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dssi-vst-server.cpp
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dssi-vst-server.cpp
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// -*- c-basic-offset: 4 -*-
/*
dssi-vst: a DSSI plugin wrapper for VST effects and instruments
Copyright 2012-2013 Filipe Coelho
Copyright 2010-2011 Kristian Amlie
Copyright 2004-2010 Chris Cannam
*/
#include <iostream>
#include <fstream>
#include <vector>
#include <string>
#include <map>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <fcntl.h>
#include <sys/un.h>
#include <sys/time.h>
#include <sys/poll.h>
#include <time.h>
#include <unistd.h>
#include <sched.h>
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <jack/jack.h>
#define VST_FORCE_DEPRECATED 0
#include "aeffectx.h"
#include "remotepluginserver.h"
#include "paths.h"
#include "rdwrops.h"
#define APPLICATION_CLASS_NAME "dssi_vst"
#define OLD_PLUGIN_ENTRY_POINT "main"
#define NEW_PLUGIN_ENTRY_POINT "VSTPluginMain"
#if VST_FORCE_DEPRECATED
#define DEPRECATED_VST_SYMBOL(x) __##x##Deprecated
#else
#define DEPRECATED_VST_SYMBOL(x) x
#endif
#define effGetProgramNameIndexed 29
struct Rect {
short top;
short left;
short bottom;
short right;
};
static bool inProcessThread = false;
static HANDLE audioThreadHandle = 0;
static bool exiting = false;
static HWND hWnd = 0;
static double currentSamplePosition = 0.0;
static bool ready = false;
static bool alive = false;
static int bufferSize = 0;
static int sampleRate = 0;
static bool guiVisible = false;
static bool needIdle = false;
static RemotePluginDebugLevel debugLevel = RemotePluginDebugNone;
static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
static jack_client_t* jack_client = 0;
static int jack_process_callback(jack_nframes_t, void*)
{ return 0; }
using namespace std;
class RemoteVSTServer : public RemotePluginServer
{
public:
RemoteVSTServer(std::string fileIdentifiers, AEffect *plugin, std::string fallbackName);
virtual ~RemoteVSTServer();
virtual bool isReady() { return ready; }
virtual std::string getName() { return m_name; }
virtual std::string getMaker() { return m_maker; }
virtual void setBufferSize(int);
virtual void setSampleRate(int);
virtual void reset();
virtual void terminate();
virtual int getInputCount() { return m_plugin->numInputs; }
virtual int getOutputCount() { return m_plugin->numOutputs; }
virtual int getParameterCount() { return m_plugin->numParams; }
virtual std::string getParameterName(int);
virtual void setParameter(int, float);
virtual float getParameter(int);
virtual float getParameterDefault(int);
virtual void getParameters(int, int, float *);
virtual int getProgramCount() { return m_plugin->numPrograms; }
virtual std::string getProgramName(int);
virtual void setCurrentProgram(int);
virtual bool hasMIDIInput() { return m_hasMIDI; }
virtual void sendMIDIData(unsigned char *data,
int *frameOffsets,
int events);
virtual void showGUI(std::string);
virtual void hideGUI();
//Deryabin Andrew: vst chunks support
virtual std::vector<char> getVSTChunk();
virtual bool setVSTChunk(std::vector<char>);
//Deryabin Andrew: vst chunks support: end code
virtual void process(float **inputs, float **outputs);
virtual void setDebugLevel(RemotePluginDebugLevel level) {
debugLevel = level;
}
virtual bool warn(std::string);
void startEdit();
void endEdit();
void monitorEdits();
void scheduleGUINotify(int index, float value);
void notifyGUI(int index, float value);
void checkGUIExited();
void terminateGUIProcess();
private:
AEffect *m_plugin;
std::string m_name;
std::string m_maker;
// These should be referred to from the GUI thread only
std::string m_guiFifoFile;
int m_guiFifoFd;
int m_guiEventsExpected;
struct timeval m_lastGuiComms;
// To be written by the audio thread and read by the GUI thread
#define PARAMETER_CHANGE_COUNT 200
int m_paramChangeIndices[PARAMETER_CHANGE_COUNT];
float m_paramChangeValues[PARAMETER_CHANGE_COUNT];
int m_paramChangeReadIndex;
int m_paramChangeWriteIndex;
enum {
EditNone,
EditStarted,
EditFinished
} m_editLevel;
float *m_defaults;
float *m_values;
bool m_hasMIDI;
};
static RemoteVSTServer *remoteVSTServerInstance = 0;
RemoteVSTServer::RemoteVSTServer(std::string fileIdentifiers,
AEffect *plugin, std::string fallbackName) :
RemotePluginServer(fileIdentifiers),
m_plugin(plugin),
m_name(fallbackName),
m_maker(""),
m_guiFifoFile(""),
m_guiFifoFd(-1),
m_guiEventsExpected(0),
m_paramChangeReadIndex(0),
m_paramChangeWriteIndex(0),
m_editLevel(EditNone)
{
pthread_mutex_lock(&mutex);
if (debugLevel > 0) {
cerr << "dssi-vst-server[1]: opening plugin" << endl;
}
m_plugin->dispatcher(m_plugin, effOpen, 0, 0, NULL, 0);
m_plugin->dispatcher(m_plugin, effMainsChanged, 0, 0, NULL, 0);
m_hasMIDI = false;
if (m_plugin->dispatcher(m_plugin, effGetVstVersion, 0, 0, NULL, 0) < 2) {
if (debugLevel > 0) {
cerr << "dssi-vst-server[1]: plugin is VST 1.x" << endl;
}
} else {
if (debugLevel > 0) {
cerr << "dssi-vst-server[1]: plugin is VST 2.0 or newer" << endl;
}
if ((m_plugin->flags & effFlagsIsSynth)) {
if (debugLevel > 0) {
cerr << "dssi-vst-server[1]: plugin is a synth" << endl;
}
m_hasMIDI = true;
} else {
if (debugLevel > 0) {
cerr << "dssi-vst-server[1]: plugin is not a synth" << endl;
}
if (m_plugin->dispatcher(m_plugin, effCanDo, 0, 0, (void *)"receiveVstMidiEvent", 0) > 0) {
if (debugLevel > 0) {
cerr << "dssi-vst-server[1]: plugin can receive MIDI anyway" << endl;
}
m_hasMIDI = true;
}
}
}
char buffer[65];
buffer[0] = '\0';
m_plugin->dispatcher(m_plugin, effGetEffectName, 0, 0, buffer, 0);
if (debugLevel > 0) {
cerr << "dssi-vst-server[1]: plugin name is \"" << buffer
<< "\"" << endl;
}
if (buffer[0]) m_name = buffer;
buffer[0] = '\0';
m_plugin->dispatcher(m_plugin, effGetVendorString, 0, 0, buffer, 0);
if (debugLevel > 0) {
cerr << "dssi-vst-server[1]: vendor string is \"" << buffer
<< "\"" << endl;
}
if (buffer[0]) m_maker = buffer;
m_plugin->dispatcher(m_plugin, effMainsChanged, 0, 1, NULL, 0);
m_defaults = new float[m_plugin->numParams];
m_values = new float[m_plugin->numParams];
for (int i = 0; i < m_plugin->numParams; ++i) {
m_defaults[i] = m_plugin->getParameter(m_plugin, i);
m_values[i] = m_defaults[i];
}
pthread_mutex_unlock(&mutex);
}
RemoteVSTServer::~RemoteVSTServer()
{
pthread_mutex_lock(&mutex);
if (m_guiFifoFd >= 0) {
try {
writeOpcode(m_guiFifoFd, RemotePluginTerminate);
} catch (...) { }
close(m_guiFifoFd);
}
if (guiVisible) {
ShowWindow(hWnd, SW_HIDE);
UpdateWindow(hWnd);
m_plugin->dispatcher(m_plugin, effEditClose, 0, 0, 0, 0);
guiVisible = false;
}
m_plugin->dispatcher(m_plugin, effMainsChanged, 0, 0, NULL, 0);
m_plugin->dispatcher(m_plugin, effClose, 0, 0, NULL, 0);
delete[] m_defaults;
pthread_mutex_unlock(&mutex);
}
void
RemoteVSTServer::process(float **inputs, float **outputs)
{
if (pthread_mutex_trylock(&mutex)) {
for (int i = 0; i < m_plugin->numOutputs; ++i) {
memset(outputs[i], 0, bufferSize * sizeof(float));
}
currentSamplePosition += bufferSize;
return;
}
inProcessThread = true;
// superclass guarantees setBufferSize will be called before this
m_plugin->processReplacing(m_plugin, inputs, outputs, bufferSize);
currentSamplePosition += bufferSize;
inProcessThread = false;
pthread_mutex_unlock(&mutex);
}
void
RemoteVSTServer::setBufferSize(int sz)
{
pthread_mutex_lock(&mutex);
if (bufferSize != sz) {
m_plugin->dispatcher(m_plugin, effMainsChanged, 0, 0, NULL, 0);
m_plugin->dispatcher(m_plugin, effSetBlockSize, 0, sz, NULL, 0);
m_plugin->dispatcher(m_plugin, effMainsChanged, 0, 1, NULL, 0);
bufferSize = sz;
}
if (debugLevel > 0) {
cerr << "dssi-vst-server[1]: set buffer size to " << sz << endl;
}
pthread_mutex_unlock(&mutex);
}
void
RemoteVSTServer::setSampleRate(int sr)
{
pthread_mutex_lock(&mutex);
if (sampleRate != sr) {
m_plugin->dispatcher(m_plugin, effMainsChanged, 0, 0, NULL, 0);
m_plugin->dispatcher(m_plugin, effSetSampleRate, 0, 0, NULL, (float)sr);
m_plugin->dispatcher(m_plugin, effMainsChanged, 0, 1, NULL, 0);
sampleRate = sr;
}
if (debugLevel > 0) {
cerr << "dssi-vst-server[1]: set sample rate to " << sr << endl;
}
pthread_mutex_unlock(&mutex);
}
void
RemoteVSTServer::reset()
{
pthread_mutex_lock(&mutex);
cerr << "dssi-vst-server[1]: reset" << endl;
m_plugin->dispatcher(m_plugin, effMainsChanged, 0, 0, NULL, 0);
m_plugin->dispatcher(m_plugin, effMainsChanged, 0, 1, NULL, 0);
pthread_mutex_unlock(&mutex);
}
void
RemoteVSTServer::terminate()
{
cerr << "RemoteVSTServer::terminate: setting exiting flag" << endl;
exiting = true;
}
std::string
RemoteVSTServer::getParameterName(int p)
{
char name[24];
m_plugin->dispatcher(m_plugin, effGetParamName, p, 0, name, 0);
return name;
}
void
RemoteVSTServer::setParameter(int p, float v)
{
if (debugLevel > 1) {
cerr << "dssi-vst-server[2]: setParameter (" << p << "," << v << ")" << endl;
}
pthread_mutex_lock(&mutex);
if (debugLevel > 1)
cerr << "RemoteVSTServer::setParameter (" << p << "," << v << "): " << m_guiEventsExpected << " events expected" << endl;
if (m_guiFifoFd < 0) {
m_guiEventsExpected = 0;
}
if (m_guiEventsExpected > 0) {
//!!! should be per-parameter of course!
struct timeval tv;
gettimeofday(&tv, NULL);
if (tv.tv_sec > m_lastGuiComms.tv_sec + 10) {
m_guiEventsExpected = 0;
} else {
--m_guiEventsExpected;
//cerr << "Reduced to " << m_guiEventsExpected << endl;
pthread_mutex_unlock(&mutex);
return;
}
}
pthread_mutex_unlock(&mutex);
m_plugin->setParameter(m_plugin, p, v);
}
float
RemoteVSTServer::getParameter(int p)
{
return m_plugin->getParameter(m_plugin, p);
}
float
RemoteVSTServer::getParameterDefault(int p)
{
return m_defaults[p];
}
void
RemoteVSTServer::getParameters(int p0, int pn, float *v)
{
for (int i = p0; i <= pn; ++i) {
v[i - p0] = m_plugin->getParameter(m_plugin, i);
}
}
std::string
RemoteVSTServer::getProgramName(int p)
{
if (debugLevel > 1) {
cerr << "dssi-vst-server[2]: getProgramName(" << p << ")" << endl;
}
pthread_mutex_lock(&mutex);
char name[24];
if (m_plugin->dispatcher(m_plugin, effGetVstVersion, 0, 0, NULL, 0) < 2) {
long prevProgram =
m_plugin->dispatcher(m_plugin, effGetProgram, 0, 0, NULL, 0);
m_plugin->dispatcher(m_plugin, effSetProgram, 0, p, NULL, 0);
m_plugin->dispatcher(m_plugin, effGetProgramName, p, 0, name, 0);
m_plugin->dispatcher(m_plugin, effSetProgram, 0, prevProgram, NULL, 0);
} else {
m_plugin->dispatcher(m_plugin, effGetProgramNameIndexed, p, 0, name, 0);
}
pthread_mutex_unlock(&mutex);
return name;
}
void
RemoteVSTServer::setCurrentProgram(int p)
{
if (debugLevel > 1) {
cerr << "dssi-vst-server[2]: setCurrentProgram(" << p << ")" << endl;
}
pthread_mutex_lock(&mutex);
m_plugin->dispatcher(m_plugin, effSetProgram, 0, p, 0, 0);
pthread_mutex_unlock(&mutex);
}
void
RemoteVSTServer::sendMIDIData(unsigned char *data, int *frameOffsets, int events)
{
#define MIDI_EVENT_BUFFER_COUNT 1024
static VstMidiEvent vme[MIDI_EVENT_BUFFER_COUNT];
static char evbuf[sizeof(VstMidiEvent *) * MIDI_EVENT_BUFFER_COUNT +
sizeof(VstEvents)];
VstEvents *vstev = (VstEvents *)evbuf;
vstev->reserved = 0;
int ix = 0;
if (events > MIDI_EVENT_BUFFER_COUNT) {
std::cerr << "vstserv: WARNING: " << events << " MIDI events received "
<< "for " << MIDI_EVENT_BUFFER_COUNT << "-event buffer"
<< std::endl;
events = MIDI_EVENT_BUFFER_COUNT;
}
while (ix < events) {
vme[ix].type = kVstMidiType;
vme[ix].byteSize = 24;
vme[ix].deltaFrames = (frameOffsets ? frameOffsets[ix] : 0);
vme[ix].flags = 0;
vme[ix].noteLength = 0;
vme[ix].noteOffset = 0;
vme[ix].detune = 0;
vme[ix].noteOffVelocity = 0;
vme[ix].reserved1 = 0;
vme[ix].reserved2 = 0;
vme[ix].midiData[0] = data[ix*3];
vme[ix].midiData[1] = data[ix*3+1];
vme[ix].midiData[2] = data[ix*3+2];
vme[ix].midiData[3] = 0;
vstev->events[ix] = (VstEvent *)&vme[ix];
if (debugLevel > 1) {
cerr << "dssi-vst-server[2]: MIDI event in: "
<< (int)data[ix*3] << " "
<< (int)data[ix*3+1] << " "
<< (int)data[ix*3+2] << endl;
}
++ix;
}
pthread_mutex_lock(&mutex);
vstev->numEvents = events;
m_plugin->dispatcher(m_plugin, effProcessEvents, 0, 0, vstev, 0);
pthread_mutex_unlock(&mutex);
}
bool
RemoteVSTServer::warn(std::string warning)
{
if (hWnd) MessageBox(hWnd, warning.c_str(), "Error", 0);
return true;
}
void
RemoteVSTServer::showGUI(std::string guiData)
{
if (debugLevel > 0) {
cerr << "RemoteVSTServer::showGUI(" << guiData << "): guiVisible is " << guiVisible << endl;
}
if (guiVisible) return;
if (guiData != m_guiFifoFile || m_guiFifoFd < 0) {
if (m_guiFifoFd >= 0) {
close(m_guiFifoFd);
m_guiFifoFd = -1;
}
m_guiFifoFile = guiData;
if ((m_guiFifoFd = open(m_guiFifoFile.c_str(), O_WRONLY | O_NONBLOCK)) < 0) {
perror(m_guiFifoFile.c_str());
cerr << "WARNING: Failed to open FIFO to GUI manager process" << endl;
pthread_mutex_unlock(&mutex);
return;
}
writeOpcode(m_guiFifoFd, RemotePluginIsReady);
}
m_plugin->dispatcher(m_plugin, effEditOpen, 0, 0, hWnd, 0);
Rect *rect = 0;
m_plugin->dispatcher(m_plugin, effEditGetRect, 0, 0, &rect, 0);
if (!rect) {
cerr << "dssi-vst-server: ERROR: Plugin failed to report window size\n" << endl;
} else {
// Seems we need to provide space in here for the titlebar
// and frame, even though we don't know how big they'll
// be! How crap.
SetWindowPos(hWnd, 0, 0, 0,
rect->right - rect->left + 6,
rect->bottom - rect->top + 25,
SWP_NOACTIVATE | SWP_NOMOVE |
SWP_NOOWNERZORDER | SWP_NOZORDER);
if (debugLevel > 0) {
cerr << "dssi-vst-server[1]: sized window" << endl;
}
ShowWindow(hWnd, SW_SHOWNORMAL);
UpdateWindow(hWnd);
guiVisible = true;
}
m_paramChangeReadIndex = m_paramChangeWriteIndex;
}
void
RemoteVSTServer::hideGUI()
{
if (!guiVisible) return;
if (m_guiFifoFd >= 0) {
int fd = m_guiFifoFd;
m_guiFifoFd = -1;
close(fd);
}
ShowWindow(hWnd, SW_HIDE);
UpdateWindow(hWnd);
m_plugin->dispatcher(m_plugin, effEditClose, 0, 0, 0, 0);
guiVisible = false;
}
//Deryabin Andrew: vst chunks support
std::vector<char> RemoteVSTServer::getVSTChunk()
{
cerr << "dssi-vst-server: Getting vst chunk from plugin.." << endl;
char * chunkraw = 0;
int len = m_plugin->dispatcher(m_plugin, 23, 0, 0, (void **)&chunkraw, 0);
std::vector<char> chunk;
for(int i = 0; i < len; i++)
{
chunk.push_back(chunkraw [i]);
}
if (len > 0)
{
cerr << "Got " << len << " bytes chunk." << endl;
}
return chunk;
}
bool RemoteVSTServer::setVSTChunk(std::vector<char> chunk)
{
cerr << "dssi-vst-server: Sending vst chunk to plugin. Size=" << chunk.size() << endl;
std::vector<char>::pointer ptr = &chunk [0];
pthread_mutex_lock(&mutex);
m_plugin->dispatcher(m_plugin, 24, 0, chunk.size(), (void *)ptr, 0);
pthread_mutex_unlock(&mutex);
return true;
}
//Deryabin Andrew: vst chunks support: end code
void
RemoteVSTServer::startEdit()
{
m_editLevel = EditStarted;
}
void
RemoteVSTServer::endEdit()
{
m_editLevel = EditFinished;
}
void
RemoteVSTServer::monitorEdits()
{
if (m_editLevel != EditNone) {
if (m_editLevel == EditFinished) m_editLevel = EditNone;
for (int i = 0; i < m_plugin->numParams; ++i) {
float actual = m_plugin->getParameter(m_plugin, i);
if (actual != m_values[i]) {
m_values[i] = actual;
notifyGUI(i, actual);
}
}
}
while (m_paramChangeReadIndex != m_paramChangeWriteIndex) {
int index = m_paramChangeIndices[m_paramChangeReadIndex];
float value = m_paramChangeValues[m_paramChangeReadIndex];
if (value != m_values[index]) {
m_values[index] = value;
notifyGUI(index, value);
}
m_paramChangeReadIndex =
(m_paramChangeReadIndex + 1) % PARAMETER_CHANGE_COUNT;
}
}
void
RemoteVSTServer::scheduleGUINotify(int index, float value)
{
int ni = (m_paramChangeWriteIndex + 1) % PARAMETER_CHANGE_COUNT;
if (ni == m_paramChangeReadIndex) return;
m_paramChangeIndices[m_paramChangeWriteIndex] = index;
m_paramChangeValues[m_paramChangeWriteIndex] = value;
m_paramChangeWriteIndex = ni;
}
void
RemoteVSTServer::notifyGUI(int index, float value)
{
if (m_guiFifoFd >= 0) {
if (debugLevel > 1) {
cerr << "RemoteVSTServer::notifyGUI(" << index << "," << value << "): about to lock" << endl;
}
try {
writeOpcode(m_guiFifoFd, RemotePluginSetParameter);
int i = (int)index;
writeInt(m_guiFifoFd, i);
writeFloat(m_guiFifoFd, value);
gettimeofday(&m_lastGuiComms, NULL);
++m_guiEventsExpected;
} catch (RemotePluginClosedException e) {
hideGUI();
}
if (debugLevel > 1) {
cerr << "wrote (" << index << "," << value << ") to gui (" << m_guiEventsExpected << " events expected now)" << endl;
}
}
}
void
RemoteVSTServer::checkGUIExited()
{
if (m_guiFifoFd >= 0) {
struct pollfd pfd;
pfd.fd = m_guiFifoFd;
pfd.events = POLLHUP;
if (poll(&pfd, 1, 0) != 0) {
m_guiFifoFd = -1;
}
}
}
void
RemoteVSTServer::terminateGUIProcess()
{
if (m_guiFifoFd >= 0) {
writeOpcode(m_guiFifoFd, RemotePluginTerminate);
m_guiFifoFd = -1;
}
}
#if 1 // vestige header
#define kVstTransportChanged 1
#define kVstVersion 2400
struct VstTimeInfo_R {
double samplePos, sampleRate, nanoSeconds, ppqPos, tempo, barStartPos, cycleStartPos, cycleEndPos;
int32_t timeSigNumerator, timeSigDenominator, smpteOffset, smpteFrameRate, samplesToNextClock, flags;
};
intptr_t
hostCallback(AEffect *plugin, int32_t opcode, int32_t index,
intptr_t value, void *ptr, float opt)
#elif VST_2_4_EXTENSIONS
typedef VstTimeInfo VstTimeInfo_R;
VstIntPtr VSTCALLBACK
hostCallback(AEffect *plugin, VstInt32 opcode, VstInt32 index,
VstIntPtr value, void *ptr, float opt)
#else
typedef VstTimeInfo VstTimeInfo_R;
long VSTCALLBACK
hostCallback(AEffect *plugin, long opcode, long index,
long value, void *ptr, float opt)
#endif
{
static VstTimeInfo_R timeInfo;
int rv = 0;
switch (opcode) {
case audioMasterAutomate:
{
/*!!! Automation:
When something changes here, we send it straight to the GUI
via our back channel. The GUI sends it back to the host via
configure; that comes to us; and we somehow need to know to
ignore it. Checking whether it's the same as the existing
param value won't cut it, as we might be changing that
continuously. (Shall we record that we're expecting the
configure call because we just sent to the GUI?)
*/
float v = plugin->getParameter(plugin, index);
if (debugLevel > 1)
cerr << "dssi-vst-server[2]: audioMasterAutomate(" << index << "," << v << ")" << endl;
if (remoteVSTServerInstance)
remoteVSTServerInstance->scheduleGUINotify(index, v);
break;
}
case audioMasterVersion:
if (debugLevel > 1)
cerr << "dssi-vst-server[2]: audioMasterVersion requested" << endl;
rv = kVstVersion;
break;
case audioMasterCurrentId:
if (debugLevel > 1)
cerr << "dssi-vst-server[2]: audioMasterCurrentId requested" << endl;
rv = 0;
break;
case audioMasterIdle:
if (debugLevel > 1)
cerr << "dssi-vst-server[2]: audioMasterIdle requested" << endl;
if (plugin)
plugin->dispatcher(plugin, effEditIdle, 0, 0, 0, 0);
break;
case DEPRECATED_VST_SYMBOL(audioMasterPinConnected):
if (debugLevel > 1)
cerr << "dssi-vst-server[2]: audioMasterPinConnected requested" << endl;
break;
case DEPRECATED_VST_SYMBOL(audioMasterWantMidi):
if (debugLevel > 1) {
cerr << "dssi-vst-server[2]: audioMasterWantMidi requested" << endl;
}
// happy to oblige
rv = 1;
break;
case audioMasterGetTime:
// if (debugLevel > 1)
// cerr << "dssi-vst-server[2]: audioMasterGetTime requested" << endl;
memset(&timeInfo, 0, sizeof(VstTimeInfo_R));
timeInfo.sampleRate = sampleRate;
timeInfo.samplePos = currentSamplePosition;
if (jack_client)
{
jack_position_t jack_pos;
jack_transport_state_t jack_state;
jack_state = jack_transport_query(jack_client, &jack_pos);
if (jack_pos.unique_1 == jack_pos.unique_2)
{
timeInfo.sampleRate = jack_pos.frame_rate;
timeInfo.samplePos = jack_pos.frame;
timeInfo.nanoSeconds = jack_pos.usecs/1000;
timeInfo.flags |= kVstTransportChanged;
timeInfo.flags |= kVstNanosValid;
if (jack_state == JackTransportRolling)
timeInfo.flags |= kVstTransportPlaying;
if (jack_pos.valid & JackPositionBBT)
{
double ppqBar = double(jack_pos.bar - 1) * jack_pos.beats_per_bar;
double ppqBeat = double(jack_pos.beat - 1);
double ppqTick = double(jack_pos.tick) / jack_pos.ticks_per_beat;
// PPQ Pos
timeInfo.ppqPos = ppqBar + ppqBeat + ppqTick;
timeInfo.flags |= kVstPpqPosValid;
// Tempo
timeInfo.tempo = jack_pos.beats_per_minute;
timeInfo.flags |= kVstTempoValid;
// Bars
timeInfo.barStartPos = ppqBar;
timeInfo.flags |= kVstBarsValid;
// Time Signature
timeInfo.timeSigNumerator = jack_pos.beats_per_bar;
timeInfo.timeSigDenominator = jack_pos.beat_type;
timeInfo.flags |= kVstTimeSigValid;
}
}
}
rv = (intptr_t)&timeInfo;
break;
case audioMasterProcessEvents:
if (debugLevel > 1)
cerr << "dssi-vst-server[2]: audioMasterProcessEvents requested" << endl;
break;
case DEPRECATED_VST_SYMBOL(audioMasterSetTime):
if (debugLevel > 1)
cerr << "dssi-vst-server[2]: audioMasterSetTime requested" << endl;
break;
case DEPRECATED_VST_SYMBOL(audioMasterTempoAt):
if (debugLevel > 1)
cerr << "dssi-vst-server[2]: audioMasterTempoAt requested" << endl;
// can't support this, return 120bpm
rv = 120 * 10000;
break;
case DEPRECATED_VST_SYMBOL(audioMasterGetNumAutomatableParameters):
if (debugLevel > 1)
cerr << "dssi-vst-server[2]: audioMasterGetNumAutomatableParameters requested" << endl;
rv = 5000;
break;
case DEPRECATED_VST_SYMBOL(audioMasterGetParameterQuantization):
if (debugLevel > 1)
cerr << "dssi-vst-server[2]: audioMasterGetParameterQuantization requested" << endl;
rv = 1;
break;
case audioMasterIOChanged:
if (debugLevel > 1)
cerr << "dssi-vst-server[2]: audioMasterIOChanged requested" << endl;
cerr << "WARNING: Plugin inputs and/or outputs changed: NOT SUPPORTED" << endl;
break;
case DEPRECATED_VST_SYMBOL(audioMasterNeedIdle):
if (debugLevel > 1) {
cerr << "dssi-vst-server[2]: audioMasterNeedIdle requested" << endl;
}
needIdle=true;
rv = 1;
break;
case audioMasterSizeWindow:
if (debugLevel > 1) {
cerr << "dssi-vst-server[2]: audioMasterSizeWindow requested" << endl;
}
if (hWnd) {
SetWindowPos(hWnd, 0, 0, 0,
index + 6,
value + 25,
SWP_NOACTIVATE | SWP_NOMOVE |
SWP_NOOWNERZORDER | SWP_NOZORDER);
}
rv = 1;
break;
case audioMasterGetSampleRate:
if (debugLevel > 1)
cerr << "dssi-vst-server[2]: audioMasterGetSampleRate requested" << endl;
if (!sampleRate) {
cerr << "WARNING: Sample rate requested but not yet set" << endl;
}
plugin->dispatcher(plugin, effSetSampleRate,
0, 0, NULL, (float)sampleRate);
rv = sampleRate;
break;
case audioMasterGetBlockSize:
if (debugLevel > 1)
cerr << "dssi-vst-server[2]: audioMasterGetBlockSize requested" << endl;
if (!bufferSize) {
cerr << "WARNING: Buffer size requested but not yet set" << endl;
}
plugin->dispatcher(plugin, effSetBlockSize,
0, bufferSize, NULL, 0);
rv = bufferSize;
break;
case audioMasterGetInputLatency:
if (debugLevel > 1)
cerr << "dssi-vst-server[2]: audioMasterGetInputLatency requested" << endl;
break;
case audioMasterGetOutputLatency:
if (debugLevel > 1)
cerr << "dssi-vst-server[2]: audioMasterGetOutputLatency requested" << endl;
break;
case DEPRECATED_VST_SYMBOL(audioMasterGetPreviousPlug):
if (debugLevel > 1)
cerr << "dssi-vst-server[2]: audioMasterGetPreviousPlug requested" << endl;
break;
case DEPRECATED_VST_SYMBOL(audioMasterGetNextPlug):
if (debugLevel > 1)
cerr << "dssi-vst-server[2]: audioMasterGetNextPlug requested" << endl;
break;
case DEPRECATED_VST_SYMBOL(audioMasterWillReplaceOrAccumulate):
if (debugLevel > 1)
cerr << "dssi-vst-server[2]: audioMasterWillReplaceOrAccumulate requested" << endl;
// 0 -> unsupported, 1 -> replace, 2 -> accumulate
rv = 1;
break;
case audioMasterGetCurrentProcessLevel:
if (debugLevel > 1) {
cerr << "dssi-vst-server[2]: audioMasterGetCurrentProcessLevel requested (level is " << (inProcessThread ? 2 : 1) << ")" << endl;
}
// 0 -> unsupported, 1 -> gui, 2 -> process, 3 -> midi/timer, 4 -> offline
if (inProcessThread) rv = 2;
else rv = 1;
break;
case audioMasterGetAutomationState:
if (debugLevel > 1)
cerr << "dssi-vst-server[2]: audioMasterGetAutomationState requested" << endl;
rv = 4; // read/write
break;
case audioMasterOfflineStart:
if (debugLevel > 1)
cerr << "dssi-vst-server[2]: audioMasterOfflineStart requested" << endl;
break;