X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fsession_vst.cc;h=845293de7caf084c2284b16111cb67736173438f;hb=52b127a35ba9c31cd5da7c69f717002bb64cfd83;hp=06a6b80e99b39c34ce1f2836af803eb9d2c5729a;hpb=b855e5f3220027502a3c88f189d511fe2a5a3c2b;p=ardour.git diff --git a/libs/ardour/session_vst.cc b/libs/ardour/session_vst.cc index 06a6b80e99..845293de7c 100644 --- a/libs/ardour/session_vst.cc +++ b/libs/ardour/session_vst.cc @@ -22,11 +22,15 @@ #endif #include +#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 +#endif #include "i18n.h" @@ -41,6 +45,17 @@ static int debug_callbacks = -1; using namespace ARDOUR; +int Session::vst_current_loading_id = 0; +const char* Session::vst_can_do_strings[] = { + X_("supplyIdle"), + X_("sendVstTimeInfo"), + X_("sendVstEvents"), + X_("sendVstMidiEvent"), + X_("supportShell"), + X_("shellCategory") +}; +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, @@ -59,7 +74,7 @@ intptr_t Session::vst_callback ( } 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()); @@ -89,18 +104,18 @@ intptr_t Session::vst_callback ( case audioMasterVersion: SHOW_CALLBACK ("amc: audioMasterVersion\n"); // 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; + // 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); } @@ -129,34 +144,129 @@ intptr_t Session::vst_callback ( // 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); } if (session->transport_speed() != 0.0f) { - _timeInfo.flags |= kVstTransportPlaying; + _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 + if (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: @@ -180,14 +290,14 @@ intptr_t Session::vst_callback ( 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) + // 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 + // numInputs and/or numOutputs has changed return 0; case audioMasterNeedIdle: @@ -227,16 +337,16 @@ intptr_t Session::vst_callback ( case audioMasterGetPreviousPlug: SHOW_CALLBACK ("amc: audioMasterGetPreviousPlug\n"); - // input pin in (-1: first to come), returns cEffect* + // 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* + // output pin in (-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: @@ -258,10 +368,10 @@ intptr_t Session::vst_callback ( 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: @@ -272,7 +382,7 @@ intptr_t Session::vst_callback ( case audioMasterOfflineGetCurrentPass: SHOW_CALLBACK ("amc: audioMasterOfflineGetCurrentPass\n"); return 0; - + case audioMasterOfflineGetCurrentMetaPass: SHOW_CALLBACK ("amc: audioMasterOfflineGetCurrentMetaPass\n"); return 0; @@ -316,7 +426,12 @@ intptr_t Session::vst_callback ( 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: