From 79c002337d77e79d6b2b4cbb50edabaae15780b6 Mon Sep 17 00:00:00 2001
From: Helge Norberg <helge.norberg@svt.se>
Date: Mon, 23 Nov 2015 20:21:46 +0100
Subject: [PATCH] Log cadence in decklink_producer to be able to debug cadence
 mismatches

---
 modules/decklink/producer/decklink_producer.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/modules/decklink/producer/decklink_producer.cpp b/modules/decklink/producer/decklink_producer.cpp
index d62c27bd5..7ef70e66b 100644
--- a/modules/decklink/producer/decklink_producer.cpp
+++ b/modules/decklink/producer/decklink_producer.cpp
@@ -52,6 +52,7 @@
 
 #include <boost/algorithm/string.hpp>
 #include <boost/property_tree/ptree.hpp>
+#include <boost/range/adaptor/transformed.hpp>
 
 #if defined(_MSC_VER)
 #pragma warning (push)
@@ -84,6 +85,12 @@ core::audio_channel_layout get_adjusted_channel_layout(core::audio_channel_layou
 
 	return layout;
 }
+
+template <typename T>
+std::wstring to_string(const T& cadence)
+{
+	return boost::join(cadence | boost::adaptors::transformed([](size_t i) { return boost::lexical_cast<std::wstring>(i); }), L", ");
+}
 		
 class decklink_producer : boost::noncopyable, public IDeckLinkInputCallback
 {	
@@ -245,7 +252,7 @@ public:
 			sync_buffer_.push_back(audio->GetSampleFrameCount());		
 			if(!boost::range::equal(sync_buffer_, audio_cadence_))
 			{
-				CASPAR_LOG(trace) << print() << L" Syncing audio.";
+				CASPAR_LOG(trace) << print() << L" Syncing audio. Expected cadence: " << to_string(audio_cadence_) << L" Got cadence: " << to_string(sync_buffer_);
 				return S_OK;
 			}
 			boost::range::rotate(audio_cadence_, std::begin(audio_cadence_)+1);
-- 
2.39.2