| /* |
| * 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 = -1, |
| AAC_AC3_PARSE_ERROR_BSID = -2, |
| AAC_AC3_PARSE_ERROR_SAMPLE_RATE = -3, |
| AAC_AC3_PARSE_ERROR_FRAME_SIZE = -4, |
| AAC_AC3_PARSE_ERROR_FRAME_TYPE = -5, |
| AAC_AC3_PARSE_ERROR_CRC = -6, |
| AAC_AC3_PARSE_ERROR_CHANNEL_CFG = -7, |
| } 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; |
| |
| int remaining_size; |
| uint64_t state; |
| |
| int need_next_header; |
| enum CodecID 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 */ |