2 Copyright (C) 2006 Paul Davis
3 Written by Taybin Rutkin
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #ifndef __ardour_audio_unit_h__
22 #define __ardour_audio_unit_h__
25 #include <boost/shared_ptr.hpp>
32 #include <ardour/plugin.h>
34 #include <AudioUnit/AudioUnit.h>
36 #include <boost/shared_ptr.hpp>
40 class CAComponentDescription;
41 struct AudioBufferList;
48 class AUPlugin : public ARDOUR::Plugin
51 AUPlugin (AudioEngine& engine, Session& session, boost::shared_ptr<CAComponent> comp);
54 std::string unique_id () const;
55 const char * label () const;
56 const char * name () const { return _info->name.c_str(); }
57 const char * maker () const { return _info->creator.c_str(); }
58 uint32_t parameter_count () const;
59 float default_value (uint32_t port);
60 nframes_t latency () const;
61 void set_parameter (uint32_t which, float val);
62 float get_parameter (uint32_t which) const;
64 int get_parameter_descriptor (uint32_t which, ParameterDescriptor&) const;
65 uint32_t nth_parameter (uint32_t which, bool& ok) const;
68 void set_block_size (nframes_t nframes);
70 int connect_and_run (vector<Sample*>& bufs, uint32_t maxbuf, int32_t& in, int32_t& out, nframes_t nframes, nframes_t offset);
71 std::set<uint32_t> automatable() const;
72 string describe_parameter (uint32_t);
73 string state_node_name () const { return "audiounit"; }
74 void print_parameter (uint32_t, char*, uint32_t len) const;
76 bool parameter_is_audio (uint32_t) const;
77 bool parameter_is_control (uint32_t) const;
78 bool parameter_is_input (uint32_t) const;
79 bool parameter_is_output (uint32_t) const;
82 int set_state(const XMLNode& node);
84 bool save_preset (string name);
85 bool load_preset (const string preset_label);
86 std::vector<std::string> get_presets ();
88 bool has_editor () const;
90 bool fixed_io() const { return false; }
91 int32_t can_support_input_configuration (int32_t in);
92 int32_t compute_output_streams (int32_t nplugins);
93 uint32_t output_streams() const;
94 uint32_t input_streams() const;
96 boost::shared_ptr<CAAudioUnit> get_au () { return unit; }
97 boost::shared_ptr<CAComponent> get_comp () { return comp; }
99 OSStatus render_callback(AudioUnitRenderActionFlags *ioActionFlags,
100 const AudioTimeStamp *inTimeStamp,
102 UInt32 inNumberFrames,
103 AudioBufferList* ioData);
105 boost::shared_ptr<CAComponent> comp;
106 boost::shared_ptr<CAAudioUnit> unit;
108 AudioStreamBasicDescription streamFormat;
111 AudioBufferList* buffers;
113 UInt32 global_elements;
114 UInt32 output_elements;
115 UInt32 input_elements;
117 int set_output_format ();
118 int set_input_format ();
119 int set_stream_format (int scope, uint32_t cnt);
120 int _set_block_size (nframes_t nframes);
122 std::vector<std::pair<uint32_t, uint32_t> > parameter_map;
123 uint32_t current_maxbuf;
124 nframes_t current_offset;
126 vector<Sample*>* current_buffers;
127 nframes_t frames_processed;
130 typedef boost::shared_ptr<AUPlugin> AUPluginPtr;
132 class AUPluginInfo : public PluginInfo {
134 AUPluginInfo (boost::shared_ptr<CAComponentDescription>);
137 PluginPtr load (Session& session);
139 static PluginInfoList discover ();
140 static void get_names (CAComponentDescription&, std::string& name, Glib::ustring& maker);
141 static std::string stringify_descriptor (const CAComponentDescription&);
144 boost::shared_ptr<CAComponentDescription> descriptor;
146 static void discover_music (PluginInfoList&);
147 static void discover_fx (PluginInfoList&);
148 static void discover_by_description (PluginInfoList&, CAComponentDescription&);
151 typedef boost::shared_ptr<AUPluginInfo> AUPluginInfoPtr;
153 } // namespace ARDOUR
155 #endif // __ardour_audio_unit_h__