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-rw-r--r--src/libcamera/pipeline_handler.cpp15
1 files changed, 8 insertions, 7 deletions
diff --git a/src/libcamera/pipeline_handler.cpp b/src/libcamera/pipeline_handler.cpp
index dc55f8fa..1c864079 100644
--- a/src/libcamera/pipeline_handler.cpp
+++ b/src/libcamera/pipeline_handler.cpp
@@ -212,19 +212,20 @@ CameraData *PipelineHandler::cameraData(const Camera *camera)
* information with \a camera. Ownership of \a data is transferred to
* the PipelineHandler.
*
- * If pipeline-specific data has already been associated with the camera by a
- * previous call to this method, is it replaced by \a data and the previous data
- * are deleted, rendering all references to them invalid.
+ * Pipeline-specific data can only be set once. Any attempt to call
+ * this method after the first one with the same camera won't change
+ * the pipeline-specific data.
*
* The data can be retrieved by pipeline handlers using the cameraData() method.
*/
void PipelineHandler::setCameraData(const Camera *camera,
std::unique_ptr<CameraData> data)
{
- if (cameraData_.count(camera))
- LOG(Pipeline, Debug)
- << "Replacing data associated with "
- << camera->name();
+ if (cameraData_.find(camera) != cameraData_.end()) {
+ LOG(Pipeline, Error)
+ << "Replacing data associated with a camera is forbidden";
+ return;
+ }
cameraData_[camera] = std::move(data);
}