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Add IMIDIPort, initial ALSA midiport implementation

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This commit is contained in:
Jack Andersen
2016-05-18 16:18:52 -10:00
parent ceff1934c1
commit 8ff2b9c404
5 changed files with 172 additions and 21 deletions
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23
include/boo/audiodev/IAudioVoiceEngine.hpp
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@@ -3,7 +3,9 @@
#include "IAudioVoice.hpp"
#include "IAudioSubmix.hpp"
#include "IMIDIPort.hpp"
#include <memory>
#include <vector>
namespace boo
{
@@ -38,6 +40,27 @@ struct IAudioVoiceEngine
/** Ensure backing platform buffer is filled as much as possible with mixed samples */
virtual void pumpAndMixVoices()=0;
/** Get list of MIDI devices found on system */
virtual std::vector<std::string> enumerateMIDIDevices() const=0;
/** Create ad-hoc MIDI in port and register with system */
virtual std::unique_ptr<IMIDIIn> newVirtualMIDIIn()=0;
/** Create ad-hoc MIDI out port and register with system */
virtual std::unique_ptr<IMIDIOut> newVirtualMIDIOut()=0;
/** Create ad-hoc MIDI in/out port and register with system */
virtual std::unique_ptr<IMIDIInOut> newVirtualMIDIInOut()=0;
/** Open named MIDI in port, name format depends on OS */
virtual std::unique_ptr<IMIDIIn> newRealMIDIIn(const char* name)=0;
/** Open named MIDI out port, name format depends on OS */
virtual std::unique_ptr<IMIDIOut> newRealMIDIOut(const char* name)=0;
/** Open named MIDI in/out port, name format depends on OS */
virtual std::unique_ptr<IMIDIInOut> newRealMIDIInOut(const char* name)=0;
};
/** Construct host platform's voice engine */

38
include/boo/audiodev/IMIDIPort.hpp Normal file
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@@ -0,0 +1,38 @@
#ifndef BOO_IMIDIPORT_HPP
#define BOO_IMIDIPORT_HPP
#include <string>
namespace boo
{
class IMIDIPort
{
public:
virtual ~IMIDIPort() = default;
virtual bool isVirtual() const=0;
virtual std::string description() const=0;
};
class IMIDIIn : public IMIDIPort
{
public:
virtual size_t receive(void* buf, size_t len) const=0;
};
class IMIDIOut : public IMIDIPort
{
public:
virtual size_t send(const void* buf, size_t len) const=0;
};
class IMIDIInOut : public IMIDIPort
{
public:
virtual size_t send(const void* buf, size_t len) const=0;
virtual size_t receive(void* buf, size_t len) const=0;
};
}
#endif // BOO_IMIDIPORT_HPP