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 +1,65 @@
+#ifndef LCAMERA_BUFF_YUV_STIM_PRODUCER_H
+#define LCAMERA_BUFF_YUV_STIM_PRODUCER_H
+
+#include <cameraModeRequest.h>
+#include <lcameraDev.h>
+#include <lcameraBuffParams.h>
+#include <user/stimulusProducer.h>
+#include <yuvCaptureLayout.h>
+#include <pixelAndColorFormatDecisions.h>
+#include <memory>
+#include <string>
+
+namespace smo {
+namespace stim_buff {
+namespace lcamera_buff {
+
+class YuvChannelStimulusBuffer;
+
+class YuvStimProducer
+:	public StimulusProducer
+{
+public:
+	YuvStimProducer(
+		const std::shared_ptr<device::DeviceAttachmentSpec>& deviceAttachmentSpec,
+		boost::asio::io_context& ioContext,
+		const std::shared_ptr<lcamera_dev::CameraSession>& deviceSession,
+		const lcamera_dev::CameraIdentityRecord& resolvedIdentity,
+		const LcameraBuffParsedParams& parsedParams,
+		const lcamera_dev::LcameraDevConfiguredCameraMode& configuredMode);
+
+	static bool supportsQualeIfaceApi(const std::string& qualeIfaceApi);
+
+	bool exportsQualeIfaceApi(
+		const std::string& qualeIfaceApi) const override;
+
+	std::shared_ptr<StimulusBuffer> getOrCreateAttachedStimulusBuffer(
+		const std::shared_ptr<device::DeviceAttachmentSpec>&
+			deviceAttachmentSpec) override;
+
+	void destroyAttachedStimulusBuffer(
+		const std::shared_ptr<StimulusBuffer>& buffer) override;
+
+	void start() override;
+	void stop() override;
+
+protected:
+	sscl::co::ViralNonPostingInvoker<void>
+		stimFrameProductionTimesliceCInd(
+			sscl::SyncCancelerForAsyncWork& canceler) override;
+
+public:
+	std::shared_ptr<lcamera_dev::CameraSession> deviceSession;
+	std::string resolvedCameraId;
+	LcameraBuffParsedParams parsedParams;
+	lcamera_dev::LcameraDevConfiguredCameraMode configuredMode;
+	YuvCaptureLayoutPath layoutPath;
+	YuvChromaSubsampling chromaSubsampling;
+	YuvChannelBackingPlan channelBackingPlan;
+};
+
+} // namespace lcamera_buff
+} // namespace stim_buff
+} // namespace smo
+
+#endif // LCAMERA_BUFF_YUV_STIM_PRODUCER_H