132 lines
3.7 KiB
C++
132 lines
3.7 KiB
C++
/*
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Copyright (C) 2008 Paul Davis
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Author: Sakari Bergen
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "ardour/broadcast_info.h"
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#include <iostream>
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#include <sstream>
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#include <iomanip>
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#include <vector>
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#include <glibmm.h>
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#include "ardour/revision.h"
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#include "ardour/session.h"
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#include "ardour/session_metadata.h"
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using namespace PBD;
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namespace ARDOUR
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{
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static void
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snprintf_bounded_null_filled (char* target, size_t target_size, char const * fmt, ...)
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{
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std::vector<char> buf(target_size+1);
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va_list ap;
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va_start (ap, fmt);
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vsnprintf (&buf[0], target_size+1, fmt, ap);
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va_end (ap);
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memset (target, 0, target_size);
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memcpy (target, &buf[0], target_size);
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}
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BroadcastInfo::BroadcastInfo ()
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{
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}
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void
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BroadcastInfo::set_from_session (Session const & session, int64_t time_ref)
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{
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set_description (session.name());
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set_time_reference (time_ref);
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set_origination_time ();
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set_originator ();
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set_originator_ref_from_session (session);
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}
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void
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BroadcastInfo::set_originator (std::string const & str)
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{
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_has_info = true;
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if (!str.empty()) {
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AudioGrapher::BroadcastInfo::set_originator (str);
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return;
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}
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snprintf_bounded_null_filled (info->originator, sizeof (info->originator), Glib::get_real_name().c_str());
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}
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void
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BroadcastInfo::set_originator_ref_from_session (Session const & /*session*/)
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{
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_has_info = true;
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/* random code is 9 digits */
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int random_code = g_random_int() % 999999999;
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/* Serial number is 12 chars */
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std::ostringstream serial_number;
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serial_number << PROGRAM_NAME << revision;
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std::string country = SessionMetadata::Metadata()->country().substr (0, 2).c_str(); // ISO 3166-1 2 digits
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if (country.empty ()) {
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/* "ZZ" is reserved and may be user-assigned.
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* EBU Tech 3279 chapter 4.2.4 recommends "ZZ" for unregistered organizations
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*/
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country = "ZZ";
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}
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/* https://tech.ebu.ch/docs/tech/tech3279.pdf */
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std::string organization = SessionMetadata::Metadata()->organization().substr (0, 3).c_str(); // EBU assigned Organisation code
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if (organization.empty ()) {
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organization = "---";
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}
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// TODO sanitize to allowed char set: tech3279.pdf chapter 1.6
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// allowed: A-Z 0-9 <space> .,-()/=
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// possible, but not recommended: !"%&*;<>
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/* https://tech.ebu.ch/docs/r/r099.pdf
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* CC Country code: (2 characters) based on the ISO 3166-1 standard
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* OOO Organisation code: (3 characters) based on the EBU facility codes, Tech 3279
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* NNNNNNNNNNNN Serial number: (12 characters extracted from the recorder model and serial number) This should identify the machine’s type and serial number.
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* HHMMSS OriginationTime (6 characters,) from the <OriginationTime> field of the BWF.
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* RRRRRRRRR Random Number (9 characters 0-9) Generated locally by the recorder using some reasonably random algorithm.
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*/
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snprintf_bounded_null_filled (info->originator_reference, sizeof (info->originator_reference), "%2s%3s%12s%02d%02d%02d%09d",
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country.c_str (), organization.c_str(),
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serial_number.str().substr (0, 12).c_str(),
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_time.tm_hour,
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_time.tm_min,
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_time.tm_sec,
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random_code);
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}
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} // namespace ARDOUR
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