Extend documentation for AVOption.

[ffmpeg] / libavcodec / mpegaudiotab.h

diff --git a/libavcodec/mpegaudiotab.h b/libavcodec/mpegaudiotab.h
index 6833f3c70a9bae8aaa7a8806946428bcb0f314eb..61ea471b1cf318cc0c45b433387ec71349809c9c 100644 (file)
--- a/libavcodec/mpegaudiotab.h
+++ b/libavcodec/mpegaudiotab.h
@@ -27,6 +27,9 @@
  * Most of them come from the mpeg audio specification.
  */
 
+#ifndef FFMPEG_MPEGAUDIOTAB_H
+#define FFMPEG_MPEGAUDIOTAB_H
+
 #include <stdint.h>
 #include "mpegaudio.h"
 
@@ -112,3 +115,4 @@ static const float fixed_smr[SBLIMIT] =  {
 
 static const unsigned char nb_scale_factors[4] = { 3, 2, 1, 2 };
 
+#endif /* FFMPEG_MPEGAUDIOTAB_H */