1 files changed, 10 insertions, 0 deletions
diff --git a/src/libcamera/include/pipeline_handler.h b/src/libcamera/include/pipeline_handler.h
index b4321f0f..7f2ec297 100644
--- a/src/libcamera/include/pipeline_handler.h
+++ b/src/libcamera/include/pipeline_handler.h
@@ -14,10 +14,12 @@
 
 namespace libcamera {
 
+class BufferPool;
 class Camera;
 class CameraManager;
 class DeviceEnumerator;
 class MediaDevice;
+class Request;
 class Stream;
 class StreamConfiguration;
 
@@ -45,6 +47,14 @@ public:
 	virtual int configureStreams(Camera *camera,
 				     std::map<Stream *, StreamConfiguration> &config) = 0;
 
+	virtual int allocateBuffers(Camera *camera, Stream *stream) = 0;
+	virtual int freeBuffers(Camera *camera, Stream *stream) = 0;
+
+	virtual int start(const Camera *camera) = 0;
+	virtual void stop(const Camera *camera) = 0;
+
+	virtual int queueRequest(const Camera *camera, Request *request) = 0;
+
 	virtual bool match(DeviceEnumerator *enumerator) = 0;
 
 protected: