sync with upstream

1 files changed, 32 insertions, 0 deletions

diff --git a/xbmc/utils/StreamUtils.cpp b/xbmc/utils/StreamUtils.cpp
new file mode 100644
index 0000000..bd34fec
--- /dev/null
+++ b/xbmc/utils/StreamUtils.cpp
@@ -0,0 +1,32 @@
+/*
+ *  Copyright (C) 2005-2018 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#include "StreamUtils.h"
+
+int StreamUtils::GetCodecPriority(const std::string &codec)
+{
+  /*
+   * Technically flac, truehd, and dtshd_ma are equivalently good as they're all lossless. However,
+   * ffmpeg can't decode dtshd_ma losslessy yet.
+   */
+  if (codec == "flac") // Lossless FLAC
+    return 7;
+  if (codec == "truehd") // Dolby TrueHD
+    return 6;
+  if (codec == "dtshd_ma") // DTS-HD Master Audio (previously known as DTS++)
+    return 5;
+  if (codec == "dtshd_hra") // DTS-HD High Resolution Audio
+    return 4;
+  if (codec == "eac3") // Dolby Digital Plus
+    return 3;
+  if (codec == "dca") // DTS
+    return 2;
+  if (codec == "ac3") // Dolby Digital
+    return 1;
+  return 0;
+}