/* This file is part of Evoral.
- * Copyright (C) 2008 Dave Robillard <http://drobilla.net>
+ * Copyright (C) 2008 David Robillard <http://drobilla.net>
* Copyright (C) 2000-2008 Paul Davis
*
* Evoral is free software; you can redistribute it and/or modify it under the
#ifndef EVORAL_EVENT_HPP
#define EVORAL_EVENT_HPP
-#include <stdint.h>
#include <cstdlib>
#include <cstring>
#include <sstream>
-#include <assert.h>
+#include <stdint.h>
+
+#include "evoral/visibility.h"
#include "evoral/types.hpp"
/** If this is not defined, all methods of MidiEvent are RT safe
namespace Evoral {
-event_id_t event_id_counter();
-event_id_t next_event_id();
-void init_event_id_counter (event_id_t n);
+LIBEVORAL_API event_id_t event_id_counter();
+LIBEVORAL_API event_id_t next_event_id();
+LIBEVORAL_API void init_event_id_counter(event_id_t n);
/** An event (much like a type generic jack_midi_event_t)
*
* Template parameter Time is the type of the time stamp used for this event.
*/
template<typename Time>
-struct Event {
+class LIBEVORAL_API Event {
+public:
#ifdef EVORAL_EVENT_ALLOC
- Event (EventType type=0, Time time=0, uint32_t size=0, uint8_t* buf=NULL, bool alloc=false);
+ Event (EventType type=0, Time time=Time(), uint32_t size=0, uint8_t* buf=NULL, bool alloc=false);
+
+ Event (EventType type, Time time, uint32_t size, const uint8_t* buf);
/** Copy \a copy.
*
*/
Event(const Event& copy, bool alloc);
- ~Event();
+ ~Event();
- inline const Event& operator=(const Event& copy) {
- _id = copy.id(); // XXX is this right? do we want ID copy semantics?
- _type = copy._type;
- _original_time = copy._original_time;
- _nominal_time = copy._nominal_time;
- if (_owns_buf) {
- if (copy._buf) {
- if (copy._size > _size) {
- _buf = (uint8_t*)::realloc(_buf, copy._size);
- }
- memcpy(_buf, copy._buf, copy._size);
- } else {
- free(_buf);
- _buf = NULL;
- }
- } else {
- _buf = copy._buf;
- }
-
- _size = copy._size;
- return *this;
- }
-
- inline void set(uint8_t* buf, uint32_t size, Time t) {
- if (_owns_buf) {
- if (_size < size) {
- _buf = (uint8_t*) ::realloc(_buf, size);
- }
- memcpy (_buf, buf, size);
- } else {
- _buf = buf;
- }
+ void assign (const Event& other);
- _original_time = t;
- _nominal_time = t;
- _size = size;
- }
+ void set(const uint8_t* buf, uint32_t size, Time t);
inline bool operator==(const Event& other) const {
if (_type != other._type)
inline bool owns_buffer() const { return _owns_buf; }
+ /** set event data (e.g. midi data)
+ * @param size number of bytes
+ * @param buf raw 8bit data
+ * @param own set to true if the buffer owns the data (copy, allocate/free) or false to reference previously allocated data.
+ */
inline void set_buffer(uint32_t size, uint8_t* buf, bool own) {
if (_owns_buf) {
free(_buf);
}
inline void clear() {
- _type = 0;
- _original_time = 0;
- _nominal_time = 0;
- _size = 0;
- _buf = NULL;
+ _type = 0;
+ _original_time = Time();
+ _nominal_time = Time();
+ _size = 0;
+ _buf = NULL;
}
#else
#endif // EVORAL_EVENT_ALLOC
- inline EventType event_type() const { return _type; }
- inline void set_event_type(EventType t) { _type = t; }
- inline Time time() const { return _nominal_time; }
- inline Time& time() { return _nominal_time; }
- inline Time original_time() const { return _original_time; }
- inline Time& original_time() { return _original_time; }
- inline uint32_t size() const { return _size; }
- inline uint32_t& size() { return _size; }
+ inline EventType event_type() const { return _type; }
+ inline Time time() const { return _nominal_time; }
+ inline Time original_time() const { return _original_time; }
+ inline uint32_t size() const { return _size; }
+ inline const uint8_t* buffer() const { return _buf; }
+ inline uint8_t* buffer() { return _buf; }
- inline const uint8_t* buffer() const { return _buf; }
- inline uint8_t*& buffer() { return _buf; }
+ inline void set_event_type(EventType t) { _type = t; }
- void set_time (Time);
- void set_original_time (Time);
+ void set_time(Time);
+ void set_original_time(Time);
- inline event_id_t id() const { return _id; }
- inline void set_id (event_id_t n) { _id = n; }
+ inline event_id_t id() const { return _id; }
+ inline void set_id(event_id_t n) { _id = n; }
protected:
- EventType _type; /**< Type of event (application relative, NOT MIDI 'type') */
- Time _original_time; /**< Sample index (or beat time) at which event is valid */
- Time _nominal_time; /**< Quantized version of _time, used in preference */
- uint32_t _size; /**< Number of uint8_ts of data in \a buffer */
- uint8_t* _buf; /**< Raw MIDI data */
-
+ EventType _type; /**< Type of event (application relative, NOT MIDI 'type') */
+ Time _original_time; /**< Sample index (or beat time) at which event is valid */
+ Time _nominal_time; /**< Quantized version of _time, used in preference */
+ uint32_t _size; /**< Number of uint8_ts of data in \a buffer */
+ uint8_t* _buf; /**< Raw MIDI data */
+ event_id_t _id; /** UUID for each event, should probably be 64bit or at least unsigned */
#ifdef EVORAL_EVENT_ALLOC
- bool _owns_buf; /**< Whether buffer is locally allocated */
+ bool _owns_buf; /**< Whether buffer is locally allocated */
#endif
- event_id_t _id; /** UUID for each event, should probably be 64bit or at least unsigned */
};
-} // namespace Evoral
-
-
template<typename Time>
-std::ostream& operator<<(std::ostream& o, const Evoral::Event<Time>& ev) {
+/*LIBEVORAL_API*/ std::ostream& operator<<(std::ostream& o, const Evoral::Event<Time>& ev) {
o << "Event #" << ev.id() << " type = " << ev.event_type() << " @ " << ev.time();
o << std::hex;
for (uint32_t n = 0; n < ev.size(); ++n) {
return o;
}
+} // namespace Evoral
#endif // EVORAL_EVENT_HPP
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