The ATSC standard header is slightly different from the one used in DVB. This implements the parser for it, and will be used by the VCT table for example.
Signed-off-by: André Roth <neol...@gmail.com> --- lib/include/descriptors/atsc_header.h | 63 ++++++++++++++++++++++++++++++++++ lib/libdvbv5/descriptors/atsc_header.c | 47 +++++++++++++++++++++++++ 2 files changed, 110 insertions(+) create mode 100644 lib/include/descriptors/atsc_header.h create mode 100644 lib/libdvbv5/descriptors/atsc_header.c diff --git a/lib/include/descriptors/atsc_header.h b/lib/include/descriptors/atsc_header.h new file mode 100644 index 0000000..1e7148e --- /dev/null +++ b/lib/include/descriptors/atsc_header.h @@ -0,0 +1,63 @@ +/* + * Copyright (c) 2013 - Andre Roth <neol...@gmail.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation version 2 + * of the License. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * Or, point your browser to http://www.gnu.org/licenses/old-licenses/gpl-2.0.html + * + */ + +#ifndef _ATSC_HEADER_H +#define _ATSC_HEADER_H + +#include <stdint.h> +#include <unistd.h> /* ssize_t */ + +#define ATSC_BASE_PID 0x1FFB + +struct atsc_table_header { + uint8_t table_id; + union { + uint16_t bitfield; + struct { + uint16_t section_length:12; + uint16_t one:2; + uint16_t priv:1; + uint16_t syntax:1; + } __attribute__((packed)); + }; + uint16_t id; + uint8_t current_next:1; + uint8_t version:5; + uint8_t one2:2; + + uint8_t section_id; + uint8_t last_section; + uint8_t protocol_version; +} __attribute__((packed)); + +struct dvb_v5_fe_parms; + +#ifdef __cplusplus +extern "C" { +#endif + +int atsc_table_header_init (struct atsc_table_header *t); +void atsc_table_header_print(struct dvb_v5_fe_parms *parms, const struct atsc_table_header *t); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/lib/libdvbv5/descriptors/atsc_header.c b/lib/libdvbv5/descriptors/atsc_header.c new file mode 100644 index 0000000..ed152ce --- /dev/null +++ b/lib/libdvbv5/descriptors/atsc_header.c @@ -0,0 +1,47 @@ +/* + * Copyright (c) 2013 - Andre Roth <neol...@gmail.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation version 2 + * of the License. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * Or, point your browser to http://www.gnu.org/licenses/old-licenses/gpl-2.0.html + * + */ + +#include "descriptors/atsc_header.h" +#include "descriptors.h" +#include "dvb-fe.h" + +int atsc_table_header_init(struct atsc_table_header *t) +{ + bswap16(t->bitfield); + bswap16(t->id); + return 0; +} + +void atsc_table_header_print(struct dvb_v5_fe_parms *parms, const struct atsc_table_header *t) +{ + dvb_log("| table_id %02x", t->table_id); + dvb_log("| section_length %d", t->section_length); + dvb_log("| syntax %d", t->syntax); + dvb_log("| priv %d", t->priv); + dvb_log("| one %d", t->one); + dvb_log("| id %d", t->id); + dvb_log("| one2 %d", t->one2); + dvb_log("| version %d", t->version); + dvb_log("| current_next %d", t->current_next); + dvb_log("| section_id %d", t->section_id); + dvb_log("| last_section %d", t->last_section); + dvb_log("| protocol_version %d", t->protocol_version); +} + -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
