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/*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_BUFFER_INTERNAL_H
#define AVUTIL_BUFFER_INTERNAL_H
#include <stdint.h>
#include "buffer.h"
/**
* The buffer is always treated as read-only.
*/
#define BUFFER_FLAG_READONLY (1 << 0)
/**
* The buffer was av_realloc()ed, so it is reallocatable.
*/
#define BUFFER_FLAG_REALLOCATABLE (1 << 1)
struct AVBuffer {
uint8_t *data; /**< data described by this buffer */
int size; /**< size of data in bytes */
/**
* number of existing AVBufferRef instances referring to this buffer
*/
volatile int refcount;
/**
* a callback for freeing the data
*/
void (*free)(void *opaque, uint8_t *data);
/**
* an opaque pointer, to be used by the freeing callback
*/
void *opaque;
/**
* A combination of BUFFER_FLAG_*
*/
int flags;
};
#endif /* AVUTIL_BUFFER_INTERNAL_H */
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