X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fsession_vst.cc;h=c6978eddc704c7a1273d47d57b5b80abda1de560;hb=3a43e31d07434276a8c79561b1625b329ce6f2d5;hp=06a6b80e99b39c34ce1f2836af803eb9d2c5729a;hpb=d176cbc80476cdc8ca082631efc171ea39116d63;p=ardour.git diff --git a/libs/ardour/session_vst.cc b/libs/ardour/session_vst.cc index 06a6b80e99..c6978eddc7 100644 --- a/libs/ardour/session_vst.cc +++ b/libs/ardour/session_vst.cc @@ -22,25 +22,37 @@ #endif #include +#include "ardour/audioengine.h" +#include "ardour/debug.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 +#endif #include "i18n.h" -#define DEBUG_CALLBACKS -static int debug_callbacks = -1; - -#ifdef DEBUG_CALLBACKS -#define SHOW_CALLBACK if (debug_callbacks) printf -#else -#define SHOW_CALLBACK(...) -#endif - using namespace ARDOUR; +#define SHOW_CALLBACK(MSG) DEBUG_TRACE (PBD::DEBUG::VSTCallbacks, string_compose (MSG " val = %1 idx = %2", index, value)) + +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, @@ -54,117 +66,230 @@ intptr_t Session::vst_callback ( VSTPlugin* plug; Session* session; - if (debug_callbacks < 0) { - debug_callbacks = (getenv ("ARDOUR_DEBUG_VST_CALLBACKS") != 0); - } - if (effect && effect->user) { - plug = (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 + DEBUG_TRACE (PBD::DEBUG::VSTCallbacks, string_compose ("am callback 0x%1%2, opcode = %3%4, plugin = \"%5\" ", + std::hex, (void*) DEBUG_THREAD_SELF, + std::dec, opcode, plug->name())); } 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 + DEBUG_TRACE (PBD::DEBUG::VSTCallbacks, string_compose ("am callback 0x%1%2, opcode = %3%4", + std::hex, (void*) DEBUG_THREAD_SELF, + std::dec, opcode)); } switch(opcode){ case audioMasterAutomate: - SHOW_CALLBACK ("amc: audioMasterAutomate\n"); + SHOW_CALLBACK ("audioMasterAutomate"); // index, value, returns 0 if (plug) { - plug->set_parameter (index, opt); + plug->parameter_changed_externally (index, opt); } return 0; case audioMasterVersion: - SHOW_CALLBACK ("amc: audioMasterVersion\n"); + SHOW_CALLBACK ("audioMasterVersion"); // vst version, currently 2 (0 for older) - return 2; + return 2400; case audioMasterCurrentId: - SHOW_CALLBACK ("amc: audioMasterCurrentId\n"); - // returns the unique id of a plug that's currently - // loading - return 0; + SHOW_CALLBACK ("audioMasterCurrentId"); + // 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) + SHOW_CALLBACK ("audioMasterIdle"); +#ifdef WINDOWS_VST_SUPPORT + fst_audio_master_idle(); +#endif if (effect) { effect->dispatcher(effect, effEditIdle, 0, 0, NULL, 0.0f); } return 0; case audioMasterPinConnected: - SHOW_CALLBACK ("amc: audioMasterPinConnected\n"); + SHOW_CALLBACK ("audioMasterPinConnected"); // inquire if an input or output is beeing connected; // index enumerates input or output counting from zero: // value is 0 for input and != 0 otherwise. note: the // return value is 0 for such that older versions // will always return true. + if (!plug) { + // we don't know. + // but ardour always connects all buffers, so we're good + return 0; + } + switch (value) { + case 0: + if (index < plug->plugin()->numInputs) { + return 0; + } + break; + case 1: + if (index < plug->plugin()->numOutputs) { + return 0; + } + break; + default: + break; + } return 1; case audioMasterWantMidi: - SHOW_CALLBACK ("amc: audioMasterWantMidi\n"); + SHOW_CALLBACK ("audioMasterWantMidi"); // is a filter which is currently ignored - if (plug) { + if (plug && plug->get_info() != NULL) { plug->get_info()->n_inputs.set_midi (1); } return 0; case audioMasterGetTime: - SHOW_CALLBACK ("amc: audioMasterGetTime\n"); + SHOW_CALLBACK ("audioMasterGetTime"); // returns const VstTimeInfo* (or 0 if not supported) // 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(); - _timeInfo.flags = 0; + + const TempoMetric& tm (session->tempo_map().metric_at (now)); if (value & (kVstTempoValid)) { - const Tempo& t (session->tempo_map().tempo_at (session->transport_frame())); + const Tempo& t (tm.tempo()); _timeInfo.tempo = t.beats_per_minute (); _timeInfo.flags |= (kVstTempoValid); } - if (value & (kVstBarsValid)) { - const Meter& m (session->tempo_map().meter_at (session->transport_frame())); + if (value & (kVstTimeSigValid)) { + const Meter& m (tm.meter()); _timeInfo.timeSigNumerator = m.divisions_per_bar (); _timeInfo.timeSigDenominator = m.note_divisor (); - _timeInfo.flags |= (kVstBarsValid); + _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); } + //ToDo: + //if this is found to be burdensome to plugins, + //we should cache the previous state at a global level, + //and only set this flag when the transport changes state + _timeInfo.flags |= (kVstTransportChanged); + if (session->transport_speed() != 0.0f) { - _timeInfo.flags |= kVstTransportPlaying; + _timeInfo.flags |= (kVstTransportPlaying); + } + + if (session->get_play_loop()) { + _timeInfo.flags |= (kVstTransportCycleActive); } + + } else { + _timeInfo.samplePos = 0; + _timeInfo.sampleRate = AudioEngine::instance()->sample_rate(); } - return (long)&_timeInfo; + return (intptr_t) &_timeInfo; case audioMasterProcessEvents: - SHOW_CALLBACK ("amc: audioMasterProcessEvents\n"); + SHOW_CALLBACK ("audioMasterProcessEvents"); // VstEvents* in + 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: - SHOW_CALLBACK ("amc: audioMasterSetTime\n"); + SHOW_CALLBACK ("audioMasterSetTime"); // VstTimenfo* in , filter in , not supported case audioMasterTempoAt: - SHOW_CALLBACK ("amc: audioMasterTempoAt\n"); + SHOW_CALLBACK ("audioMasterTempoAt"); // returns tempo (in bpm * 10000) at sample frame location passed in if (session) { const Tempo& t (session->tempo_map().tempo_at (value)); @@ -175,23 +300,23 @@ intptr_t Session::vst_callback ( break; case audioMasterGetNumAutomatableParameters: - SHOW_CALLBACK ("amc: audioMasterGetNumAutomatableParameters\n"); + SHOW_CALLBACK ("audioMasterGetNumAutomatableParameters"); return 0; 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 (-1: all, any) + SHOW_CALLBACK ("audioMasterGetParameterQuantization"); + // returns the integer value for +1.0 representation, + // or 1 if full single float precision is maintained + // in automation. parameter index in (-1: all, any) return 0; case audioMasterIOChanged: - SHOW_CALLBACK ("amc: audioMasterIOChanged\n"); - // numInputs and/or numOutputs has changed + SHOW_CALLBACK ("audioMasterIOChanged"); + // numInputs and/or numOutputs has changed return 0; case audioMasterNeedIdle: - SHOW_CALLBACK ("amc: audioMasterNeedIdle\n"); + SHOW_CALLBACK ("audioMasterNeedIdle"); // plug needs idle calls (outside its editor window) if (plug) { plug->state()->wantIdle = 1; @@ -199,48 +324,52 @@ intptr_t Session::vst_callback ( return 0; case audioMasterSizeWindow: - SHOW_CALLBACK ("amc: audioMasterSizeWindow\n"); - // index: width, value: height + SHOW_CALLBACK ("audioMasterSizeWindow"); + if (plug && plug->state()) { + plug->state()->width = index; + plug->state()->height = value; + plug->state()->want_resize = 1; + } return 0; case audioMasterGetSampleRate: - SHOW_CALLBACK ("amc: audioMasterGetSampleRate\n"); + SHOW_CALLBACK ("audioMasterGetSampleRate"); if (session) { return session->frame_rate(); } return 0; case audioMasterGetBlockSize: - SHOW_CALLBACK ("amc: audioMasterGetBlockSize\n"); + SHOW_CALLBACK ("audioMasterGetBlockSize"); if (session) { return session->get_block_size(); } return 0; case audioMasterGetInputLatency: - SHOW_CALLBACK ("amc: audioMasterGetInputLatency\n"); + SHOW_CALLBACK ("audioMasterGetInputLatency"); return 0; case audioMasterGetOutputLatency: - SHOW_CALLBACK ("amc: audioMasterGetOutputLatency\n"); + SHOW_CALLBACK ("audioMasterGetOutputLatency"); return 0; case audioMasterGetPreviousPlug: - SHOW_CALLBACK ("amc: audioMasterGetPreviousPlug\n"); - // input pin in (-1: first to come), returns cEffect* + SHOW_CALLBACK ("audioMasterGetPreviousPlug"); + // input pin in (-1: first to come), returns cEffect* return 0; case audioMasterGetNextPlug: - SHOW_CALLBACK ("amc: audioMasterGetNextPlug\n"); - // output pin in (-1: first to come), returns cEffect* + SHOW_CALLBACK ("audioMasterGetNextPlug"); + // output pin in (-1: first to come), returns cEffect* case audioMasterWillReplaceOrAccumulate: - SHOW_CALLBACK ("amc: audioMasterWillReplaceOrAccumulate\n"); - // returns: 0: not supported, 1: replace, 2: accumulate + SHOW_CALLBACK ("audioMasterWillReplaceOrAccumulate"); + // returns: 0: not supported, 1: replace, 2: accumulate return 0; case audioMasterGetCurrentProcessLevel: - SHOW_CALLBACK ("amc: audioMasterGetCurrentProcessLevel\n"); + SHOW_CALLBACK ("audioMasterGetCurrentProcessLevel"); // returns: 0: not supported, // 1: currently in user thread (gui) // 2: currently in audio thread (where process is called) @@ -250,97 +379,102 @@ intptr_t Session::vst_callback ( return 0; case audioMasterGetAutomationState: - SHOW_CALLBACK ("amc: audioMasterGetAutomationState\n"); + SHOW_CALLBACK ("audioMasterGetAutomationState"); // returns 0: not supported, 1: off, 2:read, 3:write, 4:read/write // offline return 0; case audioMasterOfflineStart: - SHOW_CALLBACK ("amc: audioMasterOfflineStart\n"); + SHOW_CALLBACK ("audioMasterOfflineStart"); return 0; - + case audioMasterOfflineRead: - SHOW_CALLBACK ("amc: audioMasterOfflineRead\n"); - // ptr points to offline structure, see below. return 0: error, 1 ok + SHOW_CALLBACK ("audioMasterOfflineRead"); + // ptr points to offline structure, see below. return 0: error, 1 ok return 0; case audioMasterOfflineWrite: - SHOW_CALLBACK ("amc: audioMasterOfflineWrite\n"); + SHOW_CALLBACK ("audioMasterOfflineWrite"); // same as read return 0; case audioMasterOfflineGetCurrentPass: - SHOW_CALLBACK ("amc: audioMasterOfflineGetCurrentPass\n"); + SHOW_CALLBACK ("audioMasterOfflineGetCurrentPass"); return 0; - + case audioMasterOfflineGetCurrentMetaPass: - SHOW_CALLBACK ("amc: audioMasterOfflineGetCurrentMetaPass\n"); + SHOW_CALLBACK ("audioMasterOfflineGetCurrentMetaPass"); return 0; case audioMasterSetOutputSampleRate: - SHOW_CALLBACK ("amc: audioMasterSetOutputSampleRate\n"); + SHOW_CALLBACK ("audioMasterSetOutputSampleRate"); // for variable i/o, sample rate in return 0; case audioMasterGetSpeakerArrangement: - SHOW_CALLBACK ("amc: audioMasterGetSpeakerArrangement\n"); + SHOW_CALLBACK ("audioMasterGetSpeakerArrangement"); // (long)input in , output in return 0; case audioMasterGetVendorString: - SHOW_CALLBACK ("amc: audioMasterGetVendorString\n"); + SHOW_CALLBACK ("audioMasterGetVendorString"); // fills with a string identifying the vendor (max 64 char) strcpy ((char*) ptr, "Linux Audio Systems"); return 0; case audioMasterGetProductString: - SHOW_CALLBACK ("amc: audioMasterGetProductString\n"); + SHOW_CALLBACK ("audioMasterGetProductString"); // fills with a string with product name (max 64 char) strcpy ((char*) ptr, PROGRAM_NAME); return 0; case audioMasterGetVendorVersion: - SHOW_CALLBACK ("amc: audioMasterGetVendorVersion\n"); + SHOW_CALLBACK ("audioMasterGetVendorVersion"); // returns vendor-specific version return 900; case audioMasterVendorSpecific: - SHOW_CALLBACK ("amc: audioMasterVendorSpecific\n"); + SHOW_CALLBACK ("audioMasterVendorSpecific"); // no definition, vendor specific handling return 0; case audioMasterSetIcon: - SHOW_CALLBACK ("amc: audioMasterSetIcon\n"); + SHOW_CALLBACK ("audioMasterSetIcon"); // void* in , format not defined yet return 0; case audioMasterCanDo: - SHOW_CALLBACK ("amc: audioMasterCanDo\n"); - // string in ptr, see below + SHOW_CALLBACK ("audioMasterCanDo"); + // 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"); + SHOW_CALLBACK ("audioMasterGetLanguage"); // see enum return 0; case audioMasterOpenWindow: - SHOW_CALLBACK ("amc: audioMasterOpenWindow\n"); + SHOW_CALLBACK ("audioMasterOpenWindow"); // returns platform specific ptr return 0; case audioMasterCloseWindow: - SHOW_CALLBACK ("amc: audioMasterCloseWindow\n"); + SHOW_CALLBACK ("audioMasterCloseWindow"); // close window, platform specific handle in return 0; case audioMasterGetDirectory: - SHOW_CALLBACK ("amc: audioMasterGetDirectory\n"); + SHOW_CALLBACK ("audioMasterGetDirectory"); // get plug directory, FSSpec on MAC, else char* return 0; case audioMasterUpdateDisplay: - SHOW_CALLBACK ("amc: audioMasterUpdateDisplay\n"); + SHOW_CALLBACK ("audioMasterUpdateDisplay"); // something has changed, update 'multi-fx' display if (effect) { effect->dispatcher(effect, effEditIdle, 0, 0, NULL, 0.0f); @@ -348,22 +482,22 @@ intptr_t Session::vst_callback ( return 0; case audioMasterBeginEdit: - SHOW_CALLBACK ("amc: audioMasterBeginEdit\n"); + SHOW_CALLBACK ("audioMasterBeginEdit"); // begin of automation session (when mouse down), parameter index in return 0; case audioMasterEndEdit: - SHOW_CALLBACK ("amc: audioMasterEndEdit\n"); + SHOW_CALLBACK ("audioMasterEndEdit"); // end of automation session (when mouse up), parameter index in return 0; case audioMasterOpenFileSelector: - SHOW_CALLBACK ("amc: audioMasterOpenFileSelector\n"); + SHOW_CALLBACK ("audioMasterOpenFileSelector"); // open a fileselector window with VstFileSelect* in return 0; default: - SHOW_CALLBACK ("VST master dispatcher: undefed: %d\n", opcode); + DEBUG_TRACE (PBD::DEBUG::VSTCallbacks, string_compose ("VST master dispatcher: undefed: %1\n", opcode)); break; }