1 /*
2 * IEC 61937 common header
3 * Copyright (c) 2009 Bartlomiej Wolowiec
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg 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 * FFmpeg 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 FFmpeg; 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>
27
28 #define SYNCWORD1 0xF872
29 #define SYNCWORD2 0x4E1F
30 #define BURST_HEADER_SIZE 0x8
31
53 };
54
56 //LAYER1 LAYER2 LAYER3
57 { 3072, 9216, 4608 }, // MPEG-2 LSF
58 { 1536, 4608, 4608 }, // MPEG-1
59 };
60
64
65 #endif /* AVFORMAT_SPDIF_H */
MPEG-2 AAC ADTS half-rate low sampling frequency.
int ff_spdif_probe(const uint8_t *p_buf, int buf_size, enum AVCodecID *codec)
MPEG-2, layer-1 low sampling frequency.
DTS type II (1024 samples)
int ff_spdif_read_packet(AVFormatContext *s, AVPacket *pkt)
AVCodecID
Identify the syntax and semantics of the bitstream.
DTS type III (2048 samples)
MPEG-1 layer 2 or 3 data or MPEG-2 without extension.
MPEG-2, layer-3 low sampling frequency.
MPEG-2, layer-2 low sampling frequency.
MPEG-2 data with extension.
MPEG-2 AAC ADTS quarter-rate low sampling frequency.
static const uint16_t spdif_mpeg_pkt_offset[2][3]
void ff_spdif_bswap_buf16(uint16_t *dst, const uint16_t *src, int w)
This structure stores compressed data.