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-rw-r--r--libavformat/matroska.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/libavformat/matroska.h b/libavformat/matroska.h
index 98b2165fda..a683bc70b3 100644
--- a/libavformat/matroska.h
+++ b/libavformat/matroska.h
@@ -64,6 +64,7 @@
#define MATROSKA_ID_WRITINGAPP 0x5741
#define MATROSKA_ID_MUXINGAPP 0x4D80
#define MATROSKA_ID_DATEUTC 0x4461
+#define MATROSKA_ID_SEGMENTUID 0x73A4
/* ID in the tracks master */
#define MATROSKA_ID_TRACKENTRY 0xAE