/* * Common AAC and AC-3 parser prototypes * Copyright (c) 2003 Fabrice Bellard * Copyright (c) 2003 Michael Niedermayer * * 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 */ #ifndef AVCODEC_AAC_AC3_PARSER_H#define AVCODEC_AAC_AC3_PARSER_H #include <stdint.h>#include "avcodec.h"#include "parser.h" typedef enum {    AAC_AC3_PARSE_ERROR_SYNC        = -0x1030c0a,    AAC_AC3_PARSE_ERROR_BSID        = -0x2030c0a,    AAC_AC3_PARSE_ERROR_SAMPLE_RATE = -0x3030c0a,    AAC_AC3_PARSE_ERROR_FRAME_SIZE  = -0x4030c0a,    AAC_AC3_PARSE_ERROR_FRAME_TYPE  = -0x5030c0a,    AAC_AC3_PARSE_ERROR_CRC         = -0x6030c0a,    AAC_AC3_PARSE_ERROR_CHANNEL_CFG = -0x7030c0a,} AACAC3ParseError; typedef struct AACAC3ParseContext {    ParseContext pc;    int frame_size;    int header_size;    int (*sync)(uint64_t state, struct AACAC3ParseContext *hdr_info,            int *need_next_header, int *new_frame_start);     int channels;    int sample_rate;    int bit_rate;    int samples;    uint64_t channel_layout;    int service_type;     int remaining_size;    uint64_t state;     int need_next_header;    enum AVCodecID codec_id;} AACAC3ParseContext; int ff_aac_ac3_parse(AVCodecParserContext *s1,                     AVCodecContext *avctx,                     const uint8_t **poutbuf, int *poutbuf_size,                     const uint8_t *buf, int buf_size); #endif /* AVCODEC_AAC_AC3_PARSER_H */