/*
- Copyright (C) 2006 Paul Davis
- Written by Taybin Rutkin
+ Copyright (C) 2006 Paul Davis
+ Written by Taybin Rutkin
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
#ifndef __ardour_audio_unit_h__
#define __ardour_audio_unit_h__
-#include <ardour/plugin.h>
+#include <stdint.h>
+#include <boost/shared_ptr.hpp>
+
+#include <list>
+#include <set>
+#include <string>
+#include <vector>
+#include <map>
+
+#include "ardour/plugin.h"
+
+#include <AudioUnit/AudioUnit.h>
+#include <AudioUnit/AudioUnitProperties.h>
+#include "appleutility/AUParamInfo.h"
+
+#include <boost/shared_ptr.hpp>
+
+class CAComponent;
+class CAAudioUnit;
+class CAComponentDescription;
+struct AudioBufferList;
namespace ARDOUR {
-class AudioUnit : public ARDOUR::Plugin
+class AudioEngine;
+class Session;
+
+struct AUParameterDescriptor : public Plugin::ParameterDescriptor {
+ // additional fields to make operations more efficient
+ AudioUnitParameterID id;
+ AudioUnitScope scope;
+ AudioUnitElement element;
+ float default_value;
+ bool automatable;
+ AudioUnitParameterUnit unit;
+};
+
+class AUPlugin : public ARDOUR::Plugin
{
-
+ public:
+ AUPlugin (AudioEngine& engine, Session& session, boost::shared_ptr<CAComponent> comp);
+ AUPlugin (const AUPlugin& other);
+ virtual ~AUPlugin ();
+
+ std::string unique_id () const;
+ const char * label () const;
+ const char * name () const { return _info->name.c_str(); }
+ const char * maker () const { return _info->creator.c_str(); }
+ uint32_t parameter_count () const;
+ float default_value (uint32_t port);
+ framecnt_t signal_latency() const;
+ void set_parameter (uint32_t which, float val);
+ float get_parameter (uint32_t which) const;
+
+ int get_parameter_descriptor (uint32_t which, ParameterDescriptor&) const;
+ uint32_t nth_parameter (uint32_t which, bool& ok) const;
+ void activate ();
+ void deactivate ();
+ void flush ();
+ int set_block_size (pframes_t nframes);
+
+ int connect_and_run (BufferSet& bufs,
+ ChanMapping in, ChanMapping out,
+ pframes_t nframes, framecnt_t offset);
+ std::set<Evoral::Parameter> automatable() const;
+ std::string describe_parameter (Evoral::Parameter);
+ std::string state_node_name () const { return "audiounit"; }
+ void print_parameter (uint32_t, char*, uint32_t len) const;
+
+ bool parameter_is_audio (uint32_t) const;
+ bool parameter_is_control (uint32_t) const;
+ bool parameter_is_input (uint32_t) const;
+ bool parameter_is_output (uint32_t) const;
+
+ int set_state(const XMLNode& node, int);
+
+ PresetRecord save_preset (std::string name);
+ bool load_preset (PresetRecord);
+ std::string current_preset() const;
+
+ bool has_editor () const;
+
+ bool reconfigurable_io() const { return true; }
+ bool can_support_io_configuration (const ChanCount& in, ChanCount& out) const;
+ bool configure_io (ChanCount in, ChanCount out);
+ bool requires_fixed_size_buffers() const;
+
+ void set_fixed_size_buffers (bool yn) {
+ _requires_fixed_size_buffers = yn;
+ }
+
+ boost::shared_ptr<CAAudioUnit> get_au () { return unit; }
+ boost::shared_ptr<CAComponent> get_comp () const { return comp; }
+
+ OSStatus render_callback(AudioUnitRenderActionFlags *ioActionFlags,
+ const AudioTimeStamp *inTimeStamp,
+ UInt32 inBusNumber,
+ UInt32 inNumberFrames,
+ AudioBufferList* ioData);
+
+ /* "host" callbacks */
+
+ OSStatus get_beat_and_tempo_callback (Float64* outCurrentBeat,
+ Float64* outCurrentTempo);
+
+ OSStatus get_musical_time_location_callback (UInt32* outDeltaSampleOffsetToNextBeat,
+ Float32* outTimeSig_Numerator,
+ UInt32* outTimeSig_Denominator,
+ Float64* outCurrentMeasureDownBeat);
+
+ OSStatus get_transport_state_callback (Boolean* outIsPlaying,
+ Boolean* outTransportStateChanged,
+ Float64* outCurrentSampleInTimeLine,
+ Boolean* outIsCycling,
+ Float64* outCycleStartBeat,
+ Float64* outCycleEndBeat);
+
+ static std::string maybe_fix_broken_au_id (const std::string&);
+
+ private:
+ void find_presets ();
+
+ boost::shared_ptr<CAComponent> comp;
+ boost::shared_ptr<CAAudioUnit> unit;
+
+ bool initialized;
+ int32_t input_channels;
+ int32_t output_channels;
+ std::vector<std::pair<int,int> > io_configs;
+ pframes_t _current_block_size;
+ framecnt_t _last_nframes;
+ bool _requires_fixed_size_buffers;
+ AudioBufferList* buffers;
+ bool _has_midi_input;
+ bool _has_midi_output;
+
+ /* despite all the cool work that apple did on their AU preset
+ system, they left factory presets and user presets as two
+ entirely different kinds of things, handled by two entirely
+ different parts of the API. Resolve this.
+ */
+
+ /* XXX these two maps should really be shared across all instances of this AUPlugin */
+
+ typedef std::map<std::string,std::string> UserPresetMap;
+ UserPresetMap user_preset_map;
+ typedef std::map<std::string,int> FactoryPresetMap;
+ FactoryPresetMap factory_preset_map;
+
+ UInt32 global_elements;
+ UInt32 output_elements;
+ UInt32 input_elements;
+
+ int set_output_format (AudioStreamBasicDescription&);
+ int set_input_format (AudioStreamBasicDescription&);
+ int set_stream_format (int scope, uint32_t cnt, AudioStreamBasicDescription&);
+ void discover_parameters ();
+ void add_state (XMLNode *) const;
+
+ std::vector<std::pair<uint32_t, uint32_t> > parameter_map;
+ uint32_t current_maxbuf;
+ framecnt_t current_offset;
+ framecnt_t cb_offset;
+ BufferSet* current_buffers;
+ framecnt_t frames_processed;
+
+ std::vector<AUParameterDescriptor> descriptors;
+ void init ();
+
+ void discover_factory_presets ();
+
+ bool last_transport_rolling;
+ float last_transport_speed;
+};
+
+typedef boost::shared_ptr<AUPlugin> AUPluginPtr;
+
+struct AUPluginCachedInfo {
+ std::vector<std::pair<int,int> > io_configs;
};
+class AUPluginInfo : public PluginInfo {
+ public:
+ AUPluginInfo (boost::shared_ptr<CAComponentDescription>);
+ ~AUPluginInfo ();
+
+ PluginPtr load (Session& session);
+
+ bool needs_midi_input ();
+ bool is_effect () const;
+ bool is_effect_without_midi_input () const;
+ bool is_effect_with_midi_input () const;
+ bool is_instrument () const;
+
+ AUPluginCachedInfo cache;
+
+ static PluginInfoList* discover ();
+ static void get_names (CAComponentDescription&, std::string& name, std::string& maker);
+ static std::string stringify_descriptor (const CAComponentDescription&);
+
+ static int load_cached_info ();
+
+ private:
+ boost::shared_ptr<CAComponentDescription> descriptor;
+ UInt32 version;
+
+ static void discover_music (PluginInfoList&);
+ static void discover_fx (PluginInfoList&);
+ static void discover_generators (PluginInfoList&);
+ static void discover_instruments (PluginInfoList&);
+ static void discover_by_description (PluginInfoList&, CAComponentDescription&);
+ static Glib::ustring au_cache_path ();
+
+ typedef std::map<std::string,AUPluginCachedInfo> CachedInfoMap;
+ static CachedInfoMap cached_info;
+
+ static bool cached_io_configuration (const std::string&, UInt32, CAComponent&, AUPluginCachedInfo&, const std::string& name);
+ static void add_cached_info (const std::string&, AUPluginCachedInfo&);
+ static void save_cached_info ();
+};
+
+typedef boost::shared_ptr<AUPluginInfo> AUPluginInfoPtr;
+
} // namespace ARDOUR
-#endif // __ardour_audio_unit_h__
\ No newline at end of file
+#endif // __ardour_audio_unit_h__
projects / ardour.git / blobdiff