commit 0ff9ae3ecbb421551d5de9701a349d8a3741f965
author Shuzhen Wang <shuzhenwang@google.com> Wed Dec 05 18:06:12 2018 -0800
committer Shuzhen Wang <shuzhenwang@google.com> Thu Dec 20 10:34:27 2018 -0800
tree 2fb69b8701f672c09fc5b139caccfa95fa6976cf
parent 3c3c97ae534870c90f54e8cffc6d7d82ab8ca3da

Camera: Enable logical multi-camera API in NDK

The support inclues:
- Physical camera specific stream support,
- Physical camera result metadata, and

Test: Newly added NDK CTS test pass
Test: Newly added VNDK test pass
Bug: 120566141
Bug: 115532726
Change-Id: I939b81522ca6c518c0e54ded5d3615f9973a6a65

camera/ndk/impl/ACameraMetadata.h

diff --git a/camera/ndk/impl/ACameraMetadata.h b/camera/ndk/impl/ACameraMetadata.h
index f21dbaf..7049c4b 100644
--- a/camera/ndk/impl/ACameraMetadata.h
+++ b/camera/ndk/impl/ACameraMetadata.h
@@ -17,6 +17,7 @@
 #define _ACAMERA_METADATA_H
 
 #include <unordered_set>
+#include <vector>
 
 #include <sys/types.h>
 #include <utils/Mutex.h>
@@ -65,6 +66,7 @@
                             /*out*/const uint32_t** tags) const;
 
     const CameraMetadata& getInternalData() const;
+    bool isLogicalMultiCamera(size_t* count, const char* const** physicalCameraIds) const;
 
   private:
 
@@ -74,6 +76,7 @@
     void filterUnsupportedFeatures(); // Hide features not yet supported by NDK
     void filterStreamConfigurations(); // Hide input streams, translate hal format to NDK formats
     void filterDurations(uint32_t tag); // translate hal format to NDK formats
+    void derivePhysicalCameraIds(); // Derive array of physical ids.
 
     template<typename INTERNAL_T, typename NDK_T>
     camera_status_t updateImpl(uint32_t tag, uint32_t count, const NDK_T* data) {
@@ -112,6 +115,8 @@
     const ACAMERA_METADATA_TYPE mType;
 
     static std::unordered_set<uint32_t> sSystemTags;
+
+    std::vector<const char*> mStaticPhysicalCameraIds;
 };
 
 #endif // _ACAMERA_METADATA_H