#include <ardour/utils.h>
#include <appleutility/CAAudioUnit.h>
+#include <appleutility/CAAUParameter.h>
#include <CoreServices/CoreServices.h>
#include <AudioUnit/AudioUnit.h>
}
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),
+ : Plugin (engine, session),
+ comp (_comp),
+ unit (new CAAudioUnit),
+ initialized (false),
+ buffers (0),
+ current_maxbuf (0),
+ current_offset (0),
+ current_buffers (0),
frames_processed (0)
{
+ init ();
+}
+
+AUPlugin::AUPlugin (const AUPlugin& other)
+ : Plugin (other)
+ , comp (other.get_comp())
+ , unit (new CAAudioUnit)
+ , initialized (false)
+ , buffers (0)
+ , current_maxbuf (0)
+ , current_offset (0)
+ , current_buffers (0)
+ , frames_processed (0)
+
+{
+ init ();
+}
+
+AUPlugin::~AUPlugin ()
+{
+ if (unit) {
+ unit->Uninitialize ();
+ }
+
+ if (buffers) {
+ free (buffers);
+ }
+}
+
+
+void
+AUPlugin::init ()
+{
OSErr err = CAAudioUnit::Open (*(comp.get()), *unit);
if (err != noErr) {
throw failed_constructor();
}
+ unit->GetElementCount (kAudioUnitScope_Global, global_elements);
unit->GetElementCount (kAudioUnitScope_Input, input_elements);
unit->GetElementCount (kAudioUnitScope_Output, output_elements);
// set up the basic stream format. these fields do not change
- streamFormat.mSampleRate = session.frame_rate();
+ streamFormat.mSampleRate = _session.frame_rate();
streamFormat.mFormatID = kAudioFormatLinearPCM;
streamFormat.mFormatFlags = kAudioFormatFlagIsFloat|kAudioFormatFlagIsPacked|kAudioFormatFlagIsNonInterleaved;
+
+#ifdef __LITTLE_ENDIAN__
+ /* relax */
+#else
+ streamFormat.mFormatFlags |= kAudioFormatFlagIsBigEndian;
+#endif
+
streamFormat.mBitsPerChannel = 32;
streamFormat.mFramesPerPacket = 1;
error << _("AUPlugin: cannot set processing block size") << endmsg;
throw failed_constructor();
}
+
+ discover_parameters ();
+
+ Plugin::setup_controls ();
}
-AUPlugin::~AUPlugin ()
+void
+AUPlugin::discover_parameters ()
{
- if (unit) {
- unit->Uninitialize ();
- }
+ /* discover writable parameters */
+
+ AudioUnitScope scopes[] = {
+ kAudioUnitScope_Global,
+ kAudioUnitScope_Output,
+ kAudioUnitScope_Input
+ };
- if (buffers) {
- free (buffers);
+ descriptors.clear ();
+
+ for (uint32_t i = 0; i < sizeof (scopes) / sizeof (scopes[0]); ++i) {
+
+ AUParamInfo param_info (unit->AU(), false, false, scopes[i]);
+
+ for (uint32_t i = 0; i < param_info.NumParams(); ++i) {
+
+ AUParameterDescriptor d;
+
+ d.id = param_info.ParamID (i);
+
+ const CAAUParameter* param = param_info.GetParamInfo (d.id);
+ const AudioUnitParameterInfo& info (param->ParamInfo());
+
+ const int len = CFStringGetLength (param->GetName());;
+ char local_buffer[len*2];
+ Boolean good = CFStringGetCString(param->GetName(),local_buffer,len*2,kCFStringEncodingMacRoman);
+ if (!good) {
+ d.label = "???";
+ } else {
+ d.label = local_buffer;
+ }
+
+ d.scope = param_info.GetScope ();
+ d.element = param_info.GetElement ();
+
+ /* info.units to consider */
+ /*
+ kAudioUnitParameterUnit_Generic = 0
+ kAudioUnitParameterUnit_Indexed = 1
+ kAudioUnitParameterUnit_Boolean = 2
+ kAudioUnitParameterUnit_Percent = 3
+ kAudioUnitParameterUnit_Seconds = 4
+ kAudioUnitParameterUnit_SampleFrames = 5
+ kAudioUnitParameterUnit_Phase = 6
+ kAudioUnitParameterUnit_Rate = 7
+ kAudioUnitParameterUnit_Hertz = 8
+ kAudioUnitParameterUnit_Cents = 9
+ kAudioUnitParameterUnit_RelativeSemiTones = 10
+ kAudioUnitParameterUnit_MIDINoteNumber = 11
+ kAudioUnitParameterUnit_MIDIController = 12
+ kAudioUnitParameterUnit_Decibels = 13
+ kAudioUnitParameterUnit_LinearGain = 14
+ kAudioUnitParameterUnit_Degrees = 15
+ kAudioUnitParameterUnit_EqualPowerCrossfade = 16
+ kAudioUnitParameterUnit_MixerFaderCurve1 = 17
+ kAudioUnitParameterUnit_Pan = 18
+ kAudioUnitParameterUnit_Meters = 19
+ kAudioUnitParameterUnit_AbsoluteCents = 20
+ kAudioUnitParameterUnit_Octaves = 21
+ kAudioUnitParameterUnit_BPM = 22
+ kAudioUnitParameterUnit_Beats = 23
+ kAudioUnitParameterUnit_Milliseconds = 24
+ kAudioUnitParameterUnit_Ratio = 25
+ */
+
+ /* info.flags to consider */
+
+ /*
+
+ kAudioUnitParameterFlag_CFNameRelease = (1L << 4)
+ kAudioUnitParameterFlag_HasClump = (1L << 20)
+ kAudioUnitParameterFlag_HasName = (1L << 21)
+ kAudioUnitParameterFlag_DisplayLogarithmic = (1L << 22)
+ kAudioUnitParameterFlag_IsHighResolution = (1L << 23)
+ kAudioUnitParameterFlag_NonRealTime = (1L << 24)
+ kAudioUnitParameterFlag_CanRamp = (1L << 25)
+ kAudioUnitParameterFlag_ExpertMode = (1L << 26)
+ kAudioUnitParameterFlag_HasCFNameString = (1L << 27)
+ kAudioUnitParameterFlag_IsGlobalMeta = (1L << 28)
+ kAudioUnitParameterFlag_IsElementMeta = (1L << 29)
+ kAudioUnitParameterFlag_IsReadable = (1L << 30)
+ kAudioUnitParameterFlag_IsWritable = (1L << 31)
+ */
+
+ d.lower = info.minValue;
+ d.upper = info.maxValue;
+ d.default_value = info.defaultValue;
+
+ d.integer_step = (info.unit & kAudioUnitParameterUnit_Indexed);
+ d.toggled = (info.unit & kAudioUnitParameterUnit_Boolean) ||
+ (d.integer_step && ((d.upper - d.lower) == 1.0));
+ d.sr_dependent = (info.unit & kAudioUnitParameterUnit_SampleFrames);
+ d.automatable = !d.toggled &&
+ !(info.flags & kAudioUnitParameterFlag_NonRealTime) &&
+ (info.flags & kAudioUnitParameterFlag_IsWritable);
+
+ d.logarithmic = (info.flags & kAudioUnitParameterFlag_DisplayLogarithmic);
+ d.unit = info.unit;
+
+ d.step = 1.0;
+ d.smallstep = 0.1;
+ d.largestep = 10.0;
+ d.min_unbound = 0; // lower is bound
+ d.max_unbound = 0; // upper is bound
+
+ descriptors.push_back (d);
+ }
}
}
+
string
AUPlugin::unique_id () const
{
uint32_t
AUPlugin::parameter_count () const
{
- return 0;
+ return descriptors.size();
}
float
AUPlugin::default_value (uint32_t port)
{
- // AudioUnits don't have default values. Maybe presets though?
+ if (port < descriptors.size()) {
+ return descriptors[port].default_value;
+ }
+
return 0;
}
return _user_latency;
}
- return unit->Latency ();
+ return unit->Latency() * _session.frame_rate();
}
void
AUPlugin::set_parameter (uint32_t which, float val)
{
- // unit->SetParameter (parameter_map[which].first, parameter_map[which].second, 0, val);
+ if (which < descriptors.size()) {
+ const AUParameterDescriptor& d (descriptors[which]);
+ unit->SetParameter (d.id, d.scope, d.element, val);
+ }
}
float
AUPlugin::get_parameter (uint32_t which) const
{
- float outValue = 0.0;
-
- // unit->GetParameter(parameter_map[which].first, parameter_map[which].second, 0, outValue);
-
- return outValue;
+ float val = 0.0;
+ if (which < descriptors.size()) {
+ const AUParameterDescriptor& d (descriptors[which]);
+ unit->GetParameter(d.id, d.scope, d.element, val);
+ }
+ return val;
}
int
-AUPlugin::get_parameter_descriptor (uint32_t which, ParameterDescriptor&) const
+AUPlugin::get_parameter_descriptor (uint32_t which, ParameterDescriptor& pd) const
{
- return 0;
+ if (which < descriptors.size()) {
+ pd = descriptors[which];
+ return 0;
+ }
+ return -1;
}
uint32_t
AUPlugin::nth_parameter (uint32_t which, bool& ok) const
{
+ if (which < descriptors.size()) {
+ ok = true;
+ return which;
+ }
+ ok = false;
return 0;
}
if (!initialized) {
OSErr err;
if ((err = unit->Initialize()) != noErr) {
- error << string_compose (_("AUPlugin: cannot initialize plugin (err = %1)"), err) << endmsg;
+ error << string_compose (_("AUPlugin: %1 cannot initialize plugin (err = %2)"), name(), err) << endmsg;
} else {
frames_processed = 0;
initialized = true;
AUPlugin::output_streams() const
{
if (!(format_set & 0x2)) {
- warning << _("AUPlugin: output_streams() called without any format set!") << endmsg;
+ warning << string_compose (_("AUPlugin: %1 output_streams() called without any format set!"), name()) << endmsg;
return 1;
}
+
return streamFormat.mChannelsPerFrame;
}
AUPlugin::automatable() const
{
set<uint32_t> automates;
-
- return automates;
-}
-void
-AUPlugin::store_state (ARDOUR::PluginState&)
-{
-
-}
+ for (uint32_t i = 0; i < descriptors.size(); ++i) {
+ if (descriptors[i].automatable) {
+ automates.insert (i);
+ }
+ }
-void
-AUPlugin::restore_state (ARDOUR::PluginState&)
-{
-
+ return automates;
}
string
-AUPlugin::describe_parameter (uint32_t)
+AUPlugin::describe_parameter (uint32_t param)
{
- return "";
+ return descriptors[param].label;
}
void
-AUPlugin::print_parameter (uint32_t, char*, uint32_t len) const
+AUPlugin::print_parameter (uint32_t param, char* buf, uint32_t len) const
{
-
+ // NameValue stuff here
}
bool
bool
AUPlugin::parameter_is_control (uint32_t) const
{
- return false;
+ return true;
}
bool
AUPluginInfo::discover ()
{
PluginInfoList plugs;
-
+
discover_fx (plugs);
discover_music (plugs);
info->n_inputs = -1;
info->n_outputs = -1;
-
plugs.push_back (info);
comp = FindNextComponent (comp, &desc);
projects / ardour.git / blobdiff