cosmetics: Fix ATRAC codec name spelling
[libav.git] / libavformat / spdif.h
1 /*
2 * IEC 61937 common header
3 * Copyright (c) 2009 Bartlomiej Wolowiec
4 *
5 * This file is part of Libav.
6 *
7 * Libav is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * Libav is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 #ifndef AVFORMAT_SPDIF_H
23 #define AVFORMAT_SPDIF_H
24
25 #include <stdint.h>
26
27 #define SYNCWORD1 0xF872
28 #define SYNCWORD2 0x4E1F
29 #define BURST_HEADER_SIZE 0x8
30
31 enum IEC61937DataType {
32 IEC61937_AC3 = 0x01, ///< AC-3 data
33 IEC61937_MPEG1_LAYER1 = 0x04, ///< MPEG-1 layer 1
34 IEC61937_MPEG1_LAYER23 = 0x05, ///< MPEG-1 layer 2 or 3 data or MPEG-2 without extension
35 IEC61937_MPEG2_EXT = 0x06, ///< MPEG-2 data with extension
36 IEC61937_MPEG2_AAC = 0x07, ///< MPEG-2 AAC ADTS
37 IEC61937_MPEG2_LAYER1_LSF = 0x08, ///< MPEG-2, layer-1 low sampling frequency
38 IEC61937_MPEG2_LAYER2_LSF = 0x09, ///< MPEG-2, layer-2 low sampling frequency
39 IEC61937_MPEG2_LAYER3_LSF = 0x0A, ///< MPEG-2, layer-3 low sampling frequency
40 IEC61937_DTS1 = 0x0B, ///< DTS type I (512 samples)
41 IEC61937_DTS2 = 0x0C, ///< DTS type II (1024 samples)
42 IEC61937_DTS3 = 0x0D, ///< DTS type III (2048 samples)
43 IEC61937_ATRAC = 0x0E, ///< ATRAC data
44 IEC61937_ATRAC3 = 0x0F, ///< ATRAC3 data
45 IEC61937_ATRACX = 0x10, ///< ATRAC3+ data
46 IEC61937_DTSHD = 0x11, ///< DTS HD data
47 IEC61937_WMAPRO = 0x12, ///< WMA 9 Professional data
48 IEC61937_MPEG2_AAC_LSF_2048 = 0x13, ///< MPEG-2 AAC ADTS half-rate low sampling frequency
49 IEC61937_MPEG2_AAC_LSF_4096 = 0x13 | 0x20, ///< MPEG-2 AAC ADTS quarter-rate low sampling frequency
50 IEC61937_EAC3 = 0x15, ///< E-AC-3 data
51 IEC61937_TRUEHD = 0x16, ///< TrueHD data
52 };
53
54 static const uint16_t spdif_mpeg_pkt_offset[2][3] = {
55 //LAYER1 LAYER2 LAYER3
56 { 3072, 9216, 4608 }, // MPEG2 LSF
57 { 1536, 4608, 4608 }, // MPEG1
58 };
59
60 void ff_spdif_bswap_buf16(uint16_t *dst, const uint16_t *src, int w);
61
62 #endif /* AVFORMAT_SPDIF_H */