-/* -*- c-basic-offset: 8; default-tab-width: 8; -*- */
-
/*
Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
using boost::dynamic_pointer_cast;
AudioMapping::AudioMapping ()
+ : _content_channels (0)
{
}
* @param c Number of channels.
*/
AudioMapping::AudioMapping (int c)
+ : _content_channels (c)
{
- if (c == 1) {
+
+}
+
+void
+AudioMapping::make_default ()
+{
+ if (_content_channels == 1) {
/* Mono -> Centre */
add (0, libdcp::CENTRE);
} else {
/* 1:1 mapping */
- for (int i = 0; i < c; ++i) {
+ for (int i = 0; i < _content_channels; ++i) {
add (i, static_cast<libdcp::Channel> (i));
}
}
AudioMapping::AudioMapping (shared_ptr<const cxml::Node> node)
{
+ _content_channels = node->number_child<int> ("ContentChannels");
+
list<shared_ptr<cxml::Node> > const c = node->node_children ("Map");
for (list<shared_ptr<cxml::Node> >::const_iterator i = c.begin(); i != c.end(); ++i) {
add ((*i)->number_child<int> ("ContentIndex"), static_cast<libdcp::Channel> ((*i)->number_child<int> ("DCP")));
return c;
}
-list<int>
-AudioMapping::content_channels () const
-{
- list<int> c;
- for (list<pair<int, libdcp::Channel> >::const_iterator i = _content_to_dcp.begin(); i != _content_to_dcp.end(); ++i) {
- if (find (c.begin(), c.end(), i->first) == c.end ()) {
- c.push_back (i->first);
- }
- }
-
- return c;
-}
-
list<libdcp::Channel>
AudioMapping::content_to_dcp (int c) const
{
+ assert (c < _content_channels);
+
list<libdcp::Channel> d;
for (list<pair<int, libdcp::Channel> >::const_iterator i = _content_to_dcp.begin(); i != _content_to_dcp.end(); ++i) {
if (i->first == c) {
void
AudioMapping::as_xml (xmlpp::Node* node) const
{
+ node->add_child ("ContentChannels")->add_child_text (lexical_cast<string> (_content_channels));
+
for (list<pair<int, libdcp::Channel> >::const_iterator i = _content_to_dcp.begin(); i != _content_to_dcp.end(); ++i) {
xmlpp::Node* t = node->add_child ("Map");
t->add_child ("ContentIndex")->add_child_text (lexical_cast<string> (i->first));