diff options
Diffstat (limited to 'lib/libucsi/dvb/rnt_rar_over_dvb_stream_descriptor.h')
| -rw-r--r-- | lib/libucsi/dvb/rnt_rar_over_dvb_stream_descriptor.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/lib/libucsi/dvb/rnt_rar_over_dvb_stream_descriptor.h b/lib/libucsi/dvb/rnt_rar_over_dvb_stream_descriptor.h new file mode 100644 index 0000000..ba42d12 --- /dev/null +++ b/lib/libucsi/dvb/rnt_rar_over_dvb_stream_descriptor.h @@ -0,0 +1,110 @@ +/* + * 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_RNT_RAR_OVER_DVB_STREAM_DESCRIPTOR +#define _UCSI_DVB_RNT_RAR_OVER_DVB_STREAM_DESCRIPTOR 1 + +#ifdef __cplusplus +extern "C" +{ +#endif + +#include <libucsi/descriptor.h> +#include <libucsi/endianops.h> + +/** + * dvb_rnt_rar_over_dvb_stream_descriptor structure. + */ +struct dvb_rnt_rar_over_dvb_stream_descriptor { + struct descriptor d; + + dvbdate_t first_valid_date; + dvbdate_t last_valid_date; + EBIT3(uint8_t weighting : 6; , + uint8_t complete_flag : 1; , + uint8_t scheduled_flag : 1; ); + uint16_t transport_stream_id; + uint16_t original_network_id; + uint16_t service_id; + uint8_t component_tag; + /* struct dvb_rnt_rar_over_dvb_stream_descriptor_scheduled_info scheduled_info */ +} __ucsi_packed; + +/** + * The scheduled_info field of a dvb_rnt_rar_over_dvb_stream_descriptor (only appears + * if scheduled_flag = 1). + */ +struct dvb_rnt_rar_over_dvb_stream_descriptor_scheduled_info { + dvbdate_t download_start_time; + uint8_t download_period_duration; + uint8_t download_cycle_time; +} __ucsi_packed; + +/** + * Process a dvb_rnt_rar_over_dvb_stream_descriptor. + * + * @param d Generic descriptor pointer. + * @return dvb_rnt_rar_over_dvb_stream_descriptor pointer, or NULL on error. + */ +static inline struct dvb_rnt_rar_over_dvb_stream_descriptor* + dvb_rnt_rar_over_dvb_stream_descriptor_codec(struct descriptor* d) +{ + uint8_t *buf = (uint8_t*) d; + uint32_t len = d->len + 2; + struct dvb_rnt_rar_over_dvb_stream_descriptor *ret = + (struct dvb_rnt_rar_over_dvb_stream_descriptor *) buf; + + if (len < sizeof(struct dvb_rnt_rar_over_dvb_stream_descriptor)) + return NULL; + + bswap16(buf + 13); + bswap16(buf + 15); + bswap16(buf + 17); + + if (ret->scheduled_flag == 1) { + if (len < (sizeof(struct dvb_rnt_rar_over_dvb_stream_descriptor)+ + sizeof(struct dvb_rnt_rar_over_dvb_stream_descriptor_scheduled_info))) + return NULL; + } + + return ret; +} + +/** + * Accessor for the scheduled_info field of a dvb_rnt_rar_over_dvb_stream_descriptor. + * + * @param d dvb_rnt_rar_over_dvb_stream_descriptor pointer. + * @return Pointer, or NULL on error. + */ +static inline struct dvb_rnt_rar_over_dvb_stream_descriptor_scheduled_info* + dvb_rnt_rar_over_dvb_stream_descriptor_scheduled_info(struct dvb_rnt_rar_over_dvb_stream_descriptor *d) +{ + if (d->scheduled_flag != 1) + return NULL; + return (struct dvb_rnt_rar_over_dvb_stream_descriptor_scheduled_info*) + ((uint8_t*) d + sizeof(struct dvb_rnt_rar_over_dvb_stream_descriptor)); +} + +#ifdef __cplusplus +} +#endif + +#endif |