X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fchan_count.cc;h=c6764456e0128a032143e432f2246552843f3ef6;hb=b2bf4eee3d9ca63a34415c75e877b8c97d6b5f13;hp=b6f51a4d9585cb2e69d0d4b37907495fe76d7156;hpb=449aab3c465bbbf66d221fac3d7ea559f1720357;p=ardour.git

diff --git a/libs/ardour/chan_count.cc b/libs/ardour/chan_count.cc
index b6f51a4d95..c6764456e0 100644
--- a/libs/ardour/chan_count.cc
+++ b/libs/ardour/chan_count.cc
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2006 Paul Davis 
+    Copyright (C) 2006 Paul Davis
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -20,13 +20,32 @@
 
 #define __STDC_LIMIT_MACROS 1
 #include <stdint.h>
-#include <ardour/chan_count.h>
+#include "ardour/chan_count.h"
+
+#include "i18n.h"
+
+static const char* state_node_name = "Channels";
+
+using namespace std;
 
 namespace ARDOUR {
 
 // infinite/zero chan count stuff, for setting minimums and maximums, etc.
 // FIXME: implement this in a less fugly way
 
+ChanCount::ChanCount(const XMLNode& node)
+{
+	reset();
+	XMLNodeConstIterator iter = node.children().begin();
+	for ( ; iter != node.children().end(); ++iter) {
+		if ((*iter)->name() == X_(state_node_name)) {
+			const string& type_str  = (*iter)->property("type")->value();
+			const string& count_str = (*iter)->property("count")->value();
+			set(DataType(type_str), atol(count_str.c_str()));
+		}
+	}
+}
+
 ChanCount
 infinity_factory()
 {
@@ -39,10 +58,28 @@ infinity_factory()
 	return ret;
 }
 
+XMLNode*
+ChanCount::state(const std::string& name) const
+{
+	XMLNode* node = new XMLNode (name);
+	for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
+		uint32_t count = get(*t);
+		if (count > 0) {
+			XMLNode* n = new XMLNode(X_(state_node_name));
+			n->add_property("type", (*t).to_string());
+			n->add_property("count", count);
+			node->add_child_nocopy(*n);
+		}
+	}
+	return node;
+}
 
 // Statics
 const ChanCount ChanCount::INFINITE = infinity_factory();
 const ChanCount ChanCount::ZERO     = ChanCount();
 
-
 } // namespace ARDOUR
+
+std::ostream& operator<<(std::ostream& o, const ARDOUR::ChanCount& c) {
+	return o << "AUDIO=" << c.n_audio() << ":MIDI=" << c.n_midi();
+}