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

camera/camera2/OutputConfiguration.cpp

diff --git a/camera/camera2/OutputConfiguration.cpp b/camera/camera2/OutputConfiguration.cpp
index 15c9dc9..0982bba 100644
--- a/camera/camera2/OutputConfiguration.cpp
+++ b/camera/camera2/OutputConfiguration.cpp
@@ -81,6 +81,10 @@
     return mDynamicRangeProfile;
 }
 
+int OutputConfiguration::getStreamUseCase() const {
+    return mStreamUseCase;
+}
+
 OutputConfiguration::OutputConfiguration() :
         mRotation(INVALID_ROTATION),
         mSurfaceSetID(INVALID_SET_ID),
@@ -90,7 +94,8 @@
         mIsDeferred(false),
         mIsShared(false),
         mIsMultiResolution(false),
-        mDynamicRangeProfile(ANDROID_REQUEST_AVAILABLE_DYNAMIC_RANGE_PROFILES_MAP_STANDARD) {
+        mDynamicRangeProfile(ANDROID_REQUEST_AVAILABLE_DYNAMIC_RANGE_PROFILES_MAP_STANDARD),
+        mStreamUseCase(ANDROID_SCALER_AVAILABLE_STREAM_USE_CASES_DEFAULT) {
 }
 
 OutputConfiguration::OutputConfiguration(const android::Parcel& parcel) :
@@ -177,6 +182,12 @@
         return err;
     }
 
+    int streamUseCase = ANDROID_SCALER_AVAILABLE_STREAM_USE_CASES_DEFAULT;
+    if ((err = parcel->readInt32(&streamUseCase)) != OK) {
+        ALOGE("%s: Failed to read stream use case from parcel", __FUNCTION__);
+        return err;
+    }
+
     mRotation = rotation;
     mSurfaceSetID = setID;
     mSurfaceType = surfaceType;
@@ -185,6 +196,7 @@
     mIsDeferred = isDeferred != 0;
     mIsShared = isShared != 0;
     mIsMultiResolution = isMultiResolution != 0;
+    mStreamUseCase = streamUseCase;
     for (auto& surface : surfaceShims) {
         ALOGV("%s: OutputConfiguration: %p, name %s", __FUNCTION__,
                 surface.graphicBufferProducer.get(),
@@ -196,8 +208,9 @@
     mDynamicRangeProfile = dynamicProfile;
 
     ALOGV("%s: OutputConfiguration: rotation = %d, setId = %d, surfaceType = %d,"
-          " physicalCameraId = %s, isMultiResolution = %d", __FUNCTION__, mRotation,
-          mSurfaceSetID, mSurfaceType, String8(mPhysicalCameraId).string(), mIsMultiResolution);
+          " physicalCameraId = %s, isMultiResolution = %d, streamUseCase = %d", __FUNCTION__,
+          mRotation, mSurfaceSetID, mSurfaceType, String8(mPhysicalCameraId).string(),
+          mIsMultiResolution, mStreamUseCase);
 
     return err;
 }
@@ -213,6 +226,7 @@
     mPhysicalCameraId = physicalId;
     mIsMultiResolution = false;
     mDynamicRangeProfile = ANDROID_REQUEST_AVAILABLE_DYNAMIC_RANGE_PROFILES_MAP_STANDARD;
+    mStreamUseCase = ANDROID_SCALER_AVAILABLE_STREAM_USE_CASES_DEFAULT;
 }
 
 OutputConfiguration::OutputConfiguration(
@@ -222,7 +236,8 @@
   : mGbps(gbps), mRotation(rotation), mSurfaceSetID(surfaceSetID), mSurfaceType(surfaceType),
     mWidth(width), mHeight(height), mIsDeferred(false), mIsShared(isShared),
     mPhysicalCameraId(physicalCameraId), mIsMultiResolution(false),
-    mDynamicRangeProfile(ANDROID_REQUEST_AVAILABLE_DYNAMIC_RANGE_PROFILES_MAP_STANDARD) { }
+    mDynamicRangeProfile(ANDROID_REQUEST_AVAILABLE_DYNAMIC_RANGE_PROFILES_MAP_STANDARD),
+    mStreamUseCase(ANDROID_SCALER_AVAILABLE_STREAM_USE_CASES_DEFAULT) { }
 
 status_t OutputConfiguration::writeToParcel(android::Parcel* parcel) const {
 
@@ -272,6 +287,9 @@
     err = parcel->writeInt32(mDynamicRangeProfile ? 1 : 0);
     if (err != OK) return err;
 
+    err = parcel->writeInt32(mStreamUseCase);
+    if (err != OK) return err;
+
     return OK;
 }