Add lcameraBuff Stage 2 plugin with YUV attach and unit tests.

Introduce params parsing, pixel/format decisions, capture layout, shared YuvStimProducer per camera, and channel stimulus buffers with attach flow. Co-authored-by: Cursor <cursoragent@cursor.com>
2026-06-14 11:03:19 -04:00
parent 809861be2b
commit e7b7a311f7
18 changed files with 1698 additions and 0 deletions
@@ -0,0 +1,59 @@
+#ifndef LCAMERA_BUFF_INTERNAL_H
+#define LCAMERA_BUFF_INTERNAL_H
+
+#include <lcameraDev.h>
+#include <memory>
+#include <user/deviceAttachmentSpec.h>
+#include <user/senseApiDesc.h>
+#include <vector>
+#include <spinscale/co/invokers.h>
+
+namespace smo::stim_buff::lcamera_buff {
+
+class YuvStimProducer;
+
+struct LcameraDevDllState
+{
+	struct DlCloser
+	{
+		void operator()(void *handle);
+	};
+
+	LcameraDevDllState();
+
+	std::unique_ptr<void, DlCloser> dlopenHandle;
+	lcameraDev_mainFn *lcameraDev_main;
+	lcameraDev_exitFn *lcameraDev_exit;
+	lcameraDev_getOrCreateDeviceCReqFn *lcameraDev_getOrCreateDeviceCReq;
+	lcameraDev_releaseDeviceCReqFn *lcameraDev_releaseDeviceCReq;
+	lcameraDev_configureSessionModeCReqFn *lcameraDev_configureSessionModeCReq;
+};
+
+extern const SmoCallbacks *lcameraBuffSmoHooksPtr;
+extern SmoThreadingModelDesc lcameraBuffThreadingModelDesc;
+extern LcameraDevDllState lcameraDevDll;
+extern std::vector<std::shared_ptr<YuvStimProducer>> attachedStimulusProducers;
+
+std::shared_ptr<YuvStimProducer> findStimProducerByCameraId(
+	const std::string& resolvedCameraId);
+
+bool validateAttachRequest(
+	const std::shared_ptr<device::DeviceAttachmentSpec>& spec);
+
+sscl::co::ViralNonPostingInvoker<int> lcameraBuff_initializeCInd();
+sscl::co::ViralNonPostingInvoker<int> lcameraBuff_finalizeCInd();
+
+sscl::co::DynamicViralPostingInvoker<StimBuffDeviceOpResult>
+lcameraBuff_attachDeviceCReq(
+	sscl::co::ExplicitPostTarget postTarget,
+	const std::shared_ptr<device::DeviceAttachmentSpec>& desc,
+	const std::shared_ptr<sscl::ComponentThread>& componentThread);
+
+sscl::co::DynamicViralPostingInvoker<StimBuffDeviceOpResult>
+lcameraBuff_detachDeviceCReq(
+	sscl::co::ExplicitPostTarget postTarget,
+	const std::shared_ptr<device::DeviceAttachmentSpec>& desc);
+
+} // namespace smo::stim_buff::lcamera_buff
+
+#endif // LCAMERA_BUFF_INTERNAL_H