Sebastian
90 lines
3.1 KiB
C++
90 lines
3.1 KiB
C++
#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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#include <string_view>
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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 input_configuration& configuration, const input_api_configuration&)
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{
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libremidi_handle_warning(configuration, "This class provides no functionality.");
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}
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explicit midi_in_dummy(
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const ump_input_configuration& configuration, const input_api_configuration&)
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{
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libremidi_handle_warning(configuration, "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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stdx::error open_port(const input_port& /*pt*/, std::string_view /*local_port_name*/) override
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{
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return stdx::error{};
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}
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stdx::error open_virtual_port(std::string_view /*portName*/) override { return stdx::error{}; }
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stdx::error close_port() override { return stdx::error{}; }
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stdx::error set_port_name(std::string_view /*portName*/) override { return stdx::error{}; }
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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(
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const output_configuration& configuration, const output_api_configuration&)
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{
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libremidi_handle_warning(configuration, "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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stdx::error open_port(const output_port& /*pt*/, std::string_view /*local_port_name*/) override
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{
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return stdx::error{};
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}
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stdx::error open_virtual_port(std::string_view /*portName*/) override { return stdx::error{}; }
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stdx::error close_port() override { return stdx::error{}; }
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stdx::error set_port_name(std::string_view /*portName*/) override { return stdx::error{}; }
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stdx::error send_message(const unsigned char* /*message*/, size_t /*size*/) override
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{
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return stdx::error{};
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}
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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 std::string_view name = "dummy";
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static const constexpr std::string_view 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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