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// Copyright 2019 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <fuchsia/camera2/cpp/fidl.h>
#include <fuchsia/hardware/gdc/cpp/banjo.h>
#include "src/camera/drivers/controller/configs/product_config.h"
#include "src/camera/drivers/controller/memory_allocation.h"
#include "src/camera/drivers/controller/processing_node.h"
#include "src/camera/drivers/controller/stream_pipeline_info.h"
#include "src/camera/drivers/controller/util.h"
// |GdcNode| represents a |ProcessNode| which would talk to the
// GDC driver.
namespace camera {
class GdcNode : public ProcessNode {
GdcNode(async_dispatcher_t* dispatcher, BufferAttachments attachments,
FrameCallback frame_callback, const ddk::GdcProtocolClient& gdc);
// Creates a |GdcNode| object.
// Args:
// |memory_allocator| : Memory allocator object to allocate memory using sysmem.
// |dispatcher| : Dispatcher on which GDC tasks can be queued up.
// |device| : Device pointer to get the GDC configs from DDK.
// |gdc| : GDC protocol to talk to the driver.
// |info| : StreamCreationData for the requested stream.
// |parent_node| : pointer to the node to which we need to append this |OutputNode|.
// |internal_output_node| : InternalConfigNode corresponding to this node.
static fpromise::result<std::unique_ptr<ProcessNode>, zx_status_t> Create(
async_dispatcher_t* dispatcher, BufferAttachments attachments, FrameCallback frame_callback,
const LoadFirmwareCallback& load_firmware, const ddk::GdcProtocolClient& gdc,
const InternalConfigNode& internal_gdc_node, const StreamCreationData& info);
// ProcessNode method implementations.
void ProcessFrame(FrameToken token, frame_metadata_t metadata) override;
void SetOutputFormat(uint32_t output_format_index, fit::closure callback) override;
void ShutdownImpl(fit::closure callback) override;
// fuchsia.hardware.camerahwaccel.*Callback implementations.
void HwFrameReady(frame_available_info_t info) override;
void HwFrameResolutionChanged(frame_available_info_t info) override;
void HwTaskRemoved(task_remove_status_t status) override;
// Protocol to talk to the GDC driver.
ddk::GdcProtocolClient gdc_;
// Task index for this node.
uint32_t task_index_;
std::queue<FrameToken> input_frame_queue_;
fit::closure shutdown_callback_;
fit::closure format_callback_;
} // namespace camera