buffer.h

См. документацию.

/*
 * This file is part of FFmpeg.
 *
 * FFmpeg 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.
 *
 * FFmpeg 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 FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */
 
#ifndef AVUTIL_BUFFER_H
#define AVUTIL_BUFFER_H
 
#include <stdint.h>
 
typedef struct AVBuffer AVBuffer;
 
typedef struct AVBufferRef {
    AVBuffer *buffer;
 
    uint8_t *data;
    int      size;
} AVBufferRef;
 
AVBufferRef *av_buffer_alloc(int size);
 
AVBufferRef *av_buffer_allocz(int size);
 
#define AV_BUFFER_FLAG_READONLY (1 << 0)
 
AVBufferRef *av_buffer_create(uint8_t *data, int size,
                              void (*free)(void *opaque, uint8_t *data),
                              void *opaque, int flags);
 
void av_buffer_default_free(void *opaque, uint8_t *data);
 
AVBufferRef *av_buffer_ref(AVBufferRef *buf);
 
void av_buffer_unref(AVBufferRef **buf);
 
int av_buffer_is_writable(const AVBufferRef *buf);
 
void *av_buffer_get_opaque(const AVBufferRef *buf);
 
int av_buffer_get_ref_count(const AVBufferRef *buf);
 
int av_buffer_make_writable(AVBufferRef **buf);
 
int av_buffer_realloc(AVBufferRef **buf, int size);
 
typedef struct AVBufferPool AVBufferPool;
 
AVBufferPool *av_buffer_pool_init(int size, AVBufferRef* (*alloc)(int size));
 
AVBufferPool *av_buffer_pool_init2(int size, void *opaque,
                                   AVBufferRef* (*alloc)(void *opaque, int size),
                                   void (*pool_free)(void *opaque));
 
void av_buffer_pool_uninit(AVBufferPool **pool);
 
AVBufferRef *av_buffer_pool_get(AVBufferPool *pool);
 
#endif /* AVUTIL_BUFFER_H */