snappy.h File Reference

Snappy decompression. More...

#include <stdint.h>
#include "bytestream.h"

Go to the source code of this file.

Functions
int64_t	ff_snappy_peek_uncompressed_length (GetByteContext *gb)
	Get the uncompressed length of an input buffer compressed using the Snappy algorithm. More...
int	ff_snappy_uncompress (GetByteContext *gb, uint8_t *buf, int64_t *size)
	Decompress an input buffer using Snappy algorithm. More...

Detailed Description

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

Definition in file snappy.h.

Function Documentation

ff_snappy_peek_uncompressed_length()

int64_t ff_snappy_peek_uncompressed_length

(

GetByteContext *

gb

)

Get the uncompressed length of an input buffer compressed using the Snappy algorithm.

The GetByteContext is not advanced.

Parameters

gb	input GetByteContext.

Returns

A positive length on success, AVERROR otherwise.

Definition at line 131 of file snappy.c.

Referenced by hap_parse_frame_header().

ff_snappy_uncompress()

int ff_snappy_uncompress	(	GetByteContext *	gb,
		uint8_t *	buf,
		int64_t *	size
	)

Decompress an input buffer using Snappy algorithm.

Parameters

gb	input GetByteContext.
buf	input buffer pointer.
size	input/output on input, the size of buffer, on output, the size of the uncompressed data.

Returns

0 if success, AVERROR otherwise.

Definition at line 141 of file snappy.c.

Referenced by decompress_chunks_thread().