/* * 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 = -1, AAC_AC3_PARSE_ERROR_BSID = -2, AAC_AC3_PARSE_ERROR_SAMPLE_RATE = -3, AAC_AC3_PARSE_ERROR_FRAME_SIZE = -4, AAC_AC3_PARSE_ERROR_FRAME_TYPE = -5, AAC_AC3_PARSE_ERROR_CRC = -6, AAC_AC3_PARSE_ERROR_CHANNEL_CFG = -7, } 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; int64_t channel_layout; int remaining_size; uint64_t state; int need_next_header; enum CodecID 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 */