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-rw-r--r--libavutil/audioconvert.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/libavutil/audioconvert.h b/libavutil/audioconvert.h
index 7e79097855..73076cba79 100644
--- a/libavutil/audioconvert.h
+++ b/libavutil/audioconvert.h
@@ -62,6 +62,7 @@
#define AV_CH_WIDE_RIGHT 0x0000000100000000ULL
#define AV_CH_SURROUND_DIRECT_LEFT 0x0000000200000000ULL
#define AV_CH_SURROUND_DIRECT_RIGHT 0x0000000400000000ULL
+#define AV_CH_LOW_FREQUENCY_2 0x0000000800000000ULL
/** Channel mask value used for AVCodecContext.request_channel_layout
to indicate that the user requests the channel order of the decoder output