/*
Copyright (C) 2006 Paul Davis
- Written by Taybin Rutkin
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
*/
-#include <pbd/transmitter.h>
-#include <pbd/xml++.h>
+#include <sstream>
+#include <errno.h>
+#include <string.h>
-#include <ardour/audioengine.h>
-#include <ardour/audio_unit.h>
-#include <ardour/session.h>
-#include <ardour/utils.h>
+#include "pbd/transmitter.h"
+#include "pbd/xml++.h"
+#include "pbd/whitespace.h"
+#include "pbd/pathscanner.h"
+
+#include <glibmm/thread.h>
+#include <glibmm/fileutils.h>
+#include <glibmm/miscutils.h>
+
+#include "ardour/ardour.h"
+#include "ardour/audioengine.h"
+#include "ardour/io.h"
+#include "ardour/audio_unit.h"
+#include "ardour/session.h"
+#include "ardour/utils.h"
#include <appleutility/CAAudioUnit.h>
+#include <appleutility/CAAUParameter.h>
+#include <CoreFoundation/CoreFoundation.h>
#include <CoreServices/CoreServices.h>
-#include <AudioUnit/AudioUnit.h>
#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
+
+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)
+{
+ return ((AUPlugin*)userData)->render_callback (ioActionFlags, inTimeStamp, inBusNumber, inNumberFrames, ioData);
}
-AUPlugin::~AUPlugin ()
+static int
+save_property_list (CFPropertyListRef propertyList, Glib::ustring path)
+
{
- if (unit) {
- unit->Uninitialize ();
- delete unit;
- }
+ CFDataRef xmlData;
+ int fd;
+
+ // Convert the property list into XML data.
- if (comp) {
- delete comp;
+ xmlData = CFPropertyListCreateXMLData( kCFAllocatorDefault, propertyList);
+
+ if (!xmlData) {
+ error << _("Could not create XML version of property list") << endmsg;
+ return -1;
}
-}
-AUPluginInfo::~AUPluginInfo ()
-{
- if (desc) {
- delete desc;
+ // 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) {
+ /* tell any UI's that this file already exists and ask them what to do */
+ bool overwrite = Plugin::PresetFileExists(); // EMIT SIGNAL
+ if (overwrite) {
+ fd = open (path.c_str(), O_WRONLY, 0664);
+ continue;
+ } else {
+ return 0;
+ }
+ }
+ error << string_compose (_("Cannot open preset file %1 (%2)"), path, strerror (errno)) << endmsg;
+ CFRelease (xmlData);
+ return -1;
}
-}
-uint32_t
-AUPlugin::unique_id () const
-{
+ size_t cnt = CFDataGetLength (xmlData);
+
+ if (write (fd, CFDataGetBytePtr (xmlData), cnt) != 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;
+ CFDataRef xmlData;
+ CFStringRef errorString;
-const char *
-AUPlugin::maker () const
-{
- return "AUplugin maker";
-}
+ // Read the XML file.
+
+ if ((fd = open (path.c_str(), O_RDONLY)) < 0) {
+ return propertyList;
-uint32_t
-AUPlugin::parameter_count () const
-{
- return 0;
+ }
+
+ 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;
}
-float
-AUPlugin::default_value (uint32_t port)
+//-----------------------------------------------------------------------------
+static void
+set_preset_name_in_plist (CFPropertyListRef plist, string preset_name)
{
- // AudioUnits don't have default values. Maybe presets though?
- return 0;
+ if (!plist) {
+ return;
+ }
+ CFStringRef pn = CFStringCreateWithCString (kCFAllocatorDefault, preset_name.c_str(), kCFStringEncodingUTF8);
+
+ if (CFGetTypeID (plist) == CFDictionaryGetTypeID()) {
+ CFDictionarySetValue ((CFMutableDictionaryRef)plist, CFSTR(kAUPresetNameKey), pn);
+ }
+
+ CFRelease (pn);
}
-jack_nframes_t
-AUPlugin::latency () const
+//-----------------------------------------------------------------------------
+static std::string
+get_preset_name_in_plist (CFPropertyListRef plist)
{
- return unit->Latency ();
+ 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;
}
-void
-AUPlugin::set_parameter (uint32_t which, float val)
+//--------------------------------------------------------------------------
+// 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)
{
- unit->SetParameter (parameter_map[which].first, parameter_map[which].second, 0, val);
+ 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;
}
-float
-AUPlugin::get_parameter (uint32_t which) 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)
{
- float outValue = 0.0;
-
- unit->GetParameter(parameter_map[which].first, parameter_map[which].second, 0, outValue);
-
- return outValue;
+ 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);
}
-int
-AUPlugin::get_parameter_descriptor (uint32_t which, ParameterDescriptor&) const
+//--------------------------------------------------------------------------
+// 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)
{
- return -1;
+ return ComponentDescriptionsMatch_General(inComponentDescription1, inComponentDescription2, FALSE);
}
-uint32_t
-AUPlugin::nth_parameter (uint32_t which, bool& ok) const
+//--------------------------------------------------------------------------
+// determine if 2 ComponentDescriptions have matching sub-type and manufacturer codes
+Boolean ComponentDescriptionsMatch_Loose(const ComponentDescription * inComponentDescription1, const ComponentDescription * inComponentDescription2)
{
- return 0;
+ return ComponentDescriptionsMatch_General(inComponentDescription1, inComponentDescription2, TRUE);
}
-void
-AUPlugin::activate ()
+//--------------------------------------------------------------------------
+// determine if a ComponentDescription basically matches that of a particular Component
+Boolean ComponentAndDescriptionMatch(Component inComponent, const ComponentDescription * inComponentDescription)
{
- unit->GlobalReset ();
+ return ComponentAndDescriptionMatch_General(inComponent, inComponentDescription, FALSE);
}
-void
-AUPlugin::deactivate ()
+//--------------------------------------------------------------------------
+// determine if a ComponentDescription matches only the sub-type and manufacturer codes of a particular Component
+Boolean ComponentAndDescriptionMatch_Loosely(Component inComponent, const ComponentDescription * inComponentDescription)
{
- // not needed. GlobalReset () takes care of it.
+ return ComponentAndDescriptionMatch_General(inComponent, inComponentDescription, TRUE);
}
-void
-AUPlugin::set_block_size (jack_nframes_t nframes)
-{
-
+
+AUPlugin::AUPlugin (AudioEngine& engine, Session& session, boost::shared_ptr<CAComponent> _comp)
+ : Plugin (engine, session),
+ comp (_comp),
+ unit (new CAAudioUnit),
+ initialized (false),
+ buffers (0),
+ current_maxbuf (0),
+ current_offset (0),
+ current_buffers (0),
+ frames_processed (0)
+{
+ 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 ();
}
-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)
+AUPlugin::AUPlugin (const AUPlugin& other)
+ : Plugin (other)
+ , comp (other.get_comp())
+ , unit (new CAAudioUnit)
+ , initialized (false)
+ , buffers (0)
+ , current_maxbuf (0)
+ , current_offset (0)
+ , current_buffers (0)
+ , frames_processed (0)
+
{
- 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;
+ init ();
}
-set<uint32_t>
-AUPlugin::automatable() const
+AUPlugin::~AUPlugin ()
{
- set<uint32_t> automates;
-
- return automates;
+ if (unit) {
+ unit->Uninitialize ();
+ }
+
+ if (buffers) {
+ free (buffers);
+ }
}
+
void
-AUPlugin::store_state (ARDOUR::PluginState&)
+AUPlugin::init ()
{
+ OSErr err;
+
+ try {
+ 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 ();
+ }
+ AURenderCallbackStruct renderCallbackInfo;
+
+ renderCallbackInfo.inputProc = _render_callback;
+ renderCallbackInfo.inputProcRefCon = this;
+
+ 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();
+ }
+
+ unit->GetElementCount (kAudioUnitScope_Global, global_elements);
+ unit->GetElementCount (kAudioUnitScope_Input, input_elements);
+ unit->GetElementCount (kAudioUnitScope_Output, output_elements);
+
+ /* 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();
+ }
+
+ discover_parameters ();
+
+ Plugin::setup_controls ();
}
void
-AUPlugin::restore_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);
+ }
+ }
}
+
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
+nframes_t
+AUPlugin::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()) {
+ const AUParameterDescriptor& d (descriptors[which]);
+ unit->SetParameter (d.id, d.scope, d.element, 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]);
+ 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;
+ 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<string>
-AUPlugin::get_presets ()
+void
+AUPlugin::deactivate ()
{
- vector<string> presets;
-
- return presets;
+ unit->GlobalReset ();
}
-bool
-AUPlugin::has_editor () const
+void
+AUPlugin::set_block_size (nframes_t nframes)
{
- return false;
+ _set_block_size (nframes);
}
-PluginPtr
-AUPluginInfo::load (Session& session)
+int
+AUPlugin::_set_block_size (nframes_t nframes)
{
- try {
- PluginPtr plugin;
+ bool was_initialized = initialized;
+ UInt32 numFrames = nframes;
+ OSErr err;
- CAComponent* comp = new CAComponent(*desc);
-
- 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)));
- return plugin;
+ if (initialized) {
+ unit->Uninitialize ();
+ initialized = false;
}
- catch (failed_constructor &err) {
- return PluginPtr ((Plugin*) 0);
+ 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 ();
}
+
+ return 0;
}
-PluginInfoList
-AUPluginInfo::discover ()
+int32_t
+AUPlugin::configure_io (int32_t in, int32_t out)
{
- PluginInfoList plugs;
+ AudioStreamBasicDescription streamFormat;
- CAComponentDescription desc;
- desc.componentFlags = 0;
- desc.componentFlagsMask = 0;
- desc.componentSubType = 0;
- desc.componentManufacturer = 0;
- desc.componentType = kAudioUnitType_Effect;
+ streamFormat.mSampleRate = _session.frame_rate();
+ streamFormat.mFormatID = kAudioFormatLinearPCM;
+ streamFormat.mFormatFlags = kAudioFormatFlagIsFloat|kAudioFormatFlagIsPacked|kAudioFormatFlagIsNonInterleaved;
- Component comp = 0;
+#ifdef __LITTLE_ENDIAN__
+ /* relax */
+#else
+ streamFormat.mFormatFlags |= kAudioFormatFlagIsBigEndian;
+#endif
- 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);
- }
+ streamFormat.mBitsPerChannel = 32;
+ streamFormat.mFramesPerPacket = 1;
- return plugs;
-}
+ /* apple says that for non-interleaved data, these
+ values always refer to a single channel.
+ */
+ streamFormat.mBytesPerPacket = 4;
+ streamFormat.mBytesPerFrame = 4;
-string
-AUPluginInfo::get_name (CAComponentDescription& comp_desc)
+ streamFormat.mChannelsPerFrame = in;
+
+ if (set_input_format (streamFormat) != 0) {
+ return -1;
+ }
+
+ streamFormat.mChannelsPerFrame = out;
+
+ if (set_output_format (streamFormat) != 0) {
+ return -1;
+ }
+
+ return Plugin::configure_io (in, out);
+}
+
+int32_t
+AUPlugin::can_do (int32_t in, int32_t& out)
+{
+ // 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 plugcnt = -1;
+ AUPluginInfoPtr pinfo = boost::dynamic_pointer_cast<AUPluginInfo>(get_info());
+
+ out = -1;
+
+ vector<pair<int,int> >& io_configs = pinfo->cache.io_configs;
+
+ 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_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!!) */
+ out = in;
+ plugcnt = 1;
+ } else if (possible_out == -2) {
+ /* any configuration possible, pick matching */
+ out = in;
+ plugcnt = 1;
+ } else if (possible_out < -2) {
+ /* explicit variable number of outputs, pick maximum */
+ out = -possible_out;
+ plugcnt = 1;
+ } else {
+ /* exact number of outputs */
+ out = possible_out;
+ plugcnt = 1;
+ }
+ }
+
+ if (possible_in == -1) {
+
+ /* wildcard for input */
+
+ if (possible_out == -1) {
+ /* out much match in */
+ out = in;
+ plugcnt = 1;
+ } else if (possible_out == -2) {
+ /* any configuration possible, pick matching */
+ out = in;
+ plugcnt = 1;
+ } else if (possible_out < -2) {
+ /* explicit variable number of outputs, pick maximum */
+ out = -possible_out;
+ plugcnt = 1;
+ } else {
+ /* exact number of outputs */
+ out = possible_out;
+ plugcnt = 1;
+ }
+ }
+
+ if (possible_in == -2) {
+
+ if (possible_out == -1) {
+ /* any configuration possible, pick matching */
+ out = 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 */
+ out = -possible_out;
+ plugcnt = 1;
+ } else {
+ /* exact number of outputs */
+ out = possible_out;
+ plugcnt = 1;
+ }
+ }
+
+ if (possible_in < -2) {
+
+ /* explicit variable number of inputs */
+
+ if (in > -possible_in) {
+ /* request is too large */
+ plugcnt = -1;
+ }
+
+ if (possible_out == -1) {
+ /* out must match in */
+ out = 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 */
+ out = -possible_out;
+ plugcnt = 1;
+ } else {
+ /* exact number of outputs */
+ out = possible_out;
+ plugcnt = 1;
+ }
+ }
+
+ if (possible_in == in) {
+
+ /* exact number of inputs ... must match obviously */
+
+ if (possible_out == -1) {
+ /* out must match in */
+ out = in;
+ plugcnt = 1;
+ } else if (possible_out == -2) {
+ /* any output configuration, pick matching */
+ out = in;
+ plugcnt = -1;
+ } else if (possible_out < -2) {
+ /* explicit variable number of outputs, pick maximum */
+ out = -possible_out;
+ plugcnt = 1;
+ } else {
+ /* exact number of outputs */
+ out = possible_out;
+ plugcnt = 1;
+ }
+ }
+
+ if (plugcnt == 1) {
+ break;
+ }
+ }
+
+ /* no fit */
+ 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::MoreOutputs (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) {
+ 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;
+}
+
+uint32_t
+AUPlugin::input_streams() const
+{
+ if (input_channels < 0) {
+ warning << string_compose (_("AUPlugin: %1 input_streams() called without any format set!"), name()) << endmsg;
+ return 1;
+ }
+ return input_channels;
+}
+
+
+uint32_t
+AUPlugin::output_streams() const
+{
+ if (output_channels < 0) {
+ warning << string_compose (_("AUPlugin: %1 output_streams() called without any format set!"), name()) << endmsg;
+ return 1;
+ }
+ return output_channels;
+}
+
+OSStatus
+AUPlugin::render_callback(AudioUnitRenderActionFlags *ioActionFlags,
+ const AudioTimeStamp *inTimeStamp,
+ UInt32 inBusNumber,
+ UInt32 inNumberFrames,
+ AudioBufferList* ioData)
+{
+ /* not much to do - 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;
+ }
+
+ for (uint32_t i = 0; i < current_maxbuf; ++i) {
+ ioData->mBuffers[i].mNumberChannels = 1;
+ ioData->mBuffers[i].mDataByteSize = sizeof (Sample) * inNumberFrames;
+ ioData->mBuffers[i].mData = (*current_buffers)[i] + cb_offset + current_offset;
+ }
+
+ cb_offset += inNumberFrames;
+
+ return noErr;
+}
+
+int
+AUPlugin::connect_and_run (vector<Sample*>& bufs, uint32_t maxbuf, int32_t& in, int32_t& out, nframes_t nframes, nframes_t offset)
+{
+ AudioUnitRenderActionFlags flags = 0;
+ AudioTimeStamp ts;
+
+ current_buffers = &bufs;
+ current_maxbuf = maxbuf;
+ current_offset = offset;
+ cb_offset = 0;
+
+ buffers->mNumberBuffers = maxbuf;
+
+ for (uint32_t i = 0; i < maxbuf; ++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 (unit->Render (&flags, &ts, 0, nframes, buffers) == noErr) {
+
+ current_maxbuf = 0;
+ frames_processed += nframes;
+
+ for (uint32_t i = 0; i < maxbuf; ++i) {
+ if (bufs[i] + offset != buffers->mBuffers[i].mData) {
+ memcpy (bufs[i]+offset, buffers->mBuffers[i].mData, nframes * sizeof (Sample));
+ }
+ }
+ return 0;
+ }
+
+ return -1;
+}
+
+set<uint32_t>
+AUPlugin::automatable() const
+{
+ set<uint32_t> automates;
+
+ for (uint32_t i = 0; i < descriptors.size(); ++i) {
+ if (descriptors[i].automatable) {
+ automates.insert (i);
+ }
+ }
+
+ return automates;
+}
+
+string
+AUPlugin::describe_parameter (uint32_t param)
+{
+ return descriptors[param].label;
+}
+
+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;
+}
+
+XMLNode&
+AUPlugin::get_state()
+{
+ LocaleGuard lg (X_("POSIX"));
+ XMLNode *root = new XMLNode (state_node_name());
+
+#ifdef AU_STATE_SUPPORT
+ CFDataRef xmlData;
+ CFPropertyListRef propertyList;
+
+ if (unit->GetAUPreset (propertyList) != noErr) {
+ return *root;
+ }
+
+ // 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 << _("Saving AudioUnit settings is not supported in this build of Ardour. Consider paying for a newer version")
+ << endmsg;
+ seen_get_state_message = true;
+ }
+#endif
+
+ return *root;
+}
+
+int
+AUPlugin::set_state(const XMLNode& node)
+{
+#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) {
+ if (unit->SetAUPreset (propertyList) == noErr) {
+ ret = 0;
+ }
+ CFRelease (propertyList);
+ }
+
+ return ret;
+#else
+ if (!seen_set_state_message) {
+ info << _("Restoring AudioUnit settings is not supported in this build of Ardour. Consider paying for a newer version")
+ << endmsg;
+ }
+ return 0;
+#endif
+}
+
+bool
+AUPlugin::load_preset (const string preset_label)
+{
+#ifdef AU_STATE_SUPPORT
+ bool ret = false;
+ CFPropertyListRef propertyList;
+ Glib::ustring path;
+ PresetMap::iterator x = preset_map.find (preset_label);
+
+ if (x == preset_map.end()) {
+ return false;
+ }
+
+ if ((propertyList = load_property_list (x->second)) != 0) {
+ if (unit->SetAUPreset (propertyList) == noErr) {
+ ret = true;
+ }
+ CFRelease(propertyList);
+ }
+
+ return ret;
+#else
+ if (!seen_loading_message) {
+ info << _("Loading AudioUnit presets is not supported in this build of Ardour. Consider paying for a newer version")
+ << endmsg;
+ seen_loading_message = true;
+ }
+ return true;
+#endif
+}
+
+bool
+AUPlugin::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;
+ }
+
+ 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 << _("Saving AudioUnit presets is not supported in this build of Ardour. Consider paying for a newer version")
+ << 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};
+ 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;
+
+ if (unit->GetAUPreset (propertyList) == noErr) {
+ preset_name = get_preset_name_in_plist (propertyList);
+ CFRelease(propertyList);
+ }
+#endif
+ return preset_name;
+}
+
+vector<string>
+AUPlugin::get_presets ()
+{
+ vector<string*>* preset_files;
+ vector<string> presets;
+ PathScanner scanner;
+
+ preset_files = scanner (preset_search_path, au_preset_filter, this, true, true, -1, true);
+
+ if (!preset_files) {
+ return presets;
+ }
+
+ 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)) {
+ presets.push_back (preset_name);
+ preset_map[preset_name] = path;
+ }
+
+ delete *x;
+ }
+
+ delete preset_files;
+
+ return presets;
+}
+
+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)
+{
+
+}
+
+AUPluginInfo::~AUPluginInfo ()
+{
+}
+
+PluginPtr
+AUPluginInfo::load (Session& session)
+{
+ try {
+ PluginPtr plugin;
+
+ 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));
+ }
+
+ plugin->set_info (PluginInfoPtr (new AUPluginInfo (*this)));
+ return plugin;
+ }
+
+ catch (failed_constructor &err) {
+ return PluginPtr ();
+ }
+}
+
+Glib::ustring
+AUPluginInfo::au_cache_path ()
+{
+ return Glib::build_filename (ARDOUR::get_user_ardour_path(), "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;
+
+ discover_fx (plugs);
+ discover_music (plugs);
+ discover_generators (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;
+ 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_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))));
+
+ /* 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:
+ case kAudioUnitType_MusicDevice:
+ case kAudioUnitType_MusicEffect:
+ case kAudioUnitType_Effect:
+ case kAudioUnitType_Mixer:
+ case kAudioUnitType_Generator:
+ break;
+ default:
+ break;
+ }
+
+ switch (info->descriptor->SubType()) {
+ case kAudioUnitSubType_DefaultOutput:
+ case kAudioUnitSubType_SystemOutput:
+ case kAudioUnitSubType_GenericOutput:
+ case kAudioUnitSubType_AUConverter:
+ /* we don't want output units here */
+ continue;
+ break;
+
+ case kAudioUnitSubType_DLSSynth:
+ info->category = "DLS Synth";
+ break;
+
+ case kAudioUnitSubType_Varispeed:
+ info->category = "Varispeed";
+ break;
+
+ case kAudioUnitSubType_Delay:
+ info->category = "Delay";
+ break;
+
+ case kAudioUnitSubType_LowPassFilter:
+ info->category = "Low-pass Filter";
+ break;
+
+ case kAudioUnitSubType_HighPassFilter:
+ info->category = "High-pass Filter";
+ break;
+
+ case kAudioUnitSubType_BandPassFilter:
+ info->category = "Band-pass Filter";
+ break;
+
+ case kAudioUnitSubType_HighShelfFilter:
+ info->category = "High-shelf Filter";
+ break;
+
+ case kAudioUnitSubType_LowShelfFilter:
+ info->category = "Low-shelf Filter";
+ break;
+
+ case kAudioUnitSubType_ParametricEQ:
+ info->category = "Parametric EQ";
+ break;
+
+ case kAudioUnitSubType_GraphicEQ:
+ info->category = "Graphic EQ";
+ break;
+
+ case kAudioUnitSubType_PeakLimiter:
+ info->category = "Peak Limiter";
+ break;
+
+ case kAudioUnitSubType_DynamicsProcessor:
+ info->category = "Dynamics Processor";
+ break;
+
+ case kAudioUnitSubType_MultiBandCompressor:
+ info->category = "Multiband Compressor";
+ break;
+
+ case kAudioUnitSubType_MatrixReverb:
+ info->category = "Matrix Reverb";
+ break;
+
+ case kAudioUnitSubType_SampleDelay:
+ info->category = "Sample Delay";
+ break;
+
+ case kAudioUnitSubType_Pitch:
+ info->category = "Pitch";
+ break;
+
+ case kAudioUnitSubType_NetSend:
+ info->category = "Net Sender";
+ break;
+
+ case kAudioUnitSubType_3DMixer:
+ info->category = "3DMixer";
+ break;
+
+ case kAudioUnitSubType_MatrixMixer:
+ info->category = "MatrixMixer";
+ break;
+
+ case kAudioUnitSubType_ScheduledSoundPlayer:
+ info->category = "Scheduled Sound Player";
+ break;
+
+
+ case kAudioUnitSubType_AudioFilePlayer:
+ info->category = "Audio File Player";
+ break;
+
+ case kAudioUnitSubType_NetReceive:
+ info->category = "Net Receiver";
+ break;
+
+ default:
+ info->category = "";
+ }
+
+ 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 = info->cache.io_configs.front().first;
+ info->n_outputs = info->cache.io_configs.front().second;
+
+ if (info->cache.io_configs.size() > 1) {
+ cerr << "ODD: variable IO config for " << 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);
+ }
+}
+
+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", 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;
+
+ }
+
+ if ((ret = unit.GetChannelInfo (&channel_info, cnt)) < 0) {
+ return false;
+ }
+
+ if (ret > 0) {
+ /* no explicit info available */
+
+ 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;
+}
+
+void
+AUPluginInfo::save_cached_info ()
+{
+ XMLNode* node;
+
+ node = new XMLNode (X_("AudioUnitPluginCache"));
+
+ 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;
+ }
+
+ tree.read (path);
+ const XMLNode* root (tree.root());
+
+ if (root->name() != X_("AudioUnitPluginCache")) {
+ 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;
+ }
+
+ std::string id = prop->value();
+ 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 (iprop->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, Glib::ustring& maker)
{
CFStringRef itemName = NULL;
- // Marc Poirier -style item name
+
+ // Marc Poirier-style item name
CAComponent auComponent (comp_desc);
if (auComponent.IsValid()) {
CAComponentDescription dummydesc;
CFRelease(compManufacturerString);
}
- return CFStringRefToStdString(itemName);
+ 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";
+ }
+}
+
+// from CAComponentDescription.cpp (in libs/appleutility in ardour source)
+extern char *StringForOSType (OSType t, char *writeLocation);
+
+std::string
+AUPluginInfo::stringify_descriptor (const CAComponentDescription& desc)
+{
+ char str[24];
+ stringstream s;
+
+ s << StringForOSType (desc.Type(), str);
+ s << " - ";
+
+ s << StringForOSType (desc.SubType(), str);
+ s << " - ";
+
+ s << StringForOSType (desc.Manu(), str);
+
+ return s.str();
}