blob: 650d6dcd154568146564828c7472e4c3829da7e9
1 | /* |
2 | * ALAC encoder and decoder common data |
3 | * |
4 | * This file is part of FFmpeg. |
5 | * |
6 | * FFmpeg is free software; you can redistribute it and/or |
7 | * modify it under the terms of the GNU Lesser General Public |
8 | * License as published by the Free Software Foundation; either |
9 | * version 2.1 of the License, or (at your option) any later version. |
10 | * |
11 | * FFmpeg is distributed in the hope that it will be useful, |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 | * Lesser General Public License for more details. |
15 | * |
16 | * You should have received a copy of the GNU Lesser General Public |
17 | * License along with FFmpeg; if not, write to the Free Software |
18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
19 | */ |
20 | |
21 | #ifndef AVCODEC_ALAC_DATA_H |
22 | #define AVCODEC_ALAC_DATA_H |
23 | |
24 | #include <stdint.h> |
25 | |
26 | enum AlacRawDataBlockType { |
27 | /* At the moment, only SCE, CPE, LFE, and END are recognized. */ |
28 | TYPE_SCE, |
29 | TYPE_CPE, |
30 | TYPE_CCE, |
31 | TYPE_LFE, |
32 | TYPE_DSE, |
33 | TYPE_PCE, |
34 | TYPE_FIL, |
35 | TYPE_END |
36 | }; |
37 | |
38 | #define ALAC_MAX_CHANNELS 8 |
39 | |
40 | extern const uint8_t ff_alac_channel_layout_offsets[ALAC_MAX_CHANNELS][ALAC_MAX_CHANNELS]; |
41 | |
42 | extern const uint64_t ff_alac_channel_layouts[ALAC_MAX_CHANNELS + 1]; |
43 | |
44 | extern const enum AlacRawDataBlockType ff_alac_channel_elements[ALAC_MAX_CHANNELS][5]; |
45 | |
46 | #endif /* AVCODEC_ALAC_DATA_H */ |
47 |