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2ba45a60 DM |
1 | /* |
2 | * DCA compatible decoder | |
3 | * Copyright (C) 2004 Gildas Bazin | |
4 | * Copyright (C) 2004 Benjamin Zores | |
5 | * Copyright (C) 2006 Benjamin Larsson | |
6 | * Copyright (C) 2007 Konstantin Shishkov | |
7 | * | |
8 | * This file is part of FFmpeg. | |
9 | * | |
10 | * FFmpeg is free software; you can redistribute it and/or | |
11 | * modify it under the terms of the GNU Lesser General Public | |
12 | * License as published by the Free Software Foundation; either | |
13 | * version 2.1 of the License, or (at your option) any later version. | |
14 | * | |
15 | * FFmpeg is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
18 | * Lesser General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU Lesser General Public | |
21 | * License along with FFmpeg; if not, write to the Free Software | |
22 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
23 | */ | |
24 | ||
25 | #ifndef AVCODEC_DCA_H | |
26 | #define AVCODEC_DCA_H | |
27 | ||
28 | #include <stdint.h> | |
29 | #include "libavutil/internal.h" | |
30 | ||
31 | /** DCA syncwords, also used for bitstream type detection */ | |
32 | #define DCA_MARKER_RAW_BE 0x7FFE8001 | |
33 | #define DCA_MARKER_RAW_LE 0xFE7F0180 | |
34 | #define DCA_MARKER_14B_BE 0x1FFFE800 | |
35 | #define DCA_MARKER_14B_LE 0xFF1F00E8 | |
36 | ||
37 | /** DCA-HD specific block starts with this marker. */ | |
38 | #define DCA_HD_MARKER 0x64582025 | |
39 | ||
40 | extern av_export const uint32_t avpriv_dca_sample_rates[16]; | |
41 | ||
42 | /** | |
43 | * Convert bitstream to one representation based on sync marker | |
44 | */ | |
45 | int avpriv_dca_convert_bitstream(const uint8_t *src, int src_size, uint8_t *dst, | |
46 | int max_size); | |
47 | ||
48 | #endif /* AVCODEC_DCA_H */ |