4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 #include "ardour/session.h"
26 #include "ardour/tempo.h"
27 #include "ardour/windows_vst_plugin.h"
28 #include "ardour/vestige/aeffectx.h"
29 #include "ardour/vst_types.h"
33 #define DEBUG_CALLBACKS
34 static int debug_callbacks = -1;
36 #ifdef DEBUG_CALLBACKS
37 #define SHOW_CALLBACK if (debug_callbacks) printf
39 #define SHOW_CALLBACK(...)
42 using namespace ARDOUR;
44 intptr_t Session::vst_callback (
53 static VstTimeInfo _timeInfo;
57 if (debug_callbacks < 0) {
58 debug_callbacks = (getenv ("ARDOUR_DEBUG_VST_CALLBACKS") != 0);
61 if (effect && effect->user) {
62 plug = (VSTPlugin *) (effect->user);
63 session = &plug->session();
65 SHOW_CALLBACK ("am callback 0x%x, opcode = %d, plugin = \"%s\" ", (int) pthread_self().p, opcode, plug->name());
67 SHOW_CALLBACK ("am callback 0x%x, opcode = %d, plugin = \"%s\" ", (int) pthread_self(), opcode, plug->name());
73 SHOW_CALLBACK ("am callback 0x%x, opcode = %d", (int) pthread_self().p, opcode);
75 SHOW_CALLBACK ("am callback 0x%x, opcode = %d", (int) pthread_self(), opcode);
81 case audioMasterAutomate:
82 SHOW_CALLBACK ("amc: audioMasterAutomate\n");
83 // index, value, returns 0
85 plug->set_parameter (index, opt);
89 case audioMasterVersion:
90 SHOW_CALLBACK ("amc: audioMasterVersion\n");
91 // vst version, currently 2 (0 for older)
94 case audioMasterCurrentId:
95 SHOW_CALLBACK ("amc: audioMasterCurrentId\n");
96 // returns the unique id of a plug that's currently
100 case audioMasterIdle:
101 SHOW_CALLBACK ("amc: audioMasterIdle\n");
102 // call application idle routine (this will
103 // call effEditIdle for all open editors too)
105 effect->dispatcher(effect, effEditIdle, 0, 0, NULL, 0.0f);
109 case audioMasterPinConnected:
110 SHOW_CALLBACK ("amc: audioMasterPinConnected\n");
111 // inquire if an input or output is beeing connected;
112 // index enumerates input or output counting from zero:
113 // value is 0 for input and != 0 otherwise. note: the
114 // return value is 0 for <true> such that older versions
115 // will always return true.
118 case audioMasterWantMidi:
119 SHOW_CALLBACK ("amc: audioMasterWantMidi\n");
120 // <value> is a filter which is currently ignored
122 plug->get_info()->n_inputs.set_midi (1);
126 case audioMasterGetTime:
127 SHOW_CALLBACK ("amc: audioMasterGetTime\n");
128 // returns const VstTimeInfo* (or 0 if not supported)
129 // <value> should contain a mask indicating which fields are required
130 // (see valid masks above), as some items may require extensive
132 memset(&_timeInfo, 0, sizeof(_timeInfo));
134 framepos_t now = session->transport_frame();
135 _timeInfo.samplePos = now;
136 _timeInfo.sampleRate = session->frame_rate();
139 const TempoMetric& tm (session->tempo_map().metric_at (now));
141 // if (value & (kVstTempoValid)) {
142 const Tempo& t (tm.tempo());
143 _timeInfo.tempo = t.beats_per_minute ();
144 _timeInfo.flags |= (kVstTempoValid);
146 // if (value & (kVstBarsValid)) {
147 const Meter& m (tm.meter());
148 _timeInfo.timeSigNumerator = m.divisions_per_bar ();
149 _timeInfo.timeSigDenominator = m.note_divisor ();
150 _timeInfo.flags |= (kVstTimeSigValid);
152 // if (value & (kVstPpqPosValid)) {
153 Timecode::BBT_Time bbt;
155 session->tempo_map().bbt_time_rt (now, bbt);
157 /* Note that this assumes constant
158 meter/tempo throughout the session. We
159 can do better than this, because
160 progressive rock fans demand it.
162 double ppqBar = double(bbt.bars - 1) * tm.meter().divisions_per_bar();
163 double ppqBeat = double(bbt.beats - 1);
164 double ppqTick = double(bbt.ticks) / Timecode::BBT_Time::ticks_per_beat;
166 _timeInfo.ppqPos = ppqBar + ppqBeat + ppqTick;
167 _timeInfo.flags |= (kVstPpqPosValid);
174 // _timeInfo.barStartPos = ppqBar;
175 // _timeInfo.flags |= kVstBarsValid;
177 if (session->transport_speed() != 0.0f) {
178 _timeInfo.flags |= kVstTransportPlaying;
182 return (long)&_timeInfo;
184 case audioMasterProcessEvents:
185 SHOW_CALLBACK ("amc: audioMasterProcessEvents\n");
186 // VstEvents* in <ptr>
189 case audioMasterSetTime:
190 SHOW_CALLBACK ("amc: audioMasterSetTime\n");
191 // VstTimenfo* in <ptr>, filter in <value>, not supported
193 case audioMasterTempoAt:
194 SHOW_CALLBACK ("amc: audioMasterTempoAt\n");
195 // returns tempo (in bpm * 10000) at sample frame location passed in <value>
197 const Tempo& t (session->tempo_map().tempo_at (value));
198 return t.beats_per_minute() * 1000;
204 case audioMasterGetNumAutomatableParameters:
205 SHOW_CALLBACK ("amc: audioMasterGetNumAutomatableParameters\n");
208 case audioMasterGetParameterQuantization:
209 SHOW_CALLBACK ("amc: audioMasterGetParameterQuantization\n");
210 // returns the integer value for +1.0 representation,
211 // or 1 if full single float precision is maintained
212 // in automation. parameter index in <value> (-1: all, any)
215 case audioMasterIOChanged:
216 SHOW_CALLBACK ("amc: audioMasterIOChanged\n");
217 // numInputs and/or numOutputs has changed
220 case audioMasterNeedIdle:
221 SHOW_CALLBACK ("amc: audioMasterNeedIdle\n");
222 // plug needs idle calls (outside its editor window)
224 plug->state()->wantIdle = 1;
228 case audioMasterSizeWindow:
229 SHOW_CALLBACK ("amc: audioMasterSizeWindow\n");
230 // index: width, value: height
233 case audioMasterGetSampleRate:
234 SHOW_CALLBACK ("amc: audioMasterGetSampleRate\n");
236 return session->frame_rate();
240 case audioMasterGetBlockSize:
241 SHOW_CALLBACK ("amc: audioMasterGetBlockSize\n");
243 return session->get_block_size();
247 case audioMasterGetInputLatency:
248 SHOW_CALLBACK ("amc: audioMasterGetInputLatency\n");
251 case audioMasterGetOutputLatency:
252 SHOW_CALLBACK ("amc: audioMasterGetOutputLatency\n");
255 case audioMasterGetPreviousPlug:
256 SHOW_CALLBACK ("amc: audioMasterGetPreviousPlug\n");
257 // input pin in <value> (-1: first to come), returns cEffect*
260 case audioMasterGetNextPlug:
261 SHOW_CALLBACK ("amc: audioMasterGetNextPlug\n");
262 // output pin in <value> (-1: first to come), returns cEffect*
264 case audioMasterWillReplaceOrAccumulate:
265 SHOW_CALLBACK ("amc: audioMasterWillReplaceOrAccumulate\n");
266 // returns: 0: not supported, 1: replace, 2: accumulate
269 case audioMasterGetCurrentProcessLevel:
270 SHOW_CALLBACK ("amc: audioMasterGetCurrentProcessLevel\n");
271 // returns: 0: not supported,
272 // 1: currently in user thread (gui)
273 // 2: currently in audio thread (where process is called)
274 // 3: currently in 'sequencer' thread (midi, timer etc)
275 // 4: currently offline processing and thus in user thread
276 // other: not defined, but probably pre-empting user thread.
279 case audioMasterGetAutomationState:
280 SHOW_CALLBACK ("amc: audioMasterGetAutomationState\n");
281 // returns 0: not supported, 1: off, 2:read, 3:write, 4:read/write
285 case audioMasterOfflineStart:
286 SHOW_CALLBACK ("amc: audioMasterOfflineStart\n");
289 case audioMasterOfflineRead:
290 SHOW_CALLBACK ("amc: audioMasterOfflineRead\n");
291 // ptr points to offline structure, see below. return 0: error, 1 ok
294 case audioMasterOfflineWrite:
295 SHOW_CALLBACK ("amc: audioMasterOfflineWrite\n");
299 case audioMasterOfflineGetCurrentPass:
300 SHOW_CALLBACK ("amc: audioMasterOfflineGetCurrentPass\n");
303 case audioMasterOfflineGetCurrentMetaPass:
304 SHOW_CALLBACK ("amc: audioMasterOfflineGetCurrentMetaPass\n");
307 case audioMasterSetOutputSampleRate:
308 SHOW_CALLBACK ("amc: audioMasterSetOutputSampleRate\n");
309 // for variable i/o, sample rate in <opt>
312 case audioMasterGetSpeakerArrangement:
313 SHOW_CALLBACK ("amc: audioMasterGetSpeakerArrangement\n");
314 // (long)input in <value>, output in <ptr>
317 case audioMasterGetVendorString:
318 SHOW_CALLBACK ("amc: audioMasterGetVendorString\n");
319 // fills <ptr> with a string identifying the vendor (max 64 char)
320 strcpy ((char*) ptr, "Linux Audio Systems");
323 case audioMasterGetProductString:
324 SHOW_CALLBACK ("amc: audioMasterGetProductString\n");
325 // fills <ptr> with a string with product name (max 64 char)
326 strcpy ((char*) ptr, PROGRAM_NAME);
329 case audioMasterGetVendorVersion:
330 SHOW_CALLBACK ("amc: audioMasterGetVendorVersion\n");
331 // returns vendor-specific version
334 case audioMasterVendorSpecific:
335 SHOW_CALLBACK ("amc: audioMasterVendorSpecific\n");
336 // no definition, vendor specific handling
339 case audioMasterSetIcon:
340 SHOW_CALLBACK ("amc: audioMasterSetIcon\n");
341 // void* in <ptr>, format not defined yet
344 case audioMasterCanDo:
345 SHOW_CALLBACK ("amc: audioMasterCanDo\n");
346 // string in ptr, see below
349 case audioMasterGetLanguage:
350 SHOW_CALLBACK ("amc: audioMasterGetLanguage\n");
354 case audioMasterOpenWindow:
355 SHOW_CALLBACK ("amc: audioMasterOpenWindow\n");
356 // returns platform specific ptr
359 case audioMasterCloseWindow:
360 SHOW_CALLBACK ("amc: audioMasterCloseWindow\n");
361 // close window, platform specific handle in <ptr>
364 case audioMasterGetDirectory:
365 SHOW_CALLBACK ("amc: audioMasterGetDirectory\n");
366 // get plug directory, FSSpec on MAC, else char*
369 case audioMasterUpdateDisplay:
370 SHOW_CALLBACK ("amc: audioMasterUpdateDisplay\n");
371 // something has changed, update 'multi-fx' display
373 effect->dispatcher(effect, effEditIdle, 0, 0, NULL, 0.0f);
377 case audioMasterBeginEdit:
378 SHOW_CALLBACK ("amc: audioMasterBeginEdit\n");
379 // begin of automation session (when mouse down), parameter index in <index>
382 case audioMasterEndEdit:
383 SHOW_CALLBACK ("amc: audioMasterEndEdit\n");
384 // end of automation session (when mouse up), parameter index in <index>
387 case audioMasterOpenFileSelector:
388 SHOW_CALLBACK ("amc: audioMasterOpenFileSelector\n");
389 // open a fileselector window with VstFileSelect* in <ptr>
393 SHOW_CALLBACK ("VST master dispatcher: undefed: %d\n", opcode);