81 lines
2.7 KiB
C++
81 lines
2.7 KiB
C++
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#pragma once
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#include <libremidi/configurations.hpp>
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#include <libremidi/detail/midi_api.hpp>
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#include <libremidi/detail/midi_in.hpp>
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#include <libremidi/detail/midi_out.hpp>
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#include <libremidi/detail/observer.hpp>
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namespace libremidi
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{
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class observer_dummy : public observer_api
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{
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public:
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explicit observer_dummy(const auto& /*configuration*/, const auto&) { }
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~observer_dummy() { }
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libremidi::API get_current_api() const noexcept override { return libremidi::API::DUMMY; }
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std::vector<libremidi::input_port> get_input_ports() const noexcept override { return {}; }
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std::vector<libremidi::output_port> get_output_ports() const noexcept override { return {}; }
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};
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class midi_in_dummy final
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: public midi1::in_api
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, public error_handler
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{
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public:
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explicit midi_in_dummy(const auto& configuration, const auto&)
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{
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warning(configuration, "midi_in_dummy: This class provides no functionality.");
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}
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libremidi::API get_current_api() const noexcept override { return libremidi::API::DUMMY; }
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bool open_port(const input_port& /*pt*/, std::string_view /*local_port_name*/) override
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{
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return true;
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}
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bool open_virtual_port(std::string_view /*portName*/) override { return true; }
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void close_port() override { }
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void set_client_name(std::string_view /*clientName*/) override { }
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void set_port_name(std::string_view /*portName*/) override { }
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timestamp absolute_timestamp() const noexcept override { return 0; }
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};
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class midi_out_dummy final
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: public midi1::out_api
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, public error_handler
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{
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public:
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explicit midi_out_dummy(const auto& configuration, const auto&)
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{
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warning(configuration, "midi_out_dummy: This class provides no functionality.");
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}
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libremidi::API get_current_api() const noexcept override { return libremidi::API::DUMMY; }
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bool open_port(const output_port& /*pt*/, std::string_view /*local_port_name*/) override
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{
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return true;
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}
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bool open_virtual_port(std::string_view /*portName*/) override { return true; }
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void close_port() override { }
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void set_client_name(std::string_view /*clientName*/) override { }
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void set_port_name(std::string_view /*portName*/) override { }
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void send_message(const unsigned char* /*message*/, size_t /*size*/) override { }
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};
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struct dummy_backend
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{
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using midi_in = midi_in_dummy;
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using midi_out = midi_out_dummy;
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using midi_observer = observer_dummy;
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using midi_in_configuration = dummy_configuration;
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using midi_out_configuration = dummy_configuration;
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using midi_observer_configuration = dummy_configuration;
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static const constexpr auto API = libremidi::API::DUMMY;
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static const constexpr auto name = "dummy";
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static const constexpr auto display_name = "Dummy";
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static constexpr inline bool available() noexcept { return true; }
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};
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}
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