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ffmpeg / libavcodec / aac_ac3_parser.h @ 2912e87a

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/*
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 * Common AAC and AC-3 parser prototypes
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 * Copyright (c) 2003 Fabrice Bellard
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 * Copyright (c) 2003 Michael Niedermayer
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 *
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 * This file is part of Libav.
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 *
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 * Libav 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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 * Libav 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 Libav; 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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#ifndef AVCODEC_AAC_AC3_PARSER_H
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#define AVCODEC_AAC_AC3_PARSER_H
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#include <stdint.h>
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#include "avcodec.h"
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#include "parser.h"
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typedef enum {
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    AAC_AC3_PARSE_ERROR_SYNC        = -1,
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    AAC_AC3_PARSE_ERROR_BSID        = -2,
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    AAC_AC3_PARSE_ERROR_SAMPLE_RATE = -3,
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    AAC_AC3_PARSE_ERROR_FRAME_SIZE  = -4,
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    AAC_AC3_PARSE_ERROR_FRAME_TYPE  = -5,
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    AAC_AC3_PARSE_ERROR_CRC         = -6,
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    AAC_AC3_PARSE_ERROR_CHANNEL_CFG = -7,
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} AACAC3ParseError;
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typedef struct AACAC3ParseContext {
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    ParseContext pc;
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    int frame_size;
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    int header_size;
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    int (*sync)(uint64_t state, struct AACAC3ParseContext *hdr_info,
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            int *need_next_header, int *new_frame_start);
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    int channels;
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    int sample_rate;
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    int bit_rate;
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    int samples;
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    int64_t channel_layout;
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    int remaining_size;
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    uint64_t state;
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    int need_next_header;
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    enum CodecID codec_id;
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} AACAC3ParseContext;
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int ff_aac_ac3_parse(AVCodecParserContext *s1,
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                     AVCodecContext *avctx,
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                     const uint8_t **poutbuf, int *poutbuf_size,
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                     const uint8_t *buf, int buf_size);
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#endif /* AVCODEC_AAC_AC3_PARSER_H */