Johanness
5b5ffa1308
- CMake build system with vcpkg dependency management - libdmf-node: Node interface, port definitions, WebSocket control server, node runner with MXL lifecycle management - libdmf-engine: Graph model (nodes/edges CRUD, serialization), FlowManager (UUID + V210 NMOS flow definitions), ProcessManager (fork/exec node processes), ApiServer (REST API for graph control) - Passthrough node: reads V210 grains from MXL, copies, writes to MXL - Unit tests for Graph and FlowManager (6 cases, 21 assertions) - MXL SDK as git submodule (symlinked from extern/mxl)
46 lines
1.2 KiB
C++
46 lines
1.2 KiB
C++
#pragma once
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#include <dmf-node/node.hpp>
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#include <mxl/flow.h>
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#include <unordered_map>
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#include <optional>
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namespace dmf_node {
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class PassthroughNode : public Node {
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public:
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PassthroughNode() = default;
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std::string type() const override { return "passthrough"; }
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std::vector<PortDef> input_ports() const override {
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return {{"video_in", PortDirection::Input, MediaType::VideoV210}};
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}
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std::vector<PortDef> output_ports() const override {
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return {{"video_out", PortDirection::Output, MediaType::VideoV210}};
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}
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void configure(const nlohmann::json& /*params*/) override {}
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void on_add_writer(const std::string& port_id, mxlFlowWriter writer) override;
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void on_add_reader(const std::string& port_id, mxlFlowReader reader) override;
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void on_remove_writer(const std::string& port_id) override;
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void on_remove_reader(const std::string& port_id) override;
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void process() override;
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nlohmann::json status() const override;
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private:
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std::optional<mxlFlowReader> reader_;
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std::optional<mxlFlowWriter> writer_;
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mxlInstance mxl_instance_ = nullptr;
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uint64_t read_index_ = 0;
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uint64_t write_index_ = 0;
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uint64_t grains_processed_ = 0;
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};
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} // namespace dmf_node
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