yading@10: /*
yading@10:  * Common AAC and AC-3 parser prototypes
yading@10:  * Copyright (c) 2003 Fabrice Bellard
yading@10:  * Copyright (c) 2003 Michael Niedermayer
yading@10:  *
yading@10:  * This file is part of FFmpeg.
yading@10:  *
yading@10:  * FFmpeg is free software; you can redistribute it and/or
yading@10:  * modify it under the terms of the GNU Lesser General Public
yading@10:  * License as published by the Free Software Foundation; either
yading@10:  * version 2.1 of the License, or (at your option) any later version.
yading@10:  *
yading@10:  * FFmpeg is distributed in the hope that it will be useful,
yading@10:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@10:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
yading@10:  * Lesser General Public License for more details.
yading@10:  *
yading@10:  * You should have received a copy of the GNU Lesser General Public
yading@10:  * License along with FFmpeg; if not, write to the Free Software
yading@10:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@10:  */
yading@10: 
yading@10: #ifndef AVCODEC_AAC_AC3_PARSER_H
yading@10: #define AVCODEC_AAC_AC3_PARSER_H
yading@10: 
yading@10: #include <stdint.h>
yading@10: #include "avcodec.h"
yading@10: #include "parser.h"
yading@10: 
yading@10: typedef enum {
yading@10:     AAC_AC3_PARSE_ERROR_SYNC        = -1,
yading@10:     AAC_AC3_PARSE_ERROR_BSID        = -2,
yading@10:     AAC_AC3_PARSE_ERROR_SAMPLE_RATE = -3,
yading@10:     AAC_AC3_PARSE_ERROR_FRAME_SIZE  = -4,
yading@10:     AAC_AC3_PARSE_ERROR_FRAME_TYPE  = -5,
yading@10:     AAC_AC3_PARSE_ERROR_CRC         = -6,
yading@10:     AAC_AC3_PARSE_ERROR_CHANNEL_CFG = -7,
yading@10: } AACAC3ParseError;
yading@10: 
yading@10: typedef struct AACAC3ParseContext {
yading@10:     ParseContext pc;
yading@10:     int frame_size;
yading@10:     int header_size;
yading@10:     int (*sync)(uint64_t state, struct AACAC3ParseContext *hdr_info,
yading@10:             int *need_next_header, int *new_frame_start);
yading@10: 
yading@10:     int channels;
yading@10:     int sample_rate;
yading@10:     int bit_rate;
yading@10:     int samples;
yading@10:     uint64_t channel_layout;
yading@10:     int service_type;
yading@10: 
yading@10:     int remaining_size;
yading@10:     uint64_t state;
yading@10: 
yading@10:     int need_next_header;
yading@10:     enum AVCodecID codec_id;
yading@10: } AACAC3ParseContext;
yading@10: 
yading@10: int ff_aac_ac3_parse(AVCodecParserContext *s1,
yading@10:                      AVCodecContext *avctx,
yading@10:                      const uint8_t **poutbuf, int *poutbuf_size,
yading@10:                      const uint8_t *buf, int buf_size);
yading@10: 
yading@10: #endif /* AVCODEC_AAC_AC3_PARSER_H */