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 * 37 */ 38 39 #define DV_BROADCAST_ON (1<<30) 40 #define oMPR 0x900 41 #define oPCR 0x904 42 #define iMPR 0x980 43 #define iPCR 0x984 44 45 struct ciphdr { 46 #if BYTE_ORDER == BIG_ENDIAN 47 uint8_t eoh0:1, /* 0 */ 48 form0:1, /* 0 */ 49 src:6; 50 #else 51 uint8_t src:6, 52 form0:1, /* 0 */ 53 eoh0:1; /* 0 */ 54 #endif 55 uint8_t len; 56 #if BYTE_ORDER == BIG_ENDIAN 57 uint8_t fn:2, 58 qpc:3, 59 sph:1, 60 :2; 61 #else 62 uint8_t :2, 63 sph:1, 64 qpc:3, 65 fn:2; 66 #endif 67 uint8_t dbc; 68 #if BYTE_ORDER == BIG_ENDIAN 69 uint8_t eoh1:1, /* 1 */ 70 form1:1, /* 0 */ 71 fmt:6; 72 #else 73 uint8_t fmt:6, 74 form1:1, /* 0 */ 75 eoh1:1; /* 1 */ 76 #endif 77 #define CIP_FMT_DVCR 0 78 #define CIP_FMT_MPEG (1<<5) 79 union { 80 struct { 81 #if BYTE_ORDER == BIG_ENDIAN 82 uint8_t fs:1, /* 50/60 field system 83 NTSC/PAL */ 84 stype:5, 85 :2; 86 #else 87 uint8_t :2, 88 stype:5, 89 fs:1; /* 50/60 field system 90 NTSC/PAL */ 91 #endif 92 #define CIP_STYPE_SD 0 93 #define CIP_STYPE_SDL 1 94 #define CIP_STYPE_HD 2 95 uint16_t cyc:16; /* take care of byte order! */ 96 } __attribute__ ((packed)) dv; 97 uint8_t bytes[3]; 98 } fdf; 99 100 }; 101 struct dvdbc { 102 #if BYTE_ORDER == BIG_ENDIAN 103 uint8_t sct:3, /* Section type */ 104 :1, /* Reserved */ 105 arb:4; /* Arbitrary bit */ 106 #else 107 uint8_t arb:4, /* Arbitrary bit */ 108 :1, /* Reserved */ 109 sct:3; /* Section type */ 110 #endif 111 #define DV_SCT_HEADER 0 112 #define DV_SCT_SUBCODE 1 113 #define DV_SCT_VAUX 2 114 #define DV_SCT_AUDIO 3 115 #define DV_SCT_VIDEO 4 116 #if BYTE_ORDER == BIG_ENDIAN 117 uint8_t dseq:4, /* DIF sequence number */ 118 fsc:1, /* ID of a DIF block in each channel */ 119 :3; 120 #else 121 uint8_t :3, 122 fsc:1, /* ID of a DIF block in each channel */ 123 dseq:4; /* DIF sequence number */ 124 #endif 125 uint8_t dbn; /* DIF block number */ 126 uint8_t payload[77]; 127 #define DV_DSF_12 0x80 /* PAL: payload[0] in Header DIF */ 128 }; 129