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)
446 , frames_processed (0)
447 , audio_input_cnt (0)
448 , _parameter_listener (0)
449 , _parameter_listener_arg (0)
450 , last_transport_rolling (false)
451 , last_transport_speed (0.0)
453 if (!preset_search_path_initialized) {
454 Glib::ustring p = Glib::get_home_dir();
455 p += "/Library/Audio/Presets:";
456 p += preset_search_path;
457 preset_search_path = p;
458 preset_search_path_initialized = true;
459 DEBUG_TRACE (DEBUG::AudioUnits, string_compose("AU Preset Path: %1\n", preset_search_path));
466 AUPlugin::AUPlugin (const AUPlugin& other)
468 , comp (other.get_comp())
469 , unit (new CAAudioUnit)
470 , initialized (false)
471 , _current_block_size (0)
473 , _requires_fixed_size_buffers (false)
475 , variable_inputs (false)
476 , variable_outputs (false)
477 , configured_input_busses (0)
478 , configured_output_busses (0)
485 , frames_processed (0)
486 , _parameter_listener (0)
487 , _parameter_listener_arg (0)
491 for (size_t i = 0; i < descriptors.size(); ++i) {
492 set_parameter (i, other.get_parameter (i));
496 AUPlugin::~AUPlugin ()
498 if (_parameter_listener) {
499 AUListenerDispose (_parameter_listener);
500 _parameter_listener = 0;
504 DEBUG_TRACE (DEBUG::AudioUnits, "about to call uninitialize in plugin destructor\n");
505 unit->Uninitialize ();
514 AUPlugin::discover_factory_presets ()
521 if ((err = unit->GetPropertyInfo (kAudioUnitProperty_FactoryPresets, kAudioUnitScope_Global, 0, &dataSize, &isWritable)) != 0) {
522 DEBUG_TRACE (DEBUG::AudioUnits, "no factory presets for AU\n");
526 assert (dataSize == sizeof (presets));
528 if ((err = unit->GetProperty (kAudioUnitProperty_FactoryPresets, kAudioUnitScope_Global, 0, (void*) &presets, &dataSize)) != 0) {
529 error << string_compose (_("cannot get factory preset info: errcode %1"), err) << endmsg;
537 CFIndex cnt = CFArrayGetCount (presets);
539 for (CFIndex i = 0; i < cnt; ++i) {
540 AUPreset* preset = (AUPreset*) CFArrayGetValueAtIndex (presets, i);
542 string name = CFStringRefToStdString (preset->presetName);
543 factory_preset_map[name] = preset->presetNumber;
544 DEBUG_TRACE (DEBUG::AudioUnits, string_compose("AU Factory Preset: %1 > %2\n", name, preset->presetNumber));
554 CFStringRef itemName;
556 /* these keep track of *configured* channel set up,
557 not potential set ups.
561 output_channels = -1;
563 CAComponentDescription temp;
565 GetComponentInfo (comp.get()->Comp(), &temp, NULL, NULL, NULL);
567 AudioComponentGetDescription (comp.get()->Comp(), &temp);
569 CFStringRef compTypeString = UTCreateStringForOSType(temp.componentType);
570 CFStringRef compSubTypeString = UTCreateStringForOSType(temp.componentSubType);
571 CFStringRef compManufacturerString = UTCreateStringForOSType(temp.componentManufacturer);
572 itemName = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("%@ - %@ - %@"),
573 compTypeString, compManufacturerString, compSubTypeString);
574 if (compTypeString != NULL) CFRelease(compTypeString);
575 if (compSubTypeString != NULL) CFRelease(compSubTypeString);
576 if (compManufacturerString != NULL) CFRelease(compManufacturerString);
579 au_blacklist(CFStringRefToStdString(itemName));
582 DEBUG_TRACE (DEBUG::AudioUnits, "opening AudioUnit\n");
583 err = CAAudioUnit::Open (*(comp.get()), *unit);
585 error << _("Exception thrown during AudioUnit plugin loading - plugin ignored") << endmsg;
586 throw failed_constructor();
590 error << _("AudioUnit: Could not convert CAComponent to CAAudioUnit") << endmsg;
591 throw failed_constructor ();
594 DEBUG_TRACE (DEBUG::AudioUnits, "count global elements\n");
595 unit->GetElementCount (kAudioUnitScope_Global, global_elements);
596 DEBUG_TRACE (DEBUG::AudioUnits, "count input elements\n");
597 unit->GetElementCount (kAudioUnitScope_Input, input_elements);
598 DEBUG_TRACE (DEBUG::AudioUnits, "count output elements\n");
599 unit->GetElementCount (kAudioUnitScope_Output, output_elements);
601 bus_inputs = (uint32_t*) calloc (input_elements, sizeof(uint32_t));
602 bus_outputs = (uint32_t*) calloc (output_elements, sizeof(uint32_t));
604 for (size_t i = 0; i < output_elements; ++i) {
605 AudioUnitReset (unit->AU(), kAudioUnitScope_Output, i);
606 AudioStreamBasicDescription fmt;
607 UInt32 sz = sizeof(AudioStreamBasicDescription);
608 err = AudioUnitGetProperty(unit->AU(), kAudioUnitProperty_StreamFormat, kAudioUnitScope_Output, i, &fmt, &sz);
610 bus_outputs[i] = fmt.mChannelsPerFrame;
613 sz = sizeof (CFStringRef);
614 if (AudioUnitGetProperty (unit->AU(), kAudioUnitProperty_ElementName, kAudioUnitScope_Output,
615 i, &name, &sz) == noErr
617 _bus_name_out.push_back (CFStringRefToStdString (name));
620 _bus_name_out.push_back (string_compose ("Audio-Bus %1", i));
624 for (size_t i = 0; i < input_elements; ++i) {
625 AudioUnitReset (unit->AU(), kAudioUnitScope_Input, i);
626 AudioStreamBasicDescription fmt;
627 UInt32 sz = sizeof(AudioStreamBasicDescription);
628 err = AudioUnitGetProperty(unit->AU(), kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input, i, &fmt, &sz);
630 bus_inputs[i] = fmt.mChannelsPerFrame;
633 sz = sizeof (CFStringRef);
634 if (AudioUnitGetProperty (unit->AU(), kAudioUnitProperty_ElementName, kAudioUnitScope_Input,
635 i, &name, &sz) == noErr
637 _bus_name_in.push_back (CFStringRefToStdString (name));
640 _bus_name_in.push_back (string_compose ("Audio-Bus %1", i));
644 for (size_t i = 0; i < input_elements; ++i) {
645 /* setup render callback: the plugin calls this to get input data */
646 AURenderCallbackStruct renderCallbackInfo;
647 renderCallbackInfo.inputProc = _render_callback;
648 renderCallbackInfo.inputProcRefCon = this;
649 DEBUG_TRACE (DEBUG::AudioUnits, "set render callback in input scope\n");
650 if ((err = unit->SetProperty (kAudioUnitProperty_SetRenderCallback, kAudioUnitScope_Input,
651 i, (void*) &renderCallbackInfo, sizeof(renderCallbackInfo))) != 0) {
652 error << string_compose (_("cannot install render callback (err = %1)"), err) << endmsg;
653 throw failed_constructor();
657 /* tell the plugin about tempo/meter/transport callbacks in case it wants them */
659 HostCallbackInfo info;
660 memset (&info, 0, sizeof (HostCallbackInfo));
661 info.hostUserData = this;
662 info.beatAndTempoProc = _get_beat_and_tempo_callback;
663 info.musicalTimeLocationProc = _get_musical_time_location_callback;
664 info.transportStateProc = _get_transport_state_callback;
666 //ignore result of this - don't care if the property isn't supported
667 DEBUG_TRACE (DEBUG::AudioUnits, "set host callbacks in global scope\n");
668 unit->SetProperty (kAudioUnitProperty_HostCallbacks,
669 kAudioUnitScope_Global,
672 sizeof (HostCallbackInfo));
674 if (set_block_size (_session.get_block_size())) {
675 error << _("AUPlugin: cannot set processing block size") << endmsg;
676 throw failed_constructor();
679 create_parameter_listener (AUPlugin::_parameter_change_listener, this, 0.05);
680 discover_parameters ();
681 discover_factory_presets ();
683 // Plugin::setup_controls ();
685 au_unblacklist(CFStringRefToStdString(itemName));
686 if (itemName != NULL) CFRelease(itemName);
690 AUPlugin::discover_parameters ()
692 /* discover writable parameters */
694 AudioUnitScope scopes[] = {
695 kAudioUnitScope_Global,
696 kAudioUnitScope_Output,
697 kAudioUnitScope_Input
700 descriptors.clear ();
702 for (uint32_t i = 0; i < sizeof (scopes) / sizeof (scopes[0]); ++i) {
704 AUParamInfo param_info (unit->AU(), false, /* include read only */ true, scopes[i]);
706 for (uint32_t i = 0; i < param_info.NumParams(); ++i) {
708 AUParameterDescriptor d;
710 d.id = param_info.ParamID (i);
712 const CAAUParameter* param = param_info.GetParamInfo (d.id);
713 const AudioUnitParameterInfo& info (param->ParamInfo());
715 const int len = CFStringGetLength (param->GetName());
716 char local_buffer[len*2];
717 Boolean good = CFStringGetCString (param->GetName(), local_buffer ,len*2 , kCFStringEncodingUTF8);
721 d.label = local_buffer;
724 d.scope = param_info.GetScope ();
725 d.element = param_info.GetElement ();
727 /* info.units to consider */
729 kAudioUnitParameterUnit_Generic = 0
730 kAudioUnitParameterUnit_Indexed = 1
731 kAudioUnitParameterUnit_Boolean = 2
732 kAudioUnitParameterUnit_Percent = 3
733 kAudioUnitParameterUnit_Seconds = 4
734 kAudioUnitParameterUnit_SampleFrames = 5
735 kAudioUnitParameterUnit_Phase = 6
736 kAudioUnitParameterUnit_Rate = 7
737 kAudioUnitParameterUnit_Hertz = 8
738 kAudioUnitParameterUnit_Cents = 9
739 kAudioUnitParameterUnit_RelativeSemiTones = 10
740 kAudioUnitParameterUnit_MIDINoteNumber = 11
741 kAudioUnitParameterUnit_MIDIController = 12
742 kAudioUnitParameterUnit_Decibels = 13
743 kAudioUnitParameterUnit_LinearGain = 14
744 kAudioUnitParameterUnit_Degrees = 15
745 kAudioUnitParameterUnit_EqualPowerCrossfade = 16
746 kAudioUnitParameterUnit_MixerFaderCurve1 = 17
747 kAudioUnitParameterUnit_Pan = 18
748 kAudioUnitParameterUnit_Meters = 19
749 kAudioUnitParameterUnit_AbsoluteCents = 20
750 kAudioUnitParameterUnit_Octaves = 21
751 kAudioUnitParameterUnit_BPM = 22
752 kAudioUnitParameterUnit_Beats = 23
753 kAudioUnitParameterUnit_Milliseconds = 24
754 kAudioUnitParameterUnit_Ratio = 25
757 /* info.flags to consider */
761 kAudioUnitParameterFlag_CFNameRelease = (1L << 4)
762 kAudioUnitParameterFlag_HasClump = (1L << 20)
763 kAudioUnitParameterFlag_HasName = (1L << 21)
764 kAudioUnitParameterFlag_DisplayLogarithmic = (1L << 22)
765 kAudioUnitParameterFlag_IsHighResolution = (1L << 23)
766 kAudioUnitParameterFlag_NonRealTime = (1L << 24)
767 kAudioUnitParameterFlag_CanRamp = (1L << 25)
768 kAudioUnitParameterFlag_ExpertMode = (1L << 26)
769 kAudioUnitParameterFlag_HasCFNameString = (1L << 27)
770 kAudioUnitParameterFlag_IsGlobalMeta = (1L << 28)
771 kAudioUnitParameterFlag_IsElementMeta = (1L << 29)
772 kAudioUnitParameterFlag_IsReadable = (1L << 30)
773 kAudioUnitParameterFlag_IsWritable = (1L << 31)
776 d.lower = info.minValue;
777 d.upper = info.maxValue;
778 d.normal = info.defaultValue;
780 d.integer_step = (info.unit == kAudioUnitParameterUnit_Indexed);
781 d.toggled = (info.unit == kAudioUnitParameterUnit_Boolean) ||
782 (d.integer_step && ((d.upper - d.lower) == 1.0));
783 d.sr_dependent = (info.unit == kAudioUnitParameterUnit_SampleFrames);
784 d.automatable = /* !d.toggled && -- ardour can automate toggles, can AU ? */
785 !(info.flags & kAudioUnitParameterFlag_NonRealTime) &&
786 (info.flags & kAudioUnitParameterFlag_IsWritable);
788 d.logarithmic = (info.flags & kAudioUnitParameterFlag_DisplayLogarithmic);
789 d.au_unit = info.unit;
791 case kAudioUnitParameterUnit_Decibels:
792 d.unit = ParameterDescriptor::DB;
794 case kAudioUnitParameterUnit_MIDINoteNumber:
795 d.unit = ParameterDescriptor::MIDI_NOTE;
797 case kAudioUnitParameterUnit_Hertz:
798 d.unit = ParameterDescriptor::HZ;
802 d.min_unbound = 0; // lower is bound
803 d.max_unbound = 0; // upper is bound
806 descriptors.push_back (d);
808 uint32_t last_param = descriptors.size() - 1;
809 parameter_map.insert (pair<uint32_t,uint32_t> (d.id, last_param));
810 listen_to_parameter (last_param);
817 four_ints_to_four_byte_literal (unsigned char n[4])
819 /* this is actually implementation dependent. sigh. this is what gcc
820 and quite a few others do.
822 return ((n[0] << 24) + (n[1] << 16) + (n[2] << 8) + n[3]);
826 AUPlugin::maybe_fix_broken_au_id (const std::string& id)
828 if (isdigit (id[0])) {
832 /* ID format is xxxx-xxxx-xxxx
833 where x maybe \xNN or a printable character.
835 Split at the '-' and and process each part into an integer.
836 Then put it back together.
840 unsigned char nascent[4];
841 const char* cstr = id.c_str();
842 const char* estr = cstr + id.size();
853 while (*cstr && next_int < 4) {
857 if (estr - cstr < 3) {
859 /* too close to the end for \xNN parsing: treat as literal characters */
867 if (cstr[1] == 'x' && isxdigit (cstr[2]) && isxdigit (cstr[3])) {
871 memcpy (short_buf, &cstr[2], 2);
872 nascent[in] = strtol (short_buf, NULL, 16);
878 /* treat as literal characters */
892 if (in && (in % 4 == 0)) {
893 /* nascent is ready */
894 n[next_int] = four_ints_to_four_byte_literal (nascent);
898 /* swallow space-hyphen-space */
912 s << n[0] << '-' << n[1] << '-' << n[2];
921 AUPlugin::unique_id () const
923 return AUPluginInfo::stringify_descriptor (comp->Desc());
927 AUPlugin::label () const
929 return _info->name.c_str();
933 AUPlugin::parameter_count () const
935 return descriptors.size();
939 AUPlugin::default_value (uint32_t port)
941 if (port < descriptors.size()) {
942 return descriptors[port].normal;
949 AUPlugin::signal_latency () const
951 return unit->Latency() * _session.frame_rate();
955 AUPlugin::set_parameter (uint32_t which, float val)
957 if (which >= descriptors.size()) {
961 if (get_parameter(which) == val) {
965 const AUParameterDescriptor& d (descriptors[which]);
966 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("set parameter %1 in scope %2 element %3 to %4\n", d.id, d.scope, d.element, val));
967 unit->SetParameter (d.id, d.scope, d.element, val);
969 /* tell the world what we did */
971 AudioUnitEvent theEvent;
973 theEvent.mEventType = kAudioUnitEvent_ParameterValueChange;
974 theEvent.mArgument.mParameter.mAudioUnit = unit->AU();
975 theEvent.mArgument.mParameter.mParameterID = d.id;
976 theEvent.mArgument.mParameter.mScope = d.scope;
977 theEvent.mArgument.mParameter.mElement = d.element;
979 DEBUG_TRACE (DEBUG::AudioUnits, "notify about parameter change\n");
980 /* Note the 1st argument, which means "Don't notify us about a change we made ourselves" */
981 AUEventListenerNotify (_parameter_listener, NULL, &theEvent);
983 Plugin::set_parameter (which, val);
987 AUPlugin::get_parameter (uint32_t which) const
990 if (which < descriptors.size()) {
991 const AUParameterDescriptor& d (descriptors[which]);
992 // DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("get value of parameter %1 in scope %2 element %3\n", d.id, d.scope, d.element));
993 unit->GetParameter(d.id, d.scope, d.element, val);
999 AUPlugin::get_parameter_descriptor (uint32_t which, ParameterDescriptor& pd) const
1001 if (which < descriptors.size()) {
1002 pd = descriptors[which];
1009 AUPlugin::nth_parameter (uint32_t which, bool& ok) const
1011 if (which < descriptors.size()) {
1020 AUPlugin::activate ()
1024 DEBUG_TRACE (DEBUG::AudioUnits, "call Initialize in activate()\n");
1025 if ((err = unit->Initialize()) != noErr) {
1026 error << string_compose (_("AUPlugin: %1 cannot initialize plugin (err = %2)"), name(), err) << endmsg;
1028 frames_processed = 0;
1035 AUPlugin::deactivate ()
1037 DEBUG_TRACE (DEBUG::AudioUnits, "call Uninitialize in deactivate()\n");
1038 unit->Uninitialize ();
1039 initialized = false;
1045 DEBUG_TRACE (DEBUG::AudioUnits, "call Reset in flush()\n");
1046 unit->GlobalReset ();
1050 AUPlugin::requires_fixed_size_buffers() const
1052 return _requires_fixed_size_buffers;
1057 AUPlugin::set_block_size (pframes_t nframes)
1059 bool was_initialized = initialized;
1060 UInt32 numFrames = nframes;
1067 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("set MaximumFramesPerSlice in global scope to %1\n", numFrames));
1068 if ((err = unit->SetProperty (kAudioUnitProperty_MaximumFramesPerSlice, kAudioUnitScope_Global,
1069 0, &numFrames, sizeof (numFrames))) != noErr) {
1070 error << string_compose (_("AU: cannot set max frames (err = %1)"), err) << endmsg;
1074 if (was_initialized) {
1078 _current_block_size = nframes;
1084 AUPlugin::configure_io (ChanCount in, ChanCount out)
1086 AudioStreamBasicDescription streamFormat;
1087 bool was_initialized = initialized;
1088 int32_t audio_out = out.n_audio();
1089 if (audio_input_cnt > 0) {
1090 in.set (DataType::AUDIO, audio_input_cnt);
1092 const int32_t audio_in = in.n_audio();
1094 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("configure %1 for %2 in %3 out\n", name(), in, out));
1097 //if we are already running with the requested i/o config, bail out here
1098 if ( (audio_in==input_channels) && (audio_out==output_channels) ) {
1105 streamFormat.mSampleRate = _session.frame_rate();
1106 streamFormat.mFormatID = kAudioFormatLinearPCM;
1107 streamFormat.mFormatFlags = kAudioFormatFlagIsFloat|kAudioFormatFlagIsPacked|kAudioFormatFlagIsNonInterleaved;
1109 #ifdef __LITTLE_ENDIAN__
1112 streamFormat.mFormatFlags |= kAudioFormatFlagIsBigEndian;
1115 streamFormat.mBitsPerChannel = 32;
1116 streamFormat.mFramesPerPacket = 1;
1118 /* apple says that for non-interleaved data, these
1119 * values always refer to a single channel.
1121 streamFormat.mBytesPerPacket = 4;
1122 streamFormat.mBytesPerFrame = 4;
1124 configured_input_busses = 0;
1125 configured_output_busses = 0;
1127 for (size_t i = 0; i < output_elements; ++i) {
1128 AudioUnitReset (unit->AU(), kAudioUnitScope_Output, i);
1130 for (size_t i = 0; i < input_elements; ++i) {
1131 AudioUnitReset (unit->AU(), kAudioUnitScope_Input, i);
1134 /* now assign the channels to available busses */
1135 uint32_t used_in = 0;
1136 uint32_t used_out = 0;
1138 if (variable_inputs) {
1139 // we only ever use the first bus
1140 if (input_elements > 1) {
1141 warning << string_compose (_("AU %1 has multiple input busses and variable port count."), name()) << endmsg;
1143 streamFormat.mChannelsPerFrame = audio_in;
1144 if (set_stream_format (kAudioUnitScope_Input, 0, streamFormat) != 0) {
1147 configured_input_busses = 1;
1150 configured_input_busses = 0;
1151 uint32_t remain = audio_in;
1152 for (uint32_t bus = 0; remain > 0 && bus < input_elements; ++bus) {
1153 uint32_t cnt = std::min (remain, bus_inputs[bus]);
1154 if (cnt == 0) { continue; }
1155 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1 configure input bus: %2 chn: %3", name(), bus, cnt));
1157 streamFormat.mChannelsPerFrame = cnt;
1158 if (set_stream_format (kAudioUnitScope_Input, bus, streamFormat) != 0) {
1162 ++configured_input_busses;
1167 if (variable_outputs) {
1168 if (output_elements > 1) {
1169 warning << string_compose (_("AU %1 has multiple output busses and variable port count."), name()) << endmsg;
1172 streamFormat.mChannelsPerFrame = audio_out;
1173 if (set_stream_format (kAudioUnitScope_Output, 0, streamFormat) != 0) {
1176 configured_output_busses = 1;
1177 used_out = audio_out;
1179 uint32_t remain = audio_out;
1180 configured_output_busses = 0;
1181 for (uint32_t bus = 0; remain > 0 && bus < output_elements; ++bus) {
1182 uint32_t cnt = std::min (remain, bus_outputs[bus]);
1183 if (cnt == 0) { continue; }
1184 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1 configure output bus: %2 chn: %3", name(), bus, cnt));
1185 streamFormat.mChannelsPerFrame = cnt;
1186 if (set_stream_format (kAudioUnitScope_Output, bus, streamFormat) != 0) {
1191 ++configured_output_busses;
1196 buffers = (AudioBufferList *) malloc (offsetof(AudioBufferList, mBuffers) +
1197 used_out * sizeof(::AudioBuffer));
1199 input_channels = used_in;
1200 output_channels = used_out;
1201 /* reset plugin info to show currently configured state */
1203 _info->n_inputs = in;
1204 _info->n_outputs = out;
1206 if (was_initialized) {
1214 AUPlugin::input_streams() const
1217 if (input_channels < 0) {
1218 // force PluginIoReConfigure -- see also commit msg e38eb06
1219 c.set (DataType::AUDIO, 0);
1220 c.set (DataType::MIDI, 0);
1222 c.set (DataType::AUDIO, input_channels);
1223 c.set (DataType::MIDI, _has_midi_input ? 1 : 0);
1230 AUPlugin::output_streams() const
1233 if (output_channels < 0) {
1234 // force PluginIoReConfigure - see also commit msg e38eb06
1235 c.set (DataType::AUDIO, 0);
1236 c.set (DataType::MIDI, 0);
1238 c.set (DataType::AUDIO, output_channels);
1239 c.set (DataType::MIDI, _has_midi_output ? 1 : 0);
1245 AUPlugin::can_support_io_configuration (const ChanCount& in, ChanCount& out, ChanCount* imprecise)
1247 _output_configs.clear ();
1248 const int32_t audio_in = in.n_audio();
1249 AUPluginInfoPtr pinfo = boost::dynamic_pointer_cast<AUPluginInfo>(get_info());
1251 /* lets check MIDI first */
1253 if (in.n_midi() > 0 && !_has_midi_input && !imprecise) {
1257 vector<pair<int,int> >& io_configs = pinfo->cache.io_configs;
1259 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1 has %2 IO configurations, looking for %3 in, %4 out\n",
1260 name(), io_configs.size(), in, out));
1263 printf ("AU I/O Configs %s %d\n", name().c_str(), io_configs.size());
1264 for (vector<pair<int,int> >::iterator i = io_configs.begin(); i != io_configs.end(); ++i) {
1265 printf ("- I/O %d / %d\n", i->first, i->second);
1269 // preferred setting (provided by plugin_insert)
1270 const int preferred_out = out.n_audio ();
1272 bool exact_match = false;
1274 /* kAudioUnitProperty_SupportedNumChannels
1275 * https://developer.apple.com/library/mac/documentation/MusicAudio/Conceptual/AudioUnitProgrammingGuide/TheAudioUnit/TheAudioUnit.html#//apple_ref/doc/uid/TP40003278-CH12-SW20
1277 * - both fields are -1
1278 * e.g. inChannels = -1 outChannels = -1
1279 * This is the default case. Any number of input and output channels, as long as the numbers match
1281 * - one field is -1, the other field is positive
1282 * e.g. inChannels = -1 outChannels = 2
1283 * Any number of input channels, exactly two output channels
1285 * - one field is -1, the other field is -2
1286 * e.g. inChannels = -1 outChannels = -2
1287 * Any number of input channels, any number of output channels
1289 * - both fields have non-negative values
1290 * e.g. inChannels = 2 outChannels = 6
1291 * Exactly two input channels, exactly six output channels
1292 * e.g. inChannels = 0 outChannels = 2
1293 * No input channels, exactly two output channels (such as for an instrument unit with stereo output)
1295 * - both fields have negative values, neither of which is –1 or –2
1296 * e.g. inChannels = -4 outChannels = -8
1297 * Up to four input channels and up to eight output channels
1300 for (vector<pair<int,int> >::iterator i = io_configs.begin(); i != io_configs.end(); ++i) {
1302 int32_t possible_in = i->first;
1303 int32_t possible_out = i->second;
1305 if ((possible_in == audio_in) && (possible_out == preferred_out)) {
1306 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("\tCHOSEN: %1 in %2 out to match in %3 out %4\n",
1307 possible_in, possible_out,
1311 _output_configs.insert (preferred_out);
1318 /* now allow potentially "imprecise" matches */
1319 int32_t audio_out = -1;
1320 float penalty = 9999;
1321 int used_possible_in = 0;
1322 #if defined (__clang__)
1323 # pragma clang diagnostic push
1324 # pragma clang diagnostic ignored "-Wtautological-compare"
1327 #define FOUNDCFG(nch) { \
1328 float p = fabsf ((float)(nch) - preferred_out); \
1329 _output_configs.insert (nch); \
1330 if ((nch) > preferred_out) { p *= 1.1; } \
1331 if (p < penalty) { \
1332 used_possible_in = possible_in; \
1333 audio_out = (nch); \
1336 variable_inputs = possible_in < 0; \
1337 variable_outputs = possible_out < 0; \
1341 #define ANYTHINGGOES \
1342 _output_configs.insert (0);
1344 #define UPTO(nch) { \
1345 for (int n = 1; n < nch; ++n) { \
1346 _output_configs.insert (n); \
1350 for (vector<pair<int,int> >::iterator i = io_configs.begin(); i != io_configs.end(); ++i) {
1352 int32_t possible_in = i->first;
1353 int32_t possible_out = i->second;
1355 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("\tpossible in %1 possible out %2\n", possible_in, possible_out));
1357 if (possible_out == 0) {
1358 warning << string_compose (_("AU %1 has zero outputs - configuration ignored"), name()) << endmsg;
1359 /* XXX surely this is just a send? (e.g. AUNetSend) */
1363 if (possible_in == 0) {
1364 /* no inputs, generators & instruments */
1365 if (possible_out == -1) {
1366 /* any configuration possible, provide stereo output */
1367 FOUNDCFG (preferred_out);
1369 } else if (possible_out == -2) {
1370 /* invalid, should be (0, -1) */
1371 FOUNDCFG (preferred_out);
1373 } else if (possible_out < -2) {
1374 /* variable number of outputs up to -N, */
1375 FOUNDCFG (min (-possible_out, preferred_out));
1376 UPTO (-possible_out);
1378 /* exact number of outputs */
1379 FOUNDCFG (possible_out);
1383 if (possible_in == -1) {
1384 /* wildcard for input */
1385 if (possible_out == -1) {
1386 /* out must match in */
1387 FOUNDCFG (audio_in);
1388 } else if (possible_out == -2) {
1389 /* any configuration possible, pick matching */
1390 FOUNDCFG (preferred_out);
1392 } else if (possible_out < -2) {
1393 /* explicitly variable number of outputs, pick maximum */
1394 FOUNDCFG (max (-possible_out, preferred_out));
1395 /* and try min, too, in case the penalty is lower */
1396 FOUNDCFG (min (-possible_out, preferred_out));
1397 UPTO (-possible_out)
1399 /* exact number of outputs */
1400 FOUNDCFG (possible_out);
1404 if (possible_in == -2) {
1405 if (possible_out == -1) {
1406 /* any configuration possible, pick matching */
1407 FOUNDCFG (preferred_out);
1409 } else if (possible_out == -2) {
1410 /* invalid. interpret as (-1, -1) */
1411 FOUNDCFG (preferred_out);
1413 } else if (possible_out < -2) {
1414 /* invalid, interpret as (<-2, <-2)
1415 * variable number of outputs up to -N, */
1416 FOUNDCFG (min (-possible_out, preferred_out));
1417 UPTO (-possible_out)
1419 /* exact number of outputs */
1420 FOUNDCFG (possible_out);
1424 if (possible_in < -2) {
1425 /* explicit variable number of inputs */
1426 if (audio_in > -possible_in && imprecise != NULL) {
1427 // hide inputs ports
1428 imprecise->set (DataType::AUDIO, -possible_in);
1431 if (audio_in > -possible_in && imprecise == NULL) {
1432 /* request is too large */
1433 } else if (possible_out == -1) {
1434 /* any output configuration possible */
1435 FOUNDCFG (preferred_out);
1437 } else if (possible_out == -2) {
1438 /* invalid. interpret as (<-2, -1) */
1439 FOUNDCFG (preferred_out);
1441 } else if (possible_out < -2) {
1442 /* variable number of outputs up to -N, */
1443 FOUNDCFG (min (-possible_out, preferred_out));
1444 UPTO (-possible_out)
1446 /* exact number of outputs */
1447 FOUNDCFG (possible_out);
1451 if (possible_in && (possible_in == audio_in)) {
1452 /* exact number of inputs ... must match obviously */
1453 if (possible_out == -1) {
1454 /* any output configuration possible */
1455 FOUNDCFG (preferred_out);
1457 } else if (possible_out == -2) {
1458 /* plugins shouldn't really use (>0,-2), interpret as (>0,-1) */
1459 FOUNDCFG (preferred_out);
1461 } else if (possible_out < -2) {
1462 /* > 0, < -2 is not specified
1463 * interpret as up to -N */
1464 FOUNDCFG (min (-possible_out, preferred_out));
1465 UPTO (-possible_out)
1467 /* exact number of outputs */
1468 FOUNDCFG (possible_out);
1473 if (!found && imprecise) {
1475 for (vector<pair<int,int> >::iterator i = io_configs.begin(); i != io_configs.end(); ++i) {
1476 int32_t possible_in = i->first;
1477 int32_t possible_out = i->second;
1479 assert (possible_in > 0); // all other cases will have been matched above
1480 assert (possible_out !=0 || possible_in !=0); // already handled above
1482 imprecise->set (DataType::AUDIO, possible_in);
1483 if (possible_out == -1 || possible_out == -2) {
1485 } else if (possible_out < -2) {
1486 /* explicitly variable number of outputs, pick maximum */
1487 FOUNDCFG (min (-possible_out, preferred_out));
1489 /* exact number of outputs */
1490 FOUNDCFG (possible_out);
1492 // ideally we'll also find the closest, best matching
1493 // input configuration with minimal output penalty...
1498 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("\tFAIL: no io configs match %1\n", in));
1503 out.set (DataType::MIDI, 0); // currently always zero
1504 out.set (DataType::AUDIO, preferred_out);
1506 if (used_possible_in < -2 && audio_in == 0) {
1507 // input-port count cannot be zero, use as many ports
1508 // as outputs, but at most abs(possible_in)
1509 audio_input_cnt = max (1, min (audio_out, -used_possible_in));
1511 out.set (DataType::MIDI, 0); /// XXX
1512 out.set (DataType::AUDIO, audio_out);
1514 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("\tCHOSEN: in %1 out %2\n", in, out));
1516 #if defined (__clang__)
1517 # pragma clang diagnostic pop
1523 AUPlugin::set_stream_format (int scope, uint32_t bus, AudioStreamBasicDescription& fmt)
1527 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("set stream format for %1, scope = %2 element %3\n",
1528 (scope == kAudioUnitScope_Input ? "input" : "output"),
1530 if ((result = unit->SetFormat (scope, bus, fmt)) != 0) {
1531 error << string_compose (_("AUPlugin: could not set stream format for %1/%2 (err = %3)"),
1532 (scope == kAudioUnitScope_Input ? "input" : "output"), bus, result) << endmsg;
1539 AUPlugin::render_callback(AudioUnitRenderActionFlags*,
1540 const AudioTimeStamp*,
1542 UInt32 inNumberFrames,
1543 AudioBufferList* ioData)
1545 /* not much to do with audio - the data is already in the buffers given to us in connect_and_run() */
1546 cerr << string_compose ("%1: render callback, frames %2 bus %3 bufs %4\n",
1547 name(), inNumberFrames, bus, ioData->mNumberBuffers);
1549 // DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1: render callback, frames %2 bus %3 bufs %4\n",
1550 // name(), inNumberFrames, bus, ioData->mNumberBuffers));
1552 if (input_maxbuf == 0) {
1553 DEBUG_TRACE (DEBUG::AudioUnits, "AUPlugin: render callback called illegally!");
1554 error << _("AUPlugin: render callback called illegally!") << endmsg;
1555 return kAudioUnitErr_CannotDoInCurrentContext;
1558 assert (bus < input_elements);
1559 uint32_t busoff = 0;
1560 for (uint32_t i = 0; i < bus; ++i) {
1561 busoff += bus_inputs[i];
1564 uint32_t limit = min ((uint32_t) ioData->mNumberBuffers, input_maxbuf);
1566 ChanCount bufs_count (DataType::AUDIO, 1);
1567 BufferSet& silent_bufs = _session.get_silent_buffers(bufs_count);
1569 /* apply bus offsets */
1571 for (uint32_t i = 0; i < limit; ++i) {
1572 ioData->mBuffers[i].mNumberChannels = 1;
1573 ioData->mBuffers[i].mDataByteSize = sizeof (Sample) * inNumberFrames;
1576 uint32_t idx = input_map->get (DataType::AUDIO, i + busoff, &valid);
1578 ioData->mBuffers[i].mData = input_buffers->get_audio (idx).data (cb_offset + input_offset);
1580 ioData->mBuffers[i].mData = silent_bufs.get_audio(0).data (cb_offset + input_offset);
1583 #if 0 // TODO per bus
1584 cb_offset += inNumberFrames;
1590 AUPlugin::connect_and_run (BufferSet& bufs, ChanMapping in_map, ChanMapping out_map, pframes_t nframes, framecnt_t offset)
1592 Plugin::connect_and_run (bufs, in_map, out_map, nframes, offset);
1594 AudioUnitRenderActionFlags flags = 0;
1598 if (requires_fixed_size_buffers() && (nframes != _last_nframes)) {
1599 unit->GlobalReset();
1600 _last_nframes = nframes;
1603 /* test if we can run in-place; only compare audio buffers */
1604 bool inplace = true; // configured_output_busses == 1;
1605 ChanMapping::Mappings inmap (in_map.mappings ());
1606 ChanMapping::Mappings outmap (out_map.mappings ());
1607 assert (outmap[DataType::AUDIO].size () > 0);
1608 if (inmap[DataType::AUDIO].size() > 0 && inmap != outmap) {
1612 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1 in %2 out %3 MIDI %4 bufs %5 (available %6) Inplace: %7\n",
1613 name(), input_channels, output_channels, _has_midi_input,
1614 bufs.count(), bufs.available(), inplace));
1616 /* the apparent number of buffers matches our input configuration, but we know that the bufferset
1617 * has the capacity to handle our outputs.
1620 assert (bufs.available() >= ChanCount (DataType::AUDIO, output_channels));
1622 input_buffers = &bufs;
1623 input_map = &in_map;
1624 input_maxbuf = bufs.count().n_audio(); // number of input audio buffers
1625 input_offset = offset;
1628 ChanCount bufs_count (DataType::AUDIO, 1);
1629 BufferSet& scratch_bufs = _session.get_scratch_buffers(bufs_count);
1631 if (_has_midi_input) {
1632 uint32_t nmidi = bufs.count().n_midi();
1633 for (uint32_t i = 0; i < nmidi; ++i) {
1634 /* one MIDI port/buffer only */
1635 MidiBuffer& m = bufs.get_midi (i);
1636 for (MidiBuffer::iterator i = m.begin(); i != m.end(); ++i) {
1637 Evoral::MIDIEvent<framepos_t> ev (*i);
1638 if (ev.is_channel_event()) {
1639 const uint8_t* b = ev.buffer();
1640 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1: MIDI event %2\n", name(), ev));
1641 unit->MIDIEvent (b[0], b[1], b[2], ev.time());
1643 /* XXX need to handle sysex and other message types */
1649 uint32_t busoff = 0;
1650 uint32_t remain = output_channels;
1651 for (uint32_t bus = 0; remain > 0 && bus < configured_output_busses; ++bus) {
1652 uint32_t cnt = std::min (remain, bus_outputs[bus]);
1655 buffers->mNumberBuffers = cnt;
1657 for (uint32_t i = 0; i < cnt; ++i) {
1658 buffers->mBuffers[i].mNumberChannels = 1;
1659 buffers->mBuffers[i].mDataByteSize = nframes * sizeof (Sample);
1660 /* setting this to 0 indicates to the AU that it can provide buffers here
1661 * if necessary. if it can process in-place, it will use the buffers provided
1662 * as input by ::render_callback() above.
1664 * a non-null values tells the plugin to render into the buffer pointed
1668 buffers->mBuffers[i].mData = 0;
1671 uint32_t idx = out_map.get (DataType::AUDIO, i + busoff, &valid);
1673 buffers->mBuffers[i].mData = bufs.get_audio (idx).data (offset);
1675 buffers->mBuffers[i].mData = scratch_bufs.get_audio(0).data(offset);
1680 /* does this really mean anything ? */
1681 ts.mSampleTime = frames_processed;
1682 ts.mFlags = kAudioTimeStampSampleTimeValid;
1684 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1 render flags=%2 time=%3 nframes=%4 bus=%5 buffers=%6\n",
1685 name(), flags, frames_processed, nframes, bus, buffers->mNumberBuffers));
1687 if ((err = unit->Render (&flags, &ts, bus, nframes, buffers)) == noErr) {
1689 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1 rendered %2 buffers of %3\n",
1690 name(), buffers->mNumberBuffers, output_channels));
1692 uint32_t limit = std::min ((uint32_t) buffers->mNumberBuffers, cnt);
1693 for (uint32_t i = 0; i < limit; ++i) {
1695 uint32_t idx = out_map.get (DataType::AUDIO, i + busoff, &valid);
1696 if (!valid) continue;
1697 Sample* expected_buffer_address = bufs.get_audio (idx).data (offset);
1698 if (expected_buffer_address != buffers->mBuffers[i].mData) {
1699 /* plugin provided its own buffer for output so copy it back to where we want it */
1700 memcpy (expected_buffer_address, buffers->mBuffers[i].mData, nframes * sizeof (Sample));
1704 error << string_compose (_("AU: render error for %1, bus %2 status = %2"), name(), bus, err) << endmsg;
1710 busoff += bus_outputs[bus];
1713 /* now silence any buffers that were passed in but the that the plugin
1714 * did not fill/touch/use.
1716 for (;i < output_channels; ++i) {
1718 uint32_t idx = out_map.get (DataType::AUDIO, i, &valid);
1719 if (!valid) continue;
1720 memset (bufs.get_audio (idx).data (offset), 0, nframes * sizeof (Sample));
1727 frames_processed += nframes;
1734 AUPlugin::get_beat_and_tempo_callback (Float64* outCurrentBeat,
1735 Float64* outCurrentTempo)
1737 TempoMap& tmap (_session.tempo_map());
1739 DEBUG_TRACE (DEBUG::AudioUnits, "AU calls ardour beat&tempo callback\n");
1741 /* more than 1 meter or more than 1 tempo means that a simplistic computation
1742 (and interpretation) of a beat position will be incorrect. So refuse to
1746 if (tmap.n_tempos() > 1 || tmap.n_meters() > 1) {
1747 return kAudioUnitErr_CannotDoInCurrentContext;
1750 Timecode::BBT_Time bbt;
1751 TempoMetric metric = tmap.metric_at (_session.transport_frame() + input_offset);
1752 tmap.bbt_time (_session.transport_frame() + input_offset, bbt);
1754 if (outCurrentBeat) {
1756 beat = metric.meter().divisions_per_bar() * bbt.bars;
1758 beat += bbt.ticks / Timecode::BBT_Time::ticks_per_beat;
1759 *outCurrentBeat = beat;
1762 if (outCurrentTempo) {
1763 *outCurrentTempo = floor (metric.tempo().beats_per_minute());
1771 AUPlugin::get_musical_time_location_callback (UInt32* outDeltaSampleOffsetToNextBeat,
1772 Float32* outTimeSig_Numerator,
1773 UInt32* outTimeSig_Denominator,
1774 Float64* outCurrentMeasureDownBeat)
1776 TempoMap& tmap (_session.tempo_map());
1778 DEBUG_TRACE (DEBUG::AudioUnits, "AU calls ardour music time location callback\n");
1780 /* more than 1 meter or more than 1 tempo means that a simplistic computation
1781 (and interpretation) of a beat position will be incorrect. So refuse to
1785 if (tmap.n_tempos() > 1 || tmap.n_meters() > 1) {
1786 return kAudioUnitErr_CannotDoInCurrentContext;
1789 Timecode::BBT_Time bbt;
1790 TempoMetric metric = tmap.metric_at (_session.transport_frame() + input_offset);
1791 tmap.bbt_time (_session.transport_frame() + input_offset, bbt);
1793 if (outDeltaSampleOffsetToNextBeat) {
1794 if (bbt.ticks == 0) {
1796 *outDeltaSampleOffsetToNextBeat = 0;
1798 *outDeltaSampleOffsetToNextBeat = (UInt32)
1799 floor (((Timecode::BBT_Time::ticks_per_beat - bbt.ticks)/Timecode::BBT_Time::ticks_per_beat) * // fraction of a beat to next beat
1800 metric.tempo().frames_per_beat (_session.frame_rate())); // frames per beat
1804 if (outTimeSig_Numerator) {
1805 *outTimeSig_Numerator = (UInt32) lrintf (metric.meter().divisions_per_bar());
1807 if (outTimeSig_Denominator) {
1808 *outTimeSig_Denominator = (UInt32) lrintf (metric.meter().note_divisor());
1811 if (outCurrentMeasureDownBeat) {
1813 /* beat for the start of the bar.
1815 2|1|0 -> 1 + divisions_per_bar
1816 3|1|0 -> 1 + (2 * divisions_per_bar)
1820 *outCurrentMeasureDownBeat = 1 + metric.meter().divisions_per_bar() * (bbt.bars - 1);
1827 AUPlugin::get_transport_state_callback (Boolean* outIsPlaying,
1828 Boolean* outTransportStateChanged,
1829 Float64* outCurrentSampleInTimeLine,
1830 Boolean* outIsCycling,
1831 Float64* outCycleStartBeat,
1832 Float64* outCycleEndBeat)
1837 DEBUG_TRACE (DEBUG::AudioUnits, "AU calls ardour transport state callback\n");
1839 rolling = _session.transport_rolling();
1840 speed = _session.transport_speed ();
1843 *outIsPlaying = _session.transport_rolling();
1846 if (outTransportStateChanged) {
1847 if (rolling != last_transport_rolling) {
1848 *outTransportStateChanged = true;
1849 } else if (speed != last_transport_speed) {
1850 *outTransportStateChanged = true;
1852 *outTransportStateChanged = false;
1856 if (outCurrentSampleInTimeLine) {
1857 /* this assumes that the AU can only call this host callback from render context,
1858 where input_offset is valid.
1860 *outCurrentSampleInTimeLine = _session.transport_frame() + input_offset;
1864 Location* loc = _session.locations()->auto_loop_location();
1866 *outIsCycling = (loc && _session.transport_rolling() && _session.get_play_loop());
1868 if (*outIsCycling) {
1870 if (outCycleStartBeat || outCycleEndBeat) {
1872 TempoMap& tmap (_session.tempo_map());
1874 /* more than 1 meter means that a simplistic computation (and interpretation) of
1875 a beat position will be incorrect. so refuse to offer the value.
1878 if (tmap.n_meters() > 1) {
1879 return kAudioUnitErr_CannotDoInCurrentContext;
1882 Timecode::BBT_Time bbt;
1884 if (outCycleStartBeat) {
1885 TempoMetric metric = tmap.metric_at (loc->start() + input_offset);
1886 _session.tempo_map().bbt_time (loc->start(), bbt);
1889 beat = metric.meter().divisions_per_bar() * bbt.bars;
1891 beat += bbt.ticks / Timecode::BBT_Time::ticks_per_beat;
1893 *outCycleStartBeat = beat;
1896 if (outCycleEndBeat) {
1897 TempoMetric metric = tmap.metric_at (loc->end() + input_offset);
1898 _session.tempo_map().bbt_time (loc->end(), bbt);
1901 beat = metric.meter().divisions_per_bar() * bbt.bars;
1903 beat += bbt.ticks / Timecode::BBT_Time::ticks_per_beat;
1905 *outCycleEndBeat = beat;
1911 last_transport_rolling = rolling;
1912 last_transport_speed = speed;
1917 set<Evoral::Parameter>
1918 AUPlugin::automatable() const
1920 set<Evoral::Parameter> automates;
1922 for (uint32_t i = 0; i < descriptors.size(); ++i) {
1923 if (descriptors[i].automatable) {
1924 automates.insert (automates.end(), Evoral::Parameter (PluginAutomation, 0, i));
1931 Plugin::IOPortDescription
1932 AUPlugin::describe_io_port (ARDOUR::DataType dt, bool input, uint32_t id) const
1934 std::stringstream ss;
1936 case DataType::AUDIO:
1938 case DataType::MIDI:
1946 if (dt == DataType::AUDIO) {
1949 for (uint32_t bus = 0; bus < input_elements; ++bus) {
1950 if (pid < bus_inputs[bus]) {
1952 ss << _bus_name_in[bus];
1955 pid -= bus_inputs[bus];
1960 for (uint32_t bus = 0; bus < output_elements; ++bus) {
1961 if (pid < bus_outputs[bus]) {
1963 ss << _bus_name_out[bus];
1966 pid -= bus_outputs[bus];
1972 ss << " " << _("In") << " ";
1974 ss << " " << _("Out") << " ";
1979 Plugin::IOPortDescription iod (ss.str());
1984 AUPlugin::describe_parameter (Evoral::Parameter param)
1986 if (param.type() == PluginAutomation && param.id() < parameter_count()) {
1987 return descriptors[param.id()].label;
1994 AUPlugin::print_parameter (uint32_t /*param*/, char* /*buf*/, uint32_t /*len*/) const
1996 // NameValue stuff here
2000 AUPlugin::parameter_is_audio (uint32_t) const
2006 AUPlugin::parameter_is_control (uint32_t param) const
2008 assert(param < descriptors.size());
2009 if (descriptors[param].automatable) {
2010 /* corrently ardour expects all controls to be automatable
2011 * IOW ardour GUI elements mandate an Evoral::Parameter
2012 * for all input+control ports.
2020 AUPlugin::parameter_is_input (uint32_t param) const
2022 /* AU params that are both readable and writeable,
2023 * are listed in kAudioUnitScope_Global
2025 return (descriptors[param].scope == kAudioUnitScope_Input || descriptors[param].scope == kAudioUnitScope_Global);
2029 AUPlugin::parameter_is_output (uint32_t param) const
2031 assert(param < descriptors.size());
2032 // TODO check if ardour properly handles ports
2033 // that report is_input + is_output == true
2034 // -> add || descriptors[param].scope == kAudioUnitScope_Global
2035 return (descriptors[param].scope == kAudioUnitScope_Output);
2039 AUPlugin::add_state (XMLNode* root) const
2041 LocaleGuard lg (X_("C"));
2043 CFPropertyListRef propertyList;
2045 DEBUG_TRACE (DEBUG::AudioUnits, "get preset state\n");
2046 if (unit->GetAUPreset (propertyList) != noErr) {
2050 // Convert the property list into XML data.
2052 xmlData = CFPropertyListCreateXMLData( kCFAllocatorDefault, propertyList);
2055 error << _("Could not create XML version of property list") << endmsg;
2059 /* re-parse XML bytes to create a libxml++ XMLTree that we can merge into
2060 our state node. GACK!
2065 if (t.read_buffer (string ((const char*) CFDataGetBytePtr (xmlData), CFDataGetLength (xmlData)))) {
2067 root->add_child_copy (*t.root());
2071 CFRelease (xmlData);
2072 CFRelease (propertyList);
2076 AUPlugin::set_state(const XMLNode& node, int version)
2079 CFPropertyListRef propertyList;
2080 LocaleGuard lg (X_("C"));
2082 if (node.name() != state_node_name()) {
2083 error << _("Bad node sent to AUPlugin::set_state") << endmsg;
2087 #ifndef NO_PLUGIN_STATE
2088 if (node.children().empty()) {
2092 XMLNode* top = node.children().front();
2093 XMLNode* copy = new XMLNode (*top);
2098 const string& xml = t.write_buffer ();
2099 CFDataRef xmlData = CFDataCreateWithBytesNoCopy (kCFAllocatorDefault, (UInt8*) xml.data(), xml.length(), kCFAllocatorNull);
2100 CFStringRef errorString;
2102 propertyList = CFPropertyListCreateFromXMLData( kCFAllocatorDefault,
2104 kCFPropertyListImmutable,
2107 CFRelease (xmlData);
2110 DEBUG_TRACE (DEBUG::AudioUnits, "set preset\n");
2111 if (unit->SetAUPreset (propertyList) == noErr) {
2114 /* tell the world */
2116 AudioUnitParameter changedUnit;
2117 changedUnit.mAudioUnit = unit->AU();
2118 changedUnit.mParameterID = kAUParameterListener_AnyParameter;
2119 AUParameterListenerNotify (NULL, NULL, &changedUnit);
2121 CFRelease (propertyList);
2125 Plugin::set_state (node, version);
2130 AUPlugin::load_preset (PresetRecord r)
2132 Plugin::load_preset (r);
2135 CFPropertyListRef propertyList;
2137 UserPresetMap::iterator ux;
2138 FactoryPresetMap::iterator fx;
2140 /* look first in "user" presets */
2142 if ((ux = user_preset_map.find (r.label)) != user_preset_map.end()) {
2144 if ((propertyList = load_property_list (ux->second)) != 0) {
2145 DEBUG_TRACE (DEBUG::AudioUnits, "set preset from user presets\n");
2146 if (unit->SetAUPreset (propertyList) == noErr) {
2149 /* tell the world */
2151 AudioUnitParameter changedUnit;
2152 changedUnit.mAudioUnit = unit->AU();
2153 changedUnit.mParameterID = kAUParameterListener_AnyParameter;
2154 AUParameterListenerNotify (NULL, NULL, &changedUnit);
2156 CFRelease(propertyList);
2159 } else if ((fx = factory_preset_map.find (r.label)) != factory_preset_map.end()) {
2163 preset.presetNumber = fx->second;
2164 preset.presetName = CFStringCreateWithCString (kCFAllocatorDefault, fx->first.c_str(), kCFStringEncodingUTF8);
2166 DEBUG_TRACE (DEBUG::AudioUnits, "set preset from factory presets\n");
2168 if (unit->SetPresentPreset (preset) == 0) {
2171 /* tell the world */
2173 AudioUnitParameter changedUnit;
2174 changedUnit.mAudioUnit = unit->AU();
2175 changedUnit.mParameterID = kAUParameterListener_AnyParameter;
2176 AUParameterListenerNotify (NULL, NULL, &changedUnit);
2184 AUPlugin::do_remove_preset (std::string)
2189 AUPlugin::do_save_preset (string preset_name)
2191 CFPropertyListRef propertyList;
2192 vector<Glib::ustring> v;
2193 Glib::ustring user_preset_path;
2195 std::string m = maker();
2196 std::string n = name();
2198 strip_whitespace_edges (m);
2199 strip_whitespace_edges (n);
2201 v.push_back (Glib::get_home_dir());
2202 v.push_back ("Library");
2203 v.push_back ("Audio");
2204 v.push_back ("Presets");
2208 user_preset_path = Glib::build_filename (v);
2210 if (g_mkdir_with_parents (user_preset_path.c_str(), 0775) < 0) {
2211 error << string_compose (_("Cannot create user plugin presets folder (%1)"), user_preset_path) << endmsg;
2215 DEBUG_TRACE (DEBUG::AudioUnits, "get current preset\n");
2216 if (unit->GetAUPreset (propertyList) != noErr) {
2220 // add the actual preset name */
2222 v.push_back (preset_name + preset_suffix);
2226 user_preset_path = Glib::build_filename (v);
2228 set_preset_name_in_plist (propertyList, preset_name);
2230 if (save_property_list (propertyList, user_preset_path)) {
2231 error << string_compose (_("Saving plugin state to %1 failed"), user_preset_path) << endmsg;
2235 CFRelease(propertyList);
2237 user_preset_map[preset_name] = user_preset_path;;
2239 DEBUG_TRACE (DEBUG::AudioUnits, string_compose("AU Saving Preset to %1\n", user_preset_path));
2241 return string ("file:///") + user_preset_path;
2244 //-----------------------------------------------------------------------------
2245 // this is just a little helper function used by GetAUComponentDescriptionFromPresetFile()
2247 GetDictionarySInt32Value(CFDictionaryRef inAUStateDictionary, CFStringRef inDictionaryKey, Boolean * outSuccess)
2249 CFNumberRef cfNumber;
2250 SInt32 numberValue = 0;
2251 Boolean dummySuccess;
2253 if (outSuccess == NULL)
2254 outSuccess = &dummySuccess;
2255 if ( (inAUStateDictionary == NULL) || (inDictionaryKey == NULL) )
2257 *outSuccess = FALSE;
2261 cfNumber = (CFNumberRef) CFDictionaryGetValue(inAUStateDictionary, inDictionaryKey);
2262 if (cfNumber == NULL)
2264 *outSuccess = FALSE;
2267 *outSuccess = CFNumberGetValue(cfNumber, kCFNumberSInt32Type, &numberValue);
2275 GetAUComponentDescriptionFromStateData(CFPropertyListRef inAUStateData, ArdourDescription * outComponentDescription)
2277 CFDictionaryRef auStateDictionary;
2278 ArdourDescription tempDesc = {0,0,0,0,0};
2279 SInt32 versionValue;
2282 if ( (inAUStateData == NULL) || (outComponentDescription == NULL) )
2285 // the property list for AU state data must be of the dictionary type
2286 if (CFGetTypeID(inAUStateData) != CFDictionaryGetTypeID()) {
2287 return kAudioUnitErr_InvalidPropertyValue;
2290 auStateDictionary = (CFDictionaryRef)inAUStateData;
2292 // first check to make sure that the version of the AU state data is one that we know understand
2293 // XXX should I really do this? later versions would probably still hold these ID keys, right?
2294 versionValue = GetDictionarySInt32Value(auStateDictionary, CFSTR(kAUPresetVersionKey), &gotValue);
2297 return kAudioUnitErr_InvalidPropertyValue;
2299 #define kCurrentSavedStateVersion 0
2300 if (versionValue != kCurrentSavedStateVersion) {
2301 return kAudioUnitErr_InvalidPropertyValue;
2304 // grab the ComponentDescription values from the AU state data
2305 tempDesc.componentType = (OSType) GetDictionarySInt32Value(auStateDictionary, CFSTR(kAUPresetTypeKey), NULL);
2306 tempDesc.componentSubType = (OSType) GetDictionarySInt32Value(auStateDictionary, CFSTR(kAUPresetSubtypeKey), NULL);
2307 tempDesc.componentManufacturer = (OSType) GetDictionarySInt32Value(auStateDictionary, CFSTR(kAUPresetManufacturerKey), NULL);
2308 // zero values are illegit for specific ComponentDescriptions, so zero for any value means that there was an error
2309 if ( (tempDesc.componentType == 0) || (tempDesc.componentSubType == 0) || (tempDesc.componentManufacturer == 0) )
2310 return kAudioUnitErr_InvalidPropertyValue;
2312 *outComponentDescription = tempDesc;
2317 static bool au_preset_filter (const string& str, void* arg)
2319 /* Not a dotfile, has a prefix before a period, suffix is aupreset */
2323 ret = (str[0] != '.' && str.length() > 9 && str.find (preset_suffix) == (str.length() - preset_suffix.length()));
2327 /* check the preset file path name against this plugin
2328 ID. The idea is that all preset files for this plugin
2329 include "<manufacturer>/<plugin-name>" in their path.
2332 AUPluginInfo* p = (AUPluginInfo *) arg;
2333 string match = p->creator;
2337 ret = str.find (match) != string::npos;
2340 string m = p->creator;
2342 strip_whitespace_edges (m);
2343 strip_whitespace_edges (n);
2348 ret = str.find (match) != string::npos;
2356 check_and_get_preset_name (ArdourComponent component, const string& pathstr, string& preset_name)
2359 CFPropertyListRef plist;
2360 ArdourDescription presetDesc;
2363 plist = load_property_list (pathstr);
2369 // get the ComponentDescription from the AU preset file
2371 status = GetAUComponentDescriptionFromStateData(plist, &presetDesc);
2373 if (status == noErr) {
2374 if (ComponentAndDescriptionMatch_Loosely(component, &presetDesc)) {
2376 /* try to get the preset name from the property list */
2378 if (CFGetTypeID(plist) == CFDictionaryGetTypeID()) {
2380 const void* psk = CFDictionaryGetValue ((CFMutableDictionaryRef)plist, CFSTR(kAUPresetNameKey));
2384 const char* p = CFStringGetCStringPtr ((CFStringRef) psk, kCFStringEncodingUTF8);
2387 char buf[PATH_MAX+1];
2389 if (CFStringGetCString ((CFStringRef)psk, buf, sizeof (buf), kCFStringEncodingUTF8)) {
2406 get_names (CAComponentDescription& comp_desc, std::string& name, std::string& maker)
2408 get_names (ArdourComponent& comp, std::string& name, std::string& maker)
2411 CFStringRef itemName = NULL;
2412 // Marc Poirier-style item name
2414 CAComponent auComponent (comp_desc);
2415 if (auComponent.IsValid()) {
2416 CAComponentDescription dummydesc;
2417 Handle nameHandle = NewHandle(sizeof(void*));
2418 if (nameHandle != NULL) {
2419 OSErr err = GetComponentInfo(auComponent.Comp(), &dummydesc, nameHandle, NULL, NULL);
2421 ConstStr255Param nameString = (ConstStr255Param) (*nameHandle);
2422 if (nameString != NULL) {
2423 itemName = CFStringCreateWithPascalString(kCFAllocatorDefault, nameString, CFStringGetSystemEncoding());
2426 DisposeHandle(nameHandle);
2431 AudioComponentCopyName (comp, &itemName);
2434 // if Marc-style fails, do the original way
2435 if (itemName == NULL) {
2436 #ifndef COREAUDIO105
2437 CAComponentDescription comp_desc;
2438 AudioComponentGetDescription (comp, &comp_desc);
2440 CFStringRef compTypeString = UTCreateStringForOSType(comp_desc.componentType);
2441 CFStringRef compSubTypeString = UTCreateStringForOSType(comp_desc.componentSubType);
2442 CFStringRef compManufacturerString = UTCreateStringForOSType(comp_desc.componentManufacturer);
2444 itemName = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("%@ - %@ - %@"),
2445 compTypeString, compManufacturerString, compSubTypeString);
2447 if (compTypeString != NULL)
2448 CFRelease(compTypeString);
2449 if (compSubTypeString != NULL)
2450 CFRelease(compSubTypeString);
2451 if (compManufacturerString != NULL)
2452 CFRelease(compManufacturerString);
2455 string str = CFStringRefToStdString(itemName);
2456 string::size_type colon = str.find (':');
2459 name = str.substr (colon+1);
2460 maker = str.substr (0, colon);
2461 strip_whitespace_edges (maker);
2462 strip_whitespace_edges (name);
2466 strip_whitespace_edges (name);
2471 AUPlugin::current_preset() const
2475 CFPropertyListRef propertyList;
2477 DEBUG_TRACE (DEBUG::AudioUnits, "get current preset for current_preset()\n");
2478 if (unit->GetAUPreset (propertyList) == noErr) {
2479 preset_name = get_preset_name_in_plist (propertyList);
2480 CFRelease(propertyList);
2487 AUPlugin::find_presets ()
2489 vector<string> preset_files;
2491 user_preset_map.clear ();
2493 PluginInfoPtr nfo = get_info();
2494 find_files_matching_filter (preset_files, preset_search_path, au_preset_filter,
2495 boost::dynamic_pointer_cast<AUPluginInfo> (nfo).get(),
2498 if (preset_files.empty()) {
2499 DEBUG_TRACE (DEBUG::AudioUnits, "AU No Preset Files found for given plugin.\n");
2502 for (vector<string>::iterator x = preset_files.begin(); x != preset_files.end(); ++x) {
2507 /* make an initial guess at the preset name using the path */
2509 preset_name = Glib::path_get_basename (path);
2510 preset_name = preset_name.substr (0, preset_name.find_last_of ('.'));
2512 /* check that this preset file really matches this plugin
2513 and potentially get the "real" preset name from
2517 if (check_and_get_preset_name (get_comp()->Comp(), path, preset_name)) {
2518 user_preset_map[preset_name] = path;
2519 DEBUG_TRACE (DEBUG::AudioUnits, string_compose("AU Preset File: %1 > %2\n", preset_name, path));
2521 DEBUG_TRACE (DEBUG::AudioUnits, string_compose("AU INVALID Preset: %1 > %2\n", preset_name, path));
2526 /* now fill the vector<string> with the names we have */
2528 for (UserPresetMap::iterator i = user_preset_map.begin(); i != user_preset_map.end(); ++i) {
2529 _presets.insert (make_pair (i->second, Plugin::PresetRecord (i->second, i->first)));
2530 DEBUG_TRACE (DEBUG::AudioUnits, string_compose("AU Adding User Preset: %1 > %2\n", i->first, i->second));
2533 /* add factory presets */
2535 for (FactoryPresetMap::iterator i = factory_preset_map.begin(); i != factory_preset_map.end(); ++i) {
2537 string const uri = string_compose ("%1", _presets.size ());
2538 _presets.insert (make_pair (uri, Plugin::PresetRecord (uri, i->first, false)));
2539 DEBUG_TRACE (DEBUG::AudioUnits, string_compose("AU Adding Factory Preset: %1 > %2\n", i->first, i->second));
2544 AUPlugin::has_editor () const
2546 // even if the plugin doesn't have its own editor, the AU API can be used
2547 // to create one that looks native.
2551 AUPluginInfo::AUPluginInfo (boost::shared_ptr<CAComponentDescription> d)
2555 type = ARDOUR::AudioUnit;
2558 AUPluginInfo::~AUPluginInfo ()
2560 type = ARDOUR::AudioUnit;
2564 AUPluginInfo::load (Session& session)
2569 DEBUG_TRACE (DEBUG::AudioUnits, "load AU as a component\n");
2570 boost::shared_ptr<CAComponent> comp (new CAComponent(*descriptor));
2572 if (!comp->IsValid()) {
2573 error << ("AudioUnit: not a valid Component") << endmsg;
2575 plugin.reset (new AUPlugin (session.engine(), session, comp));
2578 AUPluginInfo *aup = new AUPluginInfo (*this);
2579 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("plugin info for %1 = %2\n", this, aup));
2580 plugin->set_info (PluginInfoPtr (aup));
2581 boost::dynamic_pointer_cast<AUPlugin> (plugin)->set_fixed_size_buffers (aup->creator == "Universal Audio");
2585 catch (failed_constructor &err) {
2586 DEBUG_TRACE (DEBUG::AudioUnits, "failed to load component/plugin\n");
2587 return PluginPtr ();
2591 std::vector<Plugin::PresetRecord>
2592 AUPluginInfo::get_presets (bool user_only) const
2594 std::vector<Plugin::PresetRecord> p;
2595 boost::shared_ptr<CAComponent> comp;
2596 #ifndef NO_PLUGIN_STATE
2598 comp = boost::shared_ptr<CAComponent>(new CAComponent(*descriptor));
2599 if (!comp->IsValid()) {
2600 throw failed_constructor();
2602 } catch (failed_constructor& err) {
2608 if (!preset_search_path_initialized) {
2609 Glib::ustring p = Glib::get_home_dir();
2610 p += "/Library/Audio/Presets:";
2611 p += preset_search_path;
2612 preset_search_path = p;
2613 preset_search_path_initialized = true;
2614 DEBUG_TRACE (DEBUG::AudioUnits, string_compose("AU Preset Path: %1\n", preset_search_path));
2617 vector<string> preset_files;
2618 find_files_matching_filter (preset_files, preset_search_path, au_preset_filter, const_cast<AUPluginInfo*>(this), true, true, true);
2620 for (vector<string>::iterator x = preset_files.begin(); x != preset_files.end(); ++x) {
2623 preset_name = Glib::path_get_basename (path);
2624 preset_name = preset_name.substr (0, preset_name.find_last_of ('.'));
2625 if (check_and_get_preset_name (comp.get()->Comp(), path, preset_name)) {
2626 p.push_back (Plugin::PresetRecord (path, preset_name));
2640 boost::shared_ptr<CAAudioUnit> unit (new CAAudioUnit);
2641 if (noErr != CAAudioUnit::Open (*(comp.get()), *unit)) {
2644 if (noErr != unit->GetPropertyInfo (kAudioUnitProperty_FactoryPresets, kAudioUnitScope_Global, 0, &dataSize, &isWritable)) {
2645 unit->Uninitialize ();
2648 if (noErr != unit->GetProperty (kAudioUnitProperty_FactoryPresets, kAudioUnitScope_Global, 0, (void*) &presets, &dataSize)) {
2649 unit->Uninitialize ();
2653 unit->Uninitialize ();
2657 CFIndex cnt = CFArrayGetCount (presets);
2658 for (CFIndex i = 0; i < cnt; ++i) {
2659 AUPreset* preset = (AUPreset*) CFArrayGetValueAtIndex (presets, i);
2660 string const uri = string_compose ("%1", i);
2661 string name = CFStringRefToStdString (preset->presetName);
2662 p.push_back (Plugin::PresetRecord (uri, name, false));
2664 CFRelease (presets);
2665 unit->Uninitialize ();
2667 #endif // NO_PLUGIN_STATE
2672 AUPluginInfo::au_cache_path ()
2674 return Glib::build_filename (ARDOUR::user_cache_directory(), "au_cache");
2678 AUPluginInfo::discover (bool scan_only)
2682 /* AU require a CAComponentDescription pointer provided by the OS.
2683 * Ardour only caches port and i/o config. It can't just 'scan' without
2684 * 'discovering' (like we do for VST).
2687 * "Iterate over all plugins. skip the ones where there's no io-cache".
2689 _scan_only = scan_only;
2691 if (!Glib::file_test (au_cache_path(), Glib::FILE_TEST_EXISTS)) {
2692 ARDOUR::BootMessage (_("Discovering AudioUnit plugins (could take some time ...)"));
2694 // create crash log file
2695 au_start_crashlog ();
2697 PluginInfoList* plugs = new PluginInfoList;
2699 discover_fx (*plugs);
2700 discover_music (*plugs);
2701 discover_generators (*plugs);
2702 discover_instruments (*plugs);
2704 // all fine if we get here
2705 au_remove_crashlog ();
2707 DEBUG_TRACE (DEBUG::PluginManager, string_compose ("AU: discovered %1 plugins\n", plugs->size()));
2713 AUPluginInfo::discover_music (PluginInfoList& plugs)
2715 CAComponentDescription desc;
2716 desc.componentFlags = 0;
2717 desc.componentFlagsMask = 0;
2718 desc.componentSubType = 0;
2719 desc.componentManufacturer = 0;
2720 desc.componentType = kAudioUnitType_MusicEffect;
2722 discover_by_description (plugs, desc);
2726 AUPluginInfo::discover_fx (PluginInfoList& plugs)
2728 CAComponentDescription desc;
2729 desc.componentFlags = 0;
2730 desc.componentFlagsMask = 0;
2731 desc.componentSubType = 0;
2732 desc.componentManufacturer = 0;
2733 desc.componentType = kAudioUnitType_Effect;
2735 discover_by_description (plugs, desc);
2739 AUPluginInfo::discover_generators (PluginInfoList& plugs)
2741 CAComponentDescription desc;
2742 desc.componentFlags = 0;
2743 desc.componentFlagsMask = 0;
2744 desc.componentSubType = 0;
2745 desc.componentManufacturer = 0;
2746 desc.componentType = kAudioUnitType_Generator;
2748 discover_by_description (plugs, desc);
2752 AUPluginInfo::discover_instruments (PluginInfoList& plugs)
2754 CAComponentDescription desc;
2755 desc.componentFlags = 0;
2756 desc.componentFlagsMask = 0;
2757 desc.componentSubType = 0;
2758 desc.componentManufacturer = 0;
2759 desc.componentType = kAudioUnitType_MusicDevice;
2761 discover_by_description (plugs, desc);
2766 AUPluginInfo::au_get_crashlog (std::string &msg)
2768 string fn = Glib::build_filename (ARDOUR::user_cache_directory(), "au_crashlog.txt");
2769 if (!Glib::file_test (fn, Glib::FILE_TEST_EXISTS)) {
2772 std::ifstream ifs(fn.c_str());
2773 msg.assign ((std::istreambuf_iterator<char>(ifs)), (std::istreambuf_iterator<char>()));
2774 au_remove_crashlog ();
2779 AUPluginInfo::au_start_crashlog ()
2781 string fn = Glib::build_filename (ARDOUR::user_cache_directory(), "au_crashlog.txt");
2782 assert(!_crashlog_fd);
2783 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("Creating AU Log: %1\n", fn));
2784 if (!(_crashlog_fd = fopen(fn.c_str(), "w"))) {
2785 PBD::error << "Cannot create AU error-log" << fn << "\n";
2786 cerr << "Cannot create AU error-log" << fn << "\n";
2791 AUPluginInfo::au_remove_crashlog ()
2794 ::fclose(_crashlog_fd);
2795 _crashlog_fd = NULL;
2797 string fn = Glib::build_filename (ARDOUR::user_cache_directory(), "au_crashlog.txt");
2798 ::g_unlink(fn.c_str());
2799 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("Remove AU Log: %1\n", fn));
2804 AUPluginInfo::au_crashlog (std::string msg)
2806 if (!_crashlog_fd) {
2807 fprintf(stderr, "AU: %s\n", msg.c_str());
2809 fprintf(_crashlog_fd, "AU: %s\n", msg.c_str());
2810 ::fflush(_crashlog_fd);
2815 AUPluginInfo::discover_by_description (PluginInfoList& plugs, CAComponentDescription& desc)
2817 ArdourComponent comp = 0;
2818 au_crashlog(string_compose("Start AU discovery for Type: %1", (int)desc.componentType));
2820 comp = ArdourFindNext (NULL, &desc);
2822 while (comp != NULL) {
2823 CAComponentDescription temp;
2825 GetComponentInfo (comp, &temp, NULL, NULL, NULL);
2827 AudioComponentGetDescription (comp, &temp);
2829 CFStringRef itemName = NULL;
2832 if (itemName != NULL) CFRelease(itemName);
2833 CFStringRef compTypeString = UTCreateStringForOSType(temp.componentType);
2834 CFStringRef compSubTypeString = UTCreateStringForOSType(temp.componentSubType);
2835 CFStringRef compManufacturerString = UTCreateStringForOSType(temp.componentManufacturer);
2836 itemName = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("%@ - %@ - %@"),
2837 compTypeString, compManufacturerString, compSubTypeString);
2838 au_crashlog(string_compose("Scanning ID: %1", CFStringRefToStdString(itemName)));
2839 if (compTypeString != NULL)
2840 CFRelease(compTypeString);
2841 if (compSubTypeString != NULL)
2842 CFRelease(compSubTypeString);
2843 if (compManufacturerString != NULL)
2844 CFRelease(compManufacturerString);
2847 if (is_blacklisted(CFStringRefToStdString(itemName))) {
2848 info << string_compose (_("Skipped blacklisted AU plugin %1 "), CFStringRefToStdString(itemName)) << endmsg;
2849 comp = ArdourFindNext (comp, &desc);
2853 bool has_midi_in = false;
2855 AUPluginInfoPtr info (new AUPluginInfo
2856 (boost::shared_ptr<CAComponentDescription> (new CAComponentDescription(temp))));
2858 /* although apple designed the subtype field to be a "category" indicator,
2859 its really turned into a plugin ID field for a given manufacturer. Hence
2860 there are no categories for AudioUnits. However, to keep the plugins
2861 showing up under "categories", we'll use the "type" as a high level
2864 NOTE: no panners, format converters or i/o AU's for our purposes
2867 switch (info->descriptor->Type()) {
2868 case kAudioUnitType_Panner:
2869 case kAudioUnitType_OfflineEffect:
2870 case kAudioUnitType_FormatConverter:
2871 comp = ArdourFindNext (comp, &desc);
2874 case kAudioUnitType_Output:
2875 info->category = _("AudioUnit Outputs");
2877 case kAudioUnitType_MusicDevice:
2878 info->category = _("AudioUnit Instruments");
2881 case kAudioUnitType_MusicEffect:
2882 info->category = _("AudioUnit MusicEffects");
2885 case kAudioUnitType_Effect:
2886 info->category = _("AudioUnit Effects");
2888 case kAudioUnitType_Mixer:
2889 info->category = _("AudioUnit Mixers");
2891 case kAudioUnitType_Generator:
2892 info->category = _("AudioUnit Generators");
2895 info->category = _("AudioUnit (Unknown)");
2899 au_blacklist(CFStringRefToStdString(itemName));
2901 get_names (temp, info->name, info->creator);
2903 get_names (comp, info->name, info->creator);
2905 ARDOUR::PluginScanMessage(_("AU"), info->name, false);
2906 au_crashlog(string_compose("Plugin: %1", info->name));
2908 info->type = ARDOUR::AudioUnit;
2909 info->unique_id = stringify_descriptor (*info->descriptor);
2911 /* XXX not sure of the best way to handle plugin versioning yet */
2913 CAComponent cacomp (*info->descriptor);
2916 if (cacomp.GetResourceVersion (info->version) != noErr)
2918 if (cacomp.GetVersion (info->version) != noErr)
2924 const int rv = cached_io_configuration (info->unique_id, info->version, cacomp, info->cache, info->name);
2927 /* here we have to map apple's wildcard system to a simple pair
2928 of values. in ::can_do() we use the whole system, but here
2929 we need a single pair of values. XXX probably means we should
2930 remove any use of these values.
2932 for now, if the plugin provides a wildcard, treat it as 1. we really
2933 don't care much, because whether we can handle an i/o configuration
2934 depends upon ::can_support_io_configuration(), not these counts.
2936 they exist because other parts of ardour try to present i/o configuration
2937 info to the user, which should perhaps be revisited.
2940 int32_t possible_in = info->cache.io_configs.front().first;
2941 int32_t possible_out = info->cache.io_configs.front().second;
2943 if (possible_in > 0) {
2944 info->n_inputs.set (DataType::AUDIO, possible_in);
2946 info->n_inputs.set (DataType::AUDIO, 1);
2949 info->n_inputs.set (DataType::MIDI, has_midi_in ? 1 : 0);
2951 if (possible_out > 0) {
2952 info->n_outputs.set (DataType::AUDIO, possible_out);
2954 info->n_outputs.set (DataType::AUDIO, 1);
2957 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("detected AU %1 with %2 i/o configurations - %3\n",
2958 info->name.c_str(), info->cache.io_configs.size(), info->unique_id));
2960 plugs.push_back (info);
2963 else if (rv == -1) {
2964 error << string_compose (_("Cannot get I/O configuration info for AU %1"), info->name) << endmsg;
2967 au_unblacklist(CFStringRefToStdString(itemName));
2968 au_crashlog("Success.");
2969 comp = ArdourFindNext (comp, &desc);
2970 if (itemName != NULL) CFRelease(itemName); itemName = NULL;
2972 au_crashlog(string_compose("End AU discovery for Type: %1", (int)desc.componentType));
2976 AUPluginInfo::cached_io_configuration (const std::string& unique_id,
2979 AUPluginCachedInfo& cinfo,
2980 const std::string& name)
2985 /* concatenate unique ID with version to provide a key for cached info lookup.
2986 this ensures we don't get stale information, or should if plugin developers
2987 follow Apple "guidelines".
2990 snprintf (buf, sizeof (buf), "%u", (uint32_t) version);
2995 CachedInfoMap::iterator cim = cached_info.find (id);
2997 if (cim != cached_info.end()) {
2998 cinfo = cim->second;
3003 PBD::info << string_compose (_("Skipping AU %1 (not indexed. Discover new plugins to add)"), name) << endmsg;
3008 AUChannelInfo* channel_info;
3012 ARDOUR::BootMessage (string_compose (_("Checking AudioUnit: %1"), name));
3016 if (CAAudioUnit::Open (comp, unit) != noErr) {
3022 warning << string_compose (_("Could not load AU plugin %1 - ignored"), name) << endmsg;
3027 DEBUG_TRACE (DEBUG::AudioUnits, "get AU channel info\n");
3028 if ((ret = unit.GetChannelInfo (&channel_info, cnt)) < 0) {
3034 /* no explicit info available, so default to 1in/1out */
3036 /* XXX this is wrong. we should be indicating wildcard values */
3038 cinfo.io_configs.push_back (pair<int,int> (-1, -1));
3041 /* store each configuration */
3042 if (comp.Desc().IsGenerator() || comp.Desc().IsMusicDevice()) {
3043 // incrementally add busses
3046 for (uint32_t n = 0; n < cnt; ++n) {
3047 in += channel_info[n].inChannels;
3048 out += channel_info[n].outChannels;
3049 cinfo.io_configs.push_back (pair<int,int> (in, out));
3052 for (uint32_t n = 0; n < cnt; ++n) {
3053 cinfo.io_configs.push_back (pair<int,int> (channel_info[n].inChannels,
3054 channel_info[n].outChannels));
3058 free (channel_info);
3061 add_cached_info (id, cinfo);
3062 save_cached_info ();
3068 AUPluginInfo::add_cached_info (const std::string& id, AUPluginCachedInfo& cinfo)
3070 cached_info[id] = cinfo;
3073 #define AU_CACHE_VERSION "2.0"
3076 AUPluginInfo::save_cached_info ()
3080 node = new XMLNode (X_("AudioUnitPluginCache"));
3081 node->add_property( "version", AU_CACHE_VERSION );
3083 for (map<string,AUPluginCachedInfo>::iterator i = cached_info.begin(); i != cached_info.end(); ++i) {
3084 XMLNode* parent = new XMLNode (X_("plugin"));
3085 parent->add_property ("id", i->first);
3086 node->add_child_nocopy (*parent);
3088 for (vector<pair<int, int> >::iterator j = i->second.io_configs.begin(); j != i->second.io_configs.end(); ++j) {
3090 XMLNode* child = new XMLNode (X_("io"));
3093 snprintf (buf, sizeof (buf), "%d", j->first);
3094 child->add_property (X_("in"), buf);
3095 snprintf (buf, sizeof (buf), "%d", j->second);
3096 child->add_property (X_("out"), buf);
3097 parent->add_child_nocopy (*child);
3102 Glib::ustring path = au_cache_path ();
3105 tree.set_root (node);
3107 if (!tree.write (path)) {
3108 error << string_compose (_("could not save AU cache to %1"), path) << endmsg;
3109 g_unlink (path.c_str());
3114 AUPluginInfo::load_cached_info ()
3116 Glib::ustring path = au_cache_path ();
3119 if (!Glib::file_test (path, Glib::FILE_TEST_EXISTS)) {
3123 if ( !tree.read (path) ) {
3124 error << "au_cache is not a valid XML file. AU plugins will be re-scanned" << endmsg;
3128 const XMLNode* root (tree.root());
3130 if (root->name() != X_("AudioUnitPluginCache")) {
3134 //initial version has incorrectly stored i/o info, and/or garbage chars.
3135 const XMLProperty* version = root->property(X_("version"));
3136 if (! ((version != NULL) && (version->value() == X_(AU_CACHE_VERSION)))) {
3137 error << "au_cache is not correct version. AU plugins will be re-scanned" << endmsg;
3141 cached_info.clear ();
3143 const XMLNodeList children = root->children();
3145 for (XMLNodeConstIterator iter = children.begin(); iter != children.end(); ++iter) {
3147 const XMLNode* child = *iter;
3149 if (child->name() == X_("plugin")) {
3151 const XMLNode* gchild;
3152 const XMLNodeList gchildren = child->children();
3153 const XMLProperty* prop = child->property (X_("id"));
3159 string id = prop->value();
3163 string::size_type slash = id.find_last_of ('/');
3165 if (slash == string::npos) {
3169 version = id.substr (slash);
3170 id = id.substr (0, slash);
3171 fixed = AUPlugin::maybe_fix_broken_au_id (id);
3173 if (fixed.empty()) {
3174 error << string_compose (_("Your AudioUnit configuration cache contains an AU plugin whose ID cannot be understood - ignored (%1)"), id) << endmsg;
3181 AUPluginCachedInfo cinfo;
3183 for (XMLNodeConstIterator giter = gchildren.begin(); giter != gchildren.end(); giter++) {
3187 if (gchild->name() == X_("io")) {
3191 const XMLProperty* iprop;
3192 const XMLProperty* oprop;
3194 if (((iprop = gchild->property (X_("in"))) != 0) &&
3195 ((oprop = gchild->property (X_("out"))) != 0)) {
3196 in = atoi (iprop->value());
3197 out = atoi (oprop->value());
3199 cinfo.io_configs.push_back (pair<int,int> (in, out));
3204 if (cinfo.io_configs.size()) {
3205 add_cached_info (id, cinfo);
3215 AUPluginInfo::stringify_descriptor (const CAComponentDescription& desc)
3219 /* note: OSType is a compiler-implemenation-defined value,
3220 historically a 32 bit integer created with a multi-character
3221 constant such as 'abcd'. It is, fundamentally, an abomination.
3226 s << desc.SubType();
3234 AUPluginInfo::needs_midi_input () const
3236 return is_effect_with_midi_input () || is_instrument ();
3240 AUPluginInfo::is_effect () const
3242 return is_effect_without_midi_input() || is_effect_with_midi_input();
3246 AUPluginInfo::is_effect_without_midi_input () const
3248 return descriptor->IsAUFX();
3252 AUPluginInfo::is_effect_with_midi_input () const
3254 return descriptor->IsAUFM();
3258 AUPluginInfo::is_instrument () const
3260 return descriptor->IsMusicDevice();
3264 AUPlugin::set_info (PluginInfoPtr info)
3266 Plugin::set_info (info);
3268 AUPluginInfoPtr pinfo = boost::dynamic_pointer_cast<AUPluginInfo>(get_info());
3269 _has_midi_input = pinfo->needs_midi_input ();
3270 _has_midi_output = false;
3274 AUPlugin::create_parameter_listener (AUEventListenerProc cb, void* arg, float interval_secs)
3277 CFRunLoopRef run_loop = (CFRunLoopRef) GetCFRunLoopFromEventLoop(GetCurrentEventLoop());
3279 CFRunLoopRef run_loop = CFRunLoopGetCurrent();
3281 CFStringRef loop_mode = kCFRunLoopDefaultMode;
3283 if (AUEventListenerCreate (cb, arg, run_loop, loop_mode, interval_secs, interval_secs, &_parameter_listener) != noErr) {
3287 _parameter_listener_arg = arg;
3293 AUPlugin::listen_to_parameter (uint32_t param_id)
3295 AudioUnitEvent event;
3297 if (!_parameter_listener || param_id >= descriptors.size()) {
3301 event.mEventType = kAudioUnitEvent_ParameterValueChange;
3302 event.mArgument.mParameter.mAudioUnit = unit->AU();
3303 event.mArgument.mParameter.mParameterID = descriptors[param_id].id;
3304 event.mArgument.mParameter.mScope = descriptors[param_id].scope;
3305 event.mArgument.mParameter.mElement = descriptors[param_id].element;
3307 if (AUEventListenerAddEventType (_parameter_listener, _parameter_listener_arg, &event) != noErr) {
3311 event.mEventType = kAudioUnitEvent_BeginParameterChangeGesture;
3312 event.mArgument.mParameter.mAudioUnit = unit->AU();
3313 event.mArgument.mParameter.mParameterID = descriptors[param_id].id;
3314 event.mArgument.mParameter.mScope = descriptors[param_id].scope;
3315 event.mArgument.mParameter.mElement = descriptors[param_id].element;
3317 if (AUEventListenerAddEventType (_parameter_listener, _parameter_listener_arg, &event) != noErr) {
3321 event.mEventType = kAudioUnitEvent_EndParameterChangeGesture;
3322 event.mArgument.mParameter.mAudioUnit = unit->AU();
3323 event.mArgument.mParameter.mParameterID = descriptors[param_id].id;
3324 event.mArgument.mParameter.mScope = descriptors[param_id].scope;
3325 event.mArgument.mParameter.mElement = descriptors[param_id].element;
3327 if (AUEventListenerAddEventType (_parameter_listener, _parameter_listener_arg, &event) != noErr) {
3335 AUPlugin::end_listen_to_parameter (uint32_t param_id)
3337 AudioUnitEvent event;
3339 if (!_parameter_listener || param_id >= descriptors.size()) {
3343 event.mEventType = kAudioUnitEvent_ParameterValueChange;
3344 event.mArgument.mParameter.mAudioUnit = unit->AU();
3345 event.mArgument.mParameter.mParameterID = descriptors[param_id].id;
3346 event.mArgument.mParameter.mScope = descriptors[param_id].scope;
3347 event.mArgument.mParameter.mElement = descriptors[param_id].element;
3349 if (AUEventListenerRemoveEventType (_parameter_listener, _parameter_listener_arg, &event) != noErr) {
3353 event.mEventType = kAudioUnitEvent_BeginParameterChangeGesture;
3354 event.mArgument.mParameter.mAudioUnit = unit->AU();
3355 event.mArgument.mParameter.mParameterID = descriptors[param_id].id;
3356 event.mArgument.mParameter.mScope = descriptors[param_id].scope;
3357 event.mArgument.mParameter.mElement = descriptors[param_id].element;
3359 if (AUEventListenerRemoveEventType (_parameter_listener, _parameter_listener_arg, &event) != noErr) {
3363 event.mEventType = kAudioUnitEvent_EndParameterChangeGesture;
3364 event.mArgument.mParameter.mAudioUnit = unit->AU();
3365 event.mArgument.mParameter.mParameterID = descriptors[param_id].id;
3366 event.mArgument.mParameter.mScope = descriptors[param_id].scope;
3367 event.mArgument.mParameter.mElement = descriptors[param_id].element;
3369 if (AUEventListenerRemoveEventType (_parameter_listener, _parameter_listener_arg, &event) != noErr) {
3377 AUPlugin::_parameter_change_listener (void* arg, void* src, const AudioUnitEvent* event, UInt64 host_time, Float32 new_value)
3379 ((AUPlugin*) arg)->parameter_change_listener (arg, src, event, host_time, new_value);
3383 AUPlugin::parameter_change_listener (void* /*arg*/, void* src, const AudioUnitEvent* event, UInt64 /*host_time*/, Float32 new_value)
3385 ParameterMap::iterator i;
3387 if ((i = parameter_map.find (event->mArgument.mParameter.mParameterID)) == parameter_map.end()) {
3391 switch (event->mEventType) {
3392 case kAudioUnitEvent_BeginParameterChangeGesture:
3393 StartTouch (i->second);
3395 case kAudioUnitEvent_EndParameterChangeGesture:
3396 EndTouch (i->second);
3398 case kAudioUnitEvent_ParameterValueChange:
3399 /* whenever we change a parameter, we request that we are NOT notified of the change, so anytime we arrive here, it
3400 means that something else (i.e. the plugin GUI) made the change.
3402 ParameterChangedExternally (i->second, new_value);