From 9a5228e0f2b898367b7943d294be58caf6ce8bb3 Mon Sep 17 00:00:00 2001 From: etobi Date: Tue, 3 Sep 2013 09:48:44 +0200 Subject: Imported Upstream version 1.1.1+rev1273 --- .../dvb/time_slice_fec_identifier_descriptor.h | 94 ++++++++++++++++++++++ 1 file changed, 94 insertions(+) create mode 100644 lib/libucsi/dvb/time_slice_fec_identifier_descriptor.h (limited to 'lib/libucsi/dvb/time_slice_fec_identifier_descriptor.h') diff --git a/lib/libucsi/dvb/time_slice_fec_identifier_descriptor.h b/lib/libucsi/dvb/time_slice_fec_identifier_descriptor.h new file mode 100644 index 0000000..00f3048 --- /dev/null +++ b/lib/libucsi/dvb/time_slice_fec_identifier_descriptor.h @@ -0,0 +1,94 @@ +/* + * section and descriptor parser + * + * Copyright (C) 2005 Kenneth Aafloy (kenneth@linuxtv.org) + * Copyright (C) 2005 Andrew de Quincey (adq_dvb@lidskialf.net) + * Copyright (C) 2008 Patrick Boettcher (pb@linuxtv.org) + * + * 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_TIME_SLICE_FEC_IDENTIFIER_DESCRIPTOR +#define _UCSI_DVB_TIME_SLICE_FEC_IDENTIFIER_DESCRIPTOR 1 + +#ifdef __cplusplus +extern "C" +{ +#endif + +#include +#include + +/* + * dvb_time_slice_fec_identifier_descriptor structure. + */ +struct dvb_time_slice_fec_identifier_descriptor { + struct descriptor d; + + EBIT4(uint8_t time_slicing :1; , + uint8_t mpe_fec :2; , + uint8_t reserved :2; , + uint8_t frame_size :3; ); + + uint8_t max_burst_duration; + + EBIT2(uint8_t max_average_rate :4; , + uint8_t time_slice_fec_id :4; ); + /* id_selector_bytes[] */ +}; + +static inline struct dvb_time_slice_fec_identifier_descriptor * + dvb_time_slice_fec_identifier_descriptor_codec(struct descriptor* d) +{ + if (d->len < 3) + return NULL; + return (struct dvb_time_slice_fec_identifier_descriptor *) d; +} + +static inline uint8_t dvb_time_slice_fec_identifier_selector_byte_length(struct dvb_time_slice_fec_identifier_descriptor *d) +{ + return d->d.len - 3; +} + +static inline uint8_t * dvb_time_slice_fec_identifier_selector_bytes(struct dvb_time_slice_fec_identifier_descriptor *d) +{ + if (d->d.len < 3) + return NULL; + else + return ((uint8_t *) d) + 2 + 3; +} + +static inline uint16_t dvb_time_slice_fec_identifier_max_burst_duration_msec(struct dvb_time_slice_fec_identifier_descriptor *d) +{ + return (d->max_burst_duration + 1) * 20; +} + +static inline uint16_t dvb_time_slice_fec_identifier_frame_size_kbits(struct dvb_time_slice_fec_identifier_descriptor *d) +{ + if (d->frame_size > 3) + return 0; + return (d->frame_size+1) * 512; +} + +static inline uint16_t dvb_time_slice_fec_identifier_frame_size_rows(struct dvb_time_slice_fec_identifier_descriptor *d) +{ + return dvb_time_slice_fec_identifier_frame_size_kbits(d) / 2; +} + +#ifdef __cplusplus +} +#endif + +#endif -- cgit v1.2.3