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/Camera3Stream.cpp

diff --git a/services/camera/libcameraservice/device3/Camera3Stream.cpp b/services/camera/libcameraservice/device3/Camera3Stream.cpp
index 83f9a98..6b093b3 100644
--- a/services/camera/libcameraservice/device3/Camera3Stream.cpp
+++ b/services/camera/libcameraservice/device3/Camera3Stream.cpp
@@ -54,7 +54,8 @@
         android_dataspace dataSpace, camera_stream_rotation_t rotation,
         const String8& physicalCameraId,
         const std::unordered_set<int32_t> &sensorPixelModesUsed,
-        int setId, bool isMultiResolution, int dynamicRangeProfile) :
+        int setId, bool isMultiResolution, int dynamicRangeProfile,
+        int streamUseCase) :
     camera_stream(),
     mId(id),
     mSetId(setId),
@@ -91,6 +92,7 @@
     camera_stream::physical_camera_id = mPhysicalCameraId.string();
     camera_stream::sensor_pixel_modes_used = sensorPixelModesUsed;
     camera_stream::dynamic_range_profile = dynamicRangeProfile;
+    camera_stream::use_case = streamUseCase;
 
     if ((format == HAL_PIXEL_FORMAT_BLOB || format == HAL_PIXEL_FORMAT_RAW_OPAQUE) &&
             maxSize == 0) {
@@ -175,6 +177,10 @@
     return camera_stream::max_buffers;
 }
 
+int Camera3Stream::getStreamUseCase() const {
+    return camera_stream::use_case;
+}
+
 void Camera3Stream::setOfflineProcessingSupport(bool support) {
     mSupportOfflineProcessing = support;
 }