2 Copyright (C) 2006 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include <pbd/transmitter.h>
23 #include <pbd/xml++.h>
24 #include <pbd/whitespace.h>
26 #include <glibmm/thread.h>
28 #include <ardour/audioengine.h>
29 #include <ardour/io.h>
30 #include <ardour/audio_unit.h>
31 #include <ardour/session.h>
32 #include <ardour/utils.h>
34 #include <appleutility/CAAudioUnit.h>
36 #include <CoreServices/CoreServices.h>
37 #include <AudioUnit/AudioUnit.h>
43 using namespace ARDOUR;
46 _render_callback(void *userData,
47 AudioUnitRenderActionFlags *ioActionFlags,
48 const AudioTimeStamp *inTimeStamp,
50 UInt32 inNumberFrames,
51 AudioBufferList* ioData)
53 return ((AUPlugin*)userData)->render_callback (ioActionFlags, inTimeStamp, inBusNumber, inNumberFrames, ioData);
56 AUPlugin::AUPlugin (AudioEngine& engine, Session& session, boost::shared_ptr<CAComponent> _comp)
58 Plugin (engine, session),
60 unit (new CAAudioUnit),
68 OSErr err = CAAudioUnit::Open (*(comp.get()), *unit);
71 error << _("AudioUnit: Could not convert CAComponent to CAAudioUnit") << endmsg;
72 throw failed_constructor ();
75 AURenderCallbackStruct renderCallbackInfo;
77 renderCallbackInfo.inputProc = _render_callback;
78 renderCallbackInfo.inputProcRefCon = this;
80 if ((err = unit->SetProperty (kAudioUnitProperty_SetRenderCallback, kAudioUnitScope_Input,
81 0, (void*) &renderCallbackInfo, sizeof(renderCallbackInfo))) != 0) {
82 cerr << "cannot install render callback (err = " << err << ')' << endl;
83 throw failed_constructor();
86 unit->GetElementCount (kAudioUnitScope_Input, input_elements);
87 unit->GetElementCount (kAudioUnitScope_Output, output_elements);
89 // set up the basic stream format. these fields do not change
91 streamFormat.mSampleRate = session.frame_rate();
92 streamFormat.mFormatID = kAudioFormatLinearPCM;
93 streamFormat.mFormatFlags = kAudioFormatFlagIsFloat|kAudioFormatFlagIsPacked|kAudioFormatFlagIsNonInterleaved;
94 streamFormat.mBitsPerChannel = 32;
95 streamFormat.mFramesPerPacket = 1;
97 // subject to later modification as we discover channel counts
99 streamFormat.mBytesPerPacket = 4;
100 streamFormat.mBytesPerFrame = 4;
101 streamFormat.mChannelsPerFrame = 1;
105 if (_set_block_size (_session.get_block_size())) {
106 error << _("AUPlugin: cannot set processing block size") << endmsg;
107 throw failed_constructor();
111 AUPlugin::~AUPlugin ()
114 unit->Uninitialize ();
123 AUPlugin::unique_id () const
125 return AUPluginInfo::stringify_descriptor (comp->Desc());
129 AUPlugin::label () const
131 return _info->name.c_str();
135 AUPlugin::parameter_count () const
141 AUPlugin::default_value (uint32_t port)
143 // AudioUnits don't have default values. Maybe presets though?
148 AUPlugin::latency () const
150 return unit->Latency ();
154 AUPlugin::set_parameter (uint32_t which, float val)
156 // unit->SetParameter (parameter_map[which].first, parameter_map[which].second, 0, val);
160 AUPlugin::get_parameter (uint32_t which) const
162 float outValue = 0.0;
164 // unit->GetParameter(parameter_map[which].first, parameter_map[which].second, 0, outValue);
170 AUPlugin::get_parameter_descriptor (uint32_t which, ParameterDescriptor&) const
176 AUPlugin::nth_parameter (uint32_t which, bool& ok) const
182 AUPlugin::activate ()
186 if ((err = unit->Initialize()) != noErr) {
187 error << string_compose (_("AUPlugin: cannot initialize plugin (err = %1)"), err) << endmsg;
189 frames_processed = 0;
196 AUPlugin::deactivate ()
198 unit->GlobalReset ();
202 AUPlugin::set_block_size (nframes_t nframes)
204 _set_block_size (nframes);
208 AUPlugin::_set_block_size (nframes_t nframes)
210 bool was_initialized = initialized;
211 UInt32 numFrames = nframes;
215 unit->Uninitialize ();
218 if ((err = unit->SetProperty (kAudioUnitProperty_MaximumFramesPerSlice, kAudioUnitScope_Global,
219 0, &numFrames, sizeof (numFrames))) != noErr) {
220 cerr << "cannot set max frames (err = " << err << ')' << endl;
224 if (was_initialized) {
232 AUPlugin::can_support_input_configuration (int32_t in)
234 streamFormat.mChannelsPerFrame = in;
235 /* apple says that for non-interleaved data, these
236 values always refer to a single channel.
238 streamFormat.mBytesPerPacket = 4;
239 streamFormat.mBytesPerFrame = 4;
241 if (set_input_format () == 0) {
249 AUPlugin::set_input_format ()
251 return set_stream_format (kAudioUnitScope_Input, input_elements);
255 AUPlugin::set_output_format ()
257 return set_stream_format (kAudioUnitScope_Output, output_elements);
261 AUPlugin::set_stream_format (int scope, uint32_t cnt)
265 for (uint32_t i = 0; i < cnt; ++i) {
266 if ((result = unit->SetFormat (scope, i, streamFormat)) != 0) {
267 error << string_compose (_("AUPlugin: could not set stream format for %1/%2 (err = %3)"),
268 (scope == kAudioUnitScope_Input ? "input" : "output"), i, result) << endmsg;
273 if (scope == kAudioUnitScope_Input) {
283 AUPlugin::compute_output_streams (int32_t nplugins)
285 /* we will never replicate AU plugins - either they can do the I/O we need
286 or not. thus, we can ignore nplugins entirely.
289 if (set_output_format() == 0) {
296 buffers = (AudioBufferList *) malloc (offsetof(AudioBufferList, mBuffers) +
297 streamFormat.mChannelsPerFrame * sizeof(AudioBuffer));
299 Glib::Mutex::Lock em (_session.engine().process_lock());
300 IO::MoreOutputs (streamFormat.mChannelsPerFrame);
302 return streamFormat.mChannelsPerFrame;
309 AUPlugin::output_streams() const
311 if (!(format_set & 0x2)) {
312 warning << _("AUPlugin: output_streams() called without any format set!") << endmsg;
315 return streamFormat.mChannelsPerFrame;
320 AUPlugin::input_streams() const
322 if (!(format_set & 0x1)) {
323 warning << _("AUPlugin: input_streams() called without any format set!") << endmsg;
326 return streamFormat.mChannelsPerFrame;
330 AUPlugin::render_callback(AudioUnitRenderActionFlags *ioActionFlags,
331 const AudioTimeStamp *inTimeStamp,
333 UInt32 inNumberFrames,
334 AudioBufferList* ioData)
336 /* not much to do - the data is already in the buffers given to us in connect_and_run() */
338 if (current_maxbuf == 0) {
339 error << _("AUPlugin: render callback called illegally!") << endmsg;
340 return kAudioUnitErr_CannotDoInCurrentContext;
343 for (uint32_t i = 0; i < current_maxbuf; ++i) {
344 ioData->mBuffers[i].mNumberChannels = 1;
345 ioData->mBuffers[i].mDataByteSize = sizeof (Sample) * inNumberFrames;
346 ioData->mBuffers[i].mData = (*current_buffers)[i] + cb_offset + current_offset;
349 cb_offset += inNumberFrames;
355 AUPlugin::connect_and_run (vector<Sample*>& bufs, uint32_t maxbuf, int32_t& in, int32_t& out, nframes_t nframes, nframes_t offset)
357 AudioUnitRenderActionFlags flags = 0;
360 current_buffers = &bufs;
361 current_maxbuf = maxbuf;
362 current_offset = offset;
365 buffers->mNumberBuffers = maxbuf;
367 for (uint32_t i = 0; i < maxbuf; ++i) {
368 buffers->mBuffers[i].mNumberChannels = 1;
369 buffers->mBuffers[i].mDataByteSize = nframes * sizeof (Sample);
370 buffers->mBuffers[i].mData = 0;
373 ts.mSampleTime = frames_processed;
374 ts.mFlags = kAudioTimeStampSampleTimeValid;
376 if (unit->Render (&flags, &ts, 0, nframes, buffers) == noErr) {
379 frames_processed += nframes;
381 for (uint32_t i = 0; i < maxbuf; ++i) {
382 if (bufs[i] + offset != buffers->mBuffers[i].mData) {
383 memcpy (bufs[i]+offset, buffers->mBuffers[i].mData, nframes * sizeof (Sample));
393 AUPlugin::automatable() const
395 set<uint32_t> automates;
401 AUPlugin::describe_parameter (uint32_t)
407 AUPlugin::print_parameter (uint32_t, char*, uint32_t len) const
413 AUPlugin::parameter_is_audio (uint32_t) const
419 AUPlugin::parameter_is_control (uint32_t) const
425 AUPlugin::parameter_is_input (uint32_t) const
431 AUPlugin::parameter_is_output (uint32_t) const
437 AUPlugin::get_state()
439 XMLNode *root = new XMLNode (state_node_name());
440 LocaleGuard lg (X_("POSIX"));
445 AUPlugin::set_state(const XMLNode& node)
451 AUPlugin::save_preset (string name)
457 AUPlugin::load_preset (const string preset_label)
463 AUPlugin::get_presets ()
465 vector<string> presets;
471 AUPlugin::has_editor () const
473 // even if the plugin doesn't have its own editor, the AU API can be used
474 // to create one that looks native.
478 AUPluginInfo::AUPluginInfo (boost::shared_ptr<CAComponentDescription> d)
484 AUPluginInfo::~AUPluginInfo ()
489 AUPluginInfo::load (Session& session)
494 boost::shared_ptr<CAComponent> comp (new CAComponent(*descriptor));
496 if (!comp->IsValid()) {
497 error << ("AudioUnit: not a valid Component") << endmsg;
499 plugin.reset (new AUPlugin (session.engine(), session, comp));
502 plugin->set_info (PluginInfoPtr (new AUPluginInfo (*this)));
506 catch (failed_constructor &err) {
507 return PluginPtr ((Plugin*) 0);
512 AUPluginInfo::discover ()
514 PluginInfoList plugs;
517 discover_music (plugs);
523 AUPluginInfo::discover_music (PluginInfoList& plugs)
525 CAComponentDescription desc;
526 desc.componentFlags = 0;
527 desc.componentFlagsMask = 0;
528 desc.componentSubType = 0;
529 desc.componentManufacturer = 0;
530 desc.componentType = kAudioUnitType_MusicEffect;
532 discover_by_description (plugs, desc);
536 AUPluginInfo::discover_fx (PluginInfoList& plugs)
538 CAComponentDescription desc;
539 desc.componentFlags = 0;
540 desc.componentFlagsMask = 0;
541 desc.componentSubType = 0;
542 desc.componentManufacturer = 0;
543 desc.componentType = kAudioUnitType_Effect;
545 discover_by_description (plugs, desc);
549 AUPluginInfo::discover_by_description (PluginInfoList& plugs, CAComponentDescription& desc)
553 comp = FindNextComponent (NULL, &desc);
555 while (comp != NULL) {
556 CAComponentDescription temp;
557 GetComponentInfo (comp, &temp, NULL, NULL, NULL);
559 AUPluginInfoPtr info (new AUPluginInfo
560 (boost::shared_ptr<CAComponentDescription> (new CAComponentDescription(temp))));
562 /* no panners, format converters or i/o AU's for our purposes
565 switch (info->descriptor->Type()) {
566 case kAudioUnitType_Panner:
567 case kAudioUnitType_OfflineEffect:
568 case kAudioUnitType_FormatConverter:
574 switch (info->descriptor->SubType()) {
575 case kAudioUnitSubType_DefaultOutput:
576 case kAudioUnitSubType_SystemOutput:
577 case kAudioUnitSubType_GenericOutput:
578 case kAudioUnitSubType_AUConverter:
582 case kAudioUnitSubType_DLSSynth:
583 info->category = "DLSSynth";
586 case kAudioUnitType_MusicEffect:
587 info->category = "MusicEffect";
590 case kAudioUnitSubType_Varispeed:
591 info->category = "Varispeed";
594 case kAudioUnitSubType_Delay:
595 info->category = "Delay";
598 case kAudioUnitSubType_LowPassFilter:
599 info->category = "LowPassFilter";
602 case kAudioUnitSubType_HighPassFilter:
603 info->category = "HighPassFilter";
606 case kAudioUnitSubType_BandPassFilter:
607 info->category = "BandPassFilter";
610 case kAudioUnitSubType_HighShelfFilter:
611 info->category = "HighShelfFilter";
614 case kAudioUnitSubType_LowShelfFilter:
615 info->category = "LowShelfFilter";
618 case kAudioUnitSubType_ParametricEQ:
619 info->category = "ParametricEQ";
622 case kAudioUnitSubType_GraphicEQ:
623 info->category = "GraphicEQ";
626 case kAudioUnitSubType_PeakLimiter:
627 info->category = "PeakLimiter";
630 case kAudioUnitSubType_DynamicsProcessor:
631 info->category = "DynamicsProcessor";
634 case kAudioUnitSubType_MultiBandCompressor:
635 info->category = "MultiBandCompressor";
638 case kAudioUnitSubType_MatrixReverb:
639 info->category = "MatrixReverb";
642 case kAudioUnitType_Mixer:
643 info->category = "Mixer";
646 case kAudioUnitSubType_StereoMixer:
647 info->category = "StereoMixer";
650 case kAudioUnitSubType_3DMixer:
651 info->category = "3DMixer";
654 case kAudioUnitSubType_MatrixMixer:
655 info->category = "MatrixMixer";
662 AUPluginInfo::get_names (temp, info->name, info->creator);
664 info->type = ARDOUR::AudioUnit;
665 info->unique_id = stringify_descriptor (*info->descriptor);
667 /* mark the plugin as having flexible i/o */
670 info->n_outputs = -1;
673 plugs.push_back (info);
675 comp = FindNextComponent (comp, &desc);
680 AUPluginInfo::get_names (CAComponentDescription& comp_desc, std::string& name, Glib::ustring& maker)
682 CFStringRef itemName = NULL;
684 // Marc Poirier-style item name
685 CAComponent auComponent (comp_desc);
686 if (auComponent.IsValid()) {
687 CAComponentDescription dummydesc;
688 Handle nameHandle = NewHandle(sizeof(void*));
689 if (nameHandle != NULL) {
690 OSErr err = GetComponentInfo(auComponent.Comp(), &dummydesc, nameHandle, NULL, NULL);
692 ConstStr255Param nameString = (ConstStr255Param) (*nameHandle);
693 if (nameString != NULL) {
694 itemName = CFStringCreateWithPascalString(kCFAllocatorDefault, nameString, CFStringGetSystemEncoding());
697 DisposeHandle(nameHandle);
701 // if Marc-style fails, do the original way
702 if (itemName == NULL) {
703 CFStringRef compTypeString = UTCreateStringForOSType(comp_desc.componentType);
704 CFStringRef compSubTypeString = UTCreateStringForOSType(comp_desc.componentSubType);
705 CFStringRef compManufacturerString = UTCreateStringForOSType(comp_desc.componentManufacturer);
707 itemName = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("%@ - %@ - %@"),
708 compTypeString, compManufacturerString, compSubTypeString);
710 if (compTypeString != NULL)
711 CFRelease(compTypeString);
712 if (compSubTypeString != NULL)
713 CFRelease(compSubTypeString);
714 if (compManufacturerString != NULL)
715 CFRelease(compManufacturerString);
718 string str = CFStringRefToStdString(itemName);
719 string::size_type colon = str.find (':');
722 name = str.substr (colon+1);
723 maker = str.substr (0, colon);
724 // strip_whitespace_edges (maker);
725 // strip_whitespace_edges (name);
732 // from CAComponentDescription.cpp (in libs/appleutility in ardour source)
733 extern char *StringForOSType (OSType t, char *writeLocation);
736 AUPluginInfo::stringify_descriptor (const CAComponentDescription& desc)
741 s << StringForOSType (desc.Type(), str);
744 s << StringForOSType (desc.SubType(), str);
747 s << StringForOSType (desc.Manu(), str);