DO NOT MERGE Force slowJpegMode on certain camera1 apps

Turn off the large JPEG stream on camera1 apps
that experience high power consumption during
video call

Bug: 254350466
Test: Manual testing with Messenger app video call
Change-Id: Ia5a96160f605f14d159412cd71f49791c1cfbd86

core/java/android/hardware/Camera.java

@@ -17,12 +17,7 @@
 package android.hardware;
 
 import static android.system.OsConstants.EACCES;
-import static android.system.OsConstants.EBUSY;
-import static android.system.OsConstants.EINVAL;
 import static android.system.OsConstants.ENODEV;
-import static android.system.OsConstants.ENOSYS;
-import static android.system.OsConstants.EOPNOTSUPP;
-import static android.system.OsConstants.EUSERS;
 
 import android.annotation.Nullable;
 import android.annotation.SdkConstant;
@@ -56,6 +51,7 @@ import android.util.Log;
 import android.view.Surface;
 import android.view.SurfaceHolder;
 
+import com.android.internal.R;
 import com.android.internal.annotations.GuardedBy;
 import com.android.internal.app.IAppOpsCallback;
 import com.android.internal.app.IAppOpsService;
@@ -491,8 +487,22 @@ public class Camera {
 
         boolean overrideToPortrait = CameraManager.shouldOverrideToPortrait(
                 ActivityThread.currentApplication().getApplicationContext());
+        boolean forceSlowJpegMode = shouldForceSlowJpegMode();
         return native_setup(new WeakReference<Camera>(this), cameraId,
-                ActivityThread.currentOpPackageName(), overrideToPortrait);
+                ActivityThread.currentOpPackageName(), overrideToPortrait, forceSlowJpegMode);
+    }
+
+    private boolean shouldForceSlowJpegMode() {
+        Context applicationContext = ActivityThread.currentApplication().getApplicationContext();
+        String[] slowJpegPackageNames = applicationContext.getResources().getStringArray(
+                R.array.config_forceSlowJpegModeList);
+        String callingPackageName = applicationContext.getPackageName();
+        for (String packageName : slowJpegPackageNames) {
+            if (TextUtils.equals(packageName, callingPackageName)) {
+                return true;
+            }
+        }
+        return false;
     }
 
     /** used by Camera#open, Camera#open(int) */
@@ -563,7 +573,7 @@ public class Camera {
 
     @UnsupportedAppUsage
     private native int native_setup(Object cameraThis, int cameraId, String packageName,
-            boolean overrideToPortrait);
+            boolean overrideToPortrait, boolean forceSlowJpegMode);
 
     private native final void native_release();
 

core/jni/android_hardware_Camera.cpp

@@ -556,7 +556,8 @@ static void android_hardware_Camera_getCameraInfo(JNIEnv *env, jobject thiz, jin
 // connect to camera service
 static jint android_hardware_Camera_native_setup(JNIEnv *env, jobject thiz, jobject weak_this,
                                                  jint cameraId, jstring clientPackageName,
-                                                 jboolean overrideToPortrait) {
+                                                 jboolean overrideToPortrait,
+                                                 jboolean forceSlowJpegMode) {
     // Convert jstring to String16
     const char16_t *rawClientName = reinterpret_cast<const char16_t*>(
         env->GetStringChars(clientPackageName, NULL));
@@ -568,7 +569,7 @@ static jint android_hardware_Camera_native_setup(JNIEnv *env, jobject thiz, jobj
     int targetSdkVersion = android_get_application_target_sdk_version();
     sp<Camera> camera =
             Camera::connect(cameraId, clientName, Camera::USE_CALLING_UID, Camera::USE_CALLING_PID,
-                            targetSdkVersion, overrideToPortrait);
+                            targetSdkVersion, overrideToPortrait, forceSlowJpegMode);
     if (camera == NULL) {
         return -EACCES;
     }
@@ -1054,7 +1055,7 @@ static const JNINativeMethod camMethods[] = {
         {"getNumberOfCameras", "()I", (void *)android_hardware_Camera_getNumberOfCameras},
         {"_getCameraInfo", "(IZLandroid/hardware/Camera$CameraInfo;)V",
          (void *)android_hardware_Camera_getCameraInfo},
-        {"native_setup", "(Ljava/lang/Object;ILjava/lang/String;Z)I",
+        {"native_setup", "(Ljava/lang/Object;ILjava/lang/String;ZZ)I",
          (void *)android_hardware_Camera_native_setup},
         {"native_release", "()V", (void *)android_hardware_Camera_release},
         {"setPreviewSurface", "(Landroid/view/Surface;)V",

core/res/res/values/config.xml

@@ -5045,6 +5045,11 @@
          of known compatibility issues. -->
     <string-array name="config_highRefreshRateBlacklist"></string-array>
 
+    <!-- The list of packages to force slowJpegMode for Apps using Camera API1 -->
+    <string-array name="config_forceSlowJpegModeList" translatable="false">
+        <!-- Add packages here -->
+    </string-array>
+
     <!-- Whether or not to hide the navigation bar when the soft keyboard is visible in order to
          create additional screen real estate outside beyond the keyboard. Note that the user needs
          to have a confirmed way to dismiss the keyboard when desired. -->

core/res/res/values/symbols.xml

@@ -4215,6 +4215,7 @@
 
   <java-symbol type="string" name="config_factoryResetPackage" />
   <java-symbol type="array" name="config_highRefreshRateBlacklist" />
+  <java-symbol type="array" name="config_forceSlowJpegModeList" />
 
   <java-symbol type="layout" name="chooser_dialog" />
   <java-symbol type="layout" name="chooser_dialog_item" />

media/tests/MediaFrameworkTest/src/com/android/mediaframeworktest/integration/CameraBinderTest.java

@@ -161,7 +161,8 @@ public class CameraBinderTest extends AndroidTestCase {
                             ICameraService.USE_CALLING_UID,
                             ICameraService.USE_CALLING_PID,
                             getContext().getApplicationInfo().targetSdkVersion,
-                            /*overrideToPortrait*/false);
+                            /*overrideToPortrait*/false,
+                            /*forceSlowJpegMode*/false);
             assertNotNull(String.format("Camera %s was null", cameraId), cameraUser);
 
             Log.v(TAG, String.format("Camera %s connected", cameraId));