#include <iostream>
#include <algorithm>
+
+#include "evoral/EventRingBuffer.hpp"
+
#include "ardour/types.h"
#include "ardour/buffer.h"
-#include "evoral/EventRingBuffer.hpp"
+#include "ardour/midi_state_tracker.h"
namespace ARDOUR {
inline bool read_prefix(T* time, Evoral::EventType* type, uint32_t* size);
inline bool read_contents(uint32_t size, uint8_t* buf);
- size_t read(MidiBuffer& dst, framepos_t start, framepos_t end, framecnt_t offset=0);
+ size_t read(MidiBuffer& dst, framepos_t start, framepos_t end, framecnt_t offset=0, bool stop_on_overflow_in_destination=false);
void dump(std::ostream& dst);
/** Set the channel filtering mode.
return g_atomic_int_get(&_channel_mask) & 0x0000FFFF;
}
+ void reset_tracker ();
+
protected:
inline bool is_channel_event(uint8_t event_type_byte) {
// mask out channel information
return (0x80 <= event_type_byte) && (event_type_byte <= 0xE0);
}
+ inline bool is_note_on(uint8_t event_type_byte) {
+ // mask out channel information
+ return (event_type_byte & 0xF0) == MIDI_CMD_NOTE_ON;
+ }
+
+ inline bool is_note_off(uint8_t event_type_byte) {
+ // mask out channel information
+ return (event_type_byte & 0xF0) == MIDI_CMD_NOTE_OFF;
+ }
+
private:
volatile uint32_t _channel_mask; // 16 bits mode, 16 bits mask
+ MidiStateTracker _tracker;
};
inline bool
MidiRingBuffer<T>::read_prefix(T* time, Evoral::EventType* type, uint32_t* size)
{
- bool success = Evoral::EventRingBuffer<T>::full_read(sizeof(T), (uint8_t*)time);
- if (success)
- success = Evoral::EventRingBuffer<T>::full_read(sizeof(Evoral::EventType), (uint8_t*)type);
- if (success)
- success = Evoral::EventRingBuffer<T>::full_read(sizeof(uint32_t), (uint8_t*)size);
+ if (PBD::RingBufferNPT<uint8_t>::read((uint8_t*)time, sizeof(T)) != sizeof (T)) {
+ return false;
+ }
+
+ if (PBD::RingBufferNPT<uint8_t>::read((uint8_t*)type, sizeof(Evoral::EventType)) != sizeof (Evoral::EventType)) {
+ return false;
+ }
+
+ if (PBD::RingBufferNPT<uint8_t>::read((uint8_t*)size, sizeof(uint32_t)) != sizeof (uint32_t)) {
+ return false;
+ }
- return success;
+ return true;
}
inline bool
MidiRingBuffer<T>::read_contents(uint32_t size, uint8_t* buf)
{
- return Evoral::EventRingBuffer<T>::full_read(size, buf);
+ return PBD::RingBufferNPT<uint8_t>::read(buf, size) == size;
}