diff options
Diffstat (limited to 'lib/libucsi/dvb/mpe_fec_section.h')
| -rw-r--r-- | lib/libucsi/dvb/mpe_fec_section.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/lib/libucsi/dvb/mpe_fec_section.h b/lib/libucsi/dvb/mpe_fec_section.h new file mode 100644 index 0000000..6db0a47 --- /dev/null +++ b/lib/libucsi/dvb/mpe_fec_section.h @@ -0,0 +1,73 @@ +/* + * 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_MPE_FEC_SECTION_H +#define _UCSI_DVB_MPE_FEC_SECTION_H 1 + +#ifdef __cplusplus +extern "C" +{ +#endif + +#include <libucsi/mpeg/section.h> + +/** + * mpe_fec_section structure. TODO + */ +struct mpe_fec_section { + struct section head; +}; + + +/** + * real_time_paramters + * can also be found in datagram_section in MAC4-1-bytes */ +struct real_time_parameters { + EBIT4(uint32_t delta_t : 12; , + uint32_t table_boundary : 1; , + uint32_t frame_boundary : 1; , + uint32_t address : 18; ) +}; + + +static inline struct real_time_parameters * datagram_section_real_time_parameters_codec(struct datagram_section *d) +{ + struct real_time_parameters *rt = (struct real_time_parameters *) &d->MAC_address_4; + uint8_t b[4]; + b[0] = d->MAC_address_4; + b[1] = d->MAC_address_3; + b[2] = d->MAC_address_2; + b[3] = d->MAC_address_1; + + rt->delta_t = (b[0] << 4) | ((b[1] >> 4) & 0x0f); + rt->table_boundary = (b[1] >> 3) & 0x1; + rt->frame_boundary = (b[1] >> 2) & 0x1; + rt->address = ((b[1] & 0x3) << 16) | (b[2] << 8) | b[3]; + + return rt; +} + +#ifdef __cplusplus +} +#endif + +#endif |