/*
 * 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_METADATA_SECTION_H
#define _UCSI_MPEG_METADATA_SECTION_H 1

#ifdef __cplusplus
extern "C"
{
#endif

#include <libucsi/section.h>

/**
 * mpeg_metadata_section structure.
 */
struct mpeg_metadata_section {
	struct section_ext head;

	/* uint8_t data[] */
} __ucsi_packed;

/**
 * Process an mpeg_metadata_section structure.
 *
 * @param section Pointer to the section_ext structure.
 * @return Pointer to the mpeg_metadata_section structure, or NULL on error.
 */
extern struct mpeg_metadata_section *mpeg_metadata_section_codec(struct section_ext *section);

/**
 * Accessor for the random_access_indicator field of a metadata section.
 *
 * @param metadata metadata section pointer.
 * @return The random_access_indicator.
 */
static inline uint8_t mpeg_metadata_section_random_access_indicator(struct mpeg_metadata_section *metadata)
{
	return metadata->head.reserved >> 1;
}

/**
 * Accessor for the decoder_config_flag field of a metadata section.
 *
 * @param metadata metadata section pointer.
 * @return The decoder_config_flag.
 */
static inline uint8_t mpeg_metadata_section_decoder_config_flag(struct mpeg_metadata_section *metadata)
{
	return metadata->head.reserved & 1;
}

/**
 * Accessor for the fragment_indicator field of a metadata section.
 *
 * @param metadata metadata section pointer.
 * @return The fragment_indicator.
 */
static inline uint8_t mpeg_metadata_section_fragment_indicator(struct mpeg_metadata_section *metadata)
{
	return metadata->head.reserved1;
}

/**
 * Accessor for the service_id field of a metadata section.
 *
 * @param metadata metadata section pointer.
 * @return The service_id.
 */
static inline uint16_t mpeg_metadata_section_service_id(struct mpeg_metadata_section *metadata)
{
	return metadata->head.table_id_ext >> 8;
}

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


/**
 * Determine length of the data field of an mpeg_copyright_descriptor.
 *
 * @param s mpeg_metadata_section_data pointer.
 * @return Length of field in bytes.
 */
static inline int
	mpeg_metadata_section_data_length(struct mpeg_metadata_section *s)
{
	return section_ext_length(&s->head) - sizeof(struct mpeg_metadata_section);
}

#ifdef __cplusplus
}
#endif

#endif
ass='logheader'><td><span title='2001-03-24 09:04:19 +0000'>2001-03-24</span></td><td class='logsubject'><a href='/debian/lcd4linux.git/commit/TODO?id=61641ef799f9a7c568cb69bbe9860554a4c67eb8&amp;follow=1'>[lcd4linux @ 2001-03-24 09:04:19 by reinelt]</a></td><td>reinelt</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+5</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
new TODO item

</td></tr>
<tr class='logheader'><td><span title='2001-03-17 11:44:10 +0000'>2001-03-17</span></td><td class='logsubject'><a href='/debian/lcd4linux.git/commit/pixmap.c?id=c8995c12a6ef834f69acd93ae575ed2dc1a1eefc&amp;follow=1'>[lcd4linux @ 2001-03-17 11:44:10 by ltoetsch]</a></td><td>ltoetsch</td><td>1</td><td><span class='deletions'>-20</span>/<span class='insertions'>+42</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
allow more then 1 BAR_T

</td></tr>
<tr class='logheader'><td><span title='2001-03-17 11:11:31 +0000'>2001-03-17</span></td><td class='logsubject'><a href='/debian/lcd4linux.git/commit/processor.c?id=216e435ff2437f6795e07dfab9467114eac97452&amp;follow=1'>[lcd4linux @ 2001-03-17 11:11:31 by ltoetsch]</a></td><td>ltoetsch</td><td>1</td><td><span class='deletions'>-2</span>/<span class='insertions'>+5</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
bugfix: max for BAR_T

</td></tr>
<tr class='logheader'><td><span title='2001-03-16 16:40:17 +0000'>2001-03-16</span></td><td class='logsubject'><a href='/debian/lcd4linux.git/commit/processor.c?id=d028f79336840a076542ccd17bdbca2e2f25357e&amp;follow=1'>[lcd4linux @ 2001-03-16 16:40:17 by ltoetsch]</a></td><td>ltoetsch</td><td>12</td><td><span class='deletions'>-24</span>/<span class='insertions'>+112</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
implemented time bar

</td></tr>
<tr class='logheader'><td><span title='2001-03-16 09:28:08 +0000'>2001-03-16</span></td><td class='logsubject'><a href='/debian/lcd4linux.git/commit/processor.c?id=b0650f9131a98a02ca65ab15a7f41e99b6822e90&amp;follow=1'>[lcd4linux @ 2001-03-16 09:28:08 by ltoetsch]</a></td><td>ltoetsch</td><td>5</td><td><span class='deletions'>-11</span>/<span class='insertions'>+35</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
bugfixes

</td></tr>
<tr class='logheader'><td><span title='2001-03-15 15:49:23 +0000'>2001-03-15</span></td><td class='logsubject'><a href='/debian/lcd4linux.git/commit/processor.c?id=79f5ff58b333f6890791f99318eb1297e0404df5&amp;follow=1'>[lcd4linux @ 2001-03-15 15:49:22 by ltoetsch]</a></td><td>ltoetsch</td><td>3</td><td><span class='deletions'>-14</span>/<span class='insertions'>+27</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
fixed compile HD44780.c, cosmetics

</td></tr>
<tr class='logheader'><td><span title='2001-03-15 14:25:05 +0000'>2001-03-15</span></td><td class='logsubject'><a href='/debian/lcd4linux.git/commit/socket.c?id=55d18afd6949185850a61441adbf245e18e7d1ed&amp;follow=1'>[lcd4linux @ 2001-03-15 14:25:05 by ltoetsch]</a></td><td>ltoetsch</td><td>11</td><td><span class='deletions'>-125</span>/<span class='insertions'>+278</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
added unread/total news

</td></tr>
<tr class='logheader'><td><span title='2001-03-15 11:10:53 +0000'>2001-03-15</span></td><td class='logsubject'><a href='/debian/lcd4linux.git/commit/mail2.c?id=17d48d42d690475b60be3b1e2cfdb30bfff54e83&amp;follow=1'>[lcd4linux @ 2001-03-15 11:10:53 by ltoetsch]</a></td><td>ltoetsch</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+8</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
added quit/logout to pop/imap

</td></tr>
<tr class='logheader'><td><span title='2001-03-15 09:47:13 +0000'>2001-03-15</span></td><td class='logsubject'><a href='/debian/lcd4linux.git/commit/processor.c?id=700387144db81be8ed39c0906ee22cb24ce794c4&amp;follow=1'>[lcd4linux @ 2001-03-15 09:47:13 by reinelt]</a></td><td>reinelt</td><td>3</td><td><span class='deletions'>-16</span>/<span class='insertions'>+31</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
some fixes to ppdef
off-by-one bug in processor.c fixed

</td></tr>
<tr class='logheader'><td><span title='2001-03-15 09:13:22 +0000'>2001-03-15</span></td><td class='logsubject'><a href='/debian/lcd4linux.git/commit/exec.c?id=ef5da7d235f0c32d3c72d0555efd597b210c0187&amp;follow=1'>[lcd4linux @ 2001-03-15 09:13:22 by ltoetsch]</a></td><td>ltoetsch</td><td>1</td><td><span class='deletions'>-2</span>/<span class='insertions'>+9</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
delay first exec for faster start

</td></tr>
<tr class='logheader'><td><span title='2001-03-14 16:47:41 +0000'>2001-03-14</span></td><td class='logsubject'><a href='/debian/lcd4linux.git/commit/TODO?id=09249a7f0c6ecdecd6e776f4b5bafa840eded559&amp;follow=1'>[lcd4linux @ 2001-03-14 16:47:41 by reinelt]</a></td><td>reinelt</td><td>3</td><td><span class='deletions'>-41</span>/<span class='insertions'>+59</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
minor cleanups

</td></tr>
<tr class='logheader'><td><span title='2001-03-14 15:30:53 +0000'>2001-03-14</span></td><td class='logsubject'><a href='/debian/lcd4linux.git/commit/HD44780.c?id=9aedfa206bcc9c1040e160f48e9292c28674ce30&amp;follow=1'>[lcd4linux @ 2001-03-14 15:30:53 by reinelt]</a></td><td>reinelt</td><td>1</td><td><span class='deletions'>-21</span>/<span class='insertions'>+34</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
make ppdev compatible to earlier kernels

</td></tr>
<tr class='logheader'><td><span title='2001-03-14 15:14:59 +0000'>2001-03-14</span></td><td class='logsubject'><a href='/debian/lcd4linux.git/commit/lcd4linux.conf.sample?id=2f04d31005ef11a13df9f7a8fc3a33accfc62593&amp;follow=1'>[lcd4linux @ 2001-03-14 15:14:59 by reinelt]</a></td><td>reinelt</td><td>8</td><td><span class='deletions'>-152</span>/<span class='insertions'>+365</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
added ppdev parallel port access

</td></tr>
<tr class='logheader'><td><span title='2001-03-14 13:19:29 +0000'>2001-03-14</span></td><td class='logsubject'><a href='/debian/lcd4linux.git/commit/socket.h?id=c79da23905ffae3dafcdfe1bab8d7afb053f47b8&amp;follow=1'>[lcd4linux @ 2001-03-14 13:19:29 by ltoetsch]</a></td><td>ltoetsch</td><td>16</td><td><span class='deletions'>-128</span>/<span class='insertions'>+773</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
Added pop3/imap4 mail support

</td></tr>
<tr class='logheader'><td><span title='2001-03-13 08:34:15 +0000'>2001-03-13</span></td><td class='logsubject'><a href='/debian/lcd4linux.git/commit/system.c?id=6465b5a730a285a6e57b87de3004b5cfa1668e01&amp;follow=1'>[lcd4linux @ 2001-03-13 08:34:15 by reinelt]</a></td><td>reinelt</td><td>6</td><td><span class='deletions'>-29</span>/<span class='insertions'>+50</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
corrected a off-by-one bug with sensors

</td></tr>
<tr class='logheader'><td><span title='2001-03-13 08:03:41 +0000'>2001-03-13</span></td><td class='logsubject'><a href='/debian/lcd4linux.git/commit/acconfig.h?id=bed646f0cbe8c358af9f4c2088d1524f8bc78121&amp;follow=1'>[lcd4linux @ 2001-03-13 08:03:41 by reinelt]</a></td><td>reinelt</td><td>3</td><td><span class='deletions'>-1</span>/<span class='insertions'>+35</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
added missing autoheader files

</td></tr>
<tr class='logheader'><td><span title='2001-03-13 07:53:00 +0000'>2001-03-13</span></td><td class='logsubject'><a href='/debian/lcd4linux.git/commit/Makefile.in?id=c967c5387b759866ebb880729836c398dd340385&amp;follow=1'>[lcd4linux @ 2001-03-13 07:53:00 by reinelt]</a></td><td>reinelt</td><td>2</td><td><span class='deletions'>-13</span>/<span class='insertions'>+15</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
added several files for the distribution

</td></tr>
<tr class='logheader'><td><span title='2001-03-13 07:41:22 +0000'>2001-03-13</span></td><td class='logsubject'><a href='/debian/lcd4linux.git/commit/lcd4linux.c?id=780f9d8929ac9ec3e4363be5f365757c9cb0097c&amp;follow=1'>[lcd4linux @ 2001-03-13 07:41:22 by reinelt]</a></td><td>reinelt</td><td>3</td><td><span class='deletions'>-2</span>/<span class='insertions'>+52</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
added NEWS file

</td></tr>
<tr class='logheader'><td><span title='2001-03-12 13:44:58 +0000'>2001-03-12</span></td><td class='logsubject'><a href='/debian/lcd4linux.git/commit/udelay.h?id=fa9a4511b4aef7536ec10128d2b54aff0d117958&amp;follow=1'>[lcd4linux @ 2001-03-12 13:44:58 by reinelt]</a></td><td>reinelt</td><td>8</td><td><span class='deletions'>-58</span>/<span class='insertions'>+232</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
new udelay() using Time Stamp Counters

</td></tr>
<tr class='logheader'><td><span title='2001-03-12 12:49:24 +0000'>2001-03-12</span></td><td class='logsubject'><a href='/debian/lcd4linux.git/commit/configure.in?id=7c590af02f8eb79170bec839281e17eea94085ea&amp;follow=1'>[lcd4linux @ 2001-03-12 12:49:24 by reinelt]</a></td><td>reinelt</td><td>2</td><td><span class='deletions'>-63</span>/<span class='insertions'>+71</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
even better configure handling...

</td></tr>
<tr class='logheader'><td><span title='2001-03-12 12:39:36 +0000'>2001-03-12</span></td><td class='logsubject'><a href='/debian/lcd4linux.git/commit/udelay.h?id=1631c724f42e4b4fd70b4ba3834db4a435dfc74f&amp;follow=1'>[lcd4linux @ 2001-03-12 12:39:36 by reinelt]</a></td><td>reinelt</td><td>14</td><td><span class='deletions'>-448</span>/<span class='insertions'>+830</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
reworked autoconf a lot: drivers may be excluded, #define's went to config.h

</td></tr>
<tr class='logheader'><td><span title='2001-03-09 16:24:30 +0000'>2001-03-09</span></td><td class='logsubject'><a href='/debian/lcd4linux.git/commit/configure.in?id=b95429e73bd0b71a384f9319670622af4b54f8ae&amp;follow=1'>[lcd4linux @ 2001-03-09 16:24:30 by ltoetsch]</a></td><td>ltoetsch</td><td>2</td><td><span class='deletions'>-155</span>/<span class='insertions'>+345</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
disable driver in configure

</td></tr>
<tr class='logheader'><td><span title='2001-03-09 15:04:53 +0000'>2001-03-09</span></td><td class='logsubject'><a href='/debian/lcd4linux.git/commit/configure?id=6caa19fa629e835df6cc33eceb8c04e2f8ce728a&amp;follow=1'>[lcd4linux @ 2001-03-09 15:04:53 by reinelt]</a></td><td>reinelt</td><td>3</td><td><span class='deletions'>-103</span>/<span class='insertions'>+109</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
rename 'raster' to 'Text in Text.c
added TOTO item

</td></tr>
<tr class='logheader'><td><span title='2001-03-09 14:30:01 +0000'>2001-03-09</span></td><td class='logsubject'><a href='/debian/lcd4linux.git/commit/TODO?id=002379a437d96babd684c9f2a860f193d4f89400&amp;follow=1'>[lcd4linux @ 2001-03-09 14:30:01 by reinelt]</a></td><td>reinelt</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+7</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
new ideas for TODO

</td></tr>
<tr class='logheader'><td><span title='2001-03-09 14:24:49 +0000'>2001-03-09</span></td><td class='logsubject'><a href='/debian/lcd4linux.git/commit/lcd4linux.conf.sample?id=c5ffe9ec185c3df906f517696226fb0801206093&amp;follow=1'>[lcd4linux @ 2001-03-09 14:24:49 by ltoetsch]</a></td><td>ltoetsch</td><td>3</td><td><span class='deletions'>-7</span>/<span class='insertions'>+18</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
exec: Scale_x -&gt;Min/Max_x

</td></tr>
<tr class='logheader'><td><span title='2001-03-09 13:08:11 +0000'>2001-03-09</span></td><td class='logsubject'><a href='/debian/lcd4linux.git/commit/lcd4linux.conf.sample?id=edfd929b78ada012e71b2dee78b9ab96c3fdea1e&amp;follow=1'>[lcd4linux @ 2001-03-09 13:08:11 by ltoetsch]</a></td><td>ltoetsch</td><td>12</td><td><span class='deletions'>-86</span>/<span class='insertions'>+384</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
Added Text driver

</td></tr>
<tr class='logheader'><td><span title='2001-03-09 12:14:24 +0000'>2001-03-09</span></td><td class='logsubject'><a href='/debian/lcd4linux.git/commit/system.c?id=4a893211fd9907615d67d462ec183f7ca5f1500b&amp;follow=1'>[lcd4linux @ 2001-03-09 12:14:24 by reinelt]</a></td><td>reinelt</td><td>4</td><td><span class='deletions'>-21</span>/<span class='insertions'>+34</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
minor cleanups

</td></tr>
<tr class='logheader'><td><span title='2001-03-08 15:25:38 +0000'>2001-03-08</span></td><td class='logsubject'><a href='/debian/lcd4linux.git/commit/processor.c?id=998fe30dc57559b00b4cef121ee45a0afd5c8d93&amp;follow=1'>[lcd4linux @ 2001-03-08 15:25:38 by ltoetsch]</a></td><td>ltoetsch</td><td>9</td><td><span class='deletions'>-93</span>/<span class='insertions'>+214</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
improved exec

</td></tr>
<tr class='logheader'><td><span title='2001-03-08 09:02:04 +0000'>2001-03-08</span></td><td class='logsubject'><a href='/debian/lcd4linux.git/commit/seti.h?id=30f18de3d08ec4fa032926a0121542cafa4bfb98&amp;follow=1'>[lcd4linux @ 2001-03-08 09:02:04 by reinelt]</a></td><td>reinelt</td><td>4</td><td><span class='deletions'>-133</span>/<span class='insertions'>+21</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
seti client cleanup

</td></tr>
<tr class='logheader'><td><span title='2001-03-08 08:39:55 +0000'>2001-03-08</span></td><td class='logsubject'><a href='/debian/lcd4linux.git/commit/processor.c?id=e2c7102873c487b66a43bdaf31495b8994bf7cd5&amp;follow=1'>[lcd4linux @ 2001-03-08 08:39:54 by reinelt]</a></td><td>reinelt</td><td>2</td><td><span class='deletions'>-4</span>/<span class='insertions'>+12</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
fixed two typos

</td></tr>
<tr class='logheader'><td><span title='2001-03-07 18:10:21 +0000'>2001-03-07</span></td><td class='logsubject'><a href='/debian/lcd4linux.git/commit/processor.c?id=5f7938823b052c21c49638bdfcca857f09db0714&amp;follow=1'>[lcd4linux @ 2001-03-07 18:10:21 by ltoetsch]</a></td><td>ltoetsch</td><td>10</td><td><span class='deletions'>-110</span>/<span class='insertions'>+319</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
added e(x)ec commands

</td></tr>
<tr class='logheader'><td><span title='2001-03-05 18:20:21 +0000'>2001-03-05</span></td><td class='logsubject'><a href='/debian/lcd4linux.git/commit/lcd4linux.conf.sample?id=8e746386152c2859bdff3816f4d82803ee017131&amp;follow=1'>[lcd4linux @ 2001-03-05 18:20:21 by reinelt]</a></td><td>reinelt</td><td>2</td><td><span class='deletions'>-13</span>/<span class='insertions'>+25</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
TOTO list update

</td></tr>
<tr class='logheader'><td><span title='2001-03-04 15:01:12 +0000'>2001-03-04</span></td><td class='logsubject'><a href='/debian/lcd4linux.git/commit/README.Raster?id=f499e8d806726e1667adc057085c121752f63d44&amp;follow=1'>[lcd4linux @ 2001-03-04 15:01:12 by ltoetsch]</a></td><td>ltoetsch</td><td>1</td><td><span class='deletions'>-3</span>/<span class='insertions'>+3</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
Added PNG

</td></tr>
<tr class='logheader'><td><span title='2001-03-02 20:18:12 +0000'>2001-03-02</span></td><td class='logsubject'><a href='/debian/lcd4linux.git/commit/system.c?id=ac2452f504e0ececa1fa0c47ec36a3e5e9417e1c&amp;follow=1'>[lcd4linux @ 2001-03-02 20:18:12 by reinelt]</a></td><td>reinelt</td><td>3</td><td><span class='deletions'>-36</span>/<span class='insertions'>+89</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
allow compile on systems without net/if_ppp.h

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