Sebastian @ HfG
60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
#pragma once
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// clang-format off
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#include <libremidi/config.hpp>
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// clang-format on
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#include <libremidi/cmidi2.hpp>
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#include <libremidi/error.hpp>
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#include <libremidi/message.hpp>
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#include <libremidi/ump.hpp>
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namespace libremidi
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{
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struct midi1_to_midi2
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{
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stdx::error
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convert(const unsigned char* message, std::size_t size, int64_t timestamp, auto on_ump)
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{
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context.midi1 = const_cast<unsigned char*>(message);
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context.midi1_num_bytes = size;
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context.midi1_proceeded_bytes = 0;
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context.ump = ump;
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context.ump_num_bytes = sizeof(ump);
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context.ump_proceeded_bytes = 0;
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if (auto res = cmidi2_convert_midi1_to_ump(&context); res != CMIDI2_CONVERSION_RESULT_OK)
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return std::errc::invalid_argument;
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return on_ump(context.ump, context.ump_proceeded_bytes / 4, timestamp);
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}
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cmidi2_midi_conversion_context context = [] {
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cmidi2_midi_conversion_context tmp;
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cmidi2_midi_conversion_context_initialize(&tmp);
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return tmp;
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}();
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uint32_t ump[65536 / 4];
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};
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struct midi2_to_midi1
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{
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stdx::error
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convert(const uint32_t* message, std::size_t /* size */, int64_t timestamp, auto on_midi)
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{
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auto n
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= cmidi2_convert_single_ump_to_midi1(midi, sizeof(midi), const_cast<uint32_t*>(message));
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if (n > 0)
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return on_midi(midi, n, timestamp);
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else
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return std::errc::no_buffer_space;
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}
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cmidi2_midi_conversion_context context = [] {
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cmidi2_midi_conversion_context tmp;
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cmidi2_midi_conversion_context_initialize(&tmp);
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return tmp;
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}();
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uint8_t midi[65536];
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};
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}
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