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 --- .../mpeg/multiplex_buffer_utilization_descriptor.h | 67 ++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 lib/libucsi/mpeg/multiplex_buffer_utilization_descriptor.h (limited to 'lib/libucsi/mpeg/multiplex_buffer_utilization_descriptor.h') diff --git a/lib/libucsi/mpeg/multiplex_buffer_utilization_descriptor.h b/lib/libucsi/mpeg/multiplex_buffer_utilization_descriptor.h new file mode 100644 index 0000000..16550ed --- /dev/null +++ b/lib/libucsi/mpeg/multiplex_buffer_utilization_descriptor.h @@ -0,0 +1,67 @@ +/* + * 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_MPEG_MULTIPLEX_BUFFER_UTILIZATION_DESCRIPTOR +#define _UCSI_MPEG_MULTIPLEX_BUFFER_UTILIZATION_DESCRIPTOR 1 + +#ifdef __cplusplus +extern "C" +{ +#endif + +#include +#include + +/** + * mpeg_multiplex_buffer_utilization_descriptor structure. + */ +struct mpeg_multiplex_buffer_utilization_descriptor { + struct descriptor d; + + EBIT2(uint16_t bound_valid_flag : 1; , + uint16_t ltw_offset_lower_bound : 15; ); + EBIT2(uint16_t reserved : 1; , + uint16_t ltw_offset_upper_bound : 15; ); +} __ucsi_packed; + +/** + * Process a mpeg_multiplex_buffer_utilization_descriptor. + * + * @param d Generic descriptor pointer. + * @return mpeg_multiplex_buffer_utilization_descriptor pointer, or NULL on error. + */ +static inline struct mpeg_multiplex_buffer_utilization_descriptor* + mpeg_multiplex_buffer_utilization_descriptor_codec(struct descriptor* d) +{ + if (d->len != (sizeof(struct mpeg_multiplex_buffer_utilization_descriptor) - 2)) + return NULL; + + bswap16((uint8_t*) d + 2); + bswap16((uint8_t*) d + 4); + + return (struct mpeg_multiplex_buffer_utilization_descriptor*) d; +} + +#ifdef __cplusplus +} +#endif + +#endif -- cgit v1.2.3