From ab959d7b4194715870128e616b8e29d4a101e488 Mon Sep 17 00:00:00 2001 From: etobi Date: Tue, 3 Sep 2013 09:48:41 +0200 Subject: Imported Upstream version 1.1.1+rev1207 --- lib/libucsi/atsc/dcc_arriving_request_descriptor.h | 107 +++++++++++++++++++++ 1 file changed, 107 insertions(+) create mode 100644 lib/libucsi/atsc/dcc_arriving_request_descriptor.h (limited to 'lib/libucsi/atsc/dcc_arriving_request_descriptor.h') diff --git a/lib/libucsi/atsc/dcc_arriving_request_descriptor.h b/lib/libucsi/atsc/dcc_arriving_request_descriptor.h new file mode 100644 index 0000000..af76eac --- /dev/null +++ b/lib/libucsi/atsc/dcc_arriving_request_descriptor.h @@ -0,0 +1,107 @@ +/* + * 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_ATSC_DCC_ARRIVING_REQUEST_DESCRIPTOR +#define _UCSI_ATSC_DCC_ARRIVING_REQUEST_DESCRIPTOR 1 + +#ifdef __cplusplus +extern "C" +{ +#endif + +#include +#include +#include + +enum atsc_dcc_arriving_request_type { + DCC_ARRIVAL_TYPE_DEFER_10SEC = 0x01, + DCC_ARRIVAL_TYPE_DEFER = 0x02, +}; + +/** + * atsc_dcc_arriving_request_descriptor structure. + */ +struct atsc_dcc_arriving_request_descriptor { + struct descriptor d; + + uint8_t dcc_arriving_request_type; + uint8_t dcc_arriving_request_text_length; + /* struct atsc_text text[] */ +} __ucsi_packed; + +/** + * Process an atsc_dcc_arriving_request_descriptor. + * + * @param d Generic descriptor pointer. + * @return atsc_dcc_arriving_request_descriptor pointer, or NULL on error. + */ +static inline struct atsc_dcc_arriving_request_descriptor* + atsc_dcc_arriving_request_descriptor_codec(struct descriptor* d) +{ + struct atsc_dcc_arriving_request_descriptor *ret = + (struct atsc_dcc_arriving_request_descriptor *) d; + + if (d->len < 2) + return NULL; + + if (d->len != 2 + ret->dcc_arriving_request_text_length) + return NULL; + + if (atsc_text_validate((uint8_t*) d + sizeof(struct atsc_dcc_arriving_request_descriptor), + ret->dcc_arriving_request_text_length)) + return NULL; + + return (struct atsc_dcc_arriving_request_descriptor*) d; +} + +/** + * Accessor for the text field of an atsc_dcc_arriving_request_descriptor. + * + * @param d atsc_dcc_arriving_request_descriptor pointer. + * @return Pointer to the atsc_text data, or NULL on error. + */ +static inline struct atsc_text* + atsc_dcc_arriving_request_descriptor_text(struct atsc_dcc_arriving_request_descriptor *d) +{ + uint8_t *txt = ((uint8_t*) d) + sizeof(struct atsc_dcc_arriving_request_descriptor); + + return (struct atsc_text*) txt; +} + +/** + * Accessor for the length of the text field of an atsc_dcc_arriving_request_descriptor. + * + * @param d atsc_dcc_arriving_request_descriptor pointer. + * @return The length in bytes. + */ +static inline int + atsc_dcc_arriving_request_descriptor_text_length(struct + atsc_dcc_arriving_request_descriptor *d) +{ + return d->d.len - 2; +} + + +#ifdef __cplusplus +} +#endif + +#endif -- cgit v1.2.3