linux-dvb-apps.git - linux-dvb-apps Debian packaging

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author	Simon Paillard <spaillard@debian.org>	2011-12-10 10:50:26 +0100
committer	etobi <git@e-tobi.net>	2013-09-03 09:48:47 +0200
commit	cad92a119d718c8bcd70e85865e08e66010f9347 (patch)
tree	e4e346d50f83e95ddbb5f59d09eef39f76d0e04d /util/zap/Makefile
parent	665818f1969f893f05edf5b70eb1804c89b2829e (diff)
download	linux-dvb-apps-cad92a119d718c8bcd70e85865e08e66010f9347.tar.gz

Imported Debian patch 1.1.1+rev1355-1.1debian/1.1.1+rev1355-1.1

Diffstat (limited to '')

0 files changed, 0 insertions, 0 deletions

/* * 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_ATSC_EIT_SECTION_H #define _UCSI_ATSC_EIT_SECTION_H 1 #ifdef __cplusplus extern "C" { #endif #include <libucsi/atsc/section.h> #include <libucsi/atsc/types.h> /** * atsc_eit_section structure. */ struct atsc_eit_section { struct atsc_section_psip head; uint8_t num_events_in_section; /* struct atsc_eit_event events[] */ } __ucsi_packed; struct atsc_eit_event { EBIT2(uint16_t reserved : 2; , uint16_t event_id :14; ); atsctime_t start_time; EBIT4(uint32_t reserved1 : 2; , uint32_t ETM_location : 2; , uint32_t length_in_seconds :20; , uint32_t title_length : 8; ); /* struct atsc_text title_text */ /* struct atsc_eit_event_part2 part2 */ } __ucsi_packed; struct atsc_eit_event_part2 { EBIT2(uint16_t reserved : 4; , uint16_t descriptors_length :12; ); /* struct descriptor descriptors[] */ } __ucsi_packed; /** * Process a atsc_eit_section. * * @param section Pointer to an atsc_section_psip structure. * @return atsc_eit_section pointer, or NULL on error. */ struct atsc_eit_section *atsc_eit_section_codec(struct atsc_section_psip *section); /** * Accessor for the source_id field of an EIT. * * @param eit EIT pointer. * @return The source_id . */ static inline uint16_t atsc_eit_section_source_id(struct atsc_eit_section *eit) { return eit->head.ext_head.table_id_ext; } /** * Iterator for the events field in an atsc_eit_section. * * @param eit atsc_eit_section pointer. * @param pos Variable containing a pointer to the current atsc_eit_event. * @param idx Integer used to count which event we are in. */ #define atsc_eit_section_events_for_each(eit, pos, idx) \ for ((pos) = atsc_eit_section_events_first(eit), idx=0; \ (pos); \ (pos) = atsc_eit_section_events_next(eit, pos, ++idx)) /** * Accessor for the title_text field of an atsc_eit_event. * * @param event atsc_eit_event pointer. * @return struct atsc_text pointer, or NULL on error. */ static inline struct atsc_text *atsc_eit_event_name_title_text(struct atsc_eit_event *event) { if (event->title_length == 0) return NULL; return (struct atsc_text*)(((uint8_t*) event) + sizeof(struct atsc_eit_event)); } /** * Accessor for the part2 field of an atsc_eit_event. * * @param event atsc_eit_event pointer. * @return struct atsc_eit_event_part2 pointer. */ static inline struct atsc_eit_event_part2 *atsc_eit_event_part2(struct atsc_eit_event *event) { return (struct atsc_eit_event_part2 *) (((uint8_t*) event) + sizeof(struct atsc_eit_event) + event->title_length); } /** * Iterator for the descriptors field in a atsc_eit_section structure. * * @param part2 atsc_eit_event_part2 pointer. * @param pos Variable containing a pointer to the current descriptor. */ #define atsc_eit_event_part2_descriptors_for_each(part2, pos) \ for ((pos) = atsc_eit_event_part2_descriptors_first(part2); \ (pos); \ (pos) = atsc_eit_event_part2_descriptors_next(part2, pos)) /******************************** PRIVATE CODE ********************************/ static inline struct atsc_eit_event * atsc_eit_section_events_first(struct atsc_eit_section *eit) { size_t pos = sizeof(struct atsc_eit_section); if (eit->num_events_in_section == 0) return NULL; return (struct atsc_eit_event*) (((uint8_t *) eit) + pos); } static inline struct atsc_eit_event * atsc_eit_section_events_next(struct atsc_eit_section *eit, struct atsc_eit_event *pos, int idx) { if (idx >= eit->num_events_in_section) return NULL; struct atsc_eit_event_part2 *part2 = atsc_eit_event_part2(pos); int len = sizeof(struct atsc_eit_event_part2); len += part2->descriptors_length; return (struct atsc_eit_event *) (((uint8_t*) part2) + len); } static inline struct descriptor * atsc_eit_event_part2_descriptors_first(struct atsc_eit_event_part2 *part2) { size_t pos = sizeof(struct atsc_eit_event_part2); if (part2->descriptors_length == 0) return NULL; return (struct descriptor*) (((uint8_t *) part2) + pos); } static inline struct descriptor * atsc_eit_event_part2_descriptors_next(struct atsc_eit_event_part2 *part2, struct descriptor *pos) { return next_descriptor((uint8_t*) part2 + sizeof(struct atsc_eit_event_part2), part2->descriptors_length, pos); } #ifdef __cplusplus } #endif #endif


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