#include "pbd/ringbuffer.h"
#include "ardour/types.h"
+#include "alsa_midi.h"
namespace ARDOUR {
-class AlsaRawMidiIO {
+class AlsaRawMidiIO : virtual public AlsaMidiIO {
public:
- AlsaRawMidiIO (const char *device, const bool input);
+ AlsaRawMidiIO (const std::string &name, const char *device, const bool input);
virtual ~AlsaRawMidiIO ();
- int state (void) const { return _state; }
- int start ();
- int stop ();
-
- void setup_timing (const size_t samples_per_period, const float samplerate);
- void sync_time(uint64_t);
-
- virtual void* main_process_thread () = 0;
-
protected:
- pthread_t _main_thread;
- pthread_mutex_t _notify_mutex;
- pthread_cond_t _notify_ready;
-
- int _state;
- bool _running;
-
snd_rawmidi_t *_device;
- int _npfds;
- struct pollfd *_pfds;
-
- double _sample_length_us;
- double _period_length_us;
- size_t _samples_per_period;
- uint64_t _clock_monotonic;
-
- struct MidiEventHeader {
- uint64_t time;
- size_t size;
- MidiEventHeader(const uint64_t t, const size_t s)
- : time(t)
- , size(s) {}
- };
-
- RingBuffer<uint8_t>* _rb;
private:
void init (const char *device_name, const bool input);
-
};
-class AlsaRawMidiOut : public AlsaRawMidiIO
+class AlsaRawMidiOut : public AlsaRawMidiIO, public AlsaMidiOut
{
public:
- AlsaRawMidiOut (const char *device);
-
+ AlsaRawMidiOut (const std::string &name, const char *device);
void* main_process_thread ();
- int send_event (const pframes_t, const uint8_t *, const size_t);
};
-class AlsaRawMidiIn : public AlsaRawMidiIO
+class AlsaRawMidiIn : public AlsaRawMidiIO, public AlsaMidiIn
{
public:
- AlsaRawMidiIn (const char *device);
+ AlsaRawMidiIn (const std::string &name, const char *device);
void* main_process_thread ();
- size_t recv_event (pframes_t &, uint8_t *, size_t &);
-
-private:
+protected:
int queue_event (const uint64_t, const uint8_t *, const size_t);
+private:
void parse_events (const uint64_t, const uint8_t *, const size_t);
bool process_byte (const uint64_t, const uint8_t);
}
bool prepare_buffered_event(const uint64_t time) {
- const bool result = !_unbuffered_bytes;
+ const bool result = _unbuffered_bytes == 0;
if (result) {
_event.prepare(time, _total_bytes);
}