-Split off notecache code into its own file instead of in the header.

git-svn-id: http://svn.fuzzle.org/mloop/trunk@14 ba049829-c6ef-42ef-81ac-908dd8d2e907
master
petern 2009-07-22 09:18:33 +00:00
parent 40dc1d0de9
commit 070414d450
4 changed files with 49 additions and 36 deletions

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@ -1,5 +1,6 @@
/* $Id$ */
#include <stdio.h>
#include <unistd.h>
#include <limits.h>
#include <jack/jack.h>

42
src/notecache.cpp 100644
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@ -0,0 +1,42 @@
/* $Id$ */
#include <string.h>
#include <jack/midiport.h>
#include "notecache.h"
NoteCache::NoteCache()
{
memset(m_notes, 0, sizeof m_notes);
}
NoteCache::~NoteCache()
{
}
void NoteCache::Reset()
{
memset(m_notes, 0, sizeof m_notes);
}
void NoteCache::HandleEvent(jack_midi_event_t &event)
{
uint8_t *buffer = event.buffer;
uint8_t cmd = buffer[0];
/* Note on or off event */
if ((cmd & 0xE0) == 0x80) {
int8_t channel = cmd & 0x0F;
for (uint i = 1; i < event.size; i += 2) {
int8_t note = buffer[i] & 0x7F;
int8_t velocity = buffer[i] & 0x7F;
if ((cmd & 0xF0) == 0x80) velocity = 0;
m_notes[channel][note] = velocity;
}
} else if ((cmd & 0xF0) == 0xB0 && buffer[1] == 0x7B) {
/* All notes off */
int8_t channel = cmd & 0x0F;
memset(m_notes[channel], 0, sizeof m_notes[channel]);
}
}

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@ -3,54 +3,24 @@
#ifndef NOTECACHE_H
#define NOTECACHE_H
#include <stdio.h>
#include <string.h>
#include <jack/midiport.h>
class NoteCache {
private:
int8_t m_notes[16][128];
public:
NoteCache()
{
memset(m_notes, 0, sizeof m_notes);
}
NoteCache();
~NoteCache();
~NoteCache()
{
}
void Reset()
{
memset(m_notes, 0, sizeof m_notes);
}
void Reset();
int8_t GetNote(int8_t channel, int8_t note) const
{
return m_notes[channel][note];
}
void HandleEvent(jack_midi_event_t &event)
{
uint8_t *buffer = event.buffer;
uint8_t cmd = buffer[0];
/* Note on or off event */
if ((cmd & 0xE0) == 0x80) {
int8_t channel = cmd & 0x0F;
for (uint i = 1; i < event.size; i += 2) {
int8_t note = buffer[i] & 0x7F;
int8_t velocity = buffer[i] & 0x7F;
if ((cmd & 0xF0) == 0x80) velocity = 0;
m_notes[channel][note] = velocity;
}
} else if ((cmd & 0xF0) == 0xB0 && buffer[1] == 0x7B) {
/* All notes off */
int8_t channel = cmd & 0x0F;
memset(m_notes[channel], 0, sizeof m_notes[channel]);
}
}
void HandleEvent(jack_midi_event_t &event);
};
#endif /* NOTECACHE_H */

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@ -8,6 +8,6 @@ def configure(conf):
def build(bld):
bld.new_task_gen(
features = 'cxx cprogram',
source = 'jack.cpp loop.cpp mloop.cpp ui.cpp',
source = 'jack.cpp loop.cpp mloop.cpp notecache.cpp ui.cpp',
target = 'mloop',
uselib = 'JACK NCURSES')