#include "pbd/pathscanner.h"
#include "pbd/locale_guard.h"
-#include <glibmm/thread.h>
+#include <glibmm/threads.h>
#include <glibmm/fileutils.h>
#include <glibmm/miscutils.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"
return;
}
+ if (get_parameter(which) == val) {
+ 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);
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;
audio_out = 2;
found = true;
} else if (possible_out < -2) {
- /* explicitly variable number of outputs, pick maximum */
- audio_out = -possible_out;
+ /* 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 */
/* request is too large */
}
+
if (possible_out == -1) {
/* any output configuration possible, provide stereo out */
audio_out = 2;
audio_out = 2;
found = true;
} else if (possible_out < -2) {
- /* explicitly variable number of outputs, pick maximum */
- audio_out = -possible_out;
+ /* 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 */
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. no documentation on what setting it
- to a non-null value means.
+ 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;
}
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));
+ 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) {
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*
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;
}
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)
{
- ParameterMap::iterator i = parameter_map.find (event->mArgument.mParameter.mParameterID);
-
- if (i != parameter_map.end()) {
- ParameterChanged (i->second, 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