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https://github.com/FFmpeg/FFmpeg.git
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ecd71916d1
The new code is analog to how it's done in our mpegaudio parser. Acked-by: Jun Zhao <barryjzhao@tencent.com> Signed-off-by: Alexander Strasser <eclipse7@gmx.net>
68 lines
2.1 KiB
C
68 lines
2.1 KiB
C
/*
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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 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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#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 = -0x1030c0a,
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AAC_AC3_PARSE_ERROR_BSID = -0x2030c0a,
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AAC_AC3_PARSE_ERROR_SAMPLE_RATE = -0x3030c0a,
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AAC_AC3_PARSE_ERROR_FRAME_SIZE = -0x4030c0a,
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AAC_AC3_PARSE_ERROR_FRAME_TYPE = -0x5030c0a,
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AAC_AC3_PARSE_ERROR_CRC = -0x6030c0a,
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AAC_AC3_PARSE_ERROR_CHANNEL_CFG = -0x7030c0a,
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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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uint64_t channel_layout;
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int service_type;
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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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int frame_number;
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enum AVCodecID 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 */
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