1 /*- 2 * SPDX-License-Identifier: BSD-4-Clause 3 * 4 * Copyright (c) 2003 Hidetoshi Shimokawa 5 * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the acknowledgement as bellow: 18 * 19 * This product includes software developed by K. Kobayashi and H. Shimokawa 20 * 21 * 4. The name of the author may not be used to endorse or promote products 22 * derived from this software without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 25 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 26 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 27 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 28 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 29 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 32 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 33 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 34 * POSSIBILITY OF SUCH DAMAGE. 35 * 36 * $FreeBSD$ 37 * 38 */ 39 40 #define DV_BROADCAST_ON (1<<30) 41 #define oMPR 0x900 42 #define oPCR 0x904 43 #define iMPR 0x980 44 #define iPCR 0x984 45 46 struct ciphdr { 47 #if BYTE_ORDER == BIG_ENDIAN 48 uint8_t eoh0:1, /* 0 */ 49 form0:1, /* 0 */ 50 src:6; 51 #else 52 uint8_t src:6, 53 form0:1, /* 0 */ 54 eoh0:1; /* 0 */ 55 #endif 56 uint8_t len; 57 #if BYTE_ORDER == BIG_ENDIAN 58 uint8_t fn:2, 59 qpc:3, 60 sph:1, 61 :2; 62 #else 63 uint8_t :2, 64 sph:1, 65 qpc:3, 66 fn:2; 67 #endif 68 uint8_t dbc; 69 #if BYTE_ORDER == BIG_ENDIAN 70 uint8_t eoh1:1, /* 1 */ 71 form1:1, /* 0 */ 72 fmt:6; 73 #else 74 uint8_t fmt:6, 75 form1:1, /* 0 */ 76 eoh1:1; /* 1 */ 77 #endif 78 #define CIP_FMT_DVCR 0 79 #define CIP_FMT_MPEG (1<<5) 80 union { 81 struct { 82 #if BYTE_ORDER == BIG_ENDIAN 83 uint8_t fs:1, /* 50/60 field system 84 NTSC/PAL */ 85 stype:5, 86 :2; 87 #else 88 uint8_t :2, 89 stype:5, 90 fs:1; /* 50/60 field system 91 NTSC/PAL */ 92 #endif 93 #define CIP_STYPE_SD 0 94 #define CIP_STYPE_SDL 1 95 #define CIP_STYPE_HD 2 96 uint16_t cyc:16; /* take care of byte order! */ 97 } __attribute__ ((packed)) dv; 98 uint8_t bytes[3]; 99 } fdf; 100 101 }; 102 struct dvdbc { 103 #if BYTE_ORDER == BIG_ENDIAN 104 uint8_t sct:3, /* Section type */ 105 :1, /* Reserved */ 106 arb:4; /* Arbitrary bit */ 107 #else 108 uint8_t arb:4, /* Arbitrary bit */ 109 :1, /* Reserved */ 110 sct:3; /* Section type */ 111 #endif 112 #define DV_SCT_HEADER 0 113 #define DV_SCT_SUBCODE 1 114 #define DV_SCT_VAUX 2 115 #define DV_SCT_AUDIO 3 116 #define DV_SCT_VIDEO 4 117 #if BYTE_ORDER == BIG_ENDIAN 118 uint8_t dseq:4, /* DIF sequence number */ 119 fsc:1, /* ID of a DIF block in each channel */ 120 :3; 121 #else 122 uint8_t :3, 123 fsc:1, /* ID of a DIF block in each channel */ 124 dseq:4; /* DIF sequence number */ 125 #endif 126 uint8_t dbn; /* DIF block number */ 127 uint8_t payload[77]; 128 #define DV_DSF_12 0x80 /* PAL: payload[0] in Header DIF */ 129 }; 130