commit c8ab4520b7bf971a2689db57bb8c5deeb09e3982
author Shuzhen Wang <shuzhenwang@google.com> Tue Dec 14 20:12:42 2021 -0800
committer Shuzhen Wang <shuzhenwang@google.com> Mon Jan 31 17:34:26 2022 -0800
tree 057c1efb0cd85cb72138c25563d161953450a23c
parent d6b786c06d32d03c29b7264a65e211fbd5b1e7d0

Camera: Add stream use case API

Camera stream use case indicates the purpose of a camera stream
independent of its direct consumer target. The stream use case is
plumbed from the app to the camera HAL.

Test: Camera CTS
Bug: 200307880
Change-Id: I15f9e63c4dc41ce355a509c154686fc06c1ab72d

services/camera/libcameraservice/device3/Camera3StreamInterface.h

diff --git a/services/camera/libcameraservice/device3/Camera3StreamInterface.h b/services/camera/libcameraservice/device3/Camera3StreamInterface.h
index ef10f0d..7b1597b 100644
--- a/services/camera/libcameraservice/device3/Camera3StreamInterface.h
+++ b/services/camera/libcameraservice/device3/Camera3StreamInterface.h
@@ -65,6 +65,7 @@
 
     std::unordered_set<int32_t> sensor_pixel_modes_used;
     int dynamic_range_profile;
+    int use_case;
 } camera_stream_t;
 
 typedef struct camera_stream_buffer {
@@ -109,16 +110,19 @@
         bool supportsOffline = false;
         std::unordered_set<int32_t> sensorPixelModesUsed;
         int dynamicRangeProfile;
+        int streamUseCase;
         OutputStreamInfo() :
             width(-1), height(-1), format(-1), dataSpace(HAL_DATASPACE_UNKNOWN),
             consumerUsage(0),
-            dynamicRangeProfile(ANDROID_REQUEST_AVAILABLE_DYNAMIC_RANGE_PROFILES_MAP_STANDARD) {}
+            dynamicRangeProfile(ANDROID_REQUEST_AVAILABLE_DYNAMIC_RANGE_PROFILES_MAP_STANDARD),
+            streamUseCase(ANDROID_SCALER_AVAILABLE_STREAM_USE_CASES_DEFAULT) {}
         OutputStreamInfo(int _width, int _height, int _format, android_dataspace _dataSpace,
                 uint64_t _consumerUsage, const std::unordered_set<int32_t>& _sensorPixelModesUsed,
-                int _dynamicRangeProfile) :
+                int _dynamicRangeProfile, int _streamUseCase) :
             width(_width), height(_height), format(_format),
             dataSpace(_dataSpace), consumerUsage(_consumerUsage),
-            sensorPixelModesUsed(_sensorPixelModesUsed), dynamicRangeProfile(_dynamicRangeProfile){}
+            sensorPixelModesUsed(_sensorPixelModesUsed), dynamicRangeProfile(_dynamicRangeProfile),
+            streamUseCase(_streamUseCase) {}
 };
 
 /**