falkTX
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Carla
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implement vst3 midi input 

Signed-off-by: falkTX <falktx@falktx.com>
pull/1807/head
falkTX 2 years ago
parent
be784fcbe2
commit
15d7e42cfc
Signed by: falkTX <falktx@falktx.com> GPG Key ID: CDBAA37ABC74FBA0
1 changed files with 228 additions and 62 deletions
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  1. +228
    -62
      source/backend/plugin/CarlaPluginVST3.cpp

+ 228
- 62
source/backend/plugin/CarlaPluginVST3.cpp View File

@@ -667,6 +667,27 @@ struct carla_v3_input_param_changes : v3_param_changes_cpp {
updatedParams[index].updated = true;
}

// called as response to MIDI CC
void setParamValueRT(const uint32_t index, const int32_t offset, const float value) noexcept
{
static constexpr const int8_t kQueuePointSize = sizeof(queue[0]->points)/sizeof(queue[0]->points[0]);

if (queue[index]->numUsed < kQueuePointSize)
{
// still has space, add in queue
carla_v3_input_param_value_queue::Point& point(queue[index]->points[queue[index]->numUsed++]);
point.offset = offset;
point.value = value;
}
else
{
// points are full, replace last one
carla_v3_input_param_value_queue::Point& point(queue[index]->points[queue[index]->numUsed - 1]);
point.offset = offset;
point.value = value;
}
}

private:
static int32_t V3_API get_param_count(void* const self)
{
@@ -875,7 +896,6 @@ private:

static v3_result V3_API get_event(void* const self, const int32_t index, v3_event* const event)
{
carla_debug("TODO %s", __PRETTY_FUNCTION__);
const carla_v3_input_event_list* const me = *static_cast<const carla_v3_input_event_list**>(self);
CARLA_SAFE_ASSERT_RETURN(index < static_cast<int32_t>(me->numEvents), V3_INVALID_ARG);
std::memcpy(event, &me->events[index], sizeof(v3_event));
@@ -884,7 +904,6 @@ private:

static v3_result V3_API add_event(void*, v3_event*)
{
carla_debug("TODO %s", __PRETTY_FUNCTION__);
// there is nothing here for input events, plugins are not meant to call this!
return V3_NOT_IMPLEMENTED;
}
@@ -1377,18 +1396,17 @@ public:

options |= PLUGIN_OPTION_USE_CHUNKS;

/* TODO
if (hasMidiInput())
{
options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;
options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;
options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;
options |= PLUGIN_OPTION_SEND_PITCHBEND;
/* TODO
options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;
options |= PLUGIN_OPTION_SEND_PROGRAM_CHANGES;
*/
options |= PLUGIN_OPTION_SKIP_SENDING_NOTES;
}
*/

return options;
}
@@ -1564,7 +1582,7 @@ public:
fixedValue);

// report value to component (next process call)
fEvents.paramInputs->setParamValue(paramIndex, static_cast<float>(normalized));
fEvents.paramInputs->setParamValueRT(paramIndex, frameOffset, static_cast<float>(normalized));

CarlaPlugin::setParameterValueRT(paramIndex, fixedValue, frameOffset, sendCallbackLater);
}
@@ -2442,12 +2460,6 @@ public:

if (pData->needsReset)
{
/*
if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)
{
}
else
*/
if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS && fEvents.eventInputs != nullptr)
{
fEvents.eventInputs->numEvents = MAX_MIDI_NOTE;
@@ -2533,12 +2545,12 @@ public:
// ------------------------------------------------------------------------------------------------------------
// Event Input and Processing

if (pData->event.portIn != nullptr)
if (pData->event.portIn != nullptr && fEvents.eventInputs != nullptr)
{
// --------------------------------------------------------------------------------------------------------
// MIDI Input (External)

if (fEvents.eventInputs != nullptr && pData->extNotes.mutex.tryLock())
if (pData->extNotes.mutex.tryLock())
{
ExternalMidiNote note = { 0, 0, 0 };
uint16_t numEvents = fEvents.eventInputs->numEvents;
@@ -2576,9 +2588,6 @@ public:
// --------------------------------------------------------------------------------------------------------
// Event Input (System)

#ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH
bool allNotesOffSent = false;
#endif
bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

uint32_t startTime = 0;
@@ -2709,7 +2718,28 @@ public:

if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_VALUE)
{
// TODO
v3_param_id paramId = 0;
if (v3_cpp_obj(fV3.midiMapping)->get_midi_controller_assignment(fV3.midiMapping,
0,
event.channel,
ctrlEvent.param,
&paramId) == V3_OK)
{
uint32_t index = UINT32_MAX;
for (uint32_t i=0; i < pData->param.count; ++i)
{
if (static_cast<v3_param_id>(pData->param.data[i].rindex) == paramId)
{
index = i;
break;
}
}

if (index == UINT32_MAX)
break;

fEvents.paramInputs->setParamValueRT(index, event.time, ctrlEvent.normalizedValue);
}
}

#ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH
@@ -2720,10 +2750,6 @@ public:
} // case kEngineControlEventTypeParameter

case kEngineControlEventTypeMidiBank:
if ((pData->options & PLUGIN_OPTION_SEND_PROGRAM_CHANGES) != 0)
{
// TODO
}
break;

case kEngineControlEventTypeMidiProgram:
@@ -2735,31 +2761,11 @@ public:
break;
}
}
else if (pData->options & PLUGIN_OPTION_SEND_PROGRAM_CHANGES)
{
// TODO
}
break;

case kEngineControlEventTypeAllSoundOff:
if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)
{
// TODO
}
break;

case kEngineControlEventTypeAllNotesOff:
if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)
{
#ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH
if (event.channel == pData->ctrlChannel && ! allNotesOffSent)
{
allNotesOffSent = true;
postponeRtAllNotesOff();
}
#endif
// TODO
}
// TODO map to CC
break;
} // switch (ctrlEvent.type)
break;
@@ -2778,29 +2784,167 @@ public:

if ((status == MIDI_STATUS_NOTE_OFF || status == MIDI_STATUS_NOTE_ON) && (pData->options & PLUGIN_OPTION_SKIP_SENDING_NOTES))
continue;
if (status == MIDI_STATUS_CHANNEL_PRESSURE && (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) == 0)
if (status == MIDI_STATUS_POLYPHONIC_AFTERTOUCH && (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) == 0)
continue;
if (status == MIDI_STATUS_CONTROL_CHANGE && (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) == 0)
if (status == MIDI_STATUS_CONTROL_CHANGE && ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) == 0 || fEvents.paramInputs == nullptr || fV3.midiMapping == nullptr))
continue;
if (status == MIDI_STATUS_POLYPHONIC_AFTERTOUCH && (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) == 0)
if (status == MIDI_STATUS_CHANNEL_PRESSURE && ((pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) == 0 || fEvents.paramInputs == nullptr || fV3.midiMapping == nullptr))
continue;
if (status == MIDI_STATUS_PITCH_WHEEL_CONTROL && (pData->options & PLUGIN_OPTION_SEND_PITCHBEND) == 0)
if (status == MIDI_STATUS_PITCH_WHEEL_CONTROL && ((pData->options & PLUGIN_OPTION_SEND_PITCHBEND) == 0 || fEvents.paramInputs == nullptr || fV3.midiMapping == nullptr))
continue;

// Fix bad note-off
if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)
status = MIDI_STATUS_NOTE_OFF;

// TODO

if (status == MIDI_STATUS_NOTE_ON)
{
pData->postponeNoteOnRtEvent(true, event.channel, midiEvent.data[1], midiEvent.data[2]);
}
else if (status == MIDI_STATUS_NOTE_OFF)
switch (status)
{
pData->postponeNoteOffRtEvent(true, event.channel, midiEvent.data[1]);
}
case MIDI_STATUS_NOTE_OFF:
if (fEvents.eventInputs->numEvents < kPluginMaxMidiEvents)
{
const uint8_t note = midiEvent.data[1];

v3_event& v3event(fEvents.eventInputs->events[fEvents.eventInputs->numEvents++]);
carla_zeroStruct(v3event);

v3event.type = V3_EVENT_NOTE_OFF;
v3event.note_off.channel = event.channel & MIDI_CHANNEL_BIT;
v3event.note_off.pitch = note;

pData->postponeNoteOffRtEvent(true, event.channel, note);
}
break;

case MIDI_STATUS_NOTE_ON:
if (fEvents.eventInputs->numEvents < kPluginMaxMidiEvents)
{
const uint8_t note = midiEvent.data[1];
const uint8_t velo = midiEvent.data[2];

v3_event& v3event(fEvents.eventInputs->events[fEvents.eventInputs->numEvents++]);
carla_zeroStruct(v3event);

v3event.type = V3_EVENT_NOTE_ON;
v3event.note_on.channel = event.channel & MIDI_CHANNEL_BIT;
v3event.note_on.pitch = note;
v3event.note_on.velocity = static_cast<float>(velo) / 127.f;

pData->postponeNoteOnRtEvent(true, event.channel, note, velo);
}
break;

case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:
if (fEvents.eventInputs->numEvents < kPluginMaxMidiEvents)
{
const uint8_t note = midiEvent.data[1];
const uint8_t pressure = midiEvent.data[2];

v3_event& v3event(fEvents.eventInputs->events[fEvents.eventInputs->numEvents++]);
carla_zeroStruct(v3event);

v3event.type = V3_EVENT_POLY_PRESSURE;
v3event.poly_pressure.channel = event.channel;
v3event.poly_pressure.pitch = note;
v3event.poly_pressure.pressure = static_cast<float>(pressure) / 127.f;
}
break;

case MIDI_STATUS_CONTROL_CHANGE:
{
const uint8_t control = midiEvent.data[1];
const uint8_t value = midiEvent.data[2];

v3_param_id paramId = 0;
if (v3_cpp_obj(fV3.midiMapping)->get_midi_controller_assignment(fV3.midiMapping,
midiEvent.port,
event.channel,
control,
&paramId) == V3_OK)
{
uint32_t index = UINT32_MAX;
for (uint32_t i=0; i < pData->param.count; ++i)
{
if (static_cast<v3_param_id>(pData->param.data[i].rindex) == paramId)
{
index = i;
break;
}
}

if (index == UINT32_MAX)
break;

fEvents.paramInputs->setParamValueRT(index,
event.time,
static_cast<float>(value) / 127.f);
}
}
break;

case MIDI_STATUS_CHANNEL_PRESSURE:
{
const uint8_t pressure = midiEvent.data[1];

v3_param_id paramId = 0;
if (v3_cpp_obj(fV3.midiMapping)->get_midi_controller_assignment(fV3.midiMapping,
midiEvent.port,
event.channel,
128,
&paramId) == V3_OK)
{
uint32_t index = UINT32_MAX;
for (uint32_t i=0; i < pData->param.count; ++i)
{
if (static_cast<v3_param_id>(pData->param.data[i].rindex) == paramId)
{
index = i;
break;
}
}

if (index == UINT32_MAX)
break;

fEvents.paramInputs->setParamValueRT(index,
event.time,
static_cast<float>(pressure) / 127.f);
}
}
break;

case MIDI_STATUS_PITCH_WHEEL_CONTROL:
{
const uint16_t pitchbend = (midiEvent.data[2] << 7) | midiEvent.data[1];

v3_param_id paramId = 0;
if (v3_cpp_obj(fV3.midiMapping)->get_midi_controller_assignment(fV3.midiMapping,
midiEvent.port,
event.channel,
129,
&paramId) == V3_OK)
{
uint32_t index = UINT32_MAX;
for (uint32_t i=0; i < pData->param.count; ++i)
{
if (static_cast<v3_param_id>(pData->param.data[i].rindex) == paramId)
{
index = i;
break;
}
}

if (index == UINT32_MAX)
break;

fEvents.paramInputs->setParamValueRT(index,
event.time,
static_cast<float>(pitchbend) / 16384.f);
}
}
break;

} // switch (status)

} break;
} // switch (event.type)
}
@@ -3175,6 +3319,15 @@ public:

// ----------------------------------------------------------------------------------------------------------------

bool hasMidiInput() const noexcept
{
return pData->extraHints & PLUGIN_EXTRA_HINT_HAS_MIDI_IN ||
std::strstr(fV3ClassInfo.v2.sub_categories, "Instrument") != nullptr ||
v3_cpp_obj(fV3.component)->get_bus_count(fV3.component, V3_EVENT, V3_INPUT) > 0;
}

// ----------------------------------------------------------------------------------------------------------------

const void* getNativeDescriptor() const noexcept override
{
return fV3.component;
@@ -3381,7 +3534,6 @@ public:
if (isPluginOptionEnabled(options, PLUGIN_OPTION_USE_CHUNKS))
pData->options |= PLUGIN_OPTION_USE_CHUNKS;

/*
if (hasMidiInput())
{
if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_CONTROL_CHANGES))
@@ -3392,18 +3544,16 @@ public:
pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;
if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_PITCHBEND))
pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;
/* TODO
if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_ALL_SOUND_OFF))
pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;
if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_PROGRAM_CHANGES))
pData->options |= PLUGIN_OPTION_SEND_PROGRAM_CHANGES;
*/
if (isPluginOptionInverseEnabled(options, PLUGIN_OPTION_SKIP_SENDING_NOTES))
pData->options |= PLUGIN_OPTION_SKIP_SENDING_NOTES;
}
*/

/*
if (numPrograms > 1 && (pData->options & PLUGIN_OPTION_SEND_PROGRAM_CHANGES) == 0)
if (isPluginOptionEnabled(options, PLUGIN_OPTION_MAP_PROGRAM_CHANGES))
if (numPrograms > 1 && isPluginOptionEnabled(options, PLUGIN_OPTION_MAP_PROGRAM_CHANGES))
pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;
*/

@@ -3617,6 +3767,7 @@ private:
v3_audio_processor** processor;
v3_connection_point** connComponent;
v3_connection_point** connController;
v3_midi_mapping** midiMapping;
#ifdef V3_VIEW_PLATFORM_TYPE_NATIVE
v3_plugin_view** view;
#endif
@@ -3633,6 +3784,7 @@ private:
processor(nullptr),
connComponent(nullptr),
connController(nullptr),
midiMapping(nullptr),
#ifdef V3_VIEW_PLATFORM_TYPE_NATIVE
view(nullptr),
#endif
@@ -3772,6 +3924,14 @@ private:
v3_cpp_obj(connController)->connect(connController, connComponent);
}

// get midi mapping interface
if (v3_cpp_obj_query_interface(component, v3_midi_mapping_iid, &midiMapping) != V3_OK)
{
midiMapping = nullptr;
if (v3_cpp_obj_query_interface(controller, v3_midi_mapping_iid, &midiMapping) != V3_OK)
midiMapping = nullptr;
}

#ifdef V3_VIEW_PLATFORM_TYPE_NATIVE
// create view
view = v3_cpp_obj(controller)->create_view(controller, "editor");
@@ -3787,6 +3947,12 @@ private:
CARLA_SAFE_ASSERT(view == nullptr);
#endif

if (midiMapping != nullptr)
{
v3_cpp_obj_unref(midiMapping);
midiMapping = nullptr;
}

if (connComponent != nullptr && connController != nullptr)
{
v3_cpp_obj(connComponent)->disconnect(connComponent, connController);


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