From 132d99bc8fac63d7473de6f62f7860b149f8e1c2 Mon Sep 17 00:00:00 2001 From: Jacopo Mondi Date: Sun, 15 Sep 2019 17:30:26 +0300 Subject: ipa: Switch to the plain C API MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Switch IPA communication to the plain C API. As the IPAInterface class is easier to use for pipeline handlers than a plain C API, retain it and add an IPAContextWrapper that translate between the C++ and the C APIs. On the IPA module side usage of IPAInterface may be desired for IPAs implemented in C++ that want to link to libcamera. For those IPAs, a new IPAInterfaceWrapper helper class is introduced to wrap the IPAInterface implemented internally by the IPA module into an ipa_context, ipa_context_ops and ipa_callback_ops. Signed-off-by: Jacopo Mondi Signed-off-by: Laurent Pinchart Reviewed-by: Niklas Söderlund --- src/ipa/libipa/ipa_interface_wrapper.h | 56 ++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 src/ipa/libipa/ipa_interface_wrapper.h (limited to 'src/ipa/libipa/ipa_interface_wrapper.h') diff --git a/src/ipa/libipa/ipa_interface_wrapper.h b/src/ipa/libipa/ipa_interface_wrapper.h new file mode 100644 index 00000000..17be2062 --- /dev/null +++ b/src/ipa/libipa/ipa_interface_wrapper.h @@ -0,0 +1,56 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * Copyright (C) 2019, Google Inc. + * + * ipa_interface_wrapper.h - Image Processing Algorithm interface wrapper + */ +#ifndef __LIBCAMERA_IPA_INTERFACE_WRAPPER_H__ +#define __LIBCAMERA_IPA_INTERFACE_WRAPPER_H__ + +#include + +#include + +#include "control_serializer.h" + +namespace libcamera { + +class IPAInterfaceWrapper : public ipa_context +{ +public: + IPAInterfaceWrapper(std::unique_ptr interface); + +private: + static void destroy(struct ipa_context *ctx); + static void init(struct ipa_context *ctx); + static void register_callbacks(struct ipa_context *ctx, + const struct ipa_callback_ops *callbacks, + void *cb_ctx); + static void configure(struct ipa_context *ctx, + const struct ipa_stream *streams, + unsigned int num_streams, + const struct ipa_control_info_map *maps, + unsigned int num_maps); + static void map_buffers(struct ipa_context *ctx, + const struct ipa_buffer *c_buffers, + size_t num_buffers); + static void unmap_buffers(struct ipa_context *ctx, + const unsigned int *ids, + size_t num_buffers); + static void process_event(struct ipa_context *ctx, + const struct ipa_operation_data *data); + + static const struct ipa_context_ops operations_; + + void queueFrameAction(unsigned int frame, const IPAOperationData &data); + + std::unique_ptr ipa_; + const struct ipa_callback_ops *callbacks_; + void *cb_ctx_; + + ControlSerializer serializer_; +}; + +} /* namespace libcamera */ + +#endif /* __LIBCAMERA_IPA_INTERFACE_WRAPPER_H__ */ -- cgit v1.2.1