diff options
Diffstat (limited to 'Documentation/guides/application-developer.rst')
| -rw-r--r-- | Documentation/guides/application-developer.rst | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/Documentation/guides/application-developer.rst b/Documentation/guides/application-developer.rst index 442d8e6a..ce093cbe 100644 --- a/Documentation/guides/application-developer.rst +++ b/Documentation/guides/application-developer.rst @@ -61,11 +61,15 @@ variable for the camera to support the event call back later: std::shared_ptr<Camera> camera; Create a Camera Manager instance at the beginning of the main function, and then -start it. An application should only create a single Camera Manager instance. +start it. An application must only create a single Camera Manager instance. + +The CameraManager can be stored in a unique_ptr to automate deleting the +instance when it is no longer used, but care must be taken to ensure all +cameras are released explicitly before this happens. .. code:: cpp - CameraManager *cm = new CameraManager(); + std::unique_ptr<CameraManager> cm = std::make_unique<CameraManager>(); cm->start(); During the application initialization, the Camera Manager is started to @@ -560,6 +564,9 @@ uses, so needs to do the following: return 0; +In this instance the CameraManager will automatically be deleted by the +unique_ptr implementation when it goes out of scope. + Build and run instructions -------------------------- |