/*
- 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
*/
-#include <pbd/transmitter.h>
-#include <pbd/xml++.h>
+#include <sstream>
+#include <errno.h>
+#include <string.h>
+#include <math.h>
+#include <ctype.h>
+
+#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 <glibmm/thread.h>
+#include <glibmm/fileutils.h>
+#include <glibmm/miscutils.h>
-#include <ardour/audioengine.h>
-#include <ardour/audio_unit.h>
-#include <ardour/session.h>
-#include <ardour/utils.h>
+#include "ardour/ardour.h"
+#include "ardour/audioengine.h"
+#include "ardour/audio_buffer.h"
+#include "ardour/debug.h"
+#include "ardour/midi_buffer.h"
+#include "ardour/filesystem_paths.h"
+#include "ardour/io.h"
+#include "ardour/audio_unit.h"
+#include "ardour/route.h"
+#include "ardour/session.h"
+#include "ardour/tempo.h"
+#include "ardour/utils.h"
-#include <appleutility/CAAudioUnit.h>
+#include "appleutility/CAAudioUnit.h"
+#include "appleutility/CAAUParameter.h"
+#include <CoreFoundation/CoreFoundation.h>
#include <CoreServices/CoreServices.h>
#include <AudioUnit/AudioUnit.h>
+#include <AudioToolbox/AudioUnitUtilities.h>
+#ifdef WITH_CARBON
+#include <Carbon/Carbon.h>
+#endif
#include "i18n.h"
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 ();
- }
-
- unit->Initialize ();
-}
+#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
-AUPlugin::~AUPlugin ()
+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 OSStatus
+_render_callback(void *userData,
+ AudioUnitRenderActionFlags *ioActionFlags,
+ const AudioTimeStamp *inTimeStamp,
+ UInt32 inBusNumber,
+ UInt32 inNumberFrames,
+ AudioBufferList* ioData)
{
- if (unit) {
- unit->Uninitialize ();
- delete unit;
- }
-
- if (comp) {
- delete comp;
- }
-
- if (in_list) {
- delete in_list;
- }
-
- if (out_list) {
- delete out_list;
+ if (userData) {
+ return ((AUPlugin*)userData)->render_callback (ioActionFlags, inTimeStamp, inBusNumber, inNumberFrames, ioData);
}
+ return paramErr;
}
-AUPluginInfo::~AUPluginInfo ()
+static OSStatus
+_get_beat_and_tempo_callback (void* userData,
+ Float64* outCurrentBeat,
+ Float64* outCurrentTempo)
{
- if (desc) {
- delete desc;
+ if (userData) {
+ return ((AUPlugin*)userData)->get_beat_and_tempo_callback (outCurrentBeat, outCurrentTempo);
}
-}
-uint32_t
-AUPlugin::unique_id () const
-{
- return 0;
+ return paramErr;
}
-const char *
-AUPlugin::label () const
+static OSStatus
+_get_musical_time_location_callback (void * userData,
+ UInt32 * outDeltaSampleOffsetToNextBeat,
+ Float32 * outTimeSig_Numerator,
+ UInt32 * outTimeSig_Denominator,
+ Float64 * outCurrentMeasureDownBeat)
{
- return "AUPlugin label";
+ if (userData) {
+ return ((AUPlugin*)userData)->get_musical_time_location_callback (outDeltaSampleOffsetToNextBeat,
+ outTimeSig_Numerator,
+ outTimeSig_Denominator,
+ outCurrentMeasureDownBeat);
+ }
+ return paramErr;
}
-const char *
-AUPlugin::maker () const
+static OSStatus
+_get_transport_state_callback (void* userData,
+ Boolean* outIsPlaying,
+ Boolean* outTransportStateChanged,
+ Float64* outCurrentSampleInTimeLine,
+ Boolean* outIsCycling,
+ Float64* outCycleStartBeat,
+ Float64* outCycleEndBeat)
{
- return "AUplugin maker";
+ if (userData) {
+ return ((AUPlugin*)userData)->get_transport_state_callback (
+ outIsPlaying, outTransportStateChanged,
+ outCurrentSampleInTimeLine, outIsCycling,
+ outCycleStartBeat, outCycleEndBeat);
+ }
+ return paramErr;
}
-uint32_t
-AUPlugin::parameter_count () const
-{
- return 0;
-}
-float
-AUPlugin::default_value (uint32_t port)
+static int
+save_property_list (CFPropertyListRef propertyList, Glib::ustring path)
+
{
- // AudioUnits don't have default values. Maybe presets though?
+ 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;
}
-jack_nframes_t
-AUPlugin::latency () const
+
+static CFPropertyListRef
+load_property_list (Glib::ustring path)
{
- return unit->Latency ();
+ 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;
}
-void
-AUPlugin::set_parameter (uint32_t which, float val)
+//-----------------------------------------------------------------------------
+static void
+set_preset_name_in_plist (CFPropertyListRef plist, string preset_name)
{
- unit->SetParameter (parameter_map[which].first, parameter_map[which].second, 0, val);
+ if (!plist) {
+ return;
+ }
+ CFStringRef pn = CFStringCreateWithCString (kCFAllocatorDefault, preset_name.c_str(), kCFStringEncodingUTF8);
+
+ if (CFGetTypeID (plist) == CFDictionaryGetTypeID()) {
+ CFDictionarySetValue ((CFMutableDictionaryRef)plist, CFSTR(kAUPresetNameKey), pn);
+ }
+
+ CFRelease (pn);
}
-float
-AUPlugin::get_parameter (uint32_t which) const
+//-----------------------------------------------------------------------------
+static std::string
+get_preset_name_in_plist (CFPropertyListRef plist)
{
- float outValue = 0.0;
-
- unit->GetParameter(parameter_map[which].first, parameter_map[which].second, 0, outValue);
-
- return outValue;
+ 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;
}
-int
-AUPlugin::get_parameter_descriptor (uint32_t which, ParameterDescriptor&) const
+//--------------------------------------------------------------------------
+// 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)
{
- return -1;
+ 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;
}
-uint32_t
-AUPlugin::nth_parameter (uint32_t which, bool& ok) 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 0;
+ 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::activate ()
+//--------------------------------------------------------------------------
+// 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->GlobalReset ();
+ return ComponentDescriptionsMatch_General(inComponentDescription1, inComponentDescription2, FALSE);
}
-void
-AUPlugin::deactivate ()
+//--------------------------------------------------------------------------
+// determine if 2 ComponentDescriptions have matching sub-type and manufacturer codes
+Boolean ComponentDescriptionsMatch_Loose(const ComponentDescription * inComponentDescription1, const ComponentDescription * inComponentDescription2)
{
- // not needed. GlobalReset () takes care of it.
+ return ComponentDescriptionsMatch_General(inComponentDescription1, inComponentDescription2, TRUE);
}
-void
-AUPlugin::set_block_size (jack_nframes_t nframes)
+//--------------------------------------------------------------------------
+// determine if a ComponentDescription basically matches that of a particular Component
+Boolean ComponentAndDescriptionMatch(Component inComponent, const ComponentDescription * inComponentDescription)
{
-
+ return ComponentAndDescriptionMatch_General(inComponent, inComponentDescription, FALSE);
}
-int
-AUPlugin::connect_and_run (vector<Sample*>& bufs, uint32_t maxbuf, int32_t& in, int32_t& out, jack_nframes_t nframes, jack_nframes_t offset)
+//--------------------------------------------------------------------------
+// determine if a ComponentDescription matches only the sub-type and manufacturer codes of a particular Component
+Boolean ComponentAndDescriptionMatch_Loosely(Component inComponent, const ComponentDescription * inComponentDescription)
{
- 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;
+ return ComponentAndDescriptionMatch_General(inComponent, inComponentDescription, TRUE);
}
-set<uint32_t>
-AUPlugin::automatable() const
+
+AUPlugin::AUPlugin (AudioEngine& engine, Session& session, boost::shared_ptr<CAComponent> _comp)
+ : Plugin (engine, session)
+ , comp (_comp)
+ , unit (new CAAudioUnit)
+ , initialized (false)
+ , _current_block_size (0)
+ , _requires_fixed_size_buffers (false)
+ , buffers (0)
+ , input_maxbuf (0)
+ , input_offset (0)
+ , input_buffers (0)
+ , frames_processed (0)
+ , _parameter_listener (0)
+ , _parameter_listener_arg (0)
+ , last_transport_rolling (false)
+ , last_transport_speed (0.0)
{
- set<uint32_t> automates;
-
- return automates;
+ 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::store_state (ARDOUR::PluginState&)
+
+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)
+ , input_maxbuf (0)
+ , input_offset (0)
+ , input_buffers (0)
+ , frames_processed (0)
+ , _parameter_listener (0)
+ , _parameter_listener_arg (0)
+
{
-
+ init ();
}
-void
-AUPlugin::restore_state (ARDOUR::PluginState&)
+AUPlugin::~AUPlugin ()
{
+ if (_parameter_listener) {
+ AUListenerDispose (_parameter_listener);
+ _parameter_listener = 0;
+ }
-}
+ if (unit) {
+ DEBUG_TRACE (DEBUG::AudioUnits, "about to call uninitialize in plugin destructor\n");
+ unit->Uninitialize ();
+ }
-string
-AUPlugin::describe_parameter (uint32_t)
-{
- return "";
+ if (buffers) {
+ free (buffers);
+ }
}
void
-AUPlugin::print_parameter (uint32_t, char*, uint32_t len) const
+AUPlugin::discover_factory_presets ()
{
-
-}
+ CFArrayRef presets;
+ UInt32 dataSize;
+ Boolean isWritable;
+ OSStatus err;
-bool
-AUPlugin::parameter_is_audio (uint32_t) const
-{
- return false;
-}
+ if ((err = unit->GetPropertyInfo (kAudioUnitProperty_FactoryPresets, kAudioUnitScope_Global, 0, &dataSize, &isWritable)) != 0) {
+ DEBUG_TRACE (DEBUG::AudioUnits, "no factory presets for AU\n");
+ return;
+ }
-bool
-AUPlugin::parameter_is_control (uint32_t) const
-{
- return false;
-}
+ assert (dataSize == sizeof (presets));
-bool
-AUPlugin::parameter_is_input (uint32_t) const
-{
- return false;
-}
+ if ((err = unit->GetProperty (kAudioUnitProperty_FactoryPresets, kAudioUnitScope_Global, 0, (void*) &presets, &dataSize)) != 0) {
+ error << string_compose (_("cannot get factory preset info: errcode %1"), err) << endmsg;
+ return;
+ }
-bool
-AUPlugin::parameter_is_output (uint32_t) const
-{
- return false;
-}
+ if (!presets) {
+ return;
+ }
-XMLNode&
-AUPlugin::get_state()
-{
- XMLNode* root = new XMLNode (state_node_name());
-
- return *root;
-}
+ CFIndex cnt = CFArrayGetCount (presets);
-int
-AUPlugin::set_state(const XMLNode& node)
-{
- return -1;
-}
+ for (CFIndex i = 0; i < cnt; ++i) {
+ AUPreset* preset = (AUPreset*) CFArrayGetValueAtIndex (presets, i);
-bool
-AUPlugin::save_preset (string name)
-{
- return false;
-}
+ string name = CFStringRefToStdString (preset->presetName);
+ factory_preset_map[name] = preset->presetNumber;
+ }
-bool
-AUPlugin::load_preset (const string preset_label)
-{
- return false;
+ CFRelease (presets);
}
-vector<string>
-AUPlugin::get_presets ()
+void
+AUPlugin::init ()
{
- vector<string> presets;
-
- return presets;
-}
+ OSErr err;
-bool
-AUPlugin::has_editor () const
-{
- return false;
-}
+ /* these keep track of *configured* channel set up,
+ not potential set ups.
+ */
+
+ input_channels = -1;
+ output_channels = -1;
-PluginPtr
-AUPluginInfo::load (Session& session)
-{
try {
- PluginPtr plugin;
+ DEBUG_TRACE (DEBUG::AudioUnits, "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 ();
+ }
- CAComponent* comp = new CAComponent(*desc);
+ DEBUG_TRACE (DEBUG::AudioUnits, "count global elements\n");
+ unit->GetElementCount (kAudioUnitScope_Global, global_elements);
+ DEBUG_TRACE (DEBUG::AudioUnits, "count input elements\n");
+ unit->GetElementCount (kAudioUnitScope_Input, input_elements);
+ DEBUG_TRACE (DEBUG::AudioUnits, "count output elements\n");
+ unit->GetElementCount (kAudioUnitScope_Output, output_elements);
+
+ if (input_elements > 0) {
+ /* setup render callback: the plugin calls this to get input data
+ */
- if (!comp->IsValid()) {
- error << ("AudioUnit: not a valid Component") << endmsg;
- } else {
- plugin.reset (new AUPlugin (session.engine(), session, comp));
- }
+ AURenderCallbackStruct renderCallbackInfo;
- plugin->set_info(PluginInfoPtr(new AUPluginInfo(*this)));
- return plugin;
+ renderCallbackInfo.inputProc = _render_callback;
+ renderCallbackInfo.inputProcRefCon = this;
+
+ DEBUG_TRACE (DEBUG::AudioUnits, "set render callback in input scope\n");
+ if ((err = unit->SetProperty (kAudioUnitProperty_SetRenderCallback, kAudioUnitScope_Input,
+ 0, (void*) &renderCallbackInfo, sizeof(renderCallbackInfo))) != 0) {
+ error << string_compose (_("cannot install render callback (err = %1)"), err) << endmsg;
+ throw failed_constructor();
+ }
}
- catch (failed_constructor &err) {
- return PluginPtr ((Plugin*) 0);
+ /* 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
+ DEBUG_TRACE (DEBUG::AudioUnits, "set host callbacks in global scope\n");
+ unit->SetProperty (kAudioUnitProperty_HostCallbacks,
+ kAudioUnitScope_Global,
+ 0, //elementID
+ &info,
+ sizeof (HostCallbackInfo));
+
+ if (set_block_size (_session.get_block_size())) {
+ error << _("AUPlugin: cannot set processing block size") << endmsg;
+ throw failed_constructor();
}
+
+ create_parameter_listener (AUPlugin::_parameter_change_listener, this, 0.05);
+ discover_parameters ();
+ discover_factory_presets ();
+
+ // Plugin::setup_controls ();
}
-PluginInfoList
-AUPluginInfo::discover ()
+void
+AUPlugin::discover_parameters ()
{
- PluginInfoList plugs;
+ /* discover writable parameters */
- CAComponentDescription desc;
- desc.componentFlags = 0;
- desc.componentFlagsMask = 0;
- desc.componentSubType = 0;
- desc.componentManufacturer = 0;
- desc.componentType = kAudioUnitType_Effect;
+ AudioUnitScope scopes[] = {
+ kAudioUnitScope_Global,
+ kAudioUnitScope_Output,
+ kAudioUnitScope_Input
+ };
- Component comp = 0;
+ descriptors.clear ();
- 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 = PluginInfo::AudioUnit;
- plug->n_inputs = 0;
- plug->n_outputs = 0;
- plug->category = "AudioUnit";
- plug->desc = new CAComponentDescription(temp);
-
- plugs.push_back(plug);
-
- comp = FindNextComponent (comp, &desc);
- }
+ for (uint32_t i = 0; i < sizeof (scopes) / sizeof (scopes[0]); ++i) {
- return plugs;
-}
+ AUParamInfo param_info (unit->AU(), false, false, scopes[i]);
-string
-AUPluginInfo::get_name (CAComponentDescription& comp_desc)
-{
- CFStringRef itemName = NULL;
- // Marc Poirier -style item name
- CAComponent auComponent (comp_desc);
- if (auComponent.IsValid()) {
- CAComponentDescription dummydesc;
- Handle nameHandle = NewHandle(sizeof(void*));
- if (nameHandle != NULL) {
- OSErr err = GetComponentInfo(auComponent.Comp(), &dummydesc, nameHandle, NULL, NULL);
- if (err == noErr) {
- ConstStr255Param nameString = (ConstStr255Param) (*nameHandle);
- if (nameString != NULL) {
- itemName = CFStringCreateWithPascalString(kCFAllocatorDefault, nameString, CFStringGetSystemEncoding());
- }
+ 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;
}
- DisposeHandle(nameHandle);
+
+ 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);
+
+ uint32_t last_param = descriptors.size() - 1;
+ parameter_map.insert (pair<uint32_t,uint32_t> (d.id, last_param));
+ listen_to_parameter (last_param);
}
}
-
- // if Marc-style fails, do the original way
- if (itemName == NULL) {
- CFStringRef compTypeString = UTCreateStringForOSType(comp_desc.componentType);
- CFStringRef compSubTypeString = UTCreateStringForOSType(comp_desc.componentSubType);
+}
+
+
+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]);
+}
+
+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 */
+
+ 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 */
+ 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::unique_id () const
+{
+ return AUPluginInfo::stringify_descriptor (comp->Desc());
+}
+
+const char *
+AUPlugin::label () const
+{
+ return _info->name.c_str();
+}
+
+uint32_t
+AUPlugin::parameter_count () const
+{
+ return descriptors.size();
+}
+
+float
+AUPlugin::default_value (uint32_t port)
+{
+ if (port < descriptors.size()) {
+ return descriptors[port].default_value;
+ }
+
+ return 0;
+}
+
+framecnt_t
+AUPlugin::signal_latency () const
+{
+ return unit->Latency() * _session.frame_rate();
+}
+
+void
+AUPlugin::set_parameter (uint32_t which, float val)
+{
+ if (which >= descriptors.size()) {
+ return;
+ }
+
+ const AUParameterDescriptor& d (descriptors[which]);
+ DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("set parameter %1 in scope %2 element %3 to %4\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;
+
+ DEBUG_TRACE (DEBUG::AudioUnits, "notify about parameter change\n");
+ AUEventListenerNotify (NULL, NULL, &theEvent);
+
+ Plugin::set_parameter (which, val);
+}
+
+float
+AUPlugin::get_parameter (uint32_t which) const
+{
+ float val = 0.0;
+ if (which < descriptors.size()) {
+ const AUParameterDescriptor& d (descriptors[which]);
+ // DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("get value of parameter %1 in scope %2 element %3\n", d.id, d.scope, d.element));
+ unit->GetParameter(d.id, d.scope, d.element, val);
+ }
+ return val;
+}
+
+int
+AUPlugin::get_parameter_descriptor (uint32_t which, ParameterDescriptor& pd) const
+{
+ if (which < descriptors.size()) {
+ pd = descriptors[which];
+ return 0;
+ }
+ return -1;
+}
+
+uint32_t
+AUPlugin::nth_parameter (uint32_t which, bool& ok) const
+{
+ if (which < descriptors.size()) {
+ ok = true;
+ return which;
+ }
+ ok = false;
+ return 0;
+}
+
+void
+AUPlugin::activate ()
+{
+ if (!initialized) {
+ OSErr err;
+ DEBUG_TRACE (DEBUG::AudioUnits, "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;
+ }
+ }
+}
+
+void
+AUPlugin::deactivate ()
+{
+ DEBUG_TRACE (DEBUG::AudioUnits, "call Uninitialize in deactivate()\n");
+ unit->Uninitialize ();
+ initialized = false;
+}
+
+void
+AUPlugin::flush ()
+{
+ DEBUG_TRACE (DEBUG::AudioUnits, "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 ();
+ }
+
+ DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("set MaximumFramesPerSlice in global scope to %1\n", numFrames));
+ if ((err = unit->SetProperty (kAudioUnitProperty_MaximumFramesPerSlice, kAudioUnitScope_Global,
+ 0, &numFrames, sizeof (numFrames))) != noErr) {
+ error << string_compose (_("AU: cannot set max frames (err = %1)"), err) << endmsg;
+ 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();
+
+ DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("configure %1 for %2 in %3 out\n", name(), in, out));
+
+ 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;
+ }
+
+ /* reset plugin info to show currently configured state */
+
+ _info->n_inputs = in;
+ _info->n_outputs = out;
+
+ if (was_initialized) {
+ activate ();
+ }
+
+ return 0;
+}
+
+ChanCount
+AUPlugin::input_streams() const
+{
+ ChanCount c;
+
+ c.set (DataType::AUDIO, 1);
+ c.set (DataType::MIDI, 0);
+
+ if (input_channels < 0) {
+ warning << string_compose (_("AUPlugin: %1 input_streams() called without any format set!"), name()) << endmsg;
+ } else {
+ c.set (DataType::AUDIO, input_channels);
+ c.set (DataType::MIDI, _has_midi_input ? 1 : 0);
+ }
+
+ return c;
+}
+
+
+ChanCount
+AUPlugin::output_streams() const
+{
+ ChanCount c;
+
+ c.set (DataType::AUDIO, 1);
+ c.set (DataType::MIDI, 0);
+
+ if (output_channels < 0) {
+ warning << string_compose (_("AUPlugin: %1 output_streams() called without any format set!"), name()) << endmsg;
+ } else {
+ c.set (DataType::AUDIO, output_channels);
+ c.set (DataType::MIDI, _has_midi_output ? 1 : 0);
+ }
+
+ return c;
+}
+
+bool
+AUPlugin::can_support_io_configuration (const ChanCount& in, ChanCount& out) const
+{
+ // Note: We never attempt to multiply-instantiate plugins to meet io configurations.
+
+ int32_t audio_in = in.n_audio();
+ int32_t audio_out;
+ bool found = false;
+ AUPluginInfoPtr pinfo = boost::dynamic_pointer_cast<AUPluginInfo>(get_info());
+
+ /* lets check MIDI first */
+
+ if (in.n_midi() > 0) {
+ if (!_has_midi_input) {
+ return false;
+ }
+ }
+
+ vector<pair<int,int> >& io_configs = pinfo->cache.io_configs;
+
+ DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1 has %2 IO configurations, looking for %3 in, %4 out\n",
+ name(), io_configs.size(), in, out));
+
+ //Ardour expects the plugin to tell it the output
+ //configuration but AU plugins can have multiple I/O
+ //configurations in most cases. so first lets see
+ //if there's a configuration that keeps out==in
+
+ audio_out = audio_in;
+
+ for (vector<pair<int,int> >::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)) {
+ DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("\tCHOSEN: %1 in %2 out to match in %3 out %4\n",
+ possible_in, possible_out,
+ in, out));
+
+ out.set (DataType::MIDI, 0);
+ out.set (DataType::AUDIO, audio_out);
+
+ return 1;
+ }
+ }
+
+ /* now allow potentially "imprecise" matches */
+
+ audio_out = -1;
+
+ for (vector<pair<int,int> >::iterator i = io_configs.begin(); i != io_configs.end(); ++i) {
+
+ int32_t possible_in = i->first;
+ int32_t possible_out = i->second;
+
+ DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("\tpossible in %1 possible out %2\n", possible_in, possible_out));
+
+ if (possible_out == 0) {
+ warning << string_compose (_("AU %1 has zero outputs - configuration ignored"), name()) << endmsg;
+ /* XXX surely this is just a send? (e.g. AUNetSend) */
+ continue;
+ }
+
+ if (possible_in == 0) {
+
+ /* instrument plugin, always legal but throws away inputs ...
+ */
+
+ if (possible_out == -1) {
+ /* any configuration possible, provide stereo output */
+ audio_out = 2;
+ found = true;
+ } else if (possible_out == -2) {
+ /* plugins shouldn't really use (0,-2) but might.
+ any configuration possible, provide stereo output
+ */
+ audio_out = 2;
+ found = true;
+ } else if (possible_out < -2) {
+ /* explicitly variable number of outputs.
+
+ Since Ardour can handle any configuration,
+ we have to somehow pick a number.
+
+ We'll use the number of inputs
+ to the master bus, or 2 if there
+ is no master bus.
+ */
+ boost::shared_ptr<Route> master = _session.master_out();
+ if (master) {
+ audio_out = master->input()->n_ports().n_audio();
+ } else {
+ audio_out = 2;
+ }
+ found = true;
+ } else {
+ /* exact number of outputs */
+ audio_out = possible_out;
+ found = true;
+ }
+ }
+
+ if (possible_in == -1) {
+
+ /* wildcard for input */
+
+ if (possible_out == -1) {
+ /* out much match in */
+ audio_out = audio_in;
+ found = true;
+ } else if (possible_out == -2) {
+ /* any configuration possible, pick matching */
+ audio_out = audio_in;
+ found = true;
+ } else if (possible_out < -2) {
+ /* explicitly variable number of outputs, pick maximum */
+ audio_out = -possible_out;
+ found = true;
+ } else {
+ /* exact number of outputs */
+ audio_out = possible_out;
+ found = true;
+ }
+ }
+
+ if (possible_in == -2) {
+
+ if (possible_out == -1) {
+ /* any configuration possible, pick matching */
+ audio_out = audio_in;
+ found = true;
+ } else if (possible_out == -2) {
+ /* plugins shouldn't really use (-2,-2) but might.
+ interpret as (-1,-1).
+ */
+ audio_out = audio_in;
+ found = true;
+ } else if (possible_out < -2) {
+ /* explicitly variable number of outputs, pick maximum */
+ audio_out = -possible_out;
+ found = true;
+ } else {
+ /* exact number of outputs */
+ audio_out = possible_out;
+ found = true;
+ }
+ }
+
+ if (possible_in < -2) {
+
+ /* explicit variable number of inputs */
+
+ if (audio_in > -possible_in) {
+ /* request is too large */
+ }
+
+
+ if (possible_out == -1) {
+ /* any output configuration possible, provide stereo out */
+ audio_out = 2;
+ found = true;
+ } else if (possible_out == -2) {
+ /* plugins shouldn't really use (<-2,-2) but might.
+ interpret as (<-2,-1): any configuration possible, provide stereo output
+ */
+ audio_out = 2;
+ found = true;
+ } else if (possible_out < -2) {
+ /* explicitly variable number of outputs.
+
+ Since Ardour can handle any configuration,
+ we have to somehow pick a number.
+
+ We'll use the number of inputs
+ to the master bus, or 2 if there
+ is no master bus.
+ */
+ boost::shared_ptr<Route> master = _session.master_out();
+ if (master) {
+ audio_out = master->input()->n_ports().n_audio();
+ } else {
+ audio_out = 2;
+ }
+ found = true;
+ } else {
+ /* exact number of outputs */
+ audio_out = possible_out;
+ found = true;
+ }
+ }
+
+ if (possible_in && (possible_in == audio_in)) {
+
+ /* exact number of inputs ... must match obviously */
+
+ if (possible_out == -1) {
+ /* any output configuration possible, provide stereo output */
+ audio_out = 2;
+ found = true;
+ } else if (possible_out == -2) {
+ /* plugins shouldn't really use (>0,-2) but might.
+ interpret as (>0,-1):
+ any output configuration possible, provide stereo output
+ */
+ audio_out = 2;
+ found = true;
+ } else if (possible_out < -2) {
+ /* explicitly variable number of outputs, pick maximum */
+ audio_out = -possible_out;
+ found = true;
+ } else {
+ /* exact number of outputs */
+ audio_out = possible_out;
+ found = true;
+ }
+ }
+
+ if (found) {
+ break;
+ }
+
+ }
+
+ if (found) {
+ DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("\tCHOSEN: in %1 out %2\n", in, out));
+ } else {
+ DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("\tFAIL: no io configs match %1\n", in));
+ return false;
+ }
+
+ out.set (DataType::MIDI, 0);
+ out.set (DataType::AUDIO, audio_out);
+
+ return true;
+}
+
+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));
+
+ return 0;
+}
+
+int
+AUPlugin::set_stream_format (int scope, uint32_t cnt, AudioStreamBasicDescription& fmt)
+{
+ OSErr result;
+
+ for (uint32_t i = 0; i < cnt; ++i) {
+ DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("set stream format for %1, scope = %2 element %3\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)
+{
+ /* not much to do with audio - the data is already in the buffers given to us in connect_and_run() */
+
+ DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1: render callback, frames %2 bufs %3\n",
+ name(), inNumberFrames, ioData->mNumberBuffers));
+
+ if (input_maxbuf == 0) {
+ error << _("AUPlugin: render callback called illegally!") << endmsg;
+ return kAudioUnitErr_CannotDoInCurrentContext;
+ }
+ uint32_t limit = min ((uint32_t) ioData->mNumberBuffers, input_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 = input_buffers->get_audio (i).data (cb_offset + input_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;
+
+ if (requires_fixed_size_buffers() && (nframes != _last_nframes)) {
+ unit->GlobalReset();
+ _last_nframes = nframes;
+ }
+
+ DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1 in %2 out %3 MIDI %4 bufs %5 (available %6)\n",
+ name(), input_channels, output_channels, _has_midi_input,
+ bufs.count(), bufs.available()));
+
+ /* the apparent number of buffers matches our input configuration, but we know that the bufferset
+ has the capacity to handle our outputs.
+ */
+
+ assert (bufs.available() >= ChanCount (DataType::AUDIO, output_channels));
+
+ input_buffers = &bufs;
+ input_maxbuf = bufs.count().n_audio(); // number of input audio buffers
+ input_offset = offset;
+ cb_offset = 0;
+
+ buffers->mNumberBuffers = output_channels;
+
+ for (int32_t i = 0; i < output_channels; ++i) {
+ buffers->mBuffers[i].mNumberChannels = 1;
+ buffers->mBuffers[i].mDataByteSize = nframes * sizeof (Sample);
+ /* setting this to 0 indicates to the AU that it can provide buffers here
+ if necessary. if it can process in-place, it will use the buffers provided
+ as input by ::render_callback() above.
+
+ a non-null values tells the plugin to render into the buffer pointed
+ at by the value.
+ */
+ buffers->mBuffers[i].mData = 0;
+ }
+
+ if (_has_midi_input) {
+
+ uint32_t nmidi = bufs.count().n_midi();
+
+ for (uint32_t i = 0; i < nmidi; ++i) {
+
+ /* one MIDI port/buffer only */
+
+ MidiBuffer& m = bufs.get_midi (i);
+
+ for (MidiBuffer::iterator i = m.begin(); i != m.end(); ++i) {
+ Evoral::MIDIEvent<framepos_t> ev (*i);
+
+ if (ev.is_channel_event()) {
+ const uint8_t* b = ev.buffer();
+ DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1: MIDI event %2\n", name(), ev));
+ unit->MIDIEvent (b[0], b[1], b[2], ev.time());
+ }
+
+ /* XXX need to handle sysex and other message types */
+ }
+ }
+ }
+
+ /* does this really mean anything ?
+ */
+
+ ts.mSampleTime = frames_processed;
+ ts.mFlags = kAudioTimeStampSampleTimeValid;
+
+ DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1 render flags=%2 time=%3 nframes=%4 buffers=%5\n",
+ name(), flags, frames_processed, nframes, buffers->mNumberBuffers));
+
+ if ((err = unit->Render (&flags, &ts, 0, nframes, buffers)) == noErr) {
+
+ input_maxbuf = 0;
+ frames_processed += nframes;
+
+ DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1 rendered %2 buffers of %3\n",
+ name(), buffers->mNumberBuffers, output_channels));
+
+ int32_t limit = min ((int32_t) buffers->mNumberBuffers, output_channels);
+ int32_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) {
+ /* plugin provided its own buffer for output so copy it back to where we want it
+ */
+ 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 < output_channels; ++i) {
+ memset (bufs.get_audio (i).data (offset), 0, nframes * sizeof (Sample));
+ }
+
+ return 0;
+ }
+
+ error << string_compose (_("AU: render error for %1, status = %2"), name(), err) << endmsg;
+ return -1;
+}
+
+OSStatus
+AUPlugin::get_beat_and_tempo_callback (Float64* outCurrentBeat,
+ Float64* outCurrentTempo)
+{
+ TempoMap& tmap (_session.tempo_map());
+
+ DEBUG_TRACE (DEBUG::AudioUnits, "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() + input_offset);
+ tmap.bbt_time (_session.transport_frame() + input_offset, bbt);
+
+ if (outCurrentBeat) {
+ float beat;
+ beat = metric.meter().divisions_per_bar() * bbt.bars;
+ beat += bbt.beats;
+ beat += bbt.ticks / Timecode::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());
+
+ DEBUG_TRACE (DEBUG::AudioUnits, "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() + input_offset);
+ tmap.bbt_time (_session.transport_frame() + input_offset, bbt);
+
+ if (outDeltaSampleOffsetToNextBeat) {
+ if (bbt.ticks == 0) {
+ /* on the beat */
+ *outDeltaSampleOffsetToNextBeat = 0;
+ } else {
+ *outDeltaSampleOffsetToNextBeat = (UInt32)
+ floor (((Timecode::BBT_Time::ticks_per_beat - bbt.ticks)/Timecode::BBT_Time::ticks_per_beat) * // fraction of a beat to next beat
+ metric.tempo().frames_per_beat (_session.frame_rate())); // frames per beat
+ }
+ }
+
+ if (outTimeSig_Numerator) {
+ *outTimeSig_Numerator = (UInt32) lrintf (metric.meter().divisions_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 + divisions_per_bar
+ 3|1|0 -> 1 + (2 * divisions_per_bar)
+ etc.
+ */
+
+ *outCurrentMeasureDownBeat = 1 + metric.meter().divisions_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;
+
+ DEBUG_TRACE (DEBUG::AudioUnits, "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 input_offset is valid.
+ */
+ *outCurrentSampleInTimeLine = _session.transport_frame() + input_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() + input_offset);
+ _session.tempo_map().bbt_time (loc->start(), bbt);
+
+ float beat;
+ beat = metric.meter().divisions_per_bar() * bbt.bars;
+ beat += bbt.beats;
+ beat += bbt.ticks / Timecode::BBT_Time::ticks_per_beat;
+
+ *outCycleStartBeat = beat;
+ }
+
+ if (outCycleEndBeat) {
+ TempoMetric metric = tmap.metric_at (loc->end() + input_offset);
+ _session.tempo_map().bbt_time (loc->end(), bbt);
+
+ float beat;
+ beat = metric.meter().divisions_per_bar() * bbt.bars;
+ beat += bbt.beats;
+ beat += bbt.ticks / Timecode::BBT_Time::ticks_per_beat;
+
+ *outCycleEndBeat = beat;
+ }
+ }
+ }
+ }
+
+ last_transport_rolling = rolling;
+ last_transport_speed = speed;
+
+ return noErr;
+}
+
+set<Evoral::Parameter>
+AUPlugin::automatable() const
+{
+ set<Evoral::Parameter> 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) const
+{
+ LocaleGuard lg (X_("POSIX"));
+
+#ifdef AU_STATE_SUPPORT
+ CFDataRef xmlData;
+ CFPropertyListRef propertyList;
+
+ DEBUG_TRACE (DEBUG::AudioUnits, "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;
+ }
+
+ /* 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) {
+ DEBUG_TRACE (DEBUG::AudioUnits, "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 (PresetRecord 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 (r.label)) != user_preset_map.end()) {
+
+ if ((propertyList = load_property_list (ux->second)) != 0) {
+ DEBUG_TRACE (DEBUG::AudioUnits, "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 (r.label)) != factory_preset_map.end()) {
+
+ AUPreset preset;
+
+ preset.presetNumber = fx->second;
+ preset.presetName = CFStringCreateWithCString (kCFAllocatorDefault, fx->first.c_str(), kCFStringEncodingUTF8);
+
+ DEBUG_TRACE (DEBUG::AudioUnits, "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
+}
+
+void
+AUPlugin::do_remove_preset (std::string)
+{
+}
+
+string
+AUPlugin::do_save_preset (string preset_name)
+{
+#ifdef AU_STATE_SUPPORT
+ CFPropertyListRef propertyList;
+ vector<Glib::ustring> 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;
+ }
+
+ DEBUG_TRACE (DEBUG::AudioUnits, "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 string ("file:///") + user_preset_path;
+#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 string();
+#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 "<manufacturer>/<plugin-name>" 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;
+
+ DEBUG_TRACE (DEBUG::AudioUnits, "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<string*>* 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<string*>::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<string> with the names we have */
+
+ for (UserPresetMap::iterator i = user_preset_map.begin(); i != user_preset_map.end(); ++i) {
+ _presets.insert (make_pair (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.insert (make_pair (uri, Plugin::PresetRecord (uri, i->first, i->second)));
+ }
+
+#endif
+}
+
+bool
+AUPlugin::has_editor () const
+{
+ // 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<CAComponentDescription> d)
+ : descriptor (d)
+{
+ type = ARDOUR::AudioUnit;
+}
+
+AUPluginInfo::~AUPluginInfo ()
+{
+ type = ARDOUR::AudioUnit;
+}
+
+PluginPtr
+AUPluginInfo::load (Session& session)
+{
+ try {
+ PluginPtr plugin;
+
+ DEBUG_TRACE (DEBUG::AudioUnits, "load AU as a component\n");
+ boost::shared_ptr<CAComponent> comp (new CAComponent(*descriptor));
+
+ if (!comp->IsValid()) {
+ error << ("AudioUnit: not a valid Component") << endmsg;
+ } else {
+ plugin.reset (new AUPlugin (session.engine(), session, comp));
+ }
+
+ AUPluginInfo *aup = new AUPluginInfo (*this);
+ DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("plugin info for %1 = %2\n", this, aup));
+ plugin->set_info (PluginInfoPtr (aup));
+ boost::dynamic_pointer_cast<AUPlugin> (plugin)->set_fixed_size_buffers (aup->creator == "Universal Audio");
+ return plugin;
+ }
+
+ catch (failed_constructor &err) {
+ DEBUG_TRACE (DEBUG::AudioUnits, "failed to load component/plugin\n");
+ return PluginPtr ();
+ }
+}
+
+Glib::ustring
+AUPluginInfo::au_cache_path ()
+{
+ return Glib::build_filename (ARDOUR::user_config_directory(), "au_cache");
+}
+
+PluginInfoList*
+AUPluginInfo::discover ()
+{
+ 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);
+
+ DEBUG_TRACE (DEBUG::PluginManager, string_compose ("AU: discovered %1 plugins\n", plugs->size()));
+
+ 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;
+ desc.componentSubType = 0;
+ 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 info (new AUPluginInfo
+ (boost::shared_ptr<CAComponentDescription> (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.
+
+ for now, if the plugin provides a wildcard, treat it as 1. we really
+ don't care much, because whether we can handle an i/o configuration
+ depends upon ::can_support_io_configuration(), not these counts.
+
+ they exist because other parts of ardour try to present i/o configuration
+ info to the user, which should perhaps be revisited.
+ */
+
+ int32_t possible_in = info->cache.io_configs.front().first;
+ int32_t possible_out = info->cache.io_configs.front().second;
+
+ if (possible_in > 0) {
+ info->n_inputs.set (DataType::AUDIO, possible_in);
+ } else {
+ info->n_inputs.set (DataType::AUDIO, 1);
+ }
+
+ if (possible_out > 0) {
+ info->n_outputs.set (DataType::AUDIO, possible_out);
+ } else {
+ info->n_outputs.set (DataType::AUDIO, 1);
+ }
+
+ DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("detected AU %1 with %2 i/o configurations - %3\n",
+ info->name.c_str(), info->cache.io_configs.size(), info->unique_id));
+
+ plugs.push_back (info);
+
+ } else {
+ error << string_compose (_("Cannot get I/O configuration info for AU %1"), info->name) << endmsg;
+ }
+
+ comp = FindNextComponent (comp, &desc);
+ }
+}
+
+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;
+ return false;
+
+ }
+
+ DEBUG_TRACE (DEBUG::AudioUnits, "get AU channel info\n");
+ if ((ret = unit.GetChannelInfo (&channel_info, cnt)) < 0) {
+ return false;
+ }
+
+ if (ret > 0) {
+
+ /* no explicit info available, so default to 1in/1out */
+
+ /* XXX this is wrong. we should be indicating wildcard values */
+
+ cinfo.io_configs.push_back (pair<int,int> (-1, -1));
+
+ } else {
+
+ /* store each configuration */
+
+ for (uint32_t n = 0; n < cnt; ++n) {
+ cinfo.io_configs.push_back (pair<int,int> (channel_info[n].inChannels,
+ channel_info[n].outChannels));
+ }
+
+ free (channel_info);
+ }
+
+ add_cached_info (id, cinfo);
+ save_cached_info ();
+
+ return true;
+}
+
+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<string,AUPluginCachedInfo>::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<pair<int, int> >::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<int,int> (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
+ CAComponent auComponent (comp_desc);
+ if (auComponent.IsValid()) {
+ CAComponentDescription dummydesc;
+ Handle nameHandle = NewHandle(sizeof(void*));
+ if (nameHandle != NULL) {
+ OSErr err = GetComponentInfo(auComponent.Comp(), &dummydesc, nameHandle, NULL, NULL);
+ if (err == noErr) {
+ ConstStr255Param nameString = (ConstStr255Param) (*nameHandle);
+ if (nameString != NULL) {
+ itemName = CFStringCreateWithPascalString(kCFAllocatorDefault, nameString, CFStringGetSystemEncoding());
+ }
+ }
+ 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)
if (compManufacturerString != NULL)
CFRelease(compManufacturerString);
}
+
+ 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 {
+ 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();
+}
+
+void
+AUPlugin::set_info (PluginInfoPtr info)
+{
+ Plugin::set_info (info);
- return CFStringRefToStdString(itemName);
+ AUPluginInfoPtr pinfo = boost::dynamic_pointer_cast<AUPluginInfo>(get_info());
+ _has_midi_input = pinfo->needs_midi_input ();
+ _has_midi_output = false;
+}
+
+int
+AUPlugin::create_parameter_listener (AUEventListenerProc cb, void* arg, float interval_secs)
+{
+#ifdef WITH_CARBON
+ CFRunLoopRef run_loop = (CFRunLoopRef) GetCFRunLoopFromEventLoop(GetCurrentEventLoop());
+#else
+ CFRunLoopRef run_loop = CFRunLoopGetCurrent();
+#endif
+ CFStringRef loop_mode = kCFRunLoopDefaultMode;
+
+ if (AUEventListenerCreate (cb, arg, run_loop, loop_mode, interval_secs, interval_secs, &_parameter_listener) != noErr) {
+ return -1;
+ }
+
+ _parameter_listener_arg = arg;
+
+ return 0;
+}
+
+int
+AUPlugin::listen_to_parameter (uint32_t param_id)
+{
+ AudioUnitEvent event;
+
+ if (!_parameter_listener || param_id >= descriptors.size()) {
+ return -2;
+ }
+
+ event.mEventType = kAudioUnitEvent_ParameterValueChange;
+ event.mArgument.mParameter.mAudioUnit = unit->AU();
+ event.mArgument.mParameter.mParameterID = descriptors[param_id].id;
+ event.mArgument.mParameter.mScope = descriptors[param_id].scope;
+ event.mArgument.mParameter.mElement = descriptors[param_id].element;
+
+ if (AUEventListenerAddEventType (_parameter_listener, _parameter_listener_arg, &event) != noErr) {
+ return -1;
+ }
+
+ event.mEventType = kAudioUnitEvent_BeginParameterChangeGesture;
+ event.mArgument.mParameter.mAudioUnit = unit->AU();
+ event.mArgument.mParameter.mParameterID = descriptors[param_id].id;
+ event.mArgument.mParameter.mScope = descriptors[param_id].scope;
+ event.mArgument.mParameter.mElement = descriptors[param_id].element;
+
+ if (AUEventListenerAddEventType (_parameter_listener, _parameter_listener_arg, &event) != noErr) {
+ return -1;
+ }
+
+ event.mEventType = kAudioUnitEvent_EndParameterChangeGesture;
+ event.mArgument.mParameter.mAudioUnit = unit->AU();
+ event.mArgument.mParameter.mParameterID = descriptors[param_id].id;
+ event.mArgument.mParameter.mScope = descriptors[param_id].scope;
+ event.mArgument.mParameter.mElement = descriptors[param_id].element;
+
+ if (AUEventListenerAddEventType (_parameter_listener, _parameter_listener_arg, &event) != noErr) {
+ return -1;
+ }
+
+ return 0;
+}
+
+int
+AUPlugin::end_listen_to_parameter (uint32_t param_id)
+{
+ AudioUnitEvent event;
+
+ if (!_parameter_listener || param_id >= descriptors.size()) {
+ return -2;
+ }
+
+ event.mEventType = kAudioUnitEvent_ParameterValueChange;
+ event.mArgument.mParameter.mAudioUnit = unit->AU();
+ event.mArgument.mParameter.mParameterID = descriptors[param_id].id;
+ event.mArgument.mParameter.mScope = descriptors[param_id].scope;
+ event.mArgument.mParameter.mElement = descriptors[param_id].element;
+
+ if (AUEventListenerRemoveEventType (_parameter_listener, _parameter_listener_arg, &event) != noErr) {
+ return -1;
+ }
+
+ event.mEventType = kAudioUnitEvent_BeginParameterChangeGesture;
+ event.mArgument.mParameter.mAudioUnit = unit->AU();
+ event.mArgument.mParameter.mParameterID = descriptors[param_id].id;
+ event.mArgument.mParameter.mScope = descriptors[param_id].scope;
+ event.mArgument.mParameter.mElement = descriptors[param_id].element;
+
+ if (AUEventListenerRemoveEventType (_parameter_listener, _parameter_listener_arg, &event) != noErr) {
+ return -1;
+ }
+
+ event.mEventType = kAudioUnitEvent_EndParameterChangeGesture;
+ event.mArgument.mParameter.mAudioUnit = unit->AU();
+ event.mArgument.mParameter.mParameterID = descriptors[param_id].id;
+ event.mArgument.mParameter.mScope = descriptors[param_id].scope;
+ event.mArgument.mParameter.mElement = descriptors[param_id].element;
+
+ if (AUEventListenerRemoveEventType (_parameter_listener, _parameter_listener_arg, &event) != noErr) {
+ return -1;
+ }
+
+ return 0;
+}
+
+void
+AUPlugin::_parameter_change_listener (void* arg, void* src, const AudioUnitEvent* event, UInt64 host_time, Float32 new_value)
+{
+ ((AUPlugin*) arg)->parameter_change_listener (arg, src, event, host_time, new_value);
+}
+
+void
+AUPlugin::parameter_change_listener (void* /*arg*/, void* /*src*/, const AudioUnitEvent* event, UInt64 /*host_time*/, Float32 new_value)
+{
+ ParameterMap::iterator i;
+
+ if ((i = parameter_map.find (event->mArgument.mParameter.mParameterID)) == parameter_map.end()) {
+ return;
+ }
+
+ switch (event->mEventType) {
+ case kAudioUnitEvent_BeginParameterChangeGesture:
+ StartTouch (i->second);
+ break;
+ case kAudioUnitEvent_EndParameterChangeGesture:
+ EndTouch (i->second);
+ break;
+ case kAudioUnitEvent_ParameterValueChange:
+ ParameterChanged (i->second, new_value);
+ break;
+ default:
+ break;
+ }
}
projects / ardour.git / blobdiff