diff options
Diffstat (limited to 'externals/grill/vst/src/vsthost.cpp')
| -rw-r--r-- | externals/grill/vst/src/vsthost.cpp | 159 |
1 files changed, 127 insertions, 32 deletions
diff --git a/externals/grill/vst/src/vsthost.cpp b/externals/grill/vst/src/vsthost.cpp index 3b9d6241..5f2443fc 100644 --- a/externals/grill/vst/src/vsthost.cpp +++ b/externals/grill/vst/src/vsthost.cpp @@ -8,7 +8,9 @@ WARRANTIES, see the file, "license.txt," in this distribution. */ #include "vsthost.h" - +#include "editor.h" +#include <exception> +#include "flcontainers.h" const t_symbol *VSTPlugin::sym_param, @@ -22,8 +24,22 @@ const t_symbol *VSTPlugin::sym_ev_, *VSTPlugin::sym_midi[8]; + +class DelPlugin + : public Fifo::Cell +{ +public: + DelPlugin(VSTPlugin *p): plug(p) {} + VSTPlugin *plug; +}; + +static TypedLifo<DelPlugin> todel; +flext::ThrCond VSTPlugin::thrcond; + void VSTPlugin::Setup() { + LaunchThread(worker); + sym_param = flext::MakeSymbol("param"); sym_event = flext::MakeSymbol("event"); sym_evmidi = flext::MakeSymbol("midi"); @@ -34,22 +50,23 @@ void VSTPlugin::Setup() sym_evsysex = flext::MakeSymbol("sysex"); sym_ev_ = flext::MakeSymbol("???"); - sym_midi[0] = flext::MakeSymbol("noteon"); - sym_midi[1] = flext::MakeSymbol("noteoff"); - sym_midi[2] = flext::MakeSymbol("polyafter"); - sym_midi[3] = flext::MakeSymbol("cntl"); + sym_midi[0] = flext::MakeSymbol("noteoff"); + sym_midi[1] = flext::MakeSymbol("note"); + sym_midi[2] = flext::MakeSymbol("atouch"); + sym_midi[3] = flext::MakeSymbol("ctlchg"); sym_midi[4] = flext::MakeSymbol("progchg"); - sym_midi[5] = flext::MakeSymbol("chnafter"); - sym_midi[6] = flext::MakeSymbol("pitchbend"); - sym_midi[7] = sym__; + sym_midi[5] = flext::MakeSymbol("atouch"); + sym_midi[6] = flext::MakeSymbol("pbend"); + sym_midi[7] = flext::MakeSymbol("sysex"); } VSTPlugin::VSTPlugin(Responder *resp) : hdll(NULL),hwnd(NULL) , effect(NULL),pluginmain(NULL),audiomaster(NULL) , responder(resp) - , posx(0),posy(0),caption(true) - , midichannel(0),eventqusz(0) + , posx(0),posy(0),sizex(0),sizey(0) + , visible(true),caption(true),handle(false) + , midichannel(0),eventqusz(0),dumpevents(false) , paramnamecnt(0) , transchg(true) , playing(false),looping(false),feedback(false) @@ -67,7 +84,55 @@ VSTPlugin::~VSTPlugin() Free(); } +VSTPlugin *VSTPlugin::New(Responder *resp) +{ + FLEXT_ASSERT(resp); + return new VSTPlugin(resp); +} + +void VSTPlugin::Delete(VSTPlugin *p) +{ + FLEXT_ASSERT(p); + + // tell plugin to close editor! + StopEditor(p); + // transfer to deletion thread + todel.Push(new DelPlugin(p)); + thrcond.Signal(); +} + +void VSTPlugin::worker(thr_params *) +{ + TypedLifo<DelPlugin> tmp; + bool again = false; + for(;;) { + // wait for signal + if(again) { + thrcond.TimedWait(0.01); + again = false; + } + else + thrcond.Wait(); + + DelPlugin *p; + while((p = todel.Pop()) != NULL) { + // see if editing has stopped + if(p && p->plug->hwnd == NULL) { + // yes, it is now safe to delete the plug + delete p->plug; + delete p; + } + else { + tmp.Push(p); + again = true; + } + } + // put back remaining entries + while((p = tmp.Pop()) != NULL) todel.Push(p); + } +} + #if FLEXT_OS == FLEXT_OS_MAC OSStatus FSPathMakeFSSpec(const UInt8 *path,FSSpec *spec,Boolean *isDirectory) /* can be NULL */ { @@ -208,9 +273,17 @@ bool VSTPlugin::InstPlugin(long plugid) FLEXT_ASSERT(pluginmain && audiomaster); //This calls the "main" function and receives the pointer to the AEffect structure. - effect = pluginmain(audiomaster); - if(!effect || effect->magic != kEffectMagic) { - post("VST plugin : Unable to create effect"); + try { effect = pluginmain(audiomaster); } + catch(exception &e) { + flext::post("vst~ - caught exception while instantiating plugin: %s",e.what()); + } + catch(...) { + flext::post("vst~ - caught exception while instantiating plugin"); + } + + if(!effect) + return false; + else if(effect->magic != kEffectMagic) { effect = NULL; return false; } @@ -219,13 +292,19 @@ bool VSTPlugin::InstPlugin(long plugid) bool VSTPlugin::Instance(const char *name,const char *subname) { - bool ok = effect != NULL; + bool ok = false; + FLEXT_ASSERT(effect == NULL); + try { + +/* if(!ok && dllname != name) { FreePlugin(); // freshly load plugin ok = NewPlugin(name) && InstPlugin(); } +*/ + ok = NewPlugin(name) && InstPlugin(); if(ok && subname && *subname && Dispatch(effGetPlugCategory) == kPlugCategShell) { // sub plugin-name given -> scan plugs @@ -294,37 +373,53 @@ bool VSTPlugin::Instance(const char *name,const char *subname) Dispatch(effGetVendorString,0,0,vendorname); } + } + catch(exception &e) { + flext::post("vst~ - caught exception while loading plugin: %s",e.what()); + ok = false; + } + catch(...) { + flext::post("vst~ - Caught exception while loading plugin"); + ok = false; + } + if(!ok) Free(); return ok; } -void VSTPlugin::Free() // Called also in destruction +void VSTPlugin::Free() { - if(effect) { - Edit(false); + // This should only also in destruction - // shut down plugin - Dispatch(effMainsChanged, 0, 0); - Dispatch(effClose); - } + try { + if(effect) { + FLEXT_ASSERT(!IsEdited()); - // \TODO - // Here, we really have to wait until the editor thread has terminated - // otherwise WM_DESTROY etc. messages may still be pending - // in other words: this is a design flaw - // There should be a data stub accessible from the plugin object and the thread - // holding the necessary data, so that both can operate independently + // shut down plugin + Dispatch(effMainsChanged, 0, 0); + Dispatch(effClose); + } + } + catch(...) {} FreePlugin(); } void VSTPlugin::DspInit(float sr,int blsz) { - // sample rate and block size must _first_ be set - Dispatch(effSetSampleRate,0,0,NULL,samplerate = sr); - Dispatch(effSetBlockSize, 0,blsz); - // then signal that mains have changed! - Dispatch(effMainsChanged,0,1); + try { + // sample rate and block size must _first_ be set + Dispatch(effSetSampleRate,0,0,NULL,samplerate = sr); + Dispatch(effSetBlockSize, 0,blsz); + // then signal that mains have changed! + Dispatch(effMainsChanged,0,1); + } + catch(exception &e) { + flext::post("vst~ - caught exception while initializing dsp: %s",e.what()); + } + catch(...) { + flext::post("vst~ - caught exception while initializing dsp"); + } } void VSTPlugin::ListPlugs(const t_symbol *sym) const |