Files
viseq/include/libremidi/detail/midi_out.hpp
T

90 lines
2.2 KiB
C++

#pragma once
#include <libremidi/detail/conversion.hpp>
#include <libremidi/detail/midi_api.hpp>
#include <libremidi/error_handler.hpp>
#include <libremidi/output_configuration.hpp>
#include <string_view>
NAMESPACE_LIBREMIDI
{
class midi_out_api : public midi_api
{
public:
midi_out_api() = default;
~midi_out_api() override = default;
midi_out_api(const midi_out_api&) = delete;
midi_out_api(midi_out_api&&) = delete;
midi_out_api& operator=(const midi_out_api&) = delete;
midi_out_api& operator=(midi_out_api&&) = delete;
[[nodiscard]] virtual stdx::error
open_port(const output_port& pt, std::string_view local_port_name)
= 0;
[[nodiscard]] virtual int64_t current_time() const noexcept { return 0; }
virtual stdx::error send_message(const unsigned char* message, std::size_t size) = 0;
virtual stdx::error
schedule_message(int64_t /*ts*/, const unsigned char* message, std::size_t size)
{
return send_message(message, size);
}
virtual stdx::error send_ump(const uint32_t* message, std::size_t size) = 0;
virtual stdx::error schedule_ump(int64_t /*ts*/, const uint32_t* ump, std::size_t size)
{
return send_ump(ump, size);
}
};
namespace midi1
{
class out_api : public midi_out_api
{
friend struct midi_stream_decoder;
public:
using midi_out_api::midi_out_api;
stdx::error send_ump(const uint32_t* message, std::size_t size)
{
return converter.convert(
message, size, 0, [this](const unsigned char* midi, std::size_t n, int64_t /* ts */) {
return send_message(midi, n);
});
}
midi2_to_midi1 converter;
};
}
namespace midi2
{
class out_api : public midi_out_api
{
friend struct midi_stream_decoder;
public:
using midi_out_api::midi_out_api;
stdx::error send_message(const unsigned char* message, std::size_t size)
{
return converter.convert(
message, size, 0, [this](const uint32_t* ump, std::size_t count, int64_t /* ts */) {
return send_ump(ump, count);
});
}
midi1_to_midi2 converter;
};
}
template <typename T, typename Arg>
std::unique_ptr<midi_out_api> make(libremidi::output_configuration&& conf, Arg&& arg)
{
return std::make_unique<T>(std::move(conf), std::forward<Arg>(arg));
}
}