ardour/livetrax
13
0
Fork 0
Code

implement VST midi-output

Browse Source
This commit is contained in:
Robin Gareus 2014-03-02 21:12:25 +01:00
parent e6c3cece64
commit 52b127a35b
3 changed files with 33 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
libs/ardour/ardour/vst_plugin.h
View File

@ -73,6 +73,7 @@ public:
AEffect * plugin () const { return _plugin; }
VSTState * state () const { return _state; }
MidiBuffer * midi_buffer () const { return _midi_out_buf; }
int set_state (XMLNode const &, int);
@ -94,6 +95,8 @@ protected:
VSTHandle* _handle;
VSTState* _state;
AEffect* _plugin;
MidiBuffer* _midi_out_buf;
};
}

11
libs/ardour/session_vst.cc
View File

@ -49,6 +49,8 @@ int Session::vst_current_loading_id = 0;
const char* Session::vst_can_do_strings[] = {
X_("supplyIdle"),
X_("sendVstTimeInfo"),
X_("sendVstEvents"),
X_("sendVstMidiEvent"),
X_("supportShell"),
X_("shellCategory")
};
@ -256,6 +258,15 @@ intptr_t Session::vst_callback (
case audioMasterProcessEvents:
SHOW_CALLBACK ("amc: audioMasterProcessEvents\n");
// VstEvents* in <ptr>
if (plug->midi_buffer()) {
VstEvents* v = (VstEvents*)ptr;
for (int n = 0 ; n < v->numEvents; ++n) {
VstMidiEvent *vme = (VstMidiEvent*) (v->events[n]->dump);
if (vme->type == kVstMidiType) {
plug->midi_buffer()->push_back(vme->deltaFrames, 3, (uint8_t*)vme->midiData);
}
}
}
return 0;
case audioMasterSetTime:

21
libs/ardour/vst_plugin.cc
View File

@ -552,6 +552,7 @@ VSTPlugin::connect_and_run (BufferSet& bufs,
ChanCount bufs_count;
bufs_count.set(DataType::AUDIO, 1);
bufs_count.set(DataType::MIDI, 1);
_midi_out_buf = 0;
BufferSet& silent_bufs = _session.get_silent_buffers(bufs_count);
BufferSet& scratch_bufs = _session.get_scratch_buffers(bufs_count);
@ -590,12 +591,28 @@ VSTPlugin::connect_and_run (BufferSet& bufs,
}
if (bufs.count().n_midi() > 0) {
VstEvents* v = bufs.get_vst_midi (0);
_plugin->dispatcher (_plugin, effProcessEvents, 0, 0, v, 0);
VstEvents* v = 0;
bool valid = false;
const uint32_t buf_index_in = in_map.get(DataType::MIDI, 0, &valid);
if (valid) {
v = bufs.get_vst_midi (0);
}
valid = false;
const uint32_t buf_index_out = out_map.get(DataType::MIDI, 0, &valid);
if (valid) {
_midi_out_buf = &bufs.get_midi(buf_index_out);
_midi_out_buf->silence(0, 0);
} else {
_midi_out_buf = 0;
}
if (v) {
_plugin->dispatcher (_plugin, effProcessEvents, 0, 0, v, 0);
}
}
/* we already know it can support processReplacing */
_plugin->processReplacing (_plugin, &ins[0], &outs[0], nframes);
_midi_out_buf = 0;
return 0;
}