KaxSemantic.cpp: make StereoMode mandatory

See https://github.com/ietf-wg-cellar/matroska-specification/commit/a096476f40ffa77ba26ce44fa259f04998bcd2fc

diff --git a/src/KaxSemantic.cpp b/src/KaxSemantic.cpp
index 3b3c5452bbdb39a2a431bfbe44999507927bfc90..e7c6c4ee1fa08edda043f6c0d2a23e9bc737a7c8 100644 (file)
--- a/src/KaxSemantic.cpp
+++ b/src/KaxSemantic.cpp
@@ -321,7 +321,7 @@ DEFINE_MKX_BINARY (KaxTrackTranslateTrackID, 0x66A5, 2, KaxTrackTranslate, "Trac
 DEFINE_START_SEMANTIC(KaxTrackVideo)
 DEFINE_SEMANTIC_ITEM(true, true, KaxVideoFlagInterlaced)
 DEFINE_SEMANTIC_ITEM(true, true, KaxVideoFieldOrder)
-DEFINE_SEMANTIC_ITEM(false, true, KaxVideoStereoMode)
+DEFINE_SEMANTIC_ITEM(true, true, KaxVideoStereoMode)
 DEFINE_SEMANTIC_ITEM(false, true, KaxVideoAlphaMode)
 DEFINE_SEMANTIC_ITEM(false, true, KaxOldStereoMode) // not supported
 DEFINE_SEMANTIC_ITEM(true, true, KaxVideoPixelWidth)