/usr/include/libucsi/dvb/ait_application_icons_descriptor.h is in dvb-apps 1.1.1+rev1500-1.1+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 | /*
* section and descriptor parser
*
* Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org)
* Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef _UCSI_DVB_AIT_APPLICATION_ICONS_DESCRIPTOR
#define _UCSI_DVB_AIT_APPLICATION_ICONS_DESCRIPTOR 1
#ifdef __cplusplus
extern "C"
{
#endif
#include <libucsi/descriptor.h>
#include <libucsi/endianops.h>
#include <libucsi/types.h>
/**
* Possible values for the icon_flags field.
*/
enum {
AIT_APPLICATION_ICON_FLAG_32_32 = 0x001,
AIT_APPLICATION_ICON_FLAG_32_32_43 = 0x002,
AIT_APPLICATION_ICON_FLAG_24_32_169 = 0x004,
AIT_APPLICATION_ICON_FLAG_64_64 = 0x008,
AIT_APPLICATION_ICON_FLAG_64_64_43 = 0x010,
AIT_APPLICATION_ICON_FLAG_48_64_169 = 0x020,
AIT_APPLICATION_ICON_FLAG_128_128 = 0x040,
AIT_APPLICATION_ICON_FLAG_128_128_43 = 0x080,
AIT_APPLICATION_ICON_FLAG_96_128_169 = 0x100,
};
/**
* dvb_ait_application_icons_descriptor structure.
*/
struct dvb_ait_application_icons_descriptor {
struct descriptor d;
uint8_t icon_locator_length;
/* uint8_t icon_locator[] */
/* struct dvb_ait_application_icons_descriptor_part2 */
} __ucsi_packed;
/**
* Second part of a dvb_ait_application_icons_descriptor.
*/
struct dvb_ait_application_icons_descriptor_part2 {
uint16_t icon_flags;
/* uint8_t reserved[] */
} __ucsi_packed;
/**
* Process a dvb_ait_application_icons_descriptor.
*
* @param d Generic descriptor pointer.
* @return dvb_ait_application_icons_descriptor pointer, or NULL on error.
*/
static inline struct dvb_ait_application_icons_descriptor*
dvb_ait_application_icons_descriptor_codec(struct descriptor* d)
{
uint8_t* buf = (uint8_t*) d;
uint32_t pos = 0;
uint32_t len = d->len + 2;
struct dvb_ait_application_icons_descriptor *ret =
(struct dvb_ait_application_icons_descriptor *) d;
if (len < sizeof(struct dvb_ait_application_icons_descriptor))
return NULL;
if (len < (sizeof(struct dvb_ait_application_icons_descriptor) + ret->icon_locator_length))
return NULL;
pos += sizeof(struct dvb_ait_application_icons_descriptor) + ret->icon_locator_length;
if ((len - pos) < sizeof(struct dvb_ait_application_icons_descriptor_part2))
return NULL;
bswap16(buf + pos);
return ret;
}
/**
* Accessor for the icon_locator field of a dvb_ait_application_icons_descriptor.
*
* @param e dvb_ait_application_icons_descriptor pointer.
* @return Pointer to the field.
*/
static inline uint8_t *
dvb_ait_application_icons_descriptor_icon_locator(struct dvb_ait_application_icons_descriptor *e)
{
return (uint8_t *) e + sizeof(struct dvb_ait_application_icons_descriptor);
}
/**
* Accessor for the part2 field of a dvb_ait_application_icons_descriptor.
*
* @param e dvb_ait_application_icons_descriptor Pointer.
* @return dvb_ait_application_icons_descriptor_part2 pointer.
*/
static inline struct dvb_ait_application_icons_descriptor_part2 *
dvb_ait_application_icons_descriptor_part2(struct dvb_ait_application_icons_descriptor *e)
{
return (struct dvb_ait_application_icons_descriptor_part2 *)
((uint8_t *) e + sizeof(struct dvb_ait_application_icons_descriptor) +
e->icon_locator_length);
}
/**
* Accessor for the reserved field of a dvb_ait_application_icons_descriptor_part2.
*
* @param e dvb_ait_application_icons_part2 pointer.
* @return Pointer to the field.
*/
static inline uint8_t *
dvb_ait_application_icons_descriptor_part2_reserved(struct dvb_ait_application_icons_descriptor_part2 *e)
{
return (uint8_t *) e + sizeof(struct dvb_ait_application_icons_descriptor_part2);
}
/**
* Calculate the number of bytes in the reserved field of a dvb_ait_application_icons_descriptor_part2.
*
* @param d dvb_ait_application_icons_descriptorpointer.
* @param part2 dvb_ait_application_icons_descriptor_part2 pointer.
* @return Number of bytes.
*/
static inline int
dvb_ait_application_icons_descriptor_part2_reserved_length(struct dvb_ait_application_icons_descriptor *d,
struct dvb_ait_application_icons_descriptor_part2* part2)
{
uint8_t *ptr = (uint8_t*) part2 + sizeof(struct dvb_ait_application_icons_descriptor_part2);
uint8_t *end = (uint8_t*) d + d->d.len + 2;
return (int) (end - ptr);
}
#ifdef __cplusplus
}
#endif
#endif
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