along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id$
*/
+#ifndef COMPILER_MSVC
#include <stdbool.h>
+#endif
#include <cstdio>
+#include "ardour/audioengine.h"
+#include "ardour/session.h"
+#include "ardour/tempo.h"
+#include "ardour/windows_vst_plugin.h"
+#include "ardour/vestige/aeffectx.h"
+#include "ardour/vst_types.h"
+#ifdef WINDOWS_VST_SUPPORT
#include <fst.h>
-#include <vst/aeffectx.h>
-
-#include <ardour/session.h>
-#include <ardour/vst_plugin.h>
+#endif
#include "i18n.h"
-// #define DEBUG_CALLBACKS
+#define DEBUG_CALLBACKS
+static int debug_callbacks = -1;
#ifdef DEBUG_CALLBACKS
-#define SHOW_CALLBACK printf
+#define SHOW_CALLBACK if (debug_callbacks) printf
#else
#define SHOW_CALLBACK(...)
#endif
using namespace ARDOUR;
-long Session::vst_callback (AEffect* effect,
- long opcode,
- long index,
- long value,
- void* ptr,
- float opt)
+int Session::vst_current_loading_id = 0;
+const char* Session::vst_can_do_strings[] = {
+ X_("supplyIdle"),
+ X_("sendVstTimeInfo"),
+ X_("sendVstEvents"),
+ X_("sendVstMidiEvent"),
+ X_("receiveVstEvents"),
+ X_("receiveVstMidiEvent"),
+ X_("supportShell"),
+ X_("shellCategory"),
+ X_("shellCategorycurID")
+};
+const int Session::vst_can_do_string_count = sizeof (vst_can_do_strings) / sizeof (char*);
+
+intptr_t Session::vst_callback (
+ AEffect* effect,
+ int32_t opcode,
+ int32_t index,
+ intptr_t value,
+ void* ptr,
+ float opt
+ )
{
static VstTimeInfo _timeInfo;
VSTPlugin* plug;
Session* session;
- SHOW_CALLBACK ("am callback, opcode = %d", opcode);
-
+ if (debug_callbacks < 0) {
+ debug_callbacks = (getenv ("ARDOUR_DEBUG_VST_CALLBACKS") != 0);
+ }
+
if (effect && effect->user) {
- plug = static_cast<VSTPlugin*> (effect->user);
+ plug = (VSTPlugin *) (effect->user);
session = &plug->session();
+#ifdef COMPILER_MSVC
+ SHOW_CALLBACK ("am callback 0x%x, opcode = %d, plugin = \"%s\" ", (int) pthread_self().p, opcode, plug->name());
+#else
+ SHOW_CALLBACK ("am callback 0x%x, opcode = %d, plugin = \"%s\" ", (int) pthread_self(), opcode, plug->name());
+#endif
} else {
plug = 0;
session = 0;
+#ifdef COMPILER_MSVC
+ SHOW_CALLBACK ("am callback 0x%x, opcode = %d", (int) pthread_self().p, opcode);
+#else
+ SHOW_CALLBACK ("am callback 0x%x, opcode = %d", (int) pthread_self(), opcode);
+#endif
}
switch(opcode){
case audioMasterAutomate:
SHOW_CALLBACK ("amc: audioMasterAutomate\n");
// index, value, returns 0
- if (effect) {
- effect->setParameter (effect, index, opt);
+ if (plug) {
+ plug->set_parameter (index, opt);
}
return 0;
case audioMasterVersion:
SHOW_CALLBACK ("amc: audioMasterVersion\n");
// vst version, currently 2 (0 for older)
- return 2;
+ return 2400;
- case audioMasterCurrentId:
+ case audioMasterCurrentId:
SHOW_CALLBACK ("amc: audioMasterCurrentId\n");
- // returns the unique id of a plug that's currently
- // loading
- return 0;
-
+ // returns the unique id of a plug that's currently loading
+ return vst_current_loading_id;
+
case audioMasterIdle:
SHOW_CALLBACK ("amc: audioMasterIdle\n");
- // call application idle routine (this will
- // call effEditIdle for all open editors too)
+#ifdef WINDOWS_VST_SUPPORT
+ fst_audio_master_idle();
+#endif
if (effect) {
effect->dispatcher(effect, effEditIdle, 0, 0, NULL, 0.0f);
}
return 0;
- case audioMasterPinConnected:
+ case audioMasterPinConnected:
SHOW_CALLBACK ("amc: audioMasterPinConnected\n");
// inquire if an input or output is beeing connected;
// index enumerates input or output counting from zero:
case audioMasterWantMidi:
SHOW_CALLBACK ("amc: audioMasterWantMidi\n");
// <value> is a filter which is currently ignored
+ if (plug) {
+ plug->get_info()->n_inputs.set_midi (1);
+ }
return 0;
case audioMasterGetTime:
// <value> should contain a mask indicating which fields are required
// (see valid masks above), as some items may require extensive
// conversions
- memset(&_timeInfo, 0, sizeof(_timeInfo));
+ _timeInfo.flags = 0;
+
if (session) {
- _timeInfo.samplePos = session->transport_frame();
+ framepos_t now = session->transport_frame();
+
+ _timeInfo.samplePos = now;
_timeInfo.sampleRate = session->frame_rate();
+
+ const TempoMetric& tm (session->tempo_map().metric_at (now));
+
+ if (value & (kVstTempoValid)) {
+ const Tempo& t (tm.tempo());
+ _timeInfo.tempo = t.beats_per_minute ();
+ _timeInfo.flags |= (kVstTempoValid);
+ }
+ if (value & (kVstTimeSigValid)) {
+ const Meter& m (tm.meter());
+ _timeInfo.timeSigNumerator = m.divisions_per_bar ();
+ _timeInfo.timeSigDenominator = m.note_divisor ();
+ _timeInfo.flags |= (kVstTimeSigValid);
+ }
+ if ((value & (kVstPpqPosValid)) || (value & (kVstBarsValid))) {
+ Timecode::BBT_Time bbt;
+
+ try {
+ session->tempo_map().bbt_time_rt (now, bbt);
+
+ /* PPQ = pulse per quarter
+ * VST's "pulse" is our "division".
+ *
+ * 8 divisions per bar, 1 division = quarter, so 8 quarters per bar, ppq = 1
+ * 8 divisions per bar, 1 division = eighth, so 4 quarters per bar, ppq = 2
+ * 4 divisions per bar, 1 division = quarter, so 4 quarters per bar, ppq = 1
+ * 4 divisions per bar, 1 division = half, so 8 quarters per bar, ppq = 0.5
+ * 4 divisions per bar, 1 division = fifth, so (4 * 5/4) quarters per bar, ppq = 5/4
+ *
+ * general: divs_per_bar / (note_type / 4.0)
+ */
+ double ppq_scaling = tm.meter().note_divisor() / 4.0;
+
+ /* Note that this assumes constant meter/tempo throughout the session. Stupid VST */
+ double ppqBar = double(bbt.bars - 1) * tm.meter().divisions_per_bar();
+ double ppqBeat = double(bbt.beats - 1);
+ double ppqTick = double(bbt.ticks) / Timecode::BBT_Time::ticks_per_beat;
+
+ ppqBar *= ppq_scaling;
+ ppqBeat *= ppq_scaling;
+ ppqTick *= ppq_scaling;
+
+ if (value & (kVstPpqPosValid)) {
+ _timeInfo.ppqPos = ppqBar + ppqBeat + ppqTick;
+ _timeInfo.flags |= (kVstPpqPosValid);
+ }
+
+ if (value & (kVstBarsValid)) {
+ _timeInfo.barStartPos = ppqBar;
+ _timeInfo.flags |= (kVstBarsValid);
+ }
+
+ } catch (...) {
+ /* relax */
+ }
+ }
+
+ if (value & (kVstSmpteValid)) {
+ Timecode::Time t;
+
+ session->timecode_time (now, t);
+
+ _timeInfo.smpteOffset = (t.hours * t.rate * 60.0 * 60.0) +
+ (t.minutes * t.rate * 60.0) +
+ (t.seconds * t.rate) +
+ (t.frames) +
+ (t.subframes);
+
+ _timeInfo.smpteOffset *= 80.0; /* VST spec is 1/80th frames */
+
+ if (session->timecode_drop_frames()) {
+ if (session->timecode_frames_per_second() == 30.0) {
+ _timeInfo.smpteFrameRate = 5;
+ } else {
+ _timeInfo.smpteFrameRate = 4; /* 29.97 assumed, thanks VST */
+ }
+ } else {
+ if (session->timecode_frames_per_second() == 24.0) {
+ _timeInfo.smpteFrameRate = 0;
+ } else if (session->timecode_frames_per_second() == 24.975) {
+ _timeInfo.smpteFrameRate = 2;
+ } else if (session->timecode_frames_per_second() == 25.0) {
+ _timeInfo.smpteFrameRate = 1;
+ } else {
+ _timeInfo.smpteFrameRate = 3; /* 30 fps */
+ }
+ }
+ _timeInfo.flags |= (kVstSmpteValid);
+ }
+
+ if (session->transport_speed() != 0.0f) {
+ _timeInfo.flags |= (kVstTransportPlaying);
+ }
+
+ if (session->get_play_loop()) {
+ }
+
+ } else {
+ _timeInfo.samplePos = 0;
+ _timeInfo.sampleRate = AudioEngine::instance()->sample_rate();
}
- return (long)&_timeInfo;
+
+ return (intptr_t) &_timeInfo;
case audioMasterProcessEvents:
SHOW_CALLBACK ("amc: audioMasterProcessEvents\n");
// VstEvents* in <ptr>
+ if (plug && 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:
case audioMasterTempoAt:
SHOW_CALLBACK ("amc: audioMasterTempoAt\n");
// returns tempo (in bpm * 10000) at sample frame location passed in <value>
- return 0;
+ if (session) {
+ const Tempo& t (session->tempo_map().tempo_at (value));
+ return t.beats_per_minute() * 1000;
+ } else {
+ return 0;
+ }
+ break;
case audioMasterGetNumAutomatableParameters:
SHOW_CALLBACK ("amc: audioMasterGetNumAutomatableParameters\n");
return 0;
- case audioMasterGetParameterQuantization:
+ case audioMasterGetParameterQuantization:
SHOW_CALLBACK ("amc: audioMasterGetParameterQuantization\n");
- // returns the integer value for +1.0 representation,
- // or 1 if full single float precision is maintained
- // in automation. parameter index in <value> (-1: all, any)
+ // returns the integer value for +1.0 representation,
+ // or 1 if full single float precision is maintained
+ // in automation. parameter index in <value> (-1: all, any)
return 0;
case audioMasterIOChanged:
SHOW_CALLBACK ("amc: audioMasterIOChanged\n");
- // numInputs and/or numOutputs has changed
+ // numInputs and/or numOutputs has changed
return 0;
case audioMasterNeedIdle:
SHOW_CALLBACK ("amc: audioMasterNeedIdle\n");
- // plug needs idle calls (outside its editor window)
+ // plug needs idle calls (outside its editor window)
+ if (plug) {
+ plug->state()->wantIdle = 1;
+ }
return 0;
case audioMasterSizeWindow:
case audioMasterGetSampleRate:
SHOW_CALLBACK ("amc: audioMasterGetSampleRate\n");
+ if (session) {
+ return session->frame_rate();
+ }
return 0;
case audioMasterGetBlockSize:
SHOW_CALLBACK ("amc: audioMasterGetBlockSize\n");
+ if (session) {
+ return session->get_block_size();
+ }
return 0;
case audioMasterGetInputLatency:
case audioMasterGetPreviousPlug:
SHOW_CALLBACK ("amc: audioMasterGetPreviousPlug\n");
- // input pin in <value> (-1: first to come), returns cEffect*
+ // input pin in <value> (-1: first to come), returns cEffect*
return 0;
case audioMasterGetNextPlug:
SHOW_CALLBACK ("amc: audioMasterGetNextPlug\n");
- // output pin in <value> (-1: first to come), returns cEffect*
+ // output pin in <value> (-1: first to come), returns cEffect*
case audioMasterWillReplaceOrAccumulate:
SHOW_CALLBACK ("amc: audioMasterWillReplaceOrAccumulate\n");
- // returns: 0: not supported, 1: replace, 2: accumulate
+ // returns: 0: not supported, 1: replace, 2: accumulate
return 0;
case audioMasterGetCurrentProcessLevel:
// 4: currently offline processing and thus in user thread
// other: not defined, but probably pre-empting user thread.
return 0;
-
+
case audioMasterGetAutomationState:
SHOW_CALLBACK ("amc: audioMasterGetAutomationState\n");
// returns 0: not supported, 1: off, 2:read, 3:write, 4:read/write
case audioMasterOfflineStart:
SHOW_CALLBACK ("amc: audioMasterOfflineStart\n");
+ return 0;
+
case audioMasterOfflineRead:
SHOW_CALLBACK ("amc: audioMasterOfflineRead\n");
- // ptr points to offline structure, see below. return 0: error, 1 ok
+ // ptr points to offline structure, see below. return 0: error, 1 ok
return 0;
case audioMasterOfflineWrite:
case audioMasterOfflineGetCurrentPass:
SHOW_CALLBACK ("amc: audioMasterOfflineGetCurrentPass\n");
+ return 0;
+
case audioMasterOfflineGetCurrentMetaPass:
SHOW_CALLBACK ("amc: audioMasterOfflineGetCurrentMetaPass\n");
return 0;
case audioMasterGetProductString:
SHOW_CALLBACK ("amc: audioMasterGetProductString\n");
// fills <ptr> with a string with product name (max 64 char)
- strcpy ((char*) ptr, "Ardour");
+ strcpy ((char*) ptr, PROGRAM_NAME);
return 0;
case audioMasterGetVendorVersion:
SHOW_CALLBACK ("amc: audioMasterGetVendorVersion\n");
// returns vendor-specific version
return 900;
-
+
case audioMasterVendorSpecific:
SHOW_CALLBACK ("amc: audioMasterVendorSpecific\n");
// no definition, vendor specific handling
return 0;
-
+
case audioMasterSetIcon:
SHOW_CALLBACK ("amc: audioMasterSetIcon\n");
// void* in <ptr>, format not defined yet
return 0;
-
+
case audioMasterCanDo:
SHOW_CALLBACK ("amc: audioMasterCanDo\n");
- // string in ptr, see below
+ // string in ptr, (const char*)ptr
+ for (int i = 0; i < vst_can_do_string_count; i++) {
+ if (! strcmp(vst_can_do_strings[i], (const char*)ptr)) {
+ return 1;
+ }
+ }
return 0;
-
+
case audioMasterGetLanguage:
SHOW_CALLBACK ("amc: audioMasterGetLanguage\n");
// see enum
return 0;
-
+
case audioMasterOpenWindow:
SHOW_CALLBACK ("amc: audioMasterOpenWindow\n");
// returns platform specific ptr
return 0;
-
+
case audioMasterCloseWindow:
SHOW_CALLBACK ("amc: audioMasterCloseWindow\n");
// close window, platform specific handle in <ptr>
return 0;
-
+
case audioMasterGetDirectory:
SHOW_CALLBACK ("amc: audioMasterGetDirectory\n");
// get plug directory, FSSpec on MAC, else char*
return 0;
-
+
case audioMasterUpdateDisplay:
SHOW_CALLBACK ("amc: audioMasterUpdateDisplay\n");
// something has changed, update 'multi-fx' display
effect->dispatcher(effect, effEditIdle, 0, 0, NULL, 0.0f);
}
return 0;
-
+
case audioMasterBeginEdit:
SHOW_CALLBACK ("amc: audioMasterBeginEdit\n");
// begin of automation session (when mouse down), parameter index in <index>
return 0;
-
+
case audioMasterEndEdit:
SHOW_CALLBACK ("amc: audioMasterEndEdit\n");
// end of automation session (when mouse up), parameter index in <index>
return 0;
-
+
case audioMasterOpenFileSelector:
SHOW_CALLBACK ("amc: audioMasterOpenFileSelector\n");
// open a fileselector window with VstFileSelect* in <ptr>
return 0;
-
+
default:
- SHOW_CALLBACK ("VST master dispatcher: undefed: %d, %d\n", opcode, effKeysRequired);
+ SHOW_CALLBACK ("VST master dispatcher: undefed: %d\n", opcode);
break;
- }
-
+ }
+
return 0;
}