From c3da7c64f01420447dbab7f5c2ea42ff1b911cc5 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Sat, 23 Nov 2013 20:24:51 +0000
Subject: Basics of joining.

---
 src/lib/audio_content.cc | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

(limited to 'src/lib/audio_content.cc')

diff --git a/src/lib/audio_content.cc b/src/lib/audio_content.cc
index e0eaacb91..04823d1e6 100644
--- a/src/lib/audio_content.cc
+++ b/src/lib/audio_content.cc
@@ -22,8 +22,12 @@
 #include "analyse_audio_job.h"
 #include "job_manager.h"
 #include "film.h"
+#include "exceptions.h"
+
+#include "i18n.h"
 
 using std::string;
+using std::vector;
 using boost::shared_ptr;
 using boost::lexical_cast;
 using boost::dynamic_pointer_cast;
@@ -60,6 +64,28 @@ AudioContent::AudioContent (shared_ptr<const Film> f, shared_ptr<const cxml::Nod
 	_audio_delay = node->number_child<int> ("AudioDelay");
 }
 
+AudioContent::AudioContent (shared_ptr<const Film> f, vector<shared_ptr<Content> > c)
+	: Content (f, c)
+{
+	shared_ptr<AudioContent> ref = dynamic_pointer_cast<AudioContent> (c[0]);
+	assert (ref);
+	
+	for (size_t i = 0; i < c.size(); ++i) {
+		shared_ptr<AudioContent> ac = dynamic_pointer_cast<AudioContent> (c[i]);
+
+		if (ac->audio_gain() != ref->audio_gain()) {
+			throw JoinError (_("Content to be joined must have the same audio gain."));
+		}
+
+		if (ac->audio_delay() != ref->audio_delay()) {
+			throw JoinError (_("Content to be joined must have the same audio delay."));
+		}
+	}
+
+	_audio_gain = ref->audio_gain ();
+	_audio_delay = ref->audio_delay ();
+}
+
 void
 AudioContent::as_xml (xmlpp::Node* node) const
 {
-- 
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