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triggerbox: implement 'replace midi-file PGMs with the triggerbox PGMs"

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* intercept {pgm|bank}-change messages, and replace them with triggerbox values
* check is_set() extensively; we have arrays of pgms but most are unused
This commit is contained in:
Ben Loftis 2022-02-26 08:41:18 -06:00
parent 0cee4f45ce
commit cd63f615e1
1 changed files with 29 additions and 9 deletions
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38
libs/ardour/triggerbox.cc
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@ -244,7 +244,9 @@ Trigger::get_ui_state (Trigger::UIState &state) const
state.used_channels = segment_used_channels();
for (int i = 0; i<16; i++) {
state.patch_change[i] = patch_change(i);
if (patch_change(i).is_set()) {
state.patch_change[i] = patch_change(i);
}
}
/* tempo is currently not a property */
@ -358,7 +360,9 @@ Trigger::copy_to_ui_state ()
ui_state.used_channels = segment_used_channels();
for (int i = 0; i<16; i++) {
ui_state.patch_change[i] = patch_change(i); //TODO: maybe these should be initialized here instead of later
if (patch_change(i).is_set()) {
ui_state.patch_change[i] = patch_change(i);
}
}
}
@ -2142,7 +2146,9 @@ MIDITrigger::patch_change (uint8_t channel) const
Evoral::PatchChange<MidiBuffer::TimeType> ret;
assert (channel < 16);
ret = _patch_change[channel];
if (_patch_change[channel].is_set()) {
ret = _patch_change[channel];
}
return ret;
}
@ -2223,14 +2229,14 @@ MIDITrigger::_startup (BufferSet& bufs, pframes_t dest_offset, Temporal::BBT_Off
/* Possibly inject patch changes, if set */
for (int chn = 0; chn < 16; ++chn) {
if (_patch_change[chn].is_set()) {
if (_segment_used_channels.test(chn) && _patch_change[chn].is_set()) {
_patch_change[chn].set_time (dest_offset);
cerr << index() << " Injecting patch change " << _patch_change[chn].program() << " @ " << dest_offset << endl;
DEBUG_TRACE (DEBUG::MidiTriggers, string_compose ("Injecting patch change c:%1 b:%2 p:%3\n", (uint32_t) _patch_change[chn].channel(), (uint32_t) _patch_change[chn].bank(), (uint32_t) _patch_change[chn].program()));
for (int msg = 0; msg < _patch_change[chn].messages(); ++msg) {
if (mb) {
mb->insert_event (_patch_change[chn].message (msg));
_box.tracker->track (_patch_change[chn].message (msg).buffer());
}
_box.tracker->track (_patch_change[chn].message (msg).buffer());
}
}
}
@ -2608,15 +2614,29 @@ MIDITrigger::midi_run (BufferSet& bufs, samplepos_t start_sample, samplepos_t en
ev.scale_velocity (_gain);
}
int chn = ev.channel();
if (_channel_map[ev.channel()] > 0) {
ev.set_channel (_channel_map[ev.channel()]);
ev.set_channel (_channel_map[chn]);
}
if (ev.is_pgm_change() || (ev.is_cc() && ((ev.cc_number() == MIDI_CTL_LSB_BANK) || (ev.cc_number() == MIDI_CTL_MSB_BANK)))) {
if (_patch_change[ev.channel()].is_set() || _box.ignore_patch_changes ()) {
/* skip pgm change info in data because trigger has its own */
if (_box.ignore_patch_changes ()) {
/* do not send ANY patch or bank messages, just skip them */
DEBUG_TRACE (DEBUG::MidiTriggers, string_compose ("Ignoring patch change on chn:%1\n", (uint32_t) _patch_change[chn].channel()));
++iter;
continue;
} else if ( _patch_change[chn].is_set() ) {
/* from this context we don't know if a pgm message in the midi buffer is from the file or from triggerbox */
/* so when a bank or pgm message is recognized, just replace it with the desired patch */
DEBUG_TRACE (DEBUG::MidiTriggers, string_compose ("Replacing patch change c:%1 b:%2 p:%3\n", (uint32_t) _patch_change[chn].channel(), (uint32_t) _patch_change[chn].bank(), (uint32_t) _patch_change[chn].program()));
if (ev.is_cc() && (ev.cc_number() == MIDI_CTL_MSB_BANK)) {
ev.set_cc_value(_patch_change[chn].bank_msb());
} else if (ev.is_cc() && (ev.cc_number() == MIDI_CTL_LSB_BANK)) {
ev.set_cc_value(_patch_change[chn].bank_lsb());
} else if (ev.is_pgm_change()) {
ev.set_pgm_number(_patch_change[chn].program());
}
}
}