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full integration of beatbox test app into ardour tree+build system

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Plus a few attempts at catching note on/off quantization stuff
This commit is contained in:
Paul Davis 2017-08-05 02:03:43 -04:00
parent f21a66797a
commit f9aff37623
7 changed files with 115 additions and 143 deletions
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175
tools/bb/bb.cc
View File

@ -11,6 +11,8 @@
#include "evoral/midi_events.h"
#include "ardour/midi_buffer.h"
#include "bb.h"
#include "gui.h"
@ -18,126 +20,6 @@ using std::cerr;
using std::endl;
static bool
second_simultaneous_midi_byte_is_first (uint8_t a, uint8_t b)
{
bool b_first = false;
/* two events at identical times. we need to determine
the order in which they should occur.
the rule is:
Controller messages
Program Change
Note Off
Note On
Note Pressure
Channel Pressure
Pitch Bend
*/
if ((a) >= 0xf0 || (b) >= 0xf0 || ((a & 0xf) != (b & 0xf))) {
/* if either message is not a channel message, or if the channels are
* different, we don't care about the type.
*/
b_first = true;
} else {
switch (b & 0xf0) {
case MIDI_CMD_CONTROL:
b_first = true;
break;
case MIDI_CMD_PGM_CHANGE:
switch (a & 0xf0) {
case MIDI_CMD_CONTROL:
break;
case MIDI_CMD_PGM_CHANGE:
case MIDI_CMD_NOTE_OFF:
case MIDI_CMD_NOTE_ON:
case MIDI_CMD_NOTE_PRESSURE:
case MIDI_CMD_CHANNEL_PRESSURE:
case MIDI_CMD_BENDER:
b_first = true;
}
break;
case MIDI_CMD_NOTE_OFF:
switch (a & 0xf0) {
case MIDI_CMD_CONTROL:
case MIDI_CMD_PGM_CHANGE:
break;
case MIDI_CMD_NOTE_OFF:
case MIDI_CMD_NOTE_ON:
case MIDI_CMD_NOTE_PRESSURE:
case MIDI_CMD_CHANNEL_PRESSURE:
case MIDI_CMD_BENDER:
b_first = true;
}
break;
case MIDI_CMD_NOTE_ON:
switch (a & 0xf0) {
case MIDI_CMD_CONTROL:
case MIDI_CMD_PGM_CHANGE:
case MIDI_CMD_NOTE_OFF:
break;
case MIDI_CMD_NOTE_ON:
case MIDI_CMD_NOTE_PRESSURE:
case MIDI_CMD_CHANNEL_PRESSURE:
case MIDI_CMD_BENDER:
b_first = true;
}
break;
case MIDI_CMD_NOTE_PRESSURE:
switch (a & 0xf0) {
case MIDI_CMD_CONTROL:
case MIDI_CMD_PGM_CHANGE:
case MIDI_CMD_NOTE_OFF:
case MIDI_CMD_NOTE_ON:
break;
case MIDI_CMD_NOTE_PRESSURE:
case MIDI_CMD_CHANNEL_PRESSURE:
case MIDI_CMD_BENDER:
b_first = true;
}
break;
case MIDI_CMD_CHANNEL_PRESSURE:
switch (a & 0xf0) {
case MIDI_CMD_CONTROL:
case MIDI_CMD_PGM_CHANGE:
case MIDI_CMD_NOTE_OFF:
case MIDI_CMD_NOTE_ON:
case MIDI_CMD_NOTE_PRESSURE:
break;
case MIDI_CMD_CHANNEL_PRESSURE:
case MIDI_CMD_BENDER:
b_first = true;
}
break;
case MIDI_CMD_BENDER:
switch (a & 0xf0) {
case MIDI_CMD_CONTROL:
case MIDI_CMD_PGM_CHANGE:
case MIDI_CMD_NOTE_OFF:
case MIDI_CMD_NOTE_ON:
case MIDI_CMD_NOTE_PRESSURE:
case MIDI_CMD_CHANNEL_PRESSURE:
break;
case MIDI_CMD_BENDER:
b_first = true;
}
break;
}
}
return b_first;
}
BeatBox::BeatBox (int sr)
: _start_requested (false)
@ -232,11 +114,6 @@ BeatBox::process (int nsamples)
superclock_t superclocks = samples_to_superclock (nsamples, _sample_rate);
if (!_running) {
superclock_cnt += superclocks;
return 0;
}
if (_tempo_request) {
double ratio = _tempo / _tempo_request;
_tempo = _tempo_request;
@ -244,11 +121,20 @@ BeatBox::process (int nsamples)
compute_tempo_clocks ();
/* recompute all the event times based on the ratio between the
* new and old tempo.
*/
for (Events::iterator ee = _current_events.begin(); ee != _current_events.end(); ++ee) {
(*ee)->time = llrintf ((*ee)->time * ratio);
}
}
if (!_running) {
superclock_cnt += superclocks;
return 0;
}
superclock_t process_start = superclock_cnt - last_start;
superclock_t process_end = process_start + superclocks;
const superclock_t loop_length = _measures * measure_superclocks;
@ -273,7 +159,6 @@ BeatBox::process (int nsamples)
void* in_buf;
jack_midi_event_t in_event;
jack_nframes_t event_index;
jack_nframes_t event_count;
/* do this on the first pass only */
out_buf = jack_port_get_buffer (_output, nsamples);
@ -298,6 +183,7 @@ BeatBox::process (int nsamples)
if (e->size && (e->time >= process_start && e->time < process_end)) {
if ((buffer = jack_midi_event_reserve (out_buf, superclock_to_samples (offset + e->time - process_start, _sample_rate), e->size)) != 0) {
memcpy (buffer, e->buf, e->size);
outbound_tracker.track (e->buf);
} else {
cerr << "Could not reserve space for output event @ " << e << " of size " << e->size << " @ " << offset + e->time - process_start
<< " (samples: " << superclock_to_samples (offset + e->time - process_start, _sample_rate) << ") offset is " << offset
@ -323,8 +209,37 @@ BeatBox::process (int nsamples)
superclock_t quantized_time;
if (_quantize_divisor != 0) {
const superclock_t time_per_beat = whole_note_superclocks / _quantize_divisor;
quantized_time = (in_loop_time / time_per_beat) * time_per_beat;
const superclock_t time_per_grid_unit = whole_note_superclocks / _quantize_divisor;
if (in_event.buffer[0] == MIDI_CMD_NOTE_OFF) {
/* note off is special - it must be quantized
* to at least 1 quantization "spacing" after
* the corresponding note on.
*/
/* compute nominal time */
quantized_time = (in_loop_time / time_per_grid_unit) * time_per_grid_unit;
/* look for the note on */
for (Events::iterator ee = _current_events.begin(); ee != _current_events.end(); ++ee) {
/* is it a note-on? same note? same channel? */
if ((*ee)->time > quantized_time) {
cerr << "Note off seen without corresponding note on!\n";
/* leave quantized_time alone ... should probably dump the whole event */
break;
}
if (((*ee)->buf[0] == MIDI_CMD_NOTE_ON) && ((*ee)->buf[1] == in_event.buffer[1]) && ((*ee)->buf[0] & 0xf) == (in_event.buffer[0] & 0xf)) {
quantized_time = (*ee)->time + time_per_grid_unit;
}
}
} else {
quantized_time = (in_loop_time / time_per_grid_unit) * time_per_grid_unit;
}
} else {
quantized_time = elapsed_time;
}
@ -347,6 +262,8 @@ BeatBox::process (int nsamples)
e->size = in_event.size;
memcpy (e->buf, in_event.buffer, in_event.size);
inbound_tracker.track (e->buf);
_current_events.insert (e);
}
@ -383,7 +300,7 @@ BeatBox::EventComparator::operator() (Event const * a, Event const *b) const
if (a->buf[0] == b->buf[0]) {
return a < b;
}
return !second_simultaneous_midi_byte_is_first (a->buf[0], b->buf[0]);
return !ARDOUR::MidiBuffer::second_simultaneous_midi_byte_is_first (a->buf[0], b->buf[0]);
}
return a->time < b->time;
}

4
tools/bb/bb.h
View File

@ -10,6 +10,8 @@
#include <jack/jack.h>
#include "ardour/midi_state_tracker.h"
typedef uint64_t superclock_t;
static const superclock_t superclock_ticks_per_second = 508032000; // 2^10 * 3^4 * 5^3 * 7^2
@ -58,6 +60,8 @@ class BeatBox {
superclock_t measure_superclocks;
int _quantize_divisor;
bool clear_pending;
ARDOUR::MidiStateTracker inbound_tracker;
ARDOUR::MidiStateTracker outbound_tracker;
struct Event {
superclock_t time;

5
tools/bb/bbdev Executable file
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@ -0,0 +1,5 @@
#!/bin/sh
TOP=`dirname "$0"`/../..
. $TOP/build/tools/bb/bbdev_common_waf.sh
export UBUNTU_MENUPROXY=""
exec $TOP/$EXECUTABLE "$@"

14
tools/bb/makefile
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@ -1,14 +0,0 @@
all: bb
CXXFLAGS=-I../../libs/evoral `pkg-config --cflags jack` `pkg-config --cflags gtkmm-2.4`
LDFLAGS=`pkg-config --libs jack` `pkg-config --libs gtkmm-2.4`
bb: bb.o gui.o
$(CXX) -o bb bb.o gui.o $(LDFLAGS)
bb.o: bb.cc bb.h gui.h
gui.o: gui.cc gui.h bb.h
clean:
rm -f bb bb.o gui.o

7
tools/bb/misc.cc Normal file
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@ -0,0 +1,7 @@
/* temporarily required due to some code design confusion (Feb 2014) */
#include "ardour/vst_types.h"
int vstfx_init (void*) { return 0; }
void vstfx_exit () {}
void vstfx_destroy_editor (VSTState*) {}

43
tools/bb/wscript Normal file
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@ -0,0 +1,43 @@
import waflib.Logs as Logs, waflib.Utils as Utils
import os
# Mandatory variables
top = '.'
out = 'build'
def options(ctx):
pass
def configure(ctx):
pass
def build(bld):
obj = bld (features = 'cxx c cxxprogram')
obj.install_path = None
obj.source = [ 'bb.cc', 'gui.cc', 'misc.cc' ]
obj.target = 'bb'
obj.includes = ['.', '../libs']
obj.ldflags = ['-no-undefined']
obj.use = [ 'libardour', 'libevoral', ]
obj.uselib = ' JACK GTKMM '
wrapper_subst_dict = {
'INSTALL_PREFIX' : bld.env['PREFIX'],
'LIBDIR' : os.path.normpath(bld.env['DLLDIR']),
'DATADIR' : os.path.normpath(bld.env['DATADIR']),
'CONFDIR' : os.path.normpath(bld.env['CONFDIR']),
'LIBS' : 'build/libs',
'VERSION' : str (bld.env['VERSION']),
'EXECUTABLE' : 'build/tools/bb/bb'
}
def set_subst_dict(obj, dict):
for i in dict:
setattr(obj, i, dict[i])
obj = bld (features = 'subst')
obj.source = '../../gtk2_ardour/ardev_common.sh.in'
obj.target = 'bbdev_common_waf.sh'
obj.chmod = Utils.O755
obj.dict = wrapper_subst_dict
set_subst_dict(obj, wrapper_subst_dict)

10
wscript
View File

@ -730,6 +730,8 @@ def options(opt):
help='Compile Tool to dump LuaBindings (needs C++11)')
opt.add_option('--canvasui', action='store_true', default=False, dest='canvasui',
help='Compile libcanvas test GUI')
opt.add_option('--beatbox', action='store_true', default=False, dest='beatbox',
help='Compile beatbox test app')
opt.add_option('--lv2', action='store_true', default=True, dest='lv2',
help='Compile with support for LV2 (if Lilv+Suil is available)')
opt.add_option('--no-lv2', action='store_false', dest='lv2',
@ -959,6 +961,10 @@ def configure(conf):
conf.env['CANVASTESTUI'] = True
conf.define ('CANVASTESTUI', 1)
if Options.options.beatbox:
conf.env['BEATBOX'] = True
conf.define ('BEATBOX', 1)
if Options.options.luadoc:
conf.env['LUABINDINGDOC'] = True
conf.define ('LUABINDINGDOC', 1)
@ -1239,6 +1245,7 @@ const char* const ardour_config_info = "\\n\\
write_config_text('AudioUnits', conf.is_defined('AUDIOUNIT_SUPPORT'))
write_config_text('Build target', conf.env['build_target'])
write_config_text('Canvas Test UI', conf.is_defined('CANVASTESTUI'))
write_config_text('Beatbox test app', conf.is_defined('BEATBOX'))
write_config_text('CoreAudio', conf.is_defined('HAVE_COREAUDIO'))
write_config_text('CoreAudio 10.5 compat', conf.is_defined('COREAUDIO105'))
write_config_text('Debug RT allocations', conf.is_defined('DEBUG_RT_ALLOC'))
@ -1339,6 +1346,9 @@ def build(bld):
for i in children:
bld.recurse(i)
if bld.is_defined ('BEATBOX'):
bld.recurse('tools/bb')
bld.install_files (bld.env['CONFDIR'], 'system_config')
if bld.env['RUN_TESTS']: