libavcodec/huffman.h File Reference

huffman tree builder and VLC generator Copyright (C) 2007 Aurelien Jacobs <aurel@gnuage.org> More...

#include "avcodec.h"
#include "bitstream.h"

Go to the source code of this file.

Data Structures
struct	Node
Typedefs
typedef int(*	huff_cmp_t )(const void *va, const void *vb)
Functions
int	ff_huff_build_tree (AVCodecContext *avctx, VLC *vlc, int nb_codes, Node *nodes, huff_cmp_t cmp, int hnode_first)
	nodes size must be 2*nb_codes first nb_codes nodes.count must be set

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Detailed Description

huffman tree builder and VLC generator Copyright (C) 2007 Aurelien Jacobs <aurel@gnuage.org>

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

Definition in file huffman.h.

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Typedef Documentation

typedef int(* huff_cmp_t)(const void *va, const void *vb)

Definition at line 35 of file huffman.h.

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Function Documentation

int ff_huff_build_tree	(	AVCodecContext *	avctx,
		VLC *	vlc,
		int	nb_codes,
		Node *	nodes,
		huff_cmp_t	cmp,
		int	hnode_first
	)

nodes size must be 2*nb_codes first nb_codes nodes.count must be set

Definition at line 66 of file huffman.c.

Referenced by fraps2_decode_plane(), and vp6_build_huff_tree().