#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 ();
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;
+ 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;
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;
}
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
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));
+ 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;
}
}
DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1: render callback, frames %2 bufs %3\n",
name(), inNumberFrames, ioData->mNumberBuffers));
- if (current_maxbuf == 0) {
+ 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;
_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));
- current_buffers = &bufs;
- current_maxbuf = bufs.count().n_audio(); // number of input audio buffers
- current_offset = offset;
+ input_buffers = &bufs;
+ input_maxbuf = bufs.count().n_audio(); // number of input audio buffers
+ input_offset = offset;
cb_offset = 0;
- 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()));
-
buffers->mNumberBuffers = output_channels;
- for (uint32_t i = 0; i < output_channels; ++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 ((err = unit->Render (&flags, &ts, 0, nframes, buffers)) == noErr) {
- current_maxbuf = 0;
+ input_maxbuf = 0;
frames_processed += nframes;
DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1 rendered %2 buffers of %3\n",
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;
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