libavcodec/aac_ac3_parser.h

   1 /*
   2  * Common AAC and AC-3 parser prototypes
   3  * Copyright (c) 2003 Fabrice Bellard.
   4  * Copyright (c) 2003 Michael Niedermayer.
   5  *
   6  * This file is part of FFmpeg.
   7  *
   8  * FFmpeg is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * FFmpeg is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with FFmpeg; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  21  */
  22
  23 #ifndef AVCODEC_AAC_AC3_PARSER_H
  24 #define AVCODEC_AAC_AC3_PARSER_H
  25
  26 #include <stdint.h>
  27 #include "avcodec.h"
  28 #include "parser.h"
  29
  30 typedef struct AACAC3ParseContext {
  31     ParseContext pc;
  32     int frame_size;
  33     int header_size;
  34     int (*sync)(uint64_t state, struct AACAC3ParseContext *hdr_info,
  35             int *need_next_header, int *new_frame_start);
  36
  37     int channels;
  38     int sample_rate;
  39     int bit_rate;
  40     int samples;
  41
  42     int remaining_size;
  43     uint64_t state;
  44
  45     int need_next_header;
  46 } AACAC3ParseContext;
  47
  48 int ff_aac_ac3_parse(AVCodecParserContext *s1,
  49                      AVCodecContext *avctx,
  50                      const uint8_t **poutbuf, int *poutbuf_size,
  51                      const uint8_t *buf, int buf_size);
  52
  53 #endif /* AVCODEC_AAC_AC3_PARSER_H */