Camera: Add support for stream combination query

Support runtime "SessionConfiguration" queries by camera
clients.

Bug: 111593096
Test: adb shell /data/nativetest64/camera_client_test/camera_client_test
--gtest_filter=CameraClientBinderTest.CheckBinderCameraDeviceUser,
Camera CTS
Change-Id: I1505e7bccdce468490b46ad4546e459354a4cda3
diff --git a/camera/Android.bp b/camera/Android.bp
index 24b3918..21588d4 100644
--- a/camera/Android.bp
+++ b/camera/Android.bp
@@ -43,6 +43,7 @@
         "ICameraRecordingProxyListener.cpp",
         "camera2/CaptureRequest.cpp",
         "camera2/OutputConfiguration.cpp",
+        "camera2/SessionConfiguration.cpp",
         "camera2/SubmitInfo.cpp",
         "CameraBase.cpp",
         "CameraUtils.cpp",
diff --git a/camera/aidl/android/hardware/camera2/ICameraDeviceUser.aidl b/camera/aidl/android/hardware/camera2/ICameraDeviceUser.aidl
index 4ced08c..49dfde8 100644
--- a/camera/aidl/android/hardware/camera2/ICameraDeviceUser.aidl
+++ b/camera/aidl/android/hardware/camera2/ICameraDeviceUser.aidl
@@ -19,6 +19,7 @@
 import android.hardware.camera2.CaptureRequest;
 import android.hardware.camera2.impl.CameraMetadataNative;
 import android.hardware.camera2.params.OutputConfiguration;
+import android.hardware.camera2.params.SessionConfiguration;
 import android.hardware.camera2.utils.SubmitInfo;
 import android.view.Surface;
 
@@ -83,6 +84,16 @@
      */
     void endConfigure(int operatingMode, in CameraMetadataNative sessionParams);
 
+    /**
+      * Check whether a particular session configuration has camera device
+      * support.
+      *
+      * @param sessionConfiguration Specific session configuration to be verified.
+      * @return true  - in case the stream combination is supported.
+      *         false - in case there is no device support.
+      */
+    boolean isSessionConfigurationSupported(in SessionConfiguration sessionConfiguration);
+
     void deleteStream(int streamId);
 
     /**
diff --git a/camera/aidl/android/hardware/camera2/params/SessionConfiguration.aidl b/camera/aidl/android/hardware/camera2/params/SessionConfiguration.aidl
new file mode 100644
index 0000000..abf1556
--- /dev/null
+++ b/camera/aidl/android/hardware/camera2/params/SessionConfiguration.aidl
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.camera2.params;
+
+/** @hide */
+parcelable SessionConfiguration cpp_header "camera/camera2/SessionConfiguration.h";
diff --git a/camera/camera2/SessionConfiguration.cpp b/camera/camera2/SessionConfiguration.cpp
new file mode 100644
index 0000000..a431a33
--- /dev/null
+++ b/camera/camera2/SessionConfiguration.cpp
@@ -0,0 +1,133 @@
+/*
+**
+** Copyright 2018, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+**     http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+#define LOG_TAG "SessionConfiguration"
+//#define LOG_NDEBUG 0
+
+#include <utils/Log.h>
+
+#include <camera/camera2/SessionConfiguration.h>
+#include <camera/camera2/OutputConfiguration.h>
+#include <binder/Parcel.h>
+
+namespace android {
+
+status_t SessionConfiguration::readFromParcel(const android::Parcel* parcel) {
+    status_t err = OK;
+    int operatingMode = 0;
+
+    if (parcel == nullptr) return BAD_VALUE;
+
+    if ((err = parcel->readInt32(&operatingMode)) != OK) {
+        ALOGE("%s: Failed to read operating mode from parcel", __FUNCTION__);
+        return err;
+    }
+
+    int inputWidth = 0;
+    if ((err = parcel->readInt32(&inputWidth)) != OK) {
+        ALOGE("%s: Failed to read input width from parcel", __FUNCTION__);
+        return err;
+    }
+
+    int inputHeight = 0;
+    if ((err = parcel->readInt32(&inputHeight)) != OK) {
+        ALOGE("%s: Failed to read input height from parcel", __FUNCTION__);
+        return err;
+    }
+
+    int inputFormat = -1;
+    if ((err = parcel->readInt32(&inputFormat)) != OK) {
+        ALOGE("%s: Failed to read input format from parcel", __FUNCTION__);
+        return err;
+    }
+
+    std::vector<OutputConfiguration> outputStreams;
+    if ((err = parcel->readParcelableVector(&outputStreams)) != OK) {
+        ALOGE("%s: Failed to read output configurations from parcel", __FUNCTION__);
+        return err;
+    }
+
+    mOperatingMode = operatingMode;
+    mInputWidth = inputWidth;
+    mInputHeight = inputHeight;
+    mInputFormat = inputFormat;
+    for (auto& stream : outputStreams) {
+        mOutputStreams.push_back(stream);
+    }
+
+
+    return err;
+}
+
+status_t SessionConfiguration::writeToParcel(android::Parcel* parcel) const {
+
+    if (parcel == nullptr) return BAD_VALUE;
+    status_t err = OK;
+
+    err = parcel->writeInt32(mOperatingMode);
+    if (err != OK) return err;
+
+    err = parcel->writeInt32(mInputWidth);
+    if (err != OK) return err;
+
+    err = parcel->writeInt32(mInputHeight);
+    if (err != OK) return err;
+
+    err = parcel->writeInt32(mInputFormat);
+    if (err != OK) return err;
+
+    err = parcel->writeParcelableVector(mOutputStreams);
+    if (err != OK) return err;
+
+    return OK;
+}
+
+bool SessionConfiguration::outputsEqual(const SessionConfiguration& other) const {
+    const std::vector<OutputConfiguration>& otherOutputStreams =
+            other.getOutputConfigurations();
+
+    if (mOutputStreams.size() !=  otherOutputStreams.size()) {
+        return false;
+    }
+
+    for (size_t i = 0; i < mOutputStreams.size(); i++) {
+        if (mOutputStreams[i] != otherOutputStreams[i]) {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool SessionConfiguration::outputsLessThan(const SessionConfiguration& other) const {
+    const std::vector<OutputConfiguration>& otherOutputStreams =
+            other.getOutputConfigurations();
+
+    if (mOutputStreams.size() !=  otherOutputStreams.size()) {
+        return mOutputStreams.size() < otherOutputStreams.size();
+    }
+
+    for (size_t i = 0; i < mOutputStreams.size(); i++) {
+        if (mOutputStreams[i] != otherOutputStreams[i]) {
+            return mOutputStreams[i] < otherOutputStreams[i];
+        }
+    }
+
+    return false;
+}
+
+}; // namespace android
diff --git a/camera/cameraserver/Android.bp b/camera/cameraserver/Android.bp
index ef6930c..b88a2c5 100644
--- a/camera/cameraserver/Android.bp
+++ b/camera/cameraserver/Android.bp
@@ -29,6 +29,7 @@
         "android.hardware.camera.provider@2.4",
         "android.hardware.camera.device@1.0",
         "android.hardware.camera.device@3.2",
+        "android.hardware.camera.device@3.4",
     ],
     compile_multilib: "32",
     cflags: [
diff --git a/camera/include/camera/camera2/SessionConfiguration.h b/camera/include/camera/camera2/SessionConfiguration.h
new file mode 100644
index 0000000..64288ed
--- /dev/null
+++ b/camera/include/camera/camera2/SessionConfiguration.h
@@ -0,0 +1,116 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HARDWARE_CAMERA2_SESSIONCONFIGURATION_H
+#define ANDROID_HARDWARE_CAMERA2_SESSIONCONFIGURATION_H
+
+#include <binder/Parcelable.h>
+
+namespace android {
+
+namespace hardware {
+namespace camera2 {
+namespace params {
+
+class OutputConfiguration;
+
+class SessionConfiguration : public android::Parcelable {
+public:
+
+    const std::vector<OutputConfiguration>& getOutputConfigurations() const {
+        return mOutputStreams;
+    }
+
+    int getInputWidth() const { return mInputWidth; }
+    int getInputHeight() const { return mInputHeight; }
+    int getInputFormat() const { return mInputFormat; }
+    int getOperatingMode() const { return mOperatingMode; }
+
+    virtual status_t writeToParcel(android::Parcel* parcel) const override;
+    virtual status_t readFromParcel(const android::Parcel* parcel) override;
+
+    SessionConfiguration() :
+            mInputWidth(0),
+            mInputHeight(0),
+            mInputFormat(-1),
+            mOperatingMode(-1) {}
+
+    SessionConfiguration(const android::Parcel& parcel) {
+        readFromParcel(&parcel);
+    }
+
+    SessionConfiguration(int inputWidth, int inputHeight, int inputFormat, int operatingMode) :
+        mInputWidth(inputWidth), mInputHeight(inputHeight), mInputFormat(inputFormat),
+        mOperatingMode(operatingMode) {}
+
+    bool operator == (const SessionConfiguration& other) const {
+        return (outputsEqual(other) &&
+                mInputWidth == other.mInputWidth &&
+                mInputHeight == other.mInputHeight &&
+                mInputFormat == other.mInputFormat &&
+                mOperatingMode == other.mOperatingMode);
+    }
+
+    bool operator != (const SessionConfiguration& other) const {
+        return !(*this == other);
+    }
+
+    bool operator < (const SessionConfiguration& other) const {
+        if (*this == other) return false;
+
+        if (mInputWidth != other.mInputWidth) {
+            return mInputWidth < other.mInputWidth;
+        }
+
+        if (mInputHeight != other.mInputHeight) {
+            return mInputHeight < other.mInputHeight;
+        }
+
+        if (mInputFormat != other.mInputFormat) {
+            return mInputFormat < other.mInputFormat;
+        }
+
+        if (mOperatingMode != other.mOperatingMode) {
+            return mOperatingMode < other.mOperatingMode;
+        }
+
+        return outputsLessThan(other);
+    }
+
+    bool operator > (const SessionConfiguration& other) const {
+        return (*this != other && !(*this < other));
+    }
+
+    bool outputsEqual(const SessionConfiguration& other) const;
+    bool outputsLessThan(const SessionConfiguration& other) const;
+    void addOutputConfiguration(const OutputConfiguration &config) {
+        mOutputStreams.push_back(config);
+    }
+
+private:
+
+    std::vector<OutputConfiguration> mOutputStreams;
+    int                              mInputWidth, mInputHeight, mInputFormat, mOperatingMode;
+};
+} // namespace params
+} // namespace camera2
+} // namespace hardware
+
+using hardware::camera2::params::SessionConfiguration;
+
+}; // namespace android
+
+#endif
diff --git a/camera/tests/CameraBinderTests.cpp b/camera/tests/CameraBinderTests.cpp
index 1de7013..fa8a7a3 100644
--- a/camera/tests/CameraBinderTests.cpp
+++ b/camera/tests/CameraBinderTests.cpp
@@ -29,6 +29,7 @@
 #include <utils/Condition.h>
 #include <utils/Mutex.h>
 #include <system/graphics.h>
+#include <hardware/camera3.h>
 #include <hardware/gralloc.h>
 
 #include <camera/CameraMetadata.h>
@@ -40,6 +41,7 @@
 #include <android/hardware/camera2/BnCameraDeviceCallbacks.h>
 #include <camera/camera2/CaptureRequest.h>
 #include <camera/camera2/OutputConfiguration.h>
+#include <camera/camera2/SessionConfiguration.h>
 #include <camera/camera2/SubmitInfo.h>
 
 #include <gui/BufferItemConsumer.h>
@@ -55,6 +57,8 @@
 #include <algorithm>
 
 using namespace android;
+using ::android::hardware::ICameraServiceDefault;
+using ::android::hardware::camera2::ICameraDeviceUser;
 
 #define ASSERT_NOT_NULL(x) \
     ASSERT_TRUE((x) != nullptr)
@@ -490,6 +494,19 @@
         EXPECT_TRUE(res.isOk()) << res;
         EXPECT_FALSE(callbacks->hadError());
 
+        // Session configuration must also be supported in this case
+        SessionConfiguration sessionConfiguration = { /*inputWidth*/ 0, /*inputHeight*/0,
+                /*inputFormat*/ -1, CAMERA3_STREAM_CONFIGURATION_NORMAL_MODE};
+        sessionConfiguration.addOutputConfiguration(output);
+        bool queryStatus;
+        res = device->isSessionConfigurationSupported(sessionConfiguration, &queryStatus);
+        EXPECT_TRUE(res.isOk() ||
+                (res.serviceSpecificErrorCode() == ICameraServiceDefault::ERROR_INVALID_OPERATION))
+                << res;
+        if (res.isOk()) {
+            EXPECT_TRUE(queryStatus);
+        }
+
         // Can we make requests?
         CameraMetadata requestTemplate;
         res = device->createDefaultRequest(/*preview template*/1,
diff --git a/services/camera/libcameraservice/api2/CameraDeviceClient.cpp b/services/camera/libcameraservice/api2/CameraDeviceClient.cpp
index 6da05c3..c1a4c11 100644
--- a/services/camera/libcameraservice/api2/CameraDeviceClient.cpp
+++ b/services/camera/libcameraservice/api2/CameraDeviceClient.cpp
@@ -27,6 +27,8 @@
 #include <camera/CameraUtils.h>
 
 #include "common/CameraDeviceBase.h"
+#include "device3/Camera3Device.h"
+#include "device3/Camera3OutputStream.h"
 #include "api2/CameraDeviceClient.h"
 
 #include <camera_metadata_hidden.h>
@@ -471,6 +473,68 @@
         return STATUS_ERROR(CameraService::ERROR_DISCONNECTED, "Camera device no longer alive");
     }
 
+    res = checkOperatingModeLocked(operatingMode);
+    if (!res.isOk()) {
+        return res;
+    }
+
+    status_t err = mDevice->configureStreams(sessionParams, operatingMode);
+    if (err == BAD_VALUE) {
+        String8 msg = String8::format("Camera %s: Unsupported set of inputs/outputs provided",
+                mCameraIdStr.string());
+        ALOGE("%s: %s", __FUNCTION__, msg.string());
+        res = STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
+    } else if (err != OK) {
+        String8 msg = String8::format("Camera %s: Error configuring streams: %s (%d)",
+                mCameraIdStr.string(), strerror(-err), err);
+        ALOGE("%s: %s", __FUNCTION__, msg.string());
+        res = STATUS_ERROR(CameraService::ERROR_INVALID_OPERATION, msg.string());
+    }
+
+    return res;
+}
+
+binder::Status CameraDeviceClient::checkSurfaceTypeLocked(size_t numBufferProducers,
+        bool deferredConsumer, int surfaceType) const {
+    if (numBufferProducers > MAX_SURFACES_PER_STREAM) {
+        ALOGE("%s: GraphicBufferProducer count %zu for stream exceeds limit of %d",
+                __FUNCTION__, numBufferProducers, MAX_SURFACES_PER_STREAM);
+        return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, "Surface count is too high");
+    } else if ((numBufferProducers == 0) && (!deferredConsumer)) {
+        ALOGE("%s: Number of consumers cannot be smaller than 1", __FUNCTION__);
+        return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, "No valid consumers.");
+    }
+
+    bool validSurfaceType = ((surfaceType == OutputConfiguration::SURFACE_TYPE_SURFACE_VIEW) ||
+            (surfaceType == OutputConfiguration::SURFACE_TYPE_SURFACE_TEXTURE));
+
+    if (deferredConsumer && !validSurfaceType) {
+        ALOGE("%s: Target surface has invalid surfaceType = %d.", __FUNCTION__, surfaceType);
+        return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, "Target Surface is invalid");
+    }
+
+    return binder::Status::ok();
+}
+
+binder::Status CameraDeviceClient::checkPhysicalCameraIdLocked(String8 physicalCameraId) {
+    if (physicalCameraId.size() > 0) {
+        std::vector<std::string> physicalCameraIds;
+        bool logicalCamera =
+            mProviderManager->isLogicalCamera(mCameraIdStr.string(), &physicalCameraIds);
+        if (!logicalCamera ||
+                std::find(physicalCameraIds.begin(), physicalCameraIds.end(),
+                    physicalCameraId.string()) == physicalCameraIds.end()) {
+            String8 msg = String8::format("Camera %s: Camera doesn't support physicalCameraId %s.",
+                    mCameraIdStr.string(), physicalCameraId.string());
+            ALOGE("%s: %s", __FUNCTION__, msg.string());
+            return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
+        }
+    }
+
+    return binder::Status::ok();
+}
+
+binder::Status CameraDeviceClient::checkOperatingModeLocked(int operatingMode) const {
     if (operatingMode < 0) {
         String8 msg = String8::format(
             "Camera %s: Invalid operating mode %d requested", mCameraIdStr.string(), operatingMode);
@@ -479,7 +543,6 @@
                 msg.string());
     }
 
-    // Sanitize the high speed session against necessary capability bit.
     bool isConstrainedHighSpeed = (operatingMode == ICameraDeviceUser::CONSTRAINED_HIGH_SPEED_MODE);
     if (isConstrainedHighSpeed) {
         CameraMetadata staticInfo = mDevice->info();
@@ -502,17 +565,163 @@
         }
     }
 
-    status_t err = mDevice->configureStreams(sessionParams, operatingMode);
-    if (err == BAD_VALUE) {
-        String8 msg = String8::format("Camera %s: Unsupported set of inputs/outputs provided",
-                mCameraIdStr.string());
+    return binder::Status::ok();
+}
+
+void CameraDeviceClient::mapStreamInfo(const OutputStreamInfo &streamInfo,
+            camera3_stream_rotation_t rotation, String8 physicalId,
+            hardware::camera::device::V3_4::Stream *stream /*out*/) {
+    if (stream == nullptr) {
+        return;
+    }
+
+    stream->v3_2.streamType = hardware::camera::device::V3_2::StreamType::OUTPUT;
+    stream->v3_2.width = streamInfo.width;
+    stream->v3_2.height = streamInfo.height;
+    stream->v3_2.format = Camera3Device::mapToPixelFormat(streamInfo.format);
+    auto u = streamInfo.consumerUsage;
+    camera3::Camera3OutputStream::applyZSLUsageQuirk(streamInfo.format, &u);
+    stream->v3_2.usage = Camera3Device::mapToConsumerUsage(u);
+    stream->v3_2.dataSpace = Camera3Device::mapToHidlDataspace(streamInfo.dataSpace);
+    stream->v3_2.rotation = Camera3Device::mapToStreamRotation(rotation);
+    stream->physicalCameraId = std::string(physicalId.string());
+    stream->bufferSize = 0;
+}
+
+binder::Status CameraDeviceClient::isSessionConfigurationSupported(
+        const SessionConfiguration& sessionConfiguration, bool *status /*out*/) {
+    ATRACE_CALL();
+
+    binder::Status res;
+    if (!(res = checkPidStatus(__FUNCTION__)).isOk()) return res;
+
+    Mutex::Autolock icl(mBinderSerializationLock);
+
+    if (!mDevice.get()) {
+        return STATUS_ERROR(CameraService::ERROR_DISCONNECTED, "Camera device no longer alive");
+    }
+
+    auto operatingMode = sessionConfiguration.getOperatingMode();
+    res = checkOperatingModeLocked(operatingMode);
+    if (!res.isOk()) {
+        return res;
+    }
+
+    if (status == nullptr) {
+        String8 msg = String8::format( "Camera %s: Invalid status!", mCameraIdStr.string());
         ALOGE("%s: %s", __FUNCTION__, msg.string());
-        res = STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
-    } else if (err != OK) {
-        String8 msg = String8::format("Camera %s: Error configuring streams: %s (%d)",
-                mCameraIdStr.string(), strerror(-err), err);
+        return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
+    }
+
+    hardware::camera::device::V3_4::StreamConfiguration streamConfiguration;
+    auto ret = Camera3Device::mapToStreamConfigurationMode(
+            static_cast<camera3_stream_configuration_mode_t> (operatingMode),
+            /*out*/ &streamConfiguration.operationMode);
+    if (ret != OK) {
+        String8 msg = String8::format(
+            "Camera %s: Failed mapping operating mode %d requested: %s (%d)", mCameraIdStr.string(),
+            operatingMode, strerror(-ret), ret);
         ALOGE("%s: %s", __FUNCTION__, msg.string());
-        res = STATUS_ERROR(CameraService::ERROR_INVALID_OPERATION, msg.string());
+        return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT,
+                msg.string());
+    }
+
+    bool isInputValid = (sessionConfiguration.getInputWidth() > 0) &&
+            (sessionConfiguration.getInputHeight() > 0) &&
+            (sessionConfiguration.getInputFormat() > 0);
+    auto outputConfigs = sessionConfiguration.getOutputConfigurations();
+    size_t streamCount = outputConfigs.size();
+    streamCount = isInputValid ? streamCount + 1 : streamCount;
+    streamConfiguration.streams.resize(streamCount);
+    size_t streamIdx = 0;
+    if (isInputValid) {
+        streamConfiguration.streams[streamIdx++] = {{/*streamId*/0,
+                hardware::camera::device::V3_2::StreamType::INPUT,
+                static_cast<uint32_t> (sessionConfiguration.getInputWidth()),
+                static_cast<uint32_t> (sessionConfiguration.getInputHeight()),
+                Camera3Device::mapToPixelFormat(sessionConfiguration.getInputFormat()),
+                /*usage*/ 0, HAL_DATASPACE_UNKNOWN,
+                hardware::camera::device::V3_2::StreamRotation::ROTATION_0},
+                /*physicalId*/ nullptr, /*bufferSize*/0};
+    }
+
+    for (const auto &it : outputConfigs) {
+        const std::vector<sp<IGraphicBufferProducer>>& bufferProducers =
+            it.getGraphicBufferProducers();
+        bool deferredConsumer = it.isDeferred();
+        String8 physicalCameraId = String8(it.getPhysicalCameraId());
+        size_t numBufferProducers = bufferProducers.size();
+        bool isStreamInfoValid = false;
+        OutputStreamInfo streamInfo;
+
+        res = checkSurfaceTypeLocked(numBufferProducers, deferredConsumer, it.getSurfaceType());
+        if (!res.isOk()) {
+            return res;
+        }
+
+        res = checkPhysicalCameraIdLocked(physicalCameraId);
+        if (!res.isOk()) {
+            return res;
+        }
+
+        if (deferredConsumer) {
+            streamInfo.width = it.getWidth();
+            streamInfo.height = it.getHeight();
+            streamInfo.format = HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED;
+            streamInfo.dataSpace = android_dataspace_t::HAL_DATASPACE_UNKNOWN;
+            auto surfaceType = it.getSurfaceType();
+            streamInfo.consumerUsage = GraphicBuffer::USAGE_HW_TEXTURE;
+            if (surfaceType == OutputConfiguration::SURFACE_TYPE_SURFACE_VIEW) {
+                streamInfo.consumerUsage |= GraphicBuffer::USAGE_HW_COMPOSER;
+            }
+            mapStreamInfo(streamInfo, CAMERA3_STREAM_ROTATION_0, physicalCameraId,
+                    &streamConfiguration.streams[streamIdx++]);
+            isStreamInfoValid = true;
+
+            if (numBufferProducers == 0) {
+                continue;
+            }
+        }
+
+        for (auto& bufferProducer : bufferProducers) {
+            sp<Surface> surface;
+            res = createSurfaceFromGbp(streamInfo, isStreamInfoValid, surface, bufferProducer,
+                    physicalCameraId);
+
+            if (!res.isOk())
+                return res;
+
+            if (!isStreamInfoValid) {
+                mapStreamInfo(streamInfo, static_cast<camera3_stream_rotation_t> (it.getRotation()),
+                        physicalCameraId, &streamConfiguration.streams[streamIdx++]);
+                isStreamInfoValid = true;
+            }
+        }
+    }
+
+    *status = false;
+    ret = mProviderManager->isSessionConfigurationSupported(mCameraIdStr.string(),
+            streamConfiguration, status);
+    switch (ret) {
+        case OK:
+            // Expected, do nothing.
+            break;
+        case INVALID_OPERATION: {
+                String8 msg = String8::format(
+                        "Camera %s: Session configuration query not supported!",
+                        mCameraIdStr.string());
+                ALOGD("%s: %s", __FUNCTION__, msg.string());
+                res = STATUS_ERROR(CameraService::ERROR_INVALID_OPERATION, msg.string());
+            }
+
+            break;
+        default: {
+                String8 msg = String8::format( "Camera %s: Error: %s (%d)", mCameraIdStr.string(),
+                        strerror(-ret), ret);
+                ALOGE("%s: %s", __FUNCTION__, msg.string());
+                res = STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT,
+                        msg.string());
+            }
     }
 
     return res;
@@ -605,40 +814,23 @@
     bool deferredConsumer = outputConfiguration.isDeferred();
     bool isShared = outputConfiguration.isShared();
     String8 physicalCameraId = String8(outputConfiguration.getPhysicalCameraId());
-
-    if (numBufferProducers > MAX_SURFACES_PER_STREAM) {
-        ALOGE("%s: GraphicBufferProducer count %zu for stream exceeds limit of %d",
-              __FUNCTION__, bufferProducers.size(), MAX_SURFACES_PER_STREAM);
-        return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, "Surface count is too high");
-    }
     bool deferredConsumerOnly = deferredConsumer && numBufferProducers == 0;
-    int surfaceType = outputConfiguration.getSurfaceType();
-    bool validSurfaceType = ((surfaceType == OutputConfiguration::SURFACE_TYPE_SURFACE_VIEW) ||
-            (surfaceType == OutputConfiguration::SURFACE_TYPE_SURFACE_TEXTURE));
 
-    if (deferredConsumer && !validSurfaceType) {
-        ALOGE("%s: Target surface is invalid: bufferProducer = %p, surfaceType = %d.",
-                __FUNCTION__, bufferProducers[0].get(), surfaceType);
-        return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, "Target Surface is invalid");
+    res = checkSurfaceTypeLocked(numBufferProducers, deferredConsumer,
+            outputConfiguration.getSurfaceType());
+    if (!res.isOk()) {
+        return res;
     }
 
     if (!mDevice.get()) {
         return STATUS_ERROR(CameraService::ERROR_DISCONNECTED, "Camera device no longer alive");
     }
 
-    if (physicalCameraId.size() > 0) {
-        std::vector<std::string> physicalCameraIds;
-        bool logicalCamera =
-                mProviderManager->isLogicalCamera(mCameraIdStr.string(), &physicalCameraIds);
-        if (!logicalCamera ||
-                std::find(physicalCameraIds.begin(), physicalCameraIds.end(),
-                physicalCameraId.string()) == physicalCameraIds.end()) {
-            String8 msg = String8::format("Camera %s: Camera doesn't support physicalCameraId %s.",
-                    mCameraIdStr.string(), physicalCameraId.string());
-            ALOGE("%s: %s", __FUNCTION__, msg.string());
-            return STATUS_ERROR(CameraService::ERROR_ILLEGAL_ARGUMENT, msg.string());
-        }
+    res = checkPhysicalCameraIdLocked(physicalCameraId);
+    if (!res.isOk()) {
+        return res;
     }
+
     std::vector<sp<Surface>> surfaces;
     std::vector<sp<IBinder>> binders;
     status_t err;
diff --git a/services/camera/libcameraservice/api2/CameraDeviceClient.h b/services/camera/libcameraservice/api2/CameraDeviceClient.h
index 09ce977..17a0983 100644
--- a/services/camera/libcameraservice/api2/CameraDeviceClient.h
+++ b/services/camera/libcameraservice/api2/CameraDeviceClient.h
@@ -20,6 +20,7 @@
 #include <android/hardware/camera2/BnCameraDeviceUser.h>
 #include <android/hardware/camera2/ICameraDeviceCallbacks.h>
 #include <camera/camera2/OutputConfiguration.h>
+#include <camera/camera2/SessionConfiguration.h>
 #include <camera/camera2/SubmitInfo.h>
 
 #include "CameraService.h"
@@ -89,6 +90,12 @@
     virtual binder::Status endConfigure(int operatingMode,
             const hardware::camera2::impl::CameraMetadataNative& sessionParams) override;
 
+    // Verify specific session configuration.
+    virtual binder::Status isSessionConfigurationSupported(
+            const SessionConfiguration& sessionConfiguration,
+            /*out*/
+            bool* streamStatus) override;
+
     // Returns -EBUSY if device is not idle or in error state
     virtual binder::Status deleteStream(int streamId) override;
 
@@ -230,6 +237,13 @@
 
     /** Utility members */
     binder::Status checkPidStatus(const char* checkLocation);
+    binder::Status checkOperatingModeLocked(int operatingMode) const;
+    binder::Status checkPhysicalCameraIdLocked(String8 physicalCameraId);
+    binder::Status checkSurfaceTypeLocked(size_t numBufferProducers, bool deferredConsumer,
+            int surfaceType) const;
+    static void mapStreamInfo(const OutputStreamInfo &streamInfo,
+            camera3_stream_rotation_t rotation, String8 physicalId,
+            hardware::camera::device::V3_4::Stream *stream /*out*/);
     bool enforceRequestPermissions(CameraMetadata& metadata);
 
     // Find the square of the euclidean distance between two points
@@ -300,7 +314,7 @@
     // stream ID -> outputStreamInfo mapping
     std::unordered_map<int32_t, OutputStreamInfo> mStreamInfoMap;
 
-    static const int32_t MAX_SURFACES_PER_STREAM = 2;
+    static const int32_t MAX_SURFACES_PER_STREAM = 4;
     sp<CameraProviderManager> mProviderManager;
 };
 
diff --git a/services/camera/libcameraservice/common/CameraProviderManager.cpp b/services/camera/libcameraservice/common/CameraProviderManager.cpp
index 2542ab2..a82f0f7 100644
--- a/services/camera/libcameraservice/common/CameraProviderManager.cpp
+++ b/services/camera/libcameraservice/common/CameraProviderManager.cpp
@@ -177,6 +177,19 @@
     return deviceInfo->getCameraInfo(info);
 }
 
+status_t CameraProviderManager::isSessionConfigurationSupported(const std::string& id,
+        const hardware::camera::device::V3_4::StreamConfiguration &configuration,
+        bool *status /*out*/) const {
+    std::lock_guard<std::mutex> lock(mInterfaceMutex);
+
+    auto deviceInfo = findDeviceInfoLocked(id);
+    if (deviceInfo == nullptr) {
+        return NAME_NOT_FOUND;
+    }
+
+    return deviceInfo->isSessionConfigurationSupported(configuration, status);
+}
+
 status_t CameraProviderManager::getCameraCharacteristics(const std::string &id,
         CameraMetadata* characteristics) const {
     std::lock_guard<std::mutex> lock(mInterfaceMutex);
@@ -1381,6 +1394,43 @@
     return OK;
 }
 
+status_t CameraProviderManager::ProviderInfo::DeviceInfo3::isSessionConfigurationSupported(
+        const hardware::camera::device::V3_4::StreamConfiguration &configuration,
+        bool *status /*out*/) const {
+    auto castResult = device::V3_5::ICameraDevice::castFrom(mInterface);
+    sp<hardware::camera::device::V3_5::ICameraDevice> interface_3_5 = castResult;
+    if (interface_3_5 == nullptr) {
+        return INVALID_OPERATION;
+    }
+
+    status_t res;
+    Status callStatus;
+    auto ret =  interface_3_5->isStreamCombinationSupported(configuration,
+            [&callStatus, &status] (Status s, bool combStatus) {
+                callStatus = s;
+                *status = combStatus;
+            });
+    if (ret.isOk()) {
+        switch (callStatus) {
+            case Status::OK:
+                // Expected case, do nothing.
+                res = OK;
+                break;
+            case Status::METHOD_NOT_SUPPORTED:
+                res = INVALID_OPERATION;
+                break;
+            default:
+                ALOGE("%s: Session configuration query failed: %d", __FUNCTION__, callStatus);
+                res = UNKNOWN_ERROR;
+        }
+    } else {
+        ALOGE("%s: Unexpected binder error: %s", __FUNCTION__, ret.description().c_str());
+        res = UNKNOWN_ERROR;
+    }
+
+    return res;
+}
+
 status_t CameraProviderManager::ProviderInfo::parseProviderName(const std::string& name,
         std::string *type, uint32_t *id) {
     // Format must be "<type>/<id>"
diff --git a/services/camera/libcameraservice/common/CameraProviderManager.h b/services/camera/libcameraservice/common/CameraProviderManager.h
index c506d35..99b87fb 100644
--- a/services/camera/libcameraservice/common/CameraProviderManager.h
+++ b/services/camera/libcameraservice/common/CameraProviderManager.h
@@ -28,6 +28,7 @@
 #include <utils/Errors.h>
 #include <android/hardware/camera/common/1.0/types.h>
 #include <android/hardware/camera/provider/2.4/ICameraProvider.h>
+#include <android/hardware/camera/device/3.4/ICameraDeviceSession.h>
 //#include <android/hardware/camera/provider/2.4/ICameraProviderCallbacks.h>
 #include <android/hidl/manager/1.0/IServiceNotification.h>
 #include <camera/VendorTagDescriptor.h>
@@ -166,6 +167,13 @@
             CameraMetadata* characteristics) const;
 
     /**
+     * Check for device support of specific stream combination.
+     */
+    status_t isSessionConfigurationSupported(const std::string& id,
+            const hardware::camera::device::V3_4::StreamConfiguration &configuration,
+            bool *status /*out*/) const;
+
+    /**
      * Return the highest supported device interface version for this ID
      */
     status_t getHighestSupportedVersion(const std::string &id,
@@ -315,6 +323,13 @@
                 return INVALID_OPERATION;
             }
 
+            virtual status_t isSessionConfigurationSupported(
+                    const hardware::camera::device::V3_4::StreamConfiguration &/*configuration*/,
+                    bool * /*status*/)
+                    const {
+                return INVALID_OPERATION;
+            }
+
             DeviceInfo(const std::string& name, const metadata_vendor_id_t tagId,
                     const std::string &id, const hardware::hidl_version& version,
                     const std::vector<std::string>& publicCameraIds,
@@ -375,6 +390,10 @@
                     CameraMetadata *characteristics) const override;
             virtual status_t getPhysicalCameraCharacteristics(const std::string& physicalCameraId,
                     CameraMetadata *characteristics) const override;
+            virtual status_t isSessionConfigurationSupported(
+                    const hardware::camera::device::V3_4::StreamConfiguration &configuration,
+                    bool *status /*out*/)
+                    const override;
 
             DeviceInfo3(const std::string& name, const metadata_vendor_id_t tagId,
                     const std::string &id, uint16_t minorVersion,
diff --git a/services/camera/libcameraservice/device3/Camera3Device.h b/services/camera/libcameraservice/device3/Camera3Device.h
index 35b9d6d..c11a6f8 100644
--- a/services/camera/libcameraservice/device3/Camera3Device.h
+++ b/services/camera/libcameraservice/device3/Camera3Device.h
@@ -194,6 +194,28 @@
      */
     status_t dropStreamBuffers(bool dropping, int streamId) override;
 
+    /**
+     * Helper functions to map between framework and HIDL values
+     */
+    static hardware::graphics::common::V1_0::PixelFormat mapToPixelFormat(int frameworkFormat);
+    static hardware::camera::device::V3_2::DataspaceFlags mapToHidlDataspace(
+            android_dataspace dataSpace);
+    static hardware::camera::device::V3_2::BufferUsageFlags mapToConsumerUsage(uint64_t usage);
+    static hardware::camera::device::V3_2::StreamRotation mapToStreamRotation(
+            camera3_stream_rotation_t rotation);
+    // Returns a negative error code if the passed-in operation mode is not valid.
+    static status_t mapToStreamConfigurationMode(camera3_stream_configuration_mode_t operationMode,
+            /*out*/ hardware::camera::device::V3_2::StreamConfigurationMode *mode);
+    static camera3_buffer_status_t mapHidlBufferStatus(
+            hardware::camera::device::V3_2::BufferStatus status);
+    static int mapToFrameworkFormat(hardware::graphics::common::V1_0::PixelFormat pixelFormat);
+    static android_dataspace mapToFrameworkDataspace(
+            hardware::camera::device::V3_2::DataspaceFlags);
+    static uint64_t mapConsumerToFrameworkUsage(
+            hardware::camera::device::V3_2::BufferUsageFlags usage);
+    static uint64_t mapProducerToFrameworkUsage(
+            hardware::camera::device::V3_2::BufferUsageFlags usage);
+
   private:
 
     status_t disconnectImpl();
@@ -676,27 +698,6 @@
      */
     static nsecs_t getMonoToBoottimeOffset();
 
-    /**
-     * Helper functions to map between framework and HIDL values
-     */
-    static hardware::graphics::common::V1_0::PixelFormat mapToPixelFormat(int frameworkFormat);
-    static hardware::camera::device::V3_2::DataspaceFlags mapToHidlDataspace(
-            android_dataspace dataSpace);
-    static hardware::camera::device::V3_2::BufferUsageFlags mapToConsumerUsage(uint64_t usage);
-    static hardware::camera::device::V3_2::StreamRotation mapToStreamRotation(
-            camera3_stream_rotation_t rotation);
-    // Returns a negative error code if the passed-in operation mode is not valid.
-    static status_t mapToStreamConfigurationMode(camera3_stream_configuration_mode_t operationMode,
-            /*out*/ hardware::camera::device::V3_2::StreamConfigurationMode *mode);
-    static camera3_buffer_status_t mapHidlBufferStatus(hardware::camera::device::V3_2::BufferStatus status);
-    static int mapToFrameworkFormat(hardware::graphics::common::V1_0::PixelFormat pixelFormat);
-    static android_dataspace mapToFrameworkDataspace(
-            hardware::camera::device::V3_2::DataspaceFlags);
-    static uint64_t mapConsumerToFrameworkUsage(
-            hardware::camera::device::V3_2::BufferUsageFlags usage);
-    static uint64_t mapProducerToFrameworkUsage(
-            hardware::camera::device::V3_2::BufferUsageFlags usage);
-
     struct RequestTrigger {
         // Metadata tag number, e.g. android.control.aePrecaptureTrigger
         uint32_t metadataTag;
diff --git a/services/camera/libcameraservice/device3/Camera3OutputStream.cpp b/services/camera/libcameraservice/device3/Camera3OutputStream.cpp
index 219cc24..8cd575d 100644
--- a/services/camera/libcameraservice/device3/Camera3OutputStream.cpp
+++ b/services/camera/libcameraservice/device3/Camera3OutputStream.cpp
@@ -663,12 +663,11 @@
     return res;
 }
 
-status_t Camera3OutputStream::getEndpointUsageForSurface(uint64_t *usage,
-        const sp<Surface>& surface) const {
-    status_t res;
-    uint64_t u = 0;
+void Camera3OutputStream::applyZSLUsageQuirk(int format, uint64_t *consumerUsage /*inout*/) {
+    if (consumerUsage == nullptr) {
+        return;
+    }
 
-    res = native_window_get_consumer_usage(static_cast<ANativeWindow*>(surface.get()), &u);
     // If an opaque output stream's endpoint is ImageReader, add
     // GRALLOC_USAGE_HW_CAMERA_ZSL to the usage so HAL knows it will be used
     // for the ZSL use case.
@@ -677,12 +676,20 @@
     //     2. GRALLOC_USAGE_HW_RENDER
     //     3. GRALLOC_USAGE_HW_COMPOSER
     //     4. GRALLOC_USAGE_HW_VIDEO_ENCODER
-    if (camera3_stream::format == HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED &&
-            (u & (GRALLOC_USAGE_HW_TEXTURE | GRALLOC_USAGE_HW_RENDER |
+    if (format == HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED &&
+            (*consumerUsage & (GRALLOC_USAGE_HW_TEXTURE | GRALLOC_USAGE_HW_RENDER |
             GRALLOC_USAGE_HW_COMPOSER | GRALLOC_USAGE_HW_VIDEO_ENCODER)) == 0) {
-        u |= GRALLOC_USAGE_HW_CAMERA_ZSL;
+        *consumerUsage |= GRALLOC_USAGE_HW_CAMERA_ZSL;
     }
+}
 
+status_t Camera3OutputStream::getEndpointUsageForSurface(uint64_t *usage,
+        const sp<Surface>& surface) const {
+    status_t res;
+    uint64_t u = 0;
+
+    res = native_window_get_consumer_usage(static_cast<ANativeWindow*>(surface.get()), &u);
+    applyZSLUsageQuirk(camera3_stream::format, &u);
     *usage = u;
     return res;
 }
diff --git a/services/camera/libcameraservice/device3/Camera3OutputStream.h b/services/camera/libcameraservice/device3/Camera3OutputStream.h
index 410905d..2128da2 100644
--- a/services/camera/libcameraservice/device3/Camera3OutputStream.h
+++ b/services/camera/libcameraservice/device3/Camera3OutputStream.h
@@ -201,6 +201,11 @@
             const std::vector<size_t> &removedSurfaceIds,
             KeyedVector<sp<Surface>, size_t> *outputMap/*out*/);
 
+    /**
+     * Apply ZSL related consumer usage quirk.
+     */
+    static void applyZSLUsageQuirk(int format, uint64_t *consumerUsage /*inout*/);
+
   protected:
     Camera3OutputStream(int id, camera3_stream_type_t type,
             uint32_t width, uint32_t height, int format,
diff --git a/services/camera/libcameraservice/tests/Android.mk b/services/camera/libcameraservice/tests/Android.mk
index 8d80ff1..ad9963a 100644
--- a/services/camera/libcameraservice/tests/Android.mk
+++ b/services/camera/libcameraservice/tests/Android.mk
@@ -30,7 +30,8 @@
     android.hardware.camera.common@1.0 \
     android.hardware.camera.provider@2.4 \
     android.hardware.camera.device@1.0 \
-    android.hardware.camera.device@3.2
+    android.hardware.camera.device@3.2 \
+    android.hardware.camera.device@3.4
 
 LOCAL_C_INCLUDES += \
     system/media/private/camera/include \