*/
+#include <boost/lexical_cast.hpp>
+#include <libxml++/libxml++.h>
+#include <libcxml/cxml.h>
#include "audio_mapping.h"
using std::list;
using std::cout;
using std::make_pair;
using std::pair;
+using std::string;
using boost::shared_ptr;
+using boost::lexical_cast;
+using boost::dynamic_pointer_cast;
-void
-AudioMapping::add (Channel c, libdcp::Channel d)
+AudioMapping::AudioMapping ()
+ : _content_channels (0)
{
- _content_to_dcp.push_back (make_pair (c, d));
+
}
-/* XXX: this is grotty */
-int
-AudioMapping::dcp_channels () const
+/** Create a default AudioMapping for a given channel count.
+ * @param c Number of channels.
+ */
+AudioMapping::AudioMapping (int c)
+ : _content_channels (c)
{
- for (list<pair<Channel, libdcp::Channel> >::const_iterator i = _content_to_dcp.begin(); i != _content_to_dcp.end(); ++i) {
- if (((int) i->second) > 2) {
- return 6;
- }
- }
- return 2;
}
-list<AudioMapping::Channel>
-AudioMapping::dcp_to_content (libdcp::Channel d) const
+void
+AudioMapping::make_default ()
{
- list<AudioMapping::Channel> c;
- for (list<pair<Channel, libdcp::Channel> >::const_iterator i = _content_to_dcp.begin(); i != _content_to_dcp.end(); ++i) {
- if (i->second == d) {
- c.push_back (i->first);
+ if (_content_channels == 1) {
+ /* Mono -> Centre */
+ add (0, libdcp::CENTRE);
+ } else {
+ /* 1:1 mapping */
+ for (int i = 0; i < _content_channels; ++i) {
+ add (i, static_cast<libdcp::Channel> (i));
}
}
+}
- return c;
+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")));
+ }
}
-list<AudioMapping::Channel>
-AudioMapping::content_channels () const
+void
+AudioMapping::add (int c, libdcp::Channel d)
{
- list<AudioMapping::Channel> c;
- for (list<pair<Channel, 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 ()) {
+ _content_to_dcp.push_back (make_pair (c, d));
+}
+
+list<int>
+AudioMapping::dcp_to_content (libdcp::Channel d) const
+{
+ list<int> c;
+ for (list<pair<int, libdcp::Channel> >::const_iterator i = _content_to_dcp.begin(); i != _content_to_dcp.end(); ++i) {
+ if (i->second == d) {
c.push_back (i->first);
}
}
}
list<libdcp::Channel>
-AudioMapping::content_to_dcp (Channel c) const
+AudioMapping::content_to_dcp (int c) const
{
+ assert (c < _content_channels);
+
list<libdcp::Channel> d;
- for (list<pair<Channel, libdcp::Channel> >::const_iterator i = _content_to_dcp.begin(); i != _content_to_dcp.end(); ++i) {
+ for (list<pair<int, libdcp::Channel> >::const_iterator i = _content_to_dcp.begin(); i != _content_to_dcp.end(); ++i) {
if (i->first == c) {
d.push_back (i->second);
}
return d;
}
-bool
-operator== (AudioMapping::Channel const & a, AudioMapping::Channel const & b)
+void
+AudioMapping::as_xml (xmlpp::Node* node) const
{
- shared_ptr<const AudioContent> sa = a.content.lock ();
- shared_ptr<const AudioContent> sb = b.content.lock ();
- return sa == sb && a.index == b.index;
-}
-
-
+ 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));
+ t->add_child ("DCP")->add_child_text (lexical_cast<string> (i->second));
+ }
+}