1 files changed, 10 insertions, 0 deletions
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index ddf785e68a..8e3eaecd16 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -927,6 +927,16 @@ enum AVPacketSideDataType {
      * @endcode
      */
     AV_PKT_DATA_SKIP_SAMPLES=70,
+
+    /**
+     * An AV_PKT_DATA_JP_DUALMONO side data packet indicates that
+     * the packet may contain "dual mono" audio specific to Japanese DTV
+     * and if it is true, recommends only the selected channel to be used.
+     * @code
+     * u8    selected channels (0=mail/left, 1=sub/right, 2=both)
+     * @endcode
+     */
+    AV_PKT_DATA_JP_DUALMONO,
 };
 
 typedef struct AVPacket {