1 files changed, 23 insertions, 0 deletions
diff --git a/dom/media/platforms/ffmpeg/FFmpegUtils.cpp b/dom/media/platforms/ffmpeg/FFmpegUtils.cpp
new file mode 100644
index 0000000000..e209306133
--- /dev/null
+++ b/dom/media/platforms/ffmpeg/FFmpegUtils.cpp
@@ -0,0 +1,23 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "FFmpegUtils.h"
+
+#include "FFmpegLibWrapper.h"
+#include "mozilla/Assertions.h"
+#include "nsString.h"
+
+namespace mozilla {
+
+nsCString MakeErrorString(const FFmpegLibWrapper* aLib, int aErrNum) {
+  MOZ_ASSERT(aLib);
+
+  char errStr[FFmpegErrorMaxStringSize];
+  aLib->av_strerror(aErrNum, errStr, FFmpegErrorMaxStringSize);
+  return nsCString(errStr);
+}
+
+}  // namespace mozilla