2 Copyright (C) 2006-2009 Paul Davis
3 Some portions Copyright (C) Sophia Poirier.
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
28 #include "pbd/transmitter.h"
29 #include "pbd/xml++.h"
30 #include "pbd/convert.h"
31 #include "pbd/whitespace.h"
32 #include "pbd/file_utils.h"
33 #include "pbd/locale_guard.h"
35 #include <glibmm/threads.h>
36 #include <glibmm/fileutils.h>
37 #include <glibmm/miscutils.h>
38 #include <glib/gstdio.h>
40 #include "ardour/ardour.h"
41 #include "ardour/audioengine.h"
42 #include "ardour/audio_buffer.h"
43 #include "ardour/debug.h"
44 #include "ardour/midi_buffer.h"
45 #include "ardour/filesystem_paths.h"
46 #include "ardour/io.h"
47 #include "ardour/audio_unit.h"
48 #include "ardour/route.h"
49 #include "ardour/session.h"
50 #include "ardour/tempo.h"
51 #include "ardour/utils.h"
53 #include "appleutility/CAAudioUnit.h"
54 #include "appleutility/CAAUParameter.h"
56 #include <CoreFoundation/CoreFoundation.h>
57 #include <CoreServices/CoreServices.h>
58 #include <AudioUnit/AudioUnit.h>
59 #include <AudioToolbox/AudioUnitUtilities.h>
61 #include <Carbon/Carbon.h>
68 using namespace ARDOUR;
70 AUPluginInfo::CachedInfoMap AUPluginInfo::cached_info;
72 static string preset_search_path = "/Library/Audio/Presets:/Network/Library/Audio/Presets";
73 static string preset_suffix = ".aupreset";
74 static bool preset_search_path_initialized = false;
75 FILE * AUPluginInfo::_crashlog_fd = NULL;
78 static void au_blacklist (std::string id)
80 string fn = Glib::build_filename (ARDOUR::user_cache_directory(), "au_blacklist.txt");
81 FILE * blacklist_fd = NULL;
82 if (! (blacklist_fd = fopen(fn.c_str(), "a"))) {
83 PBD::error << "Cannot append to AU blacklist for '"<< id <<"'\n";
86 assert(id.find("\n") == string::npos);
87 fprintf(blacklist_fd, "%s\n", id.c_str());
88 ::fclose(blacklist_fd);
91 static void au_unblacklist (std::string id)
93 string fn = Glib::build_filename (ARDOUR::user_cache_directory(), "au_blacklist.txt");
94 if (!Glib::file_test (fn, Glib::FILE_TEST_EXISTS)) {
95 PBD::warning << "Expected Blacklist file does not exist.\n";
100 std::ifstream ifs(fn.c_str());
101 bl.assign ((std::istreambuf_iterator<char>(ifs)), (std::istreambuf_iterator<char>()));
102 ::g_unlink(fn.c_str());
104 assert(id.find("\n") == string::npos);
106 id += "\n"; // add separator
107 const size_t rpl = bl.find(id);
108 if (rpl != string::npos) {
109 bl.replace(rpl, id.size(), "");
115 FILE * blacklist_fd = NULL;
116 if (! (blacklist_fd = fopen(fn.c_str(), "w"))) {
117 PBD::error << "Cannot open AU blacklist.\n";
120 fprintf(blacklist_fd, "%s", bl.c_str());
121 ::fclose(blacklist_fd);
124 static bool is_blacklisted (std::string id)
126 string fn = Glib::build_filename (ARDOUR::user_cache_directory(), "au_blacklist.txt");
127 if (!Glib::file_test (fn, Glib::FILE_TEST_EXISTS)) {
131 std::ifstream ifs(fn.c_str());
132 bl.assign ((std::istreambuf_iterator<char>(ifs)), (std::istreambuf_iterator<char>()));
134 assert(id.find("\n") == string::npos);
136 id += "\n"; // add separator
137 const size_t rpl = bl.find(id);
138 if (rpl != string::npos) {
147 _render_callback(void *userData,
148 AudioUnitRenderActionFlags *ioActionFlags,
149 const AudioTimeStamp *inTimeStamp,
151 UInt32 inNumberFrames,
152 AudioBufferList* ioData)
155 return ((AUPlugin*)userData)->render_callback (ioActionFlags, inTimeStamp, inBusNumber, inNumberFrames, ioData);
161 _get_beat_and_tempo_callback (void* userData,
162 Float64* outCurrentBeat,
163 Float64* outCurrentTempo)
166 return ((AUPlugin*)userData)->get_beat_and_tempo_callback (outCurrentBeat, outCurrentTempo);
173 _get_musical_time_location_callback (void * userData,
174 UInt32 * outDeltaSampleOffsetToNextBeat,
175 Float32 * outTimeSig_Numerator,
176 UInt32 * outTimeSig_Denominator,
177 Float64 * outCurrentMeasureDownBeat)
180 return ((AUPlugin*)userData)->get_musical_time_location_callback (outDeltaSampleOffsetToNextBeat,
181 outTimeSig_Numerator,
182 outTimeSig_Denominator,
183 outCurrentMeasureDownBeat);
189 _get_transport_state_callback (void* userData,
190 Boolean* outIsPlaying,
191 Boolean* outTransportStateChanged,
192 Float64* outCurrentSampleInTimeLine,
193 Boolean* outIsCycling,
194 Float64* outCycleStartBeat,
195 Float64* outCycleEndBeat)
198 return ((AUPlugin*)userData)->get_transport_state_callback (
199 outIsPlaying, outTransportStateChanged,
200 outCurrentSampleInTimeLine, outIsCycling,
201 outCycleStartBeat, outCycleEndBeat);
208 save_property_list (CFPropertyListRef propertyList, Glib::ustring path)
214 // Convert the property list into XML data.
216 xmlData = CFPropertyListCreateXMLData( kCFAllocatorDefault, propertyList);
219 error << _("Could not create XML version of property list") << endmsg;
223 // Write the XML data to the file.
225 fd = open (path.c_str(), O_WRONLY|O_CREAT|O_EXCL, 0664);
227 if (errno == EEXIST) {
228 error << string_compose (_("Preset file %1 exists; not overwriting"),
231 error << string_compose (_("Cannot open preset file %1 (%2)"),
232 path, strerror (errno)) << endmsg;
238 size_t cnt = CFDataGetLength (xmlData);
240 if (write (fd, CFDataGetBytePtr (xmlData), cnt) != (ssize_t) cnt) {
251 static CFPropertyListRef
252 load_property_list (Glib::ustring path)
255 CFPropertyListRef propertyList = 0;
257 CFStringRef errorString;
259 // Read the XML file.
261 if ((fd = open (path.c_str(), O_RDONLY)) < 0) {
266 off_t len = lseek (fd, 0, SEEK_END);
267 char* buf = new char[len];
268 lseek (fd, 0, SEEK_SET);
270 if (read (fd, buf, len) != len) {
278 xmlData = CFDataCreateWithBytesNoCopy (kCFAllocatorDefault, (UInt8*) buf, len, kCFAllocatorNull);
280 // Reconstitute the dictionary using the XML data.
282 propertyList = CFPropertyListCreateFromXMLData( kCFAllocatorDefault,
284 kCFPropertyListImmutable,
293 //-----------------------------------------------------------------------------
295 set_preset_name_in_plist (CFPropertyListRef plist, string preset_name)
300 CFStringRef pn = CFStringCreateWithCString (kCFAllocatorDefault, preset_name.c_str(), kCFStringEncodingUTF8);
302 if (CFGetTypeID (plist) == CFDictionaryGetTypeID()) {
303 CFDictionarySetValue ((CFMutableDictionaryRef)plist, CFSTR(kAUPresetNameKey), pn);
309 //-----------------------------------------------------------------------------
311 get_preset_name_in_plist (CFPropertyListRef plist)
319 if (CFGetTypeID (plist) == CFDictionaryGetTypeID()) {
320 const void *p = CFDictionaryGetValue ((CFMutableDictionaryRef)plist, CFSTR(kAUPresetNameKey));
322 CFStringRef str = (CFStringRef) p;
323 int len = CFStringGetLength(str);
325 char local_buffer[len];
326 if (CFStringGetCString (str, local_buffer, len, kCFStringEncodingUTF8)) {
334 //--------------------------------------------------------------------------
335 // general implementation for ComponentDescriptionsMatch() and ComponentDescriptionsMatch_Loosely()
336 // if inIgnoreType is true, then the type code is ignored in the ComponentDescriptions
337 Boolean ComponentDescriptionsMatch_General(const ComponentDescription * inComponentDescription1, const ComponentDescription * inComponentDescription2, Boolean inIgnoreType);
338 Boolean ComponentDescriptionsMatch_General(const ComponentDescription * inComponentDescription1, const ComponentDescription * inComponentDescription2, Boolean inIgnoreType)
340 if ( (inComponentDescription1 == NULL) || (inComponentDescription2 == NULL) )
343 if ( (inComponentDescription1->componentSubType == inComponentDescription2->componentSubType)
344 && (inComponentDescription1->componentManufacturer == inComponentDescription2->componentManufacturer) )
346 // only sub-type and manufacturer IDs need to be equal
349 // type, sub-type, and manufacturer IDs all need to be equal in order to call this a match
350 else if (inComponentDescription1->componentType == inComponentDescription2->componentType)
357 //--------------------------------------------------------------------------
358 // general implementation for ComponentAndDescriptionMatch() and ComponentAndDescriptionMatch_Loosely()
359 // if inIgnoreType is true, then the type code is ignored in the ComponentDescriptions
360 Boolean ComponentAndDescriptionMatch_General(Component inComponent, const ComponentDescription * inComponentDescription, Boolean inIgnoreType);
361 Boolean ComponentAndDescriptionMatch_General(Component inComponent, const ComponentDescription * inComponentDescription, Boolean inIgnoreType)
364 ComponentDescription desc;
366 if ( (inComponent == NULL) || (inComponentDescription == NULL) )
369 // get the ComponentDescription of the input Component
370 status = GetComponentInfo(inComponent, &desc, NULL, NULL, NULL);
374 // check if the Component's ComponentDescription matches the input ComponentDescription
375 return ComponentDescriptionsMatch_General(&desc, inComponentDescription, inIgnoreType);
378 //--------------------------------------------------------------------------
379 // determine if 2 ComponentDescriptions are basically equal
380 // (by that, I mean that the important identifying values are compared,
381 // but not the ComponentDescription flags)
382 Boolean ComponentDescriptionsMatch(const ComponentDescription * inComponentDescription1, const ComponentDescription * inComponentDescription2)
384 return ComponentDescriptionsMatch_General(inComponentDescription1, inComponentDescription2, FALSE);
387 //--------------------------------------------------------------------------
388 // determine if 2 ComponentDescriptions have matching sub-type and manufacturer codes
389 Boolean ComponentDescriptionsMatch_Loose(const ComponentDescription * inComponentDescription1, const ComponentDescription * inComponentDescription2)
391 return ComponentDescriptionsMatch_General(inComponentDescription1, inComponentDescription2, TRUE);
394 //--------------------------------------------------------------------------
395 // determine if a ComponentDescription basically matches that of a particular Component
396 Boolean ComponentAndDescriptionMatch(Component inComponent, const ComponentDescription * inComponentDescription)
398 return ComponentAndDescriptionMatch_General(inComponent, inComponentDescription, FALSE);
401 //--------------------------------------------------------------------------
402 // determine if a ComponentDescription matches only the sub-type and manufacturer codes of a particular Component
403 Boolean ComponentAndDescriptionMatch_Loosely(Component inComponent, const ComponentDescription * inComponentDescription)
405 return ComponentAndDescriptionMatch_General(inComponent, inComponentDescription, TRUE);
409 AUPlugin::AUPlugin (AudioEngine& engine, Session& session, boost::shared_ptr<CAComponent> _comp)
410 : Plugin (engine, session)
412 , unit (new CAAudioUnit)
413 , initialized (false)
414 , _current_block_size (0)
415 , _requires_fixed_size_buffers (false)
420 , frames_processed (0)
421 , _parameter_listener (0)
422 , _parameter_listener_arg (0)
423 , last_transport_rolling (false)
424 , last_transport_speed (0.0)
426 if (!preset_search_path_initialized) {
427 Glib::ustring p = Glib::get_home_dir();
428 p += "/Library/Audio/Presets:";
429 p += preset_search_path;
430 preset_search_path = p;
431 preset_search_path_initialized = true;
432 DEBUG_TRACE (DEBUG::AudioUnits, string_compose("AU Preset Path: %1\n", preset_search_path));
439 AUPlugin::AUPlugin (const AUPlugin& other)
441 , comp (other.get_comp())
442 , unit (new CAAudioUnit)
443 , initialized (false)
444 , _current_block_size (0)
446 , _requires_fixed_size_buffers (false)
451 , frames_processed (0)
452 , _parameter_listener (0)
453 , _parameter_listener_arg (0)
459 AUPlugin::~AUPlugin ()
461 if (_parameter_listener) {
462 AUListenerDispose (_parameter_listener);
463 _parameter_listener = 0;
467 DEBUG_TRACE (DEBUG::AudioUnits, "about to call uninitialize in plugin destructor\n");
468 unit->Uninitialize ();
477 AUPlugin::discover_factory_presets ()
484 if ((err = unit->GetPropertyInfo (kAudioUnitProperty_FactoryPresets, kAudioUnitScope_Global, 0, &dataSize, &isWritable)) != 0) {
485 DEBUG_TRACE (DEBUG::AudioUnits, "no factory presets for AU\n");
489 assert (dataSize == sizeof (presets));
491 if ((err = unit->GetProperty (kAudioUnitProperty_FactoryPresets, kAudioUnitScope_Global, 0, (void*) &presets, &dataSize)) != 0) {
492 error << string_compose (_("cannot get factory preset info: errcode %1"), err) << endmsg;
500 CFIndex cnt = CFArrayGetCount (presets);
502 for (CFIndex i = 0; i < cnt; ++i) {
503 AUPreset* preset = (AUPreset*) CFArrayGetValueAtIndex (presets, i);
505 string name = CFStringRefToStdString (preset->presetName);
506 factory_preset_map[name] = preset->presetNumber;
507 DEBUG_TRACE (DEBUG::AudioUnits, string_compose("AU Factory Preset: %1 > %2\n", name, preset->presetNumber));
517 CFStringRef itemName;
519 /* these keep track of *configured* channel set up,
520 not potential set ups.
524 output_channels = -1;
526 CAComponentDescription temp;
527 GetComponentInfo (comp.get()->Comp(), &temp, NULL, NULL, NULL);
528 CFStringRef compTypeString = UTCreateStringForOSType(temp.componentType);
529 CFStringRef compSubTypeString = UTCreateStringForOSType(temp.componentSubType);
530 CFStringRef compManufacturerString = UTCreateStringForOSType(temp.componentManufacturer);
531 itemName = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("%@ - %@ - %@"),
532 compTypeString, compManufacturerString, compSubTypeString);
533 if (compTypeString != NULL) CFRelease(compTypeString);
534 if (compSubTypeString != NULL) CFRelease(compSubTypeString);
535 if (compManufacturerString != NULL) CFRelease(compManufacturerString);
538 au_blacklist(CFStringRefToStdString(itemName));
541 DEBUG_TRACE (DEBUG::AudioUnits, "opening AudioUnit\n");
542 err = CAAudioUnit::Open (*(comp.get()), *unit);
544 error << _("Exception thrown during AudioUnit plugin loading - plugin ignored") << endmsg;
545 throw failed_constructor();
549 error << _("AudioUnit: Could not convert CAComponent to CAAudioUnit") << endmsg;
550 throw failed_constructor ();
553 DEBUG_TRACE (DEBUG::AudioUnits, "count global elements\n");
554 unit->GetElementCount (kAudioUnitScope_Global, global_elements);
555 DEBUG_TRACE (DEBUG::AudioUnits, "count input elements\n");
556 unit->GetElementCount (kAudioUnitScope_Input, input_elements);
557 DEBUG_TRACE (DEBUG::AudioUnits, "count output elements\n");
558 unit->GetElementCount (kAudioUnitScope_Output, output_elements);
560 if (input_elements > 0) {
561 /* setup render callback: the plugin calls this to get input data
564 AURenderCallbackStruct renderCallbackInfo;
566 renderCallbackInfo.inputProc = _render_callback;
567 renderCallbackInfo.inputProcRefCon = this;
569 DEBUG_TRACE (DEBUG::AudioUnits, "set render callback in input scope\n");
570 if ((err = unit->SetProperty (kAudioUnitProperty_SetRenderCallback, kAudioUnitScope_Input,
571 0, (void*) &renderCallbackInfo, sizeof(renderCallbackInfo))) != 0) {
572 error << string_compose (_("cannot install render callback (err = %1)"), err) << endmsg;
573 throw failed_constructor();
577 /* tell the plugin about tempo/meter/transport callbacks in case it wants them */
579 HostCallbackInfo info;
580 memset (&info, 0, sizeof (HostCallbackInfo));
581 info.hostUserData = this;
582 info.beatAndTempoProc = _get_beat_and_tempo_callback;
583 info.musicalTimeLocationProc = _get_musical_time_location_callback;
584 info.transportStateProc = _get_transport_state_callback;
586 //ignore result of this - don't care if the property isn't supported
587 DEBUG_TRACE (DEBUG::AudioUnits, "set host callbacks in global scope\n");
588 unit->SetProperty (kAudioUnitProperty_HostCallbacks,
589 kAudioUnitScope_Global,
592 sizeof (HostCallbackInfo));
594 if (set_block_size (_session.get_block_size())) {
595 error << _("AUPlugin: cannot set processing block size") << endmsg;
596 throw failed_constructor();
599 create_parameter_listener (AUPlugin::_parameter_change_listener, this, 0.05);
600 discover_parameters ();
601 discover_factory_presets ();
603 // Plugin::setup_controls ();
605 au_unblacklist(CFStringRefToStdString(itemName));
606 if (itemName != NULL) CFRelease(itemName);
610 AUPlugin::discover_parameters ()
612 /* discover writable parameters */
614 AudioUnitScope scopes[] = {
615 kAudioUnitScope_Global,
616 kAudioUnitScope_Output,
617 kAudioUnitScope_Input
620 descriptors.clear ();
622 for (uint32_t i = 0; i < sizeof (scopes) / sizeof (scopes[0]); ++i) {
624 AUParamInfo param_info (unit->AU(), false, /* include read only */ true, scopes[i]);
626 for (uint32_t i = 0; i < param_info.NumParams(); ++i) {
628 AUParameterDescriptor d;
630 d.id = param_info.ParamID (i);
632 const CAAUParameter* param = param_info.GetParamInfo (d.id);
633 const AudioUnitParameterInfo& info (param->ParamInfo());
635 const int len = CFStringGetLength (param->GetName());;
636 char local_buffer[len*2];
637 Boolean good = CFStringGetCString(param->GetName(),local_buffer,len*2,kCFStringEncodingMacRoman);
641 d.label = local_buffer;
644 d.scope = param_info.GetScope ();
645 d.element = param_info.GetElement ();
647 /* info.units to consider */
649 kAudioUnitParameterUnit_Generic = 0
650 kAudioUnitParameterUnit_Indexed = 1
651 kAudioUnitParameterUnit_Boolean = 2
652 kAudioUnitParameterUnit_Percent = 3
653 kAudioUnitParameterUnit_Seconds = 4
654 kAudioUnitParameterUnit_SampleFrames = 5
655 kAudioUnitParameterUnit_Phase = 6
656 kAudioUnitParameterUnit_Rate = 7
657 kAudioUnitParameterUnit_Hertz = 8
658 kAudioUnitParameterUnit_Cents = 9
659 kAudioUnitParameterUnit_RelativeSemiTones = 10
660 kAudioUnitParameterUnit_MIDINoteNumber = 11
661 kAudioUnitParameterUnit_MIDIController = 12
662 kAudioUnitParameterUnit_Decibels = 13
663 kAudioUnitParameterUnit_LinearGain = 14
664 kAudioUnitParameterUnit_Degrees = 15
665 kAudioUnitParameterUnit_EqualPowerCrossfade = 16
666 kAudioUnitParameterUnit_MixerFaderCurve1 = 17
667 kAudioUnitParameterUnit_Pan = 18
668 kAudioUnitParameterUnit_Meters = 19
669 kAudioUnitParameterUnit_AbsoluteCents = 20
670 kAudioUnitParameterUnit_Octaves = 21
671 kAudioUnitParameterUnit_BPM = 22
672 kAudioUnitParameterUnit_Beats = 23
673 kAudioUnitParameterUnit_Milliseconds = 24
674 kAudioUnitParameterUnit_Ratio = 25
677 /* info.flags to consider */
681 kAudioUnitParameterFlag_CFNameRelease = (1L << 4)
682 kAudioUnitParameterFlag_HasClump = (1L << 20)
683 kAudioUnitParameterFlag_HasName = (1L << 21)
684 kAudioUnitParameterFlag_DisplayLogarithmic = (1L << 22)
685 kAudioUnitParameterFlag_IsHighResolution = (1L << 23)
686 kAudioUnitParameterFlag_NonRealTime = (1L << 24)
687 kAudioUnitParameterFlag_CanRamp = (1L << 25)
688 kAudioUnitParameterFlag_ExpertMode = (1L << 26)
689 kAudioUnitParameterFlag_HasCFNameString = (1L << 27)
690 kAudioUnitParameterFlag_IsGlobalMeta = (1L << 28)
691 kAudioUnitParameterFlag_IsElementMeta = (1L << 29)
692 kAudioUnitParameterFlag_IsReadable = (1L << 30)
693 kAudioUnitParameterFlag_IsWritable = (1L << 31)
696 d.lower = info.minValue;
697 d.upper = info.maxValue;
698 d.normal = info.defaultValue;
700 d.integer_step = (info.unit == kAudioUnitParameterUnit_Indexed);
701 d.toggled = (info.unit == kAudioUnitParameterUnit_Boolean) ||
702 (d.integer_step && ((d.upper - d.lower) == 1.0));
703 d.sr_dependent = (info.unit == kAudioUnitParameterUnit_SampleFrames);
704 d.automatable = /* !d.toggled && -- ardour can automate toggles, can AU ? */
705 !(info.flags & kAudioUnitParameterFlag_NonRealTime) &&
706 (info.flags & kAudioUnitParameterFlag_IsWritable);
708 d.logarithmic = (info.flags & kAudioUnitParameterFlag_DisplayLogarithmic);
709 d.au_unit = info.unit;
711 case kAudioUnitParameterUnit_Decibels:
712 d.unit = ParameterDescriptor::DB;
714 case kAudioUnitParameterUnit_MIDINoteNumber:
715 d.unit = ParameterDescriptor::MIDI_NOTE;
717 case kAudioUnitParameterUnit_Hertz:
718 d.unit = ParameterDescriptor::HZ;
722 d.min_unbound = 0; // lower is bound
723 d.max_unbound = 0; // upper is bound
726 descriptors.push_back (d);
728 uint32_t last_param = descriptors.size() - 1;
729 parameter_map.insert (pair<uint32_t,uint32_t> (d.id, last_param));
730 listen_to_parameter (last_param);
737 four_ints_to_four_byte_literal (unsigned char n[4])
739 /* this is actually implementation dependent. sigh. this is what gcc
740 and quite a few others do.
742 return ((n[0] << 24) + (n[1] << 16) + (n[2] << 8) + n[3]);
746 AUPlugin::maybe_fix_broken_au_id (const std::string& id)
748 if (isdigit (id[0])) {
752 /* ID format is xxxx-xxxx-xxxx
753 where x maybe \xNN or a printable character.
755 Split at the '-' and and process each part into an integer.
756 Then put it back together.
760 unsigned char nascent[4];
761 const char* cstr = id.c_str();
762 const char* estr = cstr + id.size();
773 while (*cstr && next_int < 4) {
777 if (estr - cstr < 3) {
779 /* too close to the end for \xNN parsing: treat as literal characters */
787 if (cstr[1] == 'x' && isxdigit (cstr[2]) && isxdigit (cstr[3])) {
791 memcpy (short_buf, &cstr[2], 2);
792 nascent[in] = strtol (short_buf, NULL, 16);
798 /* treat as literal characters */
812 if (in && (in % 4 == 0)) {
813 /* nascent is ready */
814 n[next_int] = four_ints_to_four_byte_literal (nascent);
818 /* swallow space-hyphen-space */
832 s << n[0] << '-' << n[1] << '-' << n[2];
841 AUPlugin::unique_id () const
843 return AUPluginInfo::stringify_descriptor (comp->Desc());
847 AUPlugin::label () const
849 return _info->name.c_str();
853 AUPlugin::parameter_count () const
855 return descriptors.size();
859 AUPlugin::default_value (uint32_t port)
861 if (port < descriptors.size()) {
862 return descriptors[port].normal;
869 AUPlugin::signal_latency () const
871 return unit->Latency() * _session.frame_rate();
875 AUPlugin::set_parameter (uint32_t which, float val)
877 if (which >= descriptors.size()) {
881 if (get_parameter(which) == val) {
885 const AUParameterDescriptor& d (descriptors[which]);
886 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("set parameter %1 in scope %2 element %3 to %4\n", d.id, d.scope, d.element, val));
887 unit->SetParameter (d.id, d.scope, d.element, val);
889 /* tell the world what we did */
891 AudioUnitEvent theEvent;
893 theEvent.mEventType = kAudioUnitEvent_ParameterValueChange;
894 theEvent.mArgument.mParameter.mAudioUnit = unit->AU();
895 theEvent.mArgument.mParameter.mParameterID = d.id;
896 theEvent.mArgument.mParameter.mScope = d.scope;
897 theEvent.mArgument.mParameter.mElement = d.element;
899 DEBUG_TRACE (DEBUG::AudioUnits, "notify about parameter change\n");
900 AUEventListenerNotify (NULL, NULL, &theEvent);
902 Plugin::set_parameter (which, val);
906 AUPlugin::get_parameter (uint32_t which) const
909 if (which < descriptors.size()) {
910 const AUParameterDescriptor& d (descriptors[which]);
911 // DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("get value of parameter %1 in scope %2 element %3\n", d.id, d.scope, d.element));
912 unit->GetParameter(d.id, d.scope, d.element, val);
918 AUPlugin::get_parameter_descriptor (uint32_t which, ParameterDescriptor& pd) const
920 if (which < descriptors.size()) {
921 pd = descriptors[which];
928 AUPlugin::nth_parameter (uint32_t which, bool& ok) const
930 if (which < descriptors.size()) {
939 AUPlugin::activate ()
943 DEBUG_TRACE (DEBUG::AudioUnits, "call Initialize in activate()\n");
944 if ((err = unit->Initialize()) != noErr) {
945 error << string_compose (_("AUPlugin: %1 cannot initialize plugin (err = %2)"), name(), err) << endmsg;
947 frames_processed = 0;
954 AUPlugin::deactivate ()
956 DEBUG_TRACE (DEBUG::AudioUnits, "call Uninitialize in deactivate()\n");
957 unit->Uninitialize ();
964 DEBUG_TRACE (DEBUG::AudioUnits, "call Reset in flush()\n");
965 unit->GlobalReset ();
969 AUPlugin::requires_fixed_size_buffers() const
971 return _requires_fixed_size_buffers;
976 AUPlugin::set_block_size (pframes_t nframes)
978 bool was_initialized = initialized;
979 UInt32 numFrames = nframes;
986 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("set MaximumFramesPerSlice in global scope to %1\n", numFrames));
987 if ((err = unit->SetProperty (kAudioUnitProperty_MaximumFramesPerSlice, kAudioUnitScope_Global,
988 0, &numFrames, sizeof (numFrames))) != noErr) {
989 error << string_compose (_("AU: cannot set max frames (err = %1)"), err) << endmsg;
993 if (was_initialized) {
997 _current_block_size = nframes;
1003 AUPlugin::configure_io (ChanCount in, ChanCount out)
1005 AudioStreamBasicDescription streamFormat;
1006 bool was_initialized = initialized;
1007 int32_t audio_in = in.n_audio();
1008 int32_t audio_out = out.n_audio();
1010 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("configure %1 for %2 in %3 out\n", name(), in, out));
1013 //if we are already running with the requested i/o config, bail out here
1014 if ( (audio_in==input_channels) && (audio_out==output_channels) ) {
1021 streamFormat.mSampleRate = _session.frame_rate();
1022 streamFormat.mFormatID = kAudioFormatLinearPCM;
1023 streamFormat.mFormatFlags = kAudioFormatFlagIsFloat|kAudioFormatFlagIsPacked|kAudioFormatFlagIsNonInterleaved;
1025 #ifdef __LITTLE_ENDIAN__
1028 streamFormat.mFormatFlags |= kAudioFormatFlagIsBigEndian;
1031 streamFormat.mBitsPerChannel = 32;
1032 streamFormat.mFramesPerPacket = 1;
1034 /* apple says that for non-interleaved data, these
1035 values always refer to a single channel.
1037 streamFormat.mBytesPerPacket = 4;
1038 streamFormat.mBytesPerFrame = 4;
1040 streamFormat.mChannelsPerFrame = audio_in;
1042 if (set_input_format (streamFormat) != 0) {
1046 streamFormat.mChannelsPerFrame = audio_out;
1048 if (set_output_format (streamFormat) != 0) {
1052 /* reset plugin info to show currently configured state */
1054 _info->n_inputs = in;
1055 _info->n_outputs = out;
1057 if (was_initialized) {
1065 AUPlugin::input_streams() const
1070 if (input_channels < 0) {
1071 // force PluginIoReConfigure -- see also commit msg e38eb06
1072 c.set (DataType::AUDIO, 0);
1073 c.set (DataType::MIDI, 0);
1075 c.set (DataType::AUDIO, input_channels);
1076 c.set (DataType::MIDI, _has_midi_input ? 1 : 0);
1084 AUPlugin::output_streams() const
1088 if (output_channels < 0) {
1089 // force PluginIoReConfigure - see also commit msg e38eb06
1090 c.set (DataType::AUDIO, 0);
1091 c.set (DataType::MIDI, 0);
1093 c.set (DataType::AUDIO, output_channels);
1094 c.set (DataType::MIDI, _has_midi_output ? 1 : 0);
1101 AUPlugin::can_support_io_configuration (const ChanCount& in, ChanCount& out)
1103 // Note: We never attempt to multiply-instantiate plugins to meet io configurations.
1105 int32_t audio_in = in.n_audio();
1108 AUPluginInfoPtr pinfo = boost::dynamic_pointer_cast<AUPluginInfo>(get_info());
1110 /* lets check MIDI first */
1112 if (in.n_midi() > 0) {
1113 if (!_has_midi_input) {
1118 vector<pair<int,int> >& io_configs = pinfo->cache.io_configs;
1120 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1 has %2 IO configurations, looking for %3 in, %4 out\n",
1121 name(), io_configs.size(), in, out));
1123 //Ardour expects the plugin to tell it the output
1124 //configuration but AU plugins can have multiple I/O
1125 //configurations in most cases. so first lets see
1126 //if there's a configuration that keeps out==in
1128 if (in.n_midi() > 0 && audio_in == 0) {
1129 audio_out = 2; // prefer stereo version if available.
1131 audio_out = audio_in;
1134 for (vector<pair<int,int> >::iterator i = io_configs.begin(); i != io_configs.end(); ++i) {
1136 int32_t possible_in = i->first;
1137 int32_t possible_out = i->second;
1139 if ((possible_in == audio_in) && (possible_out == audio_out)) {
1140 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("\tCHOSEN: %1 in %2 out to match in %3 out %4\n",
1141 possible_in, possible_out,
1144 out.set (DataType::MIDI, 0);
1145 out.set (DataType::AUDIO, audio_out);
1151 /* now allow potentially "imprecise" matches */
1155 for (vector<pair<int,int> >::iterator i = io_configs.begin(); i != io_configs.end(); ++i) {
1157 int32_t possible_in = i->first;
1158 int32_t possible_out = i->second;
1160 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("\tpossible in %1 possible out %2\n", possible_in, possible_out));
1162 if (possible_out == 0) {
1163 warning << string_compose (_("AU %1 has zero outputs - configuration ignored"), name()) << endmsg;
1164 /* XXX surely this is just a send? (e.g. AUNetSend) */
1168 if (possible_in == 0) {
1170 /* instrument plugin, always legal but throws away inputs ...
1173 if (possible_out == -1) {
1174 /* any configuration possible, provide stereo output */
1177 } else if (possible_out == -2) {
1178 /* plugins shouldn't really use (0,-2) but might.
1179 any configuration possible, provide stereo output
1183 } else if (possible_out < -2) {
1184 /* explicitly variable number of outputs.
1186 Since Ardour can handle any configuration,
1187 we have to somehow pick a number.
1189 We'll use the number of inputs
1190 to the master bus, or 2 if there
1193 boost::shared_ptr<Route> master = _session.master_out();
1195 audio_out = master->input()->n_ports().n_audio();
1201 /* exact number of outputs */
1202 audio_out = possible_out;
1207 if (possible_in == -1) {
1209 /* wildcard for input */
1211 if (possible_out == -1) {
1212 /* out much match in */
1213 audio_out = audio_in;
1215 } else if (possible_out == -2) {
1216 /* any configuration possible, pick matching */
1217 audio_out = audio_in;
1219 } else if (possible_out < -2) {
1220 /* explicitly variable number of outputs, pick maximum */
1221 audio_out = -possible_out;
1224 /* exact number of outputs */
1225 audio_out = possible_out;
1230 if (possible_in == -2) {
1232 if (possible_out == -1) {
1233 /* any configuration possible, pick matching */
1234 audio_out = audio_in;
1236 } else if (possible_out == -2) {
1237 /* plugins shouldn't really use (-2,-2) but might.
1238 interpret as (-1,-1).
1240 audio_out = audio_in;
1242 } else if (possible_out < -2) {
1243 /* explicitly variable number of outputs, pick maximum */
1244 audio_out = -possible_out;
1247 /* exact number of outputs */
1248 audio_out = possible_out;
1253 if (possible_in < -2) {
1255 /* explicit variable number of inputs */
1257 if (audio_in > -possible_in) {
1258 /* request is too large */
1262 if (possible_out == -1) {
1263 /* any output configuration possible, provide stereo out */
1266 } else if (possible_out == -2) {
1267 /* plugins shouldn't really use (<-2,-2) but might.
1268 interpret as (<-2,-1): any configuration possible, provide stereo output
1272 } else if (possible_out < -2) {
1273 /* explicitly variable number of outputs.
1275 Since Ardour can handle any configuration,
1276 we have to somehow pick a number.
1278 We'll use the number of inputs
1279 to the master bus, or 2 if there
1282 boost::shared_ptr<Route> master = _session.master_out();
1284 audio_out = master->input()->n_ports().n_audio();
1290 /* exact number of outputs */
1291 audio_out = possible_out;
1296 if (possible_in && (possible_in == audio_in)) {
1298 /* exact number of inputs ... must match obviously */
1300 if (possible_out == -1) {
1301 /* any output configuration possible, provide stereo output */
1304 } else if (possible_out == -2) {
1305 /* plugins shouldn't really use (>0,-2) but might.
1306 interpret as (>0,-1):
1307 any output configuration possible, provide stereo output
1311 } else if (possible_out < -2) {
1312 /* explicitly variable number of outputs, pick maximum */
1313 audio_out = -possible_out;
1316 /* exact number of outputs */
1317 audio_out = possible_out;
1329 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("\tCHOSEN: in %1 out %2\n", in, out));
1331 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("\tFAIL: no io configs match %1\n", in));
1335 out.set (DataType::MIDI, 0);
1336 out.set (DataType::AUDIO, audio_out);
1342 AUPlugin::set_input_format (AudioStreamBasicDescription& fmt)
1344 return set_stream_format (kAudioUnitScope_Input, input_elements, fmt);
1348 AUPlugin::set_output_format (AudioStreamBasicDescription& fmt)
1350 if (set_stream_format (kAudioUnitScope_Output, output_elements, fmt) != 0) {
1359 buffers = (AudioBufferList *) malloc (offsetof(AudioBufferList, mBuffers) +
1360 fmt.mChannelsPerFrame * sizeof(::AudioBuffer));
1366 AUPlugin::set_stream_format (int scope, uint32_t cnt, AudioStreamBasicDescription& fmt)
1370 for (uint32_t i = 0; i < cnt; ++i) {
1371 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("set stream format for %1, scope = %2 element %3\n",
1372 (scope == kAudioUnitScope_Input ? "input" : "output"),
1374 if ((result = unit->SetFormat (scope, i, fmt)) != 0) {
1375 error << string_compose (_("AUPlugin: could not set stream format for %1/%2 (err = %3)"),
1376 (scope == kAudioUnitScope_Input ? "input" : "output"), i, result) << endmsg;
1381 if (scope == kAudioUnitScope_Input) {
1382 input_channels = fmt.mChannelsPerFrame;
1384 output_channels = fmt.mChannelsPerFrame;
1391 AUPlugin::render_callback(AudioUnitRenderActionFlags*,
1392 const AudioTimeStamp*,
1394 UInt32 inNumberFrames,
1395 AudioBufferList* ioData)
1397 /* not much to do with audio - the data is already in the buffers given to us in connect_and_run() */
1399 // DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1: render callback, frames %2 bufs %3\n",
1400 // name(), inNumberFrames, ioData->mNumberBuffers));
1402 if (input_maxbuf == 0) {
1403 error << _("AUPlugin: render callback called illegally!") << endmsg;
1404 return kAudioUnitErr_CannotDoInCurrentContext;
1406 uint32_t limit = min ((uint32_t) ioData->mNumberBuffers, input_maxbuf);
1408 for (uint32_t i = 0; i < limit; ++i) {
1409 ioData->mBuffers[i].mNumberChannels = 1;
1410 ioData->mBuffers[i].mDataByteSize = sizeof (Sample) * inNumberFrames;
1412 /* we don't use the channel mapping because audiounits are
1413 never replicated. one plugin instance uses all channels/buffers
1414 passed to PluginInsert::connect_and_run()
1417 ioData->mBuffers[i].mData = input_buffers->get_audio (i).data (cb_offset + input_offset);
1420 cb_offset += inNumberFrames;
1426 AUPlugin::connect_and_run (BufferSet& bufs, ChanMapping in_map, ChanMapping out_map, pframes_t nframes, framecnt_t offset)
1428 Plugin::connect_and_run (bufs, in_map, out_map, nframes, offset);
1430 AudioUnitRenderActionFlags flags = 0;
1434 if (requires_fixed_size_buffers() && (nframes != _last_nframes)) {
1435 unit->GlobalReset();
1436 _last_nframes = nframes;
1439 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1 in %2 out %3 MIDI %4 bufs %5 (available %6)\n",
1440 name(), input_channels, output_channels, _has_midi_input,
1441 bufs.count(), bufs.available()));
1443 /* the apparent number of buffers matches our input configuration, but we know that the bufferset
1444 has the capacity to handle our outputs.
1447 assert (bufs.available() >= ChanCount (DataType::AUDIO, output_channels));
1449 input_buffers = &bufs;
1450 input_maxbuf = bufs.count().n_audio(); // number of input audio buffers
1451 input_offset = offset;
1454 buffers->mNumberBuffers = output_channels;
1456 for (int32_t i = 0; i < output_channels; ++i) {
1457 buffers->mBuffers[i].mNumberChannels = 1;
1458 buffers->mBuffers[i].mDataByteSize = nframes * sizeof (Sample);
1459 /* setting this to 0 indicates to the AU that it can provide buffers here
1460 if necessary. if it can process in-place, it will use the buffers provided
1461 as input by ::render_callback() above.
1463 a non-null values tells the plugin to render into the buffer pointed
1466 buffers->mBuffers[i].mData = 0;
1469 if (_has_midi_input) {
1471 uint32_t nmidi = bufs.count().n_midi();
1473 for (uint32_t i = 0; i < nmidi; ++i) {
1475 /* one MIDI port/buffer only */
1477 MidiBuffer& m = bufs.get_midi (i);
1479 for (MidiBuffer::iterator i = m.begin(); i != m.end(); ++i) {
1480 Evoral::MIDIEvent<framepos_t> ev (*i);
1482 if (ev.is_channel_event()) {
1483 const uint8_t* b = ev.buffer();
1484 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1: MIDI event %2\n", name(), ev));
1485 unit->MIDIEvent (b[0], b[1], b[2], ev.time());
1488 /* XXX need to handle sysex and other message types */
1493 /* does this really mean anything ?
1496 ts.mSampleTime = frames_processed;
1497 ts.mFlags = kAudioTimeStampSampleTimeValid;
1499 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1 render flags=%2 time=%3 nframes=%4 buffers=%5\n",
1500 name(), flags, frames_processed, nframes, buffers->mNumberBuffers));
1502 if ((err = unit->Render (&flags, &ts, 0, nframes, buffers)) == noErr) {
1505 frames_processed += nframes;
1507 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1 rendered %2 buffers of %3\n",
1508 name(), buffers->mNumberBuffers, output_channels));
1510 int32_t limit = min ((int32_t) buffers->mNumberBuffers, output_channels);
1513 for (i = 0; i < limit; ++i) {
1514 Sample* expected_buffer_address= bufs.get_audio (i).data (offset);
1515 if (expected_buffer_address != buffers->mBuffers[i].mData) {
1516 /* plugin provided its own buffer for output so copy it back to where we want it
1518 memcpy (expected_buffer_address, buffers->mBuffers[i].mData, nframes * sizeof (Sample));
1522 /* now silence any buffers that were passed in but the that the plugin
1523 did not fill/touch/use.
1526 for (;i < output_channels; ++i) {
1527 memset (bufs.get_audio (i).data (offset), 0, nframes * sizeof (Sample));
1533 error << string_compose (_("AU: render error for %1, status = %2"), name(), err) << endmsg;
1538 AUPlugin::get_beat_and_tempo_callback (Float64* outCurrentBeat,
1539 Float64* outCurrentTempo)
1541 TempoMap& tmap (_session.tempo_map());
1543 DEBUG_TRACE (DEBUG::AudioUnits, "AU calls ardour beat&tempo callback\n");
1545 /* more than 1 meter or more than 1 tempo means that a simplistic computation
1546 (and interpretation) of a beat position will be incorrect. So refuse to
1550 if (tmap.n_tempos() > 1 || tmap.n_meters() > 1) {
1551 return kAudioUnitErr_CannotDoInCurrentContext;
1554 Timecode::BBT_Time bbt;
1555 TempoMetric metric = tmap.metric_at (_session.transport_frame() + input_offset);
1556 tmap.bbt_time (_session.transport_frame() + input_offset, bbt);
1558 if (outCurrentBeat) {
1560 beat = metric.meter().divisions_per_bar() * bbt.bars;
1562 beat += bbt.ticks / Timecode::BBT_Time::ticks_per_beat;
1563 *outCurrentBeat = beat;
1566 if (outCurrentTempo) {
1567 *outCurrentTempo = floor (metric.tempo().beats_per_minute());
1575 AUPlugin::get_musical_time_location_callback (UInt32* outDeltaSampleOffsetToNextBeat,
1576 Float32* outTimeSig_Numerator,
1577 UInt32* outTimeSig_Denominator,
1578 Float64* outCurrentMeasureDownBeat)
1580 TempoMap& tmap (_session.tempo_map());
1582 DEBUG_TRACE (DEBUG::AudioUnits, "AU calls ardour music time location callback\n");
1584 /* more than 1 meter or more than 1 tempo means that a simplistic computation
1585 (and interpretation) of a beat position will be incorrect. So refuse to
1589 if (tmap.n_tempos() > 1 || tmap.n_meters() > 1) {
1590 return kAudioUnitErr_CannotDoInCurrentContext;
1593 Timecode::BBT_Time bbt;
1594 TempoMetric metric = tmap.metric_at (_session.transport_frame() + input_offset);
1595 tmap.bbt_time (_session.transport_frame() + input_offset, bbt);
1597 if (outDeltaSampleOffsetToNextBeat) {
1598 if (bbt.ticks == 0) {
1600 *outDeltaSampleOffsetToNextBeat = 0;
1602 *outDeltaSampleOffsetToNextBeat = (UInt32)
1603 floor (((Timecode::BBT_Time::ticks_per_beat - bbt.ticks)/Timecode::BBT_Time::ticks_per_beat) * // fraction of a beat to next beat
1604 metric.tempo().frames_per_beat (_session.frame_rate())); // frames per beat
1608 if (outTimeSig_Numerator) {
1609 *outTimeSig_Numerator = (UInt32) lrintf (metric.meter().divisions_per_bar());
1611 if (outTimeSig_Denominator) {
1612 *outTimeSig_Denominator = (UInt32) lrintf (metric.meter().note_divisor());
1615 if (outCurrentMeasureDownBeat) {
1617 /* beat for the start of the bar.
1619 2|1|0 -> 1 + divisions_per_bar
1620 3|1|0 -> 1 + (2 * divisions_per_bar)
1624 *outCurrentMeasureDownBeat = 1 + metric.meter().divisions_per_bar() * (bbt.bars - 1);
1631 AUPlugin::get_transport_state_callback (Boolean* outIsPlaying,
1632 Boolean* outTransportStateChanged,
1633 Float64* outCurrentSampleInTimeLine,
1634 Boolean* outIsCycling,
1635 Float64* outCycleStartBeat,
1636 Float64* outCycleEndBeat)
1641 DEBUG_TRACE (DEBUG::AudioUnits, "AU calls ardour transport state callback\n");
1643 rolling = _session.transport_rolling();
1644 speed = _session.transport_speed ();
1647 *outIsPlaying = _session.transport_rolling();
1650 if (outTransportStateChanged) {
1651 if (rolling != last_transport_rolling) {
1652 *outTransportStateChanged = true;
1653 } else if (speed != last_transport_speed) {
1654 *outTransportStateChanged = true;
1656 *outTransportStateChanged = false;
1660 if (outCurrentSampleInTimeLine) {
1661 /* this assumes that the AU can only call this host callback from render context,
1662 where input_offset is valid.
1664 *outCurrentSampleInTimeLine = _session.transport_frame() + input_offset;
1668 Location* loc = _session.locations()->auto_loop_location();
1670 *outIsCycling = (loc && _session.transport_rolling() && _session.get_play_loop());
1672 if (*outIsCycling) {
1674 if (outCycleStartBeat || outCycleEndBeat) {
1676 TempoMap& tmap (_session.tempo_map());
1678 /* more than 1 meter means that a simplistic computation (and interpretation) of
1679 a beat position will be incorrect. so refuse to offer the value.
1682 if (tmap.n_meters() > 1) {
1683 return kAudioUnitErr_CannotDoInCurrentContext;
1686 Timecode::BBT_Time bbt;
1688 if (outCycleStartBeat) {
1689 TempoMetric metric = tmap.metric_at (loc->start() + input_offset);
1690 _session.tempo_map().bbt_time (loc->start(), bbt);
1693 beat = metric.meter().divisions_per_bar() * bbt.bars;
1695 beat += bbt.ticks / Timecode::BBT_Time::ticks_per_beat;
1697 *outCycleStartBeat = beat;
1700 if (outCycleEndBeat) {
1701 TempoMetric metric = tmap.metric_at (loc->end() + input_offset);
1702 _session.tempo_map().bbt_time (loc->end(), bbt);
1705 beat = metric.meter().divisions_per_bar() * bbt.bars;
1707 beat += bbt.ticks / Timecode::BBT_Time::ticks_per_beat;
1709 *outCycleEndBeat = beat;
1715 last_transport_rolling = rolling;
1716 last_transport_speed = speed;
1721 set<Evoral::Parameter>
1722 AUPlugin::automatable() const
1724 set<Evoral::Parameter> automates;
1726 for (uint32_t i = 0; i < descriptors.size(); ++i) {
1727 if (descriptors[i].automatable) {
1728 automates.insert (automates.end(), Evoral::Parameter (PluginAutomation, 0, i));
1736 AUPlugin::describe_parameter (Evoral::Parameter param)
1738 if (param.type() == PluginAutomation && param.id() < parameter_count()) {
1739 return descriptors[param.id()].label;
1746 AUPlugin::print_parameter (uint32_t /*param*/, char* /*buf*/, uint32_t /*len*/) const
1748 // NameValue stuff here
1752 AUPlugin::parameter_is_audio (uint32_t) const
1758 AUPlugin::parameter_is_control (uint32_t param) const
1760 assert(param < descriptors.size());
1761 if (descriptors[param].automatable) {
1762 /* corrently ardour expects all controls to be automatable
1763 * IOW ardour GUI elements mandate an Evoral::Parameter
1764 * for all input+control ports.
1772 AUPlugin::parameter_is_input (uint32_t param) const
1774 /* AU params that are both readable and writeable,
1775 * are listed in kAudioUnitScope_Global
1777 return (descriptors[param].scope == kAudioUnitScope_Input || descriptors[param].scope == kAudioUnitScope_Global);
1781 AUPlugin::parameter_is_output (uint32_t param) const
1783 assert(param < descriptors.size());
1784 // TODO check if ardour properly handles ports
1785 // that report is_input + is_output == true
1786 // -> add || descriptors[param].scope == kAudioUnitScope_Global
1787 return (descriptors[param].scope == kAudioUnitScope_Output);
1791 AUPlugin::add_state (XMLNode* root) const
1793 LocaleGuard lg (X_("C"));
1795 CFPropertyListRef propertyList;
1797 DEBUG_TRACE (DEBUG::AudioUnits, "get preset state\n");
1798 if (unit->GetAUPreset (propertyList) != noErr) {
1802 // Convert the property list into XML data.
1804 xmlData = CFPropertyListCreateXMLData( kCFAllocatorDefault, propertyList);
1807 error << _("Could not create XML version of property list") << endmsg;
1811 /* re-parse XML bytes to create a libxml++ XMLTree that we can merge into
1812 our state node. GACK!
1817 if (t.read_buffer (string ((const char*) CFDataGetBytePtr (xmlData), CFDataGetLength (xmlData)))) {
1819 root->add_child_copy (*t.root());
1823 CFRelease (xmlData);
1824 CFRelease (propertyList);
1828 AUPlugin::set_state(const XMLNode& node, int version)
1831 CFPropertyListRef propertyList;
1832 LocaleGuard lg (X_("C"));
1834 if (node.name() != state_node_name()) {
1835 error << _("Bad node sent to AUPlugin::set_state") << endmsg;
1839 #ifndef NO_PLUGIN_STATE
1840 if (node.children().empty()) {
1844 XMLNode* top = node.children().front();
1845 XMLNode* copy = new XMLNode (*top);
1850 const string& xml = t.write_buffer ();
1851 CFDataRef xmlData = CFDataCreateWithBytesNoCopy (kCFAllocatorDefault, (UInt8*) xml.data(), xml.length(), kCFAllocatorNull);
1852 CFStringRef errorString;
1854 propertyList = CFPropertyListCreateFromXMLData( kCFAllocatorDefault,
1856 kCFPropertyListImmutable,
1859 CFRelease (xmlData);
1862 DEBUG_TRACE (DEBUG::AudioUnits, "set preset\n");
1863 if (unit->SetAUPreset (propertyList) == noErr) {
1866 /* tell the world */
1868 AudioUnitParameter changedUnit;
1869 changedUnit.mAudioUnit = unit->AU();
1870 changedUnit.mParameterID = kAUParameterListener_AnyParameter;
1871 AUParameterListenerNotify (NULL, NULL, &changedUnit);
1873 CFRelease (propertyList);
1877 Plugin::set_state (node, version);
1882 AUPlugin::load_preset (PresetRecord r)
1884 Plugin::load_preset (r);
1887 CFPropertyListRef propertyList;
1889 UserPresetMap::iterator ux;
1890 FactoryPresetMap::iterator fx;
1892 /* look first in "user" presets */
1894 if ((ux = user_preset_map.find (r.label)) != user_preset_map.end()) {
1896 if ((propertyList = load_property_list (ux->second)) != 0) {
1897 DEBUG_TRACE (DEBUG::AudioUnits, "set preset from user presets\n");
1898 if (unit->SetAUPreset (propertyList) == noErr) {
1901 /* tell the world */
1903 AudioUnitParameter changedUnit;
1904 changedUnit.mAudioUnit = unit->AU();
1905 changedUnit.mParameterID = kAUParameterListener_AnyParameter;
1906 AUParameterListenerNotify (NULL, NULL, &changedUnit);
1908 CFRelease(propertyList);
1911 } else if ((fx = factory_preset_map.find (r.label)) != factory_preset_map.end()) {
1915 preset.presetNumber = fx->second;
1916 preset.presetName = CFStringCreateWithCString (kCFAllocatorDefault, fx->first.c_str(), kCFStringEncodingUTF8);
1918 DEBUG_TRACE (DEBUG::AudioUnits, "set preset from factory presets\n");
1920 if (unit->SetPresentPreset (preset) == 0) {
1923 /* tell the world */
1925 AudioUnitParameter changedUnit;
1926 changedUnit.mAudioUnit = unit->AU();
1927 changedUnit.mParameterID = kAUParameterListener_AnyParameter;
1928 AUParameterListenerNotify (NULL, NULL, &changedUnit);
1936 AUPlugin::do_remove_preset (std::string)
1941 AUPlugin::do_save_preset (string preset_name)
1943 CFPropertyListRef propertyList;
1944 vector<Glib::ustring> v;
1945 Glib::ustring user_preset_path;
1947 std::string m = maker();
1948 std::string n = name();
1950 strip_whitespace_edges (m);
1951 strip_whitespace_edges (n);
1953 v.push_back (Glib::get_home_dir());
1954 v.push_back ("Library");
1955 v.push_back ("Audio");
1956 v.push_back ("Presets");
1960 user_preset_path = Glib::build_filename (v);
1962 if (g_mkdir_with_parents (user_preset_path.c_str(), 0775) < 0) {
1963 error << string_compose (_("Cannot create user plugin presets folder (%1)"), user_preset_path) << endmsg;
1967 DEBUG_TRACE (DEBUG::AudioUnits, "get current preset\n");
1968 if (unit->GetAUPreset (propertyList) != noErr) {
1972 // add the actual preset name */
1974 v.push_back (preset_name + preset_suffix);
1978 user_preset_path = Glib::build_filename (v);
1980 set_preset_name_in_plist (propertyList, preset_name);
1982 if (save_property_list (propertyList, user_preset_path)) {
1983 error << string_compose (_("Saving plugin state to %1 failed"), user_preset_path) << endmsg;
1987 CFRelease(propertyList);
1989 user_preset_map[preset_name] = user_preset_path;;
1991 DEBUG_TRACE (DEBUG::AudioUnits, string_compose("AU Saving Preset to %1\n", user_preset_path));
1993 return string ("file:///") + user_preset_path;
1996 //-----------------------------------------------------------------------------
1997 // this is just a little helper function used by GetAUComponentDescriptionFromPresetFile()
1999 GetDictionarySInt32Value(CFDictionaryRef inAUStateDictionary, CFStringRef inDictionaryKey, Boolean * outSuccess)
2001 CFNumberRef cfNumber;
2002 SInt32 numberValue = 0;
2003 Boolean dummySuccess;
2005 if (outSuccess == NULL)
2006 outSuccess = &dummySuccess;
2007 if ( (inAUStateDictionary == NULL) || (inDictionaryKey == NULL) )
2009 *outSuccess = FALSE;
2013 cfNumber = (CFNumberRef) CFDictionaryGetValue(inAUStateDictionary, inDictionaryKey);
2014 if (cfNumber == NULL)
2016 *outSuccess = FALSE;
2019 *outSuccess = CFNumberGetValue(cfNumber, kCFNumberSInt32Type, &numberValue);
2027 GetAUComponentDescriptionFromStateData(CFPropertyListRef inAUStateData, ComponentDescription * outComponentDescription)
2029 CFDictionaryRef auStateDictionary;
2030 ComponentDescription tempDesc = {0,0,0,0,0};
2031 SInt32 versionValue;
2034 if ( (inAUStateData == NULL) || (outComponentDescription == NULL) )
2037 // the property list for AU state data must be of the dictionary type
2038 if (CFGetTypeID(inAUStateData) != CFDictionaryGetTypeID()) {
2039 return kAudioUnitErr_InvalidPropertyValue;
2042 auStateDictionary = (CFDictionaryRef)inAUStateData;
2044 // first check to make sure that the version of the AU state data is one that we know understand
2045 // XXX should I really do this? later versions would probably still hold these ID keys, right?
2046 versionValue = GetDictionarySInt32Value(auStateDictionary, CFSTR(kAUPresetVersionKey), &gotValue);
2049 return kAudioUnitErr_InvalidPropertyValue;
2051 #define kCurrentSavedStateVersion 0
2052 if (versionValue != kCurrentSavedStateVersion) {
2053 return kAudioUnitErr_InvalidPropertyValue;
2056 // grab the ComponentDescription values from the AU state data
2057 tempDesc.componentType = (OSType) GetDictionarySInt32Value(auStateDictionary, CFSTR(kAUPresetTypeKey), NULL);
2058 tempDesc.componentSubType = (OSType) GetDictionarySInt32Value(auStateDictionary, CFSTR(kAUPresetSubtypeKey), NULL);
2059 tempDesc.componentManufacturer = (OSType) GetDictionarySInt32Value(auStateDictionary, CFSTR(kAUPresetManufacturerKey), NULL);
2060 // zero values are illegit for specific ComponentDescriptions, so zero for any value means that there was an error
2061 if ( (tempDesc.componentType == 0) || (tempDesc.componentSubType == 0) || (tempDesc.componentManufacturer == 0) )
2062 return kAudioUnitErr_InvalidPropertyValue;
2064 *outComponentDescription = tempDesc;
2069 static bool au_preset_filter (const string& str, void* arg)
2071 /* Not a dotfile, has a prefix before a period, suffix is aupreset */
2075 ret = (str[0] != '.' && str.length() > 9 && str.find (preset_suffix) == (str.length() - preset_suffix.length()));
2079 /* check the preset file path name against this plugin
2080 ID. The idea is that all preset files for this plugin
2081 include "<manufacturer>/<plugin-name>" in their path.
2084 Plugin* p = (Plugin *) arg;
2085 string match = p->maker();
2089 ret = str.find (match) != string::npos;
2092 string m = p->maker ();
2093 string n = p->name ();
2094 strip_whitespace_edges (m);
2095 strip_whitespace_edges (n);
2100 ret = str.find (match) != string::npos;
2108 check_and_get_preset_name (Component component, const string& pathstr, string& preset_name)
2111 CFPropertyListRef plist;
2112 ComponentDescription presetDesc;
2115 plist = load_property_list (pathstr);
2121 // get the ComponentDescription from the AU preset file
2123 status = GetAUComponentDescriptionFromStateData(plist, &presetDesc);
2125 if (status == noErr) {
2126 if (ComponentAndDescriptionMatch_Loosely(component, &presetDesc)) {
2128 /* try to get the preset name from the property list */
2130 if (CFGetTypeID(plist) == CFDictionaryGetTypeID()) {
2132 const void* psk = CFDictionaryGetValue ((CFMutableDictionaryRef)plist, CFSTR(kAUPresetNameKey));
2136 const char* p = CFStringGetCStringPtr ((CFStringRef) psk, kCFStringEncodingUTF8);
2139 char buf[PATH_MAX+1];
2141 if (CFStringGetCString ((CFStringRef)psk, buf, sizeof (buf), kCFStringEncodingUTF8)) {
2156 AUPlugin::current_preset() const
2160 CFPropertyListRef propertyList;
2162 DEBUG_TRACE (DEBUG::AudioUnits, "get current preset for current_preset()\n");
2163 if (unit->GetAUPreset (propertyList) == noErr) {
2164 preset_name = get_preset_name_in_plist (propertyList);
2165 CFRelease(propertyList);
2172 AUPlugin::find_presets ()
2174 vector<string> preset_files;
2176 user_preset_map.clear ();
2178 find_files_matching_filter (preset_files, preset_search_path, au_preset_filter, this, true, true, true);
2180 if (preset_files.empty()) {
2181 DEBUG_TRACE (DEBUG::AudioUnits, "AU No Preset Files found for given plugin.\n");
2185 for (vector<string>::iterator x = preset_files.begin(); x != preset_files.end(); ++x) {
2190 /* make an initial guess at the preset name using the path */
2192 preset_name = Glib::path_get_basename (path);
2193 preset_name = preset_name.substr (0, preset_name.find_last_of ('.'));
2195 /* check that this preset file really matches this plugin
2196 and potentially get the "real" preset name from
2200 if (check_and_get_preset_name (get_comp()->Comp(), path, preset_name)) {
2201 user_preset_map[preset_name] = path;
2202 DEBUG_TRACE (DEBUG::AudioUnits, string_compose("AU Preset File: %1 > %2\n", preset_name, path));
2204 DEBUG_TRACE (DEBUG::AudioUnits, string_compose("AU INVALID Preset: %1 > %2\n", preset_name, path));
2209 /* now fill the vector<string> with the names we have */
2211 for (UserPresetMap::iterator i = user_preset_map.begin(); i != user_preset_map.end(); ++i) {
2212 _presets.insert (make_pair (i->second, Plugin::PresetRecord (i->second, i->first)));
2213 DEBUG_TRACE (DEBUG::AudioUnits, string_compose("AU Adding User Preset: %1 > %2\n", i->first, i->second));
2216 /* add factory presets */
2218 for (FactoryPresetMap::iterator i = factory_preset_map.begin(); i != factory_preset_map.end(); ++i) {
2220 string const uri = string_compose ("%1", _presets.size ());
2221 _presets.insert (make_pair (uri, Plugin::PresetRecord (uri, i->first, i->second)));
2222 DEBUG_TRACE (DEBUG::AudioUnits, string_compose("AU Adding Factory Preset: %1 > %2\n", i->first, i->second));
2227 AUPlugin::has_editor () const
2229 // even if the plugin doesn't have its own editor, the AU API can be used
2230 // to create one that looks native.
2234 AUPluginInfo::AUPluginInfo (boost::shared_ptr<CAComponentDescription> d)
2237 type = ARDOUR::AudioUnit;
2240 AUPluginInfo::~AUPluginInfo ()
2242 type = ARDOUR::AudioUnit;
2246 AUPluginInfo::load (Session& session)
2251 DEBUG_TRACE (DEBUG::AudioUnits, "load AU as a component\n");
2252 boost::shared_ptr<CAComponent> comp (new CAComponent(*descriptor));
2254 if (!comp->IsValid()) {
2255 error << ("AudioUnit: not a valid Component") << endmsg;
2257 plugin.reset (new AUPlugin (session.engine(), session, comp));
2260 AUPluginInfo *aup = new AUPluginInfo (*this);
2261 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("plugin info for %1 = %2\n", this, aup));
2262 plugin->set_info (PluginInfoPtr (aup));
2263 boost::dynamic_pointer_cast<AUPlugin> (plugin)->set_fixed_size_buffers (aup->creator == "Universal Audio");
2267 catch (failed_constructor &err) {
2268 DEBUG_TRACE (DEBUG::AudioUnits, "failed to load component/plugin\n");
2269 return PluginPtr ();
2274 AUPluginInfo::au_cache_path ()
2276 return Glib::build_filename (ARDOUR::user_config_directory(), "au_cache");
2280 AUPluginInfo::discover ()
2284 if (!Glib::file_test (au_cache_path(), Glib::FILE_TEST_EXISTS)) {
2285 ARDOUR::BootMessage (_("Discovering AudioUnit plugins (could take some time ...)"));
2287 // create crash log file
2288 au_start_crashlog ();
2290 PluginInfoList* plugs = new PluginInfoList;
2292 discover_fx (*plugs);
2293 discover_music (*plugs);
2294 discover_generators (*plugs);
2295 discover_instruments (*plugs);
2297 // all fine if we get here
2298 au_remove_crashlog ();
2300 DEBUG_TRACE (DEBUG::PluginManager, string_compose ("AU: discovered %1 plugins\n", plugs->size()));
2306 AUPluginInfo::discover_music (PluginInfoList& plugs)
2308 CAComponentDescription desc;
2309 desc.componentFlags = 0;
2310 desc.componentFlagsMask = 0;
2311 desc.componentSubType = 0;
2312 desc.componentManufacturer = 0;
2313 desc.componentType = kAudioUnitType_MusicEffect;
2315 discover_by_description (plugs, desc);
2319 AUPluginInfo::discover_fx (PluginInfoList& plugs)
2321 CAComponentDescription desc;
2322 desc.componentFlags = 0;
2323 desc.componentFlagsMask = 0;
2324 desc.componentSubType = 0;
2325 desc.componentManufacturer = 0;
2326 desc.componentType = kAudioUnitType_Effect;
2328 discover_by_description (plugs, desc);
2332 AUPluginInfo::discover_generators (PluginInfoList& plugs)
2334 CAComponentDescription desc;
2335 desc.componentFlags = 0;
2336 desc.componentFlagsMask = 0;
2337 desc.componentSubType = 0;
2338 desc.componentManufacturer = 0;
2339 desc.componentType = kAudioUnitType_Generator;
2341 discover_by_description (plugs, desc);
2345 AUPluginInfo::discover_instruments (PluginInfoList& plugs)
2347 CAComponentDescription desc;
2348 desc.componentFlags = 0;
2349 desc.componentFlagsMask = 0;
2350 desc.componentSubType = 0;
2351 desc.componentManufacturer = 0;
2352 desc.componentType = kAudioUnitType_MusicDevice;
2354 discover_by_description (plugs, desc);
2359 AUPluginInfo::au_get_crashlog (std::string &msg)
2361 string fn = Glib::build_filename (ARDOUR::user_cache_directory(), "au_crashlog.txt");
2362 if (!Glib::file_test (fn, Glib::FILE_TEST_EXISTS)) {
2365 std::ifstream ifs(fn.c_str());
2366 msg.assign ((std::istreambuf_iterator<char>(ifs)), (std::istreambuf_iterator<char>()));
2367 au_remove_crashlog ();
2372 AUPluginInfo::au_start_crashlog ()
2374 string fn = Glib::build_filename (ARDOUR::user_cache_directory(), "au_crashlog.txt");
2375 assert(!_crashlog_fd);
2376 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("Creating AU Log: %1\n", fn));
2377 if (!(_crashlog_fd = fopen(fn.c_str(), "w"))) {
2378 PBD::error << "Cannot create AU error-log\n";
2383 AUPluginInfo::au_remove_crashlog ()
2386 ::fclose(_crashlog_fd);
2387 _crashlog_fd = NULL;
2389 string fn = Glib::build_filename (ARDOUR::user_cache_directory(), "au_crashlog.txt");
2390 ::g_unlink(fn.c_str());
2391 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("Remove AU Log: %1\n", fn));
2396 AUPluginInfo::au_crashlog (std::string msg)
2398 assert(_crashlog_fd);
2399 fprintf(_crashlog_fd, "AU: %s\n", msg.c_str());
2400 ::fflush(_crashlog_fd);
2404 AUPluginInfo::discover_by_description (PluginInfoList& plugs, CAComponentDescription& desc)
2407 au_crashlog(string_compose("Start AU discovery for Type: %1", (int)desc.componentType));
2409 comp = FindNextComponent (NULL, &desc);
2411 while (comp != NULL) {
2412 CAComponentDescription temp;
2413 GetComponentInfo (comp, &temp, NULL, NULL, NULL);
2414 CFStringRef itemName = NULL;
2417 if (itemName != NULL) CFRelease(itemName);
2418 CFStringRef compTypeString = UTCreateStringForOSType(temp.componentType);
2419 CFStringRef compSubTypeString = UTCreateStringForOSType(temp.componentSubType);
2420 CFStringRef compManufacturerString = UTCreateStringForOSType(temp.componentManufacturer);
2421 itemName = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("%@ - %@ - %@"),
2422 compTypeString, compManufacturerString, compSubTypeString);
2423 au_crashlog(string_compose("Scanning ID: %1", CFStringRefToStdString(itemName)));
2424 if (compTypeString != NULL)
2425 CFRelease(compTypeString);
2426 if (compSubTypeString != NULL)
2427 CFRelease(compSubTypeString);
2428 if (compManufacturerString != NULL)
2429 CFRelease(compManufacturerString);
2432 if (is_blacklisted(CFStringRefToStdString(itemName))) {
2433 info << string_compose (_("Skipped blacklisted AU plugin %1 "), CFStringRefToStdString(itemName)) << endmsg;
2434 comp = FindNextComponent (comp, &desc);
2438 AUPluginInfoPtr info (new AUPluginInfo
2439 (boost::shared_ptr<CAComponentDescription> (new CAComponentDescription(temp))));
2441 /* although apple designed the subtype field to be a "category" indicator,
2442 its really turned into a plugin ID field for a given manufacturer. Hence
2443 there are no categories for AudioUnits. However, to keep the plugins
2444 showing up under "categories", we'll use the "type" as a high level
2447 NOTE: no panners, format converters or i/o AU's for our purposes
2450 switch (info->descriptor->Type()) {
2451 case kAudioUnitType_Panner:
2452 case kAudioUnitType_OfflineEffect:
2453 case kAudioUnitType_FormatConverter:
2454 comp = FindNextComponent (comp, &desc);
2457 case kAudioUnitType_Output:
2458 info->category = _("AudioUnit Outputs");
2460 case kAudioUnitType_MusicDevice:
2461 info->category = _("AudioUnit Instruments");
2463 case kAudioUnitType_MusicEffect:
2464 info->category = _("AudioUnit MusicEffects");
2466 case kAudioUnitType_Effect:
2467 info->category = _("AudioUnit Effects");
2469 case kAudioUnitType_Mixer:
2470 info->category = _("AudioUnit Mixers");
2472 case kAudioUnitType_Generator:
2473 info->category = _("AudioUnit Generators");
2476 info->category = _("AudioUnit (Unknown)");
2480 au_blacklist(CFStringRefToStdString(itemName));
2481 AUPluginInfo::get_names (temp, info->name, info->creator);
2482 ARDOUR::PluginScanMessage(_("AU"), info->name, false);
2483 au_crashlog(string_compose("Plugin: %1", info->name));
2485 info->type = ARDOUR::AudioUnit;
2486 info->unique_id = stringify_descriptor (*info->descriptor);
2488 /* XXX not sure of the best way to handle plugin versioning yet
2491 CAComponent cacomp (*info->descriptor);
2493 if (cacomp.GetResourceVersion (info->version) != noErr) {
2497 if (cached_io_configuration (info->unique_id, info->version, cacomp, info->cache, info->name)) {
2499 /* here we have to map apple's wildcard system to a simple pair
2500 of values. in ::can_do() we use the whole system, but here
2501 we need a single pair of values. XXX probably means we should
2502 remove any use of these values.
2504 for now, if the plugin provides a wildcard, treat it as 1. we really
2505 don't care much, because whether we can handle an i/o configuration
2506 depends upon ::can_support_io_configuration(), not these counts.
2508 they exist because other parts of ardour try to present i/o configuration
2509 info to the user, which should perhaps be revisited.
2512 int32_t possible_in = info->cache.io_configs.front().first;
2513 int32_t possible_out = info->cache.io_configs.front().second;
2515 if (possible_in > 0) {
2516 info->n_inputs.set (DataType::AUDIO, possible_in);
2518 info->n_inputs.set (DataType::AUDIO, 1);
2521 if (possible_out > 0) {
2522 info->n_outputs.set (DataType::AUDIO, possible_out);
2524 info->n_outputs.set (DataType::AUDIO, 1);
2527 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("detected AU %1 with %2 i/o configurations - %3\n",
2528 info->name.c_str(), info->cache.io_configs.size(), info->unique_id));
2530 plugs.push_back (info);
2533 error << string_compose (_("Cannot get I/O configuration info for AU %1"), info->name) << endmsg;
2536 au_unblacklist(CFStringRefToStdString(itemName));
2537 au_crashlog("Success.");
2538 comp = FindNextComponent (comp, &desc);
2539 if (itemName != NULL) CFRelease(itemName); itemName = NULL;
2541 au_crashlog(string_compose("End AU discovery for Type: %1", (int)desc.componentType));
2545 AUPluginInfo::cached_io_configuration (const std::string& unique_id,
2548 AUPluginCachedInfo& cinfo,
2549 const std::string& name)
2554 /* concatenate unique ID with version to provide a key for cached info lookup.
2555 this ensures we don't get stale information, or should if plugin developers
2556 follow Apple "guidelines".
2559 snprintf (buf, sizeof (buf), "%u", (uint32_t) version);
2564 CachedInfoMap::iterator cim = cached_info.find (id);
2566 if (cim != cached_info.end()) {
2567 cinfo = cim->second;
2572 AUChannelInfo* channel_info;
2576 ARDOUR::BootMessage (string_compose (_("Checking AudioUnit: %1"), name));
2580 if (CAAudioUnit::Open (comp, unit) != noErr) {
2586 warning << string_compose (_("Could not load AU plugin %1 - ignored"), name) << endmsg;
2591 DEBUG_TRACE (DEBUG::AudioUnits, "get AU channel info\n");
2592 if ((ret = unit.GetChannelInfo (&channel_info, cnt)) < 0) {
2598 /* no explicit info available, so default to 1in/1out */
2600 /* XXX this is wrong. we should be indicating wildcard values */
2602 cinfo.io_configs.push_back (pair<int,int> (-1, -1));
2606 /* store each configuration */
2608 for (uint32_t n = 0; n < cnt; ++n) {
2609 cinfo.io_configs.push_back (pair<int,int> (channel_info[n].inChannels,
2610 channel_info[n].outChannels));
2613 free (channel_info);
2616 add_cached_info (id, cinfo);
2617 save_cached_info ();
2623 AUPluginInfo::add_cached_info (const std::string& id, AUPluginCachedInfo& cinfo)
2625 cached_info[id] = cinfo;
2628 #define AU_CACHE_VERSION "2.0"
2631 AUPluginInfo::save_cached_info ()
2635 node = new XMLNode (X_("AudioUnitPluginCache"));
2636 node->add_property( "version", AU_CACHE_VERSION );
2638 for (map<string,AUPluginCachedInfo>::iterator i = cached_info.begin(); i != cached_info.end(); ++i) {
2639 XMLNode* parent = new XMLNode (X_("plugin"));
2640 parent->add_property ("id", i->first);
2641 node->add_child_nocopy (*parent);
2643 for (vector<pair<int, int> >::iterator j = i->second.io_configs.begin(); j != i->second.io_configs.end(); ++j) {
2645 XMLNode* child = new XMLNode (X_("io"));
2648 snprintf (buf, sizeof (buf), "%d", j->first);
2649 child->add_property (X_("in"), buf);
2650 snprintf (buf, sizeof (buf), "%d", j->second);
2651 child->add_property (X_("out"), buf);
2652 parent->add_child_nocopy (*child);
2657 Glib::ustring path = au_cache_path ();
2660 tree.set_root (node);
2662 if (!tree.write (path)) {
2663 error << string_compose (_("could not save AU cache to %1"), path) << endmsg;
2664 g_unlink (path.c_str());
2669 AUPluginInfo::load_cached_info ()
2671 Glib::ustring path = au_cache_path ();
2674 if (!Glib::file_test (path, Glib::FILE_TEST_EXISTS)) {
2678 if ( !tree.read (path) ) {
2679 error << "au_cache is not a valid XML file. AU plugins will be re-scanned" << endmsg;
2683 const XMLNode* root (tree.root());
2685 if (root->name() != X_("AudioUnitPluginCache")) {
2689 //initial version has incorrectly stored i/o info, and/or garbage chars.
2690 const XMLProperty* version = root->property(X_("version"));
2691 if (! ((version != NULL) && (version->value() == X_(AU_CACHE_VERSION)))) {
2692 error << "au_cache is not correct version. AU plugins will be re-scanned" << endmsg;
2696 cached_info.clear ();
2698 const XMLNodeList children = root->children();
2700 for (XMLNodeConstIterator iter = children.begin(); iter != children.end(); ++iter) {
2702 const XMLNode* child = *iter;
2704 if (child->name() == X_("plugin")) {
2706 const XMLNode* gchild;
2707 const XMLNodeList gchildren = child->children();
2708 const XMLProperty* prop = child->property (X_("id"));
2714 string id = prop->value();
2718 string::size_type slash = id.find_last_of ('/');
2720 if (slash == string::npos) {
2724 version = id.substr (slash);
2725 id = id.substr (0, slash);
2726 fixed = AUPlugin::maybe_fix_broken_au_id (id);
2728 if (fixed.empty()) {
2729 error << string_compose (_("Your AudioUnit configuration cache contains an AU plugin whose ID cannot be understood - ignored (%1)"), id) << endmsg;
2736 AUPluginCachedInfo cinfo;
2738 for (XMLNodeConstIterator giter = gchildren.begin(); giter != gchildren.end(); giter++) {
2742 if (gchild->name() == X_("io")) {
2746 const XMLProperty* iprop;
2747 const XMLProperty* oprop;
2749 if (((iprop = gchild->property (X_("in"))) != 0) &&
2750 ((oprop = gchild->property (X_("out"))) != 0)) {
2751 in = atoi (iprop->value());
2752 out = atoi (oprop->value());
2754 cinfo.io_configs.push_back (pair<int,int> (in, out));
2759 if (cinfo.io_configs.size()) {
2760 add_cached_info (id, cinfo);
2769 AUPluginInfo::get_names (CAComponentDescription& comp_desc, std::string& name, std::string& maker)
2771 CFStringRef itemName = NULL;
2773 // Marc Poirier-style item name
2774 CAComponent auComponent (comp_desc);
2775 if (auComponent.IsValid()) {
2776 CAComponentDescription dummydesc;
2777 Handle nameHandle = NewHandle(sizeof(void*));
2778 if (nameHandle != NULL) {
2779 OSErr err = GetComponentInfo(auComponent.Comp(), &dummydesc, nameHandle, NULL, NULL);
2781 ConstStr255Param nameString = (ConstStr255Param) (*nameHandle);
2782 if (nameString != NULL) {
2783 itemName = CFStringCreateWithPascalString(kCFAllocatorDefault, nameString, CFStringGetSystemEncoding());
2786 DisposeHandle(nameHandle);
2790 // if Marc-style fails, do the original way
2791 if (itemName == NULL) {
2792 CFStringRef compTypeString = UTCreateStringForOSType(comp_desc.componentType);
2793 CFStringRef compSubTypeString = UTCreateStringForOSType(comp_desc.componentSubType);
2794 CFStringRef compManufacturerString = UTCreateStringForOSType(comp_desc.componentManufacturer);
2796 itemName = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("%@ - %@ - %@"),
2797 compTypeString, compManufacturerString, compSubTypeString);
2799 if (compTypeString != NULL)
2800 CFRelease(compTypeString);
2801 if (compSubTypeString != NULL)
2802 CFRelease(compSubTypeString);
2803 if (compManufacturerString != NULL)
2804 CFRelease(compManufacturerString);
2807 string str = CFStringRefToStdString(itemName);
2808 string::size_type colon = str.find (':');
2811 name = str.substr (colon+1);
2812 maker = str.substr (0, colon);
2813 strip_whitespace_edges (maker);
2814 strip_whitespace_edges (name);
2818 strip_whitespace_edges (name);
2823 AUPluginInfo::stringify_descriptor (const CAComponentDescription& desc)
2827 /* note: OSType is a compiler-implemenation-defined value,
2828 historically a 32 bit integer created with a multi-character
2829 constant such as 'abcd'. It is, fundamentally, an abomination.
2834 s << desc.SubType();
2842 AUPluginInfo::needs_midi_input ()
2844 return is_effect_with_midi_input () || is_instrument ();
2848 AUPluginInfo::is_effect () const
2850 return is_effect_without_midi_input() || is_effect_with_midi_input();
2854 AUPluginInfo::is_effect_without_midi_input () const
2856 return descriptor->IsAUFX();
2860 AUPluginInfo::is_effect_with_midi_input () const
2862 return descriptor->IsAUFM();
2866 AUPluginInfo::is_instrument () const
2868 return descriptor->IsMusicDevice();
2872 AUPlugin::set_info (PluginInfoPtr info)
2874 Plugin::set_info (info);
2876 AUPluginInfoPtr pinfo = boost::dynamic_pointer_cast<AUPluginInfo>(get_info());
2877 _has_midi_input = pinfo->needs_midi_input ();
2878 _has_midi_output = false;
2882 AUPlugin::create_parameter_listener (AUEventListenerProc cb, void* arg, float interval_secs)
2885 CFRunLoopRef run_loop = (CFRunLoopRef) GetCFRunLoopFromEventLoop(GetCurrentEventLoop());
2887 CFRunLoopRef run_loop = CFRunLoopGetCurrent();
2889 CFStringRef loop_mode = kCFRunLoopDefaultMode;
2891 if (AUEventListenerCreate (cb, arg, run_loop, loop_mode, interval_secs, interval_secs, &_parameter_listener) != noErr) {
2895 _parameter_listener_arg = arg;
2901 AUPlugin::listen_to_parameter (uint32_t param_id)
2903 AudioUnitEvent event;
2905 if (!_parameter_listener || param_id >= descriptors.size()) {
2909 event.mEventType = kAudioUnitEvent_ParameterValueChange;
2910 event.mArgument.mParameter.mAudioUnit = unit->AU();
2911 event.mArgument.mParameter.mParameterID = descriptors[param_id].id;
2912 event.mArgument.mParameter.mScope = descriptors[param_id].scope;
2913 event.mArgument.mParameter.mElement = descriptors[param_id].element;
2915 if (AUEventListenerAddEventType (_parameter_listener, _parameter_listener_arg, &event) != noErr) {
2919 event.mEventType = kAudioUnitEvent_BeginParameterChangeGesture;
2920 event.mArgument.mParameter.mAudioUnit = unit->AU();
2921 event.mArgument.mParameter.mParameterID = descriptors[param_id].id;
2922 event.mArgument.mParameter.mScope = descriptors[param_id].scope;
2923 event.mArgument.mParameter.mElement = descriptors[param_id].element;
2925 if (AUEventListenerAddEventType (_parameter_listener, _parameter_listener_arg, &event) != noErr) {
2929 event.mEventType = kAudioUnitEvent_EndParameterChangeGesture;
2930 event.mArgument.mParameter.mAudioUnit = unit->AU();
2931 event.mArgument.mParameter.mParameterID = descriptors[param_id].id;
2932 event.mArgument.mParameter.mScope = descriptors[param_id].scope;
2933 event.mArgument.mParameter.mElement = descriptors[param_id].element;
2935 if (AUEventListenerAddEventType (_parameter_listener, _parameter_listener_arg, &event) != noErr) {
2943 AUPlugin::end_listen_to_parameter (uint32_t param_id)
2945 AudioUnitEvent event;
2947 if (!_parameter_listener || param_id >= descriptors.size()) {
2951 event.mEventType = kAudioUnitEvent_ParameterValueChange;
2952 event.mArgument.mParameter.mAudioUnit = unit->AU();
2953 event.mArgument.mParameter.mParameterID = descriptors[param_id].id;
2954 event.mArgument.mParameter.mScope = descriptors[param_id].scope;
2955 event.mArgument.mParameter.mElement = descriptors[param_id].element;
2957 if (AUEventListenerRemoveEventType (_parameter_listener, _parameter_listener_arg, &event) != noErr) {
2961 event.mEventType = kAudioUnitEvent_BeginParameterChangeGesture;
2962 event.mArgument.mParameter.mAudioUnit = unit->AU();
2963 event.mArgument.mParameter.mParameterID = descriptors[param_id].id;
2964 event.mArgument.mParameter.mScope = descriptors[param_id].scope;
2965 event.mArgument.mParameter.mElement = descriptors[param_id].element;
2967 if (AUEventListenerRemoveEventType (_parameter_listener, _parameter_listener_arg, &event) != noErr) {
2971 event.mEventType = kAudioUnitEvent_EndParameterChangeGesture;
2972 event.mArgument.mParameter.mAudioUnit = unit->AU();
2973 event.mArgument.mParameter.mParameterID = descriptors[param_id].id;
2974 event.mArgument.mParameter.mScope = descriptors[param_id].scope;
2975 event.mArgument.mParameter.mElement = descriptors[param_id].element;
2977 if (AUEventListenerRemoveEventType (_parameter_listener, _parameter_listener_arg, &event) != noErr) {
2985 AUPlugin::_parameter_change_listener (void* arg, void* src, const AudioUnitEvent* event, UInt64 host_time, Float32 new_value)
2987 ((AUPlugin*) arg)->parameter_change_listener (arg, src, event, host_time, new_value);
2991 AUPlugin::parameter_change_listener (void* /*arg*/, void* /*src*/, const AudioUnitEvent* event, UInt64 /*host_time*/, Float32 new_value)
2993 ParameterMap::iterator i;
2995 if ((i = parameter_map.find (event->mArgument.mParameter.mParameterID)) == parameter_map.end()) {
2999 switch (event->mEventType) {
3000 case kAudioUnitEvent_BeginParameterChangeGesture:
3001 StartTouch (i->second);
3003 case kAudioUnitEvent_EndParameterChangeGesture:
3004 EndTouch (i->second);
3006 case kAudioUnitEvent_ParameterValueChange:
3007 ParameterChanged (i->second, new_value);