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)
434 , _current_latency (UINT_MAX)
435 , _requires_fixed_size_buffers (false)
437 , variable_inputs (false)
438 , variable_outputs (false)
439 , configured_input_busses (0)
440 , configured_output_busses (0)
448 , frames_processed (0)
449 , audio_input_cnt (0)
450 , _parameter_listener (0)
451 , _parameter_listener_arg (0)
452 , transport_frame (0)
453 , transport_speed (0)
454 , last_transport_speed (0.0)
456 if (!preset_search_path_initialized) {
457 Glib::ustring p = Glib::get_home_dir();
458 p += "/Library/Audio/Presets:";
459 p += preset_search_path;
460 preset_search_path = p;
461 preset_search_path_initialized = true;
462 DEBUG_TRACE (DEBUG::AudioUnits, string_compose("AU Preset Path: %1\n", preset_search_path));
469 AUPlugin::AUPlugin (const AUPlugin& other)
471 , comp (other.get_comp())
472 , unit (new CAAudioUnit)
473 , initialized (false)
475 , _current_latency (UINT_MAX)
476 , _requires_fixed_size_buffers (false)
478 , variable_inputs (false)
479 , variable_outputs (false)
480 , configured_input_busses (0)
481 , configured_output_busses (0)
489 , frames_processed (0)
490 , _parameter_listener (0)
491 , _parameter_listener_arg (0)
492 , transport_frame (0)
493 , transport_speed (0)
494 , last_transport_speed (0.0)
498 for (size_t i = 0; i < descriptors.size(); ++i) {
499 set_parameter (i, other.get_parameter (i));
503 AUPlugin::~AUPlugin ()
505 if (_parameter_listener) {
506 AUListenerDispose (_parameter_listener);
507 _parameter_listener = 0;
511 DEBUG_TRACE (DEBUG::AudioUnits, "about to call uninitialize in plugin destructor\n");
512 unit->Uninitialize ();
522 AUPlugin::discover_factory_presets ()
529 if ((err = unit->GetPropertyInfo (kAudioUnitProperty_FactoryPresets, kAudioUnitScope_Global, 0, &dataSize, &isWritable)) != 0) {
530 DEBUG_TRACE (DEBUG::AudioUnits, "no factory presets for AU\n");
534 assert (dataSize == sizeof (presets));
536 if ((err = unit->GetProperty (kAudioUnitProperty_FactoryPresets, kAudioUnitScope_Global, 0, (void*) &presets, &dataSize)) != 0) {
537 error << string_compose (_("cannot get factory preset info: errcode %1"), err) << endmsg;
545 CFIndex cnt = CFArrayGetCount (presets);
547 for (CFIndex i = 0; i < cnt; ++i) {
548 AUPreset* preset = (AUPreset*) CFArrayGetValueAtIndex (presets, i);
550 string name = CFStringRefToStdString (preset->presetName);
551 factory_preset_map[name] = preset->presetNumber;
552 DEBUG_TRACE (DEBUG::AudioUnits, string_compose("AU Factory Preset: %1 > %2\n", name, preset->presetNumber));
562 CFStringRef itemName;
564 /* these keep track of *configured* channel set up,
565 not potential set ups.
569 output_channels = -1;
571 CAComponentDescription temp;
573 GetComponentInfo (comp.get()->Comp(), &temp, NULL, NULL, NULL);
575 AudioComponentGetDescription (comp.get()->Comp(), &temp);
577 CFStringRef compTypeString = UTCreateStringForOSType(temp.componentType);
578 CFStringRef compSubTypeString = UTCreateStringForOSType(temp.componentSubType);
579 CFStringRef compManufacturerString = UTCreateStringForOSType(temp.componentManufacturer);
580 itemName = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("%@ - %@ - %@"),
581 compTypeString, compManufacturerString, compSubTypeString);
582 if (compTypeString != NULL) CFRelease(compTypeString);
583 if (compSubTypeString != NULL) CFRelease(compSubTypeString);
584 if (compManufacturerString != NULL) CFRelease(compManufacturerString);
587 au_blacklist(CFStringRefToStdString(itemName));
590 DEBUG_TRACE (DEBUG::AudioUnits, "opening AudioUnit\n");
591 err = CAAudioUnit::Open (*(comp.get()), *unit);
593 error << _("Exception thrown during AudioUnit plugin loading - plugin ignored") << endmsg;
594 throw failed_constructor();
598 error << _("AudioUnit: Could not convert CAComponent to CAAudioUnit") << endmsg;
599 throw failed_constructor ();
602 DEBUG_TRACE (DEBUG::AudioUnits, "count global elements\n");
603 unit->GetElementCount (kAudioUnitScope_Global, global_elements);
604 DEBUG_TRACE (DEBUG::AudioUnits, "count input elements\n");
605 unit->GetElementCount (kAudioUnitScope_Input, input_elements);
606 DEBUG_TRACE (DEBUG::AudioUnits, "count output elements\n");
607 unit->GetElementCount (kAudioUnitScope_Output, output_elements);
609 cb_offsets = (framecnt_t*) calloc (input_elements, sizeof(uint32_t));
610 bus_inputs = (uint32_t*) calloc (input_elements, sizeof(uint32_t));
611 bus_outputs = (uint32_t*) calloc (output_elements, sizeof(uint32_t));
613 for (size_t i = 0; i < output_elements; ++i) {
614 unit->Reset (kAudioUnitScope_Output, i);
615 AudioStreamBasicDescription fmt;
616 err = unit->GetFormat (kAudioUnitScope_Output, i, fmt);
618 bus_outputs[i] = fmt.mChannelsPerFrame;
621 UInt32 sz = sizeof (CFStringRef);
622 if (AudioUnitGetProperty (unit->AU(), kAudioUnitProperty_ElementName, kAudioUnitScope_Output,
623 i, &name, &sz) == noErr
625 _bus_name_out.push_back (CFStringRefToStdString (name));
628 _bus_name_out.push_back (string_compose ("Audio-Bus %1", i));
632 for (size_t i = 0; i < input_elements; ++i) {
633 unit->Reset (kAudioUnitScope_Input, i);
634 AudioStreamBasicDescription fmt;
635 err = unit->GetFormat (kAudioUnitScope_Input, i, fmt);
637 bus_inputs[i] = fmt.mChannelsPerFrame;
640 UInt32 sz = sizeof (CFStringRef);
641 if (AudioUnitGetProperty (unit->AU(), kAudioUnitProperty_ElementName, kAudioUnitScope_Input,
642 i, &name, &sz) == noErr
644 _bus_name_in.push_back (CFStringRefToStdString (name));
647 _bus_name_in.push_back (string_compose ("Audio-Bus %1", i));
651 for (size_t i = 0; i < input_elements; ++i) {
652 /* setup render callback: the plugin calls this to get input data */
653 AURenderCallbackStruct renderCallbackInfo;
654 renderCallbackInfo.inputProc = _render_callback;
655 renderCallbackInfo.inputProcRefCon = this;
656 DEBUG_TRACE (DEBUG::AudioUnits, "set render callback in input scope\n");
657 if ((err = unit->SetProperty (kAudioUnitProperty_SetRenderCallback, kAudioUnitScope_Input,
658 i, (void*) &renderCallbackInfo, sizeof(renderCallbackInfo))) != 0) {
659 error << string_compose (_("cannot install render callback (err = %1)"), err) << endmsg;
660 throw failed_constructor();
664 /* tell the plugin about tempo/meter/transport callbacks in case it wants them */
666 HostCallbackInfo info;
667 memset (&info, 0, sizeof (HostCallbackInfo));
668 info.hostUserData = this;
669 info.beatAndTempoProc = _get_beat_and_tempo_callback;
670 info.musicalTimeLocationProc = _get_musical_time_location_callback;
671 info.transportStateProc = _get_transport_state_callback;
673 //ignore result of this - don't care if the property isn't supported
674 DEBUG_TRACE (DEBUG::AudioUnits, "set host callbacks in global scope\n");
675 unit->SetProperty (kAudioUnitProperty_HostCallbacks,
676 kAudioUnitScope_Global,
679 sizeof (HostCallbackInfo));
681 if (set_block_size (_session.get_block_size())) {
682 error << _("AUPlugin: cannot set processing block size") << endmsg;
683 throw failed_constructor();
686 create_parameter_listener (AUPlugin::_parameter_change_listener, this, 0.05);
687 discover_parameters ();
688 discover_factory_presets ();
690 // Plugin::setup_controls ();
692 au_unblacklist(CFStringRefToStdString(itemName));
693 if (itemName != NULL) CFRelease(itemName);
697 AUPlugin::discover_parameters ()
699 /* discover writable parameters */
701 AudioUnitScope scopes[] = {
702 kAudioUnitScope_Global,
703 kAudioUnitScope_Output,
704 kAudioUnitScope_Input
707 descriptors.clear ();
709 for (uint32_t i = 0; i < sizeof (scopes) / sizeof (scopes[0]); ++i) {
711 AUParamInfo param_info (unit->AU(), false, /* include read only */ true, scopes[i]);
713 for (uint32_t i = 0; i < param_info.NumParams(); ++i) {
715 AUParameterDescriptor d;
717 d.id = param_info.ParamID (i);
719 const CAAUParameter* param = param_info.GetParamInfo (d.id);
720 const AudioUnitParameterInfo& info (param->ParamInfo());
722 const int len = CFStringGetLength (param->GetName());
723 char local_buffer[len*2];
724 Boolean good = CFStringGetCString (param->GetName(), local_buffer ,len*2 , kCFStringEncodingUTF8);
728 d.label = local_buffer;
731 d.scope = param_info.GetScope ();
732 d.element = param_info.GetElement ();
734 /* info.units to consider */
736 kAudioUnitParameterUnit_Generic = 0
737 kAudioUnitParameterUnit_Indexed = 1
738 kAudioUnitParameterUnit_Boolean = 2
739 kAudioUnitParameterUnit_Percent = 3
740 kAudioUnitParameterUnit_Seconds = 4
741 kAudioUnitParameterUnit_SampleFrames = 5
742 kAudioUnitParameterUnit_Phase = 6
743 kAudioUnitParameterUnit_Rate = 7
744 kAudioUnitParameterUnit_Hertz = 8
745 kAudioUnitParameterUnit_Cents = 9
746 kAudioUnitParameterUnit_RelativeSemiTones = 10
747 kAudioUnitParameterUnit_MIDINoteNumber = 11
748 kAudioUnitParameterUnit_MIDIController = 12
749 kAudioUnitParameterUnit_Decibels = 13
750 kAudioUnitParameterUnit_LinearGain = 14
751 kAudioUnitParameterUnit_Degrees = 15
752 kAudioUnitParameterUnit_EqualPowerCrossfade = 16
753 kAudioUnitParameterUnit_MixerFaderCurve1 = 17
754 kAudioUnitParameterUnit_Pan = 18
755 kAudioUnitParameterUnit_Meters = 19
756 kAudioUnitParameterUnit_AbsoluteCents = 20
757 kAudioUnitParameterUnit_Octaves = 21
758 kAudioUnitParameterUnit_BPM = 22
759 kAudioUnitParameterUnit_Beats = 23
760 kAudioUnitParameterUnit_Milliseconds = 24
761 kAudioUnitParameterUnit_Ratio = 25
764 /* info.flags to consider */
768 kAudioUnitParameterFlag_CFNameRelease = (1L << 4)
769 kAudioUnitParameterFlag_HasClump = (1L << 20)
770 kAudioUnitParameterFlag_HasName = (1L << 21)
771 kAudioUnitParameterFlag_DisplayLogarithmic = (1L << 22)
772 kAudioUnitParameterFlag_IsHighResolution = (1L << 23)
773 kAudioUnitParameterFlag_NonRealTime = (1L << 24)
774 kAudioUnitParameterFlag_CanRamp = (1L << 25)
775 kAudioUnitParameterFlag_ExpertMode = (1L << 26)
776 kAudioUnitParameterFlag_HasCFNameString = (1L << 27)
777 kAudioUnitParameterFlag_IsGlobalMeta = (1L << 28)
778 kAudioUnitParameterFlag_IsElementMeta = (1L << 29)
779 kAudioUnitParameterFlag_IsReadable = (1L << 30)
780 kAudioUnitParameterFlag_IsWritable = (1L << 31)
783 d.lower = info.minValue;
784 d.upper = info.maxValue;
785 d.normal = info.defaultValue;
787 d.integer_step = (info.unit == kAudioUnitParameterUnit_Indexed);
788 d.toggled = (info.unit == kAudioUnitParameterUnit_Boolean) ||
789 (d.integer_step && ((d.upper - d.lower) == 1.0));
790 d.sr_dependent = (info.unit == kAudioUnitParameterUnit_SampleFrames);
791 d.automatable = /* !d.toggled && -- ardour can automate toggles, can AU ? */
792 !(info.flags & kAudioUnitParameterFlag_NonRealTime) &&
793 (info.flags & kAudioUnitParameterFlag_IsWritable);
795 d.logarithmic = (info.flags & kAudioUnitParameterFlag_DisplayLogarithmic);
796 d.au_unit = info.unit;
798 case kAudioUnitParameterUnit_Decibels:
799 d.unit = ParameterDescriptor::DB;
801 case kAudioUnitParameterUnit_MIDINoteNumber:
802 d.unit = ParameterDescriptor::MIDI_NOTE;
804 case kAudioUnitParameterUnit_Hertz:
805 d.unit = ParameterDescriptor::HZ;
809 d.min_unbound = 0; // lower is bound
810 d.max_unbound = 0; // upper is bound
813 descriptors.push_back (d);
815 uint32_t last_param = descriptors.size() - 1;
816 parameter_map.insert (pair<uint32_t,uint32_t> (d.id, last_param));
817 listen_to_parameter (last_param);
824 four_ints_to_four_byte_literal (unsigned char n[4])
826 /* this is actually implementation dependent. sigh. this is what gcc
827 and quite a few others do.
829 return ((n[0] << 24) + (n[1] << 16) + (n[2] << 8) + n[3]);
833 AUPlugin::maybe_fix_broken_au_id (const std::string& id)
835 if (isdigit (id[0])) {
839 /* ID format is xxxx-xxxx-xxxx
840 where x maybe \xNN or a printable character.
842 Split at the '-' and and process each part into an integer.
843 Then put it back together.
847 unsigned char nascent[4];
848 const char* cstr = id.c_str();
849 const char* estr = cstr + id.size();
860 while (*cstr && next_int < 4) {
864 if (estr - cstr < 3) {
866 /* too close to the end for \xNN parsing: treat as literal characters */
874 if (cstr[1] == 'x' && isxdigit (cstr[2]) && isxdigit (cstr[3])) {
878 memcpy (short_buf, &cstr[2], 2);
879 nascent[in] = strtol (short_buf, NULL, 16);
885 /* treat as literal characters */
899 if (in && (in % 4 == 0)) {
900 /* nascent is ready */
901 n[next_int] = four_ints_to_four_byte_literal (nascent);
905 /* swallow space-hyphen-space */
919 s << n[0] << '-' << n[1] << '-' << n[2];
928 AUPlugin::unique_id () const
930 return AUPluginInfo::stringify_descriptor (comp->Desc());
934 AUPlugin::label () const
936 return _info->name.c_str();
940 AUPlugin::parameter_count () const
942 return descriptors.size();
946 AUPlugin::default_value (uint32_t port)
948 if (port < descriptors.size()) {
949 return descriptors[port].normal;
956 AUPlugin::signal_latency () const
958 guint lat = g_atomic_int_get (&_current_latency);;
959 if (lat == UINT_MAX) {
960 lat = unit->Latency() * _session.frame_rate();
961 g_atomic_int_set (&_current_latency, lat);
967 AUPlugin::set_parameter (uint32_t which, float val)
969 if (which >= descriptors.size()) {
973 if (get_parameter(which) == val) {
977 const AUParameterDescriptor& d (descriptors[which]);
978 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("set parameter %1 in scope %2 element %3 to %4\n", d.id, d.scope, d.element, val));
979 unit->SetParameter (d.id, d.scope, d.element, val);
981 /* tell the world what we did */
983 AudioUnitEvent theEvent;
985 theEvent.mEventType = kAudioUnitEvent_ParameterValueChange;
986 theEvent.mArgument.mParameter.mAudioUnit = unit->AU();
987 theEvent.mArgument.mParameter.mParameterID = d.id;
988 theEvent.mArgument.mParameter.mScope = d.scope;
989 theEvent.mArgument.mParameter.mElement = d.element;
991 DEBUG_TRACE (DEBUG::AudioUnits, "notify about parameter change\n");
992 /* Note the 1st argument, which means "Don't notify us about a change we made ourselves" */
993 AUEventListenerNotify (_parameter_listener, NULL, &theEvent);
995 Plugin::set_parameter (which, val);
999 AUPlugin::get_parameter (uint32_t which) const
1002 if (which < descriptors.size()) {
1003 const AUParameterDescriptor& d (descriptors[which]);
1004 // DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("get value of parameter %1 in scope %2 element %3\n", d.id, d.scope, d.element));
1005 unit->GetParameter(d.id, d.scope, d.element, val);
1011 AUPlugin::get_parameter_descriptor (uint32_t which, ParameterDescriptor& pd) const
1013 if (which < descriptors.size()) {
1014 pd = descriptors[which];
1021 AUPlugin::nth_parameter (uint32_t which, bool& ok) const
1023 if (which < descriptors.size()) {
1032 AUPlugin::activate ()
1036 DEBUG_TRACE (DEBUG::AudioUnits, "call Initialize in activate()\n");
1037 if ((err = unit->Initialize()) != noErr) {
1038 error << string_compose (_("AUPlugin: %1 cannot initialize plugin (err = %2)"), name(), err) << endmsg;
1040 frames_processed = 0;
1047 AUPlugin::deactivate ()
1049 DEBUG_TRACE (DEBUG::AudioUnits, "call Uninitialize in deactivate()\n");
1050 unit->Uninitialize ();
1051 initialized = false;
1057 DEBUG_TRACE (DEBUG::AudioUnits, "call Reset in flush()\n");
1058 unit->GlobalReset ();
1062 AUPlugin::requires_fixed_size_buffers() const
1064 return _requires_fixed_size_buffers;
1069 AUPlugin::set_block_size (pframes_t nframes)
1071 bool was_initialized = initialized;
1072 UInt32 numFrames = nframes;
1079 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("set MaximumFramesPerSlice in global scope to %1\n", numFrames));
1080 if ((err = unit->SetProperty (kAudioUnitProperty_MaximumFramesPerSlice, kAudioUnitScope_Global,
1081 0, &numFrames, sizeof (numFrames))) != noErr) {
1082 error << string_compose (_("AU: cannot set max frames (err = %1)"), err) << endmsg;
1086 if (was_initialized) {
1094 AUPlugin::configure_io (ChanCount in, ChanCount out)
1096 AudioStreamBasicDescription streamFormat;
1097 bool was_initialized = initialized;
1098 int32_t audio_out = out.n_audio();
1099 if (audio_input_cnt > 0) {
1100 in.set (DataType::AUDIO, audio_input_cnt);
1102 const int32_t audio_in = in.n_audio();
1104 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("configure %1 for %2 in %3 out\n", name(), in, out));
1107 //if we are already running with the requested i/o config, bail out here
1108 if ( (audio_in==input_channels) && (audio_out==output_channels) ) {
1115 streamFormat.mSampleRate = _session.frame_rate();
1116 streamFormat.mFormatID = kAudioFormatLinearPCM;
1117 streamFormat.mFormatFlags = kAudioFormatFlagIsFloat|kAudioFormatFlagIsPacked|kAudioFormatFlagIsNonInterleaved;
1119 #ifdef __LITTLE_ENDIAN__
1122 streamFormat.mFormatFlags |= kAudioFormatFlagIsBigEndian;
1125 streamFormat.mBitsPerChannel = 32;
1126 streamFormat.mFramesPerPacket = 1;
1128 /* apple says that for non-interleaved data, these
1129 * values always refer to a single channel.
1131 streamFormat.mBytesPerPacket = 4;
1132 streamFormat.mBytesPerFrame = 4;
1134 configured_input_busses = 0;
1135 configured_output_busses = 0;
1137 for (size_t i = 0; i < output_elements; ++i) {
1138 unit->Reset (kAudioUnitScope_Output, i);
1140 for (size_t i = 0; i < input_elements; ++i) {
1141 unit->Reset (kAudioUnitScope_Input, i);
1144 /* now assign the channels to available busses */
1145 uint32_t used_in = 0;
1146 uint32_t used_out = 0;
1148 if (variable_inputs || input_elements == 1) {
1149 // we only ever use the first bus
1150 if (input_elements > 1) {
1151 warning << string_compose (_("AU %1 has multiple input busses and variable port count."), name()) << endmsg;
1153 streamFormat.mChannelsPerFrame = audio_in;
1154 if (set_stream_format (kAudioUnitScope_Input, 0, streamFormat) != 0) {
1157 configured_input_busses = 1;
1160 configured_input_busses = 0;
1161 uint32_t remain = audio_in;
1162 for (uint32_t bus = 0; remain > 0 && bus < input_elements; ++bus) {
1163 uint32_t cnt = std::min (remain, bus_inputs[bus]);
1164 if (cnt == 0) { continue; }
1165 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1 configure input bus: %2 chn: %3", name(), bus, cnt));
1167 streamFormat.mChannelsPerFrame = cnt;
1168 if (set_stream_format (kAudioUnitScope_Input, bus, streamFormat) != 0) {
1172 ++configured_input_busses;
1177 if (variable_outputs || output_elements == 1) {
1178 if (output_elements > 1) {
1179 warning << string_compose (_("AU %1 has multiple output busses and variable port count."), name()) << endmsg;
1182 streamFormat.mChannelsPerFrame = audio_out;
1183 if (set_stream_format (kAudioUnitScope_Output, 0, streamFormat) != 0) {
1186 configured_output_busses = 1;
1187 used_out = audio_out;
1189 uint32_t remain = audio_out;
1190 configured_output_busses = 0;
1191 for (uint32_t bus = 0; remain > 0 && bus < output_elements; ++bus) {
1192 uint32_t cnt = std::min (remain, bus_outputs[bus]);
1193 if (cnt == 0) { continue; }
1194 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1 configure output bus: %2 chn: %3", name(), bus, cnt));
1195 streamFormat.mChannelsPerFrame = cnt;
1196 if (set_stream_format (kAudioUnitScope_Output, bus, streamFormat) != 0) {
1201 ++configured_output_busses;
1206 buffers = (AudioBufferList *) malloc (offsetof(AudioBufferList, mBuffers) +
1207 used_out * sizeof(::AudioBuffer));
1209 input_channels = used_in;
1210 output_channels = used_out;
1211 /* reset plugin info to show currently configured state */
1213 _info->n_inputs = ChanCount (DataType::AUDIO, used_in) + ChanCount (DataType::MIDI, _has_midi_input ? 1 : 0);
1214 _info->n_outputs = ChanCount (DataType::AUDIO, used_out);
1216 if (was_initialized) {
1224 AUPlugin::input_streams() const
1227 if (input_channels < 0) {
1228 // force PluginIoReConfigure -- see also commit msg e38eb06
1229 c.set (DataType::AUDIO, 0);
1230 c.set (DataType::MIDI, 0);
1232 c.set (DataType::AUDIO, input_channels);
1233 c.set (DataType::MIDI, _has_midi_input ? 1 : 0);
1240 AUPlugin::output_streams() const
1243 if (output_channels < 0) {
1244 // force PluginIoReConfigure - see also commit msg e38eb06
1245 c.set (DataType::AUDIO, 0);
1246 c.set (DataType::MIDI, 0);
1248 c.set (DataType::AUDIO, output_channels);
1249 c.set (DataType::MIDI, _has_midi_output ? 1 : 0);
1255 AUPlugin::can_support_io_configuration (const ChanCount& in, ChanCount& out, ChanCount* imprecise)
1257 _output_configs.clear ();
1258 const int32_t audio_in = in.n_audio();
1259 AUPluginInfoPtr pinfo = boost::dynamic_pointer_cast<AUPluginInfo>(get_info());
1261 /* lets check MIDI first */
1263 if (in.n_midi() > 0 && !_has_midi_input && !imprecise) {
1267 vector<pair<int,int> > io_configs = pinfo->cache.io_configs;
1269 if (input_elements > 1) {
1270 const vector<pair<int,int> >& ioc (pinfo->cache.io_configs);
1271 for (vector<pair<int,int> >::const_iterator i = ioc.begin(); i != ioc.end(); ++i) {
1272 int32_t possible_in = i->first;
1273 int32_t possible_out = i->second;
1274 if (possible_in < 1 || possible_out < 1) {
1277 for (uint32_t i = 1; i < input_elements; ++i) {
1278 // can't use up-to bus_inputs[]
1279 // waves' SC-C6(s) for example fails to configure with only 1 input
1281 io_configs.push_back (pair<int,int> (possible_in + bus_inputs[i], possible_out));
1286 if (output_elements > 1) {
1287 const vector<pair<int,int> >& ioc (pinfo->cache.io_configs);
1288 for (vector<pair<int,int> >::const_iterator i = ioc.begin(); i != ioc.end(); ++i) {
1289 int32_t possible_in = i->first;
1290 int32_t possible_out = i->second;
1291 if (possible_in < 1 || possible_out < 1) {
1294 for (uint32_t i = 1; i < output_elements; ++i) {
1295 int32_t c = bus_outputs[i];
1296 for (uint32_t j = 1; j < i; ++j) {
1297 c += bus_outputs [j];
1299 io_configs.push_back (pair<int,int> (possible_in, possible_out + c));
1304 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1 has %2 IO configurations, looking for %3 in, %4 out\n",
1305 name(), io_configs.size(), in, out));
1308 printf ("AU I/O Configs %s %d\n", name(), io_configs.size());
1309 for (vector<pair<int,int> >::iterator i = io_configs.begin(); i != io_configs.end(); ++i) {
1310 printf ("- I/O %d / %d\n", i->first, i->second);
1314 // preferred setting (provided by plugin_insert)
1315 const int preferred_out = out.n_audio ();
1317 bool exact_match = false;
1319 /* kAudioUnitProperty_SupportedNumChannels
1320 * https://developer.apple.com/library/mac/documentation/MusicAudio/Conceptual/AudioUnitProgrammingGuide/TheAudioUnit/TheAudioUnit.html#//apple_ref/doc/uid/TP40003278-CH12-SW20
1322 * - both fields are -1
1323 * e.g. inChannels = -1 outChannels = -1
1324 * This is the default case. Any number of input and output channels, as long as the numbers match
1326 * - one field is -1, the other field is positive
1327 * e.g. inChannels = -1 outChannels = 2
1328 * Any number of input channels, exactly two output channels
1330 * - one field is -1, the other field is -2
1331 * e.g. inChannels = -1 outChannels = -2
1332 * Any number of input channels, any number of output channels
1334 * - both fields have non-negative values
1335 * e.g. inChannels = 2 outChannels = 6
1336 * Exactly two input channels, exactly six output channels
1337 * e.g. inChannels = 0 outChannels = 2
1338 * No input channels, exactly two output channels (such as for an instrument unit with stereo output)
1340 * - both fields have negative values, neither of which is –1 or –2
1341 * e.g. inChannels = -4 outChannels = -8
1342 * Up to four input channels and up to eight output channels
1345 for (vector<pair<int,int> >::iterator i = io_configs.begin(); i != io_configs.end(); ++i) {
1347 int32_t possible_in = i->first;
1348 int32_t possible_out = i->second;
1350 if ((possible_in == audio_in) && (possible_out == preferred_out)) {
1351 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("\tCHOSEN: %1 in %2 out to match in %3 out %4\n",
1352 possible_in, possible_out,
1356 _output_configs.insert (preferred_out);
1363 /* now allow potentially "imprecise" matches */
1364 int32_t audio_out = -1;
1365 float penalty = 9999;
1366 int used_possible_in = 0;
1367 #if defined (__clang__)
1368 # pragma clang diagnostic push
1369 # pragma clang diagnostic ignored "-Wtautological-compare"
1372 #define FOUNDCFG(nch) { \
1373 float p = fabsf ((float)(nch) - preferred_out); \
1374 _output_configs.insert (nch); \
1375 if ((nch) > preferred_out) { p *= 1.1; } \
1376 if (p < penalty) { \
1377 used_possible_in = possible_in; \
1378 audio_out = (nch); \
1381 variable_inputs = possible_in < 0; \
1382 variable_outputs = possible_out < 0; \
1386 #define ANYTHINGGOES \
1387 _output_configs.insert (0);
1389 #define UPTO(nch) { \
1390 for (int n = 1; n <= nch; ++n) { \
1391 _output_configs.insert (n); \
1395 for (vector<pair<int,int> >::iterator i = io_configs.begin(); i != io_configs.end(); ++i) {
1397 int32_t possible_in = i->first;
1398 int32_t possible_out = i->second;
1400 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("\tpossible in %1 possible out %2\n", possible_in, possible_out));
1402 if (possible_out == 0) {
1403 warning << string_compose (_("AU %1 has zero outputs - configuration ignored"), name()) << endmsg;
1404 /* XXX surely this is just a send? (e.g. AUNetSend) */
1408 if (possible_in == 0) {
1409 /* no inputs, generators & instruments */
1410 if (possible_out == -1) {
1411 /* any configuration possible, provide stereo output */
1412 FOUNDCFG (preferred_out);
1414 } else if (possible_out == -2) {
1415 /* invalid, should be (0, -1) */
1416 FOUNDCFG (preferred_out);
1418 } else if (possible_out < -2) {
1419 /* variable number of outputs up to -N, */
1420 FOUNDCFG (min (-possible_out, preferred_out));
1421 UPTO (-possible_out);
1423 /* exact number of outputs */
1424 FOUNDCFG (possible_out);
1428 if (possible_in == -1) {
1429 /* wildcard for input */
1430 if (possible_out == -1) {
1431 /* out must match in */
1432 FOUNDCFG (audio_in);
1433 } else if (possible_out == -2) {
1434 /* any configuration possible, pick matching */
1435 FOUNDCFG (preferred_out);
1437 } else if (possible_out < -2) {
1438 /* explicitly variable number of outputs, pick maximum */
1439 FOUNDCFG (max (-possible_out, preferred_out));
1440 /* and try min, too, in case the penalty is lower */
1441 FOUNDCFG (min (-possible_out, preferred_out));
1442 UPTO (-possible_out)
1444 /* exact number of outputs */
1445 FOUNDCFG (possible_out);
1449 if (possible_in == -2) {
1450 if (possible_out == -1) {
1451 /* any configuration possible, pick matching */
1452 FOUNDCFG (preferred_out);
1454 } else if (possible_out == -2) {
1455 /* invalid. interpret as (-1, -1) */
1456 FOUNDCFG (preferred_out);
1458 } else if (possible_out < -2) {
1459 /* invalid, interpret as (<-2, <-2)
1460 * variable number of outputs up to -N, */
1461 FOUNDCFG (min (-possible_out, preferred_out));
1462 UPTO (-possible_out)
1464 /* exact number of outputs */
1465 FOUNDCFG (possible_out);
1469 if (possible_in < -2) {
1470 /* explicit variable number of inputs */
1471 if (audio_in > -possible_in && imprecise != NULL) {
1472 // hide inputs ports
1473 imprecise->set (DataType::AUDIO, -possible_in);
1476 if (audio_in > -possible_in && imprecise == NULL) {
1477 /* request is too large */
1478 } else if (possible_out == -1) {
1479 /* any output configuration possible */
1480 FOUNDCFG (preferred_out);
1482 } else if (possible_out == -2) {
1483 /* invalid. interpret as (<-2, -1) */
1484 FOUNDCFG (preferred_out);
1486 } else if (possible_out < -2) {
1487 /* variable number of outputs up to -N, */
1488 FOUNDCFG (min (-possible_out, preferred_out));
1489 UPTO (-possible_out)
1491 /* exact number of outputs */
1492 FOUNDCFG (possible_out);
1496 if (possible_in && (possible_in == audio_in)) {
1497 /* exact number of inputs ... must match obviously */
1498 if (possible_out == -1) {
1499 /* any output configuration possible */
1500 FOUNDCFG (preferred_out);
1502 } else if (possible_out == -2) {
1503 /* plugins shouldn't really use (>0,-2), interpret as (>0,-1) */
1504 FOUNDCFG (preferred_out);
1506 } else if (possible_out < -2) {
1507 /* > 0, < -2 is not specified
1508 * interpret as up to -N */
1509 FOUNDCFG (min (-possible_out, preferred_out));
1510 UPTO (-possible_out)
1512 /* exact number of outputs */
1513 FOUNDCFG (possible_out);
1518 if (!found && imprecise) {
1520 for (vector<pair<int,int> >::iterator i = io_configs.begin(); i != io_configs.end(); ++i) {
1521 int32_t possible_in = i->first;
1522 int32_t possible_out = i->second;
1524 assert (possible_in > 0); // all other cases will have been matched above
1525 assert (possible_out !=0 || possible_in !=0); // already handled above
1527 imprecise->set (DataType::AUDIO, possible_in);
1528 if (possible_out == -1 || possible_out == -2) {
1530 } else if (possible_out < -2) {
1531 /* explicitly variable number of outputs, pick maximum */
1532 FOUNDCFG (min (-possible_out, preferred_out));
1534 /* exact number of outputs */
1535 FOUNDCFG (possible_out);
1537 // ideally we'll also find the closest, best matching
1538 // input configuration with minimal output penalty...
1543 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("\tFAIL: no io configs match %1\n", in));
1548 out.set (DataType::MIDI, 0); // currently always zero
1549 out.set (DataType::AUDIO, preferred_out);
1551 if (used_possible_in < -2 && audio_in == 0) {
1552 // input-port count cannot be zero, use as many ports
1553 // as outputs, but at most abs(possible_in)
1554 audio_input_cnt = max (1, min (audio_out, -used_possible_in));
1556 out.set (DataType::MIDI, 0); /// XXX
1557 out.set (DataType::AUDIO, audio_out);
1559 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("\tCHOSEN: in %1 out %2\n", in, out));
1561 #if defined (__clang__)
1562 # pragma clang diagnostic pop
1568 AUPlugin::set_stream_format (int scope, uint32_t bus, AudioStreamBasicDescription& fmt)
1572 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("set stream format for %1, scope = %2 element %3\n",
1573 (scope == kAudioUnitScope_Input ? "input" : "output"),
1575 if ((result = unit->SetFormat (scope, bus, fmt)) != 0) {
1576 error << string_compose (_("AUPlugin: could not set stream format for %1/%2 (err = %3)"),
1577 (scope == kAudioUnitScope_Input ? "input" : "output"), bus, result) << endmsg;
1584 AUPlugin::render_callback(AudioUnitRenderActionFlags*,
1585 const AudioTimeStamp*,
1587 UInt32 inNumberFrames,
1588 AudioBufferList* ioData)
1590 /* not much to do with audio - the data is already in the buffers given to us in connect_and_run() */
1592 // DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1: render callback, frames %2 bus %3 bufs %4\n",
1593 // name(), inNumberFrames, bus, ioData->mNumberBuffers));
1595 if (input_maxbuf == 0) {
1596 DEBUG_TRACE (DEBUG::AudioUnits, "AUPlugin: render callback called illegally!");
1597 error << _("AUPlugin: render callback called illegally!") << endmsg;
1598 return kAudioUnitErr_CannotDoInCurrentContext;
1601 assert (bus < input_elements);
1602 uint32_t busoff = 0;
1603 for (uint32_t i = 0; i < bus; ++i) {
1604 busoff += bus_inputs[i];
1607 uint32_t limit = min ((uint32_t) ioData->mNumberBuffers, input_maxbuf);
1609 ChanCount bufs_count (DataType::AUDIO, 1);
1610 BufferSet& silent_bufs = _session.get_silent_buffers(bufs_count);
1612 /* apply bus offsets */
1614 for (uint32_t i = 0; i < limit; ++i) {
1615 ioData->mBuffers[i].mNumberChannels = 1;
1616 ioData->mBuffers[i].mDataByteSize = sizeof (Sample) * inNumberFrames;
1619 uint32_t idx = input_map->get (DataType::AUDIO, i + busoff, &valid);
1621 ioData->mBuffers[i].mData = input_buffers->get_audio (idx).data (cb_offsets[bus] + input_offset);
1623 ioData->mBuffers[i].mData = silent_bufs.get_audio(0).data (cb_offsets[bus] + input_offset);
1626 cb_offsets[bus] += inNumberFrames;
1631 AUPlugin::connect_and_run (BufferSet& bufs,
1632 framepos_t start, framepos_t end, double speed,
1633 ChanMapping in_map, ChanMapping out_map,
1634 pframes_t nframes, framecnt_t offset)
1636 Plugin::connect_and_run(bufs, start, end, speed, in_map, out_map, nframes, offset);
1638 transport_frame = start;
1639 transport_speed = speed;
1641 AudioUnitRenderActionFlags flags = 0;
1645 if (requires_fixed_size_buffers() && (nframes != _last_nframes)) {
1646 unit->GlobalReset();
1647 _last_nframes = nframes;
1650 /* test if we can run in-place; only compare audio buffers */
1651 bool inplace = true; // TODO check plugin-insert in-place ?
1652 ChanMapping::Mappings inmap (in_map.mappings ());
1653 ChanMapping::Mappings outmap (out_map.mappings ());
1654 if (outmap[DataType::AUDIO].size () == 0) {
1657 if (inmap[DataType::AUDIO].size() > 0 && inmap != outmap) {
1661 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1 in %2 out %3 MIDI %4 bufs %5 (available %6) InBus %7 OutBus %8 Inplace: %9 var-i/o %10 %11\n",
1662 name(), input_channels, output_channels, _has_midi_input,
1663 bufs.count(), bufs.available(),
1664 configured_input_busses, configured_output_busses, inplace, variable_inputs, variable_outputs));
1666 /* the apparent number of buffers matches our input configuration, but we know that the bufferset
1667 * has the capacity to handle our outputs.
1670 assert (bufs.available() >= ChanCount (DataType::AUDIO, output_channels));
1672 input_buffers = &bufs;
1673 input_map = &in_map;
1674 input_maxbuf = bufs.count().n_audio(); // number of input audio buffers
1675 input_offset = offset;
1676 for (size_t i = 0; i < input_elements; ++i) {
1680 ChanCount bufs_count (DataType::AUDIO, 1);
1681 BufferSet& scratch_bufs = _session.get_scratch_buffers(bufs_count);
1683 if (_has_midi_input) {
1684 uint32_t nmidi = bufs.count().n_midi();
1685 for (uint32_t i = 0; i < nmidi; ++i) {
1686 /* one MIDI port/buffer only */
1687 MidiBuffer& m = bufs.get_midi (i);
1688 for (MidiBuffer::iterator i = m.begin(); i != m.end(); ++i) {
1689 Evoral::MIDIEvent<framepos_t> ev (*i);
1690 if (ev.is_channel_event()) {
1691 const uint8_t* b = ev.buffer();
1692 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1: MIDI event %2\n", name(), ev));
1693 unit->MIDIEvent (b[0], b[1], b[2], ev.time());
1695 /* XXX need to handle sysex and other message types */
1700 assert (input_maxbuf < 512);
1701 std::bitset<512> used_outputs;
1704 uint32_t busoff = 0;
1705 uint32_t remain = output_channels;
1706 for (uint32_t bus = 0; remain > 0 && bus < configured_output_busses; ++bus) {
1708 if (variable_outputs || (output_elements == configured_output_busses && configured_output_busses == 1)) {
1709 cnt = output_channels;
1711 cnt = std::min (remain, bus_outputs[bus]);
1715 buffers->mNumberBuffers = cnt;
1717 for (uint32_t i = 0; i < cnt; ++i) {
1718 buffers->mBuffers[i].mNumberChannels = 1;
1719 buffers->mBuffers[i].mDataByteSize = nframes * sizeof (Sample);
1720 /* setting this to 0 indicates to the AU that it can provide buffers here
1721 * if necessary. if it can process in-place, it will use the buffers provided
1722 * as input by ::render_callback() above.
1724 * a non-null values tells the plugin to render into the buffer pointed
1728 buffers->mBuffers[i].mData = 0;
1731 uint32_t idx = out_map.get (DataType::AUDIO, i + busoff, &valid);
1733 buffers->mBuffers[i].mData = bufs.get_audio (idx).data (offset);
1735 buffers->mBuffers[i].mData = scratch_bufs.get_audio(0).data(offset);
1740 /* does this really mean anything ? */
1741 ts.mSampleTime = frames_processed;
1742 ts.mFlags = kAudioTimeStampSampleTimeValid;
1744 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1 render flags=%2 time=%3 nframes=%4 bus=%5 buffers=%6\n",
1745 name(), flags, frames_processed, nframes, bus, buffers->mNumberBuffers));
1747 if ((err = unit->Render (&flags, &ts, bus, nframes, buffers)) == noErr) {
1749 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1 rendered %2 buffers of %3\n",
1750 name(), buffers->mNumberBuffers, output_channels));
1752 uint32_t limit = std::min ((uint32_t) buffers->mNumberBuffers, cnt);
1753 for (uint32_t i = 0; i < limit; ++i) {
1755 uint32_t idx = out_map.get (DataType::AUDIO, i + busoff, &valid);
1756 if (!valid) continue;
1757 used_outputs.set (i + busoff);
1758 Sample* expected_buffer_address = bufs.get_audio (idx).data (offset);
1759 if (expected_buffer_address != buffers->mBuffers[i].mData) {
1760 /* plugin provided its own buffer for output so copy it back to where we want it */
1761 memcpy (expected_buffer_address, buffers->mBuffers[i].mData, nframes * sizeof (Sample));
1765 DEBUG_TRACE (DEBUG::AudioUnits, string_compose (_("AU: render error for %1, bus %2 status = %3\n"), name(), bus, err));
1766 error << string_compose (_("AU: render error for %1, bus %2 status = %3"), name(), bus, err) << endmsg;
1772 busoff += bus_outputs[bus];
1775 /* now silence any buffers that were passed in but the that the plugin
1776 * did not fill/touch/use.
1778 * TODO: optimize, when plugin-insert is processing in-place
1779 * unconnected buffers are (also) cleared there.
1781 for (uint32_t i = 0; i < input_maxbuf; ++i) {
1782 if (used_outputs.test (i)) { continue; }
1784 uint32_t idx = out_map.get (DataType::AUDIO, i, &valid);
1785 if (!valid) continue;
1786 memset (bufs.get_audio (idx).data (offset), 0, nframes * sizeof (Sample));
1792 frames_processed += nframes;
1799 AUPlugin::get_beat_and_tempo_callback (Float64* outCurrentBeat,
1800 Float64* outCurrentTempo)
1802 TempoMap& tmap (_session.tempo_map());
1804 DEBUG_TRACE (DEBUG::AudioUnits, "AU calls ardour beat&tempo callback\n");
1806 /* more than 1 meter or more than 1 tempo means that a simplistic computation
1807 (and interpretation) of a beat position will be incorrect. So refuse to
1811 if (tmap.n_tempos() > 1 || tmap.n_meters() > 1) {
1812 return kAudioUnitErr_CannotDoInCurrentContext;
1815 TempoMetric metric = tmap.metric_at (transport_frame + input_offset);
1816 Timecode::BBT_Time bbt = _session.tempo_map().bbt_at_frame (transport_frame + input_offset);
1818 if (outCurrentBeat) {
1819 const double ppq_scaling = metric.meter().note_divisor() / 4.0;
1821 beat = metric.meter().divisions_per_bar() * (bbt.bars - 1);
1822 beat += (bbt.beats - 1);
1823 beat += bbt.ticks / Timecode::BBT_Time::ticks_per_beat;
1824 *outCurrentBeat = beat * ppq_scaling;
1827 if (outCurrentTempo) {
1828 *outCurrentTempo = floor (metric.tempo().beats_per_minute());
1836 AUPlugin::get_musical_time_location_callback (UInt32* outDeltaSampleOffsetToNextBeat,
1837 Float32* outTimeSig_Numerator,
1838 UInt32* outTimeSig_Denominator,
1839 Float64* outCurrentMeasureDownBeat)
1841 TempoMap& tmap (_session.tempo_map());
1843 DEBUG_TRACE (DEBUG::AudioUnits, "AU calls ardour music time location callback\n");
1845 /* more than 1 meter or more than 1 tempo means that a simplistic computation
1846 (and interpretation) of a beat position will be incorrect. So refuse to
1850 if (tmap.n_tempos() > 1 || tmap.n_meters() > 1) {
1851 return kAudioUnitErr_CannotDoInCurrentContext;
1854 TempoMetric metric = tmap.metric_at (transport_frame + input_offset);
1855 Timecode::BBT_Time bbt = _session.tempo_map().bbt_at_frame (transport_frame + input_offset);
1857 if (outDeltaSampleOffsetToNextBeat) {
1858 if (bbt.ticks == 0) {
1860 *outDeltaSampleOffsetToNextBeat = 0;
1862 double const beat_frac_to_next = (Timecode::BBT_Time::ticks_per_beat - bbt.ticks) / Timecode::BBT_Time::ticks_per_beat;
1863 *outDeltaSampleOffsetToNextBeat = tmap.frame_at_beat (tmap.beat_at_frame (transport_frame + input_offset) + beat_frac_to_next);
1867 if (outTimeSig_Numerator) {
1868 *outTimeSig_Numerator = (UInt32) lrintf (metric.meter().divisions_per_bar());
1870 if (outTimeSig_Denominator) {
1871 *outTimeSig_Denominator = (UInt32) lrintf (metric.meter().note_divisor());
1874 if (outCurrentMeasureDownBeat) {
1876 /* beat for the start of the bar.
1878 2|1|0 -> 1 + divisions_per_bar
1879 3|1|0 -> 1 + (2 * divisions_per_bar)
1883 *outCurrentMeasureDownBeat = 1 + metric.meter().divisions_per_bar() * (bbt.bars - 1);
1890 AUPlugin::get_transport_state_callback (Boolean* outIsPlaying,
1891 Boolean* outTransportStateChanged,
1892 Float64* outCurrentSampleInTimeLine,
1893 Boolean* outIsCycling,
1894 Float64* outCycleStartBeat,
1895 Float64* outCycleEndBeat)
1897 const bool rolling = (transport_speed != 0);
1898 const bool last_transport_rolling = (last_transport_speed != 0);
1900 DEBUG_TRACE (DEBUG::AudioUnits, "AU calls ardour transport state callback\n");
1904 *outIsPlaying = rolling;
1907 if (outTransportStateChanged) {
1908 if (rolling != last_transport_rolling) {
1909 *outTransportStateChanged = true;
1910 } else if (transport_speed != last_transport_speed) {
1911 *outTransportStateChanged = true;
1913 *outTransportStateChanged = false;
1917 if (outCurrentSampleInTimeLine) {
1918 /* this assumes that the AU can only call this host callback from render context,
1919 where input_offset is valid.
1921 *outCurrentSampleInTimeLine = transport_frame + input_offset;
1925 // TODO check bounce-processing
1926 Location* loc = _session.locations()->auto_loop_location();
1928 *outIsCycling = (loc && rolling && _session.get_play_loop());
1930 if (*outIsCycling) {
1932 if (outCycleStartBeat || outCycleEndBeat) {
1934 TempoMap& tmap (_session.tempo_map());
1936 /* more than 1 meter means that a simplistic computation (and interpretation) of
1937 a beat position will be incorrect. so refuse to offer the value.
1940 if (tmap.n_meters() > 1) {
1941 return kAudioUnitErr_CannotDoInCurrentContext;
1944 Timecode::BBT_Time bbt;
1946 if (outCycleStartBeat) {
1947 TempoMetric metric = tmap.metric_at (loc->start() + input_offset);
1948 bbt = _session.tempo_map().bbt_at_frame (loc->start() + input_offset);
1951 beat = metric.meter().divisions_per_bar() * bbt.bars;
1953 beat += bbt.ticks / Timecode::BBT_Time::ticks_per_beat;
1955 *outCycleStartBeat = beat;
1958 if (outCycleEndBeat) {
1959 TempoMetric metric = tmap.metric_at (loc->end() + input_offset);
1960 bbt = _session.tempo_map().bbt_at_frame (loc->end() + input_offset);
1963 beat = metric.meter().divisions_per_bar() * bbt.bars;
1965 beat += bbt.ticks / Timecode::BBT_Time::ticks_per_beat;
1967 *outCycleEndBeat = beat;
1973 last_transport_speed = transport_speed;
1978 set<Evoral::Parameter>
1979 AUPlugin::automatable() const
1981 set<Evoral::Parameter> automates;
1983 for (uint32_t i = 0; i < descriptors.size(); ++i) {
1984 if (descriptors[i].automatable) {
1985 automates.insert (automates.end(), Evoral::Parameter (PluginAutomation, 0, i));
1992 Plugin::IOPortDescription
1993 AUPlugin::describe_io_port (ARDOUR::DataType dt, bool input, uint32_t id) const
1995 std::stringstream ss;
1997 case DataType::AUDIO:
1999 case DataType::MIDI:
2007 if (dt == DataType::AUDIO) {
2010 for (uint32_t bus = 0; bus < input_elements; ++bus) {
2011 if (pid < bus_inputs[bus]) {
2013 ss << _bus_name_in[bus];
2014 ss << " / Bus " << (1 + bus);
2017 pid -= bus_inputs[bus];
2022 for (uint32_t bus = 0; bus < output_elements; ++bus) {
2023 if (pid < bus_outputs[bus]) {
2025 ss << _bus_name_out[bus];
2026 ss << " / Bus " << (1 + bus);
2029 pid -= bus_outputs[bus];
2035 ss << " " << _("In") << " ";
2037 ss << " " << _("Out") << " ";
2042 Plugin::IOPortDescription iod (ss.str());
2047 AUPlugin::describe_parameter (Evoral::Parameter param)
2049 if (param.type() == PluginAutomation && param.id() < parameter_count()) {
2050 return descriptors[param.id()].label;
2057 AUPlugin::print_parameter (uint32_t /*param*/, char* /*buf*/, uint32_t /*len*/) const
2059 // NameValue stuff here
2063 AUPlugin::parameter_is_audio (uint32_t) const
2069 AUPlugin::parameter_is_control (uint32_t param) const
2071 assert(param < descriptors.size());
2072 if (descriptors[param].automatable) {
2073 /* corrently ardour expects all controls to be automatable
2074 * IOW ardour GUI elements mandate an Evoral::Parameter
2075 * for all input+control ports.
2083 AUPlugin::parameter_is_input (uint32_t param) const
2085 /* AU params that are both readable and writeable,
2086 * are listed in kAudioUnitScope_Global
2088 return (descriptors[param].scope == kAudioUnitScope_Input || descriptors[param].scope == kAudioUnitScope_Global);
2092 AUPlugin::parameter_is_output (uint32_t param) const
2094 assert(param < descriptors.size());
2095 // TODO check if ardour properly handles ports
2096 // that report is_input + is_output == true
2097 // -> add || descriptors[param].scope == kAudioUnitScope_Global
2098 return (descriptors[param].scope == kAudioUnitScope_Output);
2102 AUPlugin::add_state (XMLNode* root) const
2106 CFPropertyListRef propertyList;
2108 DEBUG_TRACE (DEBUG::AudioUnits, "get preset state\n");
2109 if (unit->GetAUPreset (propertyList) != noErr) {
2113 // Convert the property list into XML data.
2115 xmlData = CFPropertyListCreateXMLData( kCFAllocatorDefault, propertyList);
2118 error << _("Could not create XML version of property list") << endmsg;
2122 /* re-parse XML bytes to create a libxml++ XMLTree that we can merge into
2123 our state node. GACK!
2128 if (t.read_buffer (string ((const char*) CFDataGetBytePtr (xmlData), CFDataGetLength (xmlData)))) {
2130 root->add_child_copy (*t.root());
2134 CFRelease (xmlData);
2135 CFRelease (propertyList);
2139 AUPlugin::set_state(const XMLNode& node, int version)
2142 CFPropertyListRef propertyList;
2145 if (node.name() != state_node_name()) {
2146 error << _("Bad node sent to AUPlugin::set_state") << endmsg;
2150 #ifndef NO_PLUGIN_STATE
2151 if (node.children().empty()) {
2155 XMLNode* top = node.children().front();
2156 XMLNode* copy = new XMLNode (*top);
2161 const string& xml = t.write_buffer ();
2162 CFDataRef xmlData = CFDataCreateWithBytesNoCopy (kCFAllocatorDefault, (UInt8*) xml.data(), xml.length(), kCFAllocatorNull);
2163 CFStringRef errorString;
2165 propertyList = CFPropertyListCreateFromXMLData( kCFAllocatorDefault,
2167 kCFPropertyListImmutable,
2170 CFRelease (xmlData);
2173 DEBUG_TRACE (DEBUG::AudioUnits, "set preset\n");
2174 if (unit->SetAUPreset (propertyList) == noErr) {
2177 /* tell the world */
2179 AudioUnitParameter changedUnit;
2180 changedUnit.mAudioUnit = unit->AU();
2181 changedUnit.mParameterID = kAUParameterListener_AnyParameter;
2182 AUParameterListenerNotify (NULL, NULL, &changedUnit);
2184 CFRelease (propertyList);
2188 Plugin::set_state (node, version);
2193 AUPlugin::load_preset (PresetRecord r)
2195 Plugin::load_preset (r);
2198 CFPropertyListRef propertyList;
2200 UserPresetMap::iterator ux;
2201 FactoryPresetMap::iterator fx;
2203 /* look first in "user" presets */
2205 if ((ux = user_preset_map.find (r.label)) != user_preset_map.end()) {
2207 if ((propertyList = load_property_list (ux->second)) != 0) {
2208 DEBUG_TRACE (DEBUG::AudioUnits, "set preset from user presets\n");
2209 if (unit->SetAUPreset (propertyList) == noErr) {
2212 /* tell the world */
2214 AudioUnitParameter changedUnit;
2215 changedUnit.mAudioUnit = unit->AU();
2216 changedUnit.mParameterID = kAUParameterListener_AnyParameter;
2217 AUParameterListenerNotify (NULL, NULL, &changedUnit);
2219 CFRelease(propertyList);
2222 } else if ((fx = factory_preset_map.find (r.label)) != factory_preset_map.end()) {
2226 preset.presetNumber = fx->second;
2227 preset.presetName = CFStringCreateWithCString (kCFAllocatorDefault, fx->first.c_str(), kCFStringEncodingUTF8);
2229 DEBUG_TRACE (DEBUG::AudioUnits, "set preset from factory presets\n");
2231 if (unit->SetPresentPreset (preset) == 0) {
2234 /* tell the world */
2236 AudioUnitParameter changedUnit;
2237 changedUnit.mAudioUnit = unit->AU();
2238 changedUnit.mParameterID = kAUParameterListener_AnyParameter;
2239 AUParameterListenerNotify (NULL, NULL, &changedUnit);
2247 AUPlugin::do_remove_preset (std::string)
2252 AUPlugin::do_save_preset (string preset_name)
2254 CFPropertyListRef propertyList;
2255 vector<Glib::ustring> v;
2256 Glib::ustring user_preset_path;
2258 std::string m = maker();
2259 std::string n = name();
2261 strip_whitespace_edges (m);
2262 strip_whitespace_edges (n);
2264 v.push_back (Glib::get_home_dir());
2265 v.push_back ("Library");
2266 v.push_back ("Audio");
2267 v.push_back ("Presets");
2271 user_preset_path = Glib::build_filename (v);
2273 if (g_mkdir_with_parents (user_preset_path.c_str(), 0775) < 0) {
2274 error << string_compose (_("Cannot create user plugin presets folder (%1)"), user_preset_path) << endmsg;
2278 DEBUG_TRACE (DEBUG::AudioUnits, "get current preset\n");
2279 if (unit->GetAUPreset (propertyList) != noErr) {
2283 // add the actual preset name */
2285 v.push_back (preset_name + preset_suffix);
2289 user_preset_path = Glib::build_filename (v);
2291 set_preset_name_in_plist (propertyList, preset_name);
2293 if (save_property_list (propertyList, user_preset_path)) {
2294 error << string_compose (_("Saving plugin state to %1 failed"), user_preset_path) << endmsg;
2298 CFRelease(propertyList);
2300 user_preset_map[preset_name] = user_preset_path;;
2302 DEBUG_TRACE (DEBUG::AudioUnits, string_compose("AU Saving Preset to %1\n", user_preset_path));
2304 return string ("file:///") + user_preset_path;
2307 //-----------------------------------------------------------------------------
2308 // this is just a little helper function used by GetAUComponentDescriptionFromPresetFile()
2310 GetDictionarySInt32Value(CFDictionaryRef inAUStateDictionary, CFStringRef inDictionaryKey, Boolean * outSuccess)
2312 CFNumberRef cfNumber;
2313 SInt32 numberValue = 0;
2314 Boolean dummySuccess;
2316 if (outSuccess == NULL)
2317 outSuccess = &dummySuccess;
2318 if ( (inAUStateDictionary == NULL) || (inDictionaryKey == NULL) )
2320 *outSuccess = FALSE;
2324 cfNumber = (CFNumberRef) CFDictionaryGetValue(inAUStateDictionary, inDictionaryKey);
2325 if (cfNumber == NULL)
2327 *outSuccess = FALSE;
2330 *outSuccess = CFNumberGetValue(cfNumber, kCFNumberSInt32Type, &numberValue);
2338 GetAUComponentDescriptionFromStateData(CFPropertyListRef inAUStateData, ArdourDescription * outComponentDescription)
2340 CFDictionaryRef auStateDictionary;
2341 ArdourDescription tempDesc = {0,0,0,0,0};
2342 SInt32 versionValue;
2345 if ( (inAUStateData == NULL) || (outComponentDescription == NULL) )
2348 // the property list for AU state data must be of the dictionary type
2349 if (CFGetTypeID(inAUStateData) != CFDictionaryGetTypeID()) {
2350 return kAudioUnitErr_InvalidPropertyValue;
2353 auStateDictionary = (CFDictionaryRef)inAUStateData;
2355 // first check to make sure that the version of the AU state data is one that we know understand
2356 // XXX should I really do this? later versions would probably still hold these ID keys, right?
2357 versionValue = GetDictionarySInt32Value(auStateDictionary, CFSTR(kAUPresetVersionKey), &gotValue);
2360 return kAudioUnitErr_InvalidPropertyValue;
2362 #define kCurrentSavedStateVersion 0
2363 if (versionValue != kCurrentSavedStateVersion) {
2364 return kAudioUnitErr_InvalidPropertyValue;
2367 // grab the ComponentDescription values from the AU state data
2368 tempDesc.componentType = (OSType) GetDictionarySInt32Value(auStateDictionary, CFSTR(kAUPresetTypeKey), NULL);
2369 tempDesc.componentSubType = (OSType) GetDictionarySInt32Value(auStateDictionary, CFSTR(kAUPresetSubtypeKey), NULL);
2370 tempDesc.componentManufacturer = (OSType) GetDictionarySInt32Value(auStateDictionary, CFSTR(kAUPresetManufacturerKey), NULL);
2371 // zero values are illegit for specific ComponentDescriptions, so zero for any value means that there was an error
2372 if ( (tempDesc.componentType == 0) || (tempDesc.componentSubType == 0) || (tempDesc.componentManufacturer == 0) )
2373 return kAudioUnitErr_InvalidPropertyValue;
2375 *outComponentDescription = tempDesc;
2380 static bool au_preset_filter (const string& str, void* arg)
2382 /* Not a dotfile, has a prefix before a period, suffix is aupreset */
2386 ret = (str[0] != '.' && str.length() > 9 && str.find (preset_suffix) == (str.length() - preset_suffix.length()));
2390 /* check the preset file path name against this plugin
2391 ID. The idea is that all preset files for this plugin
2392 include "<manufacturer>/<plugin-name>" in their path.
2395 AUPluginInfo* p = (AUPluginInfo *) arg;
2396 string match = p->creator;
2400 ret = str.find (match) != string::npos;
2403 string m = p->creator;
2405 strip_whitespace_edges (m);
2406 strip_whitespace_edges (n);
2411 ret = str.find (match) != string::npos;
2419 check_and_get_preset_name (ArdourComponent component, const string& pathstr, string& preset_name)
2422 CFPropertyListRef plist;
2423 ArdourDescription presetDesc;
2426 plist = load_property_list (pathstr);
2432 // get the ComponentDescription from the AU preset file
2434 status = GetAUComponentDescriptionFromStateData(plist, &presetDesc);
2436 if (status == noErr) {
2437 if (ComponentAndDescriptionMatch_Loosely(component, &presetDesc)) {
2439 /* try to get the preset name from the property list */
2441 if (CFGetTypeID(plist) == CFDictionaryGetTypeID()) {
2443 const void* psk = CFDictionaryGetValue ((CFMutableDictionaryRef)plist, CFSTR(kAUPresetNameKey));
2447 const char* p = CFStringGetCStringPtr ((CFStringRef) psk, kCFStringEncodingUTF8);
2450 char buf[PATH_MAX+1];
2452 if (CFStringGetCString ((CFStringRef)psk, buf, sizeof (buf), kCFStringEncodingUTF8)) {
2469 get_names (CAComponentDescription& comp_desc, std::string& name, std::string& maker)
2471 get_names (ArdourComponent& comp, std::string& name, std::string& maker)
2474 CFStringRef itemName = NULL;
2475 // Marc Poirier-style item name
2477 CAComponent auComponent (comp_desc);
2478 if (auComponent.IsValid()) {
2479 CAComponentDescription dummydesc;
2480 Handle nameHandle = NewHandle(sizeof(void*));
2481 if (nameHandle != NULL) {
2482 OSErr err = GetComponentInfo(auComponent.Comp(), &dummydesc, nameHandle, NULL, NULL);
2484 ConstStr255Param nameString = (ConstStr255Param) (*nameHandle);
2485 if (nameString != NULL) {
2486 itemName = CFStringCreateWithPascalString(kCFAllocatorDefault, nameString, CFStringGetSystemEncoding());
2489 DisposeHandle(nameHandle);
2494 AudioComponentCopyName (comp, &itemName);
2497 // if Marc-style fails, do the original way
2498 if (itemName == NULL) {
2499 #ifndef COREAUDIO105
2500 CAComponentDescription comp_desc;
2501 AudioComponentGetDescription (comp, &comp_desc);
2503 CFStringRef compTypeString = UTCreateStringForOSType(comp_desc.componentType);
2504 CFStringRef compSubTypeString = UTCreateStringForOSType(comp_desc.componentSubType);
2505 CFStringRef compManufacturerString = UTCreateStringForOSType(comp_desc.componentManufacturer);
2507 itemName = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("%@ - %@ - %@"),
2508 compTypeString, compManufacturerString, compSubTypeString);
2510 if (compTypeString != NULL)
2511 CFRelease(compTypeString);
2512 if (compSubTypeString != NULL)
2513 CFRelease(compSubTypeString);
2514 if (compManufacturerString != NULL)
2515 CFRelease(compManufacturerString);
2518 string str = CFStringRefToStdString(itemName);
2519 string::size_type colon = str.find (':');
2522 name = str.substr (colon+1);
2523 maker = str.substr (0, colon);
2524 strip_whitespace_edges (maker);
2525 strip_whitespace_edges (name);
2529 strip_whitespace_edges (name);
2534 AUPlugin::current_preset() const
2538 CFPropertyListRef propertyList;
2540 DEBUG_TRACE (DEBUG::AudioUnits, "get current preset for current_preset()\n");
2541 if (unit->GetAUPreset (propertyList) == noErr) {
2542 preset_name = get_preset_name_in_plist (propertyList);
2543 CFRelease(propertyList);
2550 AUPlugin::find_presets ()
2552 vector<string> preset_files;
2554 user_preset_map.clear ();
2556 PluginInfoPtr nfo = get_info();
2557 find_files_matching_filter (preset_files, preset_search_path, au_preset_filter,
2558 boost::dynamic_pointer_cast<AUPluginInfo> (nfo).get(),
2561 if (preset_files.empty()) {
2562 DEBUG_TRACE (DEBUG::AudioUnits, "AU No Preset Files found for given plugin.\n");
2565 for (vector<string>::iterator x = preset_files.begin(); x != preset_files.end(); ++x) {
2570 /* make an initial guess at the preset name using the path */
2572 preset_name = Glib::path_get_basename (path);
2573 preset_name = preset_name.substr (0, preset_name.find_last_of ('.'));
2575 /* check that this preset file really matches this plugin
2576 and potentially get the "real" preset name from
2580 if (check_and_get_preset_name (get_comp()->Comp(), path, preset_name)) {
2581 user_preset_map[preset_name] = path;
2582 DEBUG_TRACE (DEBUG::AudioUnits, string_compose("AU Preset File: %1 > %2\n", preset_name, path));
2584 DEBUG_TRACE (DEBUG::AudioUnits, string_compose("AU INVALID Preset: %1 > %2\n", preset_name, path));
2589 /* now fill the vector<string> with the names we have */
2591 for (UserPresetMap::iterator i = user_preset_map.begin(); i != user_preset_map.end(); ++i) {
2592 _presets.insert (make_pair (i->second, Plugin::PresetRecord (i->second, i->first)));
2593 DEBUG_TRACE (DEBUG::AudioUnits, string_compose("AU Adding User Preset: %1 > %2\n", i->first, i->second));
2596 /* add factory presets */
2598 for (FactoryPresetMap::iterator i = factory_preset_map.begin(); i != factory_preset_map.end(); ++i) {
2600 string const uri = string_compose ("%1", _presets.size ());
2601 _presets.insert (make_pair (uri, Plugin::PresetRecord (uri, i->first, false)));
2602 DEBUG_TRACE (DEBUG::AudioUnits, string_compose("AU Adding Factory Preset: %1 > %2\n", i->first, i->second));
2607 AUPlugin::has_editor () const
2609 // even if the plugin doesn't have its own editor, the AU API can be used
2610 // to create one that looks native.
2614 AUPluginInfo::AUPluginInfo (boost::shared_ptr<CAComponentDescription> d)
2618 type = ARDOUR::AudioUnit;
2621 AUPluginInfo::~AUPluginInfo ()
2623 type = ARDOUR::AudioUnit;
2627 AUPluginInfo::load (Session& session)
2632 DEBUG_TRACE (DEBUG::AudioUnits, "load AU as a component\n");
2633 boost::shared_ptr<CAComponent> comp (new CAComponent(*descriptor));
2635 if (!comp->IsValid()) {
2636 error << ("AudioUnit: not a valid Component") << endmsg;
2638 plugin.reset (new AUPlugin (session.engine(), session, comp));
2641 AUPluginInfo *aup = new AUPluginInfo (*this);
2642 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("plugin info for %1 = %2\n", this, aup));
2643 plugin->set_info (PluginInfoPtr (aup));
2644 boost::dynamic_pointer_cast<AUPlugin> (plugin)->set_fixed_size_buffers (aup->creator == "Universal Audio");
2648 catch (failed_constructor &err) {
2649 DEBUG_TRACE (DEBUG::AudioUnits, "failed to load component/plugin\n");
2650 return PluginPtr ();
2654 std::vector<Plugin::PresetRecord>
2655 AUPluginInfo::get_presets (bool user_only) const
2657 std::vector<Plugin::PresetRecord> p;
2658 boost::shared_ptr<CAComponent> comp;
2659 #ifndef NO_PLUGIN_STATE
2661 comp = boost::shared_ptr<CAComponent>(new CAComponent(*descriptor));
2662 if (!comp->IsValid()) {
2663 throw failed_constructor();
2665 } catch (failed_constructor& err) {
2671 if (!preset_search_path_initialized) {
2672 Glib::ustring p = Glib::get_home_dir();
2673 p += "/Library/Audio/Presets:";
2674 p += preset_search_path;
2675 preset_search_path = p;
2676 preset_search_path_initialized = true;
2677 DEBUG_TRACE (DEBUG::AudioUnits, string_compose("AU Preset Path: %1\n", preset_search_path));
2680 vector<string> preset_files;
2681 find_files_matching_filter (preset_files, preset_search_path, au_preset_filter, const_cast<AUPluginInfo*>(this), true, true, true);
2683 for (vector<string>::iterator x = preset_files.begin(); x != preset_files.end(); ++x) {
2686 preset_name = Glib::path_get_basename (path);
2687 preset_name = preset_name.substr (0, preset_name.find_last_of ('.'));
2688 if (check_and_get_preset_name (comp.get()->Comp(), path, preset_name)) {
2689 p.push_back (Plugin::PresetRecord (path, preset_name));
2703 boost::shared_ptr<CAAudioUnit> unit (new CAAudioUnit);
2704 if (noErr != CAAudioUnit::Open (*(comp.get()), *unit)) {
2707 if (noErr != unit->GetPropertyInfo (kAudioUnitProperty_FactoryPresets, kAudioUnitScope_Global, 0, &dataSize, &isWritable)) {
2708 unit->Uninitialize ();
2711 if (noErr != unit->GetProperty (kAudioUnitProperty_FactoryPresets, kAudioUnitScope_Global, 0, (void*) &presets, &dataSize)) {
2712 unit->Uninitialize ();
2716 unit->Uninitialize ();
2720 CFIndex cnt = CFArrayGetCount (presets);
2721 for (CFIndex i = 0; i < cnt; ++i) {
2722 AUPreset* preset = (AUPreset*) CFArrayGetValueAtIndex (presets, i);
2723 string const uri = string_compose ("%1", i);
2724 string name = CFStringRefToStdString (preset->presetName);
2725 p.push_back (Plugin::PresetRecord (uri, name, false));
2727 CFRelease (presets);
2728 unit->Uninitialize ();
2730 #endif // NO_PLUGIN_STATE
2735 AUPluginInfo::au_cache_path ()
2737 return Glib::build_filename (ARDOUR::user_cache_directory(), "au_cache");
2741 AUPluginInfo::discover (bool scan_only)
2745 /* AU require a CAComponentDescription pointer provided by the OS.
2746 * Ardour only caches port and i/o config. It can't just 'scan' without
2747 * 'discovering' (like we do for VST).
2750 * "Iterate over all plugins. skip the ones where there's no io-cache".
2752 _scan_only = scan_only;
2754 if (!Glib::file_test (au_cache_path(), Glib::FILE_TEST_EXISTS)) {
2755 ARDOUR::BootMessage (_("Discovering AudioUnit plugins (could take some time ...)"));
2756 // flush RAM cache -- after clear_cache()
2757 cached_info.clear();
2759 // create crash log file
2760 au_start_crashlog ();
2762 PluginInfoList* plugs = new PluginInfoList;
2764 discover_fx (*plugs);
2765 discover_music (*plugs);
2766 discover_generators (*plugs);
2767 discover_instruments (*plugs);
2769 // all fine if we get here
2770 au_remove_crashlog ();
2772 DEBUG_TRACE (DEBUG::PluginManager, string_compose ("AU: discovered %1 plugins\n", plugs->size()));
2778 AUPluginInfo::discover_music (PluginInfoList& plugs)
2780 CAComponentDescription desc;
2781 desc.componentFlags = 0;
2782 desc.componentFlagsMask = 0;
2783 desc.componentSubType = 0;
2784 desc.componentManufacturer = 0;
2785 desc.componentType = kAudioUnitType_MusicEffect;
2787 discover_by_description (plugs, desc);
2791 AUPluginInfo::discover_fx (PluginInfoList& plugs)
2793 CAComponentDescription desc;
2794 desc.componentFlags = 0;
2795 desc.componentFlagsMask = 0;
2796 desc.componentSubType = 0;
2797 desc.componentManufacturer = 0;
2798 desc.componentType = kAudioUnitType_Effect;
2800 discover_by_description (plugs, desc);
2804 AUPluginInfo::discover_generators (PluginInfoList& plugs)
2806 CAComponentDescription desc;
2807 desc.componentFlags = 0;
2808 desc.componentFlagsMask = 0;
2809 desc.componentSubType = 0;
2810 desc.componentManufacturer = 0;
2811 desc.componentType = kAudioUnitType_Generator;
2813 discover_by_description (plugs, desc);
2817 AUPluginInfo::discover_instruments (PluginInfoList& plugs)
2819 CAComponentDescription desc;
2820 desc.componentFlags = 0;
2821 desc.componentFlagsMask = 0;
2822 desc.componentSubType = 0;
2823 desc.componentManufacturer = 0;
2824 desc.componentType = kAudioUnitType_MusicDevice;
2826 discover_by_description (plugs, desc);
2831 AUPluginInfo::au_get_crashlog (std::string &msg)
2833 string fn = Glib::build_filename (ARDOUR::user_cache_directory(), "au_crashlog.txt");
2834 if (!Glib::file_test (fn, Glib::FILE_TEST_EXISTS)) {
2837 std::ifstream ifs(fn.c_str());
2838 msg.assign ((std::istreambuf_iterator<char>(ifs)), (std::istreambuf_iterator<char>()));
2839 au_remove_crashlog ();
2844 AUPluginInfo::au_start_crashlog ()
2846 string fn = Glib::build_filename (ARDOUR::user_cache_directory(), "au_crashlog.txt");
2847 assert(!_crashlog_fd);
2848 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("Creating AU Log: %1\n", fn));
2849 if (!(_crashlog_fd = fopen(fn.c_str(), "w"))) {
2850 PBD::error << "Cannot create AU error-log" << fn << "\n";
2851 cerr << "Cannot create AU error-log" << fn << "\n";
2856 AUPluginInfo::au_remove_crashlog ()
2859 ::fclose(_crashlog_fd);
2860 _crashlog_fd = NULL;
2862 string fn = Glib::build_filename (ARDOUR::user_cache_directory(), "au_crashlog.txt");
2863 ::g_unlink(fn.c_str());
2864 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("Remove AU Log: %1\n", fn));
2869 AUPluginInfo::au_crashlog (std::string msg)
2871 if (!_crashlog_fd) {
2872 fprintf(stderr, "AU: %s\n", msg.c_str());
2874 fprintf(_crashlog_fd, "AU: %s\n", msg.c_str());
2875 ::fflush(_crashlog_fd);
2880 AUPluginInfo::discover_by_description (PluginInfoList& plugs, CAComponentDescription& desc)
2882 ArdourComponent comp = 0;
2883 au_crashlog(string_compose("Start AU discovery for Type: %1", (int)desc.componentType));
2885 comp = ArdourFindNext (NULL, &desc);
2887 while (comp != NULL) {
2888 CAComponentDescription temp;
2890 GetComponentInfo (comp, &temp, NULL, NULL, NULL);
2892 AudioComponentGetDescription (comp, &temp);
2894 CFStringRef itemName = NULL;
2897 if (itemName != NULL) CFRelease(itemName);
2898 CFStringRef compTypeString = UTCreateStringForOSType(temp.componentType);
2899 CFStringRef compSubTypeString = UTCreateStringForOSType(temp.componentSubType);
2900 CFStringRef compManufacturerString = UTCreateStringForOSType(temp.componentManufacturer);
2901 itemName = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("%@ - %@ - %@"),
2902 compTypeString, compManufacturerString, compSubTypeString);
2903 au_crashlog(string_compose("Scanning ID: %1", CFStringRefToStdString(itemName)));
2904 if (compTypeString != NULL)
2905 CFRelease(compTypeString);
2906 if (compSubTypeString != NULL)
2907 CFRelease(compSubTypeString);
2908 if (compManufacturerString != NULL)
2909 CFRelease(compManufacturerString);
2912 if (is_blacklisted(CFStringRefToStdString(itemName))) {
2913 info << string_compose (_("Skipped blacklisted AU plugin %1 "), CFStringRefToStdString(itemName)) << endmsg;
2914 comp = ArdourFindNext (comp, &desc);
2918 bool has_midi_in = false;
2920 AUPluginInfoPtr info (new AUPluginInfo
2921 (boost::shared_ptr<CAComponentDescription> (new CAComponentDescription(temp))));
2923 /* although apple designed the subtype field to be a "category" indicator,
2924 its really turned into a plugin ID field for a given manufacturer. Hence
2925 there are no categories for AudioUnits. However, to keep the plugins
2926 showing up under "categories", we'll use the "type" as a high level
2929 NOTE: no panners, format converters or i/o AU's for our purposes
2932 switch (info->descriptor->Type()) {
2933 case kAudioUnitType_Panner:
2934 case kAudioUnitType_OfflineEffect:
2935 case kAudioUnitType_FormatConverter:
2936 comp = ArdourFindNext (comp, &desc);
2939 case kAudioUnitType_Output:
2940 info->category = _("AudioUnit Outputs");
2942 case kAudioUnitType_MusicDevice:
2943 info->category = _("AudioUnit Instruments");
2946 case kAudioUnitType_MusicEffect:
2947 info->category = _("AudioUnit MusicEffects");
2950 case kAudioUnitType_Effect:
2951 info->category = _("AudioUnit Effects");
2953 case kAudioUnitType_Mixer:
2954 info->category = _("AudioUnit Mixers");
2956 case kAudioUnitType_Generator:
2957 info->category = _("AudioUnit Generators");
2960 info->category = _("AudioUnit (Unknown)");
2964 au_blacklist(CFStringRefToStdString(itemName));
2966 get_names (temp, info->name, info->creator);
2968 get_names (comp, info->name, info->creator);
2970 ARDOUR::PluginScanMessage(_("AU"), info->name, false);
2971 au_crashlog(string_compose("Plugin: %1", info->name));
2973 info->type = ARDOUR::AudioUnit;
2974 info->unique_id = stringify_descriptor (*info->descriptor);
2976 /* XXX not sure of the best way to handle plugin versioning yet */
2978 CAComponent cacomp (*info->descriptor);
2981 if (cacomp.GetResourceVersion (info->version) != noErr)
2983 if (cacomp.GetVersion (info->version) != noErr)
2989 const int rv = cached_io_configuration (info->unique_id, info->version, cacomp, info->cache, info->name);
2992 /* here we have to map apple's wildcard system to a simple pair
2993 of values. in ::can_do() we use the whole system, but here
2994 we need a single pair of values. XXX probably means we should
2995 remove any use of these values.
2997 for now, if the plugin provides a wildcard, treat it as 1. we really
2998 don't care much, because whether we can handle an i/o configuration
2999 depends upon ::can_support_io_configuration(), not these counts.
3001 they exist because other parts of ardour try to present i/o configuration
3002 info to the user, which should perhaps be revisited.
3005 int32_t possible_in = info->cache.io_configs.front().first;
3006 int32_t possible_out = info->cache.io_configs.front().second;
3008 if (possible_in > 0) {
3009 info->n_inputs.set (DataType::AUDIO, possible_in);
3011 info->n_inputs.set (DataType::AUDIO, 1);
3014 info->n_inputs.set (DataType::MIDI, has_midi_in ? 1 : 0);
3016 if (possible_out > 0) {
3017 info->n_outputs.set (DataType::AUDIO, possible_out);
3019 info->n_outputs.set (DataType::AUDIO, 1);
3022 DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("detected AU %1 with %2 i/o configurations - %3\n",
3023 info->name.c_str(), info->cache.io_configs.size(), info->unique_id));
3025 plugs.push_back (info);
3028 else if (rv == -1) {
3029 error << string_compose (_("Cannot get I/O configuration info for AU %1"), info->name) << endmsg;
3032 au_unblacklist(CFStringRefToStdString(itemName));
3033 au_crashlog("Success.");
3034 comp = ArdourFindNext (comp, &desc);
3035 if (itemName != NULL) CFRelease(itemName); itemName = NULL;
3037 au_crashlog(string_compose("End AU discovery for Type: %1", (int)desc.componentType));
3041 AUPluginInfo::cached_io_configuration (const std::string& unique_id,
3044 AUPluginCachedInfo& cinfo,
3045 const std::string& name)
3050 /* concatenate unique ID with version to provide a key for cached info lookup.
3051 this ensures we don't get stale information, or should if plugin developers
3052 follow Apple "guidelines".
3055 snprintf (buf, sizeof (buf), "%u", (uint32_t) version);
3060 CachedInfoMap::iterator cim = cached_info.find (id);
3062 if (cim != cached_info.end()) {
3063 cinfo = cim->second;
3068 PBD::info << string_compose (_("Skipping AU %1 (not indexed. Discover new plugins to add)"), name) << endmsg;
3073 AUChannelInfo* channel_info;
3077 ARDOUR::BootMessage (string_compose (_("Checking AudioUnit: %1"), name));
3081 if (CAAudioUnit::Open (comp, unit) != noErr) {
3087 warning << string_compose (_("Could not load AU plugin %1 - ignored"), name) << endmsg;
3092 DEBUG_TRACE (DEBUG::AudioUnits, "get AU channel info\n");
3093 if ((ret = unit.GetChannelInfo (&channel_info, cnt)) < 0) {
3098 /* AU is expected to deal with same channel valance in and out */
3099 cinfo.io_configs.push_back (pair<int,int> (-1, -1));
3101 /* CAAudioUnit::GetChannelInfo silently merges bus formats
3102 * check if this was the case and if so, add
3103 * bus configs as incremental options.
3105 Boolean* isWritable = 0;
3106 UInt32 dataSize = 0;
3107 OSStatus result = AudioUnitGetPropertyInfo (unit.AU(),
3108 kAudioUnitProperty_SupportedNumChannels,
3109 kAudioUnitScope_Global, 0,
3110 &dataSize, isWritable);
3111 if (result != noErr && (comp.Desc().IsGenerator() || comp.Desc().IsMusicDevice())) {
3112 /* incrementally add busses */
3115 for (uint32_t n = 0; n < cnt; ++n) {
3116 in += channel_info[n].inChannels;
3117 out += channel_info[n].outChannels;
3118 cinfo.io_configs.push_back (pair<int,int> (in, out));
3121 /* store each configuration */
3122 for (uint32_t n = 0; n < cnt; ++n) {
3123 cinfo.io_configs.push_back (pair<int,int> (channel_info[n].inChannels,
3124 channel_info[n].outChannels));
3128 free (channel_info);
3131 add_cached_info (id, cinfo);
3132 save_cached_info ();
3138 AUPluginInfo::clear_cache ()
3140 const string& fn = au_cache_path();
3141 if (Glib::file_test (fn, Glib::FILE_TEST_EXISTS)) {
3142 ::g_unlink(fn.c_str());
3144 // keep cached_info in RAM until restart or re-scan
3145 cached_info.clear();
3149 AUPluginInfo::add_cached_info (const std::string& id, AUPluginCachedInfo& cinfo)
3151 cached_info[id] = cinfo;
3154 #define AU_CACHE_VERSION "2.0"
3157 AUPluginInfo::save_cached_info ()
3161 node = new XMLNode (X_("AudioUnitPluginCache"));
3162 node->add_property( "version", AU_CACHE_VERSION );
3164 for (map<string,AUPluginCachedInfo>::iterator i = cached_info.begin(); i != cached_info.end(); ++i) {
3165 XMLNode* parent = new XMLNode (X_("plugin"));
3166 parent->add_property ("id", i->first);
3167 node->add_child_nocopy (*parent);
3169 for (vector<pair<int, int> >::iterator j = i->second.io_configs.begin(); j != i->second.io_configs.end(); ++j) {
3171 XMLNode* child = new XMLNode (X_("io"));
3174 snprintf (buf, sizeof (buf), "%d", j->first);
3175 child->add_property (X_("in"), buf);
3176 snprintf (buf, sizeof (buf), "%d", j->second);
3177 child->add_property (X_("out"), buf);
3178 parent->add_child_nocopy (*child);
3183 Glib::ustring path = au_cache_path ();
3186 tree.set_root (node);
3188 if (!tree.write (path)) {
3189 error << string_compose (_("could not save AU cache to %1"), path) << endmsg;
3190 g_unlink (path.c_str());
3195 AUPluginInfo::load_cached_info ()
3197 Glib::ustring path = au_cache_path ();
3200 if (!Glib::file_test (path, Glib::FILE_TEST_EXISTS)) {
3204 if ( !tree.read (path) ) {
3205 error << "au_cache is not a valid XML file. AU plugins will be re-scanned" << endmsg;
3209 const XMLNode* root (tree.root());
3211 if (root->name() != X_("AudioUnitPluginCache")) {
3215 //initial version has incorrectly stored i/o info, and/or garbage chars.
3216 XMLProperty const * version = root->property(X_("version"));
3217 if (! ((version != NULL) && (version->value() == X_(AU_CACHE_VERSION)))) {
3218 error << "au_cache is not correct version. AU plugins will be re-scanned" << endmsg;
3222 cached_info.clear ();
3224 const XMLNodeList children = root->children();
3226 for (XMLNodeConstIterator iter = children.begin(); iter != children.end(); ++iter) {
3228 const XMLNode* child = *iter;
3230 if (child->name() == X_("plugin")) {
3232 const XMLNode* gchild;
3233 const XMLNodeList gchildren = child->children();
3234 XMLProperty const * prop = child->property (X_("id"));
3240 string id = prop->value();
3244 string::size_type slash = id.find_last_of ('/');
3246 if (slash == string::npos) {
3250 version = id.substr (slash);
3251 id = id.substr (0, slash);
3252 fixed = AUPlugin::maybe_fix_broken_au_id (id);
3254 if (fixed.empty()) {
3255 error << string_compose (_("Your AudioUnit configuration cache contains an AU plugin whose ID cannot be understood - ignored (%1)"), id) << endmsg;
3262 AUPluginCachedInfo cinfo;
3264 for (XMLNodeConstIterator giter = gchildren.begin(); giter != gchildren.end(); giter++) {
3268 if (gchild->name() == X_("io")) {
3272 XMLProperty const * iprop;
3273 XMLProperty const * oprop;
3275 if (((iprop = gchild->property (X_("in"))) != 0) &&
3276 ((oprop = gchild->property (X_("out"))) != 0)) {
3277 in = atoi (iprop->value());
3278 out = atoi (oprop->value());
3280 cinfo.io_configs.push_back (pair<int,int> (in, out));
3285 if (cinfo.io_configs.size()) {
3286 add_cached_info (id, cinfo);
3296 AUPluginInfo::stringify_descriptor (const CAComponentDescription& desc)
3300 /* note: OSType is a compiler-implemenation-defined value,
3301 historically a 32 bit integer created with a multi-character
3302 constant such as 'abcd'. It is, fundamentally, an abomination.
3307 s << desc.SubType();
3315 AUPluginInfo::needs_midi_input () const
3317 return is_effect_with_midi_input () || is_instrument ();
3321 AUPluginInfo::is_effect () const
3323 return is_effect_without_midi_input() || is_effect_with_midi_input();
3327 AUPluginInfo::is_effect_without_midi_input () const
3329 return descriptor->IsAUFX();
3333 AUPluginInfo::is_effect_with_midi_input () const
3335 return descriptor->IsAUFM();
3339 AUPluginInfo::is_instrument () const
3341 return descriptor->IsMusicDevice();
3345 AUPlugin::set_info (PluginInfoPtr info)
3347 Plugin::set_info (info);
3349 AUPluginInfoPtr pinfo = boost::dynamic_pointer_cast<AUPluginInfo>(get_info());
3350 _has_midi_input = pinfo->needs_midi_input ();
3351 _has_midi_output = false;
3355 AUPlugin::create_parameter_listener (AUEventListenerProc cb, void* arg, float interval_secs)
3358 CFRunLoopRef run_loop = (CFRunLoopRef) GetCFRunLoopFromEventLoop(GetCurrentEventLoop());
3360 CFRunLoopRef run_loop = CFRunLoopGetCurrent();
3362 CFStringRef loop_mode = kCFRunLoopDefaultMode;
3364 if (AUEventListenerCreate (cb, arg, run_loop, loop_mode, interval_secs, interval_secs, &_parameter_listener) != noErr) {
3368 _parameter_listener_arg = arg;
3370 // listen for latency changes
3371 AudioUnitEvent event;
3372 event.mEventType = kAudioUnitEvent_PropertyChange;
3373 event.mArgument.mProperty.mAudioUnit = unit->AU();
3374 event.mArgument.mProperty.mPropertyID = kAudioUnitProperty_Latency;
3375 event.mArgument.mProperty.mScope = kAudioUnitScope_Global;
3376 event.mArgument.mProperty.mElement = 0;
3378 if (AUEventListenerAddEventType (_parameter_listener, _parameter_listener_arg, &event) != noErr) {
3379 PBD::error << "Failed to create latency event listener\n";
3380 // TODO don't cache _current_latency
3387 AUPlugin::listen_to_parameter (uint32_t param_id)
3389 AudioUnitEvent event;
3391 if (!_parameter_listener || param_id >= descriptors.size()) {
3395 event.mEventType = kAudioUnitEvent_ParameterValueChange;
3396 event.mArgument.mParameter.mAudioUnit = unit->AU();
3397 event.mArgument.mParameter.mParameterID = descriptors[param_id].id;
3398 event.mArgument.mParameter.mScope = descriptors[param_id].scope;
3399 event.mArgument.mParameter.mElement = descriptors[param_id].element;
3401 if (AUEventListenerAddEventType (_parameter_listener, _parameter_listener_arg, &event) != noErr) {
3405 event.mEventType = kAudioUnitEvent_BeginParameterChangeGesture;
3406 event.mArgument.mParameter.mAudioUnit = unit->AU();
3407 event.mArgument.mParameter.mParameterID = descriptors[param_id].id;
3408 event.mArgument.mParameter.mScope = descriptors[param_id].scope;
3409 event.mArgument.mParameter.mElement = descriptors[param_id].element;
3411 if (AUEventListenerAddEventType (_parameter_listener, _parameter_listener_arg, &event) != noErr) {
3415 event.mEventType = kAudioUnitEvent_EndParameterChangeGesture;
3416 event.mArgument.mParameter.mAudioUnit = unit->AU();
3417 event.mArgument.mParameter.mParameterID = descriptors[param_id].id;
3418 event.mArgument.mParameter.mScope = descriptors[param_id].scope;
3419 event.mArgument.mParameter.mElement = descriptors[param_id].element;
3421 if (AUEventListenerAddEventType (_parameter_listener, _parameter_listener_arg, &event) != noErr) {
3429 AUPlugin::end_listen_to_parameter (uint32_t param_id)
3431 AudioUnitEvent event;
3433 if (!_parameter_listener || param_id >= descriptors.size()) {
3437 event.mEventType = kAudioUnitEvent_ParameterValueChange;
3438 event.mArgument.mParameter.mAudioUnit = unit->AU();
3439 event.mArgument.mParameter.mParameterID = descriptors[param_id].id;
3440 event.mArgument.mParameter.mScope = descriptors[param_id].scope;
3441 event.mArgument.mParameter.mElement = descriptors[param_id].element;
3443 if (AUEventListenerRemoveEventType (_parameter_listener, _parameter_listener_arg, &event) != noErr) {
3447 event.mEventType = kAudioUnitEvent_BeginParameterChangeGesture;
3448 event.mArgument.mParameter.mAudioUnit = unit->AU();
3449 event.mArgument.mParameter.mParameterID = descriptors[param_id].id;
3450 event.mArgument.mParameter.mScope = descriptors[param_id].scope;
3451 event.mArgument.mParameter.mElement = descriptors[param_id].element;
3453 if (AUEventListenerRemoveEventType (_parameter_listener, _parameter_listener_arg, &event) != noErr) {
3457 event.mEventType = kAudioUnitEvent_EndParameterChangeGesture;
3458 event.mArgument.mParameter.mAudioUnit = unit->AU();
3459 event.mArgument.mParameter.mParameterID = descriptors[param_id].id;
3460 event.mArgument.mParameter.mScope = descriptors[param_id].scope;
3461 event.mArgument.mParameter.mElement = descriptors[param_id].element;
3463 if (AUEventListenerRemoveEventType (_parameter_listener, _parameter_listener_arg, &event) != noErr) {
3471 AUPlugin::_parameter_change_listener (void* arg, void* src, const AudioUnitEvent* event, UInt64 host_time, Float32 new_value)
3473 ((AUPlugin*) arg)->parameter_change_listener (arg, src, event, host_time, new_value);
3477 AUPlugin::parameter_change_listener (void* /*arg*/, void* src, const AudioUnitEvent* event, UInt64 /*host_time*/, Float32 new_value)
3479 if (event->mEventType == kAudioUnitEvent_PropertyChange) {
3480 if (event->mArgument.mProperty.mPropertyID == kAudioUnitProperty_Latency) {
3481 DEBUG_TRACE (DEBUG::AudioUnits, string_compose("AU Latency Change Event %1 <> %2\n", new_value, unit->Latency()));
3482 guint lat = unit->Latency() * _session.frame_rate();
3483 g_atomic_int_set (&_current_latency, lat);
3488 ParameterMap::iterator i;
3490 if ((i = parameter_map.find (event->mArgument.mParameter.mParameterID)) == parameter_map.end()) {
3494 switch (event->mEventType) {
3495 case kAudioUnitEvent_BeginParameterChangeGesture:
3496 StartTouch (i->second);
3498 case kAudioUnitEvent_EndParameterChangeGesture:
3499 EndTouch (i->second);
3501 case kAudioUnitEvent_ParameterValueChange:
3502 /* whenever we change a parameter, we request that we are NOT notified of the change, so anytime we arrive here, it
3503 means that something else (i.e. the plugin GUI) made the change.
3505 ParameterChangedExternally (i->second, new_value);