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-rw-r--r--include/libcamera/camera.h1
-rw-r--r--src/libcamera/camera.cpp22
2 files changed, 19 insertions, 4 deletions
diff --git a/include/libcamera/camera.h b/include/libcamera/camera.h
index bbe2696e..36bf1cbb 100644
--- a/include/libcamera/camera.h
+++ b/include/libcamera/camera.h
@@ -50,6 +50,7 @@ private:
friend class PipelineHandler;
void disconnect();
+ int exclusiveAccess();
std::shared_ptr<PipelineHandler> pipe_;
std::string name_;
diff --git a/src/libcamera/camera.cpp b/src/libcamera/camera.cpp
index e8dab6f0..62291d2c 100644
--- a/src/libcamera/camera.cpp
+++ b/src/libcamera/camera.cpp
@@ -241,16 +241,30 @@ Camera::streamConfiguration(std::vector<Stream *> &streams)
*/
int Camera::configureStreams(std::map<Stream *, StreamConfiguration> &config)
{
+ int ret;
+
+ ret = exclusiveAccess();
+ if (ret)
+ return ret;
+
+ if (!config.size()) {
+ LOG(Camera, Error)
+ << "Can't configure streams without a configuration";
+ return -EINVAL;
+ }
+
+ return pipe_->configureStreams(this, config);
+}
+
+int Camera::exclusiveAccess()
+{
if (disconnected_)
return -ENODEV;
if (!acquired_)
return -EACCES;
- if (!config.size())
- return -EINVAL;
-
- return pipe_->configureStreams(this, config);
+ return 0;
}
} /* namespace libcamera */