Merge "Provide refresh rate range to the window manager based on the maximum frame rate of each camera stream." into tm-dev

core/java/android/hardware/CameraSessionStats.java

@@ -59,6 +59,7 @@ public class CameraSessionStats implements Parcelable {
     private long mRequestCount;
     private long mResultErrorCount;
     private boolean mDeviceError;
+    private float mMaxPreviewFps;
     private ArrayList<CameraStreamStats> mStreamStats;
 
     public CameraSessionStats() {
@@ -67,6 +68,7 @@ public class CameraSessionStats implements Parcelable {
         mApiLevel = -1;
         mIsNdk = false;
         mLatencyMs = -1;
+        mMaxPreviewFps = 0;
         mSessionType = -1;
         mInternalReconfigure = -1;
         mRequestCount = 0;
@@ -77,7 +79,7 @@ public class CameraSessionStats implements Parcelable {
 
     public CameraSessionStats(String cameraId, int facing, int newCameraState,
             String clientName, int apiLevel, boolean isNdk, int creationDuration,
-            int sessionType, int internalReconfigure) {
+            float maxPreviewFps, int sessionType, int internalReconfigure) {
         mCameraId = cameraId;
         mFacing = facing;
         mNewCameraState = newCameraState;
@@ -85,6 +87,7 @@ public class CameraSessionStats implements Parcelable {
         mApiLevel = apiLevel;
         mIsNdk = isNdk;
         mLatencyMs = creationDuration;
+        mMaxPreviewFps = maxPreviewFps;
         mSessionType = sessionType;
         mInternalReconfigure = internalReconfigure;
         mStreamStats = new ArrayList<CameraStreamStats>();
@@ -121,6 +124,7 @@ public class CameraSessionStats implements Parcelable {
         dest.writeInt(mApiLevel);
         dest.writeBoolean(mIsNdk);
         dest.writeInt(mLatencyMs);
+        dest.writeFloat(mMaxPreviewFps);
         dest.writeInt(mSessionType);
         dest.writeInt(mInternalReconfigure);
         dest.writeLong(mRequestCount);
@@ -137,6 +141,7 @@ public class CameraSessionStats implements Parcelable {
         mApiLevel = in.readInt();
         mIsNdk = in.readBoolean();
         mLatencyMs = in.readInt();
+        mMaxPreviewFps = in.readFloat();
         mSessionType = in.readInt();
         mInternalReconfigure = in.readInt();
         mRequestCount = in.readLong();
@@ -176,6 +181,10 @@ public class CameraSessionStats implements Parcelable {
         return mLatencyMs;
     }
 
+    public float getMaxPreviewFps() {
+        return mMaxPreviewFps;
+    }
+
     public int getSessionType() {
         return mSessionType;
     }

core/java/android/hardware/CameraStreamStats.java

@@ -15,8 +15,8 @@
  */
 package android.hardware;
 
-import android.hardware.camera2.params.DynamicRangeProfiles;
 import android.hardware.camera2.CameraMetadata;
+import android.hardware.camera2.params.DynamicRangeProfiles;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.util.Log;
@@ -37,6 +37,7 @@ public class CameraStreamStats implements Parcelable {
     private int mWidth;
     private int mHeight;
     private int mFormat;
+    private float mMaxPreviewFps;
     private int mDataSpace;
     private long mUsage;
     private long mRequestCount;
@@ -56,6 +57,7 @@ public class CameraStreamStats implements Parcelable {
         mWidth = 0;
         mHeight = 0;
         mFormat = 0;
+        mMaxPreviewFps = 0;
         mDataSpace = 0;
         mUsage = 0;
         mRequestCount = 0;
@@ -68,13 +70,14 @@ public class CameraStreamStats implements Parcelable {
         mStreamUseCase = CameraMetadata.SCALER_AVAILABLE_STREAM_USE_CASES_DEFAULT;
     }
 
-    public CameraStreamStats(int width, int height, int format,
+    public CameraStreamStats(int width, int height, int format, float maxPreviewFps,
             int dataSpace, long usage, long requestCount, long errorCount,
             int startLatencyMs, int maxHalBuffers, int maxAppBuffers, long dynamicRangeProfile,
             int streamUseCase) {
         mWidth = width;
         mHeight = height;
         mFormat = format;
+        mMaxPreviewFps = maxPreviewFps;
         mDataSpace = dataSpace;
         mUsage = usage;
         mRequestCount = requestCount;
@@ -120,6 +123,7 @@ public class CameraStreamStats implements Parcelable {
         dest.writeInt(mWidth);
         dest.writeInt(mHeight);
         dest.writeInt(mFormat);
+        dest.writeFloat(mMaxPreviewFps);
         dest.writeInt(mDataSpace);
         dest.writeLong(mUsage);
         dest.writeLong(mRequestCount);
@@ -138,6 +142,7 @@ public class CameraStreamStats implements Parcelable {
         mWidth = in.readInt();
         mHeight = in.readInt();
         mFormat = in.readInt();
+        mMaxPreviewFps = in.readFloat();
         mDataSpace = in.readInt();
         mUsage = in.readLong();
         mRequestCount = in.readLong();
@@ -164,6 +169,10 @@ public class CameraStreamStats implements Parcelable {
         return mFormat;
     }
 
+    public float getMaxPreviewFps() {
+        return mMaxPreviewFps;
+    }
+
     public int getDataSpace() {
         return mDataSpace;
     }

services/core/java/com/android/server/camera/CameraServiceProxy.java

@@ -184,6 +184,9 @@ public class CameraServiceProxy extends SystemService
     // Must be equal to number of CameraStreamProto in CameraActionEvent
     private static final int MAX_STREAM_STATISTICS = 5;
 
+    private static final float MIN_PREVIEW_FPS = 30.0f;
+    private static final float MAX_PREVIEW_FPS = 60.0f;
+
     private final Context mContext;
     private final ServiceThread mHandlerThread;
     private final Handler mHandler;
@@ -821,6 +824,7 @@ public class CameraServiceProxy extends SystemService
                         Slog.v(TAG, "Stream " + i + ": width " + streamProtos[i].width
                                 + ", height " + streamProtos[i].height
                                 + ", format " + streamProtos[i].format
+                                + ", maxPreviewFps " + streamStats.getMaxPreviewFps()
                                 + ", dataSpace " + streamProtos[i].dataSpace
                                 + ", usage " + streamProtos[i].usage
                                 + ", requestCount " + streamProtos[i].requestCount
@@ -1015,6 +1019,11 @@ public class CameraServiceProxy extends SystemService
         return false;
     }
 
+    private float getMinFps(CameraSessionStats cameraState) {
+        float maxFps = cameraState.getMaxPreviewFps();
+        return Math.max(Math.min(maxFps, MAX_PREVIEW_FPS), MIN_PREVIEW_FPS);
+    }
+
     private void updateActivityCount(CameraSessionStats cameraState) {
         String cameraId = cameraState.getCameraId();
         int newCameraState = cameraState.getNewCameraState();
@@ -1068,9 +1077,9 @@ public class CameraServiceProxy extends SystemService
                     if (!alreadyActivePackage) {
                         WindowManagerInternal wmi =
                                 LocalServices.getService(WindowManagerInternal.class);
-                        // TODO(b/209669709): populate min.max refreshRate based on
-                        //  the camera capture speed
-                        wmi.addRefreshRateRangeForPackage(clientName, 60.0f, 60.0f);
+                        float minFps = getMinFps(cameraState);
+                        wmi.addRefreshRateRangeForPackage(clientName,
+                                minFps, MAX_PREVIEW_FPS);
                     }
 
                     // Update activity events