X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fsession_vst.cc;h=7b52b3cdf49b868073574ac5c70df6228e6fc7e0;hb=cf52d6e4b40111eb04b244ec054055a4ec15dbe0;hp=96dc4115c75818aba9eb766545b3161b542db480;hpb=4fdd03892d1d1846c87589bf4e842f2c9cb5a6d7;p=ardour.git diff --git a/libs/ardour/session_vst.cc b/libs/ardour/session_vst.cc index 96dc4115c7..7b52b3cdf4 100644 --- a/libs/ardour/session_vst.cc +++ b/libs/ardour/session_vst.cc @@ -26,6 +26,7 @@ #include "ardour/debug.h" #include "ardour/session.h" #include "ardour/tempo.h" +#include "ardour/plugin_insert.h" #include "ardour/windows_vst_plugin.h" #include "ardour/vestige/aeffectx.h" #include "ardour/vst_types.h" @@ -33,11 +34,40 @@ #include #endif -#include "i18n.h" +#include "pbd/i18n.h" using namespace ARDOUR; -#define SHOW_CALLBACK(MSG) DEBUG_TRACE (PBD::DEBUG::VSTCallbacks, string_compose (MSG " val = %1 idx = %2", index, value)) +#define SHOW_CALLBACK(MSG) DEBUG_TRACE (PBD::DEBUG::VSTCallbacks, string_compose (MSG " val = %1 idx = %2\n", index, value)) + +static double +vst_ppq (const TempoMetric& tm, const Timecode::BBT_Time& bbt, double& ppqBar) +{ + + /* 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) + */ + const double ppq_scaling = tm.meter().note_divisor() / 4.0; + + /* Note that this assumes constant meter/tempo throughout the session. Stupid VST */ + 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; + + return ppqBar + ppqBeat + ppqTick; +} int Session::vst_current_loading_id = 0; const char* Session::vst_can_do_strings[] = { @@ -62,20 +92,24 @@ intptr_t Session::vst_callback ( float opt ) { - static VstTimeInfo _timeInfo; VSTPlugin* plug; Session* session; + static VstTimeInfo _timeinfo; // only uses as fallback + VstTimeInfo* timeinfo; + int32_t newflags = 0; if (effect && effect->user) { plug = (VSTPlugin *) (effect->user); session = &plug->session(); - DEBUG_TRACE (PBD::DEBUG::VSTCallbacks, string_compose ("am callback 0x%1%2, opcode = %3%4, plugin = \"%5\" ", + timeinfo = plug->timeinfo (); + DEBUG_TRACE (PBD::DEBUG::VSTCallbacks, string_compose ("am callback 0x%1%2, opcode = %3%4, plugin = \"%5\"\n", std::hex, (void*) DEBUG_THREAD_SELF, std::dec, opcode, plug->name())); } else { plug = 0; session = 0; - DEBUG_TRACE (PBD::DEBUG::VSTCallbacks, string_compose ("am callback 0x%1%2, opcode = %3%4", + timeinfo = &_timeinfo; + DEBUG_TRACE (PBD::DEBUG::VSTCallbacks, string_compose ("am callback 0x%1%2, opcode = %3%4\n", std::hex, (void*) DEBUG_THREAD_SELF, std::dec, opcode)); } @@ -124,11 +158,25 @@ intptr_t Session::vst_callback ( } switch (value) { case 0: + if (plug->plugin_insert ()) { + bool valid; + const ChanMapping& map (plug->plugin_insert ()->input_map (plug->plugin_number ())); + map.get (DataType::AUDIO, index, &valid); + return valid ? 0 : 1; + } if (index < plug->plugin()->numInputs) { return 0; } break; case 1: +#if 0 // investigate, the outputs *are* connected to scratch buffers + if (plug->plugin_insert ()) { + bool valid; + const ChanMapping& map (plug->plugin_insert ()->output_map (plug->plugin_number ())); + map.get (DataType::AUDIO, index, &valid); + return valid ? 0 : 1; + } +#endif if (index < plug->plugin()->numOutputs) { return 0; } @@ -148,67 +196,46 @@ intptr_t Session::vst_callback ( case audioMasterGetTime: 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 - _timeInfo.flags = 0; + newflags = kVstNanosValid | kVstAutomationWriting | kVstAutomationReading; - if (session) { - framepos_t now = session->transport_frame(); + timeinfo->nanoSeconds = g_get_monotonic_time () * 1000; + + if (plug && session) { + framepos_t now = plug->transport_frame(); - _timeInfo.samplePos = now; - _timeInfo.sampleRate = session->frame_rate(); + 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); + timeinfo->tempo = t.beats_per_minute (); + newflags |= (kVstTempoValid); } if (value & (kVstTimeSigValid)) { const Meter& m (tm.meter()); - _timeInfo.timeSigNumerator = m.divisions_per_bar (); - _timeInfo.timeSigDenominator = m.note_divisor (); - _timeInfo.flags |= (kVstTimeSigValid); + timeinfo->timeSigNumerator = m.divisions_per_bar (); + timeinfo->timeSigDenominator = m.note_divisor (); + newflags |= (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; + bbt = session->tempo_map().bbt_at_frame_rt (now); + + double ppqBar; + double ppqPos = vst_ppq (tm, bbt, ppqBar); if (value & (kVstPpqPosValid)) { - _timeInfo.ppqPos = ppqBar + ppqBeat + ppqTick; - _timeInfo.flags |= (kVstPpqPosValid); + timeinfo->ppqPos = ppqPos; + newflags |= kVstPpqPosValid; } if (value & (kVstBarsValid)) { - _timeInfo.barStartPos = ppqBar; - _timeInfo.flags |= (kVstBarsValid); + timeinfo->barStartPos = ppqBar; + newflags |= kVstBarsValid; } } catch (...) { @@ -221,47 +248,73 @@ intptr_t Session::vst_callback ( session->timecode_time (now, t); - _timeInfo.smpteOffset = (t.hours * t.rate * 60.0 * 60.0) + + 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 */ + 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; + timeinfo->smpteFrameRate = 5; } else { - _timeInfo.smpteFrameRate = 4; /* 29.97 assumed, thanks VST */ + timeinfo->smpteFrameRate = 4; /* 29.97 assumed, thanks VST */ } } else { if (session->timecode_frames_per_second() == 24.0) { - _timeInfo.smpteFrameRate = 0; + timeinfo->smpteFrameRate = 0; } else if (session->timecode_frames_per_second() == 24.975) { - _timeInfo.smpteFrameRate = 2; + timeinfo->smpteFrameRate = 2; } else if (session->timecode_frames_per_second() == 25.0) { - _timeInfo.smpteFrameRate = 1; + timeinfo->smpteFrameRate = 1; } else { - _timeInfo.smpteFrameRate = 3; /* 30 fps */ + timeinfo->smpteFrameRate = 3; /* 30 fps */ } } - _timeInfo.flags |= (kVstSmpteValid); + newflags |= (kVstSmpteValid); } - if (session->transport_speed() != 0.0f) { - _timeInfo.flags |= (kVstTransportPlaying); + if (session->actively_recording ()) { + newflags |= kVstTransportRecording; } - if (session->get_play_loop()) { + if (plug->transport_speed () != 0.0f) { + newflags |= kVstTransportPlaying; + } + + if (session->get_play_loop ()) { + newflags |= kVstTransportCycleActive; + Location * looploc = session->locations ()->auto_loop_location (); + if (looploc) try { + double ppqBar; + Timecode::BBT_Time bbt; + + bbt = session->tempo_map ().bbt_at_frame_rt (looploc->start ()); + timeinfo->cycleStartPos = vst_ppq (tm, bbt, ppqBar); + + bbt = session->tempo_map ().bbt_at_frame_rt (looploc->end ()); + timeinfo->cycleEndPos = vst_ppq (tm, bbt, ppqBar); + + newflags |= kVstCyclePosValid; + } catch (...) { } } } else { - _timeInfo.samplePos = 0; - _timeInfo.sampleRate = AudioEngine::instance()->sample_rate(); + timeinfo->samplePos = 0; + timeinfo->sampleRate = AudioEngine::instance()->sample_rate(); + } + + if ((timeinfo->flags & (kVstTransportPlaying | kVstTransportRecording | kVstTransportCycleActive)) + != + (newflags & (kVstTransportPlaying | kVstTransportRecording | kVstTransportCycleActive))) + { + newflags |= kVstTransportChanged; } - return (intptr_t) &_timeInfo; + timeinfo->flags = newflags; + return (intptr_t) timeinfo; case audioMasterProcessEvents: SHOW_CALLBACK ("audioMasterProcessEvents"); @@ -285,7 +338,7 @@ intptr_t Session::vst_callback ( 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)); + const Tempo& t (session->tempo_map().tempo_at_frame (value)); return t.beats_per_minute() * 1000; } else { return 0; @@ -496,4 +549,3 @@ intptr_t Session::vst_callback ( return 0; } -