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/* LV2 Resize Port Extension
* Copyright (C) 2007-2009 David Robillard <http://drobilla.net>
*
* This header is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This header is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef LV2_RESIZE_PORT_H
#define LV2_RESIZE_PORT_H
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#define LV2_RESIZE_PORT_URI "http://lv2plug.in/ns/ext/resize-port"
typedef void* LV2_Resize_Port_Feature_Data;
typedef struct {
LV2_Resize_Port_Feature_Data data;
/** Resize a port buffer to at least @a size bytes.
*
* This function MAY return false, in which case the port buffer was
* not resized and the port is still connected to the same location.
* Plugins MUST gracefully handle this situation.
*
* This function MUST NOT be called from any context other than
* the context associated with the port of the given index.
*
* The host MUST preserve the contents of the port buffer when
* resizing.
*
* Plugins MAY resize a port many times in a single run callback.
* Hosts SHOULD make this an inexpensive as possible (i.e. plugins
* can liberally use this function in a similar way to realloc).
*/
bool (*resize_port)(LV2_Resize_Port_Feature_Data data,
uint32_t index,
size_t size);
} LV2_Resize_Port_Feature;
#endif /* LV2_RESIZE_PORT_H */
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