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/gstdio_compat.h"
29 #include "pbd/transmitter.h"
30 #include "pbd/xml++.h"
31 #include "pbd/convert.h"
32 #include "pbd/whitespace.h"
33 #include "pbd/file_utils.h"
34 #include "pbd/locale_guard.h"
36 #include <glibmm/threads.h>
37 #include <glibmm/fileutils.h>
38 #include <glibmm/miscutils.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 "CAAudioUnit.h"
54 #include "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>
65 #define ArdourComponent Component
66 #define ArdourDescription ComponentDescription
67 #define ArdourFindNext FindNextComponent
69 #define ArdourComponent AudioComponent
70 #define ArdourDescription AudioComponentDescription
71 #define ArdourFindNext AudioComponentFindNext
78 using namespace ARDOUR;
80 AUPluginInfo::CachedInfoMap AUPluginInfo::cached_info;
82 static string preset_search_path = "/Library/Audio/Presets:/Network/Library/Audio/Presets";
83 static string preset_suffix = ".aupreset";
84 static bool preset_search_path_initialized = false;
85 FILE * AUPluginInfo::_crashlog_fd = NULL;
86 bool AUPluginInfo::_scan_only = true;
89 static void au_blacklist (std::string id)
91 string fn = Glib::build_filename (ARDOUR::user_cache_directory(), "au_blacklist.txt");
92 FILE * blacklist_fd = NULL;
93 if (! (blacklist_fd = fopen(fn.c_str(), "a"))) {
94 PBD::error << "Cannot append to AU blacklist for '"<< id <<"'\n";
97 assert(id.find("\n") == string::npos);
98 fprintf(blacklist_fd, "%s\n", id.c_str());
99 ::fclose(blacklist_fd);
102 static void au_unblacklist (std::string id)
104 string fn = Glib::build_filename (ARDOUR::user_cache_directory(), "au_blacklist.txt");
105 if (!Glib::file_test (fn, Glib::FILE_TEST_EXISTS)) {
106 PBD::warning << "Expected Blacklist file does not exist.\n";
112 std::ifstream ifs(fn.c_str());
113 bl.assign ((std::istreambuf_iterator<char>(ifs)), (std::istreambuf_iterator<char>()));
116 ::g_unlink (fn.c_str());
118 assert (!Glib::file_test (fn, Glib::FILE_TEST_EXISTS));
119 assert(id.find("\n") == string::npos);
121 id += "\n"; // add separator
122 const size_t rpl = bl.find(id);
123 if (rpl != string::npos) {
124 bl.replace(rpl, id.size(), "");
130 FILE * blacklist_fd = NULL;
131 if (! (blacklist_fd = fopen(fn.c_str(), "w"))) {
132 PBD::error << "Cannot open AU blacklist.\n";
135 fprintf(blacklist_fd, "%s", bl.c_str());
136 ::fclose(blacklist_fd);
139 static bool is_blacklisted (std::string id)
141 string fn = Glib::build_filename (ARDOUR::user_cache_directory(), "au_blacklist.txt");
142 if (!Glib::file_test (fn, Glib::FILE_TEST_EXISTS)) {
146 std::ifstream ifs(fn.c_str());
147 bl.assign ((std::istreambuf_iterator<char>(ifs)), (std::istreambuf_iterator<char>()));
149 assert(id.find("\n") == string::npos);
151 id += "\n"; // add separator
152 const size_t rpl = bl.find(id);
153 if (rpl != string::npos) {
162 _render_callback(void *userData,
163 AudioUnitRenderActionFlags *ioActionFlags,
164 const AudioTimeStamp *inTimeStamp,
166 UInt32 inNumberFrames,
167 AudioBufferList* ioData)
170 return ((AUPlugin*)userData)->render_callback (ioActionFlags, inTimeStamp, inBusNumber, inNumberFrames, ioData);
176 _get_beat_and_tempo_callback (void* userData,
177 Float64* outCurrentBeat,
178 Float64* outCurrentTempo)
181 return ((AUPlugin*)userData)->get_beat_and_tempo_callback (outCurrentBeat, outCurrentTempo);
188 _get_musical_time_location_callback (void * userData,
189 UInt32 * outDeltaSampleOffsetToNextBeat,
190 Float32 * outTimeSig_Numerator,
191 UInt32 * outTimeSig_Denominator,
192 Float64 * outCurrentMeasureDownBeat)
195 return ((AUPlugin*)userData)->get_musical_time_location_callback (outDeltaSampleOffsetToNextBeat,
196 outTimeSig_Numerator,
197 outTimeSig_Denominator,
198 outCurrentMeasureDownBeat);
204 _get_transport_state_callback (void* userData,
205 Boolean* outIsPlaying,
206 Boolean* outTransportStateChanged,
207 Float64* outCurrentSampleInTimeLine,
208 Boolean* outIsCycling,
209 Float64* outCycleStartBeat,
210 Float64* outCycleEndBeat)
213 return ((AUPlugin*)userData)->get_transport_state_callback (
214 outIsPlaying, outTransportStateChanged,
215 outCurrentSampleInTimeLine, outIsCycling,
216 outCycleStartBeat, outCycleEndBeat);
223 save_property_list (CFPropertyListRef propertyList, Glib::ustring path)
229 // Convert the property list into XML data.
231 xmlData = CFPropertyListCreateXMLData( kCFAllocatorDefault, propertyList);
234 error << _("Could not create XML version of property list") << endmsg;
238 // Write the XML data to the file.
240 fd = open (path.c_str(), O_WRONLY|O_CREAT|O_EXCL, 0664);
242 if (errno == EEXIST) {
243 error << string_compose (_("Preset file %1 exists; not overwriting"),
246 error << string_compose (_("Cannot open preset file %1 (%2)"),
247 path, strerror (errno)) << endmsg;
253 size_t cnt = CFDataGetLength (xmlData);
255 if (write (fd, CFDataGetBytePtr (xmlData), cnt) != (ssize_t) cnt) {
266 static CFPropertyListRef
267 load_property_list (Glib::ustring path)
270 CFPropertyListRef propertyList = 0;
272 CFStringRef errorString;
274 // Read the XML file.
276 if ((fd = open (path.c_str(), O_RDONLY)) < 0) {
281 off_t len = lseek (fd, 0, SEEK_END);
282 char* buf = new char[len];
283 lseek (fd, 0, SEEK_SET);
285 if (read (fd, buf, len) != len) {
293 xmlData = CFDataCreateWithBytesNoCopy (kCFAllocatorDefault, (UInt8*) buf, len, kCFAllocatorNull);
295 // Reconstitute the dictionary using the XML data.
297 propertyList = CFPropertyListCreateFromXMLData( kCFAllocatorDefault,
299 kCFPropertyListImmutable,
308 //-----------------------------------------------------------------------------
310 set_preset_name_in_plist (CFPropertyListRef plist, string preset_name)
315 CFStringRef pn = CFStringCreateWithCString (kCFAllocatorDefault, preset_name.c_str(), kCFStringEncodingUTF8);
317 if (CFGetTypeID (plist) == CFDictionaryGetTypeID()) {
318 CFDictionarySetValue ((CFMutableDictionaryRef)plist, CFSTR(kAUPresetNameKey), pn);
324 //-----------------------------------------------------------------------------
326 get_preset_name_in_plist (CFPropertyListRef plist)
334 if (CFGetTypeID (plist) == CFDictionaryGetTypeID()) {
335 const void *p = CFDictionaryGetValue ((CFMutableDictionaryRef)plist, CFSTR(kAUPresetNameKey));
337 CFStringRef str = (CFStringRef) p;
338 int len = CFStringGetLength(str);
340 char local_buffer[len];
341 if (CFStringGetCString (str, local_buffer, len, kCFStringEncodingUTF8)) {
349 //--------------------------------------------------------------------------
350 // general implementation for ComponentDescriptionsMatch() and ComponentDescriptionsMatch_Loosely()
351 // if inIgnoreType is true, then the type code is ignored in the ComponentDescriptions
352 Boolean ComponentDescriptionsMatch_General(const ArdourDescription * inComponentDescription1, const ArdourDescription * inComponentDescription2, Boolean inIgnoreType);
353 Boolean ComponentDescriptionsMatch_General(const ArdourDescription * inComponentDescription1, const ArdourDescription * inComponentDescription2, Boolean inIgnoreType)
355 if ( (inComponentDescription1 == NULL) || (inComponentDescription2 == NULL) )
358 if ( (inComponentDescription1->componentSubType == inComponentDescription2->componentSubType)
359 && (inComponentDescription1->componentManufacturer == inComponentDescription2->componentManufacturer) )
361 // only sub-type and manufacturer IDs need to be equal
364 // type, sub-type, and manufacturer IDs all need to be equal in order to call this a match
365 else if (inComponentDescription1->componentType == inComponentDescription2->componentType)
372 //--------------------------------------------------------------------------
373 // general implementation for ComponentAndDescriptionMatch() and ComponentAndDescriptionMatch_Loosely()
374 // if inIgnoreType is true, then the type code is ignored in the ComponentDescriptions
375 Boolean ComponentAndDescriptionMatch_General(ArdourComponent inComponent, const ArdourDescription * inComponentDescription, Boolean inIgnoreType);
376 Boolean ComponentAndDescriptionMatch_General(ArdourComponent inComponent, const ArdourDescription * inComponentDescription, Boolean inIgnoreType)
379 ArdourDescription desc;
381 if ( (inComponent == NULL) || (inComponentDescription == NULL) )
384 // get the ComponentDescription of the input Component
386 status = GetComponentInfo(inComponent, &desc, NULL, NULL, NULL);
388 status = AudioComponentGetDescription (inComponent, &desc);
393 // check if the Component's ComponentDescription matches the input ComponentDescription
394 return ComponentDescriptionsMatch_General(&desc, inComponentDescription, inIgnoreType);
397 //--------------------------------------------------------------------------
398 // determine if 2 ComponentDescriptions are basically equal
399 // (by that, I mean that the important identifying values are compared,
400 // but not the ComponentDescription flags)
401 Boolean ComponentDescriptionsMatch(const ArdourDescription * inComponentDescription1, const ArdourDescription * inComponentDescription2)
403 return ComponentDescriptionsMatch_General(inComponentDescription1, inComponentDescription2, FALSE);
406 //--------------------------------------------------------------------------
407 // determine if 2 ComponentDescriptions have matching sub-type and manufacturer codes
408 Boolean ComponentDescriptionsMatch_Loose(const ArdourDescription * inComponentDescription1, const ArdourDescription * inComponentDescription2)
410 return ComponentDescriptionsMatch_General(inComponentDescription1, inComponentDescription2, TRUE);
413 //--------------------------------------------------------------------------
414 // determine if a ComponentDescription basically matches that of a particular Component
415 Boolean ComponentAndDescriptionMatch(ArdourComponent inComponent, const ArdourDescription * inComponentDescription)
417 return ComponentAndDescriptionMatch_General(inComponent, inComponentDescription, FALSE);
420 //--------------------------------------------------------------------------
421 // determine if a ComponentDescription matches only the sub-type and manufacturer codes of a particular Component
422 Boolean ComponentAndDescriptionMatch_Loosely(ArdourComponent inComponent, const ArdourDescription * inComponentDescription)
424 return ComponentAndDescriptionMatch_General(inComponent, inComponentDescription, TRUE);
428 AUPlugin::AUPlugin (AudioEngine& engine, Session& session, boost::shared_ptr<CAComponent> _comp)
429 : Plugin (engine, session)
431 , unit (new CAAudioUnit)
432 , initialized (false)
433 , _current_block_size (0)
434 , _requires_fixed_size_buffers (false)
436 , variable_inputs (false)
437 , variable_outputs (false)
438 , configured_input_busses (0)
439 , configured_output_busses (0)
447 , frames_processed (0)
448 , audio_input_cnt (0)
449 , _parameter_listener (0)
450 , _parameter_listener_arg (0)
451 , last_transport_rolling (false)
452 , last_transport_speed (0.0)
454 if (!preset_search_path_initialized) {
455 Glib::ustring p = Glib::get_home_dir();
456 p += "/Library/Audio/Presets:";
457 p += preset_search_path;
458 preset_search_path = p;
459 preset_search_path_initialized = true;
460 DEBUG_TRACE (DEBUG::AudioUnits, string_compose("AU Preset Path: %1\n", preset_search_path));
467 AUPlugin::AUPlugin (const AUPlugin& other)
469 , comp (other.get_comp())
470 , unit (new CAAudioUnit)
471 , initialized (false)
472 , _current_block_size (0)
474 , _requires_fixed_size_buffers (false)
476 , variable_inputs (false)
477 , variable_outputs (false)
478 , configured_input_busses (0)
479 , configured_output_busses (0)
486 , frames_processed (0)
487 , _parameter_listener (0)
488 , _parameter_listener_arg (0)
492 for (size_t i = 0; i < descriptors.size(); ++i) {
493 set_parameter (i, other.get_parameter (i));
497 AUPlugin::~AUPlugin ()
499 if (_parameter_listener) {
500 AUListenerDispose (_parameter_listener);
501 _parameter_listener = 0;
505 DEBUG_TRACE (DEBUG::AudioUnits, "about to call uninitialize in plugin destructor\n");
506 unit->Uninitialize ();
516 AUPlugin::discover_factory_presets ()
523 if ((err = unit->GetPropertyInfo (kAudioUnitProperty_FactoryPresets, kAudioUnitScope_Global, 0, &dataSize, &isWritable)) != 0) {
524 DEBUG_TRACE (DEBUG::AudioUnits, "no factory presets for AU\n");
528 assert (dataSize == sizeof (presets));
530 if ((err = unit->GetProperty (kAudioUnitProperty_FactoryPresets, kAudioUnitScope_Global, 0, (void*) &presets, &dataSize)) != 0) {
531 error << string_compose (_("cannot get factory preset info: errcode %1"), err) << endmsg;
539 CFIndex cnt = CFArrayGetCount (presets);
541 for (CFIndex i = 0; i < cnt; ++i) {
542 AUPreset* preset = (AUPreset*) CFArrayGetValueAtIndex (presets, i);
544 string name = CFStringRefToStdString (preset->presetName);
545 factory_preset_map[name] = preset->presetNumber;
546 DEBUG_TRACE (DEBUG::AudioUnits, string_compose("AU Factory Preset: %1 > %2\n", name, preset->presetNumber));
556 CFStringRef itemName;
558 /* these keep track of *configured* channel set up,
559 not potential set ups.
563 output_channels = -1;
565 CAComponentDescription temp;
567 GetComponentInfo (comp.get()->Comp(), &temp, NULL, NULL, NULL);
569 AudioComponentGetDescription (comp.get()->Comp(), &temp);
571 CFStringRef compTypeString = UTCreateStringForOSType(temp.componentType);
572 CFStringRef compSubTypeString = UTCreateStringForOSType(temp.componentSubType);
573 CFStringRef compManufacturerString = UTCreateStringForOSType(temp.componentManufacturer);
574 itemName = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("%@ - %@ - %@"),
575 compTypeString, compManufacturerString, compSubTypeString);
576 if (compTypeString != NULL) CFRelease(compTypeString);
577 if (compSubTypeString != NULL) CFRelease(compSubTypeString);
578 if (compManufacturerString != NULL) CFRelease(compManufacturerString);
581 au_blacklist(CFStringRefToStdString(itemName));
584 DEBUG_TRACE (DEBUG::AudioUnits, "opening AudioUnit\n");
585 err = CAAudioUnit::Open (*(comp.get()), *unit);
587 error << _("Exception thrown during AudioUnit plugin loading - plugin ignored") << endmsg;
588 throw failed_constructor();
592 error << _("AudioUnit: Could not convert CAComponent to CAAudioUnit") << endmsg;
593 throw failed_constructor ();
596 DEBUG_TRACE (DEBUG::AudioUnits, "count global elements\n");
597 unit->GetElementCount (kAudioUnitScope_Global, global_elements);
598 DEBUG_TRACE (DEBUG::AudioUnits, "count input elements\n");
599 unit->GetElementCount (kAudioUnitScope_Input, input_elements);
600 DEBUG_TRACE (DEBUG::AudioUnits, "count output elements\n");
601 unit->GetElementCount (kAudioUnitScope_Output, output_elements);
603 cb_offsets = (framecnt_t*) calloc (input_elements, sizeof(uint32_t));
604 bus_inputs = (uint32_t*) calloc (input_elements, sizeof(uint32_t));
605 bus_outputs = (uint32_t*) calloc (output_elements, sizeof(uint32_t));
607 for (size_t i = 0; i < output_elements; ++i) {
608 AudioUnitReset (unit->AU(), kAudioUnitScope_Output, i);
609 AudioStreamBasicDescription fmt;
610 UInt32 sz = sizeof(AudioStreamBasicDescription);
611 err = AudioUnitGetProperty(unit->AU(), kAudioUnitProperty_StreamFormat, kAudioUnitScope_Output, i, &fmt, &sz);
613 bus_outputs[i] = fmt.mChannelsPerFrame;
616 sz = sizeof (CFStringRef);
617 if (AudioUnitGetProperty (unit->AU(), kAudioUnitProperty_ElementName, kAudioUnitScope_Output,
618 i, &name, &sz) == noErr
620 _bus_name_out.push_back (CFStringRefToStdString (name));
623 _bus_name_out.push_back (string_compose ("Audio-Bus %1", i));
627 for (size_t i = 0; i < input_elements; ++i) {
628 AudioUnitReset (unit->AU(), kAudioUnitScope_Input, i);
629 AudioStreamBasicDescription fmt;
630 UInt32 sz = sizeof(AudioStreamBasicDescription);
631 err = AudioUnitGetProperty(unit->AU(), kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input, i, &fmt, &sz);
633 bus_inputs[i] = fmt.mChannelsPerFrame;
636 sz = sizeof (CFStringRef);
637 if (AudioUnitGetProperty (unit->AU(), kAudioUnitProperty_ElementName, kAudioUnitScope_Input,
638 i, &name, &sz) == noErr
640 _bus_name_in.push_back (CFStringRefToStdString (name));
643 _bus_name_in.push_back (string_compose ("Audio-Bus %1", i));
647 for (size_t i = 0; i < input_elements; ++i) {
648 /* setup render callback: the plugin calls this to get input data */
649 AURenderCallbackStruct renderCallbackInfo;
650 renderCallbackInfo.inputProc = _render_callback;
651 renderCallbackInfo.inputProcRefCon = this;
652 DEBUG_TRACE (DEBUG::AudioUnits, "set render callback in input scope\n");
653 if ((err = unit->SetProperty (kAudioUnitProperty_SetRenderCallback, kAudioUnitScope_Input,
654 i, (void*) &renderCallbackInfo, sizeof(renderCallbackInfo))) != 0) {
655 error << string_compose (_("cannot install render callback (err = %1)"), err) << endmsg;
656 throw failed_constructor();
660 /* tell the plugin about tempo/meter/transport callbacks in case it wants them */
662 HostCallbackInfo info;
663 memset (&info, 0, sizeof (HostCallbackInfo));
664 info.hostUserData = this;
665 info.beatAndTempoProc = _get_beat_and_tempo_callback;
666 info.musicalTimeLocationProc = _get_musical_time_location_callback;
667 info.transportStateProc = _get_transport_state_callback;
669 //ignore result of this - don't care if the property isn't supported
670 DEBUG_TRACE (DEBUG::AudioUnits, "set host callbacks in global scope\n");
671 unit->SetProperty (kAudioUnitProperty_HostCallbacks,
672 kAudioUnitScope_Global,
675 sizeof (HostCallbackInfo));
677 if (set_block_size (_session.get_block_size())) {
678 error << _("AUPlugin: cannot set processing block size") << endmsg;
679 throw failed_constructor();
682 create_parameter_listener (AUPlugin::_parameter_change_listener, this, 0.05);
683 discover_parameters ();
684 discover_factory_presets ();
686 // Plugin::setup_controls ();
688 au_unblacklist(CFStringRefToStdString(itemName));
689 if (itemName != NULL) CFRelease(itemName);
693 AUPlugin::discover_parameters ()
695 /* discover writable parameters */
697 AudioUnitScope scopes[] = {
698 kAudioUnitScope_Global,
699 kAudioUnitScope_Output,
700 kAudioUnitScope_Input
703 descriptors.clear ();
705 for (uint32_t i = 0; i < sizeof (scopes) / sizeof (scopes[0]); ++i) {
707 AUParamInfo param_info (unit->AU(), false, /* include read only */ true, scopes[i]);
709 for (uint32_t i = 0; i < param_info.NumParams(); ++i) {
711 AUParameterDescriptor d;
713 d.id = param_info.ParamID (i);
715 const CAAUParameter* param = param_info.GetParamInfo (d.id);
716 const AudioUnitParameterInfo& info (param->ParamInfo());
718 const int len = CFStringGetLength (param->GetName());
719 char local_buffer[len*2];
720 Boolean good = CFStringGetCString (param->GetName(), local_buffer ,len*2 , kCFStringEncodingUTF8);
724 d.label = local_buffer;
727 d.scope = param_info.GetScope ();
728 d.element = param_info.GetElement ();
730 /* info.units to consider */
732 kAudioUnitParameterUnit_Generic = 0
733 kAudioUnitParameterUnit_Indexed = 1
734 kAudioUnitParameterUnit_Boolean = 2
735 kAudioUnitParameterUnit_Percent = 3
736 kAudioUnitParameterUnit_Seconds = 4
737 kAudioUnitParameterUnit_SampleFrames = 5
738 kAudioUnitParameterUnit_Phase = 6
739 kAudioUnitParameterUnit_Rate = 7
740 kAudioUnitParameterUnit_Hertz = 8
741 kAudioUnitParameterUnit_Cents = 9
742 kAudioUnitParameterUnit_RelativeSemiTones = 10
743 kAudioUnitParameterUnit_MIDINoteNumber = 11
744 kAudioUnitParameterUnit_MIDIController = 12
745 kAudioUnitParameterUnit_Decibels = 13
746 kAudioUnitParameterUnit_LinearGain = 14
747 kAudioUnitParameterUnit_Degrees = 15
748 kAudioUnitParameterUnit_EqualPowerCrossfade = 16
749 kAudioUnitParameterUnit_MixerFaderCurve1 = 17
750 kAudioUnitParameterUnit_Pan = 18
751 kAudioUnitParameterUnit_Meters = 19
752 kAudioUnitParameterUnit_AbsoluteCents = 20
753 kAudioUnitParameterUnit_Octaves = 21
754 kAudioUnitParameterUnit_BPM = 22
755 kAudioUnitParameterUnit_Beats = 23
756 kAudioUnitParameterUnit_Milliseconds = 24
757 kAudioUnitParameterUnit_Ratio = 25
760 /* info.flags to consider */
764 kAudioUnitParameterFlag_CFNameRelease = (1L << 4)
765 kAudioUnitParameterFlag_HasClump = (1L << 20)
766 kAudioUnitParameterFlag_HasName = (1L << 21)
767 kAudioUnitParameterFlag_DisplayLogarithmic = (1L << 22)
768 kAudioUnitParameterFlag_IsHighResolution = (1L << 23)
769 kAudioUnitParameterFlag_NonRealTime = (1L << 24)
770 kAudioUnitParameterFlag_CanRamp = (1L << 25)
771 kAudioUnitParameterFlag_ExpertMode = (1L << 26)
772 kAudioUnitParameterFlag_HasCFNameString = (1L << 27)
773 kAudioUnitParameterFlag_IsGlobalMeta = (1L << 28)
774 kAudioUnitParameterFlag_IsElementMeta = (1L << 29)
775 kAudioUnitParameterFlag_IsReadable = (1L << 30)
776 kAudioUnitParameterFlag_IsWritable = (1L << 31)
779 d.lower = info.minValue;
780 d.upper = info.maxValue;
781 d.normal = info.defaultValue;
783 d.integer_step = (info.unit == kAudioUnitParameterUnit_Indexed);
784 d.toggled = (info.unit == kAudioUnitParameterUnit_Boolean) ||
785 (d.integer_step && ((d.upper - d.lower) == 1.0));
786 d.sr_dependent = (info.unit == kAudioUnitParameterUnit_SampleFrames);
787 d.automatable = /* !d.toggled && -- ardour can automate toggles, can AU ? */
788 !(info.flags & kAudioUnitParameterFlag_NonRealTime) &&
789 (info.flags & kAudioUnitParameterFlag_IsWritable);
791 d.logarithmic = (info.flags & kAudioUnitParameterFlag_DisplayLogarithmic);
792 d.au_unit = info.unit;
794 case kAudioUnitParameterUnit_Decibels:
795 d.unit = ParameterDescriptor::DB;
797 case kAudioUnitParameterUnit_MIDINoteNumber:
798 d.unit = ParameterDescriptor::MIDI_NOTE;
800 case kAudioUnitParameterUnit_Hertz:
801 d.unit = ParameterDescriptor::HZ;
805 d.min_unbound = 0; // lower is bound
806 d.max_unbound = 0; // upper is bound
809 descriptors.push_back (d);
811 uint32_t last_param = descriptors.size() - 1;
812 parameter_map.insert (pair<uint32_t,uint32_t> (d.id, last_param));
813 listen_to_parameter (last_param);
820 four_ints_to_four_byte_literal (unsigned char n[4])
822 /* this is actually implementation dependent. sigh. this is what gcc
823 and quite a few others do.
825 return ((n[0] << 24) + (n[1] << 16) + (n[2] << 8) + n[3]);
829 AUPlugin::maybe_fix_broken_au_id (const std::string& id)
831 if (isdigit (id[0])) {
835 /* ID format is xxxx-xxxx-xxxx
836 where x maybe \xNN or a printable character.
838 Split at the '-' and and process each part into an integer.
839 Then put it back together.
843 unsigned char nascent[4];
844 const char* cstr = id.c_str();
845 const char* estr = cstr + id.size();
856 while (*cstr && next_int < 4) {
860 if (estr - cstr < 3) {
862 /* too close to the end for \xNN parsing: treat as literal characters */
870 if (cstr[1] == 'x' && isxdigit (cstr[2]) && isxdigit (cstr[3])) {
874 memcpy (short_buf, &cstr[2], 2);
875 nascent[in] = strtol (short_buf, NULL, 16);
881 /* treat as literal characters */
895 if (in && (in % 4 == 0)) {
896 /* nascent is ready */
897 n[next_int] = four_ints_to_four_byte_literal (nascent);
901 /* swallow space-hyphen-space */
915 s << n[0] << '-' << n[1] << '-' << n[2];
924 AUPlugin::unique_id () const
926 return AUPluginInfo::stringify_descriptor (comp->Desc());
930 AUPlugin::label () const
932 return _info->name.c_str();
936 AUPlugin::parameter_count () const
938 return descriptors.size();
942 AUPlugin::default_value (uint32_t port)
944 if (port < descriptors.size()) {
945 return descriptors[port].normal;
952 AUPlugin::signal_latency () const
954 return unit->Latency() * _session.frame_rate();
958 AUPlugin::set_parameter (uint32_t which, float val)
960 if (which >= descriptors.size()) {
964 if (get_parameter(which) == val) {
968 const AUParameterDescriptor& d (descriptors[which]);
969 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("set parameter %1 in scope %2 element %3 to %4\n", d.id, d.scope, d.element, val));
970 unit->SetParameter (d.id, d.scope, d.element, val);
972 /* tell the world what we did */
974 AudioUnitEvent theEvent;
976 theEvent.mEventType = kAudioUnitEvent_ParameterValueChange;
977 theEvent.mArgument.mParameter.mAudioUnit = unit->AU();
978 theEvent.mArgument.mParameter.mParameterID = d.id;
979 theEvent.mArgument.mParameter.mScope = d.scope;
980 theEvent.mArgument.mParameter.mElement = d.element;
982 DEBUG_TRACE (DEBUG::AudioUnits, "notify about parameter change\n");
983 /* Note the 1st argument, which means "Don't notify us about a change we made ourselves" */
984 AUEventListenerNotify (_parameter_listener, NULL, &theEvent);
986 Plugin::set_parameter (which, val);
990 AUPlugin::get_parameter (uint32_t which) const
993 if (which < descriptors.size()) {
994 const AUParameterDescriptor& d (descriptors[which]);
995 // DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("get value of parameter %1 in scope %2 element %3\n", d.id, d.scope, d.element));
996 unit->GetParameter(d.id, d.scope, d.element, val);
1002 AUPlugin::get_parameter_descriptor (uint32_t which, ParameterDescriptor& pd) const
1004 if (which < descriptors.size()) {
1005 pd = descriptors[which];
1012 AUPlugin::nth_parameter (uint32_t which, bool& ok) const
1014 if (which < descriptors.size()) {
1023 AUPlugin::activate ()
1027 DEBUG_TRACE (DEBUG::AudioUnits, "call Initialize in activate()\n");
1028 if ((err = unit->Initialize()) != noErr) {
1029 error << string_compose (_("AUPlugin: %1 cannot initialize plugin (err = %2)"), name(), err) << endmsg;
1031 frames_processed = 0;
1038 AUPlugin::deactivate ()
1040 DEBUG_TRACE (DEBUG::AudioUnits, "call Uninitialize in deactivate()\n");
1041 unit->Uninitialize ();
1042 initialized = false;
1048 DEBUG_TRACE (DEBUG::AudioUnits, "call Reset in flush()\n");
1049 unit->GlobalReset ();
1053 AUPlugin::requires_fixed_size_buffers() const
1055 return _requires_fixed_size_buffers;
1060 AUPlugin::set_block_size (pframes_t nframes)
1062 bool was_initialized = initialized;
1063 UInt32 numFrames = nframes;
1070 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("set MaximumFramesPerSlice in global scope to %1\n", numFrames));
1071 if ((err = unit->SetProperty (kAudioUnitProperty_MaximumFramesPerSlice, kAudioUnitScope_Global,
1072 0, &numFrames, sizeof (numFrames))) != noErr) {
1073 error << string_compose (_("AU: cannot set max frames (err = %1)"), err) << endmsg;
1077 if (was_initialized) {
1081 _current_block_size = nframes;
1087 AUPlugin::configure_io (ChanCount in, ChanCount out)
1089 AudioStreamBasicDescription streamFormat;
1090 bool was_initialized = initialized;
1091 int32_t audio_out = out.n_audio();
1092 if (audio_input_cnt > 0) {
1093 in.set (DataType::AUDIO, audio_input_cnt);
1095 const int32_t audio_in = in.n_audio();
1097 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("configure %1 for %2 in %3 out\n", name(), in, out));
1100 //if we are already running with the requested i/o config, bail out here
1101 if ( (audio_in==input_channels) && (audio_out==output_channels) ) {
1108 streamFormat.mSampleRate = _session.frame_rate();
1109 streamFormat.mFormatID = kAudioFormatLinearPCM;
1110 streamFormat.mFormatFlags = kAudioFormatFlagIsFloat|kAudioFormatFlagIsPacked|kAudioFormatFlagIsNonInterleaved;
1112 #ifdef __LITTLE_ENDIAN__
1115 streamFormat.mFormatFlags |= kAudioFormatFlagIsBigEndian;
1118 streamFormat.mBitsPerChannel = 32;
1119 streamFormat.mFramesPerPacket = 1;
1121 /* apple says that for non-interleaved data, these
1122 * values always refer to a single channel.
1124 streamFormat.mBytesPerPacket = 4;
1125 streamFormat.mBytesPerFrame = 4;
1127 configured_input_busses = 0;
1128 configured_output_busses = 0;
1130 for (size_t i = 0; i < output_elements; ++i) {
1131 AudioUnitReset (unit->AU(), kAudioUnitScope_Output, i);
1133 for (size_t i = 0; i < input_elements; ++i) {
1134 AudioUnitReset (unit->AU(), kAudioUnitScope_Input, i);
1137 /* now assign the channels to available busses */
1138 uint32_t used_in = 0;
1139 uint32_t used_out = 0;
1141 if (variable_inputs) {
1142 // we only ever use the first bus
1143 if (input_elements > 1) {
1144 warning << string_compose (_("AU %1 has multiple input busses and variable port count."), name()) << endmsg;
1146 streamFormat.mChannelsPerFrame = audio_in;
1147 if (set_stream_format (kAudioUnitScope_Input, 0, streamFormat) != 0) {
1150 configured_input_busses = 1;
1153 configured_input_busses = 0;
1154 uint32_t remain = audio_in;
1155 for (uint32_t bus = 0; remain > 0 && bus < input_elements; ++bus) {
1156 uint32_t cnt = std::min (remain, bus_inputs[bus]);
1157 if (cnt == 0) { continue; }
1158 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1 configure input bus: %2 chn: %3", name(), bus, cnt));
1160 streamFormat.mChannelsPerFrame = cnt;
1161 if (set_stream_format (kAudioUnitScope_Input, bus, streamFormat) != 0) {
1165 ++configured_input_busses;
1170 if (variable_outputs) {
1171 if (output_elements > 1) {
1172 warning << string_compose (_("AU %1 has multiple output busses and variable port count."), name()) << endmsg;
1175 streamFormat.mChannelsPerFrame = audio_out;
1176 if (set_stream_format (kAudioUnitScope_Output, 0, streamFormat) != 0) {
1179 configured_output_busses = 1;
1180 used_out = audio_out;
1182 uint32_t remain = audio_out;
1183 configured_output_busses = 0;
1184 for (uint32_t bus = 0; remain > 0 && bus < output_elements; ++bus) {
1185 uint32_t cnt = std::min (remain, bus_outputs[bus]);
1186 if (cnt == 0) { continue; }
1187 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1 configure output bus: %2 chn: %3", name(), bus, cnt));
1188 streamFormat.mChannelsPerFrame = cnt;
1189 if (set_stream_format (kAudioUnitScope_Output, bus, streamFormat) != 0) {
1194 ++configured_output_busses;
1199 buffers = (AudioBufferList *) malloc (offsetof(AudioBufferList, mBuffers) +
1200 used_out * sizeof(::AudioBuffer));
1202 input_channels = used_in;
1203 output_channels = used_out;
1204 /* reset plugin info to show currently configured state */
1206 _info->n_inputs = ChanCount (DataType::AUDIO, used_in) + ChanCount (DataType::MIDI, _has_midi_input ? 1 : 0);
1207 _info->n_outputs = ChanCount (DataType::AUDIO, used_out);
1209 if (was_initialized) {
1217 AUPlugin::input_streams() const
1220 if (input_channels < 0) {
1221 // force PluginIoReConfigure -- see also commit msg e38eb06
1222 c.set (DataType::AUDIO, 0);
1223 c.set (DataType::MIDI, 0);
1225 c.set (DataType::AUDIO, input_channels);
1226 c.set (DataType::MIDI, _has_midi_input ? 1 : 0);
1233 AUPlugin::output_streams() const
1236 if (output_channels < 0) {
1237 // force PluginIoReConfigure - see also commit msg e38eb06
1238 c.set (DataType::AUDIO, 0);
1239 c.set (DataType::MIDI, 0);
1241 c.set (DataType::AUDIO, output_channels);
1242 c.set (DataType::MIDI, _has_midi_output ? 1 : 0);
1248 AUPlugin::can_support_io_configuration (const ChanCount& in, ChanCount& out, ChanCount* imprecise)
1250 _output_configs.clear ();
1251 const int32_t audio_in = in.n_audio();
1252 AUPluginInfoPtr pinfo = boost::dynamic_pointer_cast<AUPluginInfo>(get_info());
1254 /* lets check MIDI first */
1256 if (in.n_midi() > 0 && !_has_midi_input && !imprecise) {
1260 vector<pair<int,int> >& io_configs = pinfo->cache.io_configs;
1262 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1 has %2 IO configurations, looking for %3 in, %4 out\n",
1263 name(), io_configs.size(), in, out));
1266 printf ("AU I/O Configs %s %d\n", name().c_str(), io_configs.size());
1267 for (vector<pair<int,int> >::iterator i = io_configs.begin(); i != io_configs.end(); ++i) {
1268 printf ("- I/O %d / %d\n", i->first, i->second);
1272 // preferred setting (provided by plugin_insert)
1273 const int preferred_out = out.n_audio ();
1275 bool exact_match = false;
1277 /* kAudioUnitProperty_SupportedNumChannels
1278 * https://developer.apple.com/library/mac/documentation/MusicAudio/Conceptual/AudioUnitProgrammingGuide/TheAudioUnit/TheAudioUnit.html#//apple_ref/doc/uid/TP40003278-CH12-SW20
1280 * - both fields are -1
1281 * e.g. inChannels = -1 outChannels = -1
1282 * This is the default case. Any number of input and output channels, as long as the numbers match
1284 * - one field is -1, the other field is positive
1285 * e.g. inChannels = -1 outChannels = 2
1286 * Any number of input channels, exactly two output channels
1288 * - one field is -1, the other field is -2
1289 * e.g. inChannels = -1 outChannels = -2
1290 * Any number of input channels, any number of output channels
1292 * - both fields have non-negative values
1293 * e.g. inChannels = 2 outChannels = 6
1294 * Exactly two input channels, exactly six output channels
1295 * e.g. inChannels = 0 outChannels = 2
1296 * No input channels, exactly two output channels (such as for an instrument unit with stereo output)
1298 * - both fields have negative values, neither of which is –1 or –2
1299 * e.g. inChannels = -4 outChannels = -8
1300 * Up to four input channels and up to eight output channels
1303 for (vector<pair<int,int> >::iterator i = io_configs.begin(); i != io_configs.end(); ++i) {
1305 int32_t possible_in = i->first;
1306 int32_t possible_out = i->second;
1308 if ((possible_in == audio_in) && (possible_out == preferred_out)) {
1309 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("\tCHOSEN: %1 in %2 out to match in %3 out %4\n",
1310 possible_in, possible_out,
1314 _output_configs.insert (preferred_out);
1321 /* now allow potentially "imprecise" matches */
1322 int32_t audio_out = -1;
1323 float penalty = 9999;
1324 int used_possible_in = 0;
1325 #if defined (__clang__)
1326 # pragma clang diagnostic push
1327 # pragma clang diagnostic ignored "-Wtautological-compare"
1330 #define FOUNDCFG(nch) { \
1331 float p = fabsf ((float)(nch) - preferred_out); \
1332 _output_configs.insert (nch); \
1333 if ((nch) > preferred_out) { p *= 1.1; } \
1334 if (p < penalty) { \
1335 used_possible_in = possible_in; \
1336 audio_out = (nch); \
1339 variable_inputs = possible_in < 0; \
1340 variable_outputs = possible_out < 0; \
1344 #define ANYTHINGGOES \
1345 _output_configs.insert (0);
1347 #define UPTO(nch) { \
1348 for (int n = 1; n < nch; ++n) { \
1349 _output_configs.insert (n); \
1353 for (vector<pair<int,int> >::iterator i = io_configs.begin(); i != io_configs.end(); ++i) {
1355 int32_t possible_in = i->first;
1356 int32_t possible_out = i->second;
1358 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("\tpossible in %1 possible out %2\n", possible_in, possible_out));
1360 if (possible_out == 0) {
1361 warning << string_compose (_("AU %1 has zero outputs - configuration ignored"), name()) << endmsg;
1362 /* XXX surely this is just a send? (e.g. AUNetSend) */
1366 if (possible_in == 0) {
1367 /* no inputs, generators & instruments */
1368 if (possible_out == -1) {
1369 /* any configuration possible, provide stereo output */
1370 FOUNDCFG (preferred_out);
1372 } else if (possible_out == -2) {
1373 /* invalid, should be (0, -1) */
1374 FOUNDCFG (preferred_out);
1376 } else if (possible_out < -2) {
1377 /* variable number of outputs up to -N, */
1378 FOUNDCFG (min (-possible_out, preferred_out));
1379 UPTO (-possible_out);
1381 /* exact number of outputs */
1382 FOUNDCFG (possible_out);
1386 if (possible_in == -1) {
1387 /* wildcard for input */
1388 if (possible_out == -1) {
1389 /* out must match in */
1390 FOUNDCFG (audio_in);
1391 } else if (possible_out == -2) {
1392 /* any configuration possible, pick matching */
1393 FOUNDCFG (preferred_out);
1395 } else if (possible_out < -2) {
1396 /* explicitly variable number of outputs, pick maximum */
1397 FOUNDCFG (max (-possible_out, preferred_out));
1398 /* and try min, too, in case the penalty is lower */
1399 FOUNDCFG (min (-possible_out, preferred_out));
1400 UPTO (-possible_out)
1402 /* exact number of outputs */
1403 FOUNDCFG (possible_out);
1407 if (possible_in == -2) {
1408 if (possible_out == -1) {
1409 /* any configuration possible, pick matching */
1410 FOUNDCFG (preferred_out);
1412 } else if (possible_out == -2) {
1413 /* invalid. interpret as (-1, -1) */
1414 FOUNDCFG (preferred_out);
1416 } else if (possible_out < -2) {
1417 /* invalid, interpret as (<-2, <-2)
1418 * variable number of outputs up to -N, */
1419 FOUNDCFG (min (-possible_out, preferred_out));
1420 UPTO (-possible_out)
1422 /* exact number of outputs */
1423 FOUNDCFG (possible_out);
1427 if (possible_in < -2) {
1428 /* explicit variable number of inputs */
1429 if (audio_in > -possible_in && imprecise != NULL) {
1430 // hide inputs ports
1431 imprecise->set (DataType::AUDIO, -possible_in);
1434 if (audio_in > -possible_in && imprecise == NULL) {
1435 /* request is too large */
1436 } else if (possible_out == -1) {
1437 /* any output configuration possible */
1438 FOUNDCFG (preferred_out);
1440 } else if (possible_out == -2) {
1441 /* invalid. interpret as (<-2, -1) */
1442 FOUNDCFG (preferred_out);
1444 } else if (possible_out < -2) {
1445 /* variable number of outputs up to -N, */
1446 FOUNDCFG (min (-possible_out, preferred_out));
1447 UPTO (-possible_out)
1449 /* exact number of outputs */
1450 FOUNDCFG (possible_out);
1454 if (possible_in && (possible_in == audio_in)) {
1455 /* exact number of inputs ... must match obviously */
1456 if (possible_out == -1) {
1457 /* any output configuration possible */
1458 FOUNDCFG (preferred_out);
1460 } else if (possible_out == -2) {
1461 /* plugins shouldn't really use (>0,-2), interpret as (>0,-1) */
1462 FOUNDCFG (preferred_out);
1464 } else if (possible_out < -2) {
1465 /* > 0, < -2 is not specified
1466 * interpret as up to -N */
1467 FOUNDCFG (min (-possible_out, preferred_out));
1468 UPTO (-possible_out)
1470 /* exact number of outputs */
1471 FOUNDCFG (possible_out);
1476 if (!found && imprecise) {
1478 for (vector<pair<int,int> >::iterator i = io_configs.begin(); i != io_configs.end(); ++i) {
1479 int32_t possible_in = i->first;
1480 int32_t possible_out = i->second;
1482 assert (possible_in > 0); // all other cases will have been matched above
1483 assert (possible_out !=0 || possible_in !=0); // already handled above
1485 imprecise->set (DataType::AUDIO, possible_in);
1486 if (possible_out == -1 || possible_out == -2) {
1488 } else if (possible_out < -2) {
1489 /* explicitly variable number of outputs, pick maximum */
1490 FOUNDCFG (min (-possible_out, preferred_out));
1492 /* exact number of outputs */
1493 FOUNDCFG (possible_out);
1495 // ideally we'll also find the closest, best matching
1496 // input configuration with minimal output penalty...
1501 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("\tFAIL: no io configs match %1\n", in));
1506 out.set (DataType::MIDI, 0); // currently always zero
1507 out.set (DataType::AUDIO, preferred_out);
1509 if (used_possible_in < -2 && audio_in == 0) {
1510 // input-port count cannot be zero, use as many ports
1511 // as outputs, but at most abs(possible_in)
1512 audio_input_cnt = max (1, min (audio_out, -used_possible_in));
1514 out.set (DataType::MIDI, 0); /// XXX
1515 out.set (DataType::AUDIO, audio_out);
1517 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("\tCHOSEN: in %1 out %2\n", in, out));
1519 #if defined (__clang__)
1520 # pragma clang diagnostic pop
1526 AUPlugin::set_stream_format (int scope, uint32_t bus, AudioStreamBasicDescription& fmt)
1530 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("set stream format for %1, scope = %2 element %3\n",
1531 (scope == kAudioUnitScope_Input ? "input" : "output"),
1533 if ((result = unit->SetFormat (scope, bus, fmt)) != 0) {
1534 error << string_compose (_("AUPlugin: could not set stream format for %1/%2 (err = %3)"),
1535 (scope == kAudioUnitScope_Input ? "input" : "output"), bus, result) << endmsg;
1542 AUPlugin::render_callback(AudioUnitRenderActionFlags*,
1543 const AudioTimeStamp*,
1545 UInt32 inNumberFrames,
1546 AudioBufferList* ioData)
1548 /* not much to do with audio - the data is already in the buffers given to us in connect_and_run() */
1550 // DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1: render callback, frames %2 bus %3 bufs %4\n",
1551 // name(), inNumberFrames, bus, ioData->mNumberBuffers));
1553 if (input_maxbuf == 0) {
1554 DEBUG_TRACE (DEBUG::AudioUnits, "AUPlugin: render callback called illegally!");
1555 error << _("AUPlugin: render callback called illegally!") << endmsg;
1556 return kAudioUnitErr_CannotDoInCurrentContext;
1559 assert (bus < input_elements);
1560 uint32_t busoff = 0;
1561 for (uint32_t i = 0; i < bus; ++i) {
1562 busoff += bus_inputs[i];
1565 uint32_t limit = min ((uint32_t) ioData->mNumberBuffers, input_maxbuf);
1567 ChanCount bufs_count (DataType::AUDIO, 1);
1568 BufferSet& silent_bufs = _session.get_silent_buffers(bufs_count);
1570 /* apply bus offsets */
1572 for (uint32_t i = 0; i < limit; ++i) {
1573 ioData->mBuffers[i].mNumberChannels = 1;
1574 ioData->mBuffers[i].mDataByteSize = sizeof (Sample) * inNumberFrames;
1577 uint32_t idx = input_map->get (DataType::AUDIO, i + busoff, &valid);
1579 ioData->mBuffers[i].mData = input_buffers->get_audio (idx).data (cb_offsets[bus] + input_offset);
1581 ioData->mBuffers[i].mData = silent_bufs.get_audio(0).data (cb_offsets[bus] + input_offset);
1584 cb_offsets[bus] += inNumberFrames;
1589 AUPlugin::connect_and_run (BufferSet& bufs, ChanMapping in_map, ChanMapping out_map, pframes_t nframes, framecnt_t offset)
1591 Plugin::connect_and_run (bufs, in_map, out_map, nframes, offset);
1593 AudioUnitRenderActionFlags flags = 0;
1597 if (requires_fixed_size_buffers() && (nframes != _last_nframes)) {
1598 unit->GlobalReset();
1599 _last_nframes = nframes;
1602 /* test if we can run in-place; only compare audio buffers */
1603 bool inplace = true; // TODO check plugin-insert in-place ?
1604 ChanMapping::Mappings inmap (in_map.mappings ());
1605 ChanMapping::Mappings outmap (out_map.mappings ());
1606 assert (outmap[DataType::AUDIO].size () > 0);
1607 if (inmap[DataType::AUDIO].size() > 0 && inmap != outmap) {
1611 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1 in %2 out %3 MIDI %4 bufs %5 (available %6) Inplace: %7\n",
1612 name(), input_channels, output_channels, _has_midi_input,
1613 bufs.count(), bufs.available(), inplace));
1615 /* the apparent number of buffers matches our input configuration, but we know that the bufferset
1616 * has the capacity to handle our outputs.
1619 assert (bufs.available() >= ChanCount (DataType::AUDIO, output_channels));
1621 input_buffers = &bufs;
1622 input_map = &in_map;
1623 input_maxbuf = bufs.count().n_audio(); // number of input audio buffers
1624 input_offset = offset;
1625 for (size_t i = 0; i < input_elements; ++i) {
1629 ChanCount bufs_count (DataType::AUDIO, 1);
1630 BufferSet& scratch_bufs = _session.get_scratch_buffers(bufs_count);
1632 if (_has_midi_input) {
1633 uint32_t nmidi = bufs.count().n_midi();
1634 for (uint32_t i = 0; i < nmidi; ++i) {
1635 /* one MIDI port/buffer only */
1636 MidiBuffer& m = bufs.get_midi (i);
1637 for (MidiBuffer::iterator i = m.begin(); i != m.end(); ++i) {
1638 Evoral::MIDIEvent<framepos_t> ev (*i);
1639 if (ev.is_channel_event()) {
1640 const uint8_t* b = ev.buffer();
1641 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1: MIDI event %2\n", name(), ev));
1642 unit->MIDIEvent (b[0], b[1], b[2], ev.time());
1644 /* XXX need to handle sysex and other message types */
1649 assert (input_maxbuf < 512);
1650 std::bitset<512> used_outputs;
1653 uint32_t busoff = 0;
1654 uint32_t remain = output_channels;
1655 for (uint32_t bus = 0; remain > 0 && bus < configured_output_busses; ++bus) {
1656 uint32_t cnt = std::min (remain, bus_outputs[bus]);
1659 buffers->mNumberBuffers = cnt;
1661 for (uint32_t i = 0; i < cnt; ++i) {
1662 buffers->mBuffers[i].mNumberChannels = 1;
1663 buffers->mBuffers[i].mDataByteSize = nframes * sizeof (Sample);
1664 /* setting this to 0 indicates to the AU that it can provide buffers here
1665 * if necessary. if it can process in-place, it will use the buffers provided
1666 * as input by ::render_callback() above.
1668 * a non-null values tells the plugin to render into the buffer pointed
1672 buffers->mBuffers[i].mData = 0;
1675 uint32_t idx = out_map.get (DataType::AUDIO, i + busoff, &valid);
1677 buffers->mBuffers[i].mData = bufs.get_audio (idx).data (offset);
1679 buffers->mBuffers[i].mData = scratch_bufs.get_audio(0).data(offset);
1684 /* does this really mean anything ? */
1685 ts.mSampleTime = frames_processed;
1686 ts.mFlags = kAudioTimeStampSampleTimeValid;
1688 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1 render flags=%2 time=%3 nframes=%4 bus=%5 buffers=%6\n",
1689 name(), flags, frames_processed, nframes, bus, buffers->mNumberBuffers));
1691 if ((err = unit->Render (&flags, &ts, bus, nframes, buffers)) == noErr) {
1693 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1 rendered %2 buffers of %3\n",
1694 name(), buffers->mNumberBuffers, output_channels));
1696 uint32_t limit = std::min ((uint32_t) buffers->mNumberBuffers, cnt);
1697 for (uint32_t i = 0; i < limit; ++i) {
1699 uint32_t idx = out_map.get (DataType::AUDIO, i + busoff, &valid);
1700 if (!valid) continue;
1701 used_outputs.set (i + busoff);
1702 Sample* expected_buffer_address = bufs.get_audio (idx).data (offset);
1703 if (expected_buffer_address != buffers->mBuffers[i].mData) {
1704 /* plugin provided its own buffer for output so copy it back to where we want it */
1705 memcpy (expected_buffer_address, buffers->mBuffers[i].mData, nframes * sizeof (Sample));
1709 error << string_compose (_("AU: render error for %1, bus %2 status = %2"), name(), bus, err) << endmsg;
1715 busoff += bus_outputs[bus];
1718 /* now silence any buffers that were passed in but the that the plugin
1719 * did not fill/touch/use.
1721 * TODO: optimize, when plugin-insert is processing in-place
1722 * unconnected buffers are (also) cleared there.
1724 for (uint32_t i = 0; i < input_maxbuf; ++i) {
1725 if (used_outputs.test (i)) { continue; }
1727 uint32_t idx = out_map.get (DataType::AUDIO, i, &valid);
1728 if (!valid) continue;
1729 memset (bufs.get_audio (idx).data (offset), 0, nframes * sizeof (Sample));
1735 frames_processed += nframes;
1742 AUPlugin::get_beat_and_tempo_callback (Float64* outCurrentBeat,
1743 Float64* outCurrentTempo)
1745 TempoMap& tmap (_session.tempo_map());
1747 DEBUG_TRACE (DEBUG::AudioUnits, "AU calls ardour beat&tempo callback\n");
1749 /* more than 1 meter or more than 1 tempo means that a simplistic computation
1750 (and interpretation) of a beat position will be incorrect. So refuse to
1754 if (tmap.n_tempos() > 1 || tmap.n_meters() > 1) {
1755 return kAudioUnitErr_CannotDoInCurrentContext;
1758 Timecode::BBT_Time bbt;
1759 TempoMetric metric = tmap.metric_at (_session.transport_frame() + input_offset);
1760 tmap.bbt_time (_session.transport_frame() + input_offset, bbt);
1762 if (outCurrentBeat) {
1764 beat = metric.meter().divisions_per_bar() * bbt.bars;
1766 beat += bbt.ticks / Timecode::BBT_Time::ticks_per_beat;
1767 *outCurrentBeat = beat;
1770 if (outCurrentTempo) {
1771 *outCurrentTempo = floor (metric.tempo().beats_per_minute());
1779 AUPlugin::get_musical_time_location_callback (UInt32* outDeltaSampleOffsetToNextBeat,
1780 Float32* outTimeSig_Numerator,
1781 UInt32* outTimeSig_Denominator,
1782 Float64* outCurrentMeasureDownBeat)
1784 TempoMap& tmap (_session.tempo_map());
1786 DEBUG_TRACE (DEBUG::AudioUnits, "AU calls ardour music time location callback\n");
1788 /* more than 1 meter or more than 1 tempo means that a simplistic computation
1789 (and interpretation) of a beat position will be incorrect. So refuse to
1793 if (tmap.n_tempos() > 1 || tmap.n_meters() > 1) {
1794 return kAudioUnitErr_CannotDoInCurrentContext;
1797 Timecode::BBT_Time bbt;
1798 TempoMetric metric = tmap.metric_at (_session.transport_frame() + input_offset);
1799 tmap.bbt_time (_session.transport_frame() + input_offset, bbt);
1801 if (outDeltaSampleOffsetToNextBeat) {
1802 if (bbt.ticks == 0) {
1804 *outDeltaSampleOffsetToNextBeat = 0;
1806 *outDeltaSampleOffsetToNextBeat = (UInt32)
1807 floor (((Timecode::BBT_Time::ticks_per_beat - bbt.ticks)/Timecode::BBT_Time::ticks_per_beat) * // fraction of a beat to next beat
1808 metric.tempo().frames_per_beat (_session.frame_rate())); // frames per beat
1812 if (outTimeSig_Numerator) {
1813 *outTimeSig_Numerator = (UInt32) lrintf (metric.meter().divisions_per_bar());
1815 if (outTimeSig_Denominator) {
1816 *outTimeSig_Denominator = (UInt32) lrintf (metric.meter().note_divisor());
1819 if (outCurrentMeasureDownBeat) {
1821 /* beat for the start of the bar.
1823 2|1|0 -> 1 + divisions_per_bar
1824 3|1|0 -> 1 + (2 * divisions_per_bar)
1828 *outCurrentMeasureDownBeat = 1 + metric.meter().divisions_per_bar() * (bbt.bars - 1);
1835 AUPlugin::get_transport_state_callback (Boolean* outIsPlaying,
1836 Boolean* outTransportStateChanged,
1837 Float64* outCurrentSampleInTimeLine,
1838 Boolean* outIsCycling,
1839 Float64* outCycleStartBeat,
1840 Float64* outCycleEndBeat)
1845 DEBUG_TRACE (DEBUG::AudioUnits, "AU calls ardour transport state callback\n");
1847 rolling = _session.transport_rolling();
1848 speed = _session.transport_speed ();
1851 *outIsPlaying = _session.transport_rolling();
1854 if (outTransportStateChanged) {
1855 if (rolling != last_transport_rolling) {
1856 *outTransportStateChanged = true;
1857 } else if (speed != last_transport_speed) {
1858 *outTransportStateChanged = true;
1860 *outTransportStateChanged = false;
1864 if (outCurrentSampleInTimeLine) {
1865 /* this assumes that the AU can only call this host callback from render context,
1866 where input_offset is valid.
1868 *outCurrentSampleInTimeLine = _session.transport_frame() + input_offset;
1872 Location* loc = _session.locations()->auto_loop_location();
1874 *outIsCycling = (loc && _session.transport_rolling() && _session.get_play_loop());
1876 if (*outIsCycling) {
1878 if (outCycleStartBeat || outCycleEndBeat) {
1880 TempoMap& tmap (_session.tempo_map());
1882 /* more than 1 meter means that a simplistic computation (and interpretation) of
1883 a beat position will be incorrect. so refuse to offer the value.
1886 if (tmap.n_meters() > 1) {
1887 return kAudioUnitErr_CannotDoInCurrentContext;
1890 Timecode::BBT_Time bbt;
1892 if (outCycleStartBeat) {
1893 TempoMetric metric = tmap.metric_at (loc->start() + input_offset);
1894 _session.tempo_map().bbt_time (loc->start(), bbt);
1897 beat = metric.meter().divisions_per_bar() * bbt.bars;
1899 beat += bbt.ticks / Timecode::BBT_Time::ticks_per_beat;
1901 *outCycleStartBeat = beat;
1904 if (outCycleEndBeat) {
1905 TempoMetric metric = tmap.metric_at (loc->end() + input_offset);
1906 _session.tempo_map().bbt_time (loc->end(), bbt);
1909 beat = metric.meter().divisions_per_bar() * bbt.bars;
1911 beat += bbt.ticks / Timecode::BBT_Time::ticks_per_beat;
1913 *outCycleEndBeat = beat;
1919 last_transport_rolling = rolling;
1920 last_transport_speed = speed;
1925 set<Evoral::Parameter>
1926 AUPlugin::automatable() const
1928 set<Evoral::Parameter> automates;
1930 for (uint32_t i = 0; i < descriptors.size(); ++i) {
1931 if (descriptors[i].automatable) {
1932 automates.insert (automates.end(), Evoral::Parameter (PluginAutomation, 0, i));
1939 Plugin::IOPortDescription
1940 AUPlugin::describe_io_port (ARDOUR::DataType dt, bool input, uint32_t id) const
1942 std::stringstream ss;
1944 case DataType::AUDIO:
1946 case DataType::MIDI:
1954 if (dt == DataType::AUDIO) {
1957 for (uint32_t bus = 0; bus < input_elements; ++bus) {
1958 if (pid < bus_inputs[bus]) {
1960 ss << _bus_name_in[bus];
1963 pid -= bus_inputs[bus];
1968 for (uint32_t bus = 0; bus < output_elements; ++bus) {
1969 if (pid < bus_outputs[bus]) {
1971 ss << _bus_name_out[bus];
1974 pid -= bus_outputs[bus];
1980 ss << " " << _("In") << " ";
1982 ss << " " << _("Out") << " ";
1987 Plugin::IOPortDescription iod (ss.str());
1992 AUPlugin::describe_parameter (Evoral::Parameter param)
1994 if (param.type() == PluginAutomation && param.id() < parameter_count()) {
1995 return descriptors[param.id()].label;
2002 AUPlugin::print_parameter (uint32_t /*param*/, char* /*buf*/, uint32_t /*len*/) const
2004 // NameValue stuff here
2008 AUPlugin::parameter_is_audio (uint32_t) const
2014 AUPlugin::parameter_is_control (uint32_t param) const
2016 assert(param < descriptors.size());
2017 if (descriptors[param].automatable) {
2018 /* corrently ardour expects all controls to be automatable
2019 * IOW ardour GUI elements mandate an Evoral::Parameter
2020 * for all input+control ports.
2028 AUPlugin::parameter_is_input (uint32_t param) const
2030 /* AU params that are both readable and writeable,
2031 * are listed in kAudioUnitScope_Global
2033 return (descriptors[param].scope == kAudioUnitScope_Input || descriptors[param].scope == kAudioUnitScope_Global);
2037 AUPlugin::parameter_is_output (uint32_t param) const
2039 assert(param < descriptors.size());
2040 // TODO check if ardour properly handles ports
2041 // that report is_input + is_output == true
2042 // -> add || descriptors[param].scope == kAudioUnitScope_Global
2043 return (descriptors[param].scope == kAudioUnitScope_Output);
2047 AUPlugin::add_state (XMLNode* root) const
2049 LocaleGuard lg (X_("C"));
2051 CFPropertyListRef propertyList;
2053 DEBUG_TRACE (DEBUG::AudioUnits, "get preset state\n");
2054 if (unit->GetAUPreset (propertyList) != noErr) {
2058 // Convert the property list into XML data.
2060 xmlData = CFPropertyListCreateXMLData( kCFAllocatorDefault, propertyList);
2063 error << _("Could not create XML version of property list") << endmsg;
2067 /* re-parse XML bytes to create a libxml++ XMLTree that we can merge into
2068 our state node. GACK!
2073 if (t.read_buffer (string ((const char*) CFDataGetBytePtr (xmlData), CFDataGetLength (xmlData)))) {
2075 root->add_child_copy (*t.root());
2079 CFRelease (xmlData);
2080 CFRelease (propertyList);
2084 AUPlugin::set_state(const XMLNode& node, int version)
2087 CFPropertyListRef propertyList;
2088 LocaleGuard lg (X_("C"));
2090 if (node.name() != state_node_name()) {
2091 error << _("Bad node sent to AUPlugin::set_state") << endmsg;
2095 #ifndef NO_PLUGIN_STATE
2096 if (node.children().empty()) {
2100 XMLNode* top = node.children().front();
2101 XMLNode* copy = new XMLNode (*top);
2106 const string& xml = t.write_buffer ();
2107 CFDataRef xmlData = CFDataCreateWithBytesNoCopy (kCFAllocatorDefault, (UInt8*) xml.data(), xml.length(), kCFAllocatorNull);
2108 CFStringRef errorString;
2110 propertyList = CFPropertyListCreateFromXMLData( kCFAllocatorDefault,
2112 kCFPropertyListImmutable,
2115 CFRelease (xmlData);
2118 DEBUG_TRACE (DEBUG::AudioUnits, "set preset\n");
2119 if (unit->SetAUPreset (propertyList) == noErr) {
2122 /* tell the world */
2124 AudioUnitParameter changedUnit;
2125 changedUnit.mAudioUnit = unit->AU();
2126 changedUnit.mParameterID = kAUParameterListener_AnyParameter;
2127 AUParameterListenerNotify (NULL, NULL, &changedUnit);
2129 CFRelease (propertyList);
2133 Plugin::set_state (node, version);
2138 AUPlugin::load_preset (PresetRecord r)
2140 Plugin::load_preset (r);
2143 CFPropertyListRef propertyList;
2145 UserPresetMap::iterator ux;
2146 FactoryPresetMap::iterator fx;
2148 /* look first in "user" presets */
2150 if ((ux = user_preset_map.find (r.label)) != user_preset_map.end()) {
2152 if ((propertyList = load_property_list (ux->second)) != 0) {
2153 DEBUG_TRACE (DEBUG::AudioUnits, "set preset from user presets\n");
2154 if (unit->SetAUPreset (propertyList) == noErr) {
2157 /* tell the world */
2159 AudioUnitParameter changedUnit;
2160 changedUnit.mAudioUnit = unit->AU();
2161 changedUnit.mParameterID = kAUParameterListener_AnyParameter;
2162 AUParameterListenerNotify (NULL, NULL, &changedUnit);
2164 CFRelease(propertyList);
2167 } else if ((fx = factory_preset_map.find (r.label)) != factory_preset_map.end()) {
2171 preset.presetNumber = fx->second;
2172 preset.presetName = CFStringCreateWithCString (kCFAllocatorDefault, fx->first.c_str(), kCFStringEncodingUTF8);
2174 DEBUG_TRACE (DEBUG::AudioUnits, "set preset from factory presets\n");
2176 if (unit->SetPresentPreset (preset) == 0) {
2179 /* tell the world */
2181 AudioUnitParameter changedUnit;
2182 changedUnit.mAudioUnit = unit->AU();
2183 changedUnit.mParameterID = kAUParameterListener_AnyParameter;
2184 AUParameterListenerNotify (NULL, NULL, &changedUnit);
2192 AUPlugin::do_remove_preset (std::string)
2197 AUPlugin::do_save_preset (string preset_name)
2199 CFPropertyListRef propertyList;
2200 vector<Glib::ustring> v;
2201 Glib::ustring user_preset_path;
2203 std::string m = maker();
2204 std::string n = name();
2206 strip_whitespace_edges (m);
2207 strip_whitespace_edges (n);
2209 v.push_back (Glib::get_home_dir());
2210 v.push_back ("Library");
2211 v.push_back ("Audio");
2212 v.push_back ("Presets");
2216 user_preset_path = Glib::build_filename (v);
2218 if (g_mkdir_with_parents (user_preset_path.c_str(), 0775) < 0) {
2219 error << string_compose (_("Cannot create user plugin presets folder (%1)"), user_preset_path) << endmsg;
2223 DEBUG_TRACE (DEBUG::AudioUnits, "get current preset\n");
2224 if (unit->GetAUPreset (propertyList) != noErr) {
2228 // add the actual preset name */
2230 v.push_back (preset_name + preset_suffix);
2234 user_preset_path = Glib::build_filename (v);
2236 set_preset_name_in_plist (propertyList, preset_name);
2238 if (save_property_list (propertyList, user_preset_path)) {
2239 error << string_compose (_("Saving plugin state to %1 failed"), user_preset_path) << endmsg;
2243 CFRelease(propertyList);
2245 user_preset_map[preset_name] = user_preset_path;;
2247 DEBUG_TRACE (DEBUG::AudioUnits, string_compose("AU Saving Preset to %1\n", user_preset_path));
2249 return string ("file:///") + user_preset_path;
2252 //-----------------------------------------------------------------------------
2253 // this is just a little helper function used by GetAUComponentDescriptionFromPresetFile()
2255 GetDictionarySInt32Value(CFDictionaryRef inAUStateDictionary, CFStringRef inDictionaryKey, Boolean * outSuccess)
2257 CFNumberRef cfNumber;
2258 SInt32 numberValue = 0;
2259 Boolean dummySuccess;
2261 if (outSuccess == NULL)
2262 outSuccess = &dummySuccess;
2263 if ( (inAUStateDictionary == NULL) || (inDictionaryKey == NULL) )
2265 *outSuccess = FALSE;
2269 cfNumber = (CFNumberRef) CFDictionaryGetValue(inAUStateDictionary, inDictionaryKey);
2270 if (cfNumber == NULL)
2272 *outSuccess = FALSE;
2275 *outSuccess = CFNumberGetValue(cfNumber, kCFNumberSInt32Type, &numberValue);
2283 GetAUComponentDescriptionFromStateData(CFPropertyListRef inAUStateData, ArdourDescription * outComponentDescription)
2285 CFDictionaryRef auStateDictionary;
2286 ArdourDescription tempDesc = {0,0,0,0,0};
2287 SInt32 versionValue;
2290 if ( (inAUStateData == NULL) || (outComponentDescription == NULL) )
2293 // the property list for AU state data must be of the dictionary type
2294 if (CFGetTypeID(inAUStateData) != CFDictionaryGetTypeID()) {
2295 return kAudioUnitErr_InvalidPropertyValue;
2298 auStateDictionary = (CFDictionaryRef)inAUStateData;
2300 // first check to make sure that the version of the AU state data is one that we know understand
2301 // XXX should I really do this? later versions would probably still hold these ID keys, right?
2302 versionValue = GetDictionarySInt32Value(auStateDictionary, CFSTR(kAUPresetVersionKey), &gotValue);
2305 return kAudioUnitErr_InvalidPropertyValue;
2307 #define kCurrentSavedStateVersion 0
2308 if (versionValue != kCurrentSavedStateVersion) {
2309 return kAudioUnitErr_InvalidPropertyValue;
2312 // grab the ComponentDescription values from the AU state data
2313 tempDesc.componentType = (OSType) GetDictionarySInt32Value(auStateDictionary, CFSTR(kAUPresetTypeKey), NULL);
2314 tempDesc.componentSubType = (OSType) GetDictionarySInt32Value(auStateDictionary, CFSTR(kAUPresetSubtypeKey), NULL);
2315 tempDesc.componentManufacturer = (OSType) GetDictionarySInt32Value(auStateDictionary, CFSTR(kAUPresetManufacturerKey), NULL);
2316 // zero values are illegit for specific ComponentDescriptions, so zero for any value means that there was an error
2317 if ( (tempDesc.componentType == 0) || (tempDesc.componentSubType == 0) || (tempDesc.componentManufacturer == 0) )
2318 return kAudioUnitErr_InvalidPropertyValue;
2320 *outComponentDescription = tempDesc;
2325 static bool au_preset_filter (const string& str, void* arg)
2327 /* Not a dotfile, has a prefix before a period, suffix is aupreset */
2331 ret = (str[0] != '.' && str.length() > 9 && str.find (preset_suffix) == (str.length() - preset_suffix.length()));
2335 /* check the preset file path name against this plugin
2336 ID. The idea is that all preset files for this plugin
2337 include "<manufacturer>/<plugin-name>" in their path.
2340 AUPluginInfo* p = (AUPluginInfo *) arg;
2341 string match = p->creator;
2345 ret = str.find (match) != string::npos;
2348 string m = p->creator;
2350 strip_whitespace_edges (m);
2351 strip_whitespace_edges (n);
2356 ret = str.find (match) != string::npos;
2364 check_and_get_preset_name (ArdourComponent component, const string& pathstr, string& preset_name)
2367 CFPropertyListRef plist;
2368 ArdourDescription presetDesc;
2371 plist = load_property_list (pathstr);
2377 // get the ComponentDescription from the AU preset file
2379 status = GetAUComponentDescriptionFromStateData(plist, &presetDesc);
2381 if (status == noErr) {
2382 if (ComponentAndDescriptionMatch_Loosely(component, &presetDesc)) {
2384 /* try to get the preset name from the property list */
2386 if (CFGetTypeID(plist) == CFDictionaryGetTypeID()) {
2388 const void* psk = CFDictionaryGetValue ((CFMutableDictionaryRef)plist, CFSTR(kAUPresetNameKey));
2392 const char* p = CFStringGetCStringPtr ((CFStringRef) psk, kCFStringEncodingUTF8);
2395 char buf[PATH_MAX+1];
2397 if (CFStringGetCString ((CFStringRef)psk, buf, sizeof (buf), kCFStringEncodingUTF8)) {
2414 get_names (CAComponentDescription& comp_desc, std::string& name, std::string& maker)
2416 get_names (ArdourComponent& comp, std::string& name, std::string& maker)
2419 CFStringRef itemName = NULL;
2420 // Marc Poirier-style item name
2422 CAComponent auComponent (comp_desc);
2423 if (auComponent.IsValid()) {
2424 CAComponentDescription dummydesc;
2425 Handle nameHandle = NewHandle(sizeof(void*));
2426 if (nameHandle != NULL) {
2427 OSErr err = GetComponentInfo(auComponent.Comp(), &dummydesc, nameHandle, NULL, NULL);
2429 ConstStr255Param nameString = (ConstStr255Param) (*nameHandle);
2430 if (nameString != NULL) {
2431 itemName = CFStringCreateWithPascalString(kCFAllocatorDefault, nameString, CFStringGetSystemEncoding());
2434 DisposeHandle(nameHandle);
2439 AudioComponentCopyName (comp, &itemName);
2442 // if Marc-style fails, do the original way
2443 if (itemName == NULL) {
2444 #ifndef COREAUDIO105
2445 CAComponentDescription comp_desc;
2446 AudioComponentGetDescription (comp, &comp_desc);
2448 CFStringRef compTypeString = UTCreateStringForOSType(comp_desc.componentType);
2449 CFStringRef compSubTypeString = UTCreateStringForOSType(comp_desc.componentSubType);
2450 CFStringRef compManufacturerString = UTCreateStringForOSType(comp_desc.componentManufacturer);
2452 itemName = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("%@ - %@ - %@"),
2453 compTypeString, compManufacturerString, compSubTypeString);
2455 if (compTypeString != NULL)
2456 CFRelease(compTypeString);
2457 if (compSubTypeString != NULL)
2458 CFRelease(compSubTypeString);
2459 if (compManufacturerString != NULL)
2460 CFRelease(compManufacturerString);
2463 string str = CFStringRefToStdString(itemName);
2464 string::size_type colon = str.find (':');
2467 name = str.substr (colon+1);
2468 maker = str.substr (0, colon);
2469 strip_whitespace_edges (maker);
2470 strip_whitespace_edges (name);
2474 strip_whitespace_edges (name);
2479 AUPlugin::current_preset() const
2483 CFPropertyListRef propertyList;
2485 DEBUG_TRACE (DEBUG::AudioUnits, "get current preset for current_preset()\n");
2486 if (unit->GetAUPreset (propertyList) == noErr) {
2487 preset_name = get_preset_name_in_plist (propertyList);
2488 CFRelease(propertyList);
2495 AUPlugin::find_presets ()
2497 vector<string> preset_files;
2499 user_preset_map.clear ();
2501 PluginInfoPtr nfo = get_info();
2502 find_files_matching_filter (preset_files, preset_search_path, au_preset_filter,
2503 boost::dynamic_pointer_cast<AUPluginInfo> (nfo).get(),
2506 if (preset_files.empty()) {
2507 DEBUG_TRACE (DEBUG::AudioUnits, "AU No Preset Files found for given plugin.\n");
2510 for (vector<string>::iterator x = preset_files.begin(); x != preset_files.end(); ++x) {
2515 /* make an initial guess at the preset name using the path */
2517 preset_name = Glib::path_get_basename (path);
2518 preset_name = preset_name.substr (0, preset_name.find_last_of ('.'));
2520 /* check that this preset file really matches this plugin
2521 and potentially get the "real" preset name from
2525 if (check_and_get_preset_name (get_comp()->Comp(), path, preset_name)) {
2526 user_preset_map[preset_name] = path;
2527 DEBUG_TRACE (DEBUG::AudioUnits, string_compose("AU Preset File: %1 > %2\n", preset_name, path));
2529 DEBUG_TRACE (DEBUG::AudioUnits, string_compose("AU INVALID Preset: %1 > %2\n", preset_name, path));
2534 /* now fill the vector<string> with the names we have */
2536 for (UserPresetMap::iterator i = user_preset_map.begin(); i != user_preset_map.end(); ++i) {
2537 _presets.insert (make_pair (i->second, Plugin::PresetRecord (i->second, i->first)));
2538 DEBUG_TRACE (DEBUG::AudioUnits, string_compose("AU Adding User Preset: %1 > %2\n", i->first, i->second));
2541 /* add factory presets */
2543 for (FactoryPresetMap::iterator i = factory_preset_map.begin(); i != factory_preset_map.end(); ++i) {
2545 string const uri = string_compose ("%1", _presets.size ());
2546 _presets.insert (make_pair (uri, Plugin::PresetRecord (uri, i->first, false)));
2547 DEBUG_TRACE (DEBUG::AudioUnits, string_compose("AU Adding Factory Preset: %1 > %2\n", i->first, i->second));
2552 AUPlugin::has_editor () const
2554 // even if the plugin doesn't have its own editor, the AU API can be used
2555 // to create one that looks native.
2559 AUPluginInfo::AUPluginInfo (boost::shared_ptr<CAComponentDescription> d)
2563 type = ARDOUR::AudioUnit;
2566 AUPluginInfo::~AUPluginInfo ()
2568 type = ARDOUR::AudioUnit;
2572 AUPluginInfo::load (Session& session)
2577 DEBUG_TRACE (DEBUG::AudioUnits, "load AU as a component\n");
2578 boost::shared_ptr<CAComponent> comp (new CAComponent(*descriptor));
2580 if (!comp->IsValid()) {
2581 error << ("AudioUnit: not a valid Component") << endmsg;
2583 plugin.reset (new AUPlugin (session.engine(), session, comp));
2586 AUPluginInfo *aup = new AUPluginInfo (*this);
2587 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("plugin info for %1 = %2\n", this, aup));
2588 plugin->set_info (PluginInfoPtr (aup));
2589 boost::dynamic_pointer_cast<AUPlugin> (plugin)->set_fixed_size_buffers (aup->creator == "Universal Audio");
2593 catch (failed_constructor &err) {
2594 DEBUG_TRACE (DEBUG::AudioUnits, "failed to load component/plugin\n");
2595 return PluginPtr ();
2599 std::vector<Plugin::PresetRecord>
2600 AUPluginInfo::get_presets (bool user_only) const
2602 std::vector<Plugin::PresetRecord> p;
2603 boost::shared_ptr<CAComponent> comp;
2604 #ifndef NO_PLUGIN_STATE
2606 comp = boost::shared_ptr<CAComponent>(new CAComponent(*descriptor));
2607 if (!comp->IsValid()) {
2608 throw failed_constructor();
2610 } catch (failed_constructor& err) {
2616 if (!preset_search_path_initialized) {
2617 Glib::ustring p = Glib::get_home_dir();
2618 p += "/Library/Audio/Presets:";
2619 p += preset_search_path;
2620 preset_search_path = p;
2621 preset_search_path_initialized = true;
2622 DEBUG_TRACE (DEBUG::AudioUnits, string_compose("AU Preset Path: %1\n", preset_search_path));
2625 vector<string> preset_files;
2626 find_files_matching_filter (preset_files, preset_search_path, au_preset_filter, const_cast<AUPluginInfo*>(this), true, true, true);
2628 for (vector<string>::iterator x = preset_files.begin(); x != preset_files.end(); ++x) {
2631 preset_name = Glib::path_get_basename (path);
2632 preset_name = preset_name.substr (0, preset_name.find_last_of ('.'));
2633 if (check_and_get_preset_name (comp.get()->Comp(), path, preset_name)) {
2634 p.push_back (Plugin::PresetRecord (path, preset_name));
2648 boost::shared_ptr<CAAudioUnit> unit (new CAAudioUnit);
2649 if (noErr != CAAudioUnit::Open (*(comp.get()), *unit)) {
2652 if (noErr != unit->GetPropertyInfo (kAudioUnitProperty_FactoryPresets, kAudioUnitScope_Global, 0, &dataSize, &isWritable)) {
2653 unit->Uninitialize ();
2656 if (noErr != unit->GetProperty (kAudioUnitProperty_FactoryPresets, kAudioUnitScope_Global, 0, (void*) &presets, &dataSize)) {
2657 unit->Uninitialize ();
2661 unit->Uninitialize ();
2665 CFIndex cnt = CFArrayGetCount (presets);
2666 for (CFIndex i = 0; i < cnt; ++i) {
2667 AUPreset* preset = (AUPreset*) CFArrayGetValueAtIndex (presets, i);
2668 string const uri = string_compose ("%1", i);
2669 string name = CFStringRefToStdString (preset->presetName);
2670 p.push_back (Plugin::PresetRecord (uri, name, false));
2672 CFRelease (presets);
2673 unit->Uninitialize ();
2675 #endif // NO_PLUGIN_STATE
2680 AUPluginInfo::au_cache_path ()
2682 return Glib::build_filename (ARDOUR::user_cache_directory(), "au_cache");
2686 AUPluginInfo::discover (bool scan_only)
2690 /* AU require a CAComponentDescription pointer provided by the OS.
2691 * Ardour only caches port and i/o config. It can't just 'scan' without
2692 * 'discovering' (like we do for VST).
2695 * "Iterate over all plugins. skip the ones where there's no io-cache".
2697 _scan_only = scan_only;
2699 if (!Glib::file_test (au_cache_path(), Glib::FILE_TEST_EXISTS)) {
2700 ARDOUR::BootMessage (_("Discovering AudioUnit plugins (could take some time ...)"));
2702 // create crash log file
2703 au_start_crashlog ();
2705 PluginInfoList* plugs = new PluginInfoList;
2707 discover_fx (*plugs);
2708 discover_music (*plugs);
2709 discover_generators (*plugs);
2710 discover_instruments (*plugs);
2712 // all fine if we get here
2713 au_remove_crashlog ();
2715 DEBUG_TRACE (DEBUG::PluginManager, string_compose ("AU: discovered %1 plugins\n", plugs->size()));
2721 AUPluginInfo::discover_music (PluginInfoList& plugs)
2723 CAComponentDescription desc;
2724 desc.componentFlags = 0;
2725 desc.componentFlagsMask = 0;
2726 desc.componentSubType = 0;
2727 desc.componentManufacturer = 0;
2728 desc.componentType = kAudioUnitType_MusicEffect;
2730 discover_by_description (plugs, desc);
2734 AUPluginInfo::discover_fx (PluginInfoList& plugs)
2736 CAComponentDescription desc;
2737 desc.componentFlags = 0;
2738 desc.componentFlagsMask = 0;
2739 desc.componentSubType = 0;
2740 desc.componentManufacturer = 0;
2741 desc.componentType = kAudioUnitType_Effect;
2743 discover_by_description (plugs, desc);
2747 AUPluginInfo::discover_generators (PluginInfoList& plugs)
2749 CAComponentDescription desc;
2750 desc.componentFlags = 0;
2751 desc.componentFlagsMask = 0;
2752 desc.componentSubType = 0;
2753 desc.componentManufacturer = 0;
2754 desc.componentType = kAudioUnitType_Generator;
2756 discover_by_description (plugs, desc);
2760 AUPluginInfo::discover_instruments (PluginInfoList& plugs)
2762 CAComponentDescription desc;
2763 desc.componentFlags = 0;
2764 desc.componentFlagsMask = 0;
2765 desc.componentSubType = 0;
2766 desc.componentManufacturer = 0;
2767 desc.componentType = kAudioUnitType_MusicDevice;
2769 discover_by_description (plugs, desc);
2774 AUPluginInfo::au_get_crashlog (std::string &msg)
2776 string fn = Glib::build_filename (ARDOUR::user_cache_directory(), "au_crashlog.txt");
2777 if (!Glib::file_test (fn, Glib::FILE_TEST_EXISTS)) {
2780 std::ifstream ifs(fn.c_str());
2781 msg.assign ((std::istreambuf_iterator<char>(ifs)), (std::istreambuf_iterator<char>()));
2782 au_remove_crashlog ();
2787 AUPluginInfo::au_start_crashlog ()
2789 string fn = Glib::build_filename (ARDOUR::user_cache_directory(), "au_crashlog.txt");
2790 assert(!_crashlog_fd);
2791 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("Creating AU Log: %1\n", fn));
2792 if (!(_crashlog_fd = fopen(fn.c_str(), "w"))) {
2793 PBD::error << "Cannot create AU error-log" << fn << "\n";
2794 cerr << "Cannot create AU error-log" << fn << "\n";
2799 AUPluginInfo::au_remove_crashlog ()
2802 ::fclose(_crashlog_fd);
2803 _crashlog_fd = NULL;
2805 string fn = Glib::build_filename (ARDOUR::user_cache_directory(), "au_crashlog.txt");
2806 ::g_unlink(fn.c_str());
2807 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("Remove AU Log: %1\n", fn));
2812 AUPluginInfo::au_crashlog (std::string msg)
2814 if (!_crashlog_fd) {
2815 fprintf(stderr, "AU: %s\n", msg.c_str());
2817 fprintf(_crashlog_fd, "AU: %s\n", msg.c_str());
2818 ::fflush(_crashlog_fd);
2823 AUPluginInfo::discover_by_description (PluginInfoList& plugs, CAComponentDescription& desc)
2825 ArdourComponent comp = 0;
2826 au_crashlog(string_compose("Start AU discovery for Type: %1", (int)desc.componentType));
2828 comp = ArdourFindNext (NULL, &desc);
2830 while (comp != NULL) {
2831 CAComponentDescription temp;
2833 GetComponentInfo (comp, &temp, NULL, NULL, NULL);
2835 AudioComponentGetDescription (comp, &temp);
2837 CFStringRef itemName = NULL;
2840 if (itemName != NULL) CFRelease(itemName);
2841 CFStringRef compTypeString = UTCreateStringForOSType(temp.componentType);
2842 CFStringRef compSubTypeString = UTCreateStringForOSType(temp.componentSubType);
2843 CFStringRef compManufacturerString = UTCreateStringForOSType(temp.componentManufacturer);
2844 itemName = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("%@ - %@ - %@"),
2845 compTypeString, compManufacturerString, compSubTypeString);
2846 au_crashlog(string_compose("Scanning ID: %1", CFStringRefToStdString(itemName)));
2847 if (compTypeString != NULL)
2848 CFRelease(compTypeString);
2849 if (compSubTypeString != NULL)
2850 CFRelease(compSubTypeString);
2851 if (compManufacturerString != NULL)
2852 CFRelease(compManufacturerString);
2855 if (is_blacklisted(CFStringRefToStdString(itemName))) {
2856 info << string_compose (_("Skipped blacklisted AU plugin %1 "), CFStringRefToStdString(itemName)) << endmsg;
2857 comp = ArdourFindNext (comp, &desc);
2861 bool has_midi_in = false;
2863 AUPluginInfoPtr info (new AUPluginInfo
2864 (boost::shared_ptr<CAComponentDescription> (new CAComponentDescription(temp))));
2866 /* although apple designed the subtype field to be a "category" indicator,
2867 its really turned into a plugin ID field for a given manufacturer. Hence
2868 there are no categories for AudioUnits. However, to keep the plugins
2869 showing up under "categories", we'll use the "type" as a high level
2872 NOTE: no panners, format converters or i/o AU's for our purposes
2875 switch (info->descriptor->Type()) {
2876 case kAudioUnitType_Panner:
2877 case kAudioUnitType_OfflineEffect:
2878 case kAudioUnitType_FormatConverter:
2879 comp = ArdourFindNext (comp, &desc);
2882 case kAudioUnitType_Output:
2883 info->category = _("AudioUnit Outputs");
2885 case kAudioUnitType_MusicDevice:
2886 info->category = _("AudioUnit Instruments");
2889 case kAudioUnitType_MusicEffect:
2890 info->category = _("AudioUnit MusicEffects");
2893 case kAudioUnitType_Effect:
2894 info->category = _("AudioUnit Effects");
2896 case kAudioUnitType_Mixer:
2897 info->category = _("AudioUnit Mixers");
2899 case kAudioUnitType_Generator:
2900 info->category = _("AudioUnit Generators");
2903 info->category = _("AudioUnit (Unknown)");
2907 au_blacklist(CFStringRefToStdString(itemName));
2909 get_names (temp, info->name, info->creator);
2911 get_names (comp, info->name, info->creator);
2913 ARDOUR::PluginScanMessage(_("AU"), info->name, false);
2914 au_crashlog(string_compose("Plugin: %1", info->name));
2916 info->type = ARDOUR::AudioUnit;
2917 info->unique_id = stringify_descriptor (*info->descriptor);
2919 /* XXX not sure of the best way to handle plugin versioning yet */
2921 CAComponent cacomp (*info->descriptor);
2924 if (cacomp.GetResourceVersion (info->version) != noErr)
2926 if (cacomp.GetVersion (info->version) != noErr)
2932 const int rv = cached_io_configuration (info->unique_id, info->version, cacomp, info->cache, info->name);
2935 /* here we have to map apple's wildcard system to a simple pair
2936 of values. in ::can_do() we use the whole system, but here
2937 we need a single pair of values. XXX probably means we should
2938 remove any use of these values.
2940 for now, if the plugin provides a wildcard, treat it as 1. we really
2941 don't care much, because whether we can handle an i/o configuration
2942 depends upon ::can_support_io_configuration(), not these counts.
2944 they exist because other parts of ardour try to present i/o configuration
2945 info to the user, which should perhaps be revisited.
2948 int32_t possible_in = info->cache.io_configs.front().first;
2949 int32_t possible_out = info->cache.io_configs.front().second;
2951 if (possible_in > 0) {
2952 info->n_inputs.set (DataType::AUDIO, possible_in);
2954 info->n_inputs.set (DataType::AUDIO, 1);
2957 info->n_inputs.set (DataType::MIDI, has_midi_in ? 1 : 0);
2959 if (possible_out > 0) {
2960 info->n_outputs.set (DataType::AUDIO, possible_out);
2962 info->n_outputs.set (DataType::AUDIO, 1);
2965 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("detected AU %1 with %2 i/o configurations - %3\n",
2966 info->name.c_str(), info->cache.io_configs.size(), info->unique_id));
2968 plugs.push_back (info);
2971 else if (rv == -1) {
2972 error << string_compose (_("Cannot get I/O configuration info for AU %1"), info->name) << endmsg;
2975 au_unblacklist(CFStringRefToStdString(itemName));
2976 au_crashlog("Success.");
2977 comp = ArdourFindNext (comp, &desc);
2978 if (itemName != NULL) CFRelease(itemName); itemName = NULL;
2980 au_crashlog(string_compose("End AU discovery for Type: %1", (int)desc.componentType));
2984 AUPluginInfo::cached_io_configuration (const std::string& unique_id,
2987 AUPluginCachedInfo& cinfo,
2988 const std::string& name)
2993 /* concatenate unique ID with version to provide a key for cached info lookup.
2994 this ensures we don't get stale information, or should if plugin developers
2995 follow Apple "guidelines".
2998 snprintf (buf, sizeof (buf), "%u", (uint32_t) version);
3003 CachedInfoMap::iterator cim = cached_info.find (id);
3005 if (cim != cached_info.end()) {
3006 cinfo = cim->second;
3011 PBD::info << string_compose (_("Skipping AU %1 (not indexed. Discover new plugins to add)"), name) << endmsg;
3016 AUChannelInfo* channel_info;
3020 ARDOUR::BootMessage (string_compose (_("Checking AudioUnit: %1"), name));
3024 if (CAAudioUnit::Open (comp, unit) != noErr) {
3030 warning << string_compose (_("Could not load AU plugin %1 - ignored"), name) << endmsg;
3035 DEBUG_TRACE (DEBUG::AudioUnits, "get AU channel info\n");
3036 if ((ret = unit.GetChannelInfo (&channel_info, cnt)) < 0) {
3042 /* no explicit info available, so default to 1in/1out */
3044 /* XXX this is wrong. we should be indicating wildcard values */
3046 cinfo.io_configs.push_back (pair<int,int> (-1, -1));
3049 /* store each configuration */
3050 if (comp.Desc().IsGenerator() || comp.Desc().IsMusicDevice()) {
3051 // incrementally add busses
3054 for (uint32_t n = 0; n < cnt; ++n) {
3055 in += channel_info[n].inChannels;
3056 out += channel_info[n].outChannels;
3057 cinfo.io_configs.push_back (pair<int,int> (in, out));
3060 for (uint32_t n = 0; n < cnt; ++n) {
3061 cinfo.io_configs.push_back (pair<int,int> (channel_info[n].inChannels,
3062 channel_info[n].outChannels));
3066 free (channel_info);
3069 add_cached_info (id, cinfo);
3070 save_cached_info ();
3076 AUPluginInfo::add_cached_info (const std::string& id, AUPluginCachedInfo& cinfo)
3078 cached_info[id] = cinfo;
3081 #define AU_CACHE_VERSION "2.0"
3084 AUPluginInfo::save_cached_info ()
3088 node = new XMLNode (X_("AudioUnitPluginCache"));
3089 node->add_property( "version", AU_CACHE_VERSION );
3091 for (map<string,AUPluginCachedInfo>::iterator i = cached_info.begin(); i != cached_info.end(); ++i) {
3092 XMLNode* parent = new XMLNode (X_("plugin"));
3093 parent->add_property ("id", i->first);
3094 node->add_child_nocopy (*parent);
3096 for (vector<pair<int, int> >::iterator j = i->second.io_configs.begin(); j != i->second.io_configs.end(); ++j) {
3098 XMLNode* child = new XMLNode (X_("io"));
3101 snprintf (buf, sizeof (buf), "%d", j->first);
3102 child->add_property (X_("in"), buf);
3103 snprintf (buf, sizeof (buf), "%d", j->second);
3104 child->add_property (X_("out"), buf);
3105 parent->add_child_nocopy (*child);
3110 Glib::ustring path = au_cache_path ();
3113 tree.set_root (node);
3115 if (!tree.write (path)) {
3116 error << string_compose (_("could not save AU cache to %1"), path) << endmsg;
3117 g_unlink (path.c_str());
3122 AUPluginInfo::load_cached_info ()
3124 Glib::ustring path = au_cache_path ();
3127 if (!Glib::file_test (path, Glib::FILE_TEST_EXISTS)) {
3131 if ( !tree.read (path) ) {
3132 error << "au_cache is not a valid XML file. AU plugins will be re-scanned" << endmsg;
3136 const XMLNode* root (tree.root());
3138 if (root->name() != X_("AudioUnitPluginCache")) {
3142 //initial version has incorrectly stored i/o info, and/or garbage chars.
3143 const XMLProperty* version = root->property(X_("version"));
3144 if (! ((version != NULL) && (version->value() == X_(AU_CACHE_VERSION)))) {
3145 error << "au_cache is not correct version. AU plugins will be re-scanned" << endmsg;
3149 cached_info.clear ();
3151 const XMLNodeList children = root->children();
3153 for (XMLNodeConstIterator iter = children.begin(); iter != children.end(); ++iter) {
3155 const XMLNode* child = *iter;
3157 if (child->name() == X_("plugin")) {
3159 const XMLNode* gchild;
3160 const XMLNodeList gchildren = child->children();
3161 const XMLProperty* prop = child->property (X_("id"));
3167 string id = prop->value();
3171 string::size_type slash = id.find_last_of ('/');
3173 if (slash == string::npos) {
3177 version = id.substr (slash);
3178 id = id.substr (0, slash);
3179 fixed = AUPlugin::maybe_fix_broken_au_id (id);
3181 if (fixed.empty()) {
3182 error << string_compose (_("Your AudioUnit configuration cache contains an AU plugin whose ID cannot be understood - ignored (%1)"), id) << endmsg;
3189 AUPluginCachedInfo cinfo;
3191 for (XMLNodeConstIterator giter = gchildren.begin(); giter != gchildren.end(); giter++) {
3195 if (gchild->name() == X_("io")) {
3199 const XMLProperty* iprop;
3200 const XMLProperty* oprop;
3202 if (((iprop = gchild->property (X_("in"))) != 0) &&
3203 ((oprop = gchild->property (X_("out"))) != 0)) {
3204 in = atoi (iprop->value());
3205 out = atoi (oprop->value());
3207 cinfo.io_configs.push_back (pair<int,int> (in, out));
3212 if (cinfo.io_configs.size()) {
3213 add_cached_info (id, cinfo);
3223 AUPluginInfo::stringify_descriptor (const CAComponentDescription& desc)
3227 /* note: OSType is a compiler-implemenation-defined value,
3228 historically a 32 bit integer created with a multi-character
3229 constant such as 'abcd'. It is, fundamentally, an abomination.
3234 s << desc.SubType();
3242 AUPluginInfo::needs_midi_input () const
3244 return is_effect_with_midi_input () || is_instrument ();
3248 AUPluginInfo::is_effect () const
3250 return is_effect_without_midi_input() || is_effect_with_midi_input();
3254 AUPluginInfo::is_effect_without_midi_input () const
3256 return descriptor->IsAUFX();
3260 AUPluginInfo::is_effect_with_midi_input () const
3262 return descriptor->IsAUFM();
3266 AUPluginInfo::is_instrument () const
3268 return descriptor->IsMusicDevice();
3272 AUPlugin::set_info (PluginInfoPtr info)
3274 Plugin::set_info (info);
3276 AUPluginInfoPtr pinfo = boost::dynamic_pointer_cast<AUPluginInfo>(get_info());
3277 _has_midi_input = pinfo->needs_midi_input ();
3278 _has_midi_output = false;
3282 AUPlugin::create_parameter_listener (AUEventListenerProc cb, void* arg, float interval_secs)
3285 CFRunLoopRef run_loop = (CFRunLoopRef) GetCFRunLoopFromEventLoop(GetCurrentEventLoop());
3287 CFRunLoopRef run_loop = CFRunLoopGetCurrent();
3289 CFStringRef loop_mode = kCFRunLoopDefaultMode;
3291 if (AUEventListenerCreate (cb, arg, run_loop, loop_mode, interval_secs, interval_secs, &_parameter_listener) != noErr) {
3295 _parameter_listener_arg = arg;
3301 AUPlugin::listen_to_parameter (uint32_t param_id)
3303 AudioUnitEvent event;
3305 if (!_parameter_listener || param_id >= descriptors.size()) {
3309 event.mEventType = kAudioUnitEvent_ParameterValueChange;
3310 event.mArgument.mParameter.mAudioUnit = unit->AU();
3311 event.mArgument.mParameter.mParameterID = descriptors[param_id].id;
3312 event.mArgument.mParameter.mScope = descriptors[param_id].scope;
3313 event.mArgument.mParameter.mElement = descriptors[param_id].element;
3315 if (AUEventListenerAddEventType (_parameter_listener, _parameter_listener_arg, &event) != noErr) {
3319 event.mEventType = kAudioUnitEvent_BeginParameterChangeGesture;
3320 event.mArgument.mParameter.mAudioUnit = unit->AU();
3321 event.mArgument.mParameter.mParameterID = descriptors[param_id].id;
3322 event.mArgument.mParameter.mScope = descriptors[param_id].scope;
3323 event.mArgument.mParameter.mElement = descriptors[param_id].element;
3325 if (AUEventListenerAddEventType (_parameter_listener, _parameter_listener_arg, &event) != noErr) {
3329 event.mEventType = kAudioUnitEvent_EndParameterChangeGesture;
3330 event.mArgument.mParameter.mAudioUnit = unit->AU();
3331 event.mArgument.mParameter.mParameterID = descriptors[param_id].id;
3332 event.mArgument.mParameter.mScope = descriptors[param_id].scope;
3333 event.mArgument.mParameter.mElement = descriptors[param_id].element;
3335 if (AUEventListenerAddEventType (_parameter_listener, _parameter_listener_arg, &event) != noErr) {
3343 AUPlugin::end_listen_to_parameter (uint32_t param_id)
3345 AudioUnitEvent event;
3347 if (!_parameter_listener || param_id >= descriptors.size()) {
3351 event.mEventType = kAudioUnitEvent_ParameterValueChange;
3352 event.mArgument.mParameter.mAudioUnit = unit->AU();
3353 event.mArgument.mParameter.mParameterID = descriptors[param_id].id;
3354 event.mArgument.mParameter.mScope = descriptors[param_id].scope;
3355 event.mArgument.mParameter.mElement = descriptors[param_id].element;
3357 if (AUEventListenerRemoveEventType (_parameter_listener, _parameter_listener_arg, &event) != noErr) {
3361 event.mEventType = kAudioUnitEvent_BeginParameterChangeGesture;
3362 event.mArgument.mParameter.mAudioUnit = unit->AU();
3363 event.mArgument.mParameter.mParameterID = descriptors[param_id].id;
3364 event.mArgument.mParameter.mScope = descriptors[param_id].scope;
3365 event.mArgument.mParameter.mElement = descriptors[param_id].element;
3367 if (AUEventListenerRemoveEventType (_parameter_listener, _parameter_listener_arg, &event) != noErr) {
3371 event.mEventType = kAudioUnitEvent_EndParameterChangeGesture;
3372 event.mArgument.mParameter.mAudioUnit = unit->AU();
3373 event.mArgument.mParameter.mParameterID = descriptors[param_id].id;
3374 event.mArgument.mParameter.mScope = descriptors[param_id].scope;
3375 event.mArgument.mParameter.mElement = descriptors[param_id].element;
3377 if (AUEventListenerRemoveEventType (_parameter_listener, _parameter_listener_arg, &event) != noErr) {
3385 AUPlugin::_parameter_change_listener (void* arg, void* src, const AudioUnitEvent* event, UInt64 host_time, Float32 new_value)
3387 ((AUPlugin*) arg)->parameter_change_listener (arg, src, event, host_time, new_value);
3391 AUPlugin::parameter_change_listener (void* /*arg*/, void* src, const AudioUnitEvent* event, UInt64 /*host_time*/, Float32 new_value)
3393 ParameterMap::iterator i;
3395 if ((i = parameter_map.find (event->mArgument.mParameter.mParameterID)) == parameter_map.end()) {
3399 switch (event->mEventType) {
3400 case kAudioUnitEvent_BeginParameterChangeGesture:
3401 StartTouch (i->second);
3403 case kAudioUnitEvent_EndParameterChangeGesture:
3404 EndTouch (i->second);
3406 case kAudioUnitEvent_ParameterValueChange:
3407 /* whenever we change a parameter, we request that we are NOT notified of the change, so anytime we arrive here, it
3408 means that something else (i.e. the plugin GUI) made the change.
3410 ParameterChangedExternally (i->second, new_value);