diff options
Diffstat (limited to 'lib/libucsi/dvb')
| -rw-r--r-- | lib/libucsi/dvb/Makefile | 2 | ||||
| -rw-r--r-- | lib/libucsi/dvb/descriptor.h | 1 | ||||
| -rw-r--r-- | lib/libucsi/dvb/mpe_fec_section.h | 73 | ||||
| -rw-r--r-- | lib/libucsi/dvb/section.h | 1 | ||||
| -rw-r--r-- | lib/libucsi/dvb/time_slice_fec_identifier_descriptor.h | 94 |
5 files changed, 171 insertions, 0 deletions
diff --git a/lib/libucsi/dvb/Makefile b/lib/libucsi/dvb/Makefile index 78876dc..6f36e11 100644 --- a/lib/libucsi/dvb/Makefile +++ b/lib/libucsi/dvb/Makefile @@ -61,6 +61,7 @@ includes = ac3_descriptor.h \ local_time_offset_descriptor.h \ mhp_data_broadcast_id_descriptor.h \ mosaic_descriptor.h \ + mpe_fec_section.h \ multilingual_bouquet_name_descriptor.h \ multilingual_component_descriptor.h \ multilingual_network_name_descriptor.h \ @@ -106,6 +107,7 @@ includes = ac3_descriptor.h \ terrestrial_delivery_descriptor.h \ time_shifted_event_descriptor.h \ time_shifted_service_descriptor.h \ + time_slice_fec_identifier_descriptor.h \ tot_section.h \ transport_stream_descriptor.h \ tva_container_section.h \ diff --git a/lib/libucsi/dvb/descriptor.h b/lib/libucsi/dvb/descriptor.h index 303e17a..345f6f0 100644 --- a/lib/libucsi/dvb/descriptor.h +++ b/lib/libucsi/dvb/descriptor.h @@ -88,6 +88,7 @@ extern "C" #include <libucsi/dvb/terrestrial_delivery_descriptor.h> #include <libucsi/dvb/time_shifted_event_descriptor.h> #include <libucsi/dvb/time_shifted_service_descriptor.h> +#include <libucsi/dvb/time_slice_fec_identifier_descriptor.h> #include <libucsi/dvb/transport_stream_descriptor.h> #include <libucsi/dvb/tva_id_descriptor.h> #include <libucsi/dvb/vbi_data_descriptor.h> 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 diff --git a/lib/libucsi/dvb/section.h b/lib/libucsi/dvb/section.h index 8488d71..70e0880 100644 --- a/lib/libucsi/dvb/section.h +++ b/lib/libucsi/dvb/section.h @@ -39,6 +39,7 @@ extern "C" #include <libucsi/dvb/tot_section.h> #include <libucsi/dvb/tva_container_section.h> #include <libucsi/dvb/int_section.h> +#include <libucsi/dvb/mpe_fec_section.h> /** * The following are not implemented just now. 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 <libucsi/descriptor.h> +#include <libucsi/types.h> + +/* + * 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 |