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-rw-r--r--libavcodec/ac3.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/libavcodec/ac3.h b/libavcodec/ac3.h
index 7cfa51a0c6..1840766813 100644
--- a/libavcodec/ac3.h
+++ b/libavcodec/ac3.h
@@ -36,6 +36,7 @@
#define AC3_BLOCK_SIZE 256
#define AC3_MAX_BLOCKS 6
#define AC3_FRAME_SIZE (AC3_MAX_BLOCKS * 256)
+#define AC3_WINDOW_SIZE (AC3_BLOCK_SIZE * 2)
/* exponent encoding strategy */
#define EXP_REUSE 0