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author | etobi <git@e-tobi.net> | 2013-09-03 09:48:41 +0200 |
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committer | etobi <git@e-tobi.net> | 2013-09-03 09:48:41 +0200 |
commit | ab959d7b4194715870128e616b8e29d4a101e488 (patch) | |
tree | 61a746231d30817be73416a7d67763fd677a1042 /lib/libucsi/atsc/ett_section.c | |
parent | 6b350466c4902c5b137e0efaf1d189128a7f18f5 (diff) | |
download | linux-dvb-apps-ab959d7b4194715870128e616b8e29d4a101e488.tar.gz |
Imported Upstream version 1.1.1+rev1207upstream/1.1.1+rev1207
Diffstat (limited to 'lib/libucsi/atsc/ett_section.c')
-rw-r--r-- | lib/libucsi/atsc/ett_section.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/lib/libucsi/atsc/ett_section.c b/lib/libucsi/atsc/ett_section.c new file mode 100644 index 0000000..ab2ff9c --- /dev/null +++ b/lib/libucsi/atsc/ett_section.c @@ -0,0 +1,42 @@ +/* + * 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 + */ + +#include <libucsi/atsc/ett_section.h> +#include <libucsi/atsc/types.h> + +struct atsc_ett_section *atsc_ett_section_codec(struct atsc_section_psip *psip) +{ + uint8_t * buf = (uint8_t *) psip; + size_t pos = sizeof(struct atsc_section_psip); + size_t len = section_ext_length(&(psip->ext_head)); + + if (len < sizeof(struct atsc_ett_section)) + return NULL; + + bswap32(buf + pos); + pos += 4; + + if (atsc_text_validate(buf + pos, + section_ext_length(&psip->ext_head) - sizeof(struct atsc_ett_section))) + return NULL; + + return (struct atsc_ett_section *) psip; +} |