/*

  * 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 */