#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 <CoreServices/CoreServices.h>
#include <AudioUnit/AudioUnit.h>
#include <AudioToolbox/AudioUnitUtilities.h>
+#ifdef WITH_CARBON
+#include <Carbon/Carbon.h>
+#endif
#include "i18n.h"
, _current_block_size (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)
, last_transport_rolling (false)
, last_transport_speed (0.0)
{
, _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 ();
AUPlugin::discover_factory_presets ()
{
CFArrayRef presets;
- UInt32 dataSize = sizeof (presets);
+ UInt32 dataSize;
+ Boolean isWritable;
OSStatus err;
- DEBUG_TRACE (DEBUG::AudioUnits, "get property FactoryPresets in global scope\n");
+ 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) {
- cerr << "cannot get factory preset info: " << err << endl;
+ error << string_compose (_("cannot get factory preset info: errcode %1"), err) << endmsg;
return;
}
unit->GetElementCount (kAudioUnitScope_Output, output_elements);
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) {
- cerr << "cannot install render callback (err = " << err << ')' << endl;
+ 0, (void*) &renderCallbackInfo, sizeof(renderCallbackInfo))) != 0) {
+ error << string_compose (_("cannot install render callback (err = %1)"), err) << endmsg;
throw failed_constructor();
}
}
throw failed_constructor();
}
+ create_parameter_listener (AUPlugin::_parameter_change_listener, this, 0.05);
discover_parameters ();
discover_factory_presets ();
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);
}
}
}
/* too close to the end for \xNN parsing: treat as literal characters */
- cerr << "Parse " << cstr << " as a literal \\" << endl;
nascent[in] = *cstr;
++cstr;
++in;
} else {
/* treat as literal characters */
- cerr << "Parse " << cstr << " as a literal \\" << endl;
nascent[in] = *cstr;
++cstr;
++in;
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));
+ // 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;
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;
}
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 audio_in = in.n_audio();
int32_t audio_out;
- int32_t plugcnt = -1;
+ bool found = false;
AUPluginInfoPtr pinfo = boost::dynamic_pointer_cast<AUPluginInfo>(get_info());
/* lets check MIDI first */
vector<pair<int,int> >& io_configs = pinfo->cache.io_configs;
- DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1 has %2 IO configurations\n", name(), io_configs.size()));
+ 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 (since we don't allow special routing like sidechains in A2, we want to preserve the number of streams
- //so first lets see if there's a configuration that keeps out==in
+ //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: in %1 out %2\n", in, out));
+ 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;
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!!) */
- audio_out = audio_in;
- plugcnt = 1;
+ /* any configuration possible, provide stereo output */
+ audio_out = 2;
+ found = true;
} else if (possible_out == -2) {
- /* any configuration possible, pick matching */
- audio_out = audio_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 */
- audio_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 */
audio_out = possible_out;
- plugcnt = 1;
+ found = true;
}
}
if (possible_out == -1) {
/* out much match in */
audio_out = audio_in;
- plugcnt = 1;
+ found = true;
} else if (possible_out == -2) {
/* any configuration possible, pick matching */
audio_out = audio_in;
- plugcnt = 1;
+ found = true;
} else if (possible_out < -2) {
- /* explicit variable number of outputs, pick maximum */
+ /* explicitly variable number of outputs, pick maximum */
audio_out = -possible_out;
- plugcnt = 1;
+ found = true;
} else {
/* exact number of outputs */
audio_out = possible_out;
- plugcnt = 1;
+ found = true;
}
}
if (possible_out == -1) {
/* any configuration possible, pick matching */
audio_out = audio_in;
- plugcnt = 1;
+ 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 */
+ /* explicitly variable number of outputs, pick maximum */
audio_out = -possible_out;
- plugcnt = 1;
+ found = true;
} else {
/* exact number of outputs */
audio_out = possible_out;
- plugcnt = 1;
+ found = true;
}
}
if (audio_in > -possible_in) {
/* request is too large */
- plugcnt = -1;
}
+
if (possible_out == -1) {
- /* out must match in */
- audio_out = audio_in;
- plugcnt = 1;
+ /* 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 */
- audio_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 */
audio_out = possible_out;
- plugcnt = 1;
+ found = true;
}
}
- if (possible_in == audio_in) {
+ if (possible_in && (possible_in == audio_in)) {
/* exact number of inputs ... must match obviously */
if (possible_out == -1) {
- /* out must match in */
- audio_out = audio_in;
- plugcnt = 1;
+ /* any output configuration possible, provide stereo output */
+ audio_out = 2;
+ found = true;
} else if (possible_out == -2) {
- /* any output configuration, pick matching */
- audio_out = audio_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 */
+ /* explicitly variable number of outputs, pick maximum */
audio_out = -possible_out;
- plugcnt = 1;
+ found = true;
} else {
/* exact number of outputs */
audio_out = possible_out;
- plugcnt = 1;
+ found = true;
}
}
- if (plugcnt == 1) {
+ if (found) {
break;
}
}
- if (plugcnt > 0) {
- DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("\tCHOSEN: in %1 out %2 plugcnt %3\n", in, out, plugcnt));
+ if (found) {
+ DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("\tCHOSEN: in %1 out %2\n", in, out));
} else {
- DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("\FAIL: no io configs match %1\n", in));
+ DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("\tFAIL: no io configs match %1\n", in));
+ return false;
}
out.set (DataType::MIDI, 0);
out.set (DataType::AUDIO, audio_out);
- return plugcnt;
+ return true;
}
int
UInt32 inNumberFrames,
AudioBufferList* ioData)
{
- if (_has_midi_input) {
- assert (current_buffers->count().n_midi() > 0);
-
- /* deliver the first (and assumed only) MIDI buffer's data
- to the plugin
- */
-
- MidiBuffer& mb (current_buffers->get_midi(0));
-
- for (MidiBuffer::iterator i = mb.begin(); i != mb.end(); ++i) {
- Evoral::MIDIEvent<MidiBuffer::TimeType> ev = *i;
- switch (ev.type()) {
- case MIDI_CMD_NOTE_ON:
- case MIDI_CMD_NOTE_OFF:
- case MIDI_CMD_CONTROL:
- case MIDI_CMD_BENDER:
- case MIDI_CMD_PGM_CHANGE:
- case MIDI_CMD_CHANNEL_PRESSURE:
- {
- const uint8_t* b = ev.buffer();
- unit->MIDIEvent (b[0], b[1], b[2], ev.time());
- break;
- }
-
- default:
- /* plugins do not get other stuff by default */
- break;
- };
- }
- }
-
/* not much to do with audio - the data is already in the buffers given to us in connect_and_run() */
- if (current_maxbuf == 0) {
+ DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1: render callback, frames %2 bufs %3\n",
+ name(), inNumberFrames, ioData->mNumberBuffers));
+
+ if (input_maxbuf == 0) {
error << _("AUPlugin: render callback called illegally!") << endmsg;
return kAudioUnitErr_CannotDoInCurrentContext;
}
- uint32_t limit = min ((uint32_t) ioData->mNumberBuffers, current_maxbuf);
+ uint32_t limit = min ((uint32_t) ioData->mNumberBuffers, input_maxbuf);
for (uint32_t i = 0; i < limit; ++i) {
ioData->mBuffers[i].mNumberChannels = 1;
passed to PluginInsert::connect_and_run()
*/
- ioData->mBuffers[i].mData = current_buffers->get_audio (i).data (cb_offset + current_offset);
+ ioData->mBuffers[i].mData = input_buffers->get_audio (i).data (cb_offset + input_offset);
}
cb_offset += inNumberFrames;
AudioUnitRenderActionFlags flags = 0;
AudioTimeStamp ts;
OSErr err;
- uint32_t maxbuf = bufs.count().n_audio();
if (requires_fixed_size_buffers() && (nframes != _last_nframes)) {
unit->GlobalReset();
_last_nframes = nframes;
}
- current_buffers = &bufs;
- current_maxbuf = maxbuf;
- current_offset = offset;
+ 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 = min ((uint32_t) output_channels, maxbuf);
+ buffers->mNumberBuffers = output_channels;
- for (uint32_t i = 0; i < buffers->mNumberBuffers; ++i) {
+ 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) {
- current_maxbuf = 0;
+ input_maxbuf = 0;
frames_processed += nframes;
- uint32_t limit = min ((uint32_t) buffers->mNumberBuffers, maxbuf);
- uint32_t i;
+ 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) {
- // cerr << "chn " << i << " rendered into " << bufs[i]+offset << endl;
+ /* 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));
}
}
did not fill/touch/use.
*/
- for (;i < maxbuf; ++i) {
- Sample* buffer_address= bufs.get_audio (i).data (offset);
- memset (buffer_address, 0, nframes * sizeof (Sample));
+ for (;i < output_channels; ++i) {
+ memset (bufs.get_audio (i).data (offset), 0, nframes * sizeof (Sample));
}
return 0;
}
- cerr << name() << " render status " << err << endl;
+ error << string_compose (_("AU: render error for %1, status = %2"), name(), err) << endmsg;
return -1;
}
}
Timecode::BBT_Time bbt;
- TempoMetric metric = tmap.metric_at (_session.transport_frame() + current_offset);
- tmap.bbt_time_with_metric (_session.transport_frame() + current_offset, bbt, metric);
+ 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().beats_per_bar() * bbt.bars;
+ beat = metric.meter().divisions_per_bar() * bbt.bars;
beat += bbt.beats;
beat += bbt.ticks / Timecode::BBT_Time::ticks_per_beat;
*outCurrentBeat = beat;
}
Timecode::BBT_Time bbt;
- TempoMetric metric = tmap.metric_at (_session.transport_frame() + current_offset);
- tmap.bbt_time_with_metric (_session.transport_frame() + current_offset, bbt, metric);
+ 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) {
} 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(), metric.meter())); // frames per beat
+ metric.tempo().frames_per_beat (_session.frame_rate())); // frames per beat
}
}
if (outTimeSig_Numerator) {
- *outTimeSig_Numerator = (UInt32) lrintf (metric.meter().beats_per_bar());
+ *outTimeSig_Numerator = (UInt32) lrintf (metric.meter().divisions_per_bar());
}
if (outTimeSig_Denominator) {
*outTimeSig_Denominator = (UInt32) lrintf (metric.meter().note_divisor());
/* beat for the start of the bar.
1|1|0 -> 1
- 2|1|0 -> 1 + beats_per_bar
- 3|1|0 -> 1 + (2 * beats_per_bar)
+ 2|1|0 -> 1 + divisions_per_bar
+ 3|1|0 -> 1 + (2 * divisions_per_bar)
etc.
*/
- *outCurrentMeasureDownBeat = 1 + metric.meter().beats_per_bar() * (bbt.bars - 1);
+ *outCurrentMeasureDownBeat = 1 + metric.meter().divisions_per_bar() * (bbt.bars - 1);
}
return noErr;
if (outCurrentSampleInTimeLine) {
/* this assumes that the AU can only call this host callback from render context,
- where current_offset is valid.
+ where input_offset is valid.
*/
- *outCurrentSampleInTimeLine = _session.transport_frame() + current_offset;
+ *outCurrentSampleInTimeLine = _session.transport_frame() + input_offset;
}
if (outIsCycling) {
Timecode::BBT_Time bbt;
if (outCycleStartBeat) {
- TempoMetric metric = tmap.metric_at (loc->start() + current_offset);
- _session.tempo_map().bbt_time_with_metric (loc->start(), bbt, metric);
+ TempoMetric metric = tmap.metric_at (loc->start() + input_offset);
+ _session.tempo_map().bbt_time (loc->start(), bbt);
float beat;
- beat = metric.meter().beats_per_bar() * bbt.bars;
+ beat = metric.meter().divisions_per_bar() * bbt.bars;
beat += bbt.beats;
beat += bbt.ticks / Timecode::BBT_Time::ticks_per_beat;
}
if (outCycleEndBeat) {
- TempoMetric metric = tmap.metric_at (loc->end() + current_offset);
- _session.tempo_map().bbt_time_with_metric (loc->end(), bbt, metric);
+ TempoMetric metric = tmap.metric_at (loc->end() + input_offset);
+ _session.tempo_map().bbt_time (loc->end(), bbt);
float beat;
- beat = metric.meter().beats_per_bar() * bbt.bars;
+ beat = metric.meter().divisions_per_bar() * bbt.bars;
beat += bbt.beats;
beat += bbt.ticks / Timecode::BBT_Time::ticks_per_beat;
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)));
+ _presets.insert (make_pair (uri, Plugin::PresetRecord (uri, i->first, i->second)));
}
#endif
Glib::ustring
AUPluginInfo::au_cache_path ()
{
- return Glib::build_filename (ARDOUR::user_config_directory().to_string(), "au_cache");
+ return Glib::build_filename (ARDOUR::user_config_directory(), "au_cache");
}
PluginInfoList*
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.set (DataType::AUDIO, info->cache.io_configs.front().first);
- info->n_outputs.set (DataType::AUDIO, 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 (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));
/* no explicit info available, so default to 1in/1out */
- cinfo.io_configs.push_back (pair<int,int> (1, 1));
+ /* XXX this is wrong. we should be indicating wildcard values */
+
+ cinfo.io_configs.push_back (pair<int,int> (-1, -1));
} else {
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;
+ }
+
+ 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;
+ }
+
+ 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 = parameter_map.find (event->mArgument.mParameter.mParameterID);
+
+ if (i != parameter_map.end()) {
+ ParameterChanged (i->second, new_value);
+ }
+}
projects / ardour.git / blobdiff