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-rw-r--r--libavresample/audio_mix_matrix.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libavresample/audio_mix_matrix.c b/libavresample/audio_mix_matrix.c
index 3fbc4a4264..01a93367ef 100644
--- a/libavresample/audio_mix_matrix.c
+++ b/libavresample/audio_mix_matrix.c
@@ -54,6 +54,7 @@
#define WIDE_RIGHT 32
#define SURROUND_DIRECT_LEFT 33
#define SURROUND_DIRECT_RIGHT 34
+#define LOW_FREQUENCY_2 35
#define SQRT3_2 1.22474487139158904909 /* sqrt(3/2) */