X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Faudio_unit.cc;h=9c1f8948ce58e8148ba20cd90c3e346904fd60c2;hb=a473d630eb165272992e90f8d854b1d66ec0be63;hp=57d5505a0f3c22331c3403c3a6b33a8904fd6977;hpb=9bc22f6f86deb4258faf298b45cb117f09af8f96;p=ardour.git diff --git a/libs/ardour/audio_unit.cc b/libs/ardour/audio_unit.cc index 57d5505a0f..9c1f8948ce 100644 --- a/libs/ardour/audio_unit.cc +++ b/libs/ardour/audio_unit.cc @@ -1,7 +1,7 @@ /* - Copyright (C) 2006 Paul Davis - Written by Taybin Rutkin - + Copyright (C) 2006-2009 Paul Davis + Some portions Copyright (C) Sophia Poirier. + This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or @@ -18,18 +18,41 @@ */ -#include -#include +#include +#include +#include +#include +#include + +#include "pbd/transmitter.h" +#include "pbd/xml++.h" +#include "pbd/convert.h" +#include "pbd/whitespace.h" +#include "pbd/pathscanner.h" +#include "pbd/locale_guard.h" -#include -#include -#include -#include +#include +#include +#include -#include +#include "ardour/ardour.h" +#include "ardour/audioengine.h" +#include "ardour/audio_buffer.h" +#include "ardour/midi_buffer.h" +#include "ardour/filesystem_paths.h" +#include "ardour/io.h" +#include "ardour/audio_unit.h" +#include "ardour/session.h" +#include "ardour/tempo.h" +#include "ardour/utils.h" +#include "appleutility/CAAudioUnit.h" +#include "appleutility/CAAUParameter.h" + +#include #include #include +#include #include "i18n.h" @@ -37,245 +60,1982 @@ using namespace std; using namespace PBD; using namespace ARDOUR; -AUPlugin::AUPlugin (AudioEngine& engine, Session& session, CAComponent* _comp) - : - Plugin (engine, session), - comp (_comp), - unit (new CAAudioUnit) -{ - OSErr err = CAAudioUnit::Open (*comp, *unit); - if (err != noErr) { - error << _("AudioUnit: Could not convert CAComponent to CAAudioUnit") << endmsg; - delete unit; - delete comp; - throw failed_constructor (); +//#define TRACE_AU_API +#ifdef TRACE_AU_API +#define TRACE_API(fmt,...) fprintf (stderr, fmt, ## __VA_ARGS__) +#else +#define TRACE_API(fmt,...) +#endif + +#ifndef AU_STATE_SUPPORT +static bool seen_get_state_message = false; +static bool seen_set_state_message = false; +static bool seen_loading_message = false; +static bool seen_saving_message = false; +#endif + +AUPluginInfo::CachedInfoMap AUPluginInfo::cached_info; + +static string preset_search_path = "/Library/Audio/Presets:/Network/Library/Audio/Presets"; +static string preset_suffix = ".aupreset"; +static bool preset_search_path_initialized = false; +static bool debug_io_config = true; + +static OSStatus +_render_callback(void *userData, + AudioUnitRenderActionFlags *ioActionFlags, + const AudioTimeStamp *inTimeStamp, + UInt32 inBusNumber, + UInt32 inNumberFrames, + AudioBufferList* ioData) +{ + if (userData) { + return ((AUPlugin*)userData)->render_callback (ioActionFlags, inTimeStamp, inBusNumber, inNumberFrames, ioData); } - - unit->Initialize (); + return paramErr; } -AUPlugin::~AUPlugin () +static OSStatus +_get_beat_and_tempo_callback (void* userData, + Float64* outCurrentBeat, + Float64* outCurrentTempo) { - if (unit) { - unit->Uninitialize (); - delete unit; - } - - if (comp) { - delete comp; - } - - if (in_list) { - delete in_list; + if (userData) { + return ((AUPlugin*)userData)->get_beat_and_tempo_callback (outCurrentBeat, outCurrentTempo); } - - if (out_list) { - delete out_list; + + return paramErr; +} + +static OSStatus +_get_musical_time_location_callback (void * userData, + UInt32 * outDeltaSampleOffsetToNextBeat, + Float32 * outTimeSig_Numerator, + UInt32 * outTimeSig_Denominator, + Float64 * outCurrentMeasureDownBeat) +{ + if (userData) { + return ((AUPlugin*)userData)->get_musical_time_location_callback (outDeltaSampleOffsetToNextBeat, + outTimeSig_Numerator, + outTimeSig_Denominator, + outCurrentMeasureDownBeat); } + return paramErr; } -AUPluginInfo::~AUPluginInfo () +static OSStatus +_get_transport_state_callback (void* userData, + Boolean* outIsPlaying, + Boolean* outTransportStateChanged, + Float64* outCurrentSampleInTimeLine, + Boolean* outIsCycling, + Float64* outCycleStartBeat, + Float64* outCycleEndBeat) { - if (desc) { - delete desc; + if (userData) { + return ((AUPlugin*)userData)->get_transport_state_callback ( + outIsPlaying, outTransportStateChanged, + outCurrentSampleInTimeLine, outIsCycling, + outCycleStartBeat, outCycleEndBeat); } + return paramErr; } -uint32_t -AUPlugin::unique_id () const + +static int +save_property_list (CFPropertyListRef propertyList, Glib::ustring path) + { + CFDataRef xmlData; + int fd; + + // Convert the property list into XML data. + + xmlData = CFPropertyListCreateXMLData( kCFAllocatorDefault, propertyList); + + if (!xmlData) { + error << _("Could not create XML version of property list") << endmsg; + return -1; + } + + // Write the XML data to the file. + + fd = open (path.c_str(), O_WRONLY|O_CREAT|O_EXCL, 0664); + while (fd < 0) { + if (errno == EEXIST) { + error << string_compose (_("Preset file %1 exists; not overwriting"), + path) << endmsg; + } else { + error << string_compose (_("Cannot open preset file %1 (%2)"), + path, strerror (errno)) << endmsg; + } + CFRelease (xmlData); + return -1; + } + + size_t cnt = CFDataGetLength (xmlData); + + if (write (fd, CFDataGetBytePtr (xmlData), cnt) != (ssize_t) cnt) { + CFRelease (xmlData); + close (fd); + return -1; + } + + close (fd); return 0; } -const char * -AUPlugin::label () const + +static CFPropertyListRef +load_property_list (Glib::ustring path) { - return "AUPlugin label"; + int fd; + CFPropertyListRef propertyList = 0; + CFDataRef xmlData; + CFStringRef errorString; + + // Read the XML file. + + if ((fd = open (path.c_str(), O_RDONLY)) < 0) { + return propertyList; + + } + + off_t len = lseek (fd, 0, SEEK_END); + char* buf = new char[len]; + lseek (fd, 0, SEEK_SET); + + if (read (fd, buf, len) != len) { + delete [] buf; + close (fd); + return propertyList; + } + + close (fd); + + xmlData = CFDataCreateWithBytesNoCopy (kCFAllocatorDefault, (UInt8*) buf, len, kCFAllocatorNull); + + // Reconstitute the dictionary using the XML data. + + propertyList = CFPropertyListCreateFromXMLData( kCFAllocatorDefault, + xmlData, + kCFPropertyListImmutable, + &errorString); + + CFRelease (xmlData); + delete [] buf; + + return propertyList; } -const char * -AUPlugin::maker () const +//----------------------------------------------------------------------------- +static void +set_preset_name_in_plist (CFPropertyListRef plist, string preset_name) { - return "AUplugin maker"; + if (!plist) { + return; + } + CFStringRef pn = CFStringCreateWithCString (kCFAllocatorDefault, preset_name.c_str(), kCFStringEncodingUTF8); + + if (CFGetTypeID (plist) == CFDictionaryGetTypeID()) { + CFDictionarySetValue ((CFMutableDictionaryRef)plist, CFSTR(kAUPresetNameKey), pn); + } + + CFRelease (pn); } -uint32_t -AUPlugin::parameter_count () const +//----------------------------------------------------------------------------- +static std::string +get_preset_name_in_plist (CFPropertyListRef plist) { - return 0; + std::string ret; + + if (!plist) { + return ret; + } + + if (CFGetTypeID (plist) == CFDictionaryGetTypeID()) { + const void *p = CFDictionaryGetValue ((CFMutableDictionaryRef)plist, CFSTR(kAUPresetNameKey)); + if (p) { + CFStringRef str = (CFStringRef) p; + int len = CFStringGetLength(str); + len = (len * 2) + 1; + char local_buffer[len]; + if (CFStringGetCString (str, local_buffer, len, kCFStringEncodingUTF8)) { + ret = local_buffer; + } + } + } + return ret; } -float -AUPlugin::default_value (uint32_t port) +//-------------------------------------------------------------------------- +// general implementation for ComponentDescriptionsMatch() and ComponentDescriptionsMatch_Loosely() +// if inIgnoreType is true, then the type code is ignored in the ComponentDescriptions +Boolean ComponentDescriptionsMatch_General(const ComponentDescription * inComponentDescription1, const ComponentDescription * inComponentDescription2, Boolean inIgnoreType); +Boolean ComponentDescriptionsMatch_General(const ComponentDescription * inComponentDescription1, const ComponentDescription * inComponentDescription2, Boolean inIgnoreType) { - // AudioUnits don't have default values. Maybe presets though? - return 0; + if ( (inComponentDescription1 == NULL) || (inComponentDescription2 == NULL) ) + return FALSE; + + if ( (inComponentDescription1->componentSubType == inComponentDescription2->componentSubType) + && (inComponentDescription1->componentManufacturer == inComponentDescription2->componentManufacturer) ) + { + // only sub-type and manufacturer IDs need to be equal + if (inIgnoreType) + return TRUE; + // type, sub-type, and manufacturer IDs all need to be equal in order to call this a match + else if (inComponentDescription1->componentType == inComponentDescription2->componentType) + return TRUE; + } + + return FALSE; } -jack_nframes_t -AUPlugin::latency () const +//-------------------------------------------------------------------------- +// general implementation for ComponentAndDescriptionMatch() and ComponentAndDescriptionMatch_Loosely() +// if inIgnoreType is true, then the type code is ignored in the ComponentDescriptions +Boolean ComponentAndDescriptionMatch_General(Component inComponent, const ComponentDescription * inComponentDescription, Boolean inIgnoreType); +Boolean ComponentAndDescriptionMatch_General(Component inComponent, const ComponentDescription * inComponentDescription, Boolean inIgnoreType) { - return unit->Latency (); + OSErr status; + ComponentDescription desc; + + if ( (inComponent == NULL) || (inComponentDescription == NULL) ) + return FALSE; + + // get the ComponentDescription of the input Component + status = GetComponentInfo(inComponent, &desc, NULL, NULL, NULL); + if (status != noErr) + return FALSE; + + // check if the Component's ComponentDescription matches the input ComponentDescription + return ComponentDescriptionsMatch_General(&desc, inComponentDescription, inIgnoreType); } -void -AUPlugin::set_parameter (uint32_t which, float val) +//-------------------------------------------------------------------------- +// determine if 2 ComponentDescriptions are basically equal +// (by that, I mean that the important identifying values are compared, +// but not the ComponentDescription flags) +Boolean ComponentDescriptionsMatch(const ComponentDescription * inComponentDescription1, const ComponentDescription * inComponentDescription2) { - unit->SetParameter (parameter_map[which].first, parameter_map[which].second, 0, val); + return ComponentDescriptionsMatch_General(inComponentDescription1, inComponentDescription2, FALSE); } -float -AUPlugin::get_parameter (uint32_t which) const +//-------------------------------------------------------------------------- +// determine if 2 ComponentDescriptions have matching sub-type and manufacturer codes +Boolean ComponentDescriptionsMatch_Loose(const ComponentDescription * inComponentDescription1, const ComponentDescription * inComponentDescription2) { - float outValue = 0.0; - - unit->GetParameter(parameter_map[which].first, parameter_map[which].second, 0, outValue); - - return outValue; + return ComponentDescriptionsMatch_General(inComponentDescription1, inComponentDescription2, TRUE); } -int -AUPlugin::get_parameter_descriptor (uint32_t which, ParameterDescriptor&) const +//-------------------------------------------------------------------------- +// determine if a ComponentDescription basically matches that of a particular Component +Boolean ComponentAndDescriptionMatch(Component inComponent, const ComponentDescription * inComponentDescription) { - return 0; + return ComponentAndDescriptionMatch_General(inComponent, inComponentDescription, FALSE); } -uint32_t -AUPlugin::nth_parameter (uint32_t which, bool& ok) const +//-------------------------------------------------------------------------- +// determine if a ComponentDescription matches only the sub-type and manufacturer codes of a particular Component +Boolean ComponentAndDescriptionMatch_Loosely(Component inComponent, const ComponentDescription * inComponentDescription) { - return 0; + return ComponentAndDescriptionMatch_General(inComponent, inComponentDescription, TRUE); } -void -AUPlugin::activate () + +AUPlugin::AUPlugin (AudioEngine& engine, Session& session, boost::shared_ptr _comp) + : Plugin (engine, session) + , comp (_comp) + , unit (new CAAudioUnit) + , initialized (false) + , _current_block_size (0) + , _requires_fixed_size_buffers (false) + , buffers (0) + , current_maxbuf (0) + , current_offset (0) + , current_buffers (0) + , frames_processed (0) + , last_transport_rolling (false) + , last_transport_speed (0.0) { - unit->GlobalReset (); + if (!preset_search_path_initialized) { + Glib::ustring p = Glib::get_home_dir(); + p += "/Library/Audio/Presets:"; + p += preset_search_path; + preset_search_path = p; + preset_search_path_initialized = true; + } + + init (); } -void -AUPlugin::deactivate () +AUPlugin::AUPlugin (const AUPlugin& other) + : Plugin (other) + , comp (other.get_comp()) + , unit (new CAAudioUnit) + , initialized (false) + , _current_block_size (0) + , _last_nframes (0) + , _requires_fixed_size_buffers (false) + , buffers (0) + , current_maxbuf (0) + , current_offset (0) + , current_buffers (0) + , frames_processed (0) + { - // not needed. GlobalReset () takes care of it. + init (); } -void -AUPlugin::set_block_size (jack_nframes_t nframes) +AUPlugin::~AUPlugin () { - + if (unit) { + TRACE_API ("about to call uninitialize in plugin destructor\n"); + unit->Uninitialize (); + } + + if (buffers) { + free (buffers); + } } -int -AUPlugin::connect_and_run (vector& bufs, uint32_t maxbuf, int32_t& in, int32_t& out, jack_nframes_t nframes, jack_nframes_t offset) +void +AUPlugin::discover_factory_presets () { - AudioUnitRenderActionFlags flags = 0; - AudioTimeStamp ts; - - AudioBufferList abl; - abl.mNumberBuffers = 1; - abl.mBuffers[0].mNumberChannels = 1; - abl.mBuffers[0].mDataByteSize = nframes * sizeof(Sample); - abl.mBuffers[0].mData = &bufs[0]; - - - unit->Render (&flags, &ts, 0, 0, &abl); - - return 0; + CFArrayRef presets; + UInt32 dataSize = sizeof (presets); + OSStatus err; + + TRACE_API ("get property FactoryPresets in global scope\n"); + if ((err = unit->GetProperty (kAudioUnitProperty_FactoryPresets, kAudioUnitScope_Global, 0, (void*) &presets, &dataSize)) != 0) { + cerr << "cannot get factory preset info: " << err << endl; + return; + } + + if (!presets) { + return; + } + + CFIndex cnt = CFArrayGetCount (presets); + + for (CFIndex i = 0; i < cnt; ++i) { + AUPreset* preset = (AUPreset*) CFArrayGetValueAtIndex (presets, i); + + string name = CFStringRefToStdString (preset->presetName); + factory_preset_map[name] = preset->presetNumber; + } + + CFRelease (presets); } -set -AUPlugin::automatable() const +void +AUPlugin::init () { - set automates; - - return automates; + OSErr err; + + try { + TRACE_API ("opening AudioUnit\n"); + err = CAAudioUnit::Open (*(comp.get()), *unit); + } catch (...) { + error << _("Exception thrown during AudioUnit plugin loading - plugin ignored") << endmsg; + throw failed_constructor(); + } + + if (err != noErr) { + error << _("AudioUnit: Could not convert CAComponent to CAAudioUnit") << endmsg; + throw failed_constructor (); + } + + TRACE_API ("count global elements\n"); + unit->GetElementCount (kAudioUnitScope_Global, global_elements); + TRACE_API ("count input elements\n"); + unit->GetElementCount (kAudioUnitScope_Input, input_elements); + TRACE_API ("count output elements\n"); + unit->GetElementCount (kAudioUnitScope_Output, output_elements); + + if (input_elements > 0) { + AURenderCallbackStruct renderCallbackInfo; + + renderCallbackInfo.inputProc = _render_callback; + renderCallbackInfo.inputProcRefCon = this; + + TRACE_API ("set render callback in input scope\n"); + if ((err = unit->SetProperty (kAudioUnitProperty_SetRenderCallback, kAudioUnitScope_Input, + 0, (void*) &renderCallbackInfo, sizeof(renderCallbackInfo))) != 0) { + cerr << "cannot install render callback (err = " << err << ')' << endl; + throw failed_constructor(); + } + } + + /* tell the plugin about tempo/meter/transport callbacks in case it wants them */ + + HostCallbackInfo info; + memset (&info, 0, sizeof (HostCallbackInfo)); + info.hostUserData = this; + info.beatAndTempoProc = _get_beat_and_tempo_callback; + info.musicalTimeLocationProc = _get_musical_time_location_callback; + info.transportStateProc = _get_transport_state_callback; + + //ignore result of this - don't care if the property isn't supported + TRACE_API ("set host callbacks in global scope\n"); + unit->SetProperty (kAudioUnitProperty_HostCallbacks, + kAudioUnitScope_Global, + 0, //elementID + &info, + sizeof (HostCallbackInfo)); + + /* these keep track of *configured* channel set up, + not potential set ups. + */ + + input_channels = -1; + output_channels = -1; + + if (set_block_size (_session.get_block_size())) { + error << _("AUPlugin: cannot set processing block size") << endmsg; + throw failed_constructor(); + } + + AUPluginInfoPtr pinfo = boost::dynamic_pointer_cast(get_info()); + _has_midi_input = pinfo->needs_midi_input (); + _has_midi_output = false; + + discover_parameters (); + discover_factory_presets (); + + // Plugin::setup_controls (); } void -AUPlugin::store_state (ARDOUR::PluginState&) +AUPlugin::discover_parameters () +{ + /* discover writable parameters */ + + AudioUnitScope scopes[] = { + kAudioUnitScope_Global, + kAudioUnitScope_Output, + kAudioUnitScope_Input + }; + + descriptors.clear (); + + for (uint32_t i = 0; i < sizeof (scopes) / sizeof (scopes[0]); ++i) { + + AUParamInfo param_info (unit->AU(), false, false, scopes[i]); + + for (uint32_t i = 0; i < param_info.NumParams(); ++i) { + + AUParameterDescriptor d; + + d.id = param_info.ParamID (i); + + const CAAUParameter* param = param_info.GetParamInfo (d.id); + const AudioUnitParameterInfo& info (param->ParamInfo()); + + const int len = CFStringGetLength (param->GetName());; + char local_buffer[len*2]; + Boolean good = CFStringGetCString(param->GetName(),local_buffer,len*2,kCFStringEncodingMacRoman); + if (!good) { + d.label = "???"; + } else { + d.label = local_buffer; + } + + d.scope = param_info.GetScope (); + d.element = param_info.GetElement (); + + /* info.units to consider */ + /* + kAudioUnitParameterUnit_Generic = 0 + kAudioUnitParameterUnit_Indexed = 1 + kAudioUnitParameterUnit_Boolean = 2 + kAudioUnitParameterUnit_Percent = 3 + kAudioUnitParameterUnit_Seconds = 4 + kAudioUnitParameterUnit_SampleFrames = 5 + kAudioUnitParameterUnit_Phase = 6 + kAudioUnitParameterUnit_Rate = 7 + kAudioUnitParameterUnit_Hertz = 8 + kAudioUnitParameterUnit_Cents = 9 + kAudioUnitParameterUnit_RelativeSemiTones = 10 + kAudioUnitParameterUnit_MIDINoteNumber = 11 + kAudioUnitParameterUnit_MIDIController = 12 + kAudioUnitParameterUnit_Decibels = 13 + kAudioUnitParameterUnit_LinearGain = 14 + kAudioUnitParameterUnit_Degrees = 15 + kAudioUnitParameterUnit_EqualPowerCrossfade = 16 + kAudioUnitParameterUnit_MixerFaderCurve1 = 17 + kAudioUnitParameterUnit_Pan = 18 + kAudioUnitParameterUnit_Meters = 19 + kAudioUnitParameterUnit_AbsoluteCents = 20 + kAudioUnitParameterUnit_Octaves = 21 + kAudioUnitParameterUnit_BPM = 22 + kAudioUnitParameterUnit_Beats = 23 + kAudioUnitParameterUnit_Milliseconds = 24 + kAudioUnitParameterUnit_Ratio = 25 + */ + + /* info.flags to consider */ + + /* + + kAudioUnitParameterFlag_CFNameRelease = (1L << 4) + kAudioUnitParameterFlag_HasClump = (1L << 20) + kAudioUnitParameterFlag_HasName = (1L << 21) + kAudioUnitParameterFlag_DisplayLogarithmic = (1L << 22) + kAudioUnitParameterFlag_IsHighResolution = (1L << 23) + kAudioUnitParameterFlag_NonRealTime = (1L << 24) + kAudioUnitParameterFlag_CanRamp = (1L << 25) + kAudioUnitParameterFlag_ExpertMode = (1L << 26) + kAudioUnitParameterFlag_HasCFNameString = (1L << 27) + kAudioUnitParameterFlag_IsGlobalMeta = (1L << 28) + kAudioUnitParameterFlag_IsElementMeta = (1L << 29) + kAudioUnitParameterFlag_IsReadable = (1L << 30) + kAudioUnitParameterFlag_IsWritable = (1L << 31) + */ + + d.lower = info.minValue; + d.upper = info.maxValue; + d.default_value = info.defaultValue; + + d.integer_step = (info.unit == kAudioUnitParameterUnit_Indexed); + d.toggled = (info.unit == kAudioUnitParameterUnit_Boolean) || + (d.integer_step && ((d.upper - d.lower) == 1.0)); + d.sr_dependent = (info.unit == kAudioUnitParameterUnit_SampleFrames); + d.automatable = !d.toggled && + !(info.flags & kAudioUnitParameterFlag_NonRealTime) && + (info.flags & kAudioUnitParameterFlag_IsWritable); + + d.logarithmic = (info.flags & kAudioUnitParameterFlag_DisplayLogarithmic); + d.unit = info.unit; + + d.step = 1.0; + d.smallstep = 0.1; + d.largestep = 10.0; + d.min_unbound = 0; // lower is bound + d.max_unbound = 0; // upper is bound + + descriptors.push_back (d); + } + } +} + + +static unsigned int +four_ints_to_four_byte_literal (unsigned char n[4]) { - + /* this is actually implementation dependent. sigh. this is what gcc + and quite a few others do. + */ + return ((n[0] << 24) + (n[1] << 16) + (n[2] << 8) + n[3]); } -void -AUPlugin::restore_state (ARDOUR::PluginState&) +std::string +AUPlugin::maybe_fix_broken_au_id (const std::string& id) { - + if (isdigit (id[0])) { + return id; + } + + /* ID format is xxxx-xxxx-xxxx + where x maybe \xNN or a printable character. + + Split at the '-' and and process each part into an integer. + Then put it back together. + */ + + + unsigned char nascent[4]; + const char* cstr = id.c_str(); + const char* estr = cstr + id.size(); + uint32_t n[3]; + int in; + int next_int; + char short_buf[3]; + stringstream s; + + in = 0; + next_int = 0; + short_buf[2] = '\0'; + + while (*cstr && next_int < 4) { + + if (*cstr == '\\') { + + if (estr - cstr < 3) { + + /* too close to the end for \xNN parsing: treat as literal characters */ + + cerr << "Parse " << cstr << " as a literal \\" << endl; + nascent[in] = *cstr; + ++cstr; + ++in; + + } else { + + if (cstr[1] == 'x' && isxdigit (cstr[2]) && isxdigit (cstr[3])) { + + /* parse \xNN */ + + memcpy (short_buf, &cstr[2], 2); + nascent[in] = strtol (short_buf, NULL, 16); + cstr += 4; + ++in; + + } else { + + /* treat as literal characters */ + cerr << "Parse " << cstr << " as a literal \\" << endl; + nascent[in] = *cstr; + ++cstr; + ++in; + } + } + + } else { + + nascent[in] = *cstr; + ++cstr; + ++in; + } + + if (in && (in % 4 == 0)) { + /* nascent is ready */ + n[next_int] = four_ints_to_four_byte_literal (nascent); + in = 0; + next_int++; + + /* swallow space-hyphen-space */ + + if (next_int < 3) { + ++cstr; + ++cstr; + ++cstr; + } + } + } + + if (next_int != 3) { + goto err; + } + + s << n[0] << '-' << n[1] << '-' << n[2]; + + return s.str(); + + err: + return string(); } string -AUPlugin::describe_parameter (uint32_t) +AUPlugin::unique_id () const { - return ""; + return AUPluginInfo::stringify_descriptor (comp->Desc()); } -void -AUPlugin::print_parameter (uint32_t, char*, uint32_t len) const +const char * +AUPlugin::label () const { - + return _info->name.c_str(); } -bool -AUPlugin::parameter_is_audio (uint32_t) const +uint32_t +AUPlugin::parameter_count () const { - return false; + return descriptors.size(); } -bool -AUPlugin::parameter_is_control (uint32_t) const +float +AUPlugin::default_value (uint32_t port) { - return false; + if (port < descriptors.size()) { + return descriptors[port].default_value; + } + + return 0; } -bool -AUPlugin::parameter_is_input (uint32_t) const +framecnt_t +AUPlugin::signal_latency () const { - return false; + return unit->Latency() * _session.frame_rate(); } -bool -AUPlugin::parameter_is_output (uint32_t) const +void +AUPlugin::set_parameter (uint32_t which, float val) { - return false; + if (which >= descriptors.size()) { + return; + } + + const AUParameterDescriptor& d (descriptors[which]); + TRACE_API ("set parameter %d in scope %d element %d to %f\n", d.id, d.scope, d.element, val); + unit->SetParameter (d.id, d.scope, d.element, val); + + /* tell the world what we did */ + + AudioUnitEvent theEvent; + + theEvent.mEventType = kAudioUnitEvent_ParameterValueChange; + theEvent.mArgument.mParameter.mAudioUnit = unit->AU(); + theEvent.mArgument.mParameter.mParameterID = d.id; + theEvent.mArgument.mParameter.mScope = d.scope; + theEvent.mArgument.mParameter.mElement = d.element; + + TRACE_API ("notify about parameter change\n"); + AUEventListenerNotify (NULL, NULL, &theEvent); + + Plugin::set_parameter (which, val); } -XMLNode& -AUPlugin::get_state() +float +AUPlugin::get_parameter (uint32_t which) const { - XMLNode* root = new XMLNode (state_node_name()); - - return *root; + float val = 0.0; + if (which < descriptors.size()) { + const AUParameterDescriptor& d (descriptors[which]); + TRACE_API ("get value of parameter %d in scope %d element %d\n", d.id, d.scope, d.element); + unit->GetParameter(d.id, d.scope, d.element, val); + } + return val; } int -AUPlugin::set_state(const XMLNode& node) +AUPlugin::get_parameter_descriptor (uint32_t which, ParameterDescriptor& pd) const { + if (which < descriptors.size()) { + pd = descriptors[which]; + return 0; + } return -1; } -bool -AUPlugin::save_preset (string name) +uint32_t +AUPlugin::nth_parameter (uint32_t which, bool& ok) const { - return false; + if (which < descriptors.size()) { + ok = true; + return which; + } + ok = false; + return 0; } -bool -AUPlugin::load_preset (const string preset_label) +void +AUPlugin::activate () { - return false; + if (!initialized) { + OSErr err; + TRACE_API ("call Initialize in activate()\n"); + if ((err = unit->Initialize()) != noErr) { + error << string_compose (_("AUPlugin: %1 cannot initialize plugin (err = %2)"), name(), err) << endmsg; + } else { + frames_processed = 0; + initialized = true; + } + } } -vector -AUPlugin::get_presets () +void +AUPlugin::deactivate () { - vector presets; - - return presets; + TRACE_API ("call Uninitialize in deactivate()\n"); + unit->Uninitialize (); + initialized = false; } -bool +void +AUPlugin::flush () +{ + TRACE_API ("call Reset in flush()\n"); + unit->GlobalReset (); +} + +bool +AUPlugin::requires_fixed_size_buffers() const +{ + return _requires_fixed_size_buffers; +} + + +int +AUPlugin::set_block_size (pframes_t nframes) +{ + bool was_initialized = initialized; + UInt32 numFrames = nframes; + OSErr err; + + if (initialized) { + deactivate (); + } + + TRACE_API ("set MaximumFramesPerSlice in global scope to %u\n", numFrames); + if ((err = unit->SetProperty (kAudioUnitProperty_MaximumFramesPerSlice, kAudioUnitScope_Global, + 0, &numFrames, sizeof (numFrames))) != noErr) { + cerr << "cannot set max frames (err = " << err << ')' << endl; + return -1; + } + + if (was_initialized) { + activate (); + } + + _current_block_size = nframes; + + return 0; +} + +bool +AUPlugin::configure_io (ChanCount in, ChanCount out) +{ + AudioStreamBasicDescription streamFormat; + bool was_initialized = initialized; + int32_t audio_in = in.n_audio(); + int32_t audio_out = out.n_audio(); + + if (initialized) { + //if we are already running with the requested i/o config, bail out here + if ( (audio_in==input_channels) && (audio_out==output_channels) ) { + return 0; + } else { + deactivate (); + } + } + + streamFormat.mSampleRate = _session.frame_rate(); + streamFormat.mFormatID = kAudioFormatLinearPCM; + streamFormat.mFormatFlags = kAudioFormatFlagIsFloat|kAudioFormatFlagIsPacked|kAudioFormatFlagIsNonInterleaved; + +#ifdef __LITTLE_ENDIAN__ + /* relax */ +#else + streamFormat.mFormatFlags |= kAudioFormatFlagIsBigEndian; +#endif + + streamFormat.mBitsPerChannel = 32; + streamFormat.mFramesPerPacket = 1; + + /* apple says that for non-interleaved data, these + values always refer to a single channel. + */ + streamFormat.mBytesPerPacket = 4; + streamFormat.mBytesPerFrame = 4; + + streamFormat.mChannelsPerFrame = audio_in; + + if (set_input_format (streamFormat) != 0) { + return -1; + } + + streamFormat.mChannelsPerFrame = audio_out; + + if (set_output_format (streamFormat) != 0) { + return -1; + } + + if (was_initialized) { + activate (); + } + + return 0; +} + +bool +AUPlugin::can_support_io_configuration (const ChanCount& in, ChanCount& out) const +{ + // XXX as of May 13th 2008, AU plugin support returns a count of either 1 or -1. We never + // attempt to multiply-instantiate plugins to meet io configurations. + + int32_t audio_in = in.n_audio(); + int32_t audio_out; + int32_t plugcnt = -1; + AUPluginInfoPtr pinfo = boost::dynamic_pointer_cast(get_info()); + + /* lets check MIDI first */ + + if (in.n_midi() > 0) { + if (!_has_midi_input) { + return false; + } + } + + vector >& io_configs = pinfo->cache.io_configs; + + if (debug_io_config) { + cerr << name() << " has " << io_configs.size() << " IO Configurations\n"; + } + + //Ardour expects the plugin to tell it the output configuration + //but AU plugins can have multiple I/O configurations + //in most cases (since we don't allow special routing like sidechains in A2, we want to preserve the number of streams + //so first lets see if there's a configuration that keeps out==in + + audio_out = audio_in; + + for (vector >::iterator i = io_configs.begin(); i != io_configs.end(); ++i) { + int32_t possible_in = i->first; + int32_t possible_out = i->second; + + if (possible_in == audio_in && possible_out== audio_out) { + cerr << "\tCHOSEN: in " << in << " out " << out << endl; + return 1; + } + } + + /* now allow potentially "imprecise" matches */ + audio_out = -1; + for (vector >::iterator i = io_configs.begin(); i != io_configs.end(); ++i) { + + int32_t possible_in = i->first; + int32_t possible_out = i->second; + + if (debug_io_config) { + cerr << "\tin " << possible_in << " out " << possible_out << endl; + } + + if (possible_out == 0) { + warning << string_compose (_("AU %1 has zero outputs - configuration ignored"), name()) << endmsg; + continue; + } + + if (possible_in == 0) { + + /* instrument plugin, always legal but throws away inputs ... + */ + + if (possible_out == -1) { + /* out much match in (UNLIKELY!!) */ + audio_out = audio_in; + plugcnt = 1; + } else if (possible_out == -2) { + /* any configuration possible, pick matching */ + audio_out = audio_in; + plugcnt = 1; + } else if (possible_out < -2) { + /* explicit variable number of outputs, pick maximum */ + audio_out = -possible_out; + plugcnt = 1; + } else { + /* exact number of outputs */ + audio_out = possible_out; + plugcnt = 1; + } + } + + if (possible_in == -1) { + + /* wildcard for input */ + + if (possible_out == -1) { + /* out much match in */ + audio_out = audio_in; + plugcnt = 1; + } else if (possible_out == -2) { + /* any configuration possible, pick matching */ + audio_out = audio_in; + plugcnt = 1; + } else if (possible_out < -2) { + /* explicit variable number of outputs, pick maximum */ + audio_out = -possible_out; + plugcnt = 1; + } else { + /* exact number of outputs */ + audio_out = possible_out; + plugcnt = 1; + } + } + + if (possible_in == -2) { + + if (possible_out == -1) { + /* any configuration possible, pick matching */ + audio_out = audio_in; + plugcnt = 1; + } else if (possible_out == -2) { + error << string_compose (_("AU plugin %1 has illegal IO configuration (-2,-2)"), name()) + << endmsg; + plugcnt = -1; + } else if (possible_out < -2) { + /* explicit variable number of outputs, pick maximum */ + audio_out = -possible_out; + plugcnt = 1; + } else { + /* exact number of outputs */ + audio_out = possible_out; + plugcnt = 1; + } + } + + if (possible_in < -2) { + + /* explicit variable number of inputs */ + + if (audio_in > -possible_in) { + /* request is too large */ + plugcnt = -1; + } + + if (possible_out == -1) { + /* out must match in */ + audio_out = audio_in; + plugcnt = 1; + } else if (possible_out == -2) { + error << string_compose (_("AU plugin %1 has illegal IO configuration (-2,-2)"), name()) + << endmsg; + plugcnt = -1; + } else if (possible_out < -2) { + /* explicit variable number of outputs, pick maximum */ + audio_out = -possible_out; + plugcnt = 1; + } else { + /* exact number of outputs */ + audio_out = possible_out; + plugcnt = 1; + } + } + + if (possible_in == audio_in) { + + /* exact number of inputs ... must match obviously */ + + if (possible_out == -1) { + /* out must match in */ + audio_out = audio_in; + plugcnt = 1; + } else if (possible_out == -2) { + /* any output configuration, pick matching */ + audio_out = audio_in; + plugcnt = -1; + } else if (possible_out < -2) { + /* explicit variable number of outputs, pick maximum */ + audio_out = -possible_out; + plugcnt = 1; + } else { + /* exact number of outputs */ + audio_out = possible_out; + plugcnt = 1; + } + } + + if (plugcnt == 1) { + break; + } + + } + + if (debug_io_config) { + if (plugcnt > 0) { + cerr << "\tCHOSEN: in " << in << " out " << out << " plugcnt will be " << plugcnt << endl; + } else { + cerr << "\tFAIL: no configs match requested in " << in << endl; + } + } + + out.set (DataType::MIDI, 0); + out.set (DataType::AUDIO, audio_out); + + return plugcnt; +} + +int +AUPlugin::set_input_format (AudioStreamBasicDescription& fmt) +{ + return set_stream_format (kAudioUnitScope_Input, input_elements, fmt); +} + +int +AUPlugin::set_output_format (AudioStreamBasicDescription& fmt) +{ + if (set_stream_format (kAudioUnitScope_Output, output_elements, fmt) != 0) { + return -1; + } + + if (buffers) { + free (buffers); + buffers = 0; + } + + buffers = (AudioBufferList *) malloc (offsetof(AudioBufferList, mBuffers) + + fmt.mChannelsPerFrame * sizeof(::AudioBuffer)); + + Glib::Mutex::Lock em (_session.engine().process_lock()); + IO::PortCountChanged (ChanCount(DataType::AUDIO, fmt.mChannelsPerFrame)); + + return 0; +} + +int +AUPlugin::set_stream_format (int scope, uint32_t cnt, AudioStreamBasicDescription& fmt) +{ + OSErr result; + + for (uint32_t i = 0; i < cnt; ++i) { + TRACE_API ("set stream format for %s, scope = %d element %d\n", + (scope == kAudioUnitScope_Input ? "input" : "output"), + scope, cnt); + if ((result = unit->SetFormat (scope, i, fmt)) != 0) { + error << string_compose (_("AUPlugin: could not set stream format for %1/%2 (err = %3)"), + (scope == kAudioUnitScope_Input ? "input" : "output"), i, result) << endmsg; + return -1; + } + } + + if (scope == kAudioUnitScope_Input) { + input_channels = fmt.mChannelsPerFrame; + } else { + output_channels = fmt.mChannelsPerFrame; + } + + return 0; +} + +OSStatus +AUPlugin::render_callback(AudioUnitRenderActionFlags*, + const AudioTimeStamp*, + UInt32, + UInt32 inNumberFrames, + AudioBufferList* ioData) +{ + if (_has_midi_input) { + assert (current_buffers->count().n_midi() > 0); + + /* deliver the first (and assumed only) MIDI buffer's data + to the plugin + */ + + MidiBuffer& mb (current_buffers->get_midi(0)); + + for (MidiBuffer::iterator i = mb.begin(); i != mb.end(); ++i) { + Evoral::MIDIEvent ev = *i; + switch (ev.type()) { + case MIDI_CMD_NOTE_ON: + case MIDI_CMD_NOTE_OFF: + case MIDI_CMD_CONTROL: + case MIDI_CMD_BENDER: + case MIDI_CMD_PGM_CHANGE: + case MIDI_CMD_CHANNEL_PRESSURE: + { + const uint8_t* b = ev.buffer(); + unit->MIDIEvent (b[0], b[1], b[2], ev.time()); + break; + } + + default: + /* plugins do not get other stuff by default */ + break; + }; + } + } + + /* not much to do with audio - the data is already in the buffers given to us in connect_and_run() */ + + if (current_maxbuf == 0) { + error << _("AUPlugin: render callback called illegally!") << endmsg; + return kAudioUnitErr_CannotDoInCurrentContext; + } + uint32_t limit = min ((uint32_t) ioData->mNumberBuffers, current_maxbuf); + + for (uint32_t i = 0; i < limit; ++i) { + ioData->mBuffers[i].mNumberChannels = 1; + ioData->mBuffers[i].mDataByteSize = sizeof (Sample) * inNumberFrames; + + /* we don't use the channel mapping because audiounits are + never replicated. one plugin instance uses all channels/buffers + passed to PluginInsert::connect_and_run() + */ + + ioData->mBuffers[i].mData = current_buffers->get_audio (i).data (cb_offset + current_offset); + } + + cb_offset += inNumberFrames; + + return noErr; +} + +int +AUPlugin::connect_and_run (BufferSet& bufs, ChanMapping in_map, ChanMapping out_map, pframes_t nframes, framecnt_t offset) +{ + Plugin::connect_and_run (bufs, in_map, out_map, nframes, offset); + + AudioUnitRenderActionFlags flags = 0; + AudioTimeStamp ts; + OSErr err; + uint32_t maxbuf = bufs.count().n_audio(); + + if (requires_fixed_size_buffers() && (nframes != _last_nframes)) { + unit->GlobalReset(); + _last_nframes = nframes; + } + + current_buffers = &bufs; + current_maxbuf = maxbuf; + current_offset = offset; + cb_offset = 0; + + buffers->mNumberBuffers = min ((uint32_t) output_channels, maxbuf); + + for (uint32_t i = 0; i < buffers->mNumberBuffers; ++i) { + buffers->mBuffers[i].mNumberChannels = 1; + buffers->mBuffers[i].mDataByteSize = nframes * sizeof (Sample); + buffers->mBuffers[i].mData = 0; + } + + ts.mSampleTime = frames_processed; + ts.mFlags = kAudioTimeStampSampleTimeValid; + + if ((err = unit->Render (&flags, &ts, 0, nframes, buffers)) == noErr) { + + current_maxbuf = 0; + frames_processed += nframes; + + uint32_t limit = min ((uint32_t) buffers->mNumberBuffers, maxbuf); + uint32_t i; + + for (i = 0; i < limit; ++i) { + Sample* expected_buffer_address= bufs.get_audio (i).data (offset); + if (expected_buffer_address != buffers->mBuffers[i].mData) { + // cerr << "chn " << i << " rendered into " << bufs[i]+offset << endl; + memcpy (expected_buffer_address, buffers->mBuffers[i].mData, nframes * sizeof (Sample)); + } + } + + /* now silence any buffers that were passed in but the that the plugin + did not fill/touch/use. + */ + + for (;i < maxbuf; ++i) { + Sample* buffer_address= bufs.get_audio (i).data (offset); + memset (buffer_address, 0, nframes * sizeof (Sample)); + } + + return 0; + } + + cerr << name() << " render status " << err << endl; + return -1; +} + +OSStatus +AUPlugin::get_beat_and_tempo_callback (Float64* outCurrentBeat, + Float64* outCurrentTempo) +{ + TempoMap& tmap (_session.tempo_map()); + + TRACE_API ("AU calls ardour beat&tempo callback\n"); + + /* more than 1 meter or more than 1 tempo means that a simplistic computation + (and interpretation) of a beat position will be incorrect. So refuse to + offer the value. + */ + + if (tmap.n_tempos() > 1 || tmap.n_meters() > 1) { + return kAudioUnitErr_CannotDoInCurrentContext; + } + + Timecode::BBT_Time bbt; + TempoMetric metric = tmap.metric_at (_session.transport_frame() + current_offset); + tmap.bbt_time_with_metric (_session.transport_frame() + current_offset, bbt, metric); + + if (outCurrentBeat) { + float beat; + beat = metric.meter().beats_per_bar() * bbt.bars; + beat += bbt.beats; + beat += bbt.ticks / BBT_Time::ticks_per_beat; + *outCurrentBeat = beat; + } + + if (outCurrentTempo) { + *outCurrentTempo = floor (metric.tempo().beats_per_minute()); + } + + return noErr; + +} + +OSStatus +AUPlugin::get_musical_time_location_callback (UInt32* outDeltaSampleOffsetToNextBeat, + Float32* outTimeSig_Numerator, + UInt32* outTimeSig_Denominator, + Float64* outCurrentMeasureDownBeat) +{ + TempoMap& tmap (_session.tempo_map()); + + TRACE_API ("AU calls ardour music time location callback\n"); + + /* more than 1 meter or more than 1 tempo means that a simplistic computation + (and interpretation) of a beat position will be incorrect. So refuse to + offer the value. + */ + + if (tmap.n_tempos() > 1 || tmap.n_meters() > 1) { + return kAudioUnitErr_CannotDoInCurrentContext; + } + + Timecode::BBT_Time bbt; + TempoMetric metric = tmap.metric_at (_session.transport_frame() + current_offset); + tmap.bbt_time_with_metric (_session.transport_frame() + current_offset, bbt, metric); + + if (outDeltaSampleOffsetToNextBeat) { + if (bbt.ticks == 0) { + /* on the beat */ + *outDeltaSampleOffsetToNextBeat = 0; + } else { + *outDeltaSampleOffsetToNextBeat = (UInt32) floor (((BBT_Time::ticks_per_beat - bbt.ticks)/BBT_Time::ticks_per_beat) * // fraction of a beat to next beat + metric.tempo().frames_per_beat(_session.frame_rate(), metric.meter())); // frames per beat + } + } + + if (outTimeSig_Numerator) { + *outTimeSig_Numerator = (UInt32) lrintf (metric.meter().beats_per_bar()); + } + if (outTimeSig_Denominator) { + *outTimeSig_Denominator = (UInt32) lrintf (metric.meter().note_divisor()); + } + + if (outCurrentMeasureDownBeat) { + + /* beat for the start of the bar. + 1|1|0 -> 1 + 2|1|0 -> 1 + beats_per_bar + 3|1|0 -> 1 + (2 * beats_per_bar) + etc. + */ + + *outCurrentMeasureDownBeat = 1 + metric.meter().beats_per_bar() * (bbt.bars - 1); + } + + return noErr; +} + +OSStatus +AUPlugin::get_transport_state_callback (Boolean* outIsPlaying, + Boolean* outTransportStateChanged, + Float64* outCurrentSampleInTimeLine, + Boolean* outIsCycling, + Float64* outCycleStartBeat, + Float64* outCycleEndBeat) +{ + bool rolling; + float speed; + + TRACE_API ("AU calls ardour transport state callback\n"); + + rolling = _session.transport_rolling(); + speed = _session.transport_speed (); + + if (outIsPlaying) { + *outIsPlaying = _session.transport_rolling(); + } + + if (outTransportStateChanged) { + if (rolling != last_transport_rolling) { + *outTransportStateChanged = true; + } else if (speed != last_transport_speed) { + *outTransportStateChanged = true; + } else { + *outTransportStateChanged = false; + } + } + + if (outCurrentSampleInTimeLine) { + /* this assumes that the AU can only call this host callback from render context, + where current_offset is valid. + */ + *outCurrentSampleInTimeLine = _session.transport_frame() + current_offset; + } + + if (outIsCycling) { + Location* loc = _session.locations()->auto_loop_location(); + + *outIsCycling = (loc && _session.transport_rolling() && _session.get_play_loop()); + + if (*outIsCycling) { + + if (outCycleStartBeat || outCycleEndBeat) { + + TempoMap& tmap (_session.tempo_map()); + + /* more than 1 meter means that a simplistic computation (and interpretation) of + a beat position will be incorrect. so refuse to offer the value. + */ + + if (tmap.n_meters() > 1) { + return kAudioUnitErr_CannotDoInCurrentContext; + } + + Timecode::BBT_Time bbt; + + if (outCycleStartBeat) { + TempoMetric metric = tmap.metric_at (loc->start() + current_offset); + _session.tempo_map().bbt_time_with_metric (loc->start(), bbt, metric); + + float beat; + beat = metric.meter().beats_per_bar() * bbt.bars; + beat += bbt.beats; + beat += bbt.ticks / BBT_Time::ticks_per_beat; + + *outCycleStartBeat = beat; + } + + if (outCycleEndBeat) { + TempoMetric metric = tmap.metric_at (loc->end() + current_offset); + _session.tempo_map().bbt_time_with_metric (loc->end(), bbt, metric); + + float beat; + beat = metric.meter().beats_per_bar() * bbt.bars; + beat += bbt.beats; + beat += bbt.ticks / BBT_Time::ticks_per_beat; + + *outCycleEndBeat = beat; + } + } + } + } + + last_transport_rolling = rolling; + last_transport_speed = speed; + + return noErr; +} + +set +AUPlugin::automatable() const +{ + set automates; + + for (uint32_t i = 0; i < descriptors.size(); ++i) { + if (descriptors[i].automatable) { + automates.insert (automates.end(), Evoral::Parameter (PluginAutomation, 0, i)); + } + } + + return automates; +} + +string +AUPlugin::describe_parameter (Evoral::Parameter param) +{ + if (param.type() == PluginAutomation && param.id() < parameter_count()) { + return descriptors[param.id()].label; + } else { + return "??"; + } +} + +void +AUPlugin::print_parameter (uint32_t /*param*/, char* /*buf*/, uint32_t /*len*/) const +{ + // NameValue stuff here +} + +bool +AUPlugin::parameter_is_audio (uint32_t) const +{ + return false; +} + +bool +AUPlugin::parameter_is_control (uint32_t) const +{ + return true; +} + +bool +AUPlugin::parameter_is_input (uint32_t) const +{ + return false; +} + +bool +AUPlugin::parameter_is_output (uint32_t) const +{ + return false; +} + +void +AUPlugin::add_state (XMLNode* root) +{ + LocaleGuard lg (X_("POSIX")); + +#ifdef AU_STATE_SUPPORT + CFDataRef xmlData; + CFPropertyListRef propertyList; + + TRACE_API ("get preset state\n"); + if (unit->GetAUPreset (propertyList) != noErr) { + return; + } + + // Convert the property list into XML data. + + xmlData = CFPropertyListCreateXMLData( kCFAllocatorDefault, propertyList); + + if (!xmlData) { + error << _("Could not create XML version of property list") << endmsg; + return *root; + } + + /* re-parse XML bytes to create a libxml++ XMLTree that we can merge into + our state node. GACK! + */ + + XMLTree t; + + if (t.read_buffer (string ((const char*) CFDataGetBytePtr (xmlData), CFDataGetLength (xmlData)))) { + if (t.root()) { + root->add_child_copy (*t.root()); + } + } + + CFRelease (xmlData); + CFRelease (propertyList); +#else + if (!seen_get_state_message) { + info << string_compose (_("Saving AudioUnit settings is not supported in this build of %1. Consider paying for a newer version"), + PROGRAM_NAME) + << endmsg; + seen_get_state_message = true; + } +#endif +} + +int +AUPlugin::set_state(const XMLNode& node, int version) +{ +#ifdef AU_STATE_SUPPORT + int ret = -1; + CFPropertyListRef propertyList; + LocaleGuard lg (X_("POSIX")); + + if (node.name() != state_node_name()) { + error << _("Bad node sent to AUPlugin::set_state") << endmsg; + return -1; + } + + if (node.children().empty()) { + return -1; + } + + XMLNode* top = node.children().front(); + XMLNode* copy = new XMLNode (*top); + + XMLTree t; + t.set_root (copy); + + const string& xml = t.write_buffer (); + CFDataRef xmlData = CFDataCreateWithBytesNoCopy (kCFAllocatorDefault, (UInt8*) xml.data(), xml.length(), kCFAllocatorNull); + CFStringRef errorString; + + propertyList = CFPropertyListCreateFromXMLData( kCFAllocatorDefault, + xmlData, + kCFPropertyListImmutable, + &errorString); + + CFRelease (xmlData); + + if (propertyList) { + TRACE_API ("set preset\n"); + if (unit->SetAUPreset (propertyList) == noErr) { + ret = 0; + + /* tell the world */ + + AudioUnitParameter changedUnit; + changedUnit.mAudioUnit = unit->AU(); + changedUnit.mParameterID = kAUParameterListener_AnyParameter; + AUParameterListenerNotify (NULL, NULL, &changedUnit); + } + CFRelease (propertyList); + } + + Plugin::set_state (node, version); + return ret; +#else + if (!seen_set_state_message) { + info << string_compose (_("Restoring AudioUnit settings is not supported in this build of %1. Consider paying for a newer version"), + PROGRAM_NAME) + << endmsg; + } + return Plugin::set_state (node, version); +#endif +} + +bool +AUPlugin::load_preset (PluginRecord r) +{ + Plugin::load_preset (r); + +#ifdef AU_STATE_SUPPORT + bool ret = false; + CFPropertyListRef propertyList; + Glib::ustring path; + UserPresetMap::iterator ux; + FactoryPresetMap::iterator fx; + + /* look first in "user" presets */ + + if ((ux = user_preset_map.find (preset_label)) != user_preset_map.end()) { + + if ((propertyList = load_property_list (ux->second)) != 0) { + TRACE_API ("set preset from user presets\n"); + if (unit->SetAUPreset (propertyList) == noErr) { + ret = true; + + /* tell the world */ + + AudioUnitParameter changedUnit; + changedUnit.mAudioUnit = unit->AU(); + changedUnit.mParameterID = kAUParameterListener_AnyParameter; + AUParameterListenerNotify (NULL, NULL, &changedUnit); + } + CFRelease(propertyList); + } + + } else if ((fx = factory_preset_map.find (preset_label)) != factory_preset_map.end()) { + + AUPreset preset; + + preset.presetNumber = fx->second; + preset.presetName = CFStringCreateWithCString (kCFAllocatorDefault, fx->first.c_str(), kCFStringEncodingUTF8); + + TRACE_API ("set preset from factory presets\n"); + + if (unit->SetPresentPreset (preset) == 0) { + ret = true; + + /* tell the world */ + + AudioUnitParameter changedUnit; + changedUnit.mAudioUnit = unit->AU(); + changedUnit.mParameterID = kAUParameterListener_AnyParameter; + AUParameterListenerNotify (NULL, NULL, &changedUnit); + } + } + + return ret; +#else + if (!seen_loading_message) { + info << string_compose (_("Loading AudioUnit presets is not supported in this build of %1. Consider paying for a newer version"), + PROGRAM_NAME) + << endmsg; + seen_loading_message = true; + } + return true; +#endif +} + +PresetRecord +AUPlugin::save_preset (string preset_name) +{ +#ifdef AU_STATE_SUPPORT + CFPropertyListRef propertyList; + vector v; + Glib::ustring user_preset_path; + bool ret = true; + + std::string m = maker(); + std::string n = name(); + + strip_whitespace_edges (m); + strip_whitespace_edges (n); + + v.push_back (Glib::get_home_dir()); + v.push_back ("Library"); + v.push_back ("Audio"); + v.push_back ("Presets"); + v.push_back (m); + v.push_back (n); + + user_preset_path = Glib::build_filename (v); + + if (g_mkdir_with_parents (user_preset_path.c_str(), 0775) < 0) { + error << string_compose (_("Cannot create user plugin presets folder (%1)"), user_preset_path) << endmsg; + return false; + } + + TRACE_API ("get current preset\n"); + if (unit->GetAUPreset (propertyList) != noErr) { + return false; + } + + // add the actual preset name */ + + v.push_back (preset_name + preset_suffix); + + // rebuild + + user_preset_path = Glib::build_filename (v); + + set_preset_name_in_plist (propertyList, preset_name); + + if (save_property_list (propertyList, user_preset_path)) { + error << string_compose (_("Saving plugin state to %1 failed"), user_preset_path) << endmsg; + ret = false; + } + + CFRelease(propertyList); + + return ret; +#else + if (!seen_saving_message) { + info << string_compose (_("Saving AudioUnit presets is not supported in this build of %1. Consider paying for a newer version"), + PROGRAM_NAME) + << endmsg; + seen_saving_message = true; + } + return false; +#endif +} + +//----------------------------------------------------------------------------- +// this is just a little helper function used by GetAUComponentDescriptionFromPresetFile() +static SInt32 +GetDictionarySInt32Value(CFDictionaryRef inAUStateDictionary, CFStringRef inDictionaryKey, Boolean * outSuccess) +{ + CFNumberRef cfNumber; + SInt32 numberValue = 0; + Boolean dummySuccess; + + if (outSuccess == NULL) + outSuccess = &dummySuccess; + if ( (inAUStateDictionary == NULL) || (inDictionaryKey == NULL) ) + { + *outSuccess = FALSE; + return 0; + } + + cfNumber = (CFNumberRef) CFDictionaryGetValue(inAUStateDictionary, inDictionaryKey); + if (cfNumber == NULL) + { + *outSuccess = FALSE; + return 0; + } + *outSuccess = CFNumberGetValue(cfNumber, kCFNumberSInt32Type, &numberValue); + if (*outSuccess) + return numberValue; + else + return 0; +} + +static OSStatus +GetAUComponentDescriptionFromStateData(CFPropertyListRef inAUStateData, ComponentDescription * outComponentDescription) +{ + CFDictionaryRef auStateDictionary; + ComponentDescription tempDesc = {0,0,0,0,0}; + SInt32 versionValue; + Boolean gotValue; + + if ( (inAUStateData == NULL) || (outComponentDescription == NULL) ) + return paramErr; + + // the property list for AU state data must be of the dictionary type + if (CFGetTypeID(inAUStateData) != CFDictionaryGetTypeID()) { + return kAudioUnitErr_InvalidPropertyValue; + } + + auStateDictionary = (CFDictionaryRef)inAUStateData; + + // first check to make sure that the version of the AU state data is one that we know understand + // XXX should I really do this? later versions would probably still hold these ID keys, right? + versionValue = GetDictionarySInt32Value(auStateDictionary, CFSTR(kAUPresetVersionKey), &gotValue); + + if (!gotValue) { + return kAudioUnitErr_InvalidPropertyValue; + } +#define kCurrentSavedStateVersion 0 + if (versionValue != kCurrentSavedStateVersion) { + return kAudioUnitErr_InvalidPropertyValue; + } + + // grab the ComponentDescription values from the AU state data + tempDesc.componentType = (OSType) GetDictionarySInt32Value(auStateDictionary, CFSTR(kAUPresetTypeKey), NULL); + tempDesc.componentSubType = (OSType) GetDictionarySInt32Value(auStateDictionary, CFSTR(kAUPresetSubtypeKey), NULL); + tempDesc.componentManufacturer = (OSType) GetDictionarySInt32Value(auStateDictionary, CFSTR(kAUPresetManufacturerKey), NULL); + // zero values are illegit for specific ComponentDescriptions, so zero for any value means that there was an error + if ( (tempDesc.componentType == 0) || (tempDesc.componentSubType == 0) || (tempDesc.componentManufacturer == 0) ) + return kAudioUnitErr_InvalidPropertyValue; + + *outComponentDescription = tempDesc; + return noErr; +} + + +static bool au_preset_filter (const string& str, void* arg) +{ + /* Not a dotfile, has a prefix before a period, suffix is aupreset */ + + bool ret; + + ret = (str[0] != '.' && str.length() > 9 && str.find (preset_suffix) == (str.length() - preset_suffix.length())); + + if (ret && arg) { + + /* check the preset file path name against this plugin + ID. The idea is that all preset files for this plugin + include "/" in their path. + */ + + Plugin* p = (Plugin *) arg; + string match = p->maker(); + match += '/'; + match += p->name(); + + ret = str.find (match) != string::npos; + + if (ret == false) { + string m = p->maker (); + string n = p->name (); + strip_whitespace_edges (m); + strip_whitespace_edges (n); + match = m; + match += '/'; + match += n; + + ret = str.find (match) != string::npos; + } + } + + return ret; +} + +bool +check_and_get_preset_name (Component component, const string& pathstr, string& preset_name) +{ + OSStatus status; + CFPropertyListRef plist; + ComponentDescription presetDesc; + bool ret = false; + + plist = load_property_list (pathstr); + + if (!plist) { + return ret; + } + + // get the ComponentDescription from the AU preset file + + status = GetAUComponentDescriptionFromStateData(plist, &presetDesc); + + if (status == noErr) { + if (ComponentAndDescriptionMatch_Loosely(component, &presetDesc)) { + + /* try to get the preset name from the property list */ + + if (CFGetTypeID(plist) == CFDictionaryGetTypeID()) { + + const void* psk = CFDictionaryGetValue ((CFMutableDictionaryRef)plist, CFSTR(kAUPresetNameKey)); + + if (psk) { + + const char* p = CFStringGetCStringPtr ((CFStringRef) psk, kCFStringEncodingUTF8); + + if (!p) { + char buf[PATH_MAX+1]; + + if (CFStringGetCString ((CFStringRef)psk, buf, sizeof (buf), kCFStringEncodingUTF8)) { + preset_name = buf; + } + } + } + } + } + } + + CFRelease (plist); + + return true; +} + +std::string +AUPlugin::current_preset() const +{ + string preset_name; + +#ifdef AU_STATE_SUPPORT + CFPropertyListRef propertyList; + + TRACE_API ("get current preset for current_preset()\n"); + if (unit->GetAUPreset (propertyList) == noErr) { + preset_name = get_preset_name_in_plist (propertyList); + CFRelease(propertyList); + } +#endif + return preset_name; +} + +void +AUPlugin::find_presets () +{ +#ifdef AU_STATE_SUPPORT + vector* preset_files; + PathScanner scanner; + + user_preset_map.clear (); + + preset_files = scanner (preset_search_path, au_preset_filter, this, true, true, -1, true); + + if (!preset_files) { + return; + } + + for (vector::iterator x = preset_files->begin(); x != preset_files->end(); ++x) { + + string path = *(*x); + string preset_name; + + /* make an initial guess at the preset name using the path */ + + preset_name = Glib::path_get_basename (path); + preset_name = preset_name.substr (0, preset_name.find_last_of ('.')); + + /* check that this preset file really matches this plugin + and potentially get the "real" preset name from + within the file. + */ + + if (check_and_get_preset_name (get_comp()->Comp(), path, preset_name)) { + user_preset_map[preset_name] = path; + } + + delete *x; + } + + delete preset_files; + + /* now fill the vector with the names we have */ + + for (UserPresetMap::iterator i = user_preset_map.begin(); i != user_preset_map.end(); ++i) { + _presets.insert (i->second, Plugin::PresetRecord (i->second, i->first)); + } + + /* add factory presets */ + + for (FactoryPresetMap::iterator i = factory_preset_map.begin(); i != factory_preset_map.end(); ++i) { + /* XXX: dubious */ + string const uri = string_compose ("%1", _presets.size ()); + _presets.push_back (uri, Plugin::PresetRecord (uri, i->first)); + } + +#endif +} + +bool AUPlugin::has_editor () const { - return false; + // even if the plugin doesn't have its own editor, the AU API can be used + // to create one that looks native. + return true; +} + +AUPluginInfo::AUPluginInfo (boost::shared_ptr d) + : descriptor (d) +{ + type = ARDOUR::AudioUnit; +} + +AUPluginInfo::~AUPluginInfo () +{ + type = ARDOUR::AudioUnit; } PluginPtr @@ -284,28 +2044,67 @@ AUPluginInfo::load (Session& session) try { PluginPtr plugin; - CAComponent* comp = new CAComponent(*desc); - + TRACE_API ("load AU as a component\n"); + boost::shared_ptr comp (new CAComponent(*descriptor)); + if (!comp->IsValid()) { error << ("AudioUnit: not a valid Component") << endmsg; } else { plugin.reset (new AUPlugin (session.engine(), session, comp)); } - - plugin->set_info(PluginInfoPtr(new AUPluginInfo(*this))); + + AUPluginInfo *aup = new AUPluginInfo (*this); + plugin->set_info (PluginInfoPtr (aup)); + boost::dynamic_pointer_cast (plugin)->set_fixed_size_buffers (aup->creator == "Universal Audio"); return plugin; } catch (failed_constructor &err) { - return PluginPtr ((Plugin*) 0); + return PluginPtr (); } } -PluginInfoList +Glib::ustring +AUPluginInfo::au_cache_path () +{ + return Glib::build_filename (ARDOUR::user_config_directory().to_string(), "au_cache"); +} + +PluginInfoList* AUPluginInfo::discover () { - PluginInfoList plugs; + XMLTree tree; + + if (!Glib::file_test (au_cache_path(), Glib::FILE_TEST_EXISTS)) { + ARDOUR::BootMessage (_("Discovering AudioUnit plugins (could take some time ...)")); + } + + PluginInfoList* plugs = new PluginInfoList; + + discover_fx (*plugs); + discover_music (*plugs); + discover_generators (*plugs); + discover_instruments (*plugs); + + return plugs; +} + +void +AUPluginInfo::discover_music (PluginInfoList& plugs) +{ + CAComponentDescription desc; + desc.componentFlags = 0; + desc.componentFlagsMask = 0; + desc.componentSubType = 0; + desc.componentManufacturer = 0; + desc.componentType = kAudioUnitType_MusicEffect; + discover_by_description (plugs, desc); +} + +void +AUPluginInfo::discover_fx (PluginInfoList& plugs) +{ CAComponentDescription desc; desc.componentFlags = 0; desc.componentFlagsMask = 0; @@ -313,35 +2112,352 @@ AUPluginInfo::discover () desc.componentManufacturer = 0; desc.componentType = kAudioUnitType_Effect; + discover_by_description (plugs, desc); +} + +void +AUPluginInfo::discover_generators (PluginInfoList& plugs) +{ + CAComponentDescription desc; + desc.componentFlags = 0; + desc.componentFlagsMask = 0; + desc.componentSubType = 0; + desc.componentManufacturer = 0; + desc.componentType = kAudioUnitType_Generator; + + discover_by_description (plugs, desc); +} + +void +AUPluginInfo::discover_instruments (PluginInfoList& plugs) +{ + CAComponentDescription desc; + desc.componentFlags = 0; + desc.componentFlagsMask = 0; + desc.componentSubType = 0; + desc.componentManufacturer = 0; + desc.componentType = kAudioUnitType_MusicDevice; + + discover_by_description (plugs, desc); +} + +void +AUPluginInfo::discover_by_description (PluginInfoList& plugs, CAComponentDescription& desc) +{ Component comp = 0; comp = FindNextComponent (NULL, &desc); + while (comp != NULL) { CAComponentDescription temp; GetComponentInfo (comp, &temp, NULL, NULL, NULL); - - AUPluginInfoPtr plug(new AUPluginInfo); - plug->name = AUPluginInfo::get_name (temp); - plug->type = ARDOUR::AudioUnit; - plug->n_inputs = 0; - plug->n_outputs = 0; - // plug->setup_nchannels (temp); - plug->category = "AudioUnit"; - plug->desc = new CAComponentDescription(temp); - - plugs.push_back(plug); - + + AUPluginInfoPtr info (new AUPluginInfo + (boost::shared_ptr (new CAComponentDescription(temp)))); + + /* although apple designed the subtype field to be a "category" indicator, + its really turned into a plugin ID field for a given manufacturer. Hence + there are no categories for AudioUnits. However, to keep the plugins + showing up under "categories", we'll use the "type" as a high level + selector. + + NOTE: no panners, format converters or i/o AU's for our purposes + */ + + switch (info->descriptor->Type()) { + case kAudioUnitType_Panner: + case kAudioUnitType_OfflineEffect: + case kAudioUnitType_FormatConverter: + continue; + + case kAudioUnitType_Output: + info->category = _("AudioUnit Outputs"); + break; + case kAudioUnitType_MusicDevice: + info->category = _("AudioUnit Instruments"); + break; + case kAudioUnitType_MusicEffect: + info->category = _("AudioUnit MusicEffects"); + break; + case kAudioUnitType_Effect: + info->category = _("AudioUnit Effects"); + break; + case kAudioUnitType_Mixer: + info->category = _("AudioUnit Mixers"); + break; + case kAudioUnitType_Generator: + info->category = _("AudioUnit Generators"); + break; + default: + info->category = _("AudioUnit (Unknown)"); + break; + } + + AUPluginInfo::get_names (temp, info->name, info->creator); + + info->type = ARDOUR::AudioUnit; + info->unique_id = stringify_descriptor (*info->descriptor); + + /* XXX not sure of the best way to handle plugin versioning yet + */ + + CAComponent cacomp (*info->descriptor); + + if (cacomp.GetResourceVersion (info->version) != noErr) { + info->version = 0; + } + + if (cached_io_configuration (info->unique_id, info->version, cacomp, info->cache, info->name)) { + + /* here we have to map apple's wildcard system to a simple pair + of values. in ::can_do() we use the whole system, but here + we need a single pair of values. XXX probably means we should + remove any use of these values. + */ + + info->n_inputs.set (DataType::AUDIO, info->cache.io_configs.front().first); + info->n_outputs.set (DataType::AUDIO, info->cache.io_configs.front().second); + + cerr << "detected AU: " << info->name.c_str() << " (" << info->cache.io_configs.size() << " i/o configurations) - " << info->unique_id << endl; + + plugs.push_back (info); + + } else { + error << string_compose (_("Cannot get I/O configuration info for AU %1"), info->name) << endmsg; + } + comp = FindNextComponent (comp, &desc); } +} - return plugs; +bool +AUPluginInfo::cached_io_configuration (const std::string& unique_id, + UInt32 version, + CAComponent& comp, + AUPluginCachedInfo& cinfo, + const std::string& name) +{ + std::string id; + char buf[32]; + + /* concatenate unique ID with version to provide a key for cached info lookup. + this ensures we don't get stale information, or should if plugin developers + follow Apple "guidelines". + */ + + snprintf (buf, sizeof (buf), "%u", (uint32_t) version); + id = unique_id; + id += '/'; + id += buf; + + CachedInfoMap::iterator cim = cached_info.find (id); + + if (cim != cached_info.end()) { + cinfo = cim->second; + return true; + } + + CAAudioUnit unit; + AUChannelInfo* channel_info; + UInt32 cnt; + int ret; + + ARDOUR::BootMessage (string_compose (_("Checking AudioUnit: %1"), name)); + + try { + + if (CAAudioUnit::Open (comp, unit) != noErr) { + return false; + } + + } catch (...) { + + warning << string_compose (_("Could not load AU plugin %1 - ignored"), name) << endmsg; + cerr << string_compose (_("Could not load AU plugin %1 - ignored"), name) << endl; + return false; + + } + + TRACE_API ("get AU channel info\n"); + if ((ret = unit.GetChannelInfo (&channel_info, cnt)) < 0) { + return false; + } + + if (ret > 0) { + /* no explicit info available */ + + cinfo.io_configs.push_back (pair (-1, -1)); + + } else { + + /* store each configuration */ + + for (uint32_t n = 0; n < cnt; ++n) { + cinfo.io_configs.push_back (pair (channel_info[n].inChannels, + channel_info[n].outChannels)); + } + + free (channel_info); + } + + add_cached_info (id, cinfo); + save_cached_info (); + + return true; } -string -AUPluginInfo::get_name (CAComponentDescription& comp_desc) +void +AUPluginInfo::add_cached_info (const std::string& id, AUPluginCachedInfo& cinfo) +{ + cached_info[id] = cinfo; +} + +#define AU_CACHE_VERSION "2.0" + +void +AUPluginInfo::save_cached_info () +{ + XMLNode* node; + + node = new XMLNode (X_("AudioUnitPluginCache")); + node->add_property( "version", AU_CACHE_VERSION ); + + for (map::iterator i = cached_info.begin(); i != cached_info.end(); ++i) { + XMLNode* parent = new XMLNode (X_("plugin")); + parent->add_property ("id", i->first); + node->add_child_nocopy (*parent); + + for (vector >::iterator j = i->second.io_configs.begin(); j != i->second.io_configs.end(); ++j) { + + XMLNode* child = new XMLNode (X_("io")); + char buf[32]; + + snprintf (buf, sizeof (buf), "%d", j->first); + child->add_property (X_("in"), buf); + snprintf (buf, sizeof (buf), "%d", j->second); + child->add_property (X_("out"), buf); + parent->add_child_nocopy (*child); + } + + } + + Glib::ustring path = au_cache_path (); + XMLTree tree; + + tree.set_root (node); + + if (!tree.write (path)) { + error << string_compose (_("could not save AU cache to %1"), path) << endmsg; + unlink (path.c_str()); + } +} + +int +AUPluginInfo::load_cached_info () +{ + Glib::ustring path = au_cache_path (); + XMLTree tree; + + if (!Glib::file_test (path, Glib::FILE_TEST_EXISTS)) { + return 0; + } + + if ( !tree.read (path) ) { + error << "au_cache is not a valid XML file. AU plugins will be re-scanned" << endmsg; + return -1; + } + + const XMLNode* root (tree.root()); + + if (root->name() != X_("AudioUnitPluginCache")) { + return -1; + } + + //initial version has incorrectly stored i/o info, and/or garbage chars. + const XMLProperty* version = root->property(X_("version")); + if (! ((version != NULL) && (version->value() == X_(AU_CACHE_VERSION)))) { + error << "au_cache is not correct version. AU plugins will be re-scanned" << endmsg; + return -1; + } + + cached_info.clear (); + + const XMLNodeList children = root->children(); + + for (XMLNodeConstIterator iter = children.begin(); iter != children.end(); ++iter) { + + const XMLNode* child = *iter; + + if (child->name() == X_("plugin")) { + + const XMLNode* gchild; + const XMLNodeList gchildren = child->children(); + const XMLProperty* prop = child->property (X_("id")); + + if (!prop) { + continue; + } + + string id = prop->value(); + string fixed; + string version; + + string::size_type slash = id.find_last_of ('/'); + + if (slash == string::npos) { + continue; + } + + version = id.substr (slash); + id = id.substr (0, slash); + fixed = AUPlugin::maybe_fix_broken_au_id (id); + + if (fixed.empty()) { + error << string_compose (_("Your AudioUnit configuration cache contains an AU plugin whose ID cannot be understood - ignored (%1)"), id) << endmsg; + continue; + } + + id = fixed; + id += version; + + AUPluginCachedInfo cinfo; + + for (XMLNodeConstIterator giter = gchildren.begin(); giter != gchildren.end(); giter++) { + + gchild = *giter; + + if (gchild->name() == X_("io")) { + + int in; + int out; + const XMLProperty* iprop; + const XMLProperty* oprop; + + if (((iprop = gchild->property (X_("in"))) != 0) && + ((oprop = gchild->property (X_("out"))) != 0)) { + in = atoi (iprop->value()); + out = atoi (oprop->value()); + + cinfo.io_configs.push_back (pair (in, out)); + } + } + } + + if (cinfo.io_configs.size()) { + add_cached_info (id, cinfo); + } + } + } + + return 0; +} + +void +AUPluginInfo::get_names (CAComponentDescription& comp_desc, std::string& name, std::string& maker) { CFStringRef itemName = NULL; - // Marc Poirier -style item name + + // Marc Poirier-style item name CAComponent auComponent (comp_desc); if (auComponent.IsValid()) { CAComponentDescription dummydesc; @@ -357,16 +2473,16 @@ AUPluginInfo::get_name (CAComponentDescription& comp_desc) DisposeHandle(nameHandle); } } - + // if Marc-style fails, do the original way if (itemName == NULL) { CFStringRef compTypeString = UTCreateStringForOSType(comp_desc.componentType); CFStringRef compSubTypeString = UTCreateStringForOSType(comp_desc.componentSubType); CFStringRef compManufacturerString = UTCreateStringForOSType(comp_desc.componentManufacturer); - - itemName = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("%@ - %@ - %@"), + + itemName = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("%@ - %@ - %@"), compTypeString, compManufacturerString, compSubTypeString); - + if (compTypeString != NULL) CFRelease(compTypeString); if (compSubTypeString != NULL) @@ -374,24 +2490,67 @@ AUPluginInfo::get_name (CAComponentDescription& comp_desc) if (compManufacturerString != NULL) CFRelease(compManufacturerString); } - - return CFStringRefToStdString(itemName); -} -void -AUPluginInfo::setup_nchannels (CAComponentDescription& comp_desc) -{ - CAAudioUnit unit; - - CAAudioUnit::Open (comp_desc, unit); - - if (unit.SupportsNumChannels()) { - n_inputs = n_outputs = 0; + string str = CFStringRefToStdString(itemName); + string::size_type colon = str.find (':'); + + if (colon) { + name = str.substr (colon+1); + maker = str.substr (0, colon); + strip_whitespace_edges (maker); + strip_whitespace_edges (name); } else { - AUChannelInfo cinfo; - size_t info_size = sizeof(cinfo); - OSStatus err = AudioUnitGetProperty (unit.AU(), kAudioUnitProperty_SupportedNumChannels, kAudioUnitScope_Global, - 0, &cinfo, &info_size); + name = str; + maker = "unknown"; + strip_whitespace_edges (name); } } +std::string +AUPluginInfo::stringify_descriptor (const CAComponentDescription& desc) +{ + stringstream s; + + /* note: OSType is a compiler-implemenation-defined value, + historically a 32 bit integer created with a multi-character + constant such as 'abcd'. It is, fundamentally, an abomination. + */ + + s << desc.Type(); + s << '-'; + s << desc.SubType(); + s << '-'; + s << desc.Manu(); + + return s.str(); +} + +bool +AUPluginInfo::needs_midi_input () +{ + return is_effect_with_midi_input () || is_instrument (); +} + +bool +AUPluginInfo::is_effect () const +{ + return is_effect_without_midi_input() || is_effect_with_midi_input(); +} + +bool +AUPluginInfo::is_effect_without_midi_input () const +{ + return descriptor->IsAUFX(); +} + +bool +AUPluginInfo::is_effect_with_midi_input () const +{ + return descriptor->IsAUFM(); +} + +bool +AUPluginInfo::is_instrument () const +{ + return descriptor->IsMusicDevice(); +}