Change camera interface to support multiple cameras.

Change-Id: Ie88fe706d2278acf762eca87780de349434778a4

1 files changed, 22 insertions, 0 deletions

diff --git a/camera/ICameraService.cpp b/camera/ICameraService.cpp
index db1dca6..85f1a29 100644
--- a/camera/ICameraService.cpp
+++ b/camera/ICameraService.cpp
@@ -43,6 +43,18 @@ public:
         return reply.readInt32();
     }
 
+    // get information about a camera
+    virtual status_t getCameraInfo(int cameraId,
+                                   struct CameraInfo* cameraInfo) {
+        Parcel data, reply;
+        data.writeInterfaceToken(ICameraService::getInterfaceDescriptor());
+        data.writeInt32(cameraId);
+        remote()->transact(BnCameraService::GET_CAMERA_INFO, data, &reply);
+        cameraInfo->facing = reply.readInt32();
+        cameraInfo->orientation = reply.readInt32();
+        return reply.readInt32();
+    }
+
     // connect to camera service
     virtual sp<ICamera> connect(const sp<ICameraClient>& cameraClient, int cameraId)
     {
@@ -68,6 +80,16 @@ status_t BnCameraService::onTransact(
             reply->writeInt32(getNumberOfCameras());
             return NO_ERROR;
         } break;
+        case GET_CAMERA_INFO: {
+            CHECK_INTERFACE(ICameraService, data, reply);
+            CameraInfo cameraInfo;
+            memset(&cameraInfo, 0, sizeof(cameraInfo));
+            status_t result = getCameraInfo(data.readInt32(), &cameraInfo);
+            reply->writeInt32(cameraInfo.facing);
+            reply->writeInt32(cameraInfo.orientation);
+            reply->writeInt32(result);
+            return NO_ERROR;
+        } break;
         case CONNECT: {
             CHECK_INTERFACE(ICameraService, data, reply);
             sp<ICameraClient> cameraClient = interface_cast<ICameraClient>(data.readStrongBinder());