vorbis_parser.c | Explore in Territory

/*
 * Copyright (c) 2012 Justin Ruggles
 *
 * 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
 * Vorbis audio parser
 *
 * Determines the duration for each packet.
 */

#include "config_components.h"

#include "libavutil/log.h"
#include "libavutil/mem.h"

#include "get_bits.h"
#include "xiph.h"
#include "vorbis_parser_internal.h"

static const AVClass vorbis_parser_class = …;

static int parse_id_header(AVVorbisParseContext *s,
                           const uint8_t *buf, int buf_size)
{ … }

static int parse_setup_header(AVVorbisParseContext *s,
                              const uint8_t *buf, int buf_size)
{ … }

static int vorbis_parse_init(AVVorbisParseContext *s,
                             const uint8_t *extradata, int extradata_size)
{ … }

int av_vorbis_parse_frame_flags(AVVorbisParseContext *s, const uint8_t *buf,
                                int buf_size, int *flags)
{ … }

int av_vorbis_parse_frame(AVVorbisParseContext *s, const uint8_t *buf,
                          int buf_size)
{ … }

void av_vorbis_parse_reset(AVVorbisParseContext *s)
{ … }

void av_vorbis_parse_free(AVVorbisParseContext **s)
{ … }

AVVorbisParseContext *av_vorbis_parse_init(const uint8_t *extradata,
                                           int extradata_size)
{ … }

#if CONFIG_VORBIS_PARSER

VorbisParseContext;

static int vorbis_parse(AVCodecParserContext *s1, AVCodecContext *avctx,
                        const uint8_t **poutbuf, int *poutbuf_size,
                        const uint8_t *buf, int buf_size)
{ … }

static void vorbis_parser_close(AVCodecParserContext *ctx)
{ … }

const AVCodecParser ff_vorbis_parser = …;
#endif /* CONFIG_VORBIS_PARSER */
chromium/third_party/ffmpeg/libavcodec/vorbis_parser.c
