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-rw-r--r--include/libcamera/buffer.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/include/libcamera/buffer.h b/include/libcamera/buffer.h
index 0b95e41a..e66e9c9c 100644
--- a/include/libcamera/buffer.h
+++ b/include/libcamera/buffer.h
@@ -11,6 +11,8 @@
#include <stdint.h>
#include <vector>
+#include <libcamera/file_descriptor.h>
+
namespace libcamera {
class Request;
@@ -33,6 +35,42 @@ struct FrameMetadata {
std::vector<Plane> planes;
};
+class FrameBuffer final
+{
+public:
+ struct Plane {
+ FileDescriptor fd;
+ unsigned int length;
+ };
+
+ FrameBuffer(const std::vector<Plane> &planes, unsigned int cookie = 0);
+
+ FrameBuffer(const FrameBuffer &) = delete;
+ FrameBuffer(FrameBuffer &&) = delete;
+
+ FrameBuffer &operator=(const FrameBuffer &) = delete;
+ FrameBuffer &operator=(FrameBuffer &&) = delete;
+
+ const std::vector<Plane> &planes() const { return planes_; }
+
+ Request *request() const { return request_; }
+ const FrameMetadata &metadata() const { return metadata_; };
+
+ unsigned int cookie() const { return cookie_; }
+ void setCookie(unsigned int cookie) { cookie_ = cookie; }
+
+private:
+ friend class Request; /* Needed to update request_. */
+ friend class V4L2VideoDevice; /* Needed to update metadata_. */
+
+ std::vector<Plane> planes_;
+
+ Request *request_;
+ FrameMetadata metadata_;
+
+ unsigned int cookie_;
+};
+
class Plane final
{
public: