Camera: implement camera audio restriction API

Test: new CTS test
Bug: 135676184
Change-Id: I5f26e343a4ee92b66fabfaa6bda94224ae311c40
diff --git a/camera/Camera.cpp b/camera/Camera.cpp
index c6c35ef..19849f8 100644
--- a/camera/Camera.cpp
+++ b/camera/Camera.cpp
@@ -347,6 +347,13 @@
     return c->setPreviewCallbackTarget(callbackProducer);
 }
 
+int32_t Camera::setAudioRestriction(int32_t mode)
+{
+    sp <::android::hardware::ICamera> c = mCamera;
+    if (c == 0) return NO_INIT;
+    return c->setAudioRestriction(mode);
+}
+
 // callback from camera service
 void Camera::notifyCallback(int32_t msgType, int32_t ext1, int32_t ext2)
 {
diff --git a/camera/ICamera.cpp b/camera/ICamera.cpp
index f0945c7..060e8e0 100644
--- a/camera/ICamera.cpp
+++ b/camera/ICamera.cpp
@@ -56,6 +56,7 @@
     SET_VIDEO_BUFFER_TARGET,
     RELEASE_RECORDING_FRAME_HANDLE,
     RELEASE_RECORDING_FRAME_HANDLE_BATCH,
+    SET_AUDIO_RESTRICTION,
 };
 
 class BpCamera: public BpInterface<ICamera>
@@ -191,6 +192,14 @@
         }
     }
 
+    int32_t setAudioRestriction(int32_t mode) {
+        Parcel data, reply;
+        data.writeInterfaceToken(ICamera::getInterfaceDescriptor());
+        data.writeInt32(mode);
+        remote()->transact(SET_AUDIO_RESTRICTION, data, &reply);
+        return reply.readInt32();
+    }
+
     status_t setVideoBufferMode(int32_t videoBufferMode)
     {
         ALOGV("setVideoBufferMode: %d", videoBufferMode);
@@ -494,6 +503,12 @@
             reply->writeInt32(setVideoTarget(st));
             return NO_ERROR;
         } break;
+        case SET_AUDIO_RESTRICTION: {
+            CHECK_INTERFACE(ICamera, data, reply);
+            int32_t mode = data.readInt32();
+            reply->writeInt32(setAudioRestriction(mode));
+            return NO_ERROR;
+        } break;
         default:
             return BBinder::onTransact(code, data, reply, flags);
     }
diff --git a/camera/aidl/android/hardware/camera2/ICameraDeviceUser.aidl b/camera/aidl/android/hardware/camera2/ICameraDeviceUser.aidl
index 49dfde8..5987b42 100644
--- a/camera/aidl/android/hardware/camera2/ICameraDeviceUser.aidl
+++ b/camera/aidl/android/hardware/camera2/ICameraDeviceUser.aidl
@@ -155,4 +155,20 @@
     void updateOutputConfiguration(int streamId, in OutputConfiguration outputConfiguration);
 
     void finalizeOutputConfigurations(int streamId, in OutputConfiguration outputConfiguration);
+
+
+    // Keep in sync with public API in
+    // frameworks/base/core/java/android/hardware/camera2/CameraDevice.java
+    const int AUDIO_RESTRICTION_NONE = 0;
+    const int AUDIO_RESTRICTION_VIBRATION = 1;
+    const int AUDIO_RESTRICTION_VIBRATION_SOUND = 3;
+
+    /**
+      * Set audio restriction mode for this camera device.
+      *
+      * @param mode the audio restriction mode ID as above
+      *
+      * @return the resulting system-wide audio restriction mode
+      */
+    int setCameraAudioRestriction(int mode);
 }
diff --git a/camera/include/camera/Camera.h b/camera/include/camera/Camera.h
index 430aa1c..9800bb7 100644
--- a/camera/include/camera/Camera.h
+++ b/camera/include/camera/Camera.h
@@ -167,6 +167,8 @@
 
             sp<ICameraRecordingProxy> getRecordingProxy();
 
+            int32_t      setAudioRestriction(int32_t mode);
+
     // ICameraClient interface
     virtual void        notifyCallback(int32_t msgType, int32_t ext, int32_t ext2);
     virtual void        dataCallback(int32_t msgType, const sp<IMemory>& dataPtr,
diff --git a/camera/include/camera/android/hardware/ICamera.h b/camera/include/camera/android/hardware/ICamera.h
index 80823d6..eba9efe 100644
--- a/camera/include/camera/android/hardware/ICamera.h
+++ b/camera/include/camera/android/hardware/ICamera.h
@@ -140,6 +140,9 @@
     // Set the video buffer producer for camera to use in VIDEO_BUFFER_MODE_BUFFER_QUEUE mode.
     virtual status_t        setVideoTarget(
             const sp<IGraphicBufferProducer>& bufferProducer) = 0;
+
+    // Set the audio restriction mode
+    virtual int32_t         setAudioRestriction(int32_t mode) = 0;
 };
 
 // ----------------------------------------------------------------------------