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Broadcast info according to EBU tech-specs

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This commit is contained in:
Robin Gareus 2017-08-06 17:55:33 +02:00
parent eb2af9e28d
commit 2f1405db5a
1 changed files with 25 additions and 8 deletions
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33
libs/ardour/broadcast_info.cc
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@ -92,6 +92,24 @@ BroadcastInfo::set_originator_ref_from_session (Session const & /*session*/)
std::ostringstream serial_number;
serial_number << PROGRAM_NAME << revision;
std::string country = SessionMetadata::Metadata()->country().substr (0, 2).c_str(); // ISO 3166-1 2 digits
if (country.empty ()) {
/* "ZZ" is reserved and may be user-assigned.
* EBU Tech 3279 chapter 4.2.4 recommends "ZZ" for unregistered organizations
*/
country = "ZZ";
}
/* https://tech.ebu.ch/docs/tech/tech3279.pdf */
std::string organization = SessionMetadata::Metadata()->organization().substr (0, 3).c_str(); // EBU assigned Organisation code
if (organization.empty ()) {
organization = "---";
}
// TODO sanitize to allowed char set: tech3279.pdf chapter 1.6
// allowed: A-Z 0-9 <space> .,-()/=
// possible, but not recommended: !"%&*;<>
/* https://tech.ebu.ch/docs/r/r099.pdf
* CC Country code: (2 characters) based on the ISO 3166-1 standard
* OOO Organisation code: (3 characters) based on the EBU facility codes, Tech 3279
@ -99,14 +117,13 @@ BroadcastInfo::set_originator_ref_from_session (Session const & /*session*/)
* HHMMSS OriginationTime (6 characters,) from the <OriginationTime> field of the BWF.
* RRRRRRRRR Random Number (9 characters 0-9) Generated locally by the recorder using some reasonably random algorithm.
*/
snprintf_bounded_null_filled (info->originator_reference, sizeof (info->originator_reference), "%2s%3s%12s%02d%02d%02d%9d",
SessionMetadata::Metadata()->country().substr (0, 2).c_str(),
SessionMetadata::Metadata()->organization().substr (0, 3).c_str(),
serial_number.str().substr (0, 12).c_str(),
_time.tm_hour,
_time.tm_min,
_time.tm_sec,
random_code);
snprintf_bounded_null_filled (info->originator_reference, sizeof (info->originator_reference), "%2s%3s%12s%02d%02d%02d%09d",
country.c_str (), organization.c_str(),
serial_number.str().substr (0, 12).c_str(),
_time.tm_hour,
_time.tm_min,
_time.tm_sec,
random_code);
}