Try to fix windows build failure (#1071).

1 files changed, 18 insertions, 0 deletions

diff --git a/src/lib/cross.cc b/src/lib/cross.cc
index 454fe044c..a484d1738 100644
--- a/src/lib/cross.cc
+++ b/src/lib/cross.cc
@@ -22,6 +22,9 @@
 #include "compose.hpp"
 #include "log.h"
 #include "exceptions.h"
+extern "C" {
+#include <libavformat/avio.h>
+}
 #include <boost/algorithm/string.hpp>
 #ifdef DCPOMATIC_LINUX
 #include <unistd.h>
@@ -406,3 +409,18 @@ thread_id ()
 	return (uint64_t) pthread_self ();
 #endif
 }
+
+int
+avio_open_boost (AVIOContext** s, boost::filesystem::path file, int flags)
+{
+#ifdef DCPOMATIC_WINDOWS
+	int const length = (file.length() + 1) * 2;
+	char* utf8 = new char[length];
+	WideCharToMultibyte (CP_UTF8, 0, file.c_str(), -1, utf8, length, 0, 0);
+	int const r = avio_open_boost (s, file.c_str(), flags);
+	delete[] utf8;
+	return r;
+#else
+	return avio_open_boost (s, file.c_str(), flags);
+#endif
+}