1 files changed, 49 insertions, 40 deletions

diff --git a/camera/device/3.4/default/CameraDeviceSession.cpp b/camera/device/3.4/default/CameraDeviceSession.cpp
index f2e031c674..b4ebe22701 100644
--- a/camera/device/3.4/default/CameraDeviceSession.cpp
+++ b/camera/device/3.4/default/CameraDeviceSession.cpp
@@ -22,6 +22,7 @@
 #include <hardware/gralloc.h>
 #include <hardware/gralloc1.h>
 #include "CameraDeviceSession.h"
+#include "CameraModule.h"
 
 namespace android {
 namespace hardware {
@@ -30,6 +31,8 @@ namespace device {
 namespace V3_4 {
 namespace implementation {
 
+using ::android::hardware::camera::common::V1_0::helper::CameraModule;
+
 CameraDeviceSession::CameraDeviceSession(
     camera3_device_t* device,
     const camera_metadata_t* deviceInfo,
@@ -54,31 +57,9 @@ CameraDeviceSession::CameraDeviceSession(
 
     mResultBatcher_3_4.setNumPartialResults(mNumPartialResults);
 
-    camera_metadata_entry_t capabilities =
-            mDeviceInfo.find(ANDROID_REQUEST_AVAILABLE_CAPABILITIES);
-    bool isLogicalMultiCamera = false;
-    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_entry entry =
-                mDeviceInfo.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);
-                    mPhysicalCameraIds.emplace(physicalId);
-                }
-                start = i + 1;
-            }
-        }
-    }
+    // Parse and store current logical camera's physical ids.
+    (void)CameraModule::isLogicalMultiCamera(mDeviceInfo, &mPhysicalCameraIds);
+
 }
 
 CameraDeviceSession::~CameraDeviceSession() {
@@ -87,6 +68,14 @@ CameraDeviceSession::~CameraDeviceSession() {
 Return<void> CameraDeviceSession::configureStreams_3_4(
         const StreamConfiguration& requestedConfiguration,
         ICameraDeviceSession::configureStreams_3_4_cb _hidl_cb)  {
+    configureStreams_3_4_Impl(requestedConfiguration, _hidl_cb);
+    return Void();
+}
+
+void CameraDeviceSession::configureStreams_3_4_Impl(
+        const StreamConfiguration& requestedConfiguration,
+        ICameraDeviceSession::configureStreams_3_4_cb _hidl_cb,
+        uint32_t streamConfigCounter, bool useOverriddenFields)  {
     Status status = initStatus();
     HalStreamConfiguration outStreams;
 
@@ -97,7 +86,7 @@ Return<void> CameraDeviceSession::configureStreams_3_4(
                 ALOGE("%s: trying to configureStreams with physical camera id with V3.2 callback",
                         __FUNCTION__);
                 _hidl_cb(Status::INTERNAL_ERROR, outStreams);
-                return Void();
+                return;
             }
         }
     }
@@ -109,7 +98,7 @@ Return<void> CameraDeviceSession::configureStreams_3_4(
         ALOGE("%s: trying to configureStreams while there are still %zu inflight buffers!",
                 __FUNCTION__, mInflightBuffers.size());
         _hidl_cb(Status::INTERNAL_ERROR, outStreams);
-        return Void();
+        return;
     }
 
     if (!mInflightAETriggerOverrides.empty()) {
@@ -117,7 +106,7 @@ Return<void> CameraDeviceSession::configureStreams_3_4(
                 " trigger overrides!", __FUNCTION__,
                 mInflightAETriggerOverrides.size());
         _hidl_cb(Status::INTERNAL_ERROR, outStreams);
-        return Void();
+        return;
     }
 
     if (!mInflightRawBoostPresent.empty()) {
@@ -125,12 +114,12 @@ Return<void> CameraDeviceSession::configureStreams_3_4(
                 " boost overrides!", __FUNCTION__,
                 mInflightRawBoostPresent.size());
         _hidl_cb(Status::INTERNAL_ERROR, outStreams);
-        return Void();
+        return;
     }
 
     if (status != Status::OK) {
         _hidl_cb(status, outStreams);
-        return Void();
+        return;
     }
 
     const camera_metadata_t *paramBuffer = nullptr;
@@ -139,11 +128,15 @@ Return<void> CameraDeviceSession::configureStreams_3_4(
     }
 
     camera3_stream_configuration_t stream_list{};
+    // Block reading mStreamConfigCounter until configureStream returns
+    Mutex::Autolock _sccl(mStreamConfigCounterLock);
+    mStreamConfigCounter = streamConfigCounter;
     hidl_vec<camera3_stream_t*> streams;
     stream_list.session_parameters = paramBuffer;
-    if (!preProcessConfigurationLocked_3_4(requestedConfiguration, &stream_list, &streams)) {
+    if (!preProcessConfigurationLocked_3_4(requestedConfiguration,
+            useOverriddenFields, &stream_list, &streams)) {
         _hidl_cb(Status::INTERNAL_ERROR, outStreams);
-        return Void();
+        return;
     }
 
     ATRACE_BEGIN("camera3->configure_streams");
@@ -168,11 +161,11 @@ Return<void> CameraDeviceSession::configureStreams_3_4(
     }
 
     _hidl_cb(status, outStreams);
-    return Void();
+    return;
 }
 
 bool CameraDeviceSession::preProcessConfigurationLocked_3_4(
-        const StreamConfiguration& requestedConfiguration,
+        const StreamConfiguration& requestedConfiguration, bool useOverriddenFields,
         camera3_stream_configuration_t *stream_list /*out*/,
         hidl_vec<camera3_stream_t*> *streams /*out*/) {
 
@@ -195,25 +188,41 @@ bool CameraDeviceSession::preProcessConfigurationLocked_3_4(
             mPhysicalCameraIdMap[id] = requestedConfiguration.streams[i].physicalCameraId;
             mStreamMap[id].data_space = mapToLegacyDataspace(
                     mStreamMap[id].data_space);
-            mStreamMap[id].physical_camera_id = mPhysicalCameraIdMap[id].c_str();
             mCirculatingBuffers.emplace(stream.mId, CirculatingBuffers{});
         } else {
-            // width/height/format must not change, but usage/rotation might need to change
+            // width/height/format must not change, but usage/rotation might need to change.
+            // format and data_space may change.
             if (mStreamMap[id].stream_type !=
                     (int) requestedConfiguration.streams[i].v3_2.streamType ||
                     mStreamMap[id].width != requestedConfiguration.streams[i].v3_2.width ||
                     mStreamMap[id].height != requestedConfiguration.streams[i].v3_2.height ||
-                    mStreamMap[id].format != (int) requestedConfiguration.streams[i].v3_2.format ||
-                    mStreamMap[id].data_space !=
-                            mapToLegacyDataspace( static_cast<android_dataspace_t> (
-                                    requestedConfiguration.streams[i].v3_2.dataSpace)) ||
                     mPhysicalCameraIdMap[id] != requestedConfiguration.streams[i].physicalCameraId) {
                 ALOGE("%s: stream %d configuration changed!", __FUNCTION__, id);
                 return false;
             }
+            if (useOverriddenFields) {
+                android_dataspace_t requestedDataSpace =
+                        mapToLegacyDataspace(static_cast<android_dataspace_t>(
+                        requestedConfiguration.streams[i].v3_2.dataSpace));
+                if (mStreamMap[id].format != (int) requestedConfiguration.streams[i].v3_2.format ||
+                        mStreamMap[id].data_space != requestedDataSpace) {
+                    ALOGE("%s: stream %d configuration changed!", __FUNCTION__, id);
+                    return false;
+                }
+            } else {
+                mStreamMap[id].format =
+                        (int) requestedConfiguration.streams[i].v3_2.format;
+                mStreamMap[id].data_space = (android_dataspace_t)
+                        requestedConfiguration.streams[i].v3_2.dataSpace;
+            }
             mStreamMap[id].rotation = (int) requestedConfiguration.streams[i].v3_2.rotation;
             mStreamMap[id].usage = (uint32_t) requestedConfiguration.streams[i].v3_2.usage;
         }
+        // It is possible for the entry in 'mStreamMap' to get initialized by an older
+        // HIDL API. Make sure that the physical id is always initialized when using
+        // a more recent API call.
+        mStreamMap[id].physical_camera_id = mPhysicalCameraIdMap[id].c_str();
+
         (*streams)[i] = &mStreamMap[id];
     }