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author | Mark Purcell <msp@debian.org> | 2008-06-22 11:00:40 +1000 |
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committer | etobi <git@e-tobi.net> | 2013-09-03 09:48:42 +0200 |
commit | 891c51ff368ed700dec6025eeb47ce4d96f76418 (patch) | |
tree | 3729664829e4faa691d403274f38eb10890b533c /lib/libucsi/mpeg/target_background_grid_descriptor.h | |
parent | 1c6e1f28f54ec2606c23936c1d8689f2be55a86c (diff) | |
parent | ab959d7b4194715870128e616b8e29d4a101e488 (diff) | |
download | linux-dvb-apps-debian/1.1.1+rev1207-1.tar.gz |
Imported Debian patch 1.1.1+rev1207-1debian/1.1.1+rev1207-1
Diffstat (limited to '')
-rw-r--r-- | lib/libucsi/mpeg/target_background_grid_descriptor.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/lib/libucsi/mpeg/target_background_grid_descriptor.h b/lib/libucsi/mpeg/target_background_grid_descriptor.h new file mode 100644 index 0000000..7394e82 --- /dev/null +++ b/lib/libucsi/mpeg/target_background_grid_descriptor.h @@ -0,0 +1,66 @@ +/* + * 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_TARGET_BACKGROUND_GRID_DESCRIPTOR +#define _UCSI_MPEG_TARGET_BACKGROUND_GRID_DESCRIPTOR 1 + +#ifdef __cplusplus +extern "C" +{ +#endif + +#include <libucsi/descriptor.h> +#include <libucsi/endianops.h> + +/** + * mpeg_target_background_grid_descriptor structure. + */ +struct mpeg_target_background_grid_descriptor { + struct descriptor d; + + EBIT3(uint32_t horizontal_size : 14; , + uint32_t vertical_size : 14; , + uint32_t aspect_ratio_information : 4; ); +} __ucsi_packed; + +/** + * Process an mpeg_target_background_grid_descriptor structure. + * + * @param d Pointer to the generic descriptor structure. + * @return Pointer to the mpeg_target_background_grid_descriptor structure, or + * NULL on error. + */ +static inline struct mpeg_target_background_grid_descriptor* + mpeg_target_background_grid_descriptor_codec(struct descriptor* d) +{ + if (d->len != (sizeof(struct mpeg_target_background_grid_descriptor) - 2)) + return NULL; + + bswap32((uint8_t*) d + 2); + + return (struct mpeg_target_background_grid_descriptor*) d; +} + +#ifdef __cplusplus +} +#endif + +#endif |