libcamera: Add new libcamera source

Provide the integration of a libcamera source within uvc-gadget.
This adds C++ support to the project and adds libcamera as an
optional external dependency.

Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>

1 files changed, 29 insertions, 0 deletions

diff --git a/include/uvcgadget/libcamera-source.h b/include/uvcgadget/libcamera-source.h
new file mode 100644
index 0000000..8e08dcd
--- /dev/null
+++ b/include/uvcgadget/libcamera-source.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * libcamera video source
+ *
+ * Copyright (C) 2022 Ideas on Board Oy.
+ * Copyright (C) 2022 Kieran Bingham
+ *
+ * Contact: Kieran Bingham <kieran.bingham@ideasonboard.com>
+ */
+#ifndef __LIBCAMERA_SOURCE_H__
+#define __LIBCAMERA_SOURCE_H__
+
+#include "video-source.h"
+
+struct events;
+struct video_source;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct video_source *libcamera_source_create(const char *devname);
+void libcamera_source_init(struct video_source *src, struct events *events);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif /* __LIBCAMERA_SOURCE_H__ */