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Diffstat (limited to 'ffmpeg1/libavutil/buffer_internal.h')
| -rw-r--r-- | ffmpeg1/libavutil/buffer_internal.h | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/ffmpeg1/libavutil/buffer_internal.h b/ffmpeg1/libavutil/buffer_internal.h deleted file mode 100644 index c291908..0000000 --- a/ffmpeg1/libavutil/buffer_internal.h +++ /dev/null @@ -1,94 +0,0 @@ -/* - * 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_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; -}; - -typedef struct BufferPoolEntry { - uint8_t *data; - - /* - * Backups of the original opaque/free of the AVBuffer corresponding to - * data. They will be used to free the buffer when the pool is freed. - */ - void *opaque; - void (*free)(void *opaque, uint8_t *data); - - AVBufferPool *pool; - struct BufferPoolEntry * volatile next; -} BufferPoolEntry; - -struct AVBufferPool { - BufferPoolEntry * volatile pool; - - /* - * This is used to track when the pool is to be freed. - * The pointer to the pool itself held by the caller is considered to - * be one reference. Each buffer requested by the caller increases refcount - * by one, returning the buffer to the pool decreases it by one. - * refcount reaches zero when the buffer has been uninited AND all the - * buffers have been released, then it's safe to free the pool and all - * the buffers in it. - */ - volatile int refcount; - - volatile int nb_allocated; - - int size; - AVBufferRef* (*alloc)(int size); -}; - -#endif /* AVUTIL_BUFFER_INTERNAL_H */ |
