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-/*
- LV2 Data Access Extension
- Copyright 2008-2011 David Robillard <http://drobilla.net>
-
- Permission to use, copy, modify, and/or distribute this software for any
- purpose with or without fee is hereby granted, provided that the above
- copyright notice and this permission notice appear in all copies.
-
- THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-*/
-
-/**
- @file data-access.h
- C header for the LV2 Extension Data extension
- <http://lv2plug.in/ns/ext/data-access>.
-
- This extension defines a method for (e.g.) plugin UIs to have (possibly
- marshalled) access to the extension_data function on a plugin instance.
-*/
-
-#ifndef LV2_DATA_ACCESS_H
-#define LV2_DATA_ACCESS_H
-
-#define LV2_DATA_ACCESS_URI "http://lv2plug.in/ns/ext/data-access"
-
-/**
- The data field of the LV2_Feature for this extension.
-
- To support this feature the host must pass an LV2_Feature struct to the
- instantiate method with URI "http://lv2plug.in/ns/ext/data-access"
- and data pointed to an instance of this struct.
-*/
-typedef struct {
- /**
- A pointer to a method the UI can call to get data (of a type specified
- by some other extension) from the plugin.
-
- This call never is never guaranteed to return anything, UIs should
- degrade gracefully if direct access to the plugin data is not possible
- (in which case this function will return NULL).
-
- This is for access to large data that can only possibly work if the UI
- and plugin are running in the same process. For all other things, use
- the normal LV2 UI communication system.
- */
- const void* (*data_access)(const char* uri);
-
-} LV2_Extension_Data_Feature;
-
-#endif /* LV2_DATA_ACCESS_H */