/*
Copyright (C) 2006-2009 Paul Davis
- Author: Dave Robillard
+ Author: David Robillard
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the Free
#ifndef __ardour_midi_buffer_h__
#define __ardour_midi_buffer_h__
+#include "evoral/EventSink.hpp"
#include "evoral/midi_util.h"
+#include "evoral/types.hpp"
+
#include "midi++/event.h"
+
#include "ardour/buffer.h"
-#include "ardour/event_type_map.h"
+#include "ardour/parameter_types.h"
namespace ARDOUR {
/** Buffer containing 8-bit unsigned char (MIDI) data. */
-class MidiBuffer : public Buffer
+class LIBARDOUR_API MidiBuffer : public Buffer, public Evoral::EventSink<samplepos_t>
{
public:
- typedef framepos_t TimeType;
+ typedef samplepos_t TimeType;
MidiBuffer(size_t capacity);
~MidiBuffer();
- void silence (framecnt_t nframes, framecnt_t offset = 0);
- void read_from (const Buffer& src, framecnt_t nframes, framecnt_t dst_offset = 0, framecnt_t src_offset = 0);
- void merge_from (const Buffer& src, framecnt_t nframes, framecnt_t dst_offset = 0, framecnt_t src_offset = 0);
+ void silence (samplecnt_t nframes, samplecnt_t offset = 0);
+ void read_from (const Buffer& src, samplecnt_t nframes, sampleoffset_t dst_offset = 0, sampleoffset_t src_offset = 0);
+ void merge_from (const Buffer& src, samplecnt_t nframes, sampleoffset_t dst_offset = 0, sampleoffset_t src_offset = 0);
void copy(const MidiBuffer& copy);
+ void copy(MidiBuffer const * const);
- bool push_back(const Evoral::MIDIEvent<TimeType>& event);
- bool push_back(const jack_midi_event_t& event);
+ void skip_to (TimeType when);
+
+ bool push_back(const Evoral::Event<TimeType>& event);
bool push_back(TimeType time, size_t size, const uint8_t* data);
+
uint8_t* reserve(TimeType time, size_t size);
void resize(size_t);
+ size_t size() const { return _size; }
+ bool empty() const { return _size == 0; }
- bool merge(const MidiBuffer& a, const MidiBuffer& b);
+ bool insert_event(const Evoral::Event<TimeType>& event);
bool merge_in_place(const MidiBuffer &other);
+ /** EventSink interface for non-RT use (export, bounce). */
+ uint32_t write(TimeType time, Evoral::EventType type, uint32_t size, const uint8_t* buf);
+
template<typename BufferType, typename EventType>
- struct iterator_base {
- iterator_base<BufferType, EventType>(BufferType& b, framecnt_t o) : buffer(b), offset(o) {}
+ class iterator_base
+ {
+ public:
+ iterator_base<BufferType, EventType>(BufferType& b, samplecnt_t o)
+ : buffer(&b), offset(o) {}
+
+ iterator_base<BufferType, EventType>(const iterator_base<BufferType,EventType>& o)
+ : buffer (o.buffer), offset(o.offset) {}
+
+ inline iterator_base<BufferType,EventType> operator= (const iterator_base<BufferType,EventType>& o) {
+ if (&o != this) {
+ buffer = o.buffer;
+ offset = o.offset;
+ }
+ return *this;
+ }
+
inline EventType operator*() const {
- uint8_t* ev_start = buffer._data + offset + sizeof(TimeType);
+ uint8_t* ev_start = buffer->_data + offset + sizeof(TimeType);
int event_size = Evoral::midi_event_size(ev_start);
assert(event_size >= 0);
- return EventType(EventTypeMap::instance().midi_event_type(*ev_start),
- *((TimeType*)(buffer._data + offset)),
+ return EventType(midi_parameter_type(*ev_start),
+ *((TimeType*)(buffer->_data + offset)),
event_size, ev_start);
}
+
inline EventType operator*() {
- uint8_t* ev_start = buffer._data + offset + sizeof(TimeType);
+ uint8_t* ev_start = buffer->_data + offset + sizeof(TimeType);
int event_size = Evoral::midi_event_size(ev_start);
assert(event_size >= 0);
- return EventType(EventTypeMap::instance().midi_event_type(*ev_start),
- *((TimeType*)(buffer._data + offset)),
+ return EventType(Evoral::MIDI_EVENT,
+ *(reinterpret_cast<TimeType*>((uintptr_t)(buffer->_data + offset))),
event_size, ev_start);
}
+ inline TimeType * timeptr() {
+ return reinterpret_cast<TimeType*>((uintptr_t)(buffer->_data + offset));
+ }
+
inline iterator_base<BufferType, EventType>& operator++() {
- uint8_t* ev_start = buffer._data + offset + sizeof(TimeType);
+ uint8_t* ev_start = buffer->_data + offset + sizeof(TimeType);
int event_size = Evoral::midi_event_size(ev_start);
assert(event_size >= 0);
offset += sizeof(TimeType) + event_size;
return *this;
}
+
inline bool operator!=(const iterator_base<BufferType, EventType>& other) const {
- return (&buffer != &other.buffer) || (offset != other.offset);
+ return (buffer != other.buffer) || (offset != other.offset);
+ }
+
+ inline bool operator==(const iterator_base<BufferType, EventType>& other) const {
+ return (buffer == other.buffer) && (offset == other.offset);
}
- BufferType& buffer;
+
+ BufferType* buffer;
size_t offset;
};
- typedef iterator_base< MidiBuffer, Evoral::MIDIEvent<TimeType> > iterator;
- typedef iterator_base< const MidiBuffer, const Evoral::MIDIEvent<TimeType> > const_iterator;
+ typedef iterator_base< MidiBuffer, Evoral::Event<TimeType> > iterator;
+ typedef iterator_base< const MidiBuffer, const Evoral::Event<TimeType> > const_iterator;
iterator begin() { return iterator(*this, 0); }
iterator end() { return iterator(*this, _size); }
const_iterator begin() const { return const_iterator(*this, 0); }
const_iterator end() const { return const_iterator(*this, _size); }
+ iterator erase(const iterator& i) {
+ assert (i.buffer == this);
+ uint8_t* ev_start = _data + i.offset + sizeof (TimeType);
+ int event_size = Evoral::midi_event_size (ev_start);
+
+ if (event_size < 0) {
+ /* unknown size, sysex: return end() */
+ return end();
+ }
+
+ size_t total_data_deleted = sizeof(TimeType) + event_size;
+
+ if (i.offset + total_data_deleted > _size) {
+ _size = 0;
+ return end();
+ }
+
+ /* we need to avoid the temporary malloc that memmove would do,
+ so copy by hand. remember: this is small amounts of data ...
+ */
+ size_t a, b;
+ for (a = i.offset, b = i.offset + total_data_deleted; b < _size; ++b, ++a) {
+ _data[a] = _data[b];
+ }
+
+ _size -= total_data_deleted;
+
+ /* all subsequent iterators are now invalid, and the one we
+ * return should refer to the event we copied, which was after
+ * the one we just erased.
+ */
+
+ return iterator (*this, i.offset);
+ }
+
+ /**
+ * returns true if the message with the second argument as its MIDI
+ * status byte should preceed the message with the first argument as
+ * its MIDI status byte.
+ */
+ static bool second_simultaneous_midi_byte_is_first (uint8_t, uint8_t);
+
private:
- friend class iterator_base< MidiBuffer, Evoral::MIDIEvent<TimeType> >;
- friend class iterator_base< const MidiBuffer, const Evoral::MIDIEvent<TimeType> >;
+ friend class iterator_base< MidiBuffer, Evoral::Event<TimeType> >;
+ friend class iterator_base< const MidiBuffer, const Evoral::Event<TimeType> >;
uint8_t* _data; ///< timestamp, event, timestamp, event, ...
+ pframes_t _size;
};
-
} // namespace ARDOUR
#endif // __ardour_midi_buffer_h__
projects / ardour.git / blobdiff