libavcodec/snappy.h
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 /*
  * Snappy module
  * Copyright (c) Luca Barbato
  *
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  * This file is part of FFmpeg.
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  *
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  * FFmpeg is free software; you can redistribute it and/or
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  * 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.
  *
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  * FFmpeg is distributed in the hope that it will be useful,
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  * 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
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  * License along with FFmpeg; if not, write to the Free Software
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  * 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"
 
 /**
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  * Get the uncompressed length of an input buffer compressed using the Snappy
  * algorithm. The GetByteContext is not advanced.
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  *
  * @param gb    input GetByteContext.
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  * @return      A positive length on success, AVERROR otherwise.
  */
  int64_t ff_snappy_peek_uncompressed_length(GetByteContext *gb);
 
 /**
  * Decompress an input buffer using Snappy algorithm.
  *
  * @param gb    input GetByteContext.
  * @param buf   input buffer pointer.
  * @param size  input/output on input, the size of buffer, on output, the size
  *              of the uncompressed data.
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  * @return      0 if success, AVERROR otherwise.
  */
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 int ff_snappy_uncompress(GetByteContext *gb, uint8_t *buf, int64_t *size);
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 #endif /* AVCODEC_SNAPPY_H */