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042f9d62ca
* qatar/master: configure: Automatically add more flags required on symbian mem.h: switch doxygen parameter order to match function prototype doxygen: replace @sa tag by the more readable but equivalent @see doxygen: use Doxygen markup for authors and web links where appropriate doxygen: do not include license boilerplate in Doxygen documentation ac3enc: Mark AVClasses const ffserver: Replace two loops with one loop. ffmpeg: Fix the check for experimental codecs swscale: extend mmx padding. swscale: clip unscaled colorspace conversion path. doxygen: misc consistency cosmetics doc: remove file name from @file directive in Doxygen usage example doxygen: consistently place brief description doxygen: place empty line between brief description and detailed description avformat_open_input(): Add braces to shut up gcc warning. Conflicts: libavcodec/8svx.c libavcodec/tiff.c libavcodec/tiff.h libavcodec/vaapi_h264.c libavcodec/vorbis.c libavcodec/vorbisdec.c libavcodec/vp6.c libswscale/swscale_unscaled.c libswscale/utils.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
/*
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* Copyright (C) 2007 Aurelien Jacobs <aurel@gnuage.org>
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*
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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
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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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
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* 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
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*/
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/**
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* @file
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* huffman tree builder and VLC generator
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*/
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#ifndef AVCODEC_HUFFMAN_H
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#define AVCODEC_HUFFMAN_H
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#include "avcodec.h"
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#include "get_bits.h"
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typedef struct {
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int16_t sym;
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int16_t n0;
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uint32_t count;
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} Node;
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#define FF_HUFFMAN_FLAG_HNODE_FIRST 0x01
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#define FF_HUFFMAN_FLAG_ZERO_COUNT 0x02
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typedef int (*HuffCmp)(const void *va, const void *vb);
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int ff_huff_build_tree(AVCodecContext *avctx, VLC *vlc, int nb_codes,
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Node *nodes, HuffCmp cmp, int flags);
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#endif /* AVCODEC_HUFFMAN_H */
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