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__
31 #include <ardour/plugin.h>
33 #include <AudioUnit/AudioUnit.h>
35 #include <boost/shared_ptr.hpp>
39 class CAComponentDescription;
40 struct AudioBufferList;
47 class AUPlugin : public ARDOUR::Plugin
50 AUPlugin (AudioEngine& engine, Session& session, CAComponent* comp);
53 std::string unique_id () const;
54 const char * label () const;
55 const char * name () const { return _info->name.c_str(); }
56 const char * maker () const { return _info->creator.c_str(); }
57 uint32_t parameter_count () const;
58 float default_value (uint32_t port);
59 nframes_t latency () const;
60 void set_parameter (uint32_t which, float val);
61 float get_parameter (uint32_t which) const;
63 int get_parameter_descriptor (uint32_t which, ParameterDescriptor&) const;
64 uint32_t nth_parameter (uint32_t which, bool& ok) const;
67 void set_block_size (nframes_t nframes);
69 int connect_and_run (vector<Sample*>& bufs, uint32_t maxbuf, int32_t& in, int32_t& out, nframes_t nframes, nframes_t offset);
70 std::set<uint32_t> automatable() const;
71 string describe_parameter (uint32_t);
72 string state_node_name () const { return "audiounit"; }
73 void print_parameter (uint32_t, char*, uint32_t len) const;
75 bool parameter_is_audio (uint32_t) const;
76 bool parameter_is_control (uint32_t) const;
77 bool parameter_is_input (uint32_t) const;
78 bool parameter_is_output (uint32_t) const;
81 int set_state(const XMLNode& node);
83 bool save_preset (string name);
84 bool load_preset (const string preset_label);
85 std::vector<std::string> get_presets ();
87 bool has_editor () const;
89 bool fixed_io() const { return false; }
90 int32_t can_support_input_configuration (int32_t in);
91 int32_t compute_output_streams (int32_t nplugins);
92 uint32_t output_streams() const;
93 uint32_t input_streams() const;
95 CAAudioUnit* get_au () { return unit; }
96 CAComponent* get_comp () { return comp; }
98 OSStatus render_callback(AudioUnitRenderActionFlags *ioActionFlags,
99 const AudioTimeStamp *inTimeStamp,
101 UInt32 inNumberFrames,
102 AudioBufferList* ioData);
107 AudioStreamBasicDescription streamFormat;
109 AudioBufferList* buffers;
111 UInt32 global_elements;
112 UInt32 output_elements;
113 UInt32 input_elements;
115 int set_output_format ();
116 int set_input_format ();
117 int set_stream_format (int scope, uint32_t cnt);
118 int _set_block_size (nframes_t nframes);
120 std::vector<std::pair<uint32_t, uint32_t> > parameter_map;
121 uint32_t current_maxbuf;
122 nframes_t current_offset;
124 vector<Sample*>* current_buffers;
125 nframes_t frames_processed;
128 typedef boost::shared_ptr<AUPlugin> AUPluginPtr;
130 class AUPluginInfo : public PluginInfo {
132 AUPluginInfo (CAComponentDescription*);
135 PluginPtr load (Session& session);
137 static PluginInfoList discover ();
138 static void get_names (CAComponentDescription&, std::string& name, Glib::ustring& maker);
139 static std::string stringify_descriptor (const CAComponentDescription&);
142 CAComponentDescription* descriptor;
143 static void discover_music (PluginInfoList&);
144 static void discover_fx (PluginInfoList&);
145 static void discover_by_description (PluginInfoList&, CAComponentDescription&);
148 typedef boost::shared_ptr<AUPluginInfo> AUPluginInfoPtr;
150 } // namespace ARDOUR
152 #endif // __ardour_audio_unit_h__