repositories / deb_ffmpeg.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ba45a60 DM |
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 enum { | |
| 31 | AAC_AC3_PARSE_ERROR_SYNC = -0x1030c0a, | |
| 32 | AAC_AC3_PARSE_ERROR_BSID = -0x2030c0a, | |
| 33 | AAC_AC3_PARSE_ERROR_SAMPLE_RATE = -0x3030c0a, | |
| 34 | AAC_AC3_PARSE_ERROR_FRAME_SIZE = -0x4030c0a, | |
| 35 | AAC_AC3_PARSE_ERROR_FRAME_TYPE = -0x5030c0a, | |
| 36 | AAC_AC3_PARSE_ERROR_CRC = -0x6030c0a, | |
| 37 | AAC_AC3_PARSE_ERROR_CHANNEL_CFG = -0x7030c0a, | |
| 38 | } AACAC3ParseError; | |
| 39 | ||
| 40 | typedef struct AACAC3ParseContext { | |
| 41 | ParseContext pc; | |
| 42 | int frame_size; | |
| 43 | int header_size; | |
| 44 | int (*sync)(uint64_t state, struct AACAC3ParseContext *hdr_info, | |
| 45 | int *need_next_header, int *new_frame_start); | |
| 46 | ||
| 47 | int channels; | |
| 48 | int sample_rate; | |
| 49 | int bit_rate; | |
| 50 | int samples; | |
| 51 | uint64_t channel_layout; | |
| 52 | int service_type; | |
| 53 | ||
| 54 | int remaining_size; | |
| 55 | uint64_t state; | |
| 56 | ||
| 57 | int need_next_header; | |
| 58 | enum AVCodecID codec_id; | |
| 59 | } AACAC3ParseContext; | |
| 60 | ||
| 61 | int ff_aac_ac3_parse(AVCodecParserContext *s1, | |
| 62 | AVCodecContext *avctx, | |
| 63 | const uint8_t **poutbuf, int *poutbuf_size, | |
| 64 | const uint8_t *buf, int buf_size); | |
| 65 | ||
| 66 | #endif /* AVCODEC_AAC_AC3_PARSER_H */ |