commit 4c060997514cb37aec9a9a7cec02a3f257d3a74d
author Yin-Chia Yeh <yinchiayeh@google.com> Mon Apr 11 17:40:12 2016 -0700
committer Yin-Chia Yeh <yinchiayeh@google.com> Wed Apr 13 12:44:21 2016 -0700
tree bb769eb0a9781077f4f09e0aa36cd1212fd1ff27
parent 0115a8bff177dd8c4ca038423ee2efd36fbd58f1

Camera: derive post RAW sensitivity keys for BC

Derive post RAW sensitivity keys for devices
earlier than HAL3.4.

Bug: 27950762
Change-Id: Icc2232cb722c61a5878a81706885303b15ddee3e

services/camera/libcameraservice/device3/Camera3Device.cpp

diff --git a/services/camera/libcameraservice/device3/Camera3Device.cpp b/services/camera/libcameraservice/device3/Camera3Device.cpp
index 1caf157..e395935 100644
--- a/services/camera/libcameraservice/device3/Camera3Device.cpp
+++ b/services/camera/libcameraservice/device3/Camera3Device.cpp
@@ -200,6 +200,14 @@
     mDeviceInfo = info.static_camera_characteristics;
     mHal3Device = device;
 
+    // Determine whether we need to derive sensitivity boost values for older devices.
+    // If post-RAW sensitivity boost range is listed, so should post-raw sensitivity control
+    // be listed (as the default value 100)
+    if (mDeviceVersion < CAMERA_DEVICE_API_VERSION_3_4 &&
+            mDeviceInfo.exists(ANDROID_CONTROL_POST_RAW_SENSITIVITY_BOOST_RANGE)) {
+        mDerivePostRawSensKey = true;
+    }
+
     internalUpdateStatusLocked(STATUS_UNCONFIGURED);
     mNextStreamId = 0;
     mDummyStreamId = NO_STREAM;
@@ -1310,9 +1318,19 @@
               __FUNCTION__, templateId);
         return BAD_VALUE;
     }
-    *request = rawRequest;
+
     mRequestTemplateCache[templateId] = rawRequest;
 
+    // Derive some new keys for backward compatibility
+    if (mDerivePostRawSensKey && !mRequestTemplateCache[templateId].exists(
+            ANDROID_CONTROL_POST_RAW_SENSITIVITY_BOOST)) {
+        int32_t defaultBoost[1] = {100};
+        mRequestTemplateCache[templateId].update(
+                ANDROID_CONTROL_POST_RAW_SENSITIVITY_BOOST,
+                defaultBoost, 1);
+    }
+
+    *request = mRequestTemplateCache[templateId];
     return OK;
 }
 
@@ -2256,6 +2274,15 @@
         captureResult.mMetadata.append(collectedPartialResult);
     }
 
+    // Derive some new keys for backward compaibility
+    if (mDerivePostRawSensKey && !captureResult.mMetadata.exists(
+            ANDROID_CONTROL_POST_RAW_SENSITIVITY_BOOST)) {
+        int32_t defaultBoost[1] = {100};
+        captureResult.mMetadata.update(
+                ANDROID_CONTROL_POST_RAW_SENSITIVITY_BOOST,
+                defaultBoost, 1);
+    }
+
     captureResult.mMetadata.sort();
 
     // Check that there's a timestamp in the result metadata