info);
+        ATRACE_END();
+        if (ret != 0) {
+            return ret;
+        }
+
+        // The camera_metadata_t returned by get_physical_camera_info could be using
+        // more memory than necessary due to unused reserved space. Reduce the
+        // size by appending it to a new CameraMetadata object, which internally
+        // calls resizeIfNeeded.
+        CameraMetadata m;
+        m.append(info);
+        camera_metadata_t* derivedMetadata = m.release();
+        index = mPhysicalCameraInfoMap.add(physicalCameraId, derivedMetadata);
+    }
+
+    assert(index != NAME_NOT_FOUND);
+    *physicalInfo = mPhysicalCameraInfoMap[index];
+    return OK;
+}
+
 int CameraModule::getDeviceVersion(int cameraId) {
     ssize_t index = mDeviceVersionMap.indexOfKey(cameraId);
     if (index == NAME_NOT_FOUND) {
@@ -412,6 +467,64 @@ int CameraModule::setTorchMode(const char* camera_id, bool enable) {
     return res;
 }
 
+int CameraModule::isStreamCombinationSupported(int cameraId, camera_stream_combination_t *streams) {
+    int res = INVALID_OPERATION;
+    if (mModule->is_stream_combination_supported != NULL) {
+        ATRACE_BEGIN("camera_module->is_stream_combination_supported");
+        res = mModule->is_stream_combination_supported(cameraId, streams);
+        ATRACE_END();
+    }
+    return res;
+}
+
+void CameraModule::notifyDeviceStateChange(uint64_t deviceState) {
+   if (getModuleApiVersion() >= CAMERA_MODULE_API_VERSION_2_5 &&
+           mModule->notify_device_state_change != NULL) {
+       ATRACE_BEGIN("camera_module->notify_device_state_change");
+       ALOGI("%s: calling notify_device_state_change with state %" PRId64, __FUNCTION__,
+               deviceState);
+       mModule->notify_device_state_change(deviceState);
+       ATRACE_END();
+   }
+}
+
+bool CameraModule::isLogicalMultiCamera(
+        const common::V1_0::helper::CameraMetadata& metadata,
+        std::unordered_set<std::string>* physicalCameraIds) {
+    if (physicalCameraIds == nullptr) {
+        ALOGE("%s: physicalCameraIds must not be null", __FUNCTION__);
+        return false;
+    }
+
+    bool isLogicalMultiCamera = false;
+    camera_metadata_ro_entry_t capabilities =
+            metadata.find(ANDROID_REQUEST_AVAILABLE_CAPABILITIES);
+    for (size_t i = 0; i < capabilities.count; i++) {
+        if (capabilities.data.u8[i] ==
+                ANDROID_REQUEST_AVAILABLE_CAPABILITIES_LOGICAL_MULTI_CAMERA) {
+            isLogicalMultiCamera = true;
+            break;
+        }
+    }
+
+    if (isLogicalMultiCamera) {
+        camera_metadata_ro_entry_t entry =
+                metadata.find(ANDROID_LOGICAL_MULTI_CAMERA_PHYSICAL_IDS);
+        const uint8_t* ids = entry.data.u8;
+        size_t start = 0;
+        for (size_t i = 0; i < entry.count; ++i) {
+            if (ids[i] == '\0') {
+                if (start != i) {
+                    const char* physicalId = reinterpret_cast<const char*>(ids+start);
+                    physicalCameraIds->emplace(physicalId);
+                }
+                start = i + 1;
+            }
+        }
+    }
+    return isLogicalMultiCamera;
+}
+
 status_t CameraModule::filterOpenErrorCode(status_t err) {
     switch(err) {
         case NO_ERROR:
@@ -426,8 +539,24 @@ status_t CameraModule::filterOpenErrorCode(status_t err) {
 }
 
 void CameraModule::removeCamera(int cameraId) {
-    free_camera_metadata(
-        const_cast<camera_metadata_t*>(mCameraInfoMap[cameraId].static_camera_characteristics));
+    std::unordered_set<std::string> physicalIds;
+    camera_metadata_t *metadata = const_cast<camera_metadata_t*>(
+            mCameraInfoMap.valueFor(cameraId).static_camera_characteristics);
+    common::V1_0::helper::CameraMetadata hidlMetadata(metadata);
+
+    if (isLogicalMultiCamera(hidlMetadata, &physicalIds)) {
+        for (const auto& id : physicalIds) {
+            int idInt = std::stoi(id);
+            if (mPhysicalCameraInfoMap.indexOfKey(idInt) >= 0) {
+                free_camera_metadata(mPhysicalCameraInfoMap[idInt]);
+                mPhysicalCameraInfoMap.removeItem(idInt);
+            } else {
+                ALOGE("%s: Cannot find corresponding static metadata for physical id %s",
+                        __FUNCTION__, id.c_str());
+            }
+        }
+    }
+    free_camera_metadata(metadata);
     mCameraInfoMap.removeItem(cameraId);
     mDeviceVersionMap.removeItem(cameraId);
 }
diff --git a/camera/common/1.0/default/HandleImporter.cpp b/camera/common/1.0/default/HandleImporter.cpp
index 21706a84a3..b8c40e95b8 100644
--- a/camera/common/1.0/default/HandleImporter.cpp
+++ b/camera/common/1.0/default/HandleImporter.cpp
@@ -25,7 +25,9 @@ namespace common {
 namespace V1_0 {
 namespace helper {
 
-using MapperError = android::hardware::graphics::mapper::V2_0::Error;
+using MapperErrorV2 = android::hardware::graphics::mapper::V2_0::Error;
+using MapperErrorV3 = android::hardware::graphics::mapper::V3_0::Error;
+using IMapperV3 = android::hardware::graphics::mapper::V3_0::IMapper;
 
 HandleImporter::HandleImporter() : mInitialized(false) {}
 
@@ -34,8 +36,14 @@ void HandleImporter::initializeLocked() {
         return;
     }
 
-    mMapper = IMapper::getService();
-    if (mMapper == nullptr) {
+    mMapperV3 = IMapperV3::getService();
+    if (mMapperV3 != nullptr) {
+        mInitialized = true;
+        return;
+    }
+
+    mMapperV2 = IMapper::getService();
+    if (mMapperV2 == nullptr) {
         ALOGE("%s: cannnot acccess graphics mapper HAL!", __FUNCTION__);
         return;
     }
@@ -45,32 +53,16 @@ void HandleImporter::initializeLocked() {
 }
 
 void HandleImporter::cleanup() {
-    mMapper.clear();
+    mMapperV3.clear();
+    mMapperV2.clear();
     mInitialized = false;
 }
 
-// In IComposer, any buffer_handle_t is owned by the caller and we need to
-// make a clone for hwcomposer2.  We also need to translate empty handle
-// to nullptr.  This function does that, in-place.
-bool HandleImporter::importBuffer(buffer_handle_t& handle) {
-    if (!handle->numFds && !handle->numInts) {
-        handle = nullptr;
-        return true;
-    }
-
-    Mutex::Autolock lock(mLock);
-    if (!mInitialized) {
-        initializeLocked();
-    }
-
-    if (mMapper == nullptr) {
-        ALOGE("%s: mMapper is null!", __FUNCTION__);
-        return false;
-    }
-
-    MapperError error;
+template<class M, class E>
+bool HandleImporter::importBufferInternal(const sp<M> mapper, buffer_handle_t& handle) {
+    E error;
     buffer_handle_t importedHandle;
-    auto ret = mMapper->importBuffer(
+    auto ret = mapper->importBuffer(
         hidl_handle(handle),
         [&](const auto& tmpError, const auto& tmpBufferHandle) {
             error = tmpError;
@@ -83,30 +75,117 @@ bool HandleImporter::importBuffer(buffer_handle_t& handle) {
         return false;
     }
 
-    if (error != MapperError::NONE) {
+    if (error != E::NONE) {
         return false;
     }
 
     handle = importedHandle;
-
     return true;
 }
 
+template<class M, class E>
+YCbCrLayout HandleImporter::lockYCbCrInternal(const sp<M> mapper, buffer_handle_t& buf,
+        uint64_t cpuUsage, const IMapper::Rect& accessRegion) {
+    hidl_handle acquireFenceHandle;
+    auto buffer = const_cast<native_handle_t*>(buf);
+    YCbCrLayout layout = {};
+
+    typename M::Rect accessRegionCopy = {accessRegion.left, accessRegion.top,
+            accessRegion.width, accessRegion.height};
+    mapper->lockYCbCr(buffer, cpuUsage, accessRegionCopy, acquireFenceHandle,
+            [&](const auto& tmpError, const auto& tmpLayout) {
+                if (tmpError == E::NONE) {
+                    // Member by member copy from different versions of YCbCrLayout.
+                    layout.y = tmpLayout.y;
+                    layout.cb = tmpLayout.cb;
+                    layout.cr = tmpLayout.cr;
+                    layout.yStride = tmpLayout.yStride;
+                    layout.cStride = tmpLayout.cStride;
+                    layout.chromaStep = tmpLayout.chromaStep;
+                } else {
+                    ALOGE("%s: failed to lockYCbCr error %d!", __FUNCTION__, tmpError);
+                }
+           });
+    return layout;
+}
+
+template<class M, class E>
+int HandleImporter::unlockInternal(const sp<M> mapper, buffer_handle_t& buf) {
+    int releaseFence = -1;
+    auto buffer = const_cast<native_handle_t*>(buf);
+
+    mapper->unlock(
+        buffer, [&](const auto& tmpError, const auto& tmpReleaseFence) {
+            if (tmpError == E::NONE) {
+                auto fenceHandle = tmpReleaseFence.getNativeHandle();
+                if (fenceHandle) {
+                    if (fenceHandle->numInts != 0 || fenceHandle->numFds != 1) {
+                        ALOGE("%s: bad release fence numInts %d numFds %d",
+                                __FUNCTION__, fenceHandle->numInts, fenceHandle->numFds);
+                        return;
+                    }
+                    releaseFence = dup(fenceHandle->data[0]);
+                    if (releaseFence < 0) {
+                        ALOGE("%s: bad release fence FD %d",
+                                __FUNCTION__, releaseFence);
+                    }
+                }
+            } else {
+                ALOGE("%s: failed to unlock error %d!", __FUNCTION__, tmpError);
+            }
+        });
+    return releaseFence;
+}
+
+// In IComposer, any buffer_handle_t is owned by the caller and we need to
+// make a clone for hwcomposer2.  We also need to translate empty handle
+// to nullptr.  This function does that, in-place.
+bool HandleImporter::importBuffer(buffer_handle_t& handle) {
+    if (!handle->numFds && !handle->numInts) {
+        handle = nullptr;
+        return true;
+    }
+
+    Mutex::Autolock lock(mLock);
+    if (!mInitialized) {
+        initializeLocked();
+    }
+
+    if (mMapperV3 != nullptr) {
+        return importBufferInternal<IMapperV3, MapperErrorV3>(mMapperV3, handle);
+    }
+
+    if (mMapperV2 != nullptr) {
+        return importBufferInternal<IMapper, MapperErrorV2>(mMapperV2, handle);
+    }
+
+    ALOGE("%s: mMapperV3 and mMapperV2 are both null!", __FUNCTION__);
+    return false;
+}
+
 void HandleImporter::freeBuffer(buffer_handle_t handle) {
     if (!handle) {
         return;
     }
 
     Mutex::Autolock lock(mLock);
-    if (mMapper == nullptr) {
-        ALOGE("%s: mMapper is null!", __FUNCTION__);
+    if (mMapperV3 == nullptr && mMapperV2 == nullptr) {
+        ALOGE("%s: mMapperV3 and mMapperV2 are both null!", __FUNCTION__);
         return;
     }
 
-    auto ret = mMapper->freeBuffer(const_cast<native_handle_t*>(handle));
-    if (!ret.isOk()) {
-        ALOGE("%s: mapper freeBuffer failed: %s",
-                __FUNCTION__, ret.description().c_str());
+    if (mMapperV3 != nullptr) {
+        auto ret = mMapperV3->freeBuffer(const_cast<native_handle_t*>(handle));
+        if (!ret.isOk()) {
+            ALOGE("%s: mapper freeBuffer failed: %s",
+                    __FUNCTION__, ret.description().c_str());
+        }
+    } else {
+        auto ret = mMapperV2->freeBuffer(const_cast<native_handle_t*>(handle));
+        if (!ret.isOk()) {
+            ALOGE("%s: mapper freeBuffer failed: %s",
+                    __FUNCTION__, ret.description().c_str());
+        }
     }
 }
 
@@ -138,91 +217,82 @@ void* HandleImporter::lock(
         buffer_handle_t& buf, uint64_t cpuUsage, size_t size) {
     Mutex::Autolock lock(mLock);
     void *ret = 0;
-    IMapper::Rect accessRegion { 0, 0, static_cast<int>(size), 1 };
 
     if (!mInitialized) {
         initializeLocked();
     }
 
-    if (mMapper == nullptr) {
-        ALOGE("%s: mMapper is null!", __FUNCTION__);
+    if (mMapperV3 == nullptr && mMapperV2 == nullptr) {
+        ALOGE("%s: mMapperV3 and mMapperV2 are both null!", __FUNCTION__);
         return ret;
     }
 
     hidl_handle acquireFenceHandle;
     auto buffer = const_cast<native_handle_t*>(buf);
-    mMapper->lock(buffer, cpuUsage, accessRegion, acquireFenceHandle,
-            [&](const auto& tmpError, const auto& tmpPtr) {
-                if (tmpError == MapperError::NONE) {
-                    ret = tmpPtr;
-                } else {
-                    ALOGE("%s: failed to lock error %d!",
-                          __FUNCTION__, tmpError);
-                }
-           });
+    if (mMapperV3 != nullptr) {
+        IMapperV3::Rect accessRegion { 0, 0, static_cast<int>(size), 1 };
+        // No need to use bytesPerPixel and bytesPerStride because we are using
+        // an 1-D buffer and accressRegion.
+        mMapperV3->lock(buffer, cpuUsage, accessRegion, acquireFenceHandle,
+                [&](const auto& tmpError, const auto& tmpPtr, const auto& /*bytesPerPixel*/,
+                        const auto& /*bytesPerStride*/) {
+                    if (tmpError == MapperErrorV3::NONE) {
+                        ret = tmpPtr;
+                    } else {
+                        ALOGE("%s: failed to lock error %d!",
+                              __FUNCTION__, tmpError);
+                    }
+               });
+    } else {
+        IMapper::Rect accessRegion { 0, 0, static_cast<int>(size), 1 };
+        mMapperV2->lock(buffer, cpuUsage, accessRegion, acquireFenceHandle,
+                [&](const auto& tmpError, const auto& tmpPtr) {
+                    if (tmpError == MapperErrorV2::NONE) {
+                        ret = tmpPtr;
+                    } else {
+                        ALOGE("%s: failed to lock error %d!",
+                              __FUNCTION__, tmpError);
+                    }
+               });
+    }
 
     ALOGV("%s: ptr %p size: %zu", __FUNCTION__, ret, size);
     return ret;
 }
 
-
 YCbCrLayout HandleImporter::lockYCbCr(
         buffer_handle_t& buf, uint64_t cpuUsage,
         const IMapper::Rect& accessRegion) {
     Mutex::Autolock lock(mLock);
-    YCbCrLayout layout = {};
 
     if (!mInitialized) {
         initializeLocked();
     }
 
-    if (mMapper == nullptr) {
-        ALOGE("%s: mMapper is null!", __FUNCTION__);
-        return layout;
+    if (mMapperV3 != nullptr) {
+        return lockYCbCrInternal<IMapperV3, MapperErrorV3>(
+                mMapperV3, buf, cpuUsage, accessRegion);
     }
 
-    hidl_handle acquireFenceHandle;
-    auto buffer = const_cast<native_handle_t*>(buf);
-    mMapper->lockYCbCr(buffer, cpuUsage, accessRegion, acquireFenceHandle,
-            [&](const auto& tmpError, const auto& tmpLayout) {
-                if (tmpError == MapperError::NONE) {
-                    layout = tmpLayout;
-                } else {
-                    ALOGE("%s: failed to lockYCbCr error %d!", __FUNCTION__, tmpError);
-                }
-           });
+    if (mMapperV2 != nullptr) {
+        return lockYCbCrInternal<IMapper, MapperErrorV2>(
+                mMapperV2, buf, cpuUsage, accessRegion);
+    }
 
-    ALOGV("%s: layout y %p cb %p cr %p y_str %d c_str %d c_step %d",
-            __FUNCTION__, layout.y, layout.cb, layout.cr,
-            layout.yStride, layout.cStride, layout.chromaStep);
-    return layout;
+    ALOGE("%s: mMapperV3 and mMapperV2 are both null!", __FUNCTION__);
+    return {};
 }
 
 int HandleImporter::unlock(buffer_handle_t& buf) {
-    int releaseFence = -1;
-    auto buffer = const_cast<native_handle_t*>(buf);
-    mMapper->unlock(
-        buffer, [&](const auto& tmpError, const auto& tmpReleaseFence) {
-            if (tmpError == MapperError::NONE) {
-                auto fenceHandle = tmpReleaseFence.getNativeHandle();
-                if (fenceHandle) {
-                    if (fenceHandle->numInts != 0 || fenceHandle->numFds != 1) {
-                        ALOGE("%s: bad release fence numInts %d numFds %d",
-                                __FUNCTION__, fenceHandle->numInts, fenceHandle->numFds);
-                        return;
-                    }
-                    releaseFence = dup(fenceHandle->data[0]);
-                    if (releaseFence <= 0) {
-                        ALOGE("%s: bad release fence FD %d",
-                                __FUNCTION__, releaseFence);
-                    }
-                }
-            } else {
-                ALOGE("%s: failed to unlock error %d!", __FUNCTION__, tmpError);
-            }
-        });
+    if (mMapperV3 != nullptr) {
+        return unlockInternal<IMapperV3, MapperErrorV3>(mMapperV3, buf);
+    }
+    if (mMapperV2 != nullptr) {
+        return unlockInternal<IMapper, MapperErrorV2>(mMapperV2, buf);
+    }
 
-    return releaseFence;
+    ALOGE("%s: mMapperV3 and mMapperV2 are both null!", __FUNCTION__);
+    return -1;
 }
 
 } // namespace helper
diff --git a/camera/common/1.0/default/OWNERS b/camera/common/1.0/default/OWNERS
index 18acfee145..f48a95c5b3 100644
--- a/camera/common/1.0/default/OWNERS
+++ b/camera/common/1.0/default/OWNERS
@@ -1,6 +1 @@
-cychen@google.com
-epeev@google.com
-etalvala@google.com
-shuzhenwang@google.com
-yinchiayeh@google.com
-zhijunhe@google.com
+include platform/frameworks/av:/camera/OWNERS
diff --git a/camera/common/1.0/default/VendorTagDescriptor.cpp b/camera/common/1.0/default/VendorTagDescriptor.cpp
index 052bf5be60..d2bee85daf 100644
--- a/camera/common/1.0/default/VendorTagDescriptor.cpp
+++ b/camera/common/1.0/default/VendorTagDescriptor.cpp
@@ -176,6 +176,93 @@ void VendorTagDescriptor::dump(int fd, int verbosity, int indentation) const {
 
 }
 
+int VendorTagDescriptorCache::getTagCount(metadata_vendor_id_t id) const {
+    int ret = 0;
+    auto desc = mVendorMap.find(id);
+    if (desc != mVendorMap.end()) {
+        ret = desc->second->getTagCount();
+    } else {
+        ALOGE("%s: Vendor descriptor id is missing!", __func__);
+    }
+
+    return ret;
+}
+
+void VendorTagDescriptorCache::getTagArray(uint32_t* tagArray, metadata_vendor_id_t id) const {
+    auto desc = mVendorMap.find(id);
+    if (desc != mVendorMap.end()) {
+        desc->second->getTagArray(tagArray);
+    } else {
+        ALOGE("%s: Vendor descriptor id is missing!", __func__);
+    }
+}
+
+const char* VendorTagDescriptorCache::getSectionName(uint32_t tag, metadata_vendor_id_t id) const {
+    const char* ret = nullptr;
+    auto desc = mVendorMap.find(id);
+    if (desc != mVendorMap.end()) {
+        ret = desc->second->getSectionName(tag);
+    } else {
+        ALOGE("%s: Vendor descriptor id is missing!", __func__);
+    }
+
+    return ret;
+}
+
+const char* VendorTagDescriptorCache::getTagName(uint32_t tag, metadata_vendor_id_t id) const {
+    const char* ret = nullptr;
+    auto desc = mVendorMap.find(id);
+    if (desc != mVendorMap.end()) {
+        ret = desc->second->getTagName(tag);
+    } else {
+        ALOGE("%s: Vendor descriptor id is missing!", __func__);
+    }
+
+    return ret;
+}
+
+int VendorTagDescriptorCache::getTagType(uint32_t tag, metadata_vendor_id_t id) const {
+    int ret = 0;
+    auto desc = mVendorMap.find(id);
+    if (desc != mVendorMap.end()) {
+        ret = desc->second->getTagType(tag);
+    } else {
+        ALOGE("%s: Vendor descriptor id is missing!", __func__);
+    }
+
+    return ret;
+}
+
+void VendorTagDescriptorCache::dump(int fd, int verbosity, int indentation) const {
+    for (const auto& desc : mVendorMap) {
+        desc.second->dump(fd, verbosity, indentation);
+    }
+}
+
+int32_t VendorTagDescriptorCache::addVendorDescriptor(
+    metadata_vendor_id_t id, sp<hardware::camera::common::V1_0::helper::VendorTagDescriptor> desc) {
+    auto entry = mVendorMap.find(id);
+    if (entry != mVendorMap.end()) {
+        ALOGE("%s: Vendor descriptor with same id already present!", __func__);
+        return BAD_VALUE;
+    }
+
+    mVendorMap.emplace(id, desc);
+    return NO_ERROR;
+}
+
+int32_t VendorTagDescriptorCache::getVendorTagDescriptor(
+    metadata_vendor_id_t id,
+    sp<hardware::camera::common::V1_0::helper::VendorTagDescriptor>* desc /*out*/) {
+    auto entry = mVendorMap.find(id);
+    if (entry == mVendorMap.end()) {
+        return NAME_NOT_FOUND;
+    }
+
+    *desc = entry->second;
+
+    return NO_ERROR;
+}
 } // namespace params
 } // namespace camera2
 
@@ -192,10 +279,17 @@ static const char* vendor_tag_descriptor_get_section_name(const vendor_tag_ops_t
 static const char* vendor_tag_descriptor_get_tag_name(const vendor_tag_ops_t* v, uint32_t tag);
 static int vendor_tag_descriptor_get_tag_type(const vendor_tag_ops_t* v, uint32_t tag);
 
+static int vendor_tag_descriptor_cache_get_tag_count(metadata_vendor_id_t id);
+static void vendor_tag_descriptor_cache_get_all_tags(uint32_t* tagArray, metadata_vendor_id_t id);
+static const char* vendor_tag_descriptor_cache_get_section_name(uint32_t tag,
+                                                                metadata_vendor_id_t id);
+static const char* vendor_tag_descriptor_cache_get_tag_name(uint32_t tag, metadata_vendor_id_t id);
+static int vendor_tag_descriptor_cache_get_tag_type(uint32_t tag, metadata_vendor_id_t id);
 } /* extern "C" */
 
 static Mutex sLock;
 static sp<VendorTagDescriptor> sGlobalVendorTagDescriptor;
+static sp<VendorTagDescriptorCache> sGlobalVendorTagDescriptorCache;
 
 status_t VendorTagDescriptor::createDescriptorFromOps(const vendor_tag_ops_t* vOps,
             /*out*/
@@ -310,6 +404,39 @@ sp<VendorTagDescriptor> VendorTagDescriptor::getGlobalVendorTagDescriptor() {
     return sGlobalVendorTagDescriptor;
 }
 
+status_t VendorTagDescriptorCache::setAsGlobalVendorTagCache(
+    const sp<VendorTagDescriptorCache>& cache) {
+    status_t res = OK;
+    Mutex::Autolock al(sLock);
+    sGlobalVendorTagDescriptorCache = cache;
+
+    struct vendor_tag_cache_ops* opsPtr = NULL;
+    if (cache != NULL) {
+        opsPtr = &(cache->mVendorCacheOps);
+        opsPtr->get_tag_count = vendor_tag_descriptor_cache_get_tag_count;
+        opsPtr->get_all_tags = vendor_tag_descriptor_cache_get_all_tags;
+        opsPtr->get_section_name = vendor_tag_descriptor_cache_get_section_name;
+        opsPtr->get_tag_name = vendor_tag_descriptor_cache_get_tag_name;
+        opsPtr->get_tag_type = vendor_tag_descriptor_cache_get_tag_type;
+    }
+    if ((res = set_camera_metadata_vendor_cache_ops(opsPtr)) != OK) {
+        ALOGE("%s: Could not set vendor tag cache, received error %s (%d).", __FUNCTION__,
+              strerror(-res), res);
+    }
+    return res;
+}
+
+void VendorTagDescriptorCache::clearGlobalVendorTagCache() {
+    Mutex::Autolock al(sLock);
+    set_camera_metadata_vendor_cache_ops(NULL);
+    sGlobalVendorTagDescriptorCache.clear();
+}
+
+sp<VendorTagDescriptorCache> VendorTagDescriptorCache::getGlobalVendorTagCache() {
+    Mutex::Autolock al(sLock);
+    return sGlobalVendorTagDescriptorCache;
+}
+
 extern "C" {
 
 int vendor_tag_descriptor_get_tag_count(const vendor_tag_ops_t* /*v*/) {
@@ -357,6 +484,50 @@ int vendor_tag_descriptor_get_tag_type(const vendor_tag_ops_t* /*v*/, uint32_t t
     return sGlobalVendorTagDescriptor->getTagType(tag);
 }
 
+int vendor_tag_descriptor_cache_get_tag_count(metadata_vendor_id_t id) {
+    Mutex::Autolock al(sLock);
+    if (sGlobalVendorTagDescriptorCache == NULL) {
+        ALOGE("%s: Vendor tag descriptor cache not initialized.", __FUNCTION__);
+        return VENDOR_TAG_COUNT_ERR;
+    }
+    return sGlobalVendorTagDescriptorCache->getTagCount(id);
+}
+
+void vendor_tag_descriptor_cache_get_all_tags(uint32_t* tagArray, metadata_vendor_id_t id) {
+    Mutex::Autolock al(sLock);
+    if (sGlobalVendorTagDescriptorCache == NULL) {
+        ALOGE("%s: Vendor tag descriptor cache not initialized.", __FUNCTION__);
+    }
+    sGlobalVendorTagDescriptorCache->getTagArray(tagArray, id);
+}
+
+const char* vendor_tag_descriptor_cache_get_section_name(uint32_t tag, metadata_vendor_id_t id) {
+    Mutex::Autolock al(sLock);
+    if (sGlobalVendorTagDescriptorCache == NULL) {
+        ALOGE("%s: Vendor tag descriptor cache not initialized.", __FUNCTION__);
+        return VENDOR_SECTION_NAME_ERR;
+    }
+    return sGlobalVendorTagDescriptorCache->getSectionName(tag, id);
+}
+
+const char* vendor_tag_descriptor_cache_get_tag_name(uint32_t tag, metadata_vendor_id_t id) {
+    Mutex::Autolock al(sLock);
+    if (sGlobalVendorTagDescriptorCache == NULL) {
+        ALOGE("%s: Vendor tag descriptor cache not initialized.", __FUNCTION__);
+        return VENDOR_TAG_NAME_ERR;
+    }
+    return sGlobalVendorTagDescriptorCache->getTagName(tag, id);
+}
+
+int vendor_tag_descriptor_cache_get_tag_type(uint32_t tag, metadata_vendor_id_t id) {
+    Mutex::Autolock al(sLock);
+    if (sGlobalVendorTagDescriptorCache == NULL) {
+        ALOGE("%s: Vendor tag descriptor cache not initialized.", __FUNCTION__);
+        return VENDOR_TAG_NAME_ERR;
+    }
+    return sGlobalVendorTagDescriptorCache->getTagType(tag, id);
+}
+
 } /* extern "C" */
 
 } // namespace helper
diff --git a/camera/common/1.0/default/include/CameraModule.h b/camera/common/1.0/default/include/CameraModule.h
index deebd09480..c89e934655 100644
--- a/camera/common/1.0/default/include/CameraModule.h
+++ b/camera/common/1.0/default/include/CameraModule.h
@@ -17,6 +17,9 @@
 #ifndef CAMERA_COMMON_1_0_CAMERAMODULE_H
 #define CAMERA_COMMON_1_0_CAMERAMODULE_H
 
+#include <string>
+#include <unordered_set>
+
 #include <hardware/camera.h>
 #include <utils/Mutex.h>
 #include <utils/KeyedVector.h>
@@ -65,6 +68,13 @@ public:
     void *getDso();
     // Only used by CameraProvider
     void removeCamera(int cameraId);
+    int getPhysicalCameraInfo(int physicalCameraId, camera_metadata_t **physicalInfo);
+    int isStreamCombinationSupported(int cameraId, camera_stream_combination_t *streams);
+    void notifyDeviceStateChange(uint64_t deviceState);
+
+    static bool isLogicalMultiCamera(
+            const common::V1_0::helper::CameraMetadata& metadata,
+            std::unordered_set<std::string>* physicalCameraIds);
 
 private:
     // Derive camera characteristics keys defined after HAL device version
@@ -74,8 +84,10 @@ private:
             int32_t keyTag, const Vector<int32_t>& appendKeys);
     status_t filterOpenErrorCode(status_t err);
     camera_module_t *mModule;
+    int mNumberOfCameras;
     KeyedVector<int, camera_info> mCameraInfoMap;
     KeyedVector<int, int> mDeviceVersionMap;
+    KeyedVector<int, camera_metadata_t*> mPhysicalCameraInfoMap;
     Mutex mCameraInfoLock;
 };
 
diff --git a/camera/common/1.0/default/include/HandleImporter.h b/camera/common/1.0/default/include/HandleImporter.h
index f9cd9fb604..a93d4554ad 100644
--- a/camera/common/1.0/default/include/HandleImporter.h
+++ b/camera/common/1.0/default/include/HandleImporter.h
@@ -19,6 +19,7 @@
 
 #include <utils/Mutex.h>
 #include <android/hardware/graphics/mapper/2.0/IMapper.h>
+#include <android/hardware/graphics/mapper/3.0/IMapper.h>
 #include <cutils/native_handle.h>
 
 using android::hardware::graphics::mapper::V2_0::IMapper;
@@ -57,10 +58,18 @@ private:
     void initializeLocked();
     void cleanup();
 
+    template<class M, class E>
+    bool importBufferInternal(const sp<M> mapper, buffer_handle_t& handle);
+    template<class M, class E>
+    YCbCrLayout lockYCbCrInternal(const sp<M> mapper, buffer_handle_t& buf, uint64_t cpuUsage,
+            const IMapper::Rect& accessRegion);
+    template<class M, class E>
+    int unlockInternal(const sp<M> mapper, buffer_handle_t& buf);
+
     Mutex mLock;
     bool mInitialized;
-    sp<IMapper> mMapper;
-
+    sp<IMapper> mMapperV2;
+    sp<graphics::mapper::V3_0::IMapper> mMapperV3;
 };
 
 } // namespace helper
diff --git a/camera/common/1.0/default/include/VendorTagDescriptor.h b/camera/common/1.0/default/include/VendorTagDescriptor.h
index a040540edb..0f54db52d1 100644
--- a/camera/common/1.0/default/include/VendorTagDescriptor.h
+++ b/camera/common/1.0/default/include/VendorTagDescriptor.h
@@ -157,6 +157,81 @@ class VendorTagDescriptor :
 
 };
 
+} /* namespace helper */
+} /* namespace V1_0 */
+} /* namespace common */
+} /* namespace camera */
+
+namespace camera2 {
+namespace params {
+
+class VendorTagDescriptorCache {
+   public:
+    typedef android::hardware::camera::common::V1_0::helper::VendorTagDescriptor
+        VendorTagDescriptor;
+    VendorTagDescriptorCache(){};
+    int32_t addVendorDescriptor(metadata_vendor_id_t id, sp<VendorTagDescriptor> desc);
+
+    int32_t getVendorTagDescriptor(metadata_vendor_id_t id, sp<VendorTagDescriptor>* desc /*out*/);
+
+    // Returns the number of vendor tags defined.
+    int getTagCount(metadata_vendor_id_t id) const;
+
+    // Returns an array containing the id's of vendor tags defined.
+    void getTagArray(uint32_t* tagArray, metadata_vendor_id_t id) const;
+
+    // Returns the section name string for a given vendor tag id.
+    const char* getSectionName(uint32_t tag, metadata_vendor_id_t id) const;
+
+    // Returns the tag name string for a given vendor tag id.
+    const char* getTagName(uint32_t tag, metadata_vendor_id_t id) const;
+
+    // Returns the tag type for a given vendor tag id.
+    int getTagType(uint32_t tag, metadata_vendor_id_t id) const;
+
+    /**
+     * Dump the currently configured vendor tags to a file descriptor.
+     */
+    void dump(int fd, int verbosity, int indentation) const;
+
+   protected:
+    std::unordered_map<metadata_vendor_id_t, sp<VendorTagDescriptor>> mVendorMap;
+    struct vendor_tag_cache_ops mVendorCacheOps;
+};
+
+} /* namespace params */
+} /* namespace camera2 */
+
+namespace camera {
+namespace common {
+namespace V1_0 {
+namespace helper {
+
+class VendorTagDescriptorCache
+    : public ::android::hardware::camera2::params::VendorTagDescriptorCache,
+      public LightRefBase<VendorTagDescriptorCache> {
+   public:
+    /**
+     * Sets the global vendor tag descriptor cache to use for this process.
+     * Camera metadata operations that access vendor tags will use the
+     * vendor tag definitions set this way.
+     *
+     * Returns OK on success, or a negative error code.
+     */
+    static status_t setAsGlobalVendorTagCache(const sp<VendorTagDescriptorCache>& cache);
+
+    /**
+     * Returns the global vendor tag cache used by this process.
+     * This will contain NULL if no vendor tags are defined.
+     */
+    static sp<VendorTagDescriptorCache> getGlobalVendorTagCache();
+
+    /**
+     * Clears the global vendor tag cache used by this process.
+     */
+    static void clearGlobalVendorTagCache();
+};
+
 } // namespace helper
 } // namespace V1_0
 } // namespace common