ffmpeg/libavcodec/snappy.h

52 lines
1.5 KiB
C

/*
* Snappy module
* Copyright (c) Luca Barbato
*
* 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
*/
/**
* @file
* Snappy decompression
*
* Snappy is a compression/decompression algorithm that does not aim for
* maximum compression, but rather for very high speeds and reasonable
* compression.
*
* http://en.wikipedia.org/wiki/Snappy_%28software%29
*/
#ifndef AVCODEC_SNAPPY_H
#define AVCODEC_SNAPPY_H
#include <stdint.h>
#include "bytestream.h"
/**
* Decompress an input buffer using Snappy algorithm. Caller is
* responsible of freeing the memory allocated in buf.
*
* @param gb input GetByteContext.
* @param buf output buffer pointer.
* @param size output buffer size.
* @return 0 if success, AVERROR otherwise.
*/
int ff_snappy_uncompress(GetByteContext *gb, uint8_t **buf, int64_t *size);
#endif /* AVCODEC_SNAPPY_H */