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2021-04-30update Brazilian scan filesMauro Carvalho Chehab1-1/+1
Data updated according with https://portalbsd.com.br/. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2019-09-22isdb-t: update tablesMauro Carvalho Chehab1-0/+32
The ISDB-T for Brazilian cities has not updated for a while. Update them from the data found at http://www.portalbsd.com.br/. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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/*
 * 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_COPYRIGHT_DESCRIPTOR
#define _UCSI_MPEG_COPYRIGHT_DESCRIPTOR 1

#ifdef __cplusplus
extern "C"
{
#endif

#include <libucsi/descriptor.h>
#include <libucsi/endianops.h>

/**
 * mpeg_copyright_descriptor structure.
 */
struct mpeg_copyright_descriptor {
	struct descriptor d;

	uint32_t copyright_identifier;
	/* uint8_t data[] */
} __ucsi_packed;

/**
 * Process an mpeg_copyright_descriptor.
 *
 * @param d Generic descriptor.
 * @return mpeg_copyright_descriptor pointer, or NULL on error.
 */
static inline struct mpeg_copyright_descriptor*
	mpeg_copyright_descriptor_codec(struct descriptor* d)
{
	if (d->len < (sizeof(struct mpeg_copyright_descriptor) - 2))
		return NULL;

	bswap32((uint8_t*) d + 2);

	return (struct mpeg_copyright_descriptor*) d;
}

/**
 * Retrieve pointer to data field of an mpeg_copyright_descriptor.
 *
 * @param d mpeg_copyright_descriptor pointer.
 * @return Pointer to the field.
 */
static inline uint8_t *
	mpeg_copyright_descriptor_data(struct mpeg_copyright_descriptor *d)
{
	return (uint8_t *) d + sizeof(struct mpeg_copyright_descriptor);
}


/**
 * Determine length of the data field of an mpeg_copyright_descriptor.
 *
 * @param d mpeg_copyright_descriptor pointer.
 * @return Length of field in bytes.
 */
static inline int
	mpeg_copyright_descriptor_data_length(struct mpeg_copyright_descriptor *d)
{
	return d->d.len - 4;
}

#ifdef __cplusplus
}
#endif

#endif