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| Rev | Author | Line No. | Line |
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| 4349 | Serge | 1 | /* |
| 2 | * Common AAC and AC-3 parser prototypes |
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| 3 | * Copyright (c) 2003 Fabrice Bellard |
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| 4 | * Copyright (c) 2003 Michael Niedermayer |
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| 5 | * |
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| 6 | * This file is part of FFmpeg. |
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| 7 | * |
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| 8 | * FFmpeg is free software; you can redistribute it and/or |
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| 9 | * modify it under the terms of the GNU Lesser General Public |
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| 10 | * License as published by the Free Software Foundation; either |
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| 11 | * version 2.1 of the License, or (at your option) any later version. |
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| 12 | * |
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| 13 | * FFmpeg is distributed in the hope that it will be useful, |
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| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 16 | * Lesser General Public License for more details. |
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| 17 | * |
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| 18 | * You should have received a copy of the GNU Lesser General Public |
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| 19 | * License along with FFmpeg; if not, write to the Free Software |
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| 20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 21 | */ |
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| 22 | |||
| 23 | #ifndef AVCODEC_AAC_AC3_PARSER_H |
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| 24 | #define AVCODEC_AAC_AC3_PARSER_H |
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| 25 | |||
| 26 | #include |
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| 27 | #include "avcodec.h" |
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| 28 | #include "parser.h" |
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| 29 | |||
| 30 | typedef enum { |
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| 31 | AAC_AC3_PARSE_ERROR_SYNC = -0x1030c0a, |
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| 32 | AAC_AC3_PARSE_ERROR_BSID = -0x2030c0a, |
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| 33 | AAC_AC3_PARSE_ERROR_SAMPLE_RATE = -0x3030c0a, |
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| 34 | AAC_AC3_PARSE_ERROR_FRAME_SIZE = -0x4030c0a, |
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| 35 | AAC_AC3_PARSE_ERROR_FRAME_TYPE = -0x5030c0a, |
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| 36 | AAC_AC3_PARSE_ERROR_CRC = -0x6030c0a, |
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| 37 | AAC_AC3_PARSE_ERROR_CHANNEL_CFG = -0x7030c0a, |
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| 38 | } AACAC3ParseError; |
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| 39 | |||
| 40 | typedef struct AACAC3ParseContext { |
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| 41 | ParseContext pc; |
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| 42 | int frame_size; |
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| 43 | int header_size; |
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| 44 | int (*sync)(uint64_t state, struct AACAC3ParseContext *hdr_info, |
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| 45 | int *need_next_header, int *new_frame_start); |
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| 46 | |||
| 47 | int channels; |
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| 48 | int sample_rate; |
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| 49 | int bit_rate; |
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| 50 | int samples; |
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| 51 | uint64_t channel_layout; |
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| 52 | int service_type; |
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| 53 | |||
| 54 | int remaining_size; |
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| 55 | uint64_t state; |
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| 56 | |||
| 57 | int need_next_header; |
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| 58 | enum AVCodecID codec_id; |
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| 59 | } AACAC3ParseContext; |
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| 60 | |||
| 61 | int ff_aac_ac3_parse(AVCodecParserContext *s1, |
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| 62 | AVCodecContext *avctx, |
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| 63 | const uint8_t **poutbuf, int *poutbuf_size, |
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| 64 | const uint8_t *buf, int buf_size); |
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| 65 | |||
| 66 | #endif /* AVCODEC_AAC_AC3_PARSER_H */ |