/*
- Copyright (C) 2006 Paul Davis
+ 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
#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 "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/CAAUParameter.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"
UInt32 inNumberFrames,
AudioBufferList* ioData)
{
- return ((AUPlugin*)userData)->render_callback (ioActionFlags, inTimeStamp, inBusNumber, inNumberFrames, ioData);
+ if (userData) {
+ return ((AUPlugin*)userData)->render_callback (ioActionFlags, inTimeStamp, inBusNumber, inNumberFrames, ioData);
+ }
+ return paramErr;
}
+static OSStatus
+_get_beat_and_tempo_callback (void* userData,
+ Float64* outCurrentBeat,
+ Float64* outCurrentTempo)
+{
+ if (userData) {
+ return ((AUPlugin*)userData)->get_beat_and_tempo_callback (outCurrentBeat, outCurrentTempo);
+ }
+
+ return paramErr;
+}
+
+static OSStatus
+_get_musical_time_location_callback (void * userData,
+ UInt32 * outDeltaSampleOffsetToNextBeat,
+ Float32 * outTimeSig_Numerator,
+ UInt32 * outTimeSig_Denominator,
+ Float64 * outCurrentMeasureDownBeat)
+{
+ if (userData) {
+ return ((AUPlugin*)userData)->get_musical_time_location_callback (outDeltaSampleOffsetToNextBeat,
+ outTimeSig_Numerator,
+ outTimeSig_Denominator,
+ outCurrentMeasureDownBeat);
+ }
+ return paramErr;
+}
+
+static OSStatus
+_get_transport_state_callback (void* userData,
+ Boolean* outIsPlaying,
+ Boolean* outTransportStateChanged,
+ Float64* outCurrentSampleInTimeLine,
+ Boolean* outIsCycling,
+ Float64* outCycleStartBeat,
+ Float64* outCycleEndBeat)
+{
+ if (userData) {
+ return ((AUPlugin*)userData)->get_transport_state_callback (
+ outIsPlaying, outTransportStateChanged,
+ outCurrentSampleInTimeLine, outIsCycling,
+ outCycleStartBeat, outCycleEndBeat);
+ }
+ return paramErr;
+}
+
+
static int
save_property_list (CFPropertyListRef propertyList, Glib::ustring path)
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 (_("Preset file %1 exists; not overwriting"),
+ path) << endmsg;
+ } else {
+ error << string_compose (_("Cannot open preset file %1 (%2)"),
+ path, strerror (errno)) << endmsg;
}
- 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) != cnt) {
+ if (write (fd, CFDataGetBytePtr (xmlData), cnt) != (ssize_t) cnt) {
CFRelease (xmlData);
close (fd);
return -1;
load_property_list (Glib::ustring path)
{
int fd;
- CFPropertyListRef propertyList;
+ CFPropertyListRef propertyList = 0;
CFDataRef xmlData;
CFStringRef errorString;
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)
+ : 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)
{
if (!preset_search_path_initialized) {
Glib::ustring p = Glib::get_home_dir();
init ();
}
+
AUPlugin::AUPlugin (const AUPlugin& other)
: Plugin (other)
, comp (other.get_comp())
, unit (new CAAudioUnit)
, initialized (false)
+ , _current_block_size (0)
+ , _last_nframes (0)
+ , _requires_fixed_size_buffers (false)
, buffers (0)
- , current_maxbuf (0)
- , current_offset (0)
- , current_buffers (0)
+ , input_maxbuf (0)
+ , input_offset (0)
+ , input_buffers (0)
, frames_processed (0)
+ , _parameter_listener (0)
+ , _parameter_listener_arg (0)
{
init ();
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 ();
}
- free (buffers);
+ if (buffers) {
+ free (buffers);
+ }
}
+void
+AUPlugin::discover_factory_presets ()
+{
+ CFArrayRef presets;
+ UInt32 dataSize;
+ Boolean isWritable;
+ OSStatus err;
+
+ if ((err = unit->GetPropertyInfo (kAudioUnitProperty_FactoryPresets, kAudioUnitScope_Global, 0, &dataSize, &isWritable)) != 0) {
+ DEBUG_TRACE (DEBUG::AudioUnits, "no factory presets for AU\n");
+ return;
+ }
+
+ assert (dataSize == sizeof (presets));
+
+ 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;
+ }
+
+ if (!presets) {
+ return;
+ }
+
+ CFIndex cnt = CFArrayGetCount (presets);
+
+ for (CFIndex i = 0; i < cnt; ++i) {
+ AUPreset* preset = (AUPreset*) CFArrayGetValueAtIndex (presets, i);
+
+ string name = CFStringRefToStdString (preset->presetName);
+ factory_preset_map[name] = preset->presetNumber;
+ }
+
+ CFRelease (presets);
+}
void
AUPlugin::init ()
{
OSErr err;
+ /* these keep track of *configured* channel set up,
+ not potential set ups.
+ */
+
+ input_channels = -1;
+ output_channels = -1;
+
try {
+ 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 ();
}
- 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();
- }
-
+ 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);
- /* these keep track of *configured* channel set up,
- not potential set ups.
- */
+ if (input_elements > 0) {
+ /* setup render callback: the plugin calls this to get input data
+ */
+
+ AURenderCallbackStruct renderCallbackInfo;
+
+ 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();
+ }
+ }
- input_channels = ChanCount::ZERO;
- output_channels = ChanCount::ZERO;
+ /* tell the plugin about tempo/meter/transport callbacks in case it wants them */
- if (_set_block_size (_session.get_block_size())) {
+ 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 ();
+ // Plugin::setup_controls ();
}
void
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 = (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.sr_dependent = (info.unit == kAudioUnitParameterUnit_SampleFrames);
d.automatable = !d.toggled &&
!(info.flags & kAudioUnitParameterFlag_NonRealTime) &&
(info.flags & kAudioUnitParameterFlag_IsWritable);
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);
}
}
}
+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 0;
}
-nframes_t
-AUPlugin::latency () const
+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()) {
- const AUParameterDescriptor& d (descriptors[which]);
- unit->SetParameter (d.id, d.scope, d.element, 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
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;
{
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 {
void
AUPlugin::deactivate ()
{
- unit->GlobalReset ();
+ DEBUG_TRACE (DEBUG::AudioUnits, "call Uninitialize in deactivate()\n");
+ unit->Uninitialize ();
+ initialized = false;
}
void
-AUPlugin::set_block_size (nframes_t nframes)
+AUPlugin::flush ()
{
- _set_block_size (nframes);
+ 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 (nframes_t nframes)
+AUPlugin::set_block_size (pframes_t nframes)
{
bool was_initialized = initialized;
UInt32 numFrames = nframes;
OSErr err;
if (initialized) {
- unit->Uninitialize ();
- initialized = false;
+ 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) {
- cerr << "cannot set max frames (err = " << err << ')' << endl;
+ error << string_compose (_("AU: cannot set max frames (err = %1)"), err) << endmsg;
return -1;
}
activate ();
}
+ _current_block_size = nframes;
+
return 0;
}
-int32_t
-AUPlugin::configure_io (int32_t in, int32_t out)
+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.mBytesPerPacket = 4;
streamFormat.mBytesPerFrame = 4;
- streamFormat.mChannelsPerFrame = in;
+ streamFormat.mChannelsPerFrame = audio_in;
if (set_input_format (streamFormat) != 0) {
return -1;
}
- streamFormat.mChannelsPerFrame = out;
+ streamFormat.mChannelsPerFrame = audio_out;
if (set_output_format (streamFormat) != 0) {
return -1;
}
- return Plugin::configure_io (in, out);
+ /* 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;
}
-int32_t
-AUPlugin::can_do (int32_t in, int32_t& out)
+bool
+AUPlugin::can_support_io_configuration (const ChanCount& in, ChanCount& out) const
{
- // XXX as of May 13th 2008, AU plugin support returns a count of either 1 or -1. We never
- // attempt to multiply-instantiate plugins to meet io configurations.
+ // Note: We never attempt to multiply-instantiate plugins to meet io configurations.
- int32_t plugcnt = -1;
+ int32_t audio_in = in.n_audio();
+ int32_t audio_out;
+ bool found = false;
AUPluginInfoPtr pinfo = boost::dynamic_pointer_cast<AUPluginInfo>(get_info());
- out = -1;
+ /* 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_out == -1) {
- /* out much match in (UNLIKELY!!) */
- out = in;
- plugcnt = 1;
+ /* any configuration possible, provide stereo output */
+ audio_out = 2;
+ found = true;
} else if (possible_out == -2) {
- /* any configuration possible, pick matching */
- out = in;
- plugcnt = 1;
+ /* 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) {
- /* explicit variable number of outputs, pick maximum */
- out = -possible_out;
- plugcnt = 1;
+ /* 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 */
- out = possible_out;
- plugcnt = 1;
+ audio_out = possible_out;
+ found = true;
}
}
if (possible_out == -1) {
/* out much match in */
- out = in;
- plugcnt = 1;
+ audio_out = audio_in;
+ found = true;
} else if (possible_out == -2) {
/* any configuration possible, pick matching */
- out = in;
- plugcnt = 1;
+ audio_out = audio_in;
+ found = true;
} else if (possible_out < -2) {
- /* explicit variable number of outputs, pick maximum */
- out = -possible_out;
- plugcnt = 1;
+ /* explicitly variable number of outputs, pick maximum */
+ audio_out = -possible_out;
+ found = true;
} else {
/* exact number of outputs */
- out = possible_out;
- plugcnt = 1;
+ audio_out = possible_out;
+ found = true;
}
}
if (possible_out == -1) {
/* any configuration possible, pick matching */
- out = in;
- plugcnt = 1;
+ audio_out = audio_in;
+ found = true;
} else if (possible_out == -2) {
- error << string_compose (_("AU plugin %1 has illegal IO configuration (-2,-2)"), name())
- << endmsg;
- plugcnt = -1;
+ /* plugins shouldn't really use (-2,-2) but might.
+ interpret as (-1,-1).
+ */
+ audio_out = audio_in;
+ found = true;
} else if (possible_out < -2) {
- /* explicit variable number of outputs, pick maximum */
- out = -possible_out;
- plugcnt = 1;
+ /* explicitly variable number of outputs, pick maximum */
+ audio_out = -possible_out;
+ found = true;
} else {
/* exact number of outputs */
- out = possible_out;
- plugcnt = 1;
+ audio_out = possible_out;
+ found = true;
}
}
/* explicit variable number of inputs */
- if (in > -possible_in) {
+ if (audio_in > -possible_in) {
/* request is too large */
- plugcnt = -1;
}
+
if (possible_out == -1) {
- /* out must match in */
- out = in;
- plugcnt = 1;
+ /* any output configuration possible, provide stereo out */
+ audio_out = 2;
+ found = true;
} else if (possible_out == -2) {
- error << string_compose (_("AU plugin %1 has illegal IO configuration (-2,-2)"), name())
- << endmsg;
- plugcnt = -1;
+ /* 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) {
- /* explicit variable number of outputs, pick maximum */
- out = -possible_out;
- plugcnt = 1;
+ /* 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 */
- out = possible_out;
- plugcnt = 1;
+ audio_out = possible_out;
+ found = true;
}
}
- if (possible_in == in) {
+ if (possible_in && (possible_in == audio_in)) {
/* exact number of inputs ... must match obviously */
if (possible_out == -1) {
- /* out must match in */
- out = in;
- plugcnt = 1;
+ /* any output configuration possible, provide stereo output */
+ audio_out = 2;
+ found = true;
} else if (possible_out == -2) {
- /* any output configuration, pick matching */
- out = in;
- plugcnt = -1;
+ /* 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) {
- /* explicit variable number of outputs, pick maximum */
- out = -possible_out;
- plugcnt = 1;
+ /* explicitly variable number of outputs, pick maximum */
+ audio_out = -possible_out;
+ found = true;
} else {
/* exact number of outputs */
- out = possible_out;
- plugcnt = 1;
+ audio_out = possible_out;
+ found = true;
}
}
- if (plugcnt == 1) {
+ 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;
}
- /* no fit */
- return plugcnt;
+ out.set (DataType::MIDI, 0);
+ out.set (DataType::AUDIO, audio_out);
+
+ return true;
}
int
}
buffers = (AudioBufferList *) malloc (offsetof(AudioBufferList, mBuffers) +
- fmt.mChannelsPerFrame * sizeof(AudioBuffer));
-
- Glib::Mutex::Lock em (_session.engine().process_lock());
- IO::MoreOutputs (fmt.mChannelsPerFrame);
+ fmt.mChannelsPerFrame * sizeof(::AudioBuffer));
return 0;
}
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;
}
if (scope == kAudioUnitScope_Input) {
- input_channels.setAudio( fmt.mChannelsPerFrame );
+ input_channels = fmt.mChannelsPerFrame;
} else {
- output_channels.setAudio( fmt.mChannelsPerFrame );
+ output_channels = fmt.mChannelsPerFrame;
}
return 0;
}
-ChanCount
-AUPlugin::input_streams() const
+OSStatus
+AUPlugin::render_callback(AudioUnitRenderActionFlags*,
+ const AudioTimeStamp*,
+ UInt32,
+ UInt32 inNumberFrames,
+ AudioBufferList* ioData)
{
- if (input_channels < 0) {
- warning << string_compose (_("AUPlugin: %1 input_streams() called without any format set!"), name()) << endmsg;
- return 1;
+ /* 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;
}
- return input_channels;
+ 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);
-ChanCount
-AUPlugin::output_streams() const
+ 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)
{
- if (output_channels < 0) {
- warning << string_compose (_("AUPlugin: %1 output_streams() called without any format set!"), name()) << endmsg;
- return 1;
+ 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;
}
- return output_channels;
+
+ if (outCurrentTempo) {
+ *outCurrentTempo = floor (metric.tempo().beats_per_minute());
+ }
+
+ return noErr;
+
}
OSStatus
-AUPlugin::render_callback(AudioUnitRenderActionFlags *ioActionFlags,
- const AudioTimeStamp *inTimeStamp,
- UInt32 inBusNumber,
- UInt32 inNumberFrames,
- AudioBufferList* ioData)
+AUPlugin::get_musical_time_location_callback (UInt32* outDeltaSampleOffsetToNextBeat,
+ Float32* outTimeSig_Numerator,
+ UInt32* outTimeSig_Denominator,
+ Float64* outCurrentMeasureDownBeat)
{
- /* not much to do - the data is already in the buffers given to us in connect_and_run() */
+ 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 (current_maxbuf == 0) {
- error << _("AUPlugin: render callback called illegally!") << endmsg;
- return kAudioUnitErr_CannotDoInCurrentContext;
+ if (outTransportStateChanged) {
+ if (rolling != last_transport_rolling) {
+ *outTransportStateChanged = true;
+ } else if (speed != last_transport_speed) {
+ *outTransportStateChanged = true;
+ } else {
+ *outTransportStateChanged = false;
+ }
}
- 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;
+ 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;
}
- cb_offset += inNumberFrames;
+ if (outIsCycling) {
+ Location* loc = _session.locations()->auto_loop_location();
- return noErr;
-}
+ *outIsCycling = (loc && _session.transport_rolling() && _session.get_play_loop());
-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;
+ if (*outIsCycling) {
- current_buffers = &bufs;
- current_maxbuf = maxbuf;
- current_offset = offset;
- cb_offset = 0;
+ if (outCycleStartBeat || outCycleEndBeat) {
- buffers->mNumberBuffers = maxbuf;
+ TempoMap& tmap (_session.tempo_map());
- 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;
- }
+ /* more than 1 meter means that a simplistic computation (and interpretation) of
+ a beat position will be incorrect. so refuse to offer the value.
+ */
- ts.mSampleTime = frames_processed;
- ts.mFlags = kAudioTimeStampSampleTimeValid;
+ if (tmap.n_meters() > 1) {
+ return kAudioUnitErr_CannotDoInCurrentContext;
+ }
- if (unit->Render (&flags, &ts, 0, nframes, buffers) == noErr) {
+ Timecode::BBT_Time bbt;
- current_maxbuf = 0;
- frames_processed += nframes;
+ 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;
- 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));
+ *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;
+ }
}
}
- return 0;
}
- return -1;
+ last_transport_rolling = rolling;
+ last_transport_speed = speed;
+
+ return noErr;
}
-set<uint32_t>
+set<Evoral::Parameter>
AUPlugin::automatable() const
{
- set<uint32_t> automates;
+ set<Evoral::Parameter> automates;
for (uint32_t i = 0; i < descriptors.size(); ++i) {
if (descriptors[i].automatable) {
- automates.insert (i);
+ automates.insert (automates.end(), Evoral::Parameter (PluginAutomation, 0, i));
}
}
}
string
-AUPlugin::describe_parameter (uint32_t param)
+AUPlugin::describe_parameter (Evoral::Parameter param)
{
- return descriptors[param].label;
+ 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
+AUPlugin::print_parameter (uint32_t /*param*/, char* /*buf*/, uint32_t /*len*/) const
{
// NameValue stuff here
}
return false;
}
-XMLNode&
-AUPlugin::get_state()
+void
+AUPlugin::add_state (XMLNode* root) const
{
LocaleGuard lg (X_("POSIX"));
- XMLNode *root = new XMLNode (state_node_name());
#ifdef AU_STATE_SUPPORT
CFDataRef xmlData;
CFPropertyListRef propertyList;
+ DEBUG_TRACE (DEBUG::AudioUnits, "get preset state\n");
if (unit->GetAUPreset (propertyList) != noErr) {
- return *root;
+ return;
}
// Convert the property list into XML data.
if (!xmlData) {
error << _("Could not create XML version of property list") << endmsg;
- return *root;
+ return;
}
/* re-parse XML bytes to create a libxml++ XMLTree that we can merge into
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")
+ 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
-
- return *root;
}
int
-AUPlugin::set_state(const XMLNode& node)
+AUPlugin::set_state(const XMLNode& node, int version)
{
#ifdef AU_STATE_SUPPORT
int ret = -1;
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 << _("Restoring AudioUnit settings is not supported in this build of Ardour. Consider paying for a newer version")
+ info << string_compose (_("Restoring AudioUnit settings is not supported in this build of %1. Consider paying for a newer version"),
+ PROGRAM_NAME)
<< endmsg;
}
- return 0;
+ return Plugin::set_state (node, version);
#endif
}
bool
-AUPlugin::load_preset (const string& preset_label)
+AUPlugin::load_preset (PresetRecord r)
{
+ Plugin::load_preset (r);
+
#ifdef AU_STATE_SUPPORT
bool ret = false;
CFPropertyListRef propertyList;
Glib::ustring path;
- PresetMap::iterator x = preset_map.find (preset_label);
+ UserPresetMap::iterator ux;
+ FactoryPresetMap::iterator fx;
- if (x == preset_map.end()) {
- return false;
- }
+ /* look first in "user" presets */
- if ((propertyList = load_property_list (x->second)) != 0) {
- if (unit->SetAUPreset (propertyList) == noErr) {
+ 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);
}
- 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")
+ 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;
}
#endif
}
-bool
-AUPlugin::save_preset (string preset_name)
+void
+AUPlugin::do_remove_preset (std::string)
+{
+}
+
+string
+AUPlugin::do_save_preset (string preset_name)
{
#ifdef AU_STATE_SUPPORT
CFPropertyListRef propertyList;
return false;
}
+ DEBUG_TRACE (DEBUG::AudioUnits, "get current preset\n");
if (unit->GetAUPreset (propertyList) != noErr) {
return false;
}
CFRelease(propertyList);
- return ret;
+ return string ("file:///") + user_preset_path;
#else
if (!seen_saving_message) {
- info << _("Saving AudioUnit presets is not supported in this build of Ardour. Consider paying for a newer version")
+ info << string_compose (_("Saving AudioUnit presets is not supported in this build of %1. Consider paying for a newer version"),
+ PROGRAM_NAME)
<< endmsg;
seen_saving_message = true;
}
- return false;
+ return string();
#endif
}
static OSStatus
GetAUComponentDescriptionFromStateData(CFPropertyListRef inAUStateData, ComponentDescription * outComponentDescription)
{
- CFDictionaryRef auStateDictionary;
- ComponentDescription tempDesc = {0};
- SInt32 versionValue;
- Boolean gotValue;
+ CFDictionaryRef auStateDictionary;
+ ComponentDescription tempDesc = {0,0,0,0,0};
+ SInt32 versionValue;
+ Boolean gotValue;
- if ( (inAUStateData == NULL) || (outComponentDescription == NULL) )
- return paramErr;
+ 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;
+ // the property list for AU state data must be of the dictionary type
+ if (CFGetTypeID(inAUStateData) != CFDictionaryGetTypeID()) {
+ return kAudioUnitErr_InvalidPropertyValue;
}
- auStateDictionary = (CFDictionaryRef)inAUStateData;
+ 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);
+ // 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;
+ if (!gotValue) {
+ return kAudioUnitErr_InvalidPropertyValue;
}
#define kCurrentSavedStateVersion 0
- if (versionValue != kCurrentSavedStateVersion) {
- return kAudioUnitErr_InvalidPropertyValue;
+ 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;
+ // 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;
+ *outComponentDescription = tempDesc;
+ return noErr;
}
bool
check_and_get_preset_name (Component component, const string& pathstr, string& preset_name)
{
- OSStatus status;
- CFPropertyListRef plist;
+ OSStatus status;
+ CFPropertyListRef plist;
ComponentDescription presetDesc;
bool ret = false;
#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);
return preset_name;
}
-vector<string>
-AUPlugin::get_presets ()
+void
+AUPlugin::find_presets ()
{
+#ifdef AU_STATE_SUPPORT
vector<string*>* preset_files;
- vector<string> presets;
PathScanner scanner;
+ user_preset_map.clear ();
+
preset_files = scanner (preset_search_path, au_preset_filter, this, true, true, -1, true);
if (!preset_files) {
- return presets;
+ return;
}
for (vector<string*>::iterator x = preset_files->begin(); x != preset_files->end(); ++x) {
*/
if (check_and_get_preset_name (get_comp()->Comp(), path, preset_name)) {
- presets.push_back (preset_name);
- preset_map[preset_name] = path;
+ user_preset_map[preset_name] = path;
}
delete *x;
delete preset_files;
- return presets;
+ /* 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
AUPluginInfo::AUPluginInfo (boost::shared_ptr<CAComponentDescription> d)
: descriptor (d)
{
-
+ type = ARDOUR::AudioUnit;
}
AUPluginInfo::~AUPluginInfo ()
{
+ type = ARDOUR::AudioUnit;
}
PluginPtr
try {
PluginPtr plugin;
+ DEBUG_TRACE (DEBUG::AudioUnits, "load AU as a component\n");
boost::shared_ptr<CAComponent> comp (new CAComponent(*descriptor));
if (!comp->IsValid()) {
plugin.reset (new AUPlugin (session.engine(), session, comp));
}
- plugin->set_info (PluginInfoPtr (new AUPluginInfo (*this)));
+ 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::get_user_ardour_path(), "au_cache");
+ return Glib::build_filename (ARDOUR::user_config_directory(), "au_cache");
}
PluginInfoList*
ARDOUR::BootMessage (_("Discovering AudioUnit plugins (could take some time ...)"));
}
- PluginInfoList* plugs = new PluginInfoList ();
+ PluginInfoList* plugs = new PluginInfoList;
- discover_fx (plugs);
- discover_music (plugs);
- discover_generators (plugs);
+ 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;
}
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)
{
AUPluginInfoPtr info (new AUPluginInfo
(boost::shared_ptr<CAComponentDescription> (new CAComponentDescription(temp))));
- /* no panners, format converters or i/o AU's for our purposes
+ /* 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_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;
}
- 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;
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.
*/
- info->n_inputs = info->cache.io_configs.front().first;
- info->n_outputs = info->cache.io_configs.front().second;
+ 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 (info->cache.io_configs.size() > 1) {
- cerr << "ODD: variable IO config for " << info->unique_id << endl;
+ 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 {
follow Apple "guidelines".
*/
- snprintf (buf, sizeof (buf), "%u", version);
+ snprintf (buf, sizeof (buf), "%u", (uint32_t) version);
id = unique_id;
id += '/';
id += buf;
} 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;
}
+ 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 */
+
+ /* 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));
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"));
return 0;
}
- tree.read (path);
+ 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();
continue;
}
- std::string id = prop->value();
+ 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++) {
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)) {
- const int in = atoi (iprop->value());
- const int out = atoi (iprop->value());
+ in = atoi (iprop->value());
+ out = atoi (oprop->value());
cinfo.io_configs.push_back (pair<int,int> (in, out));
}
}
void
-AUPluginInfo::get_names (CAComponentDescription& comp_desc, std::string& name, Glib::ustring& maker)
+AUPluginInfo::get_names (CAComponentDescription& comp_desc, std::string& name, std::string& maker)
{
CFStringRef itemName = NULL;
if (colon) {
name = str.substr (colon+1);
maker = str.substr (0, colon);
- // strip_whitespace_edges (maker);
- // strip_whitespace_edges (name);
+ strip_whitespace_edges (maker);
+ strip_whitespace_edges (name);
} else {
name = str;
maker = "unknown";
+ strip_whitespace_edges (name);
}
}
-// 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 << " - ";
+ /* 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 << StringForOSType (desc.Manu(), str);
+ 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);
+
+ 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