2 Copyright 2016 Robin Gareus <robin@gareus.org>
4 Permission to use, copy, modify, and/or distribute this software for any
5 purpose with or without fee is hereby granted, provided that the above
6 copyright notice and this permission notice appear in all copies.
8 THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 #ifndef _ardour_lv2_extensions_h_
18 #define _ardour_lv2_extensions_h_
20 #include "lv2/lv2plug.in/ns/lv2core/lv2.h"
23 @defgroup inlinedisplay Inline-Display
25 Support for displaying a miniaturized generic view
26 directly in the host's Mixer Window.
31 #define LV2_INLINEDISPLAY_URI "http://harrisonconsoles.com/lv2/inlinedisplay"
32 #define LV2_INLINEDISPLAY_PREFIX LV2_INLINEDISPLAY_URI "#"
33 #define LV2_INLINEDISPLAY__interface LV2_INLINEDISPLAY_PREFIX "interface"
34 #define LV2_INLINEDISPLAY__queue_draw LV2_INLINEDISPLAY_PREFIX "queue_draw"
35 #define LV2_INLINEDISPLAY__in_gui LV2_INLINEDISPLAY_PREFIX "in_gui"
37 /** Opaque handle for LV2_Inline_Display::queue_draw() */
38 typedef void* LV2_Inline_Display_Handle;
40 /** raw image pixmap format is ARGB32,
41 * the data pointer is owned by the plugin and must be valid
42 * from the first call to render until cleanup.
49 } LV2_Inline_Display_Image_Surface;
51 /** a LV2 Feature provided by the Host to the plugin */
53 /** Opaque host data */
54 LV2_Inline_Display_Handle handle;
55 /** Request from run() that the host should call render() at a later time
56 * to update the inline display */
57 void (*queue_draw)(LV2_Inline_Display_Handle handle);
61 * Plugin Inline-Display Interface.
65 * The render method. This is called by the host in a non-realtime context,
66 * usually the main GUI thread.
67 * The data pointer is owned by the plugin and must be valid
68 * from the first call to render until cleanup.
70 * @param instance The LV2 instance
71 * @param w the max available width
72 * @param h the max available height
73 * @return pointer to a LV2_Inline_Display_Image_Surface or NULL
75 LV2_Inline_Display_Image_Surface* (*render)(LV2_Handle instance, uint32_t w, uint32_t h);
76 } LV2_Inline_Display_Interface;
83 @defgroup automate Self-Automation
85 Support for plugins to write automation data via Atom Events
90 #define LV2_AUTOMATE_URI "http://ardour.org/lv2/automate"
91 #define LV2_AUTOMATE_URI_PREFIX LV2_AUTOMATE_URI "#"
92 /** an lv2:optionalFeature */
93 #define LV2_AUTOMATE_URI__can_write LV2_AUTOMATE_URI_PREFIX "canWriteAutomatation"
95 #define LV2_AUTOMATE_URI__control LV2_AUTOMATE_URI_PREFIX "automationControl"
96 /** lv2:portProperty */
97 #define LV2_AUTOMATE_URI__controlled LV2_AUTOMATE_URI_PREFIX "automationControlled"
98 #define LV2_AUTOMATE_URI__controller LV2_AUTOMATE_URI_PREFIX "automationController"
101 #define LV2_AUTOMATE_URI__event LV2_AUTOMATE_URI_PREFIX "event"
102 #define LV2_AUTOMATE_URI__setup LV2_AUTOMATE_URI_PREFIX "setup"
103 #define LV2_AUTOMATE_URI__finalize LV2_AUTOMATE_URI_PREFIX "finalize"
104 #define LV2_AUTOMATE_URI__start LV2_AUTOMATE_URI_PREFIX "start"
105 #define LV2_AUTOMATE_URI__end LV2_AUTOMATE_URI_PREFIX "end"
106 #define LV2_AUTOMATE_URI__parameter LV2_AUTOMATE_URI_PREFIX "parameter"
107 #define LV2_AUTOMATE_URI__value LV2_AUTOMATE_URI_PREFIX "value"
114 @defgroup license License-Report
116 Allow for commercial LV2 to report their
122 #define LV2_PLUGINLICENSE_URI "http://harrisonconsoles.com/lv2/license"
123 #define LV2_PLUGINLICENSE_PREFIX LV2_PLUGINLICENSE_URI "#"
124 #define LV2_PLUGINLICENSE__interface LV2_PLUGINLICENSE_PREFIX "interface"
125 #define LV2_PLUGINLICENSE__interface2 LV2_PLUGINLICENSE_PREFIX "interface2"
128 typedef struct _LV2_License_Interface {
129 /* @return -1 if no license is needed; 0 if unlicensed, 1 if licensed */
130 int (*is_licensed)(LV2_Handle instance);
131 /* @return a string copy of the licensee name if licensed, or NULL, the caller needs to free this */
132 char* (*licensee)(LV2_Handle instance);
133 /* @return a URI identifying the plugin-bundle or plugin for which a given license is valid */
134 const char* (*product_uri)(LV2_Handle instance);
135 /* @return human readable product name for the URI */
136 const char* (*product_name)(LV2_Handle instance);
137 /* @return link to website or webstore */
138 const char* (*store_url)(LV2_Handle instance);
139 /* interface2 ext: preferred location to install the license file, the caller needs to free this */
140 char* (*preferred_license_file_path)(LV2_Handle instance);
141 /* interface2 ext: currently used license file (if any, may be NULL), the caller needs to free this */
142 char* (*current_license_file_path)(LV2_Handle instance);
143 /* interface2 ext: free() allocated strings (licensee, license_file_paths) */
145 } LV2_License_Interface;
152 @defgroup plugin provided bypass
154 A port with the designation "processing#enable" must
155 control a plugin's internal bypass mode.
157 If the port value is larger than zero the plugin processes
160 If the port value is zero, the plugin is expected to bypass
161 all signals unmodified.
163 The plugin is responsible for providing a click-free transition
166 (values less than zero are reserved for future use:
167 e.g click-free insert/removal of latent plugins.
168 Generally values <= 0 are to be treated as bypassed.)
170 lv2:designation <http://ardour.org/lv2/processing#enable> ;
175 #define LV2_PROCESSING_URI "http://ardour.org/lv2/processing"
176 #define LV2_PROCESSING_URI_PREFIX LV2_PROCESSING_URI "#"
177 #define LV2_PROCESSING_URI__enable LV2_PROCESSING_URI_PREFIX "enable"
184 @defgroup midnam MIDI Naming
190 #define LV2_MIDNAM_URI "http://ardour.org/lv2/midnam"
191 #define LV2_MIDNAM_PREFIX LV2_MIDNAM_URI "#"
192 #define LV2_MIDNAM__interface LV2_MIDNAM_PREFIX "interface"
193 #define LV2_MIDNAM__update LV2_MIDNAM_PREFIX "update"
195 typedef void* LV2_Midnam_Handle;
197 /** a LV2 Feature provided by the Host to the plugin */
199 /** Opaque host data */
200 LV2_Midnam_Handle handle;
201 /** Request from run() that the host should re-read the midnam */
202 void (*update)(LV2_Midnam_Handle handle);
206 /** Query midnam document. The plugin
207 * is expected to return a null-terminated XML
208 * text which is a valid midnam desciption
209 * (or NULL in case of error).
211 * The midnam <Model> must be unique and
212 * specific for the given plugin-instance.
214 char* (*midnam)(LV2_Handle instance);
216 /** The unique model id used ith the midnam,
219 char* (*model)(LV2_Handle instance);
221 /** free allocated strings. The host
222 * calls this for every value returned by
223 * \ref midnam and \ref model.
226 } LV2_Midnam_Interface;
239 #define LV2_BANKPATCH_URI "http://ardour.org/lv2/bankpatch"
240 #define LV2_BANKPATCH_PREFIX LV2_BANKPATCH_URI "#"
241 #define LV2_BANKPATCH__notify LV2_BANKPATCH_PREFIX "notify"
243 typedef void* LV2_BankPatch_Handle;
245 /** a LV2 Feature provided by the Host to the plugin */
247 /** Opaque host data */
248 LV2_BankPatch_Handle handle;
249 /** Info from plugin's run(), notify host that bank/program changed */
250 void (*notify)(LV2_BankPatch_Handle handle, uint8_t channel, uint32_t bank, uint8_t pgm);