87 lines
2.2 KiB
C++
87 lines
2.2 KiB
C++
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#pragma once
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#include <libremidi/backends/kdmapi/config.hpp>
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#include <libremidi/backends/kdmapi/helpers.hpp>
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#include <libremidi/detail/observer.hpp>
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namespace libremidi::kdmapi
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{
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class observer final : public observer_api
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{
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public:
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struct
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: libremidi::observer_configuration
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, kdmapi::observer_configuration
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{
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} configuration;
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explicit observer(
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libremidi::observer_configuration&& conf, kdmapi::observer_configuration&& apiconf)
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: configuration{std::move(conf), std::move(apiconf)}
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{
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if (!configuration.has_callbacks())
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return;
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auto& loader = kdmapi_loader::instance();
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if (!loader.is_available())
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return;
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// KDMAPI provides a single virtual output port
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if (configuration.notify_in_constructor)
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{
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if (configuration.output_added)
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{
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auto ports = get_output_ports();
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for (const auto& port : ports)
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configuration.output_added(port);
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}
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}
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}
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~observer() = default;
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libremidi::API get_current_api() const noexcept override { return libremidi::API::KDMAPI; }
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std::vector<libremidi::input_port> get_input_ports() const noexcept override
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{
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// KDMAPI does not provide input ports
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return {};
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}
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std::vector<libremidi::output_port> get_output_ports() const noexcept override
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{
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auto& loader = kdmapi_loader::instance();
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if (!loader.is_available())
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return {};
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// Get KDMAPI version for display name
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std::string display_name = "OmniMIDI";
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if (loader.ReturnKDMAPIVer)
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{
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DWORD major{}, minor{}, build{}, rev{};
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if (loader.ReturnKDMAPIVer(&major, &minor, &build, &rev))
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{
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display_name += " (KDMAPI ";
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display_name += std::to_string(major);
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display_name += ".";
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display_name += std::to_string(minor);
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display_name += ".";
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display_name += std::to_string(build);
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display_name += ")";
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}
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}
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return {libremidi::output_port{
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{.api = libremidi::API::KDMAPI,
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.client = 0,
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.port = 0,
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.manufacturer = "KeppySoftware",
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.device_name = "OmniMIDI",
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.port_name = "OmniMIDI",
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.display_name = std::move(display_name)},
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}};
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}
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};
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}
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